CCRL 40/40
Downloads and Statistics
May 18, 2019
Testing summary:
Total: 1'044'560 games
played by 2'452 programs
143157 CPU days (X2 4600+)

White wins: 363'036 (34.8%)
Black wins: 270'297 (25.9%)
Draws: 411'227 (39.4%)
White score: 54.4%

Open source 1-2-CPU engines

Comparing 935 engines!
189 best versions of selected engines played 22514 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on May 18, 2019 with Bayeselo based on 1'044'560 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+−
1Stockfish 10 64-bit3389+10−1075.4%−175.245.5%3694 
67.4%
 SugaR 1.6.1 64-bit3385+17−1770.5%−132.153.8%1130
84.3%
 ShashChess 8.0 64-bit3372+19−1868.3%−114.858.4%872
64.9%
 SugaR XPrO 1.4 64-bit3368+14−1471.0%−144.251.9%1668
54.0%
 Stockfish 9 64-bit3367+12−1271.4%−149.849.0%2565
96.6%
 ShashChess 6.0 64-bit3347+18−1866.0%−98.161.7%926
57.5%
 ShashChess 4.0 64-bit3345+17−1765.6%−98.861.7%1024
59.4%
 asmFish 051117 64-bit3342+16−1571.7%−145.050.2%1407
91.8%
 SugaR XPrO 1.3 64-bit3327+15−1570.4%−135.352.1%1372
57.7%
 SugaR XPrO 1.5.3 64-bit3325+16−1670.9%−135.750.6%1244
81.3%
 ShashChess Pro 1.0 64-bit3314+19−1966.2%−102.255.5%850
50.6%
 SugaR XPrO 1.2 64-bit3314+16−1668.1%−117.856.0%1172
52.6%
 MateFinder 9 64-bit3313+21−2167.6%−120.846.7%760
84.4%
 Stockfish 8 64-bit3301+11−1169.9%−130.753.8%2670
100.0%
 Stockfish 7 64-bit3245+13−1367.9%−112.654.2%1809
73.5%
2‑3Ethereal 11.25 64-bit3239+15−1548.5%+9.062.5%1292
48.3%
2‑3Xiphos 0.5 64-bit3239+17−1746.9%+17.563.4%992
88.0%
 Stockfish 6 64-bit3225+15−1568.7%−118.152.0%1461
54.2%
 Ethereal 11.00 64-bit3224+14−1447.0%+18.657.7%1552
80.5%
4Laser 1.7 64-bit3215+16−1645.1%+29.457.6%1164
92.4%
5Booot 6.3.1 64-bit3201+11−1145.5%+28.557.3%2489
79.5%
 Booot 6.3 64-bit3193+16−1650.5%−0.655.9%1208
50.3%
 Stockfish 5 64-bit3193+16−1667.5%−107.451.6%1222
58.4%
 Ethereal 10.55 64-bit3191+18−1749.2%+4.356.8%951
68.6%
6Andscacs 0.95 64-bit3185+12−1249.2%+5.951.3%2064
94.0%
 Andscacs 0.94 64-bit3171+14−1444.4%+36.552.0%1687
54.6%
 Andscacs 0.93 64-bit3170+13−1347.4%+16.052.7%1928
71.6%
 Stockfish DD 64-bit3164+16−1563.3%−80.153.0%1257
86.6%
 Xiphos 0.4 64-bit3153+13−1340.4%+62.849.6%2036
64.4%
 Andscacs 0.921 64-bit3149+13−1451.5%−6.850.9%1710
75.4%
 Booot 6.2 64-bit3143+10−1145.1%+34.354.4%2802
95.6%
 Laser 1.6 64-bit3130+12−1239.9%+69.048.3%2410
77.6%
 Stockfish 4 64-bit3121+18−1759.5%−57.154.7%947
57.9%
7Gull 3 64-bit3120+8−743.3%+44.352.5%6441
51.8%
 Roc 1.0 64-bit3119+21−2144.3%+39.749.1%719
59.3%
 Roc 0.7 64-bit3116+11−1142.3%+51.552.4%2757
72.1%
8Arasan 21.3 64-bit3109+21−2154.9%−30.153.0%640
71.9%
 Roc 0.8 64-bit3100+21−2145.5%+27.155.6%649
53.1%
9Vajolet2 2.7 64-bit3099+17−1751.7%−11.748.1%1103
59.7%
 Stockfish 3 64-bit3096+16−1656.5%−38.752.1%1186
61.3%
 Xiphos 0.3 64-bit3093+19−1950.6%−3.951.6%801
53.3%
 Ethereal 10.00 64-bit3092+15−1550.7%−1.953.1%1286
65.5%
10Nemorino 5.00 64-bit3087+15−1546.8%+25.850.0%1356
66.9%
 Arasan 21.1 64-bit3082+19−1948.7%+7.853.2%774
49.3%
 Gull 2.8b 64-bit3082+20−2050.7%−4.757.5%689
63.1%
 Arasan 21.2 64-bit3078+16−1650.1%+4.147.3%1182
49.2%
 Stockfish 2.3.1 64-bit3078+17−1757.1%−43.854.5%1065
51.3%
 Booot 6.1 64-bit3077+18−1846.0%+28.752.1%990
60.6%
11Texel 1.07 64-bit3074+12−1250.4%−3.247.8%2241
56.2%
 Stockfish 2.2.2 64-bit3073+20−2054.5%−32.350.0%792
52.9%
 Laser 1.5 64-bit3072+15−1550.5%−0.749.3%1486
69.7%
 Sting SF 4.7 64-bit3065+22−2246.2%+21.152.3%599
51.5%
 Sting SF 4.8.4 64-bit3064+27−2747.4%+14.947.9%430
51.0%
 Stockfish 2.2 64-bit3064+36−3657.2%−44.355.0%222
51.2%
 Gull 2.3 64-bit3063+19−1949.1%+4.957.2%775
54.0%
12IvanHoe 9.46h 64-bit3062+13−1353.3%−21.159.6%1819
57.5%
 Vajolet2 2.6 64-bit3060+15−1552.4%−15.253.9%1276
51.4%
13‑14ChessBrainVB 3.723059+16−1651.5%−10.943.2%1249
51.5%
13‑14Protector 1.9.0 64-bit3059+10−1044.7%+36.350.8%3645
72.3%
 Stockfish 2.1.1 64-bit3053+15−1551.2%−6.552.9%1258
61.5%
 Stockfish 2.2.2 32-bit3050+14−1461.8%−76.548.3%1599
52.4%
15chess22k 1.12 64-bit3050+16−1649.4%+0.850.9%1163
53.0%
16Lc0 0.20.1 w36089 64-bit3049+22−2258.0%−61.036.0%755
52.8%
 Sting SF 4.63047+30−3045.4%+29.047.0%334
57.3%
 ChessBrainVB 3.703044+23−2351.1%−10.448.1%551
53.7%
 Texel 1.06 64-bit3042+16−1647.8%+12.950.8%1255
54.5%
 Arasan 21.0 64-bit3041+17−1750.8%−6.543.5%1112
51.6%
 Ethereal 9.65 64-bit3040+18−1754.5%−28.948.7%995
52.7%
 Sting SF 5 64-bit3040+18−1844.7%+33.153.5%938
49.2%
 Sting SF 8.5 64-bit3040+29−2949.1%+3.556.5%345
51.9%
 Nemorino 4.00 64-bit3039+17−1750.9%−5.347.9%1085
49.9%
 Protector 1.8.0 64-bit3039+17−1744.6%+34.751.2%1043
50.2%
 Stockfish 2.3.1 32-bit3039+17−1757.2%−44.550.5%1095
52.9%
 Gull 3.1 64-bit3038+16−1646.2%+32.936.8%1379
50.7%
 Sting SF 3 64-bit3038+16−1647.8%+11.752.8%1195
49.2%
 Sting SF 8.1 64-bit3038+28−2854.1%−25.048.3%391
53.7%
 Sting SF 9.99 64-bit3037+29−2950.3%−5.452.0%350
51.1%
 Arasan 20.4.1 64-bit3036+17−1654.4%−29.243.3%1180
50.1%
17Senpai 2.0 64-bit3036+12−1251.4%−9.350.3%2143
50.5%
 Stockfish 1.9.1 64-bit3036+21−2160.6%−72.543.7%733
52.9%
 ChessBrainVB 3.663035+23−2351.5%−10.251.2%568
48.7%
 Sting SF 6.7 64-bit3035+28−2848.9%+8.449.3%367
55.7%
 RubiChess 1.4 64-bit3032+39−3946.2%+22.249.5%196
51.6%
 Booot 6.0.2 64-bit3031+22−2246.7%+17.355.6%577
49.8%
 Stockfish 2.0.1 64-bit3031+23−2257.7%−49.247.0%611
57.8%
 Sting SF 4.73028+22−2244.5%+32.750.5%632
51.1%
 Gull 2.1 64-bit3027+19−1944.4%+32.056.0%791
51.8%
 Stockfish 1.8 64-bit3027+21−2161.7%−80.943.8%737
48.4%
 Stockfish 2.1.1 32-bit3027+16−1663.8%−92.043.0%1362
55.3%
 Laser 1.4 64-bit3026+18−1853.3%−21.247.1%923
50.1%
 Sting SF 4 64-bit3026+18−1849.1%+3.150.6%915
51.8%
 ChessBrainVB 3.683025+21−2150.1%−1.254.3%654
52.0%
 Arasan 20.5 64-bit3024+20−2049.4%+3.151.1%709
54.3%
 IvanHoe 9.46h 32-bit3023+14−1355.8%−37.553.6%1668
49.5%
 Xiphos 0.2 64-bit3023+18−1852.8%−15.446.8%999
53.0%
 Arasan 20.2 64-bit3022+25−2553.1%−21.448.5%468
49.8%
 Demolito 2019-04-27 64-bit3022+92−9154.4%−27.050.0%34
49.7%
 Sting SF 2 64-bit3022+18−1850.1%−1.554.6%943
62.5%
 Sting SF 6.1 64-bit3017+30−3047.6%+15.253.0%332
58.3%
 Stockfish 2.0.1 32-bit3013+18−1766.9%−109.646.2%1074
51.6%
 Sting SF 10.1 64-bit3012+28−2848.3%+8.443.4%410
53.3%
 Gull 2.2 64-bit3011+19−1944.4%+31.951.0%834
52.7%
 Protector 1.7.0 64-bit3010+18−1845.0%+28.952.2%952
53.7%
 Sting SF 9.9 64-bit3009+17−1742.7%+46.944.0%1109
49.6%
 Stockfish 1.7.1 64-bit3009+22−2261.3%−74.943.6%669
49.8%
 Texel 1.05 64-bit3009+15−1550.5%−3.445.2%1333
52.4%
 Arasan 20.3 64-bit3008+20−2049.7%+1.549.2%774
54.7%
 Sting SF 7.3 64-bit3006+31−3151.3%−3.853.3%304
54.4%
 Ethereal 9.30 64-bit3004+25−2550.5%−3.749.3%460
53.7%
 Sting SF 2 32-bit3002+17−1751.3%−9.251.2%1062
56.1%
 Stockfish 1.9.1 32-bit3001+17−1766.5%−107.146.2%1156
49.5%
 Vajolet2 2.5 64-bit3001+18−1851.0%−6.550.7%963
63.4%
18Hakkapeliitta TCEC v2 64-bit2997+14−1449.0%−1.542.5%1766
50.5%
 Protector 1.6.0 64-bit2997+18−1844.8%+32.549.4%964
53.1%
 Nemorino 3.0 64-bit2996+19−1951.4%−10.349.4%814
52.6%
19Defenchess (SCTR) 1.1f 64-bit2995+13−1351.7%−12.046.2%1983
51.5%
 Sting SF 9 64-bit2995+17−1843.0%+52.045.1%1061
52.1%
 Gull II b2 64-bit2994+21−2145.4%+26.348.1%675
49.8%
 Sting SF 14 64-bit2994+66−6741.7%+47.247.0%66
56.0%
 chess22k 1.11 64-bit2989+20−2048.4%+11.148.3%768
54.0%
 ChessBrainVB 3.612987+27−2749.3%+3.947.7%421
49.7%
 Stockfish 1.8 32-bit2987+18−1867.5%−110.247.5%1020
52.4%
 Gull II 64-bit2986+30−3046.1%+18.348.0%344
50.4%
 Protector 1.5.0 64-bit2986+13−1344.3%+33.749.3%1805
52.9%
 Gull R375 64-bit2985+20−2044.3%+32.750.3%782
49.2%
 Xiphos 0.1 64-bit2985+20−2049.1%+5.648.4%787
53.6%
20Rodent III 0.275 64-bit2984+15−1549.8%+1.446.9%1374
57.9%
 Gull II b2 32-bit2982+18−1846.8%+18.552.6%960
51.0%
 Rodent III 0.238 64-bit2981+14−1550.2%−1.148.0%1445
56.1%
 ChessBrainVB 3.502979+24−2452.4%−15.746.7%553
54.6%
21Demolito 2018-10-29 64-bit2978+15−1652.5%−21.439.9%1392
49.0%
 Gull II 32-bit2978+18−1846.0%+22.157.1%854
53.0%
 Stockfish 1.7.1 32-bit2977+17−1766.9%−111.445.4%1182
53.7%
22RubiChess 1.3 64-bit2976+21−2151.4%−12.539.9%731
60.1%
 Texel 1.04 64-bit2972+21−2147.9%+12.946.6%701
58.9%
 Vajolet2 2.4 64-bit2968+21−2150.2%−0.248.8%705
52.8%
 Ethereal 9.00 64-bit2967+18−1848.6%+9.344.4%1006
54.1%
23Pirarucu 2.9.5 64-bit2966+21−2247.6%+9.145.8%674
53.2%
 Stockfish 1.6.3 64-bit2965+20−2058.6%−54.945.9%801
53.8%
 Arasan 20.1 64-bit2963+23−2352.4%−14.848.6%566
55.9%
 Senpai 1.0 64-bit2961+12−1247.7%+15.047.3%2072
52.6%
 Vajolet2 2.2 64-bit2961+19−1950.2%−2.447.8%850
63.1%
 Vajolet2 2.3 64-bit2956+20−2050.4%−1.349.9%758
52.8%
 chess22k 1.10 64-bit2955+18−1845.8%+26.242.5%1077
54.2%
 Hakkapeliitta 3.0 64-bit2954+11−1249.1%+5.240.7%2501
55.7%
 Arasan 19.2 64-bit2952+28−2852.9%−19.047.1%382
50.2%
 Stockfish 1.6s 64-bit2951+29−2952.0%−13.951.4%346
52.5%
 chess22k 1.9 64-bit2950+22−2246.1%+25.148.0%636
55.1%
 Pirarucu 2.7.4 64-bit2948+17−1748.9%+8.044.7%1036
54.0%
 Arasan 20.0 64-bit2947+26−2651.9%−12.445.5%466
49.1%
 Protector 1.5.0 32-bit2947+25−2545.2%+27.751.7%470
53.6%
 Nemorino 2.00 64-bit2946+23−2351.0%−7.550.2%578
54.1%
24Amoeba 3.0 64-bit2944+22−2251.8%−12.051.5%618
70.1%
 Rodent III 0.210 64-bit2936+19−1949.5%+2.849.2%830
53.5%
 Lc0 0.20.1 w11258 64-bit2934+43−4348.9%+5.140.2%174
52.9%
 Stockfish 1.6.3 32-bit2932+17−1761.1%−70.348.2%1104
63.8%
25Crafty 25.2 64-bit2929+11−1148.2%+9.744.8%2554
47.5%
 chess22k 1.8 64-bit2929+21−2147.7%+16.144.0%739
63.7%
 Amoeba 2.8 64-bit2925+13−1346.1%+24.944.0%1813
51.3%
 Pirarucu 2.6.1 64-bit2925+20−2047.9%+11.345.2%810
52.2%
 Laser 1.3 64-bit2924+24−2447.7%+13.949.6%502
49.4%
 Texel 1.03 64-bit2924+24−2552.0%−12.943.3%520
52.2%
 Arasan 19.1 64-bit2923+22−2253.3%−22.348.6%599
50.6%
26Bobcat 8.0 64-bit2923+13−1348.1%+11.546.5%1860
57.9%
27Cheng 4.39 64-bit2921+11−1148.1%+11.144.3%2533
57.3%
 Gull 1.2 64-bit2920+15−1545.5%+30.737.9%1542
58.6%
 Vajolet2 2.0 64-bit2917+20−2048.9%+6.449.7%784
52.6%
 Rodent II 0.9.64 64-bit2916+22−2250.5%−3.545.1%659
51.4%
 ChessBrainVB 3.312915+26−2653.6%−20.245.3%475
59.4%
 Amoeba 2.6 64-bit2911+20−2048.4%+10.148.2%739
54.2%
 Rodent III 0.172 64-bit2910+22−2249.7%+2.444.8%620
51.4%
 Demolito 2018-03-01 64-bit2909+17−1746.6%+20.242.8%1148
52.5%
 Gull 0.12a 64-bit2908+31−3145.5%+30.531.7%344
51.9%
 Arasan 19.0.1 64-bit2907+26−2651.1%−7.345.7%438
50.9%
 Crafty 25.1 64-bit2907+35−3551.4%−8.139.8%254
48.8%
 Gull 1.1 64-bit2907+19−1945.5%+31.141.5%889
52.7%
 RubiChess 1.2.1 64-bit2906+19−1951.7%−11.442.2%909
53.2%
28Toga II 4.0 64-bit2905+14−1445.7%+29.439.7%1760
53.5%
 Nemorino 1.02 64-bit2904+23−2352.8%−19.440.3%616
50.8%
 Protector 1.4.0 64-bit2904+14−1445.6%+32.736.6%1661
52.6%
 Amoeba 2.7 64-bit2903+15−1543.9%+42.642.0%1537
58.9%
29DiscoCheck 5.2 64-bit2901+18−1848.6%+8.043.2%1012
56.5%
 chess22k 1.7 64-bit2898+22−2247.4%+15.645.2%662
56.0%
 Vajolet2 2.1 64-bit2896+24−2448.5%+10.046.2%550
55.5%
 Booot 5.2.0 64-bit2894+15−1548.5%+10.742.7%1432
47.8%
 DiscoCheck 5.2.1 64-bit2894+15−1549.2%+5.242.7%1480
55.8%
30EXchess 7.97b 64-bit2893+13−1348.6%+9.044.4%2039
59.9%
 Cheng4 0.38 64-bit2890+23−2350.9%−5.839.5%583
50.0%
 Demolito 2017-08-26 64-bit2890+20−2048.2%+8.343.8%790
49.4%
31Winter 0.5 64-bit2890+17−1851.5%−10.041.1%1063
54.7%
 Stockfish 1.5.1 64-bit2888+28−2854.7%−29.739.2%416
51.8%
 Arasan 18.2 64-bit2887+29−2951.3%−8.345.6%351
51.5%
32Scorpio 2.8 64-bit2886+15−1549.8%+0.340.7%1574
55.0%
 Gull 1.0a 32-bit2885+12−1245.1%+33.744.1%2174
52.4%
 Ethereal 8.62 64-bit2884+24−2447.5%+15.444.9%563
64.1%
 Bobcat 7.6 64-bit2878+22−2345.4%+29.050.0%592
50.9%
 Protector 1.4.0 32-bit2878+11−1145.3%+32.140.9%2724
55.1%
 Gull 1.1 32-bit2877+17−1747.4%+15.948.9%1051
50.9%
 Vajolet2 1.44 64-bit2876+31−3052.5%−17.046.1%323
52.3%
 Gull 1.2 32-bit2875+12−1245.2%+32.542.7%2278
52.0%
 Arasan 18.3 64-bit2874+27−2749.7%+2.350.5%392
51.9%
 ChessBrainVB 3.202873+25−2550.3%−2.147.4%489
53.4%
 Amoeba 2.5 64-bit2872+23−2349.6%−0.544.5%566
54.8%
 EXchess 7.88b 64-bit2870+25−2550.0%−0.345.3%472
49.8%
 Laser 1.2 64-bit2870+23−2350.6%−5.049.7%578
50.0%
 Lc0 0.20.2 w32930 64-bit2870+62−6343.8%+37.442.5%80
51.6%
 Rodent II 0.9.33 64-bit2869+27−2750.8%−8.443.9%419
51.7%
 Gull 0.12a 32-bit2868+21−2149.6%+2.344.3%697
53.4%
 Vajolet2 1.45 64-bit2867+20−2049.2%+5.242.9%787
53.0%
 Scorpio 2.7.9 64-bit2865+25−2552.3%−16.836.6%500
54.3%
 Crafty 25.0 64-bit2864+20−2046.9%+19.047.0%794
47.4%
 Stockfish 1.5.1 32-bit2864+15−1555.4%−34.543.1%1486
60.9%
 Arasan 18.0 64-bit2860+26−2649.6%+1.738.2%479
60.2%
 EXchess 7.92b 64-bit2856+22−2250.5%−3.547.7%631
51.0%
 Lc0 0.19.1 w11248 64-bit2855+48−4848.9%+9.235.5%138
51.7%
33MinkoChess 1.3 64-bit2854+14−1447.3%+19.541.6%1593
52.3%
 Protector 1.3.6 64-bit2853+29−2946.1%+26.735.3%400
51.2%
 EXchess 7.71b 64-bit2852+21−2250.4%−2.743.8%669
53.6%
 Pirarucu 2.3.8 64-bit2851+23−2354.4%−32.340.1%608
50.3%
 Rodent 1.7 64-bit2851+19−1950.5%−3.243.7%888
51.3%
 Toga II 3.02850+16−1548.1%+11.442.9%1311
54.9%
 Stockfish 1.4 64-bit2849+19−1953.1%−18.051.3%844
53.0%
 Bobcat 7.1 64-bit2848+25−2552.6%−18.439.0%526
52.2%
 Gull 0.11a 32-bit2847+21−2146.8%+17.646.8%722
49.8%
34Tucano 7.06 64-bit2847+21−2150.7%−9.249.4%670
50.3%
 Vajolet2 1.28 64-bit2847+22−2253.1%−20.343.4%656
52.5%
 Defenchess (SCTR) 1.0 64-bit2846+28−2848.7%+8.039.8%410
55.8%
 Booot 5.1.02843+10−1045.4%+32.041.5%3314
50.5%
 Demolito 2017-06-18 64-bit2843+25−2548.8%+6.343.7%487
50.7%
 Protector 1.3.3 64-bit2843+31−3149.4%+4.544.1%311
50.8%
 Arasan 17.4 64-bit2842+26−2649.8%+0.439.0%472
54.0%
 Arasan 17.5 64-bit2841+25−2550.2%−1.145.9%481
51.6%
 Protector 1.3.4 64-bit2840+24−2445.7%+27.344.2%543
52.8%
35Marvin 3.3.2 64-bit2838+33−3351.7%−11.044.4%288
56.7%
 Marvin 3.2.0 64-bit2835+16−1648.3%+9.342.0%1213
61.8%
 Tucano 7.07 64-bit2831+19−1947.0%+22.039.3%893
51.7%
 Winter 0.4a 64-bit2831+24−2448.0%+10.143.5%552
52.7%
 Stockfish 1.4 32-bit2830+16−1653.8%−25.148.7%1130
51.6%
 MinkoChess 1.3 32-bit2829+31−3146.0%+25.245.5%314
49.0%
 Protector 1.3.5 32-bit2829+15−1545.2%+31.046.1%1473
51.6%
 Scorpio 2.7.8 64-bit2829+27−2749.0%+5.838.9%440
52.4%
 Texel 1.02 64-bit2828+28−2846.7%+18.042.2%398
52.2%
 Cyclone xTreme Fury2827+19−1948.1%+10.648.8%811
53.3%
 Grapefruit 1.0 32-bit2826+9−948.4%+10.347.7%3991
47.3%
 Toga II 1.4.1SE2826+12−1250.0%+2.343.5%2395
55.7%
 Booot 5.02825+15−1545.0%+30.143.5%1336
49.8%
 Scorpio 2.9 MCTS 64-bit2825+72−7246.6%+18.141.4%58
51.2%
36Murka 3 64-bit2824+13−1348.4%+8.743.6%2090
50.4%
 Protector 1.3.4 32-bit2824+15−1545.6%+28.446.2%1356
50.8%
 Tucano 7.00 64-bit2824+19−1952.2%−19.242.6%846
51.0%
 Cyclone xTreme2823+13−1344.2%+38.345.8%2009
49.7%
 MinkoChess 1.2 64-bit2823+31−3147.5%+15.439.7%325
51.7%
 Tucano 7.05 64-bit2823+29−2951.4%−8.641.5%388
49.8%
 chess22k 1.6 64-bit2823+28−2847.3%+17.246.8%389
52.4%
 ChessBrainVB 3.032822+25−2549.9%−2.440.8%512
48.4%
 Cyclone 3.42822+21−2151.5%−8.347.2%685
54.0%
 Toga II 1.4.1SE62821+23−2350.4%−0.245.1%567
50.9%
 Cyclone xTreme Rage2820+25−2548.4%+9.646.8%476
51.7%
37Zurichess Neuchatel 64-bit2820+15−1548.7%+6.342.5%1411
55.8%
 Toga II 3.1.2SE2818+18−1853.5%−23.643.7%1019
54.8%
 EXchess 7.51b 64-bit2816+27−2751.1%−7.042.6%439
52.0%
 Cyclone 2.22815+28−2849.1%+5.347.4%382
50.0%
 Ethereal 8.37 64-bit2815+27−2752.1%−15.040.2%438
58.2%
 Amoeba 2.4 64-bit2811+26−2650.1%−3.948.9%436
49.4%
 Crafty 23.8 64-bit2811+23−2351.5%−8.941.4%604
54.1%
38GNU Chess 5.60 64-bit2810+17−1749.2%+3.241.8%1113
52.3%
 Arasan 17.0 64-bit2809+31−3152.1%−12.445.5%310
48.6%
 Rodent II 0.8.7 64-bit2809+27−2746.2%+24.541.1%448
56.9%
 Arasan 17.3 64-bit2806+32−3249.0%+5.642.7%307
51.0%
 DiscoCheck 5.0.1 64-bit2805+33−3352.0%−14.634.2%304
50.1%
 TheMadPrune 1.1.252805+24−2451.4%−9.648.0%504
52.0%
 Scorpio 2.7.7 64-bit2804+16−1648.3%+9.741.6%1282
51.7%
 Toga II 1.4 beta5c2804+24−2453.3%−21.846.1%542
51.2%
 Crafty 24.1 64-bit2803+22−2249.5%+2.737.3%659
50.0%
 MinkoChess 1.0 64-bit2803+29−2952.0%−14.039.9%368
52.7%
39Topple 0.5.0 64-bit2802+27−2749.8%+1.040.1%434
51.2%
 Protector 1.3.1b 32-bit2801+23−2348.8%+9.243.6%608
50.5%
 Rodent 1.6 64-bit2801+31−3149.0%+7.637.6%338
56.0%
 Cheng4 0.36c 64-bit2798+18−1850.4%−3.442.9%1014
50.3%
 Lc0 0.21.1 w11258 64-bit2798+141−14642.9%+48.642.9%14
50.3%
40RuyDos 1.1.9 64-bit2797+16−1650.7%−5.936.9%1318
56.4%
 Protector 1.3.2 32-bit2795+21−2145.7%+26.050.4%659
56.2%
41GnuCheese 1.00 64-bit2793+16−1649.6%+0.940.5%1263
50.2%
 Stockfish 1.3.1 32-bit2793+25−2546.1%+25.141.4%512
52.2%
 Arasan 17.1 64-bit2792+31−3149.0%+5.942.7%314
50.2%
 Zurichess Luzern 64-bit2792+24−2447.3%+15.342.0%528
53.3%
42Monolith 1.0 64-bit2790+16−1651.5%−12.240.0%1416
52.8%
 Marvin 3.1.0 64-bit2789+21−2146.7%+21.944.5%735
50.9%
 Toga II 1.3.12789+12−1250.0%−0.842.1%2565
51.8%
 Arasan 17.2 64-bit2788+28−2846.8%+22.044.1%388
52.4%
 Bobcat 6.4b 64-bit2787+24−2449.8%−0.847.8%517
50.0%
 Crafty 23.6 64-bit2787+25−2553.0%−19.047.1%478
49.9%
 Texel 1.01 64-bit2787+21−2148.1%+12.234.7%718
52.3%
 RuyDos 1.1.0 64-bit2786+25−2549.0%+7.339.5%522
54.4%
 Rodent 1.5 64-bit2785+21−2146.3%+24.940.9%726
54.2%
 Arasan 16.3 64-bit2783+28−2848.6%+7.341.3%400
49.4%
43Glaurung 2.2 64-bit2783+16−1646.7%+25.538.1%1272
50.8%
 Grapefruit 1.0a32783+32−3247.7%+14.342.4%309
51.3%
 MinkoChess 1.2 32-bit2782+14−1445.6%+30.540.7%1765
52.8%
 Cyclone 1.02781+32−3251.0%−7.639.3%300
49.0%
44Octochess r5506 64-bit2781+16−1648.3%+9.543.9%1300
49.5%
 RuyDos 1.1.6 64-bit2781+17−1749.5%+2.136.8%1140
49.3%
 Scorpio 2.7.6 64-bit2781+17−1749.7%+2.136.2%1198
55.5%
 Stockfish 1.2 Default2780+22−2245.6%+26.544.4%667
55.5%
45Pawny 1.2 64-bit2778+14−1447.8%+12.939.6%1647
49.0%
 Scorpio 2.7.5 64-bit2778+27−2749.5%+2.840.7%425
52.8%
 EXchess 7.31b 64-bit2777+27−2846.3%+24.143.4%410
53.7%
 EXchess 7.18b 64-bit2775+23−2350.4%−4.139.9%607
55.3%
 RubiChess 1.1 64-bit2773+20−2050.7%−6.440.8%829
52.8%
 EXchess 7.26b 64-bit2772+27−2746.4%+21.640.5%440
49.2%
 Octochess r5190 64-bit2772+15−1548.7%+8.140.2%1521
50.3%
46tomitankChess 3.0 64-bit2772+21−2149.9%−1.339.5%734
51.8%
 Crafty 24.0 64-bit2771+28−2846.2%+24.844.5%384
52.8%
 Glaurung 2.1 64-bit2770+19−2046.3%+26.136.7%894
57.2%
 Toga II 1.3.42767+28−2852.9%−18.542.1%411
54.6%
 Glaurung 2.1 32-bit2765+18−1845.7%+28.339.6%1044
50.6%
 Texel 1.01 32-bit2765+28−2852.2%−18.935.0%432
50.0%
 Zurichess Jura 64-bit2765+25−2550.7%−7.341.8%500
54.3%
 RuyDos 1.0.27 64-bit2763+23−2348.4%+9.540.4%589
49.0%
 Winter 0.3 64-bit2763+25−2548.3%+11.336.3%543
59.2%
 DiscoCheck 4.3 64-bit2759+27−2749.6%+1.038.9%427
49.9%
 Rodent 1.4 64-bit2759+23−2347.9%+14.236.2%629
48.6%
 Toga II 1.2.1a 32-bit2759+12−1250.5%−6.439.2%2354
56.1%
 GNU Chess 5.50 64-bit2757+19−1948.5%+9.837.6%927
54.3%
47Bison 9.11 64-bit2756+13−1349.9%−1.835.4%1975
55.2%
 Glaurung 2.2 32-bit2754+24−2445.6%+27.941.1%555
52.7%
 Crafty 23.3 64-bit2753+32−3249.7%+1.739.1%302
50.4%
 Laser 1.1 64-bit2753+27−2747.0%+18.446.4%416
48.8%
 Stockfish 1.012753+32−3252.5%−19.045.4%302
56.9%
 chess22k 1.5 64-bit2750+25−2551.8%−12.748.0%504
51.8%
 Scorpio 2.7 32-bit2749+20−2049.0%+9.036.2%826
53.4%
 Crafty 23.5 64-bit2748+28−2851.2%−10.639.9%406
54.6%
 Ethereal 8.28 64-bit2745+29−2948.9%+4.840.5%370
51.0%
 Glaurung 2.0.1 64-bit2745+18−1849.9%−0.839.0%988
51.3%
 Amoeba 2.3 64-bit2744+28−2853.5%−22.140.4%418
51.9%
 EXchess 7.11b 64-bit2743+31−3150.3%−2.144.4%324
49.6%
 MinkoChess 1.0 32-bit2743+32−3249.4%+4.940.9%308
53.8%
 Arasan 16.2 64-bit2741+33−3349.2%+8.432.3%303
51.6%
 MinkoChess 1.1 32-bit2740+27−2745.7%+26.740.9%455
49.9%
 Rodent 1.3 64-bit2740+29−2951.1%−7.143.9%378
52.5%
 Topple 0.3.5 64-bit2739+30−3048.8%+4.936.1%368
51.7%
 Arasan 16.1 64-bit2738+31−3149.0%+7.737.0%338
50.0%
 Glaurung 2.0.1 32-bit2738+16−1647.2%+16.940.6%1196
58.1%
48Carballo 1.7 64-bit2736+15−1550.0%+0.040.7%1480
49.6%
 Crafty 23.4 64-bit2736+28−2846.7%+20.338.9%419
52.2%
 Toga II 1.2 32-bit2735+25−2552.4%−18.937.2%511
51.1%
 Laser 1.0 64-bit2734+26−2648.4%+10.238.8%466
54.3%
 Crafty 23.4 32-bit2733+19−1950.8%−5.740.4%861
53.2%
 Toga II 1.1a 32-bit2732+16−1653.7%−25.038.7%1231
53.2%
 Arasan 15.6 64-bit2730+30−3051.3%−11.633.4%353
50.0%
 DiscoCheck 3.7.1 64-bit2730+30−3052.4%−19.036.7%349
52.0%
 Marvin 3.0.0 64-bit2729+24−2453.0%−23.934.5%595
54.1%
 Bison 9.11 32-bit2728+14−1448.5%+9.637.2%1810
50.3%
 Octochess r5132 64-bit2728+32−3250.5%−3.543.0%307
55.1%
 Bobcat 3.25 64-bit2725+17−1749.2%+5.539.2%1150
52.3%
 Octochess r4984 64-bit2724+31−3149.7%+4.337.0%324
51.0%
 Tucano 6.00 64-bit2724+16−1647.4%+15.540.0%1369
51.4%
 EXchess 7.03b 64-bit2723+32−3250.3%−2.634.6%309
54.4%
 Amoeba 2.0 64-bit2721+27−2745.9%+24.942.9%422
49.5%
 Arasan 15.1 64-bit2721+31−3151.9%−12.139.4%317
51.1%
 RuyDos 1.0.22 64-bit2720+27−2750.7%−5.043.4%424
54.1%
49GreKo 2018.08 64-bit2719+22−2249.0%+7.338.0%690
51.3%
 Marvin 2.2.0 64-bit2718+25−2550.1%−4.132.6%533
53.9%
 Crafty 23.3 32-bit2716+32−3250.5%−4.641.4%309
54.1%
 EXchess 6.50b 64-bit2714+32−3250.2%−2.337.2%317
49.1%
 Hakkapeliitta 2.0 64-bit2714+25−2546.5%+23.234.5%551
54.4%
 Arasan 16.0 64-bit2712+32−3246.5%+22.340.6%310
51.0%
 Crafty 23.2 64-bit2711+30−3049.0%+6.937.5%357
50.9%
 GreKo 2018.12 64-bit2711+28−2850.5%−3.645.8%395
52.2%
 Amoeba 2.1 64-bit2710+29−2948.7%+9.839.0%374
50.8%
 Amoeba 1.4 64-bit2709+26−2647.7%+17.536.1%493
49.9%
 Carballo 1.6 64-bit2709+25−2452.2%−18.840.5%538
50.0%
 GreKo 2018 64-bit2709+14−1449.0%+6.733.8%1708
53.8%
 Topple 0.4.0 64-bit2708+25−2549.3%+5.933.0%536
52.3%
 Bobcat 2.75 64-bit2707+30−3050.6%−4.338.9%360
50.3%
 GreKo 2018.07 64-bit2707+16−1647.7%+15.136.6%1359
52.1%
50Critter 0.42 32-bit2706+25−2551.9%−13.141.1%494
52.6%
51Bagatur 1.7a 64-bit2705+21−2150.8%−8.533.3%768
53.4%
 Scorpio 2.8.5 MCTS 64-bit2703+17−1746.7%+24.029.3%1166
54.2%
 Scorpio 2.7 64-bit2702+27−2746.0%+26.037.2%438
50.4%
 Pawny 1.1 64-bit2701+21−2149.9%−2.141.5%745
60.1%
 Booot 4.15.12697+30−3046.1%+23.542.1%359
48.6%
 Octochess r4741 64-bit2697+32−3251.1%−4.141.2%308
52.2%
 Glaurung 2 epsilon/5 32-bit2696+27−2748.1%+11.135.8%441
51.3%
 Scorpio 2.6 32-bit2696+32−3249.5%+3.743.2%301
50.3%
 Crafty 23.2 32-bit2695+32−3247.8%+16.340.0%320
51.6%
 Fruit 2.12695+25−2551.5%−14.237.2%522
48.6%
 Pirarucu 2.2.2 64-bit2695+19−1952.8%−20.433.7%955
57.3%
 Booot 4.15.02693+14−1445.7%+28.245.4%1619
53.1%
 Vajolet 2.482692+31−3148.9%+4.933.9%348
52.2%
 Rodent 1.2 64-bit2690+32−3247.0%+17.330.9%320
52.1%
 Amoeba 1.3 64-bit2689+32−3248.2%+11.538.6%308
49.3%
 Zurichess Graubuenden 64-bit2689+25−2551.0%−6.639.0%539
59.0%
 Crafty 23.1 32-bit2686+18−1845.9%+26.542.0%958
50.5%
 EXchess 6.71b 64-bit2686+32−3246.4%+21.341.6%308
51.9%
 Bobcat 3.25 32-bit2685+31−3146.9%+22.232.2%351
51.7%
 Arasan 14.3 64-bit2684+32−3246.7%+20.136.2%304
48.2%
 Ethereal 8.19 64-bit2684+24−2452.8%−18.038.7%582
52.7%
 Scorpio 2.6 64-bit2683+28−2847.0%+21.634.4%433
50.3%
52WyldChess 1.51 64-bit2683+16−1648.4%+7.734.4%1355
52.8%
 Glaurung 1.2.1 Beren 64-bit2682+37−3749.6%+2.241.2%238
53.3%
53‑54Daydreamer 1.75 64-bit2680+16−1748.9%+8.039.8%1175
48.7%
53‑54RedQueen 1.1.3 64-bit2680+26−2649.4%+2.630.9%512
54.0%
 Tucano 5.00 64-bit2679+18−1849.7%+0.441.7%987
51.4%
 Rodent 1.0 64-bit2678+27−2747.1%+20.741.0%417
53.1%
55Fridolin 3.10 64-bit2677+25−2546.8%+21.336.6%536
54.8%
 chess22k 1.4 64-bit2675+23−2353.6%−23.935.5%625
51.9%
 MinkoChess 0.8 32-bit2674+33−3351.3%−13.341.5%301
52.0%
 Fridolin 3.00 64-bit2673+17−1755.9%−43.732.1%1239
51.2%
 Minic 0.53 64-bit2670+108−10850.0%+1.541.7%24
50.8%
 ChessBrainVB 2.052669+23−2349.6%+1.336.1%609
49.0%
 RedQueen 1.1.98 64-bit2669+18−1850.0%−3.131.2%1031
50.8%
 Rodent 1.1 64-bit2669+33−3349.2%+4.837.7%300
52.1%
 Daydreamer 1.75 32-bit2668+17−1747.7%+14.141.2%1157
49.7%
 Glaurung 1.2.1 Avalanche 32-bit2668+32−3252.1%−16.735.4%328
49.2%
 Scorpio 1.92668+30−3050.1%−3.434.0%362
52.3%
 Scorpio 1.842667+32−3247.2%+9.129.9%354
51.5%
 Booot 4.14.02666+20−2051.4%−9.341.8%765
50.3%
56Igel 1.4.2 64-bit2666+27−2747.6%+17.438.2%450
53.1%
 Glaurung 1.2.1 64-bit2665+23−2347.5%+15.736.9%612
49.0%
 Tucano 4.00 64-bit2665+25−2550.3%−1.134.6%546
54.5%
 Glaurung 1.2.1 Crusader 32-bit2663+32−3251.6%−14.528.6%343
49.0%
 Scorpio 2.5 32-bit2663+32−3249.5%+4.342.3%307
55.4%
 Vajolet 2.032661+24−2451.2%−11.933.8%562
52.0%
 Pawny 1.0 64-bit2660+17−1748.4%+9.138.0%1120
49.4%
 RedQueen 1.1.97 64-bit2660+17−1748.5%+10.232.6%1132
50.1%
 Scorpio 1.912660+14−1445.2%+32.136.8%1863
52.6%
 Bobcat 2.75 32-bit2659+24−2447.7%+15.136.9%558
50.1%
 Igel 1.4.1 64-bit2659+27−2749.1%+4.231.2%468
54.8%
57‑58Floyd 0.9 64-bit2657+15−1549.3%+4.429.6%1644
50.0%
57‑58Minic 0.47 64-bit2657+30−3051.7%−16.028.8%392
52.6%
 tomitankChess 2.0 64-bit2656+18−1851.9%−15.832.6%1105
54.2%
 Glaurung 1.2.1 32-bit2655+16−1646.4%+23.433.6%1265
49.4%
 Scorpio 2.02b2655+30−3047.3%+17.237.2%355
53.7%
59Asymptote 0.5 64-bit2653+26−2656.0%−40.632.6%484
49.9%
 RedQueen 1.1.4 64-bit2653+28−2849.8%+1.135.3%414
49.4%
 RuyDos 1.0.2 64-bit2653+28−2846.0%+25.141.3%414
52.4%
 Arasan 14.1 64-bit2652+32−3251.8%−11.236.0%308
49.6%
 Scorpio 2.0 32-bit2652+17−1745.7%+30.533.8%1244
50.5%
 Scorpio 2.1 32-bit2652+34−3449.1%+4.838.2%280
53.0%
 Winter 0.2 64-bit2651+18−1855.8%−47.724.7%1242
52.8%
 Leela Chess 0.10 w323 64-bit2650+19−1952.0%−16.725.0%1062
54.9%
60Cyrano 0.6b17 32-bit2648+14−1448.5%+9.340.7%1613
51.5%
 Cyrano 0.6b17 64-bit2648+22−2248.5%+8.937.1%688
48.1%
 GreKo 2018.02 64-bit2648+24−2451.7%−10.936.4%585
50.7%
 Igel 1.5.1 64-bit2646+149−15245.8%+24.041.7%12
50.1%
 Laser 0.2.1 64-bit2646+24−2453.4%−19.948.3%544
52.8%
 Bobcat 20110414 64-bit2645+30−3052.4%−17.234.0%356
49.8%
 GreKo 2018.01 64-bit2645+27−2751.2%−11.031.9%454
50.4%
 Scorpio 1.812644+36−3648.3%+17.231.7%271
57.4%
 Scorpio 1.82641+20−2047.3%+18.135.7%861
50.4%
 Amoeba 1.2 64-bit2640+25−2453.2%−22.738.7%543
54.6%
 WyldChess 1.4 64-bit2638+24−2452.8%−18.933.9%579
52.7%
 RedQueen 1.0.0 32-bit2637+24−2451.6%−7.535.9%576
54.1%
 Cheng3 1.07 64-bit2636+21−2146.9%+19.130.6%810
47.9%
61DanaSah 7.32636+15−1549.4%+5.234.6%1597
50.4%
 Scorpio 2.05b2636+32−3250.5%−1.940.8%306
51.3%
 Bagatur 1.7 64-bit2635+23−2359.3%−61.137.2%619
50.6%
 tomitankChess 2.1 64-bit2635+22−2247.7%+13.834.6%710
52.1%
 Glaurung 1.0.2 32-bit2634+17−1747.4%+20.432.0%1209
60.3%
 Crafty 23.0 32-bit2630+29−2949.9%+1.441.3%380
53.1%
62Delfi 5.12629+25−2646.3%+23.333.9%522
51.4%
 Cheng3 1.07 32-bit2628+26−2646.3%+24.332.1%505
52.8%
 Igel 1.2 64-bit2627+19−1948.7%+7.828.9%926
52.5%
 Glaurung 1.1 32-bit2626+33−3348.8%+10.132.1%324
48.5%
 Igel 1.1 64-bit2626+26−2648.0%+13.433.5%502
54.0%
63NoraGrace 2.0 64-bit2625+16−1650.9%−8.427.9%1497
49.2%
 RedQueen 1.1.1 64-bit2625+28−2848.3%+12.731.4%436
51.5%
 RedQueen 1.0.0 64-bit2624+32−3248.2%+11.233.7%312
52.9%
 Arasan 13.4 32-bit2623+30−3049.7%+1.134.8%374
55.0%
 Ethereal 8.02 64-bit2620+31−3152.1%−15.427.3%359
49.8%
 Tucano 3.00 64-bit2620+24−2448.1%+12.437.2%562
51.8%
 Bison 9.62619+23−2351.3%−13.433.9%635
49.6%
 Scorpio 2.9 MCTS+NN 64-bit2619+21−2149.6%+0.725.4%808
53.1%
64Phalanx XXV2618+15−1549.7%+1.732.6%1457
54.5%
 DanaSah 7.02617+26−2651.3%−10.337.8%479
50.3%
 Arasan 14.1 32-bit2616+33−3349.0%+5.033.3%309
51.9%
65K2 0.912616+16−1650.3%−2.732.9%1390
48.3%
 Topple 0.3.3 64-bit2616+20−2053.3%−23.230.3%862
53.0%
 RubiChess 1.0 64-bit2615+21−2145.2%+30.539.2%727
52.5%
 Bison 9.8 32-bit2614+33−3349.7%+0.132.9%301
51.9%
66Caligula 0.9g2613+28−2756.8%−49.126.5%464
54.1%
 Ethereal 8.12 64-bit2611+26−2651.9%−11.931.4%509
49.3%
 GreKo 2015-ML 64-bit2611+25−2549.2%+3.737.7%501
51.0%
67Sloppy 0.2.2 64-bit2611+16−1648.7%+4.532.7%1276
56.1%
 Arasan 13.2 32-bit2608+32−3251.0%−6.038.5%312
48.7%
 GreKo 2015 64-bit2608+22−2251.3%−10.137.8%680
54.9%
 Monolith 0.4 64-bit2607+19−1949.9%−0.736.9%876
54.9%
 DanaSah 6.502605+22−2249.7%+0.736.0%691
48.7%
68Donna 4.0 64-bit2605+15−1550.2%−1.836.3%1432
50.4%
 Donna 4.1 64-bit2605+17−1747.3%+18.531.7%1191
53.3%
 GreKo 12.8 64-bit2604+30−3050.7%−7.335.5%358
49.8%
 Scorpio 1.72604+32−3249.7%−0.238.1%310
51.5%
 Rodent 0.16 64-bit2603+31−3147.7%+16.933.9%354
51.7%
 DanaSah 6.802602+27−2850.5%−2.440.3%412
53.0%
 Arasan 13.0 64-bit2600+30−3051.0%−6.226.6%384
53.0%
 Delfi 5.02599+20−2047.5%+15.337.1%805
51.2%
 Ethereal 8.05 64-bit2599+28−2848.1%+11.733.5%430
49.1%
 Sloppy 0.2.2 32-bit2599+14−1448.1%+12.037.8%1775
58.5%
69Nawito 18122596+24−2448.7%+8.933.5%576
50.9%
 Arasan 13.2 64-bit2595+33−3348.4%+11.233.1%308
53.7%
 Crafty 22.8 32-bit2593+33−3347.9%+12.736.1%305
52.6%
 GreKo 2016 64-bit2592+21−2247.6%+17.038.6%697
52.9%
70CuckooChess 1.12 32-bit2591+26−2648.5%+10.630.2%503
52.0%
 tomitankChess 1.5 64-bit2590+23−2350.2%−1.934.0%611
53.3%
 GreKo 12.1 64-bit2588+31−3152.5%−19.431.6%354
50.0%
 RedQueen 0.9.8 64-bit2588+34−3450.7%−4.827.6%301
51.7%
 Booot 4.13.12587+28−2849.4%+1.739.9%404
53.2%
 Ethereal 7.78 64-bit2586+25−2552.5%−16.632.1%549
50.0%
 RedQueen 1.1.1 32-bit2586+33−3350.6%−0.835.7%308
53.9%
71Brutus 8.05 64-bit2584+22−2249.0%+5.633.5%671
50.0%
 Nawito 1.1d2584+28−2850.2%−2.936.7%401
51.7%
 K2 0.872583+18−1749.0%+5.834.7%1102
53.1%
 Asymptote 0.4.2 64-bit2582+18−1850.0%+0.726.9%1076
52.6%
 Arasan 13.1 32-bit2581+32−3347.8%+13.936.8%302
49.8%
 Crafty 22.4 32-bit2581+32−3248.2%+10.737.3%308
50.4%
 Marvin 2.1.0 64-bit2581+26−2747.1%+21.833.3%480
53.1%
 Cheng3 1.04 32-bit2579+33−3351.0%−7.834.4%302
50.3%
 GreKo 12.9 64-bit2579+29−2946.1%+26.333.1%396
48.7%
 Minic 0.40 64-bit2579+20−2050.8%−6.128.4%908
56.4%
 RedQueen 0.9.8 32-bit2577+22−2249.6%+4.927.7%730
53.4%
72Delocto 0.6 64-bit2576+16−1645.7%+29.440.3%1323
53.1%
 Rodent 0.15 64-bit2574+32−3250.5%−1.837.9%301
53.6%
 Tucano 2.00 64-bit2572+31−3146.7%+21.637.9%335
54.5%
 Bobcat 20110414 32-bit2570+32−3249.7%−0.041.5%301
49.2%
 GNU Chess 5.07.153b 64-bit2570+23−2350.2%−2.132.1%657
52.3%
 DanaSah 5.072569+17−1749.9%−0.737.2%1191
50.6%
 GreKo 12.5 64-bit2569+33−3350.7%−7.030.5%305
50.5%
 Scorpio 2.2 32-bit2569+29−2946.4%+24.735.4%407
51.6%
 Minic 0.43 64-bit2568+29−2946.3%+24.431.2%394
52.3%
 Brutus 8.05 32-bit2567+17−1749.1%+3.636.8%1142
51.3%
 Arasan 11.6 64-bit2566+27−2747.5%+18.027.9%456
51.8%
 Arasan 12.3 32-bit2565+24−2446.8%+23.830.0%587
50.1%
 CuckooChess 1.11 32-bit2565+29−2950.4%−2.634.1%384
51.2%
 Cyrano 0.52565+33−3350.7%−4.737.1%302
48.8%
 GreKo 13.1 64-bit2565+30−3046.7%+20.440.3%347
57.3%
 Bobcat 20110220 32-bit2561+33−3348.3%+10.234.9%301
52.9%
 Carballo 1.5 64-bit2560+24−2452.4%−17.134.2%573
48.8%
 Cheng3 1.06 32-bit2560+30−3146.7%+20.136.3%347
52.0%
 Cheng3 1.05 32-bit2559+32−3248.0%+14.733.6%324
50.9%
 Zurichess Glarus 64-bit2559+27−2749.2%+2.137.6%447
50.9%
 Arasan 11.7 32-bit2558+32−3249.2%+6.036.0%308
55.5%
 Arasan 12.0 64-bit2555+23−2346.3%+25.332.2%668
49.7%
 DanaSah 4.882555+22−2250.5%−3.133.9%676
49.8%
 RedQueen 0.9 64-bit2555+39−3952.7%−22.521.3%240
50.2%
 tomitankChess 1.4 64-bit2555+23−2352.7%−18.334.5%632
58.0%
 RubiChess 0.9 64-bit2552+22−2251.9%−17.833.0%718
51.7%
 Arasan 12.1 64-bit2551+35−3547.7%+17.425.9%282
49.7%
 DanaSah 5.002551+29−2948.5%+9.532.2%395
51.7%
 Pirarucu 2.1.1 64-bit2550+28−2851.9%−15.929.6%450
52.8%
 Crafty 21.6 32-bit2549+34−3447.8%+13.030.1%302
49.1%
 WyldChess 1.3 64-bit2549+29−2951.7%−13.235.2%384
58.6%
 GreKo 9.7 64-bit2545+32−3248.9%+4.639.7%307
53.8%
73Betsabe II 1.842543+15−1548.0%+15.625.8%1689
51.0%
 Crafty 21.5 32-bit2542+32−3248.3%+13.828.5%344
51.8%
 DanaSah 4.662541+26−2648.1%+11.935.2%475
50.9%
 GreKo 12.0 64-bit2541+25−2548.2%+13.430.7%541
51.2%
 DanaSah 4.602540+25−2548.5%+10.835.1%513
50.4%
 Tucano 1.042540+30−3047.2%+17.636.5%359
54.5%
 Crafty 22.0 32-bit2538+33−3348.5%+9.431.9%304
51.4%
 Phalanx XXIV2537+20−2048.7%+7.427.3%887
54.0%
74Maverick 1.5 64-bit2536+14−1450.7%−8.029.8%1741
49.9%
 Rodent 0.102536+33−3351.0%−9.531.4%303
49.0%
 chess22k 1.3 64-bit2536+25−2553.4%−25.826.4%584
55.9%
 Caligula 0.82534+20−2049.1%+6.526.3%938
52.7%
 Carballo 1.4 64-bit2533+27−2652.6%−19.430.9%492
49.3%
 K2 0.832533+27−2751.7%−12.233.3%474
51.3%
 Arasan 11.6 32-bit2532+33−3351.8%−12.332.6%304
50.3%
 Marvin 2.0.0 64-bit2532+22−2252.5%−19.230.2%728
52.9%
 Arasan 12.1 32-bit2531+32−3351.4%−12.327.3%326
50.1%
 CuckooChess 1.102531+31−3151.5%−12.034.5%330
50.3%
 Fridolin 2.00 64-bit2530+16−1649.7%+1.032.5%1435
61.8%
 DanaSah 4.242527+17−1751.5%−10.736.9%1128
56.2%
 Bagatur 1.5f 64-bit2525+18−1848.6%+10.133.3%1027
56.5%
 Bagatur 1.6c 64-bit2523+22−2250.6%−3.729.8%736
54.0%
 Arasan 10.0 32-bit2520+34−3451.4%−11.030.1%289
52.6%
 Hakkapeliitta 1.0 64-bit2519+27−2748.3%+10.831.3%480
52.9%
 Donna 3.1 64-bit2518+28−2849.4%+4.733.4%434
49.0%
 EXchess 6.10b 32-bit2518+33−3249.4%+3.832.5%314
52.9%
 Crafty 20.14 32-bit2517+27−2747.4%+19.333.4%482
49.0%
 GreKo 10.0 64-bit2517+32−3251.1%−6.540.8%306
51.4%
 Bagatur 1.5e 64-bit2516+21−2250.7%−3.835.7%722
50.8%
 DanaSah 5.062516+33−3349.7%+0.334.6%309
52.6%
 Brutus 7.02b2515+18−1852.0%−16.335.4%994
49.7%
75FrankWalter 2.3.5 64-bit2515+26−2647.3%+19.827.4%526
49.8%
 GreKo 10.3.1 64-bit2515+33−3350.3%−2.829.6%304
53.5%
 DanaSah 4.452513+29−2949.9%+1.638.4%378
52.8%
 Ethereal 7.70 64-bit2511+31−3147.1%+16.027.9%365
55.0%
 Floyd 0.8 64-bit2509+23−2351.7%−14.824.9%662
52.1%
 Betsabe II 1.752508+22−2251.8%−14.423.3%730
49.6%
 CuckooChess 1.092508+33−3351.6%−12.626.8%317
50.6%
 Kiwi 0.6d 64-bit2508+84−8062.5%−91.017.9%56
49.9%
 Maverick 1.0 64-bit2508+26−2552.2%−17.831.5%521
50.7%
 Crafty 20.13 32-bit2507+33−3347.8%+16.734.1%302
52.9%
 WyldChess 1.1 64-bit2506+29−2946.1%+24.436.4%398
58.6%
 Asymptote 0.3 64-bit2502+17−1754.4%−35.328.3%1217
50.3%
 DanaSah 4.372502+33−3349.0%+6.638.2%301
49.5%
 GreKo 10.2 64-bit2502+31−3247.8%+16.530.5%341
50.7%
 Pawny 0.3.1 32-bit2502+33−3348.9%+7.928.7%310
51.0%
76MadChess 2.2 64-bit2501+17−1649.4%+4.133.1%1254
52.3%
 Arasan 11.3 32-bit2500+33−3448.7%+8.130.9%301
50.2%
 Cheng3 1.03 64-bit2500+33−3348.0%+11.531.4%306
50.0%
 Crafty 20.11 32-bit2500+34−3449.8%+3.330.6%301
52.9%
 Arasan 10.32499+24−2445.5%+32.230.8%614
59.6%
 Winter 0.1.1 64-bit2495+21−2149.8%−1.028.9%764
52.6%
 Cheng3 1.03 32-bit2493+33−3350.0%−0.831.2%308
53.2%
77Pepito 1.59 64-bit2492+18−1748.7%+6.035.1%1085
50.9%
 K2 0.752491+23−2352.4%−18.232.8%634
51.9%
 GreKo 8.0 64-bit2490+27−2750.6%−3.031.9%464
51.2%
 GreKo 9.2 32-bit2490+33−3349.5%+2.533.2%298
49.4%
 Pawny 0.3 64-bit2490+33−3349.0%+4.728.9%304
53.6%
 Bagatur 1.5g 64-bit2488+27−2741.1%+64.226.9%491
51.6%
 Arasan 11.4 32-bit2487+34−3449.0%+8.428.5%305
50.7%
 GreKo 8.2 32-bit2487+26−2649.1%+5.533.8%506
52.5%
 DoubleCheck 3.1 32-bit2486+34−3451.2%−9.825.0%300
53.7%
 GreKo 8.1.1 64-bit2483+36−3648.1%+12.237.1%240
52.5%
 Arasan 10.2 32-bit2482+25−2545.2%+36.527.5%582
50.0%
 Zurichess Geneva 64-bit2482+27−2747.0%+19.135.2%466
50.6%
 Pepito 1.59 32-bit2481+24−2449.6%+1.634.0%583
55.4%
 Arasan 12.2 64-bit2478+37−3740.4%+72.518.9%275
50.0%
78Drosophila 1.5.1 64-bit2478+17−1748.8%+8.928.6%1316
51.2%
 MadChess 2.1 64-bit2478+26−2552.8%−18.931.1%518
52.7%
79BBChess 1.3b2477+25−2450.4%−2.238.2%537
51.9%
 Pawny 0.3.1 64-bit2476+23−2346.7%+21.432.4%627
58.2%
 BBChess 1.3a2472+25−2551.6%−12.230.5%528
53.6%
 Arasan 10.42471+20−2145.5%+32.330.0%850
58.9%
 WyldChess 1.2 64-bit2467+26−2646.3%+25.332.9%502
53.8%
80Lozza 1.18 64-bit2465+17−1747.7%+16.733.2%1141
58.9%
 Betsabe II 1.662462+22−2246.7%+24.628.4%718
51.2%
 Carballo 1.32462+25−2547.4%+17.731.0%561
51.9%
 Pawny 0.3 32-bit2461+33−3349.2%+3.534.3%303
50.9%
 Donna 2.1 64-bit2460+27−2750.2%−1.128.6%465
49.9%
 Donna 3.0 64-bit2460+32−3348.7%+12.331.4%318
50.3%
 GreKo 7.2 64-bit2460+30−3053.4%−25.129.9%364
51.6%
81Nemeton 1.82459+18−1852.3%−18.127.0%1150
50.5%
 RubiChess 0.8 64-bit2459+26−2652.4%−19.134.8%503
55.3%
 Bagatur 1.4d 64-bit2457+24−2448.9%+8.331.8%582
51.3%
 Carballo 1.22456+24−2453.8%−24.329.5%600
49.9%
 Topple 0.2.1 64-bit2456+18−1846.2%+28.522.1%1244
55.0%
 Bagatur 1.4e 64-bit2454+30−3049.2%+8.334.6%370
53.5%
 Nemeton 1.512452+22−2249.8%−0.128.8%732
53.3%
 Arasan 9.52451+36−3647.5%+14.423.8%281
50.5%
 Cyrano 0.32450+34−3449.2%+4.923.8%311
52.0%
 GreKo 8.0 32-bit2449+29−2950.6%−3.529.7%411
57.7%
 FrankWalter 2.3.3 64-bit2446+20−2047.8%+14.728.6%867
53.7%
 Cheng3 1.02b2444+34−3450.5%−6.730.1%302
51.9%
 Betsabe II 1.472443+20−2049.9%+1.825.3%902
49.8%
 Lozza 1.17a 64-bit2443+17−1848.1%+11.433.7%1113
50.2%
 Zurichess Fribourg 64-bit2443+29−2951.7%−11.231.6%393
52.3%
 Bagatur 1.4b 64-bit2441+32−3249.5%+5.438.0%308
52.3%
 K2 0.792440+29−2947.6%+17.531.1%396
49.4%
82‑83Teki 2 64-bit2440+18−1849.9%+0.223.5%1181
50.4%
82‑83Typhoon 1.00-3482440+33−3348.6%+10.929.0%317
51.8%
 Arasan 10.12439+28−2845.5%+38.028.5%480
52.2%
 Nemeton 1.62438+24−2446.1%+27.032.3%594
55.9%
84Taltos rev118 64-bit2436+20−2052.0%−15.126.5%926
53.7%
 Critter 0.382434+32−3251.1%−8.933.4%320
49.3%
 Typhoon 1.00-3582434+17−1748.2%+12.231.1%1220
54.1%
 Murka 2 32-bit2433+30−3047.4%+18.126.3%400
49.0%
 RedQueen 0.7.5 64-bit2433+34−3451.0%−9.529.0%290
59.1%
 DanaSah 3.632428+27−2748.4%+10.532.3%477
49.3%
 GreKo 7.2 32-bit2428+33−3348.4%+10.135.5%304
54.5%
 Arasan 9.22426+34−3446.1%+27.730.9%304
50.5%
 Betsabe II 1.30 64-bit2425+23−2348.8%+7.826.5%706
52.1%
 Nemeton 1.612424+28−2847.3%+18.232.3%421
56.8%
 DanaSah 2.852421+33−3349.0%+8.133.8%305
53.8%
85Kiwi 0.6d 32-bit2419+19−1948.3%+9.827.0%975
52.7%
 K2 0.712418+28−2851.4%−9.927.6%439
48.3%
 Nemeton 1.72418+18−1849.6%+1.025.2%1141
53.6%
 Monolith 0.3 64-bit2417+24−2447.0%+19.334.6%592
50.5%
 Pawny 0.2 64-bit2417+29−2947.0%+23.722.6%429
49.8%
86RomiChess P3n 64-bit2417+15−1548.4%+11.235.1%1597
61.0%
87‑88Bitfoot 1.0.d9aeb43 64-bit2412+27−2748.0%+15.327.6%468
51.7%
87‑88Ifrit m1.8 64-bit2412+18−1848.8%+9.628.6%1145
48.4%
 Pawny 0.2.2 32-bit2412+34−3448.8%+9.228.6%301
53.0%
 Typhoon 1.00-3142411+34−3450.2%−0.523.0%305
50.7%
89Diablo 0.5.12410+18−1848.7%+8.932.3%1072
59.8%
 RomiChess P3k 32-bit2407+19−1949.2%+5.233.0%906
61.7%
90‑91Amy 0.87b2402+24−2449.4%+7.125.7%610
50.9%
 Cyrano 0.2f2402+32−3248.4%+13.732.9%316
49.1%
 Pawny 0.2.1 32-bit2402+31−3147.1%+20.225.5%373
51.1%
90‑91Simplex 0.9.8 64-bit2402+18−1847.9%+13.424.8%1124
53.0%
 RomiChess P3L 64-bit2401+23−2350.0%−0.231.3%643
51.2%
 Pawny 0.2 32-bit2400+29−2949.2%+5.530.8%396
52.9%
 Pawny 0.1.9 64-bit2398+34−3447.2%+18.827.1%306
52.2%
 Lozza 1.16 64-bit2397+25−2549.0%+8.033.5%526
50.2%
 Simplex 0.9.8 32-bit2397+30−3049.0%+5.631.2%359
53.2%
 Maverick 0.60 64-bit2395+33−3349.3%+5.328.3%307
52.9%
 Phalanx XXII2394+24−2450.1%−1.423.5%595
69.7%
92Galjoen 0.39 64-bit2386+17−1751.3%−5.626.7%1241
53.1%
93Thor's Hammer 2.28 32-bit2385+23−2449.0%+7.730.0%624
51.7%
94Jazz 721 64-bit2384+20−2048.8%+8.028.2%859
51.9%
 DoubleCheck 2.5.4 32-bit2383+33−3350.5%−3.628.6%318
52.0%
 RomiChess P3L 32-bit2382+33−3346.3%+28.433.4%314
53.8%
95Zevra 2.1.1 r216 64-bit2380+19−1951.8%−14.726.4%1016
52.8%
 Betsabe II 1.28 64-bit2379+34−3450.2%+1.124.8%310
50.1%
 GreKo 6.302378+33−3348.0%+14.231.6%307
57.2%
 Carballo 1.1.12374+32−3247.5%+19.427.4%340
49.6%
 Ifrit m1.5 32-bit2374+28−2846.6%+24.629.0%445
55.0%
 Typhoon 1.00-2852372+35−3549.5%+2.419.4%304
51.2%
 GreKo 7.02371+28−2846.3%+28.627.8%454
53.3%
 MadChess 2.0 64-bit2369+22−2251.0%−7.925.5%753
53.1%
 GreKo 6.252368+33−3348.0%+13.231.8%302
51.2%
 RedQueen 0.7 64-bit2367+35−3556.0%−43.725.5%298
55.9%
 GreKo 6.52364+26−2648.9%+7.031.5%495
49.2%
 Phalanx XXIII2364+32−3246.3%+24.124.8%351
55.0%
 Topple 0.1.1 64-bit2361+24−2455.7%−48.116.7%690
58.7%
 Donna 1.0 64-bit2357+29−2946.9%+23.028.2%408
50.0%
 RomiChess P3m 64-bit2357+28−2845.4%+33.931.7%439
55.7%
 K2 0.672355+23−2353.0%−20.329.8%657
48.5%
 Nemeton 1.412355+25−2547.6%+18.733.7%514
52.0%
 Nemeton 1.32354+31−3152.1%−17.333.5%340
52.4%
 Typhoon 1.00-358 64-bit2353+34−3449.5%+3.921.7%318
56.9%
 GreKo 5.92349+24−2446.2%+29.429.4%613
55.5%
 Lozza 1.15 64-bit2347+25−2552.4%−17.134.2%530
53.3%
 Ifrit m1.6 32-bit2345+33−3347.1%+17.335.1%308
58.9%
96‑97Napoleon 1.8 64-bit2341+18−1851.9%−14.231.0%1081
48.8%
96‑97Xpdnt 0907042341+33−3351.8%−13.429.0%314
57.3%
 Jazz 840 64-bit2338+15−1548.2%+13.626.7%1560
49.9%
 Maverick 0.51 64-bit2338+22−2252.2%−14.623.9%744
52.7%
 Bagatur 1.4c 64-bit2336+34−3448.2%+12.125.2%306
52.8%
 Daydreamer 1.52335+22−2252.1%−18.734.3%722
59.7%
 Nemeton 1.12330+29−2947.5%+17.331.3%393
55.8%
98Amundsen 0.802328+17−1749.1%+6.829.2%1269
54.2%
 Bagatur 1.3a 64-bit2327+19−1951.9%−16.627.1%985
57.1%
 Simplex 0.9.7 32-bit2323+31−3148.6%+9.825.4%370
52.5%
99Googleplex Starthinker 1.4 64-bit2322+19−1957.4%−57.222.5%1136
67.3%
100Kingfisher 1.1.1 64-bit2315+27−2750.7%−1.841.6%442
52.0%
 Asymptote 0.2.0 64-bit2314+25−2548.7%+9.426.8%575
54.5%
 GreKo 5.52311+33−3350.7%−5.333.1%305
49.6%
 Nemeton 1.22311+26−2646.5%+22.728.3%508
52.8%
 NoraGrace 1.0 64-bit2310+30−3046.6%+22.823.2%414
61.6%
101CT800 1.34 64-bit2304+26−2746.1%+27.125.3%502
51.0%
 RubiChess 0.7 64-bit2304+25−2557.4%−55.228.2%575
52.5%
102Natwarlal 0.142303+19−1949.3%+4.825.3%1021
56.9%
103Sungorus 1.4 64-bit2300+18−1847.7%+15.822.4%1133
50.0%
 Xpdnt 0809272300+29−2951.2%−8.324.8%428
53.8%
 Brutus 6.12298+34−3447.5%+14.425.2%306
50.6%
 Floyd 0.7 64-bit2298+32−3251.4%−10.523.4%350
59.5%
104Absolute Zero 2.4.7.2 64-bit2293+15−1550.9%−7.722.7%1637
50.6%
 Nemeton 1.02293+30−3052.6%−18.127.4%383
50.1%
 Pawny 0.1.62293+33−3352.1%−15.524.4%328
51.1%
 Natwarlal 0.122292+34−3449.4%+7.826.6%308
55.8%
105Invictus r228 64-bit2290+19−1950.0%−0.721.2%1034
66.5%
 Galjoen 0.38 64-bit2283+23−2349.0%+7.023.6%726
56.9%
 Kingfisher 1.0 64-bit2280+28−2947.3%+18.642.1%385
50.8%
 Brutus 5.42279+34−3450.7%−4.129.1%302
54.1%
 GreKo 5.2.52277+35−3550.9%−8.727.0%289
54.8%
106Barbarossa 0.5.0 64-bit2274+20−2149.3%+5.921.6%888
59.5%
 Absolute Zero 2.4.4.0 64-bit2270+33−3348.0%+11.325.9%320
50.4%
 Zevra 1.8.6 r672 64-bit2269+21−2150.9%−9.125.9%862
66.9%
 CT800 1.32 64-bit2263+19−1947.1%+21.527.0%963
54.3%
 Jazz 444 64-bit2261+35−3548.7%+10.319.9%302
52.5%
 Sungorus 1.4 32-bit2260+21−2148.2%+11.926.5%820
60.1%
 CT800 1.30 64-bit2256+20−2053.6%−27.422.7%910
52.5%
 Sungorus 1.3 32-bit2255+34−3452.7%−16.824.3%301
51.6%
107Exacto 0.e 64-bit2254+18−1849.4%+3.932.8%1021
55.5%
108Beowulf 2.4a 64-bit2252+19−1950.1%−3.126.5%1033
51.9%
 Brutus 6.02251+35−3548.8%+5.622.6%301
50.1%
109RattateChess 1.0 Nosferatu2251+19−1950.0%+0.028.3%968
51.8%
 EXchess 5.01b 32-bit2250+29−2946.5%+21.631.2%401
51.4%
 Jazz 501 64-bit2249+32−3246.0%+24.927.3%352
53.9%
 MadChess 1.4 64-bit2247+21−2146.8%+21.827.8%784
50.2%
 Zevra 1.8.5 r664 64-bit2247+29−2955.8%−40.424.4%447
52.4%
 Lozza 1.14a 64-bit2246+29−2946.6%+26.828.4%426
57.1%
 Absolute Zero 2.4.0.0 64-bit2243+23−2347.6%+16.424.9%695
54.9%
110Weini 0.0.23 64-bit2241+19−1948.7%+9.917.3%1115
57.0%
111Feuerstein 0.4.6.12238+19−1949.1%+6.428.5%944
53.5%
 Betsabe II 1.08c2237+35−3549.2%+7.621.0%300
49.7%
 Hedgehog 1.99 64-bit2237+70−6952.7%−21.021.6%74
50.5%
 Pirarucu 1.9.2 64-bit2237+24−2450.6%−7.118.4%694
50.8%
 Robocide 0.4 64-bit2235+111−10856.7%−43.720.0%30
50.2%
 Zevra 1.8.4 r650 64-bit2235+26−2647.2%+23.628.2%507
56.7%
112KMTChess 1.2.1 64-bit2232+26−2649.5%+2.023.4%552
53.5%
113Dolphin 1.0 64-bit2230+18−1949.1%+5.224.4%1069
64.8%
 Vajolet 1.62.12223+34−3447.7%+12.128.4%310
54.1%
114Robocide 20170718 64-bit2221+17−1748.4%+11.724.7%1244
53.6%
115Joker2 0.7.7 64-bit2220+21−2147.6%+15.733.1%783
51.7%
 Bagatur 1.2d 32-bit2219+34−3446.8%+19.627.2%298
51.8%
 Beowulf 2.4a 32-bit2218+20−2053.8%−29.425.4%952
49.4%
 Ifrit j3.6 64-bit2218+32−3251.2%−8.126.2%336
53.2%
 CT800 1.12 64-bit2217+22−2253.2%−23.822.1%774
51.3%
 DoubleCheck 2.3.1 64-bit2216+35−3553.0%−19.524.8%286
49.3%
116SpaceDog 0.97.5.1 64-bit2216+20−2052.8%−20.921.8%992
56.0%
117ChessKISS 1.7c 64-bit2214+19−1948.6%+10.127.2%1005
55.0%
 MadChess 1.3 64-bit2212+35−3548.0%+14.920.5%302
48.3%
 Weini 0.0.24 64-bit2212+21−2152.7%−20.624.0%849
56.1%
 ChessKISS 1.7 64-bit2210+20−2047.9%+12.229.3%881
49.5%
118ZCT 0.3.24512210+27−2749.4%+4.425.5%478
52.2%
 Betsabe II 1.09c2209+34−3448.2%+12.119.8%308
52.6%
119Baislicka 1.0 64-bit2208+20−2047.5%+18.125.2%928
49.8%
 SpaceDog 0.97.7 64-bit2208+108−10753.3%−14.926.7%30
50.7%
 Napoleon 1.6.0b 64-bit2207+31−3146.7%+22.431.5%349
53.8%
 Jazz 501 32-bit2205+29−2952.5%−17.928.5%418
57.7%
 RattateChess Bologna 20072201+25−2551.3%−9.525.0%588
53.9%
120Dorpsgek Eve's Temptation 64-bit2200+15−1549.4%+5.023.7%1749
57.0%
 Zevra 1.8.2 r612 64-bit2197+30−3045.5%+31.627.6%388
51.5%
 Carballo 0.82196+22−2247.2%+19.230.6%706
53.4%
 Dorpsgek Dillinger 64-bit2195+18−1848.6%+9.824.2%1130
49.5%
 Jazz 444 32-bit2195+32−3250.3%−3.125.2%353
58.0%
121‑122GopherCheck 0.2.3 64-bit2191+19−1949.5%+3.931.3%921
51.1%
121‑122NG-Play 9.85 64-bit2191+29−2946.1%+27.627.3%410
54.7%
 Amundsen 0.65.12188+34−3448.7%+7.823.9%305
49.8%
 EXchess 5.04b 64-bit2188+29−2947.1%+27.321.9%424
50.8%
 NG-Play 9.87 64-bit2188+18−1847.1%+19.725.5%1143
50.5%
 Feuerstein 0.4.5.22187+37−3749.2%+9.224.7%255
54.4%
 K2 0.572185+34−3446.2%+27.325.5%302
58.2%
123Prophet 2.0 64-bit2180+29−2951.2%−10.125.4%410
52.6%
 Asymptote 0.1.8 64-bit2179+22−2253.8%−29.316.6%820
51.6%
 RedQueen 0.62178+30−3045.8%+29.419.7%406
55.6%
 CT800 1.20 64-bit2175+29−2947.2%+17.923.1%432
50.0%
124Clever Girl r160 64-bit2175+22−2248.5%+7.123.8%790
50.4%
 Feuerstein 0.4.62175+38−3850.6%−2.218.5%259
52.8%
 Sungorus 1.22173+26−2652.4%−17.628.7%499
54.0%
 NG-Play 9.86 64-bit2171+22−2345.4%+33.225.8%720
52.4%
 Pawny 0.132170+32−3252.2%−17.420.1%363
53.5%
 Simplex 0.9.3 32-bit2168+34−3449.5%+3.925.7%303
58.3%
 Clever Girl r185 64-bit2163+24−2447.7%+16.928.9%598
54.0%
125Chesley r323 64-bit2162+23−2348.7%+8.720.8%712
54.4%
 Betsabe II 1.052159+34−3445.2%+33.724.2%314
51.8%
 Ifrit j3.8 64-bit2158+34−3545.9%+28.423.5%302
52.0%
126OliThink 5.1.92157+30−3046.6%+27.721.3%417
51.1%
 Bagatur 1.2b 32-bit2156+33−3446.2%+28.829.1%306
50.4%
 Chesley r323 32-bit2156+24−2549.0%+8.221.0%625
57.7%
 Dorpsgek Cosmopolitan 2 64-bit2152+28−2845.5%+34.921.4%468
56.8%
 Ifrit j4.32149+28−2845.6%+30.629.4%428
61.0%
127Blitzkrieg rev337 64-bit2144+19−1947.2%+20.026.2%975
53.1%
 Maverick 0.2 64-bit2143+30−3046.2%+28.920.2%421
55.0%
 GopherCheck 0.2.2 64-bit2140+26−2646.2%+38.528.9%564
50.9%
 K2 0.43f2140+33−3348.2%+11.221.3%338
53.6%
 Prophet 2.0 32-bit2138+19−1949.3%+4.324.0%1025
54.8%
128Parrot 07.01.162136+31−3146.6%+25.421.1%394
49.3%
 Parrot 07.07.222136+19−1947.3%+19.723.0%1047
53.5%
 Napoleon 1.7 64-bit2135+21−2146.9%+21.821.9%859
52.9%
 Barbarossa 0.4.0 64-bit2134+17−1744.4%+44.519.8%1302
49.4%
129Tunguska 1.0 64-bit2134+21−2045.5%+37.126.1%866
52.5%
 Prophet3 20180811 64-bit2133+19−1954.6%−34.924.3%1096
68.7%
 Ifrit j4.22123+34−3445.5%+31.526.4%303
49.8%
 Napoleon 1.5.0 64-bit2123+26−2647.4%+19.424.2%533
66.5%
 MadChess 1.2 64-bit2115+26−2643.4%+46.025.4%540
55.7%
 ChessKISS 1.3a 32-bit2112+32−3347.0%+19.030.3%320
49.9%
130Cinnamon 2.2a 64-bit2112+22−2151.7%−12.026.0%778
54.6%
 DoubleCheck 2.1 32-bit2110+33−3348.1%+12.421.9%342
49.8%
 Napoleon 1.4.0 64-bit2110+32−3248.1%+11.419.8%374
66.4%
131King's Out 0.2.42 64-bit2102+23−2348.7%+11.815.9%744
51.7%
 Prophet3 20170909 64-bit2101+29−2948.4%+16.729.4%425
51.5%
 DoubleCheck 1.3.1 64-bit2100+40−4047.4%+21.517.9%234
55.3%
 Carballo 0.52097+23−2347.1%+19.921.9%694
59.6%
132Detroid 0.9.0 64-bit2093+18−1851.2%−10.714.6%1235
56.0%
133Freyr 1.068 64-bit2091+23−2361.9%−91.820.8%741
57.5%
134Gunborg 1.35 64-bit2088+21−2153.2%−18.828.4%790
63.5%
 Ifrit j2.92081+34−3448.2%+11.421.3%314
50.1%
135‑136Small Potato 0.7.0 64-bit2081+21−2153.6%−30.021.3%873
48.0%
135‑136Smash 1.0.3a 64-bit2081+23−2348.9%+10.522.7%714
52.9%
137AdroitChess 0.42080+24−2458.7%−77.514.5%752
50.9%
 Feuerstein 0.4.5.12080+38−3848.0%+12.325.8%248
53.2%
138Jabba 1.0 64-bit2078+22−2244.9%+38.621.8%751
56.6%
 Galjoen 0.36 64-bit2075+28−2844.5%+40.223.2%456
62.1%
139Hedgehog 1.9 64-bit2069+18−1943.9%+47.219.9%1175
61.2%
140Little Wing 0.5.0 64-bit2065+22−2248.2%+14.116.3%872
69.8%
141Vice 1.0 64-bit2057+25−2549.7%+2.820.7%608
51.6%
142Zeta Dva 0301 64-bit2056+28−2849.0%+9.529.4%446
61.3%
143Ecce 1.0 (rev. 508) 64-bit2051+21−2147.1%+22.518.6%893
53.5%
 ZCT 0.3.25002049+32−3246.2%+29.916.8%381
53.8%
144PLP 16615712047+22−2246.1%+28.224.3%760
52.1%
145‑146Goldfish 1.13.0 64-bit2046+21−2150.1%+1.826.8%838
50.5%
145‑146Squared-chess 1.3.0 64-bit2046+23−2352.4%−17.921.9%736
54.6%
 Jabba 1.0 32-bit2044+21−2144.8%+38.825.0%839
69.4%
 Cinnamon 2.0 64-bit2037+21−2143.8%+45.927.3%846
66.5%
147Cupcake 1.1a 64-bit2030+23−2352.7%−20.616.3%734
52.4%
 Barbarossa 0.3.0 64-bit2029+33−3345.2%+33.523.0%326
52.7%
148‑149Arabian Knight 1.55 64-bit2027+25−2546.7%+25.619.6%596
50.5%
148‑149Faile 1.4.42027+23−2355.2%−28.222.1%774
54.6%
150‑152Schola 1.1.0 64-bit2025+23−2350.2%−1.622.7%718
49.0%
150‑152Slibo 0.5.12025+26−2645.5%+34.119.4%573
50.5%
150‑152Wuttang r2 64-bit2025+18−1848.4%+9.422.7%1174
88.3%
 Smash 1.0.3 64-bit2006+27−2746.8%+22.924.1%518
60.7%
153BibiChess 0.52001+24−2545.7%+31.426.5%607
56.1%
154Snowy 0.2 64-bit1998+26−2651.5%−12.319.0%554
55.0%
 Cupcake 1.01995+31−3145.5%+31.622.7%401
55.0%
 Schola 1.1.0 32-bit1993+26−2645.6%+32.025.1%514
68.1%
 AdroitChess 0.31984+25−2544.2%+46.118.5%626
51.6%
 Zeta Dva 0305 64-bit1983+23−2446.7%+23.921.8%688
60.2%
 Squared-chess 1.2.0 64-bit1979+22−2248.5%+11.619.1%852
50.0%
 Zeta Dva 0220 64-bit1979+29−2946.7%+25.717.3%475
64.9%
 Zeta Dva 0306 64-bit1972+22−2248.6%+10.418.5%816
61.9%
 Zeta Dva 0310 64-bit1967+20−2046.9%+22.218.1%926
54.8%
155Dabbaba 5.671965+25−2545.5%+33.826.4%557
53.7%
156BeLL 0.0.41 64-bit1964+22−2250.1%−1.224.5%722
63.8%
157Sissa 2.01958+23−2353.1%−22.830.1%678
53.3%
 Zeta Dva 0303 64-bit1956+38−3937.6%+95.922.8%259
51.1%
158Monik 2.2.3 32-bit1955+30−3044.4%+39.527.1%395
51.6%
 Feuerstein 0.4.4.21954+28−2941.2%+92.318.7%518
52.5%
159Wowl 1.3.81953+26−2745.4%+35.513.3%573
54.4%
 Smash 1.0.31951+26−2640.8%+74.217.8%574
51.5%
 Monik 2.2.6 64-bit1950+15−1547.9%+14.719.7%1706
52.9%
 Monik 2.2.3 64-bit1949+23−2346.3%+35.822.5%716
56.8%
160Franky 1.0 64-bit1946+25−2548.8%+8.313.3%640
58.7%
161Micro-Max 4.8 (DM-PII)1943+20−2048.3%+12.326.1%865
57.5%
 Dabbaba 6.521940+22−2248.6%+11.120.3%777
64.1%
162Eia 0.31934+20−2047.1%+22.924.4%914
71.3%
 Wowl 1.3.71925+25−2546.8%+24.911.7%630
64.2%
163Presbyter 1.3.0 64-bit1918+25−2542.2%+56.016.5%638
65.9%
 Carballo 0.41910+32−3335.8%+103.434.8%342
54.5%
 Dabbaba 7.491908+12−1247.8%+16.719.9%3152
52.7%
 Jabba 130320121906+31−3139.1%+98.116.7%442
59.4%
164ChessterfieldCL i5a1902+24−2440.6%+73.720.4%658
55.3%
165Deepov 0.4.1 64-bit1899+24−2444.1%+46.617.3%677
64.3%
 Micro-Max 4.81892+28−2836.7%+103.124.7%493
49.6%
166Sapeli 1.02 64-bit1892+21−2247.9%+15.520.4%796
81.7%
167CDrill 1800 build 41878+23−2441.4%+73.115.5%741
83.8%
 DoubleCheck 1.0 64-bit1854+40−4127.8%+188.317.6%279
73.4%
168Sayuri 2018.03.06 64-bit1838+26−2642.8%+57.416.0%600
53.8%
169Pigeon 1.5.1 64-bit1837+27−2740.5%+69.526.1%502
70.5%
170Apollo 1.2.1 64-bit1827+22−2154.3%−33.719.0%832
73.3%
171Chenard 2018.03.06 64-bit1818+19−1949.3%+5.717.0%1143
59.0%
172RataAeroespacial 0.2.11816+13−1342.5%+63.812.9%2478
100.0%
173Shallow Blue 2.0.0 64-bit1712+22−2252.1%−19.618.6%776
90.5%
174TSCP 1.811693+20−2047.4%+21.417.0%1072
70.2%
175AdaChess 3.4 64-bit1685+23−2349.3%+6.821.5%708
69.1%
176Spartan 1.01676+25−2563.5%−103.721.2%624
67.4%
177Philemon C1668+25−2562.3%−95.122.0%626
59.4%
178VanillaChess 2.6g1664+25−2561.5%−89.620.2%624
99.6%
179Pulse 1.6.1 64-bit1616+21−2142.4%+65.714.3%928
84.2%
180Bullitchess 1.0 64-bit1598+25−2452.2%−19.419.1%628
85.5%
181Casper rev4 64-bit1580+24−2450.2%−2.523.9%624
60.5%
182PolarChess 1.31575+25−2549.3%+3.616.9%629
56.0%
183Darky 0.5d1572+24−2443.6%+55.420.9%675
84.2%
 Shallow Blue 1.1.0 64-bit1557+18−1840.5%+87.614.5%1355
90.0%
184Cicada 0.1 64-bit1538+24−2544.1%+47.619.7%636
65.6%
185MSCP 1.6h1531+25−2544.0%+50.015.1%628
99.8%
186Apep 1.011480+25−2541.2%+72.310.1%683
79.3%
187Saruman 2017.08.10 64-bit1467+18−1830.7%+151.827.2%1249
99.5%
188Dreamer 0.3.0 64-bit1427+25−2633.9%+121.716.9%640
99.8%
189BACE 0.461379+23−2421.5%+256.99.8%1027
 

Results matrix

Open source 1-2-CPU engines (best versions only), top 12
#NameElo1
Stock
2
Ether
3
Xipho
4
Laser
5
Booot
6
Andsc
7
Gull
8
Arasa
9
Vajol
10
Nemor
11
Texel
12
IvanH
1Stockfish 10 64-bit3389 46 − 20
+26−0=40
−38		41.5 − 14.5
+27−0=29
−4		45.5 − 14.5
+32−1=27
−10		151.5 − 36.5
+116−1=71
+17		107 − 22
+85−0=44
+25		145.5 − 24.5
+122−1=47
−4		  66.5 − 7.5
+60−1=13
+34		  
2Ethereal 11.25 64-bit323920 − 46
+0−26=40
+38		 26 − 30
+5−9=42
−19		34.5 − 25.5
+11−2=47
+13		35.5 − 30.5
+13−8=45
−17		34.5 − 31.5
+11−8=47
−41		27 − 9
+18−0=18
+33		 29.5 − 10.5
+20−1=19
+9		   
3Xiphos 0.5 64-bit323914.5 − 41.5
+0−27=29
+4		30 − 26
+9−5=42
+19		 30 − 26
+10−6=40
−4		45 − 35
+19−9=52
−4		32 − 24
+14−6=36
−16		22 − 12
+11−1=22
−38		 22.5 − 7.5
+17−2=11
+27		   
4Laser 1.7 64-bit321514.5 − 45.5
+1−32=27
+10		25.5 − 34.5
+2−11=47
−13		26 − 30
+6−10=40
+4		 40.5 − 43.5
+13−16=55
−23		35 − 25
+18−8=34
+14		24.5 − 11.5
+17−4=15
+19		 22.5 − 7.5
+18−3=9
+59		   
5Booot 6.3.1 64-bit320136.5 − 151.5
+1−116=71
−17		30.5 − 35.5
+8−13=45
+17		35 − 45
+9−19=52
+4		43.5 − 40.5
+16−13=55
+23		 31.5 − 26.5
+11−6=41
+6		31.5 − 18.5
+17−4=29
−6		 19 − 11
+8−0=22
−33		13.5 − 6.5
+9−2=9
−5		3 − 1
+2−0=2
+30		 
6Andscacs 0.95 64-bit318522 − 107
+0−85=44
−25		31.5 − 34.5
+8−11=47
+41		24 − 32
+6−14=36
+16		25 − 35
+8−18=34
−14		26.5 − 31.5
+6−11=41
−6		 30 − 14
+19−3=22
+44		 21.5 − 8.5
+14−1=15
+48		26.5 − 17.5
+13−4=27
−39		25 − 17
+10−2=30
−61		 
7Gull 3 64-bit312024.5 − 145.5
+1−122=47
+4		9 − 27
+0−18=18
−33		12 − 22
+1−11=22
+38		11.5 − 24.5
+4−17=15
−19		18.5 − 31.5
+4−17=29
+6		14 − 30
+3−19=22
−44		 7.5 − 6.5
+2−1=11
+5		15 − 15
+8−8=14
−18		   
8Arasan 21.3 64-bit3109      6.5 − 7.5
+1−2=11
−5		 22 − 26
+10−14=24
−34		9 − 9
+5−5=8
−24		16.5 − 11.5
+10−5=13
+17		 
9Vajolet2 2.7 64-bit3099 10.5 − 29.5
+1−20=19
−9		7.5 − 22.5
+2−17=11
−27		7.5 − 22.5
+3−18=9
−59		11 − 19
+0−8=22
+33		8.5 − 21.5
+1−14=15
−48		15 − 15
+8−8=14
+18		26 − 22
+14−10=24
+34		 18.5 − 15.5
+8−5=21
+11		17.5 − 16.5
+9−8=17
−15		 
10Nemorino 5.00 64-bit30877.5 − 66.5
+1−60=13
−34		   6.5 − 13.5
+2−9=9
+5		17.5 − 26.5
+4−13=27
+39		 9 − 9
+5−5=8
+24		15.5 − 18.5
+5−8=21
−11		 24.5 − 20.5
+11−7=27
+10		 
11Texel 1.07 64-bit3074    1 − 3
+0−2=2
−30		17 − 25
+2−10=30
+61		 11.5 − 16.5
+5−10=13
−17		16.5 − 17.5
+8−9=17
+15		20.5 − 24.5
+7−11=27
−10		  
12IvanHoe 9.46h 64-bit3062            
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
Sto
2
Eth
3
Xip
4
Las
5
Boo
6
And
7
Gul
8
Ara
9
Vaj
10
Nem
11
Tex
12
Iva
1Stockfish 10 64-bit3389 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Ethereal 11.25 64-bit32390.0 48.398.7100.0100.0100.0100.0100.0100.0100.0100.0
3Xiphos 0.5 64-bit32390.051.7 98.4100.0100.0100.0100.0100.0100.0100.0100.0
4Laser 1.7 64-bit32150.01.31.6 92.499.9100.0100.0100.0100.0100.0100.0
5Booot 6.3.1 64-bit32010.00.00.07.6 97.5100.0100.0100.0100.0100.0100.0
6Andscacs 0.95 64-bit31850.00.00.00.12.5 100.0100.0100.0100.0100.0100.0
7Gull 3 64-bit31200.00.00.00.00.00.0 81.898.6100.0100.0100.0
8Arasan 21.3 64-bit31090.00.00.00.00.00.018.2 77.195.299.8100.0
9Vajolet2 2.7 64-bit30990.00.00.00.00.00.01.422.9 85.899.2100.0
10Nemorino 5.00 64-bit30870.00.00.00.00.00.00.04.814.2 90.899.4
11Texel 1.07 64-bit30740.00.00.00.00.00.00.00.20.89.2 92.2
12IvanHoe 9.46h 64-bit30620.00.00.00.00.00.00.00.00.00.67.8 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Rating list
Testing profile
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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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on May 18, 2019