CCRL 40/15
Downloads and Statistics
January 18, 2020
Testing summary:
Total: 1'114'202 games
played by 2'605 programs

White wins: 385'748 (34.6%)
Black wins: 286'303 (25.7%)
Draws: 442'151 (39.7%)
White score: 54.5%

Open source 1-2-CPU engines

Comparing 1043 engines!
196 best versions of selected engines played 20522 games with each other

CCRL 40/15 Rating List — Open source 1-2-CPU engines (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on January 18, 2020 with Bayeselo based on 1'114'202 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
Elo+−
1Lc0 0.22.0 T40B.4-160 GTX10503464+24−2364.5%−91.561.7%520 
65.2%
2Stockfish 2019-12-10 64-bit3458+23−2377.2%−185.841.5%684
80.0%
 Lc0 0.21.2 w42716 GTX10503442+29−2964.7%−89.459.8%336
94.1%
 SugaR NN 310719 64-bit3414+18−1873.6%−153.149.8%1007
99.6%
 Stockfish 10 64-bit3387+9−974.1%−164.247.0%4808
49.9%
 SugaR NN 1.1 64-bit3387+18−1871.8%−139.352.3%966
69.1%
 SugaR 1.6.1 64-bit3381+15−1571.3%−137.252.4%1463
90.6%
 SugaR XPrO 1.4 64-bit3368+14−1471.0%−144.351.9%1668
53.8%
 Stockfish 9 64-bit3367+12−1271.4%−149.749.0%2565
66.3%
 ShashChess 8.0 64-bit3363+13−1367.7%−110.859.4%1889
59.4%
 ShashChess 9.1 64-bit3349+120−11367.5%−93.165.0%20
52.4%
 ShashChess 6.0 64-bit3345+18−1866.0%−98.061.7%926
53.7%
 ShashChess 4.0 64-bit3344+17−1765.6%−98.461.7%1024
56.3%
 asmFish 051117 64-bit3342+15−1571.7%−144.750.2%1407
51.9%
 SugaR NN 2020-01-01 64-bit3340+117−11165.0%−80.670.0%20
58.1%
 SugaR XPrO 1.3 64-bit3328+16−1570.4%−136.152.1%1372
58.9%
 SugaR XPrO 1.5.3 64-bit3325+16−1670.9%−135.750.6%1244
80.4%
 MateFinder 9 64-bit3314+21−2167.6%−121.546.7%760
48.3%
 ShashChess Pro 1.0 64-bit3314+19−1966.2%−102.255.5%850
49.6%
 SugaR XPrO 1.2 64-bit3314+16−1668.1%−117.656.0%1172
90.7%
 Stockfish 8 64-bit3301+11−1169.9%−130.453.8%2670
100.0%
3Ethereal 11.75 64-bit3265+16−1648.3%+12.561.9%1088
78.4%
4Xiphos 0.6 64-bit3256+16−1647.8%+14.866.2%1048
80.8%
 Ethereal 11.53 64-bit3247+14−1450.8%−3.260.2%1546
56.7%
 Stockfish 7 64-bit3245+13−1367.9%−112.854.2%1809
76.4%
 Ethereal 11.25 64-bit3238+14−1349.4%+2.961.8%1560
79.2%
 Xiphos 0.5 64-bit3230+13−1347.2%+17.262.6%1691
68.8%
 Stockfish 6 64-bit3225+15−1568.7%−118.152.0%1461
56.3%
 Ethereal 11.00 64-bit3224+14−1447.0%+18.157.7%1552
93.5%
5Laser 1.7 64-bit3210+11−1243.9%+37.956.7%2341
71.3%
6Defenchess 2.2 64-bit3205+13−1343.7%+40.360.7%1773
67.7%
7Booot 6.3.1 64-bit3202+9−1044.4%+35.157.6%3581
80.6%
 Booot 6.3 64-bit3194+16−1650.5%−1.555.9%1208
50.5%
 Stockfish 5 64-bit3193+16−1667.5%−107.351.6%1222
58.1%
 Ethereal 10.55 64-bit3191+18−1849.2%+4.756.8%951
75.8%
8Andscacs 0.95 64-bit3184+10−1047.4%+16.252.6%2993
50.2%
 RubiChess 1.6.1 64-bit3183+112−11932.5%+92.865.0%20
58.0%
 Andscacs 0.94 64-bit3172+13−1345.6%+28.752.0%1787
54.2%
 Andscacs 0.93 64-bit3171+13−1347.4%+15.352.7%1928
73.1%
 Stockfish DD 64-bit3164+16−1663.3%−80.253.0%1257
52.0%
9RubiChess 1.6 64-bit3163+21−2152.9%−19.056.3%630
85.6%
 Andscacs 0.921 64-bit3150+13−1451.5%−7.350.9%1710
52.0%
 Defenchess 2.1 64-bit3149+22−2248.2%+13.554.7%590
55.4%
 Xiphos 0.4 64-bit3147+12−1242.6%+49.750.1%2306
67.0%
 Booot 6.2 64-bit3144+11−1145.1%+33.654.4%2802
52.5%
 Arasan 22.0 64-bit3142+57−5654.1%−24.158.8%85
55.8%
 Roc 1.5 64-bit3136+62−6251.5%−10.669.2%65
57.4%
 Laser 1.6 64-bit3130+11−1141.7%+57.548.8%2632
59.3%
10Arasan 21.4 64-bit3127+16−1646.5%+23.853.3%1124
52.3%
11Roc 1.1 64-bit3126+30−3044.8%+32.757.5%318
56.9%
 Arasan 21.3 64-bit3124+14−1545.7%+28.551.3%1490
59.1%
 Stockfish 4 64-bit3121+17−1759.3%−56.555.0%967
51.5%
 Gull 3 64-bit3120+7−743.6%+42.952.9%6823
56.4%
 Roc 1.0 64-bit3119+21−2144.1%+40.449.1%715
54.6%
 Roc 1.3 64-bit3117+23−2348.0%+11.354.1%538
54.0%
 Roc 0.7 64-bit3115+11−1043.5%+44.651.9%2943
67.6%
 RubiChess 1.5 64-bit3110+20−2048.6%+5.458.6%741
54.3%
12Vajolet2 2.8 64-bit3109+24−2350.9%−7.649.3%533
69.4%
 Roc 0.8 64-bit3100+21−2145.5%+27.155.6%649
52.8%
 Lc0 0.21.3 wLD2 64-bit3099+34−3452.1%−21.147.4%268
56.3%
 Stockfish 3 64-bit3096+16−1656.5%−39.252.1%1186
51.0%
 Vajolet2 2.7 64-bit3096+15−1551.0%−8.848.3%1318
57.7%
 Xiphos 0.3 64-bit3093+19−1950.6%−3.451.6%801
53.2%
 Ethereal 10.00 64-bit3092+15−1550.7%−1.353.1%1286
50.6%
 Igel 2.3.1 64-bit3090+274−23275.0%−110.050.0%4
50.8%
13Nemorino 5.00 64-bit3088+14−1447.7%+18.450.4%1615
50.5%
 Lc0 0.23.2 wLD2 64-bit3087+119−12047.1%+8.170.6%17
53.2%
 Arasan 21.1 64-bit3082+19−1948.7%+8.053.2%774
49.7%
 Gull 2.8b 64-bit3082+20−2050.7%−4.757.5%689
61.6%
 Arasan 21.2 64-bit3078+16−1650.1%+4.947.4%1178
51.8%
 Booot 6.1 64-bit3078+18−1846.0%+27.852.1%990
50.0%
 Lc0 0.22.0 wLD2 64-bit3078+54−5457.7%−53.846.2%104
50.1%
 Stockfish 2.3.1 64-bit3077+17−1757.1%−43.154.5%1065
59.1%
14Texel 1.07 64-bit3075+12−1150.0%−1.547.8%2407
61.8%
 Laser 1.5 64-bit3072+15−1450.5%−0.349.3%1486
50.9%
 Stockfish 2.2.2 64-bit3072+20−1954.5%−32.150.0%792
60.6%
15ChessBrainVB 3.743068+20−2049.9%+0.148.7%783
58.3%
 Sting SF 4.7 64-bit3065+22−2246.2%+21.152.3%599
51.6%
 Sting SF 4.8.4 64-bit3064+27−2747.4%+14.947.9%430
53.7%
 Gull 2.3 64-bit3063+19−1949.1%+4.957.2%775
52.5%
 ChessBrainVB 3.723062+15−1551.2%−10.143.6%1423
50.4%
16chess22k 1.13 64-bit3062+20−2048.6%+6.750.0%720
51.5%
17IvanHoe 9.46h 64-bit3061+13−1353.3%−20.559.6%1819
54.9%
 Vajolet2 2.6 64-bit3060+15−1552.3%−14.653.9%1272
55.5%
18Protector 1.9.0 64-bit3059+10−944.9%+34.750.7%3686
53.0%
 Stockfish 2.2 64-bit3057+35−3455.2%−30.754.1%242
55.8%
 Lc0 0.20.1 w36089 64-bit3054+21−2157.5%−57.036.7%829
55.5%
 Stockfish 2.1.1 64-bit3053+15−1551.2%−7.552.9%1258
51.5%
 Demolito 2020-01-10 64-bit3050+128−13143.8%+42.150.0%16
49.9%
 Stockfish 2.2.2 32-bit3050+14−1461.4%−73.948.4%1619
53.1%
 chess22k 1.12 64-bit3049+16−1649.1%+4.050.5%1233
54.8%
 Sting SF 4.63047+30−3045.4%+29.047.0%334
56.4%
 ChessBrainVB 3.703044+23−2351.1%−10.148.1%551
56.2%
 Arasan 21.0 64-bit3042+17−1750.8%−6.843.5%1112
48.8%
 Texel 1.06 64-bit3042+15−1647.8%+12.750.8%1255
53.5%
 Ethereal 9.65 64-bit3041+17−1754.4%−28.748.8%1005
51.3%
 Gull 3.1 64-bit3041+16−1647.0%+26.836.8%1409
52.5%
 Nemorino 4.00 64-bit3040+17−1750.9%−5.547.9%1085
50.5%
 Sting SF 5 64-bit3040+18−1844.7%+33.353.5%938
49.0%
 Sting SF 8.5 64-bit3040+29−2949.1%+3.756.5%345
51.2%
 Stockfish 2.3.1 32-bit3040+17−1757.2%−45.050.5%1095
52.9%
 Protector 1.8.0 64-bit3039+17−1745.6%+27.650.9%1085
50.0%
 Sting SF 8.1 64-bit3039+28−2854.1%−25.548.3%391
52.8%
 Sting SF 3 64-bit3038+16−1647.8%+11.352.8%1195
52.0%
 Arasan 20.4.1 64-bit3037+17−1654.4%−29.243.3%1180
49.5%
 RubiChess 1.4 64-bit3037+17−1748.3%+9.650.1%994
54.9%
19Senpai 2.0 64-bit3036+12−1251.7%−11.750.4%2277
51.8%
 ChessBrainVB 3.663035+23−2351.5%−9.651.2%568
50.0%
 Sting SF 6.7 64-bit3035+28−2848.9%+8.449.3%367
52.1%
 Stockfish 1.9.1 64-bit3034+20−2060.0%−67.844.2%763
53.8%
 Sting SF 9.99 64-bit3033+25−2553.4%−23.551.8%454
52.1%
 Sting SF 15 64-bit3032+25−2552.0%−11.550.6%476
52.2%
 Booot 6.0.2 64-bit3031+22−2246.7%+17.355.6%577
52.7%
 Stockfish 2.0.1 64-bit3030+22−2257.7%−49.347.0%611
54.9%
 Sting SF 4.73028+22−2244.5%+32.850.5%632
50.6%
 Stockfish 2.1.1 32-bit3028+16−1663.8%−92.643.0%1362
50.8%
20Demolito 2019-07-15 64-bit3027+24−2450.8%−8.247.5%510
51.3%
 Stockfish 1.8 64-bit3027+21−2161.5%−79.544.2%749
53.6%
 ChessBrainVB 3.683026+21−2150.1%−1.654.3%654
48.1%
 Laser 1.4 64-bit3026+18−1853.3%−20.647.1%923
52.0%
 Sting SF 4 64-bit3026+18−1849.1%+3.050.6%915
51.8%
 Arasan 20.5 64-bit3025+20−2049.4%+2.851.1%709
48.8%
 Gull 2.1 64-bit3025+19−1945.4%+26.455.9%837
54.2%
 Xiphos 0.2 64-bit3024+18−1852.8%−15.546.8%999
51.9%
 IvanHoe 9.46h 32-bit3023+14−1455.8%−37.053.6%1668
53.1%
 Arasan 20.2 64-bit3022+25−2553.1%−21.148.5%468
50.7%
 Sting SF 2 64-bit3022+18−1850.1%−2.054.6%943
61.8%
 Sting SF 6.1 64-bit3017+30−3047.6%+14.953.0%332
58.8%
21Pirarucu 3.0.7 64-bit3013+19−1949.9%−5.352.3%828
49.6%
 Sting SF 10.1 64-bit3013+28−2848.3%+7.743.4%410
52.5%
 Gull 2.2 64-bit3012+19−1944.9%+28.750.5%846
49.7%
 Sting SF 9.9 64-bit3012+17−1743.9%+39.344.0%1149
48.6%
 Stockfish 2.0.1 32-bit3012+17−1765.3%−99.746.2%1122
56.1%
 Protector 1.7.0 64-bit3010+18−1845.0%+29.052.2%952
53.2%
 Arasan 20.3 64-bit3009+20−2049.7%+1.349.2%774
51.0%
 Stockfish 1.7.1 64-bit3009+22−2261.3%−75.243.6%669
48.5%
 Texel 1.05 64-bit3009+15−1550.5%−3.345.2%1333
62.1%
 Ethereal 9.30 64-bit3005+25−2650.5%−3.949.3%460
49.6%
 Sting SF 7.3 64-bit3005+31−3151.3%−4.453.3%304
54.1%
 Sting SF 2 32-bit3003+17−1751.3%−9.751.2%1062
50.7%
 Rodent IV 022 64-bit3002+102−10054.7%−32.028.1%32
50.4%
 Vajolet2 2.5 64-bit3002+17−1851.0%−6.750.7%963
52.4%
 Stockfish 1.9.1 32-bit3001+16−1665.7%−101.847.0%1208
52.8%
22Hakkapeliitta TCEC v2 64-bit3000+13−1350.0%−7.841.9%1978
56.5%
 Sting SF 9 64-bit2998+16−1645.1%+38.645.9%1201
53.7%
 Defenchess 1.1f 64-bit2997+12−1252.1%−13.846.1%2105
51.2%
23Winter 0.7 64-bit2997+22−2250.3%−1.740.7%651
51.8%
 Nemorino 3.0 64-bit2996+19−1951.4%−9.649.4%814
52.2%
 Protector 1.6.0 64-bit2996+17−1745.3%+28.949.3%1010
56.4%
 Gull II b2 64-bit2993+21−2145.4%+26.748.1%675
56.3%
24Rodent III 0.281 64-bit2991+20−2049.6%+3.155.2%708
53.9%
 chess22k 1.11 64-bit2989+20−2048.4%+11.848.3%768
54.1%
 ChessBrainVB 3.612988+27−2749.3%+3.647.7%421
48.9%
 Stockfish 1.8 32-bit2988+17−1766.6%−104.947.5%1064
53.2%
 Gull R375 64-bit2987+19−1945.8%+23.749.8%828
53.7%
 Demolito 2019-04-27 64-bit2986+19−1949.9%+1.342.4%878
49.7%
 Gull II 64-bit2986+30−3046.1%+18.248.0%344
49.1%
25Igel 2.3.0 64-bit2986+29−2948.3%+10.545.2%374
50.7%
 Rodent III 0.275 64-bit2986+15−1550.3%−1.547.6%1450
49.2%
 Xiphos 0.1 64-bit2986+20−2049.1%+5.848.4%787
55.1%
 Protector 1.5.0 64-bit2985+13−1344.7%+31.249.3%1853
59.2%
 Gull II b2 32-bit2982+17−1846.8%+19.052.6%960
49.0%
 Rodent III 0.238 64-bit2982+14−1550.2%−1.148.0%1445
55.5%
 RubiChess 1.3 64-bit2981+21−2152.7%−21.339.0%765
52.5%
 ChessBrainVB 3.502980+24−2452.4%−16.346.7%553
49.6%
 Pirarucu 3.2.4 64-bit2980+68−6850.8%−8.342.2%64
52.2%
 Demolito 2018-10-29 64-bit2978+15−1552.2%−19.139.8%1418
48.7%
 Gull II 32-bit2978+18−1846.0%+22.557.1%854
54.1%
 Stockfish 1.7.1 32-bit2977+17−1666.1%−106.345.7%1228
65.0%
 Texel 1.04 64-bit2972+21−2147.9%+12.946.6%701
56.5%
 Vajolet2 2.4 64-bit2969+21−2150.2%−0.348.8%705
52.8%
 Ethereal 9.00 64-bit2968+18−1848.6%+9.144.4%1006
55.9%
 Pirarucu 2.9.5 64-bit2966+19−1947.9%+7.746.2%874
50.5%
 Topple 0.7.4 64-bit2966+127−12359.4%−47.368.8%16
50.4%
 Stockfish 1.6.3 64-bit2965+20−2058.6%−54.845.9%801
53.3%
 Arasan 20.1 64-bit2964+23−2352.4%−15.548.6%566
56.9%
 Senpai 1.0 64-bit2961+13−1347.7%+14.947.3%2072
51.9%
 Vajolet2 2.2 64-bit2961+19−1950.2%−2.247.8%850
51.0%
 Lc0 0.21.1 w11258 64-bit2960+51−5155.6%−36.238.7%124
56.0%
26Amoeba 3.0 64-bit2956+17−1751.0%−7.546.9%1132
49.1%
 Vajolet2 2.3 64-bit2956+20−2050.4%−1.049.9%758
50.7%
 chess22k 1.10 64-bit2956+18−1845.8%+26.142.5%1077
56.2%
 Hakkapeliitta 3.0 64-bit2954+12−1249.1%+5.740.7%2501
56.9%
 Arasan 19.2 64-bit2952+28−2852.9%−19.147.1%382
48.4%
 Lc0 0.20.1 w11258 64-bit2952+34−3450.2%−4.040.5%274
51.4%
 Stockfish 1.6s 64-bit2952+29−2952.0%−14.851.4%346
50.4%
 chess22k 1.9 64-bit2952+22−2246.3%+23.248.1%642
53.6%
 Pirarucu 2.7.4 64-bit2950+18−1748.9%+7.944.7%1036
56.1%
 Protector 1.5.0 32-bit2948+25−2545.2%+27.351.7%470
53.6%
 Arasan 20.0 64-bit2946+26−2651.9%−12.345.5%466
50.4%
 Nemorino 2.00 64-bit2946+23−2351.0%−7.250.2%578
69.9%
 Igel 2.0.0 64-bit2937+26−2653.2%−25.342.0%450
48.7%
 Rodent III 0.210 64-bit2937+19−1949.5%+2.749.2%830
55.9%
27Marvin 3.4.0 64-bit2935+20−2051.1%−7.243.0%830
54.4%
 Stockfish 1.6.3 32-bit2934+17−1761.2%−71.348.1%1118
61.1%
28Crafty 25.2 64-bit2931+11−1148.8%+5.544.3%2688
50.7%
 chess22k 1.8 64-bit2931+21−2147.7%+15.244.0%739
56.2%
29Bagatur 1.9 64-bit2928+26−2652.0%−15.142.6%453
53.0%
 Amoeba 2.8 64-bit2927+13−1346.1%+24.444.0%1813
49.8%
 Winter 0.6 64-bit2927+18−1850.1%−2.038.7%1011
53.4%
 Pirarucu 2.6.1 64-bit2926+20−2047.9%+11.045.2%810
53.8%
 Laser 1.3 64-bit2924+24−2447.7%+14.049.6%502
50.2%
 Texel 1.03 64-bit2924+25−2452.0%−13.243.3%520
51.2%
30Bobcat 8.0 64-bit2923+13−1348.1%+11.846.6%1956
55.6%
 Arasan 19.1 64-bit2922+22−2252.5%−17.347.8%627
50.9%
31Cheng 4.39 64-bit2921+11−1148.0%+11.543.7%2696
64.1%
 Gull 1.2 64-bit2918+15−1545.6%+30.337.9%1566
53.5%
 Vajolet2 2.0 64-bit2917+20−2048.9%+6.449.7%784
52.5%
 Rodent II 0.9.64 64-bit2916+22−2250.5%−3.445.1%659
50.4%
 Scorpio 3.0 MCTS 64-bit2916+66−6742.9%+44.240.0%70
50.7%
 ChessBrainVB 3.312915+25−2552.6%−14.245.1%503
57.7%
 Amoeba 2.6 64-bit2912+20−2048.4%+9.548.2%739
52.9%
32Topple 0.7.3 64-bit2911+24−2449.9%−1.538.9%565
50.9%
 Demolito 2018-03-01 64-bit2910+17−1746.6%+20.342.8%1148
51.2%
 Rodent III 0.172 64-bit2910+22−2249.7%+2.644.8%620
56.0%
 RubiChess 1.2.1 64-bit2908+19−1951.7%−12.042.2%909
51.4%
 Arasan 19.0.1 64-bit2907+26−2651.1%−7.345.7%438
50.9%
 Lc0 0.20.2 w32930 64-bit2907+34−3452.4%−18.543.3%270
50.7%
 Gull 1.1 64-bit2906+19−1945.5%+30.941.4%897
52.5%
 Crafty 25.3 64-bit2905+28−2849.0%+8.640.0%390
50.7%
 Gull 0.12a 64-bit2905+30−3045.6%+29.633.0%364
50.9%
 Amoeba 2.7 64-bit2904+14−1445.4%+32.642.0%1779
50.6%
 Nemorino 1.02 64-bit2904+23−2352.8%−19.340.3%616
49.9%
33Toga II 4.0 64-bit2904+13−1346.3%+25.239.8%1974
64.8%
34DiscoCheck 5.2 64-bit2900+18−1848.6%+8.443.2%1012
49.1%
 Protector 1.4.0 64-bit2900+14−1446.0%+30.336.5%1751
53.4%
 chess22k 1.7 64-bit2899+22−2247.4%+15.445.2%662
58.0%
 Vajolet2 2.1 64-bit2896+23−2448.5%+10.146.2%550
55.8%
 Booot 5.2.0 64-bit2894+15−1548.5%+10.642.7%1432
47.3%
 DiscoCheck 5.2.1 64-bit2894+15−1549.2%+5.342.7%1480
52.4%
 Winter 0.5 64-bit2894+17−1751.8%−12.540.8%1177
51.0%
35EXchess 7.97b 64-bit2893+13−1348.3%+11.144.5%2067
61.2%
 Cheng4 0.38 64-bit2890+23−2350.9%−5.739.5%583
48.7%
 Demolito 2017-08-26 64-bit2890+20−2048.2%+8.943.8%790
51.1%
36Tucano 8.00 64-bit2890+25−2548.7%+10.944.0%498
50.3%
 Amoeba 3.1 64-bit2889+225−24137.5%+46.075.0%4
50.0%
 Topple 0.7.1 64-bit2889+25−2552.2%−18.148.7%470
53.9%
 Arasan 18.2 64-bit2887+29−2951.3%−8.445.6%351
49.0%
 Stockfish 1.5.1 64-bit2887+28−2754.5%−27.839.0%426
55.4%
 Ethereal 8.62 64-bit2885+24−2447.5%+15.044.9%563
48.5%
 Gull 1.0a 32-bit2885+12−1245.7%+30.343.8%2262
50.2%
37Scorpio 2.8 64-bit2885+14−1449.3%+3.540.5%1606
56.1%
38Counter 3.4 64-bit2883+25−2548.6%+10.048.5%468
49.2%
 Topple 0.7.2 64-bit2883+28−2860.5%−69.340.2%418
62.0%
 Protector 1.4.0 32-bit2879+11−1145.5%+30.141.0%2776
51.4%
 Igel 1.9.0 64-bit2878+27−2850.7%−7.042.7%415
51.7%
 Bobcat 7.6 64-bit2877+22−2245.4%+29.250.0%592
51.7%
 Gull 1.1 32-bit2877+17−1747.4%+16.148.9%1051
51.4%
 Gull 1.2 32-bit2876+12−1245.6%+30.442.6%2306
50.6%
 Vajolet2 1.44 64-bit2876+31−3152.5%−17.046.1%323
53.7%
 Arasan 18.3 64-bit2874+27−2749.7%+2.050.5%392
50.9%
 ChessBrainVB 3.202874+25−2550.3%−2.947.4%489
52.6%
 Amoeba 2.5 64-bit2873+23−2349.6%−1.044.5%566
55.6%
 EXchess 7.88b 64-bit2870+25−2550.0%−0.145.3%472
50.1%
 Gull 0.12a 32-bit2870+21−2149.4%+3.144.8%717
52.0%
 Laser 1.2 64-bit2869+23−2350.6%−4.849.7%578
51.3%
 Rodent II 0.9.33 64-bit2869+27−2750.8%−8.343.9%419
51.2%
 Scorpio 2.9 MCTS 64-bit2868+28−2751.0%−4.739.0%420
53.2%
 Vajolet2 1.45 64-bit2867+20−2049.2%+5.342.9%787
51.2%
 Scorpio 2.7.9 64-bit2866+25−2552.3%−17.036.6%500
56.2%
 Crafty 25.0 64-bit2864+19−1946.9%+19.047.0%794
47.8%
 Stockfish 1.5.1 32-bit2864+15−1555.1%−32.843.1%1506
52.9%
 Invictus r305 64-bit2862+59−5950.5%−6.135.9%92
51.2%
 Lc0 0.19.1 w11248 64-bit2861+36−3650.6%−4.537.8%246
51.4%
 Arasan 18.0 64-bit2860+26−2649.6%+1.738.2%479
54.2%
 Crafty 25.1 64-bit2858+31−3143.4%+43.736.5%342
51.5%
 Marvin 3.3.2 64-bit2857+21−2151.9%−12.442.6%748
55.6%
 EXchess 7.92b 64-bit2855+22−2250.5%−3.247.7%631
53.5%
39MinkoChess 1.3 64-bit2854+14−1447.3%+19.541.6%1593
54.4%
 EXchess 7.71b 64-bit2853+22−2250.4%−3.843.8%669
49.9%
 Protector 1.3.6 64-bit2853+29−2946.1%+26.435.3%400
51.1%
 Tucano 7.06 64-bit2852+20−2049.1%+0.750.0%746
53.0%
 Pirarucu 2.3.8 64-bit2851+22−2252.9%−21.539.6%666
50.4%
 Rodent 1.7 64-bit2851+19−1950.5%−3.343.7%888
51.2%
 Toga II 3.02850+16−1648.1%+11.342.9%1311
52.8%
 Counter 3.3 64-bit2849+22−2249.9%+1.743.4%620
51.7%
 Stockfish 1.4 64-bit2849+19−1953.1%−18.151.3%844
53.0%
 Bobcat 7.1 64-bit2848+25−2552.6%−18.539.0%526
50.5%
 Asymptote 0.7 64-bit2847+60−5954.3%−24.449.4%81
50.0%
 Gull 0.11a 32-bit2847+21−2146.8%+17.946.8%722
51.9%
 Defenchess 1.0 64-bit2846+28−2848.7%+8.539.8%410
50.1%
 Vajolet2 1.28 64-bit2846+22−2253.1%−19.843.4%656
58.6%
 Booot 5.1.02844+10−1045.7%+29.241.4%3391
50.1%
 Demolito 2017-06-18 64-bit2844+25−2548.8%+5.543.7%487
52.3%
 Arasan 17.4 64-bit2843+26−2649.8%−0.539.0%472
49.4%
 Protector 1.3.3 64-bit2843+31−3149.4%+4.444.1%311
52.7%
 Tucano 7.07 64-bit2842+17−1748.6%+9.741.3%1132
52.4%
 Arasan 17.5 64-bit2841+25−2550.2%−1.145.9%481
50.2%
 FabChess 1.13 64-bit2841+71−7152.5%−17.241.7%60
49.1%
40Minic 0.98 64-bit2841+28−2853.1%−27.231.6%453
53.5%
 Protector 1.3.4 64-bit2840+24−2445.7%+27.144.2%543
57.1%
41Asymptote 0.6.3 64-bit2837+24−2448.6%+7.138.8%541
48.3%
 Marvin 3.2.0 64-bit2837+16−1648.3%+9.242.0%1213
59.7%
 Counter 3.2 64-bit2834+18−1950.0%−1.040.8%932
54.0%
 Winter 0.4a 64-bit2833+24−2448.0%+9.943.5%552
57.7%
 Protector 1.3.5 32-bit2830+14−1545.6%+27.945.9%1493
50.6%
 Stockfish 1.4 32-bit2830+16−1653.8%−25.048.9%1142
52.4%
 Bagatur 1.8 64-bit2829+26−2651.5%−15.335.7%490
48.8%
 MinkoChess 1.3 32-bit2829+31−3146.0%+25.645.5%314
50.1%
 Scorpio 2.7.8 64-bit2829+27−2749.0%+6.138.9%440
53.4%
 Texel 1.02 64-bit2828+28−2846.7%+18.042.2%398
51.6%
 Cyclone xTreme Fury2827+19−1948.1%+10.748.8%811
53.6%
 Grapefruit 1.0 32-bit2826+9−948.4%+10.447.7%3991
48.4%
 Toga II 1.4.1SE2826+12−1250.0%+2.243.5%2395
52.3%
 Tucano 7.00 64-bit2826+19−1952.2%−18.943.4%866
52.1%
 Booot 5.02825+16−1645.2%+29.343.5%1342
55.3%
 Cyclone xTreme2824+13−1344.2%+37.645.8%2009
49.2%
 Igel 1.8.3 64-bit2824+28−2849.4%+4.338.4%414
49.3%
42‑43Murka 3 64-bit2824+12−1248.4%+9.243.6%2096
50.2%
 Protector 1.3.4 32-bit2824+15−1545.6%+28.646.2%1356
49.9%
42‑43Zurichess Neuchatel 64-bit2824+14−1449.1%+4.842.6%1650
53.3%
 MinkoChess 1.2 64-bit2823+31−3147.5%+14.839.7%325
48.6%
 Tucano 7.05 64-bit2823+29−2951.4%−7.841.5%388
50.3%
 chess22k 1.6 64-bit2823+28−2847.3%+17.646.8%389
53.1%
 ChessBrainVB 3.032822+25−2549.9%−2.340.8%512
49.0%
 Cyclone 3.42822+21−2151.5%−8.547.2%685
52.6%
 Bagatur 1.8a 64-bit2821+28−2847.9%+14.040.5%402
51.3%
 Cyclone xTreme Rage2820+25−2548.4%+9.746.8%476
49.8%
 Toga II 1.4.1SE62820+23−2350.4%+0.645.1%567
58.7%
 Asymptote 0.6 64-bit2817+20−2051.2%−8.431.9%904
52.6%
 EXchess 7.51b 64-bit2816+27−2751.1%−7.042.6%439
49.9%
 Ethereal 8.37 64-bit2816+27−2752.1%−15.140.2%438
51.3%
 Toga II 3.1.2SE2815+17−1752.9%−19.243.6%1051
52.2%
 Cyclone 2.22814+28−2849.1%+5.947.4%382
50.9%
 Topple 0.7.0 64-bit2814+27−2748.9%+8.444.3%418
54.3%
 Minic 1.09 64-bit2812+27−2747.0%+18.743.8%422
51.3%
 Amoeba 2.4 64-bit2811+26−2650.1%−3.648.9%436
50.2%
 Arasan 17.0 64-bit2811+31−3151.5%−8.845.7%324
50.2%
 Crafty 23.8 64-bit2811+23−2351.5%−9.141.4%604
48.9%
44GNU Chess 5.60 64-bit2811+17−1749.1%+4.741.7%1147
54.6%
 Rodent II 0.8.7 64-bit2810+26−2746.2%+23.841.1%448
57.0%
 Topple 0.6.1 64-bit2807+19−1950.5%−3.536.4%888
53.9%
 Rodent 1.6 64-bit2805+30−3049.7%+2.737.9%348
49.4%
 TheMadPrune 1.1.252805+24−2451.4%−9.748.0%504
50.8%
 Topple 0.5.0 64-bit2805+27−2749.7%+1.640.2%440
50.5%
 Scorpio 2.7.7 64-bit2804+16−1648.3%+9.941.6%1282
52.6%
 Toga II 1.4 beta5c2804+24−2353.2%−21.346.2%558
51.2%
 Crafty 24.1 64-bit2803+22−2249.5%+2.637.3%659
50.1%
 DiscoCheck 5.0.1 64-bit2803+32−3251.6%−11.934.6%318
50.1%
 MinkoChess 1.0 64-bit2803+29−2952.0%−14.039.9%368
51.6%
 Arasan 17.3 64-bit2802+30−3046.8%+21.140.1%359
51.4%
 Protector 1.3.1b 32-bit2801+23−2348.8%+9.443.6%608
58.4%
 Cheng4 0.36c 64-bit2798+18−1850.4%−3.442.9%1014
54.7%
 Igel 1.7.0 64-bit2796+29−2951.1%−6.236.4%398
52.0%
 Minic 0.92 64-bit2795+31−3153.6%−36.832.4%364
49.4%
45Monolith 1.0 64-bit2795+13−1349.9%−1.840.9%2025
50.6%
 Protector 1.3.2 32-bit2795+21−2145.7%+26.250.4%659
56.6%
46GnuCheese 1.00 64-bit2793+16−1649.6%+1.040.5%1263
50.6%
 Stockfish 1.3.1 32-bit2793+25−2546.1%+25.041.4%512
51.7%
47RuyDos 1.1.9 64-bit2792+15−1549.0%+5.537.3%1580
50.2%
 Zurichess Luzern 64-bit2792+24−2447.3%+15.742.0%528
51.1%
 Arasan 17.1 64-bit2791+31−3149.0%+6.642.7%314
51.3%
 Marvin 3.1.0 64-bit2791+21−2146.7%+21.244.5%735
55.9%
 Toga II 1.3.12789+11−1150.0%−0.942.1%2565
51.6%
 Arasan 17.2 64-bit2788+28−2846.8%+21.944.1%388
52.5%
 Bobcat 6.4b 64-bit2787+24−2449.8%−0.947.8%517
49.5%
 Crafty 23.6 64-bit2787+25−2553.0%−19.047.1%478
51.5%
 Texel 1.01 64-bit2787+21−2148.1%+11.934.7%718
52.5%
 RuyDos 1.1.0 64-bit2786+24−2448.9%+7.639.9%536
51.6%
48tomitankChess 3.0 64-bit2785+16−1649.6%−0.538.9%1294
52.8%
 Counter 3.1 64-bit2784+20−2051.4%−9.537.6%804
49.6%
 Rodent 1.5 64-bit2784+21−2146.3%+25.840.9%726
55.1%
49‑50Glaurung 2.2 64-bit2783+16−1646.7%+25.338.1%1272
47.6%
49‑50Octochess r5506 64-bit2783+15−1548.7%+7.343.4%1350
52.6%
 Arasan 16.3 64-bit2782+28−2848.6%+7.941.3%400
50.5%
 Grapefruit 1.0a32782+31−3248.1%+11.541.6%315
49.8%
 MinkoChess 1.2 32-bit2782+14−1445.6%+30.640.7%1765
50.7%
 RuyDos 1.1.10 64-bit2782+24−2447.6%+14.541.7%564
48.5%
 RuyDos 1.1.6 64-bit2782+17−1749.5%+2.236.8%1140
53.6%
 Scorpio 2.7.6 64-bit2781+17−1749.7%+2.036.2%1198
51.8%
 Cyclone 1.02780+32−3251.0%−6.939.3%300
50.5%
 Stockfish 1.2 Default2780+21−2146.1%+24.044.5%679
53.0%
51Pawny 1.2 64-bit2779+14−1448.4%+9.839.7%1730
54.0%
 Scorpio 2.7.5 64-bit2778+27−2749.5%+2.340.7%425
52.2%
 EXchess 7.31b 64-bit2777+27−2846.3%+23.843.4%410
53.8%
 EXchess 7.18b 64-bit2775+23−2350.4%−4.339.9%607
51.1%
 RubiChess 1.1 64-bit2774+20−2050.7%−6.140.8%829
57.9%
 Octochess r5190 64-bit2772+15−1548.7%+7.940.2%1521
51.6%
 Crafty 24.0 64-bit2771+28−2847.0%+20.344.4%396
49.7%
 EXchess 7.26b 64-bit2771+27−2746.4%+22.240.5%440
57.0%
 Glaurung 2.1 64-bit2768+19−1946.3%+26.436.5%902
53.5%
 Toga II 1.3.42767+28−2852.9%−18.642.1%411
54.8%
 Glaurung 2.1 32-bit2765+18−1746.3%+24.839.5%1067
50.0%
 Igel 1.6.0 64-bit2765+20−2052.1%−17.732.1%884
50.5%
 Texel 1.01 32-bit2765+28−2852.2%−19.035.0%432
49.3%
 Zurichess Jura 64-bit2765+25−2550.7%−7.041.8%500
53.0%
 RuyDos 1.0.27 64-bit2764+23−2348.4%+9.240.4%589
49.5%
 Winter 0.3 64-bit2764+25−2548.3%+10.836.3%543
56.1%
52FabChess 1.12.8 64-bit2761+27−2749.3%+6.541.0%441
54.9%
 Rodent 1.4 64-bit2759+23−2347.9%+14.036.2%629
48.8%
 Toga II 1.2.1a 32-bit2759+12−1250.5%−6.739.2%2354
51.8%
 DiscoCheck 4.3 64-bit2758+27−2749.6%+1.638.9%427
53.2%
 GNU Chess 5.50 64-bit2757+19−1948.5%+9.337.6%927
49.1%
 Minic 0.82 64-bit2757+28−2854.7%−37.133.0%427
55.7%
53Bison 9.11 64-bit2755+13−1349.7%−0.235.5%2013
49.4%
 Crafty 23.3 64-bit2755+32−3250.5%−3.038.8%309
50.9%
 Glaurung 2.2 32-bit2755+24−2446.0%+24.841.4%565
55.0%
 Laser 1.1 64-bit2753+27−2747.0%+18.246.4%416
55.4%
 chess22k 1.5 64-bit2750+25−2551.8%−12.548.0%504
52.3%
 Scorpio 2.7 32-bit2749+20−2049.0%+9.136.2%826
55.6%
 Crafty 23.5 64-bit2747+28−2851.2%−10.539.9%406
50.0%
 Stockfish 1.012747+31−3150.5%−6.043.8%322
51.8%
 Ethereal 8.28 64-bit2746+29−2948.9%+4.140.5%370
52.5%
 Glaurung 2.0.1 64-bit2745+18−1849.9%−0.939.0%988
51.5%
 MinkoChess 1.0 32-bit2744+32−3249.8%+1.441.1%314
51.5%
 Amoeba 2.3 64-bit2743+27−2753.0%−19.440.2%428
50.6%
 EXchess 7.11b 64-bit2743+31−3150.3%−2.544.4%324
53.8%
 Topple 0.3.5 64-bit2741+30−3048.8%+4.536.1%368
50.7%
 MinkoChess 1.1 32-bit2740+27−2745.7%+26.740.9%455
50.1%
 Rodent 1.3 64-bit2740+29−2951.1%−7.243.9%378
54.3%
 Arasan 16.1 64-bit2738+31−3149.0%+7.637.0%338
49.2%
 Arasan 16.2 64-bit2738+32−3248.3%+13.933.4%317
50.5%
 Glaurung 2.0.1 32-bit2738+17−1647.2%+16.940.6%1196
50.5%
 Minic 1.34 64-bit2737+233−27525.0%+110.050.0%4
50.0%
54Carballo 1.7 64-bit2736+14−1449.5%+3.640.0%1612
52.0%
 Crafty 23.4 64-bit2736+28−2846.7%+20.138.9%419
51.5%
 Toga II 1.2 32-bit2735+25−2552.4%−18.937.2%511
52.3%
 Laser 1.0 64-bit2734+26−2648.4%+9.638.8%466
53.1%
 Crafty 23.4 32-bit2733+19−1950.8%−5.840.4%861
52.1%
 Marvin 3.0.0 64-bit2732+23−2352.3%−19.534.4%649
51.6%
 Counter 3.0 64-bit2731+28−2848.1%+11.632.4%414
50.6%
 Toga II 1.1a 32-bit2731+16−1652.8%−19.138.9%1275
52.7%
 DiscoCheck 3.7.1 64-bit2730+30−3052.4%−19.636.7%349
50.9%
 Arasan 15.6 64-bit2729+30−3051.3%−11.833.4%353
50.5%
 Octochess r5132 64-bit2729+31−3151.1%−7.342.8%313
52.5%
 Bison 9.11 32-bit2728+14−1448.5%+9.737.2%1810
60.7%
 Bobcat 3.25 64-bit2725+17−1749.2%+5.039.2%1150
52.9%
 Tucano 6.00 64-bit2724+16−1547.4%+15.640.0%1369
51.4%
 Octochess r4984 64-bit2723+31−3149.7%+4.337.0%324
56.2%
 Amoeba 2.0 64-bit2720+27−2746.2%+23.043.1%434
50.1%
 Arasan 15.1 64-bit2720+32−3151.9%−12.239.4%317
49.0%
 RuyDos 1.0.22 64-bit2720+27−2750.7%−4.943.4%424
53.9%
 EXchess 7.03b 64-bit2718+32−3250.0%−0.534.6%315
49.9%
 Marvin 2.2.0 64-bit2718+25−2550.1%−3.832.6%533
53.7%
55GreKo 2018.12 64-bit2717+25−2548.4%+8.746.7%467
51.3%
 Crafty 23.3 32-bit2716+32−3250.5%−4.741.4%309
48.9%
 GreKo 2018.08 64-bit2716+21−2147.1%+22.436.5%756
54.9%
 Counter 2.9 64-bit2714+24−2449.6%+1.635.8%578
51.2%
 Hakkapeliitta 2.0 64-bit2714+25−2546.5%+23.234.5%551
51.3%
 EXchess 6.50b 64-bit2713+32−3250.2%−1.537.2%317
53.0%
 Arasan 16.0 64-bit2712+32−3246.5%+22.240.6%310
51.3%
 Crafty 23.2 64-bit2711+30−3049.0%+6.537.5%357
52.1%
 Amoeba 2.1 64-bit2710+29−2948.7%+9.839.0%374
51.4%
 Amoeba 1.4 64-bit2709+26−2647.7%+17.336.1%493
48.8%
 Carballo 1.6 64-bit2709+25−2552.2%−18.540.5%538
50.7%
 GreKo 2018 64-bit2709+13−1348.7%+9.233.1%2024
49.4%
 Topple 0.4.0 64-bit2709+25−2549.3%+6.733.0%536
53.7%
 Bagatur 1.7a 64-bit2708+18−1852.0%−17.534.3%1102
48.7%
 GreKo 2018.07 64-bit2708+16−1648.0%+13.936.4%1385
54.2%
 Bobcat 2.75 64-bit2707+30−3050.6%−4.338.9%360
51.7%
56Critter 0.42 32-bit2706+25−2551.9%−13.141.1%494
54.0%
 Scorpio 2.8.5 MCTS 64-bit2704+17−1746.7%+23.729.3%1166
58.2%
 Pawny 1.1 64-bit2701+21−2149.9%−2.341.5%745
49.7%
 Scorpio 2.7 64-bit2701+27−2746.0%+26.937.2%438
59.2%
 Booot 4.15.12697+30−3046.1%+23.442.1%359
49.5%
 Octochess r4741 64-bit2697+32−3251.1%−4.641.2%308
49.9%
 Pirarucu 2.2.2 64-bit2697+19−1952.6%−19.833.8%965
51.2%
 Glaurung 2 epsilon/5 32-bit2696+27−2748.1%+11.235.8%441
51.8%
 Crafty 23.2 32-bit2695+32−3247.8%+16.340.0%320
51.6%
 Fruit 2.12695+25−2551.5%−14.237.2%522
54.6%
 Booot 4.15.02693+14−1445.9%+26.544.9%1651
49.0%
 Scorpio 2.6 32-bit2693+31−3148.9%+7.941.7%321
53.9%
 Vajolet 2.482691+31−3148.9%+5.433.9%348
52.6%
 Rodent 1.2 64-bit2690+32−3247.0%+16.730.9%320
49.9%
 RuyDos 1.1.11 64-bit2690+133−15321.9%+174.831.3%16
50.2%
 Zurichess Graubuenden 64-bit2689+24−2551.0%−6.839.0%539
52.3%
 Amoeba 1.3 64-bit2688+32−3248.4%+10.639.2%316
52.9%
 Crafty 23.1 32-bit2687+18−1846.2%+24.542.2%970
54.4%
 Arasan 14.3 64-bit2685+32−3247.3%+16.836.2%312
49.9%
 Bobcat 3.25 32-bit2685+31−3146.9%+22.432.2%351
49.9%
 Ethereal 8.19 64-bit2685+23−2352.8%−18.638.7%582
48.3%
57Fridolin 3.10 64-bit2685+18−1848.1%+12.834.7%1058
53.3%
58‑59DanaSah 8.32684+35−3552.5%−21.440.2%256
50.6%
58‑59WyldChess 1.51 64-bit2684+15−1648.4%+6.634.1%1441
51.8%
 EXchess 6.71b 64-bit2683+31−3246.4%+22.141.5%316
48.8%
 Scorpio 2.6 64-bit2683+27−2847.0%+21.734.4%433
52.4%
 Glaurung 1.2.1 Beren 64-bit2682+37−3749.6%+2.241.2%238
54.6%
60Daydreamer 1.75 64-bit2679+16−1648.6%+10.440.1%1207
52.8%
 Tucano 5.00 64-bit2679+18−1849.7%+0.341.7%987
53.4%
 Rodent 1.0 64-bit2677+27−2747.1%+20.641.0%417
51.8%
61K2 0.952676+21−2148.0%+14.232.1%759
55.2%
 MinkoChess 0.8 32-bit2674+33−3351.3%−13.341.5%301
49.3%
 chess22k 1.4 64-bit2674+23−2353.0%−19.835.4%649
52.3%
 Counter 2.7 64-bit2673+27−2752.8%−19.440.8%448
49.4%
 Fridolin 3.00 64-bit2673+17−1754.8%−36.032.1%1294
56.8%
 Counter 2.8 64-bit2671+25−2552.3%−16.036.9%526
51.9%
 Rodent 1.1 64-bit2670+33−3349.5%+2.537.6%306
52.2%
 ChessBrainVB 2.052669+23−2349.6%+1.136.1%609
48.6%
62RedQueen 1.1.3 64-bit2669+23−2347.7%+14.630.1%622
53.9%
 Daydreamer 1.75 32-bit2668+17−1747.7%+14.141.2%1157
49.9%
 Glaurung 1.2.1 Avalanche 32-bit2668+32−3252.1%−16.835.4%328
49.2%
 Scorpio 1.92668+31−3150.1%−3.534.0%362
52.2%
 Igel 1.4.2 64-bit2667+27−2747.6%+17.438.2%450
50.5%
 RedQueen 1.1.98 64-bit2667+17−1748.0%+10.431.4%1169
50.0%
 Scorpio 1.842667+32−3247.2%+8.929.9%354
51.3%
 Booot 4.14.02666+20−2051.4%−9.341.8%765
54.1%
 Glaurung 1.2.1 64-bit2665+23−2347.5%+15.636.9%612
49.3%
 Tucano 4.00 64-bit2665+25−2550.3%−1.334.6%546
54.0%
 Glaurung 1.2.1 Crusader 32-bit2663+32−3251.6%−14.628.6%343
49.0%
 Scorpio 2.5 32-bit2663+32−3249.5%+4.442.3%307
54.3%
 Minic 0.65 64-bit2661+28−2849.0%+6.334.0%429
50.9%
 Scorpio 1.912661+14−1345.5%+30.036.7%1881
52.9%
 Igel 1.4.1 64-bit2660+27−2749.1%+3.731.2%468
49.4%
 RedQueen 1.1.97 64-bit2660+17−1748.5%+10.132.6%1132
49.0%
 Vajolet 2.032660+24−2451.2%−11.233.8%562
52.7%
 Bobcat 2.75 32-bit2659+24−2447.7%+15.136.9%558
48.8%
 Pawny 1.0 64-bit2659+17−1748.4%+9.838.0%1120
54.5%
63Floyd 0.9 64-bit2658+14−1549.4%+3.529.3%1694
53.2%
 tomitankChess 2.0 64-bit2657+18−1851.9%−15.632.6%1105
52.2%
 Minic 0.47 64-bit2656+30−3051.5%−15.028.8%393
50.8%
 RuyDos 1.0.2 64-bit2656+27−2746.6%+20.941.1%426
53.2%
 Glaurung 1.2.1 32-bit2655+17−1746.4%+23.333.6%1265
49.4%
 Scorpio 2.02b2655+30−3047.3%+17.137.2%355
48.9%
 Winter 0.2 64-bit2655+17−1754.3%−36.825.9%1382
55.8%
 RedQueen 1.1.4 64-bit2653+28−2849.8%+0.835.3%414
50.6%
 Scorpio 2.0 32-bit2653+17−1745.9%+29.034.1%1256
51.4%
 Arasan 14.1 64-bit2652+32−3251.8%−11.236.0%308
50.2%
 Scorpio 2.1 32-bit2652+34−3449.1%+4.638.2%280
51.2%
 Leela Chess 0.10 w323 64-bit2651+18−1852.2%−17.825.1%1102
57.1%
 Asymptote 0.5 64-bit2649+22−2253.4%−24.331.6%716
49.7%
 GreKo 2018.02 64-bit2649+23−2351.7%−11.736.4%585
51.2%
64Cyrano 0.6b17 32-bit2648+14−1448.6%+8.940.7%1623
51.4%
 Cyrano 0.6b17 64-bit2648+22−2248.6%+8.637.1%690
52.2%
 Laser 0.2.1 64-bit2647+23−2353.3%−19.547.8%554
54.7%
 GreKo 2018.01 64-bit2645+27−2751.2%−10.831.9%454
51.2%
 Bobcat 20110414 64-bit2644+30−3052.4%−16.634.0%356
51.2%
 Scorpio 1.812644+34−3449.8%+4.931.4%299
56.9%
 Scorpio 1.82640+20−2047.3%+18.835.7%869
52.6%
 Amoeba 1.2 64-bit2639+24−2452.4%−17.738.8%582
49.0%
 DanaSah 7.32639+14−1449.4%+5.134.8%1709
51.7%
 WyldChess 1.4 64-bit2639+24−2452.8%−19.733.9%579
50.8%
 Bagatur 1.7 64-bit2638+22−2258.7%−57.737.5%648
53.4%
 RedQueen 1.0.0 32-bit2637+24−2451.6%−7.735.9%576
53.3%
 DanaSah 7.92636+19−1949.2%+4.527.3%944
49.4%
 Scorpio 2.05b2636+32−3250.5%−2.040.8%306
50.9%
 tomitankChess 2.1 64-bit2636+22−2247.7%+13.034.6%710
51.5%
 Cheng3 1.07 64-bit2635+21−2146.9%+19.430.6%810
49.6%
65Nawito 19062635+26−2650.3%+0.236.6%475
52.6%
 Glaurung 1.0.2 32-bit2634+17−1747.4%+20.032.0%1209
52.8%
 Counter 2.6 64-bit2633+25−2551.7%−12.934.3%543
50.6%
 Weiss 0.8 64-bit2631+330−25775.0%−137.00.0%4
50.2%
 Crafty 23.0 32-bit2630+28−2949.9%+1.441.3%380
51.1%
 Cheng3 1.07 32-bit2629+26−2646.6%+23.031.7%517
52.8%
66Delfi 5.12628+25−2546.3%+23.933.9%522
51.3%
 Igel 1.2 64-bit2628+19−1948.7%+7.528.9%926
51.7%
 Igel 1.1 64-bit2627+26−2648.0%+12.933.5%502
52.3%
 Glaurung 1.1 32-bit2626+32−3348.8%+10.232.1%324
52.3%
67NoraGrace 2.0 64-bit2625+15−1550.7%−7.428.0%1527
49.5%
 RedQueen 1.0.0 64-bit2625+32−3248.2%+10.733.7%312
50.1%
 RedQueen 1.1.1 64-bit2625+28−2848.3%+12.331.4%436
53.6%
 Arasan 13.4 32-bit2623+30−3049.7%+1.334.8%374
51.5%
 Ethereal 8.02 64-bit2622+31−3152.0%−15.127.6%369
53.3%
 Scorpio 2.9 MCTS+NN 64-bit2620+21−2149.6%+0.525.4%808
52.2%
 Tucano 3.00 64-bit2620+24−2448.1%+12.037.2%562
50.9%
 Bison 9.62619+23−2351.3%−13.433.9%635
51.9%
68Phalanx XXV2618+15−1549.6%+2.632.4%1493
54.2%
 DanaSah 7.02617+26−2651.3%−10.037.8%479
49.9%
 Topple 0.3.3 64-bit2617+20−1952.9%−20.529.9%894
51.2%
 Arasan 14.1 32-bit2616+33−3349.0%+5.033.3%309
51.1%
 Bison 9.8 32-bit2616+33−3249.8%−1.433.7%309
49.7%
 FabChess 1.11 64-bit2616+32−3246.8%+22.122.8%356
52.5%
69Caligula 0.9g2615+22−2254.5%−34.329.4%708
47.9%
 K2 0.912615+15−1549.0%+7.332.9%1497
56.5%
 RubiChess 1.0 64-bit2613+21−2145.0%+31.839.0%749
55.8%
 Ethereal 8.12 64-bit2611+26−2651.9%−11.931.4%509
50.1%
70Sloppy 0.2.2 64-bit2611+16−1648.7%+4.532.7%1276
50.5%
 GreKo 2015-ML 64-bit2610+25−2649.2%+4.137.7%501
54.8%
 Arasan 13.2 32-bit2608+32−3251.0%−5.838.5%312
49.3%
 GreKo 2015 64-bit2608+22−2251.3%−10.337.8%680
52.8%
71Donna 4.1 64-bit2607+15−1546.8%+23.130.8%1509
49.8%
 Monolith 0.4 64-bit2607+19−1949.9%−0.036.9%876
57.7%
 DanaSah 6.502605+22−2249.7%+0.336.0%691
48.1%
 Donna 4.0 64-bit2605+15−1550.2%−1.936.3%1432
53.1%
 Scorpio 1.72604+32−3249.7%−0.338.1%310
50.4%
 GreKo 12.8 64-bit2603+30−3050.7%−6.435.5%358
53.7%
 DanaSah 6.802602+28−2850.5%−2.940.3%412
48.4%
 Rodent 0.16 64-bit2602+30−3047.8%+17.034.6%364
53.6%
 Arasan 13.0 64-bit2600+30−3051.0%−6.126.6%384
53.4%
 Delfi 5.02599+20−2047.5%+15.137.1%805
49.8%
 Sloppy 0.2.2 32-bit2599+14−1448.1%+12.137.8%1775
51.5%
 Ethereal 8.05 64-bit2598+28−2848.1%+12.533.5%430
51.2%
 Nawito 18122598+20−2048.3%+11.733.0%892
54.6%
 Arasan 13.2 64-bit2596+32−3348.4%+10.533.1%308
49.7%
 Crafty 22.8 32-bit2596+32−3248.7%+6.535.9%315
52.3%
72Galjoen 0.40 64-bit2594+28−2854.3%−34.732.3%430
55.8%
 GreKo 2016 64-bit2592+22−2247.6%+16.938.6%697
51.0%
73CuckooChess 1.12 32-bit2591+25−2548.8%+9.429.8%531
54.8%
74Brutus 8.05 64-bit2589+22−2249.1%+4.334.7%697
50.0%
 tomitankChess 1.5 64-bit2589+23−2350.2%−1.334.0%611
53.2%
 GreKo 12.1 64-bit2588+30−3052.2%−17.732.8%366
50.0%
 RedQueen 0.9.8 64-bit2588+33−3351.0%−8.026.7%311
51.6%
 Booot 4.13.12587+28−2849.4%+1.439.9%404
52.8%
 RedQueen 1.1.1 32-bit2585+33−3250.6%−0.135.7%308
52.2%
75Betsabe II 1.962584+25−2551.1%−5.727.0%564
49.5%
 Ethereal 7.78 64-bit2584+24−2452.2%−14.032.2%571
51.5%
 Nawito 1.1d2584+28−2850.2%−2.936.7%401
50.9%
 Asymptote 0.4.2 64-bit2583+18−1850.1%+0.526.7%1072
51.8%
 K2 0.872583+17−1849.0%+5.534.7%1102
54.9%
 Minic 0.40 64-bit2581+20−2050.8%−7.028.4%904
52.1%
 Crafty 22.4 32-bit2580+32−3248.1%+11.637.7%318
49.1%
 Marvin 2.1.0 64-bit2580+26−2747.1%+22.733.3%480
55.2%
 Arasan 13.1 32-bit2578+32−3247.9%+13.837.5%312
49.1%
 GreKo 12.9 64-bit2578+29−2946.9%+21.633.2%416
51.4%
76Delocto 0.6 64-bit2577+15−1546.9%+21.838.6%1543
52.3%
 RedQueen 0.9.8 32-bit2577+22−2249.6%+4.827.7%730
54.0%
 Cheng3 1.04 32-bit2575+32−3250.2%−2.034.0%326
52.5%
 Counter 2.1.0 64-bit2573+24−2447.6%+19.237.1%552
49.9%
 Rodent 0.15 64-bit2573+32−3250.2%+0.538.2%309
52.5%
 Tucano 2.00 64-bit2572+30−3147.4%+16.637.4%345
54.0%
 Bobcat 20110414 32-bit2570+31−3149.4%+2.241.5%325
49.5%
 GNU Chess 5.07.153b 64-bit2570+23−2350.2%−2.032.1%657
51.1%
 Scorpio 2.2 32-bit2570+28−2847.1%+19.935.3%417
51.4%
 DanaSah 5.072569+17−1749.9%−0.937.2%1191
50.6%
 GreKo 12.5 64-bit2569+33−3350.7%−7.230.5%305
51.6%
 Minic 0.43 64-bit2568+29−2946.6%+22.431.4%414
52.1%
 Brutus 8.05 32-bit2567+17−1749.1%+3.836.8%1142
51.1%
 Arasan 11.6 64-bit2566+27−2747.5%+18.327.9%456
50.3%
 Cyrano 0.52566+31−3250.5%−2.535.9%326
51.9%
 CuckooChess 1.11 32-bit2565+29−2950.4%−2.834.1%384
50.4%
 GreKo 13.1 64-bit2565+30−3046.7%+20.240.3%347
51.0%
 Arasan 12.3 32-bit2564+24−2446.8%+24.030.0%597
52.0%
 Cheng3 1.06 32-bit2563+30−3047.3%+16.235.9%357
53.3%
 Bobcat 20110220 32-bit2562+32−3248.7%+7.335.0%311
53.3%
 Counter 2.0.2 64-bit2560+26−2652.2%−16.835.6%500
51.4%
 Cheng3 1.05 32-bit2559+32−3248.0%+14.833.6%324
51.5%
 Arasan 11.7 32-bit2558+32−3249.2%+6.236.0%308
49.7%
 Zurichess Glarus 64-bit2558+27−2749.2%+2.837.6%447
54.6%
 Carballo 1.5 64-bit2556+24−2451.6%−11.534.2%585
52.9%
 Arasan 12.0 64-bit2555+23−2346.3%+25.132.2%668
49.6%
 DanaSah 4.882555+22−2250.5%−3.333.9%676
50.4%
 RedQueen 0.9 64-bit2555+39−3952.7%−22.921.3%240
50.5%
 tomitankChess 1.4 64-bit2555+23−2352.7%−18.934.6%633
54.3%
 RubiChess 0.9 64-bit2553+22−2251.9%−18.133.0%718
54.0%
 Arasan 12.1 64-bit2551+35−3547.7%+17.025.9%282
49.5%
 DanaSah 5.002551+29−2948.5%+9.132.2%395
53.5%
 Crafty 21.6 32-bit2549+34−3447.8%+13.330.1%302
50.0%
 Pirarucu 2.1.1 64-bit2549+27−2751.3%−12.129.4%462
50.2%
 WyldChess 1.3 64-bit2549+29−2951.7%−13.635.2%384
60.3%
77Detroid 1.0.1 64-bit2544+25−2452.4%−21.027.4%594
51.3%
 Betsabe II 1.842543+14−1448.3%+14.225.6%1851
50.8%
 GreKo 9.7 64-bit2543+31−3149.1%+4.140.1%317
52.3%
 Crafty 21.5 32-bit2542+32−3248.3%+13.128.5%344
50.9%
 DanaSah 4.662541+26−2648.1%+11.835.2%475
51.4%
 GreKo 12.0 64-bit2541+25−2548.2%+13.230.7%541
51.0%
 DanaSah 4.602540+25−2548.5%+10.735.1%513
50.1%
 Tucano 1.042540+30−3047.2%+17.436.5%359
53.2%
 Rodent 0.102538+33−3351.1%−9.931.9%313
51.6%
 Crafty 22.0 32-bit2537+33−3348.5%+10.331.9%304
51.5%
 Phalanx XXIV2537+20−2048.7%+7.127.3%887
48.6%
 chess22k 1.3 64-bit2537+24−2452.0%−16.226.4%636
56.9%
 Caligula 0.82534+20−2049.1%+7.126.3%938
52.7%
78Maverick 1.5 64-bit2534+14−1450.4%−5.829.7%1853
51.6%
 Carballo 1.4 64-bit2533+26−2652.5%−18.331.0%500
50.6%
 K2 0.832533+27−2651.7%−12.633.3%474
50.4%
 Arasan 11.6 32-bit2532+33−3351.8%−12.132.6%304
50.1%
 Marvin 2.0.0 64-bit2532+22−2252.4%−18.630.2%736
53.3%
 Arasan 12.1 32-bit2531+33−3251.4%−12.327.3%326
50.2%
 CuckooChess 1.102531+31−3151.5%−12.034.5%330
51.4%
 Fridolin 2.00 64-bit2530+16−1549.7%+0.532.5%1435
52.9%
79FrankWalter 2.4.0 64-bit2529+18−1849.1%+6.129.5%1032
57.0%
 DanaSah 4.242527+17−1751.5%−10.836.9%1128
56.4%
 Bagatur 1.5f 64-bit2525+18−1848.6%+9.833.3%1027
56.4%
 Bagatur 1.6c 64-bit2522+22−2250.6%−2.929.8%736
58.6%
 Hakkapeliitta 1.0 64-bit2519+27−2748.3%+10.331.3%480
51.1%
 EXchess 6.10b 32-bit2518+32−3349.4%+3.632.5%314
51.5%
 Donna 3.1 64-bit2517+28−2849.4%+5.333.4%434
51.2%
 GreKo 10.0 64-bit2517+32−3251.1%−7.140.8%306
51.6%
 Bagatur 1.5e 64-bit2516+22−2250.7%−4.535.7%722
48.7%
 Crafty 20.14 32-bit2516+27−2747.4%+20.033.4%482
53.8%
 Brutus 7.02b2515+18−1952.0%−16.235.4%994
48.9%
 GreKo 10.3.1 64-bit2515+33−3350.3%−2.529.6%304
52.6%
 DanaSah 5.062514+32−3249.5%+1.135.1%319
51.3%
 DanaSah 4.452513+29−2949.9%+1.638.4%378
52.8%
80Axolotl 1.9 64-bit2512+27−2751.6%−13.630.3%458
48.3%
 FrankWalter 2.3.5 64-bit2512+24−2448.6%+11.827.0%627
53.0%
 Ethereal 7.70 64-bit2511+31−3147.1%+15.427.9%365
50.0%
 Kiwi 0.6d 64-bit2511+84−8062.5%−90.917.9%56
50.7%
 Arasan 10.0 32-bit2510+33−3449.0%+6.228.8%309
50.9%
 Crafty 20.13 32-bit2509+33−3348.7%+10.133.3%312
51.5%
 Floyd 0.8 64-bit2509+24−2451.7%−15.124.9%662
50.7%
 CuckooChess 1.092508+33−3351.6%−12.526.8%317
51.5%
 Maverick 1.0 64-bit2508+26−2652.2%−18.031.5%521
51.2%
 Betsabe II 1.752507+22−2251.8%−14.423.3%730
55.9%
 DanaSah 4.372504+32−3149.7%+2.038.3%321
52.1%
 Asymptote 0.3 64-bit2503+17−1754.2%−33.828.7%1237
52.4%
 GreKo 10.2 64-bit2502+31−3247.8%+16.430.5%341
50.8%
 Pawny 0.3.1 32-bit2502+33−3348.9%+7.728.7%310
50.8%
 Crafty 20.11 32-bit2501+34−3349.8%+3.830.0%307
51.9%
 Arasan 11.3 32-bit2500+33−3348.7%+8.030.9%301
49.8%
 WyldChess 1.1 64-bit2500+28−2846.2%+24.937.1%420
56.0%
 Cheng3 1.03 64-bit2497+32−3247.8%+12.932.3%316
50.9%
 Bagatur 1.5g 64-bit2496+26−2643.2%+49.127.8%532
52.3%
 Arasan 10.32495+24−2445.6%+32.430.6%634
50.9%
 Winter 0.1.1 64-bit2495+21−2149.8%−0.628.9%764
51.0%
 Cheng3 1.03 32-bit2494+33−3250.6%−5.330.8%318
51.9%
 GreKo 9.2 32-bit2493+33−3349.7%+2.032.9%304
52.3%
81Pepito 1.59 64-bit2492+17−1748.0%+13.834.8%1119
52.8%
 K2 0.752491+23−2352.4%−18.532.8%634
49.9%
 Pawny 0.3 64-bit2491+33−3349.4%+2.429.3%314
51.5%
82MadChess 2.2 64-bit2490+15−1547.8%+15.132.5%1534
52.8%
 GreKo 8.0 64-bit2489+27−2750.6%−3.231.9%464
54.5%
 Arasan 11.4 32-bit2487+33−3349.0%+8.028.5%305
49.9%
 DoubleCheck 3.1 32-bit2487+34−3451.0%−8.124.8%306
50.8%
 GreKo 8.2 32-bit2487+26−2649.1%+5.133.8%506
57.9%
 Zurichess Geneva 64-bit2483+26−2647.5%+15.734.9%476
52.1%
 Arasan 10.2 32-bit2482+25−2545.4%+35.327.8%594
49.8%
 GreKo 8.1.1 64-bit2482+36−3648.1%+12.037.1%240
51.4%
 Pepito 1.59 32-bit2481+24−2449.6%+1.334.0%583
55.0%
 Arasan 12.2 64-bit2478+37−3740.4%+72.418.9%275
52.4%
83BBChess 1.3b2477+24−2450.2%−1.138.7%555
53.0%
84Drosophila 1.5.1 64-bit2476+15−1548.9%+7.828.8%1560
51.0%
 MadChess 2.1 64-bit2475+25−2552.0%−12.630.8%530
52.8%
 Pawny 0.3.1 64-bit2474+23−2346.8%+20.732.3%637
54.8%
 BBChess 1.3a2472+25−2551.6%−12.330.5%528
54.1%
 Arasan 10.42470+21−2045.5%+33.030.0%850
54.2%
 Counter 1.22469+17−1748.2%+13.038.5%1139
52.3%
85Lozza 1.18 64-bit2468+16−1647.6%+17.433.4%1315
54.7%
86Nemeton 1.812467+25−2546.6%+21.635.3%515
49.7%
 WyldChess 1.2 64-bit2467+26−2646.4%+24.632.7%510
60.3%
 Betsabe II 1.662462+22−2246.7%+24.528.4%718
49.5%
 Counter 1.99 64-bit2462+32−3246.7%+20.033.7%332
52.2%
 Carballo 1.32461+25−2547.4%+18.231.0%561
53.4%
 Donna 2.1 64-bit2460+27−2750.2%−1.828.6%465
49.0%
 Donna 3.0 64-bit2460+32−3249.1%+9.631.1%328
49.9%
 Pawny 0.3 32-bit2460+33−3349.2%+3.934.3%303
53.1%
 Carballo 1.22459+23−2353.4%−22.629.6%642
48.5%
 GreKo 7.2 64-bit2459+30−3053.4%−24.929.9%364
52.7%
 Nemeton 1.82458+17−1751.9%−15.127.3%1250
50.8%
 RubiChess 0.8 64-bit2458+26−2652.4%−19.434.8%503
50.3%
 Topple 0.2.1 64-bit2458+18−1846.3%+27.422.1%1242
54.2%
 Bagatur 1.4d 64-bit2456+24−2448.9%+8.731.8%582
50.4%
 Counter 1.12456+23−2350.8%−8.137.7%632
54.7%
 Bagatur 1.4e 64-bit2454+30−3049.2%+7.934.6%370
53.8%
 Nemeton 1.512452+22−2249.8%−0.628.8%732
53.4%
 Cyrano 0.32450+34−3449.2%+4.723.8%311
51.4%
 GreKo 8.0 32-bit2449+29−2950.6%−3.429.7%411
56.4%
 Arasan 9.52446+35−3647.3%+16.423.7%291
48.7%
 FrankWalter 2.3.3 64-bit2446+20−2047.7%+15.428.5%866
55.0%
 Axolotl 1.8 64-bit2444+19−1947.7%+14.029.2%972
54.0%
87Typhoon 1.00-3482443+33−3348.5%+10.929.2%325
51.2%
 Arasan 10.12442+27−2746.4%+31.228.5%498
48.9%
 Betsabe II 1.472442+20−2049.9%+2.425.3%902
50.4%
 Lozza 1.17a 64-bit2442+17−1748.1%+11.933.7%1113
52.2%
 Bagatur 1.4b 64-bit2441+32−3249.5%+4.938.0%308
50.0%
 Cheng3 1.02b2441+33−3350.2%−3.830.4%312
50.9%
88Teki 2 64-bit2441+17−1749.8%+0.723.2%1395
52.5%
 Zurichess Fribourg 64-bit2440+29−2951.2%−8.632.0%403
51.6%
 K2 0.792439+29−2947.4%+18.730.6%402
50.1%
89Tunguska 1.1 64-bit2439+22−2249.3%+3.628.8%747
51.2%
 Nemeton 1.62438+24−2446.4%+25.331.8%604
58.1%
90Taltos rev118 64-bit2435+19−1951.7%−13.226.2%1004
52.4%
 Critter 0.382434+32−3251.1%−8.933.4%320
49.6%
 Typhoon 1.00-3582434+17−1748.2%+12.031.1%1220
51.7%
 RedQueen 0.7.5 64-bit2433+34−3451.0%−9.329.0%290
51.7%
 Murka 2 32-bit2432+30−3047.4%+18.926.3%400
59.1%
 DanaSah 3.632428+27−2748.4%+10.032.3%477
48.8%
 GreKo 7.2 32-bit2428+33−3348.4%+10.035.5%304
54.1%
 Arasan 9.22426+34−3446.1%+27.630.9%304
51.4%
 Betsabe II 1.30 64-bit2425+22−2348.8%+7.426.5%706
54.0%
 Nemeton 1.612423+28−2847.3%+18.132.3%421
56.2%
 DanaSah 2.852420+33−3349.0%+8.233.8%305
52.5%
91Kiwi 0.6d 32-bit2419+19−1948.3%+9.527.0%975
49.5%
 Nemeton 1.72419+18−1849.6%+0.325.2%1141
53.1%
 K2 0.712417+28−2851.4%−9.227.6%439
52.4%
 Monolith 0.3 64-bit2416+24−2447.0%+19.634.6%592
51.2%
 Pawny 0.2 64-bit2416+29−2947.0%+23.722.6%429
53.0%
92RomiChess P3n 64-bit2414+14−1448.7%+9.934.3%1887
53.8%
93Bitfoot 1.0.d9aeb43 64-bit2413+26−2648.3%+12.526.8%515
51.2%
 Pawny 0.2.2 32-bit2412+34−3448.8%+9.128.6%301
52.1%
94‑95Diablo 0.5.12411+18−1848.8%+8.432.4%1082
49.8%
94‑95Ifrit m1.8 64-bit2411+18−1848.8%+10.328.6%1145
52.6%
 Typhoon 1.00-3142410+34−3450.2%−0.123.0%305
56.2%
 RomiChess P3k 32-bit2407+19−1949.2%+5.333.0%906
59.3%
 Pawny 0.2.1 32-bit2403+31−3147.1%+19.525.5%373
50.6%
96Amy 0.87b2402+24−2449.4%+7.225.7%610
50.9%
 Cyrano 0.2f2402+32−3348.4%+13.732.9%316
52.9%
 Pawny 0.2 32-bit2400+29−2949.2%+5.530.8%396
49.9%
 RomiChess P3L 64-bit2400+23−2350.0%+0.231.3%643
53.6%
97Simplex 0.9.8 64-bit2399+17−1747.4%+17.325.3%1234
52.1%
 Pawny 0.1.9 64-bit2398+33−3447.2%+18.227.1%306
51.8%
 Lozza 1.16 64-bit2397+25−2549.0%+7.433.5%526
50.2%
 Simplex 0.9.8 32-bit2397+30−3149.0%+5.131.2%359
51.0%
98Zevra 2.1.2 r248 64-bit2396+27−2750.5%−3.026.4%496
52.3%
 Maverick 0.60 64-bit2395+33−3349.3%+4.828.3%307
53.2%
 Phalanx XXII2393+24−2550.1%−0.923.5%595
69.6%
 Galjoen 0.39 64-bit2385+16−1650.6%−0.226.5%1417
52.7%
99‑100Googleplex Starthinker 1.6 64-bit2384+24−2447.6%+16.326.6%616
49.8%
99‑100Jazz 721 64-bit2384+20−2049.1%+5.928.0%911
53.4%
 DoubleCheck 2.5.4 32-bit2383+33−3350.5%−3.728.6%318
51.4%
 RomiChess P3L 32-bit2382+33−3346.3%+28.433.4%314
55.1%
101Thor's Hammer 2.28 32-bit2379+22−2248.3%+13.029.1%694
52.3%
 Zevra 2.1.1 r216 64-bit2379+17−1750.8%−7.525.9%1218
51.9%
 GreKo 6.302378+33−3348.0%+13.431.6%307
53.5%
 Betsabe II 1.28 64-bit2376+33−3349.8%+3.525.3%320
53.3%
 Carballo 1.1.12374+32−3247.5%+18.727.4%340
52.6%
 Counter 1.02372+32−3250.3%−3.735.3%312
50.5%
 Typhoon 1.00-2852372+34−3449.5%+2.320.1%314
52.1%
 Ifrit m1.5 32-bit2371+27−2846.6%+24.329.1%453
50.4%
 GreKo 7.02370+28−2846.3%+29.227.8%454
53.5%
 MadChess 2.0 64-bit2369+22−2251.0%−8.425.5%753
52.1%
 GreKo 6.252368+33−3348.5%+9.131.5%308
52.4%
 RedQueen 0.7 64-bit2366+35−3556.0%−43.725.5%298
54.9%
 GreKo 6.52364+26−2648.9%+6.931.5%495
49.7%
 Phalanx XXIII2364+32−3246.3%+23.624.8%351
51.4%
 Topple 0.1.1 64-bit2363+23−2354.9%−42.717.2%732
62.6%
 Donna 1.0 64-bit2357+29−2946.9%+22.528.2%408
50.7%
 RomiChess P3m 64-bit2356+27−2746.0%+29.731.4%455
53.5%
 Nemeton 1.412355+25−2647.6%+18.333.7%514
51.6%
 K2 0.672354+23−2352.7%−17.529.7%677
51.8%
 Nemeton 1.32353+31−3152.1%−17.233.5%340
51.8%
 Counter 0.82352+32−3248.6%+10.935.6%312
50.4%
 Typhoon 1.00-358 64-bit2352+34−3449.5%+4.121.7%318
55.7%
 GreKo 5.92349+24−2446.4%+27.729.3%621
53.5%
 Barbarossa 0.6.0 64-bit2346+48−4945.1%+36.423.0%152
50.4%
 Lozza 1.15 64-bit2346+25−2552.4%−16.634.2%530
55.3%
 Ifrit m1.6 32-bit2343+32−3247.5%+15.135.0%314
54.8%
 Maverick 0.51 64-bit2341+22−2251.3%−7.523.7%784
49.9%
102Xpdnt 0907042341+33−3351.8%−13.429.0%314
56.3%
103Napoleon 1.8 64-bit2338+17−1751.3%−10.030.9%1228
52.2%
 Jazz 840 64-bit2337+15−1548.2%+14.326.7%1560
53.3%
 Bagatur 1.4c 64-bit2336+34−3448.2%+11.625.2%306
51.4%
 Daydreamer 1.52335+22−2252.1%−18.634.3%722
60.6%
 Nemeton 1.12330+29−2947.5%+16.931.3%393
55.6%
104Amundsen 0.802328+17−1749.1%+6.529.2%1269
56.1%
 Bagatur 1.3a 64-bit2326+19−1951.9%−16.527.1%985
55.4%
 Simplex 0.9.7 32-bit2323+31−3148.6%+9.725.4%370
56.9%
 Googleplex Starthinker 1.4 64-bit2320+17−1755.4%−42.522.9%1296
64.7%
105Kingfisher 1.1.1 64-bit2314+27−2750.7%−1.541.6%442
51.0%
 Asymptote 0.2.0 64-bit2313+25−2548.7%+10.126.8%575
55.0%
 GreKo 5.52311+33−3350.7%−5.833.1%305
54.2%
 Nemeton 1.22308+26−2646.3%+24.028.7%516
50.5%
 NoraGrace 1.0 64-bit2308+29−2946.7%+22.523.2%422
57.7%
 RubiChess 0.7 64-bit2304+24−2456.9%−50.827.5%603
55.8%
 Brutus 6.12301+34−3448.4%+8.425.0%312
49.5%
106Natwarlal 0.142301+19−1949.1%+7.025.2%1027
53.3%
 Xpdnt 0809272300+29−2951.2%−8.524.8%428
54.0%
107Sungorus 1.4 64-bit2298+18−1847.6%+16.522.4%1173
52.5%
 Floyd 0.7 64-bit2297+32−3251.4%−10.223.4%350
51.9%
108CT800 1.34 64-bit2296+21−2147.1%+21.725.5%822
54.9%
109Absolute Zero 2.4.7.2 64-bit2295+15−1550.9%−8.722.5%1713
50.7%
110Raven 0.70 64-bit2294+33−3346.7%+24.425.2%317
53.9%
111Dumb 1.3 64-bit2292+22−2150.9%−6.024.1%772
50.8%
 Natwarlal 0.122292+34−3449.4%+7.126.6%308
49.3%
 Nemeton 1.02292+30−3052.6%−18.027.4%383
50.0%
 Pawny 0.1.62292+33−3352.1%−15.424.4%328
52.7%
112Invictus r228 64-bit2291+18−1850.3%−1.321.8%1190
70.9%
 Galjoen 0.38 64-bit2283+23−2349.0%+6.723.6%726
57.9%
 Brutus 5.42279+34−3450.7%−4.729.1%302
48.7%
 Kingfisher 1.0 64-bit2279+29−2947.3%+19.142.1%385
55.5%
 GreKo 5.2.52276+35−3550.9%−8.327.0%289
51.9%
113Barbarossa 0.5.0 64-bit2275+19−1949.1%+7.321.8%1022
62.1%
 Absolute Zero 2.4.4.0 64-bit2269+33−3348.0%+12.025.9%320
50.8%
 Zevra 1.8.6 r672 64-bit2269+20−2150.9%−9.725.9%862
66.4%
 CT800 1.32 64-bit2263+19−1947.1%+21.227.0%963
56.7%
 Jazz 444 64-bit2260+34−3449.2%+5.519.7%320
50.3%
 Sungorus 1.4 32-bit2259+21−2148.2%+12.626.5%820
61.3%
 CT800 1.30 64-bit2255+20−2053.0%−22.322.6%920
52.1%
 Sungorus 1.3 32-bit2254+34−3452.7%−16.424.3%301
54.3%
114RattateChess 1.0 Nosferatu2252+19−1950.0%+0.527.9%1016
52.3%
 Brutus 6.02251+35−3548.8%+5.322.6%301
49.0%
115Exacto 0.e 64-bit2251+18−1848.9%+7.932.6%1063
53.8%
 EXchess 5.01b 32-bit2250+29−2946.5%+20.931.2%401
51.1%
116Beowulf 2.4a 64-bit2249+18−1849.6%+1.126.4%1075
51.6%
 Jazz 501 64-bit2248+31−3146.1%+24.227.2%360
50.2%
 MadChess 1.4 64-bit2248+21−2147.0%+19.927.7%792
54.3%
 Lozza 1.14a 64-bit2246+28−2846.8%+25.628.1%434
58.3%
 Absolute Zero 2.4.0.0 64-bit2242+23−2347.6%+17.024.9%695
52.5%
 Zevra 1.8.5 r664 64-bit2241+28−2855.0%−34.523.6%461
52.9%
117Weini 0.0.23 64-bit2240+19−1948.7%+10.017.3%1115
56.3%
118Feuerstein 0.4.6.12238+19−1949.1%+5.728.5%944
53.3%
 Betsabe II 1.08c2236+35−3549.2%+8.321.0%300
49.5%
 Pirarucu 1.9.2 64-bit2236+24−2450.6%−6.218.4%694
53.9%
119SpaceDog 0.97.7 64-bit2235+26−2648.7%+9.423.7%532
48.5%
 Zevra 1.8.4 r650 64-bit2235+26−2647.4%+22.828.3%515
55.3%
120Hedgehog 1.99 64-bit2232+41−4154.0%−26.822.9%214
51.0%
121KMTChess 1.2.1 64-bit2231+25−2549.5%+2.923.6%560
54.1%
122Dolphin 1.0 64-bit2230+18−1849.1%+4.524.4%1069
65.7%
 Vajolet 1.62.12222+34−3447.7%+12.028.4%310
53.4%
123Robocide 20170718 64-bit2220+17−1748.4%+12.024.7%1244
53.9%
 Bagatur 1.2d 32-bit2218+34−3446.8%+20.127.2%298
51.1%
124Joker2 0.7.7 64-bit2218+20−2047.6%+16.432.6%838
50.5%
 Achillees 1.0 64-bit2217+69−7140.8%+67.621.1%76
50.7%
 Beowulf 2.4a 32-bit2217+20−1953.6%−28.025.1%968
48.6%
 Ifrit j3.6 64-bit2217+32−3251.2%−8.226.2%336
52.7%
 CT800 1.12 64-bit2216+22−2253.2%−23.422.1%774
51.9%
 DoubleCheck 2.3.1 64-bit2215+35−3553.0%−19.724.8%286
49.1%
 SpaceDog 0.97.5.1 64-bit2215+20−2052.8%−20.821.8%992
52.6%
 MadChess 1.3 64-bit2214+34−3448.6%+11.421.3%314
51.5%
125ChessKISS 1.7c 64-bit2213+19−1948.6%+10.327.2%1005
51.0%
 Robocide 0.4 64-bit2213+46−4651.7%−15.219.5%174
50.7%
 Weini 0.0.24 64-bit2212+21−2152.7%−21.124.2%857
55.0%
126ZCT 0.3.24512210+27−2749.4%+3.825.5%478
52.4%
 Betsabe II 1.09c2209+34−3548.2%+11.619.8%308
48.7%
 ChessKISS 1.7 64-bit2209+20−2047.9%+12.229.3%881
55.9%
 Napoleon 1.6.0b 64-bit2206+31−3146.7%+22.731.5%349
52.7%
127Baislicka 1.0 64-bit2205+20−2047.3%+19.724.9%940
51.0%
 Jazz 501 32-bit2205+29−2952.5%−18.228.5%418
57.6%
128MORA 1.0.02201+29−2852.9%−20.927.5%432
50.3%
 RattateChess Bologna 20072200+25−2551.3%−9.325.0%588
54.0%
129Dorpsgek Eve's Temptation 64-bit2199+14−1448.8%+8.824.0%1953
61.2%
 Carballo 0.82195+22−2247.2%+19.330.6%706
50.6%
 Jazz 444 32-bit2195+32−3250.3%−3.325.2%353
52.1%
 Dorpsgek Dillinger 64-bit2194+18−1848.6%+9.824.2%1130
62.8%
130‑131GopherCheck 0.2.3 64-bit2190+19−1949.2%+5.331.4%937
48.0%
130‑131NG-Play 9.85 64-bit2190+29−2946.1%+28.427.3%410
51.7%
 Zevra 1.8.2 r612 64-bit2190+29−2945.1%+34.328.2%412
54.1%
 Amundsen 0.65.12187+34−3448.7%+8.023.9%305
49.7%
 EXchess 5.04b 64-bit2187+29−2947.1%+27.521.9%424
50.8%
 Feuerstein 0.4.5.22187+37−3749.2%+8.724.7%255
49.4%
 K2 0.572187+33−3347.0%+22.525.8%314
50.6%
 NG-Play 9.87 64-bit2187+18−1847.0%+20.225.6%1145
59.5%
132Prophet 2.0 64-bit2183+29−2951.7%−13.725.5%416
61.4%
 RedQueen 0.62177+30−3046.1%+27.219.9%418
51.1%
 Asymptote 0.1.8 64-bit2176+22−2253.5%−26.716.5%834
53.6%
133Clever Girl r160 64-bit2175+21−2148.6%+6.424.0%804
50.4%
 CT800 1.20 64-bit2174+29−2947.2%+18.423.1%432
50.7%
 Feuerstein 0.4.62174+38−3850.6%−2.118.5%259
51.7%
 Sungorus 1.22173+26−2652.4%−17.828.7%499
56.0%
 NG-Play 9.86 64-bit2170+22−2245.4%+33.325.8%720
52.1%
 Clever Girl r185 64-bit2169+22−2247.0%+23.528.5%730
50.1%
 Pawny 0.132169+32−3252.2%−17.120.1%363
54.1%
134Micah 1.0 64-bit2167+28−2846.0%+32.024.5%462
56.7%
 Simplex 0.9.3 32-bit2163+34−3448.9%+9.024.8%315
51.8%
 Little Wing 0.6.0 64-bit2161+95−9647.4%+20.621.1%38
51.9%
 Betsabe II 1.052159+34−3445.2%+32.924.2%314
49.1%
135Chesley r323 64-bit2159+22−2247.6%+17.720.5%776
53.3%
 Ifrit j3.8 64-bit2157+34−3545.9%+28.423.5%302
52.3%
 Bagatur 1.2b 32-bit2156+33−3446.2%+28.229.1%306
50.0%
 Chesley r323 32-bit2156+24−2449.0%+7.821.0%625
48.6%
136OliThink 5.1.92156+30−3046.6%+27.921.3%417
59.5%
 Dorpsgek Cosmopolitan 2 64-bit2151+28−2845.5%+34.921.4%468
53.0%
 Ifrit j4.32150+28−2845.9%+28.129.5%440
66.3%
137Blitzkrieg rev337 64-bit2143+19−1947.0%+21.526.4%993
51.8%
 Maverick 0.2 64-bit2142+30−3046.2%+29.020.2%421
52.5%
 GopherCheck 0.2.2 64-bit2141+26−2646.4%+35.828.6%576
52.3%
 K2 0.43f2139+33−3348.2%+11.921.3%338
51.7%
 Raven 0.50 64-bit2138+30−3049.2%+5.124.2%393
52.6%
 Prophet 2.0 32-bit2137+19−1949.3%+4.524.0%1025
55.5%
138Parrot 07.01.162135+31−3146.6%+25.221.1%394
48.4%
 Parrot 07.07.222135+19−1947.3%+20.023.0%1047
55.0%
 Napoleon 1.7 64-bit2134+21−2146.9%+21.521.9%859
52.3%
 Barbarossa 0.4.0 64-bit2133+17−1744.4%+44.619.8%1302
61.8%
 Tunguska 1.0 64-bit2129+20−2044.3%+46.425.5%898
54.0%
 Prophet3 20180811 64-bit2127+18−1852.2%−16.724.2%1246
58.5%
 Ifrit j4.22123+34−3445.5%+31.226.4%303
50.5%
 Napoleon 1.5.0 64-bit2123+26−2647.4%+18.824.2%533
65.7%
 DoubleCheck 2.1 32-bit2114+33−3346.3%+30.921.8%362
54.2%
 ChessKISS 1.3a 32-bit2112+33−3347.0%+18.530.3%320
49.8%
 MORA 1.1.02112+98−10338.9%+76.916.7%36
49.7%
 MadChess 1.2 64-bit2112+26−2643.2%+47.724.8%552
55.1%
 Napoleon 1.4.0 64-bit2110+32−3248.1%+10.919.8%374
50.5%
139Cinnamon 2.2a 64-bit2109+20−2048.9%+9.025.6%892
72.0%
140King's Out 0.2.42 64-bit2100+23−2348.6%+12.816.1%750
51.6%
 Prophet3 20170909 64-bit2100+29−2948.4%+16.629.4%425
50.8%
 DoubleCheck 1.3.1 64-bit2099+40−4047.4%+21.617.9%234
55.0%
 Carballo 0.52096+23−2347.1%+20.321.9%694
61.4%
 Detroid 0.9.0 64-bit2092+18−1851.2%−11.114.6%1235
64.1%
141Gunborg 1.35 64-bit2087+21−2153.2%−19.028.4%790
53.2%
142Freyr 1.068 64-bit2085+22−2260.2%−78.320.4%781
59.4%
143Smash 1.0.3a 64-bit2082+23−2349.0%+9.022.5%726
51.0%
144AdroitChess 0.42081+23−2357.6%−69.215.1%800
52.7%
 Ifrit j2.92080+34−3448.2%+11.521.3%314
50.9%
 Feuerstein 0.4.5.12079+38−3848.0%+12.725.8%248
49.7%
145Small Potato 0.7.0 64-bit2079+21−2153.6%−29.221.3%873
55.7%
146Jabba 1.0 64-bit2077+22−2244.9%+38.721.8%751
58.1%
 Galjoen 0.36 64-bit2073+28−2844.5%+40.723.2%456
61.0%
 Hedgehog 1.9 64-bit2068+18−1943.9%+47.319.9%1175
53.6%
147Little Wing 0.5.0 64-bit2067+21−2148.2%+13.616.1%896
75.6%
148‑149Vice 1.0 64-bit2055+25−2549.7%+3.720.7%608
51.1%
148‑149Zeta Dva 0301 64-bit2055+28−2849.0%+9.629.4%446
61.4%
150Ecce 1.0 (rev. 508) 64-bit2050+21−2147.1%+22.518.6%893
54.6%
151Goldfish 1.13.0 64-bit2048+20−2050.1%+1.427.0%862
49.3%
 ZCT 0.3.25002048+32−3246.2%+30.216.8%381
54.1%
152PLP 16615712046+22−2246.1%+28.524.3%760
53.7%
153Squared-chess 1.3.0 64-bit2045+23−2352.4%−18.221.9%736
53.9%
 Jabba 1.0 32-bit2043+21−2144.8%+38.925.0%839
69.8%
 Cinnamon 2.0 64-bit2035+21−2143.8%+46.927.3%846
64.5%
154Cupcake 1.1a 64-bit2030+23−2351.9%−14.516.5%768
53.4%
 Barbarossa 0.3.0 64-bit2028+33−3345.2%+33.723.0%326
53.8%
155Faile 1.4.42026+23−2355.2%−28.222.1%774
50.9%
156‑158Arabian Knight 1.55 64-bit2025+25−2546.7%+25.919.6%596
52.2%
156‑158Schola 1.1.0 64-bit2025+22−2249.3%+4.122.9%752
49.7%
156‑158Slibo 0.5.12025+26−2645.5%+33.319.4%573
51.6%
159Wuttang r2 64-bit2024+18−1848.1%+11.422.6%1196
87.9%
 Smash 1.0.3 64-bit2005+27−2746.8%+23.024.1%518
60.8%
160BibiChess 0.52000+24−2445.7%+31.326.5%607
56.6%
161Snowy 0.2 64-bit1997+26−2651.5%−12.519.0%554
54.7%
 Cupcake 1.01994+31−3145.5%+31.622.7%401
55.0%
 Schola 1.1.0 32-bit1992+26−2645.6%+31.925.1%514
67.9%
 AdroitChess 0.31983+25−2544.2%+46.218.5%626
52.8%
 Zeta Dva 0305 64-bit1982+23−2446.7%+23.521.8%688
59.8%
 Squared-chess 1.2.0 64-bit1978+22−2248.5%+11.219.1%852
49.9%
 Zeta Dva 0220 64-bit1978+29−2946.7%+25.317.3%475
64.8%
 Zeta Dva 0306 64-bit1971+22−2248.6%+10.218.5%816
61.9%
 Zeta Dva 0310 64-bit1966+20−2046.9%+21.818.1%926
54.2%
162Dabbaba 5.671964+25−2545.5%+33.726.4%557
53.5%
163BeLL 0.0.41 64-bit1963+22−2250.1%−1.224.5%722
64.2%
164Sissa 2.01957+23−2353.1%−23.030.1%678
52.8%
 Zeta Dva 0303 64-bit1955+38−3937.5%+97.922.7%260
52.4%
 Feuerstein 0.4.4.21954+28−2941.2%+91.518.7%518
48.9%
165Monik 2.2.3 32-bit1954+30−3044.4%+39.527.1%395
54.3%
166Wowl 1.3.81952+26−2745.4%+35.213.3%573
53.7%
 Smash 1.0.31950+26−2640.8%+74.417.8%574
52.3%
 Monik 2.2.6 64-bit1949+15−1547.9%+14.719.7%1706
52.9%
 Monik 2.2.3 64-bit1948+23−2346.3%+35.822.5%716
56.9%
167Franky 1.0 64-bit1945+25−2548.8%+8.013.3%640
58.1%
168Micro-Max 4.8 (DM-PII)1942+20−2048.3%+12.426.1%865
58.2%
 Dabbaba 6.521939+22−2248.6%+10.820.3%777
64.0%
169Eia 0.31933+20−2047.1%+22.624.4%914
71.3%
 Wowl 1.3.71924+25−2546.8%+24.611.7%630
64.3%
170Presbyter 1.3.0 64-bit1917+25−2542.2%+55.916.5%638
65.3%
 Carballo 0.41909+32−3335.8%+103.534.8%342
55.3%
 Dabbaba 7.491906+11−1247.8%+17.719.9%3152
52.2%
 Jabba 130320121906+31−3139.1%+97.216.7%442
60.0%
171ChessterfieldCL i5a1900+24−2440.6%+74.520.4%658
55.5%
172Deepov 0.4.1 64-bit1898+24−2444.1%+46.217.3%677
63.4%
 Micro-Max 4.81891+28−2836.7%+103.324.7%493
49.9%
173Sapeli 1.02 64-bit1891+21−2247.9%+15.520.4%796
82.1%
174CDrill 1800 build 41877+23−2441.4%+72.815.5%741
83.5%
 DoubleCheck 1.0 64-bit1853+40−4127.8%+188.417.6%279
73.9%
175Sayuri 2018.03.06 64-bit1837+26−2642.8%+57.016.0%600
53.6%
176Pigeon 1.5.1 64-bit1836+27−2740.5%+69.426.1%502
70.6%
177Apollo 1.2.1 64-bit1826+22−2254.3%−33.819.0%832
73.3%
178Chenard 2018.03.06 64-bit1817+19−1949.3%+5.617.0%1143
59.0%
179RataAeroespacial 0.2.11814+13−1342.5%+64.712.9%2478
100.0%
180Shallow Blue 2.0.0 64-bit1711+22−2252.1%−19.718.6%776
90.5%
181TSCP 1.811692+20−2047.4%+21.217.0%1072
70.2%
182AdaChess 3.4 64-bit1684+23−2349.3%+6.721.5%708
69.1%
183Spartan 1.01674+25−2563.5%−103.021.2%624
67.4%
184Philemon C1667+25−2562.3%−95.422.0%626
59.4%
185VanillaChess 2.6g1662+25−2561.5%−88.820.2%624
99.6%
186Pulse 1.6.1 64-bit1614+21−2142.4%+66.514.3%928
84.2%
187Bullitchess 1.0 64-bit1597+24−2452.2%−19.719.1%628
85.5%
188Casper rev4 64-bit1579+24−2450.2%−2.823.9%624
60.5%
189PolarChess 1.31574+25−2549.3%+3.316.9%629
57.0%
190Darky 0.5d1571+24−2443.5%+55.720.8%677
83.4%
 Shallow Blue 1.1.0 64-bit1556+18−1840.5%+87.314.5%1355
90.0%
191Cicada 0.1 64-bit1536+24−2544.1%+48.319.7%636
65.6%
192MSCP 1.6h1529+25−2544.0%+50.815.1%628
99.8%
193Apep 1.011479+25−2541.2%+72.010.1%683
79.3%
194Saruman 2017.08.10 64-bit1466+18−1830.7%+151.527.2%1249
99.5%
195Dreamer 0.3.0 64-bit1425+25−2633.9%+122.516.9%640
99.8%
196BACE 0.461378+23−2421.5%+256.79.8%1027
 

Results matrix

Open source 1-2-CPU engines (best versions only), top 12
#NameElo1
Lc0 0
2
Stock
3
Ether
4
Xipho
5
Laser
6
Defen
7
Booot
8
Andsc
9
RubiC
10
Arasa
11
Roc 1
12
Vajol
1Lc0 0.22.0 T40B.4-160 GTX10503464 29 − 23
+8−2=42
+23		31 − 9
+22−0=18
−25		 29.5 − 4.5
+25−0=9
+23		       
2Stockfish 2019-12-10 64-bit345823 − 29
+2−8=42
−23		 40.5 − 13.5
+28−1=25
−37		41 − 13
+28−0=26
−41		46 − 7
+39−0=14
+28		47.5 − 5.5
+42−0=11
+68		46 − 8
+39−1=14
+7		     
3Ethereal 11.75 64-bit32659 − 31
+0−22=18
+25		13.5 − 40.5
+1−28=25
+37		 30 − 28
+7−5=46
0		36 − 21
+18−3=36
+17		36 − 22
+18−4=36
+7		40 − 18
+23−1=34
+45		35 − 21
+17−3=36
−15		14 − 6
+8−0=12
+11		   
4Xiphos 0.6 64-bit3256 13 − 41
+0−28=26
+41		28 − 30
+5−7=46
0		 34 − 24
+14−4=40
0		34 − 24
+15−5=38
−6		34.5 − 23.5
+16−5=37
−1		34.5 − 21.5
+17−4=35
−8		14.5 − 5.5
+9−0=11
+36		   
5Laser 1.7 64-bit32104.5 − 29.5
+0−25=9
−23		7 − 46
+0−39=14
−28		21 − 36
+3−18=36
−17		24 − 34
+4−14=40
0		 32.5 − 29.5
+11−8=43
+8		45 − 53
+13−21=64
−29		40 − 28
+20−8=40
+21		11 − 9
+4−2=14
−22		19 − 13
+9−3=20
−29		  
6Defenchess 2.2 64-bit3205 5.5 − 47.5
+0−42=11
−68		22 − 36
+4−18=36
−7		24 − 34
+5−15=38
+6		29.5 − 32.5
+8−11=43
−8		 31 − 30
+8−7=46
0		39.5 − 36.5
+16−13=47
−10		13 − 11
+6−4=14
−17		33 − 23
+15−5=36
−27		32 − 20
+14−2=36
−18		 
7Booot 6.3.1 64-bit3202 8 − 46
+1−39=14
−7		18 − 40
+1−23=34
−45		23.5 − 34.5
+5−16=37
+1		53 − 45
+21−13=64
+29		30 − 31
+7−8=46
0		 37 − 29
+14−6=46
+13		9 − 11
+2−4=14
−66		20 − 12
+10−2=20
−5		  
8Andscacs 0.95 64-bit3184  21 − 35
+3−17=36
+15		21.5 − 34.5
+4−17=35
+8		28 − 40
+8−20=40
−21		36.5 − 39.5
+13−16=47
+10		29 − 37
+6−14=46
−13		 13 − 11
+5−3=16
−1		24 − 16
+13−5=22
0		3 − 1
+2−0=2
+84		1.5 − 0.5
+1−0=1
+67
9RubiChess 1.6 64-bit3163  6 − 14
+0−8=12
−11		5.5 − 14.5
+0−9=11
−36		9 − 11
+2−4=14
+22		11 − 13
+4−6=14
+17		11 − 9
+4−2=14
+66		11 − 13
+3−5=16
+1		 15.5 − 12.5
+6−3=19
−9		 15 − 9
+9−3=12
+20
10Arasan 21.4 64-bit3127    13 − 19
+3−9=20
+29		23 − 33
+5−15=36
+27		12 − 20
+2−10=20
+5		16 − 24
+5−13=22
0		12.5 − 15.5
+3−6=19
+9		 20 − 20
+5−5=30
−1		2.5 − 1.5
+1−0=3
+41
11Roc 1.1 64-bit3126     20 − 32
+2−14=36
+18		 1 − 3
+0−2=2
−84		 20 − 20
+5−5=30
+1		  
12Vajolet2 2.8 64-bit3109       0.5 − 1.5
+0−1=1
−67		9 − 15
+3−9=12
−20		1.5 − 2.5
+0−1=3
−41		  
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

LOS matrix

Open source 1-2-CPU engines (best versions only), top 12
#NameElo1
Lc0
2
Sto
3
Eth
4
Xip
5
Las
6
Def
7
Boo
8
And
9
Rub
10
Ara
11
Roc
12
Vaj
1Lc0 0.22.0 T40B.4-160 GTX10503464 65.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Stockfish 2019-12-10 64-bit345834.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Ethereal 11.75 64-bit32650.00.0 78.4100.0100.0100.0100.0100.0100.0100.0100.0
4Xiphos 0.6 64-bit32560.00.021.6 100.0100.0100.0100.0100.0100.0100.0100.0
5Laser 1.7 64-bit32100.00.00.00.0 71.387.8100.0100.0100.0100.0100.0
6Defenchess 2.2 64-bit32050.00.00.00.028.7 67.799.6100.0100.0100.0100.0
7Booot 6.3.1 64-bit32020.00.00.00.012.232.3 99.699.9100.0100.0100.0
8Andscacs 0.95 64-bit31840.00.00.00.00.00.40.4 95.4100.0100.0100.0
9RubiChess 1.6 64-bit31630.00.00.00.00.00.00.14.6 99.697.5100.0
10Arasan 21.4 64-bit31270.00.00.00.00.00.00.00.00.4 52.389.9
11Roc 1.1 64-bit31260.00.00.00.00.00.00.00.02.547.7 81.7
12Vajolet2 2.8 64-bit31090.00.00.00.00.00.00.00.00.010.118.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
 Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents

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  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines

Created in 2005-2013 by CCRL team
Last games added on January 18, 2020