CCRL 40/4
Downloads and Statistics
April 13, 2019
Testing summary:
Total: 1'978'909 games
played by 2'316 programs
26642 CPU days (X2 4600+)

White wins: 772'756 (39.0%)
Black wins: 624'315 (31.5%)
Draws: 581'838 (29.4%)
White score: 53.8%

Free 4-CPU engines

Comparing 213 engines!
72 best versions of selected engines played 15693 games with each other

CCRL 40/4 Rating List — Free 4-CPU engines (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Computed on April 13, 2019 with Bayeselo based on 1'978'909 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Stockfish 10 64-bit 4CPU3547+15−1572.2%−144.551.7%1487 
53.4%
 Stockfish 9 64-bit 4CPU3546+12−1274.1%−183.344.7%2605
79.7%
 SugaR XPrO 1.4 64-bit 4CPU3535+24−2373.3%−174.847.8%640
55.2%
 Stockfish 130118 64-bit 4CPU3532+30−2959.5%−63.665.7%315
57.9%
 SugaR XPrO 1.2 64-bit 4CPU3529+16−1667.0%−127.354.9%1306
62.8%
 asmFish 191017 64-bit 4CPU3525+17−1765.6%−112.758.9%1080
91.5%
 ShashChess 6.0 64-bit 4CPU3504+24−2470.4%−135.952.0%550
57.8%
 SugaR XPrO 1.3 64-bit 4CPU3501+24−2450.3%−16.767.4%481
70.4%
 Stockfish 8 64-bit 4CPU3493+11−1169.4%−138.249.0%2734
100.0%
 Stockfish 160716 64-bit 4CPU3455+14−1379.9%−217.435.3%2345
88.1%
 Stockfish 200516 64-bit 4CPU3441+18−1880.7%−221.134.3%1272
85.8%
 Stockfish 7 64-bit 4CPU3427+20−2078.1%−200.838.0%1008
62.8%
2Fire 7.1 64-bit 4CPU3423+15−1553.2%−24.255.1%1347
57.5%
 Stockfish 251115 64-bit 4CPU3420+17−1770.9%−144.543.4%1208
88.6%
3Xiphos 0.5 64-bit 4CPU3403+20−2055.7%−37.550.5%778
79.1%
 Stockfish 6 64-bit 4CPU3393+15−1567.7%−118.849.8%1485
61.3%
4Ethereal 11.25 64-bit 4CPU3389+16−1649.7%+2.860.1%1200
74.6%
 Ethereal 11.00 64-bit 4CPU3382+17−1752.2%−15.355.7%1012
49.5%
5Komodo 9 64-bit 4CPU3382+16−1672.7%−151.543.9%1400
84.4%
6Laser 1.7 64-bit 4CPU3368+20−2047.6%+13.855.0%765
57.3%
 Stockfish 5 64-bit 4CPU3366+16−1671.8%−146.343.0%1380
89.4%
 Komodo 8 64-bit 4CPU3352+16−1668.0%−120.444.7%1330
63.9%
 Fire 6.1 64-bit 4CPU3348+15−1544.9%+33.844.1%1568
82.5%
7Fizbo 2 64-bit 4CPU3339+13−1339.6%+65.046.2%1988
64.4%
8Andscacs 0.95 64-bit 4CPU3335+16−1654.3%−27.248.7%1301
51.8%
 Fire 5 64-bit 4CPU3335+15−1553.3%−18.151.4%1390
81.8%
9Booot 6.3.1 64-bit 4CPU3324+17−1741.3%+56.152.6%1144
54.6%
 Andscacs 0.94 64-bit 4CPU3323+19−1944.0%+38.751.0%855
50.4%
 Xiphos 0.4 64-bit 4CPU3323+18−1847.2%+16.946.1%1038
60.0%
 Fizbo 1.9 64-bit 4CPU3320+14−1450.5%−2.142.4%1762
49.0%
 Komodo 7a 64-bit 4CPU3320+16−1661.5%−76.345.6%1334
65.5%
 Andscacs 0.92 64-bit 4CPU3313+28−2757.3%−46.538.9%460
59.2%
 Stockfish DD 64-bit 4CPU3309+15−1566.6%−122.042.3%1559
71.8%
 Andscacs 0.921 64-bit 4CPU3302+19−1864.7%−103.239.1%1017
56.8%
 Andscacs 0.93 64-bit 4CPU3300+17−1745.6%+35.242.5%1215
87.5%
 Komodo TCEC 64-bit 4CPU3286+16−1664.9%−111.641.2%1429
82.7%
 Andscacs 0.91 64-bit 4CPU3275+16−1644.2%+41.647.2%1254
50.4%
 Laser 1.6 64-bit 4CPU3275+17−1746.6%+26.352.7%1026
49.6%
10Schooner 2.0.34 64-bit 4CPU3275+17−1741.0%+52.545.2%1239
54.4%
 Andscacs 0.90 64-bit 4CPU3274+18−1852.0%−7.949.1%988
65.1%
 Stockfish 4 64-bit 4CPU3269+17−1769.2%−146.137.0%1346
65.7%
11Houdini 1.5a 64-bit 4CPU3264+16−1674.8%−186.632.0%1649
67.6%
12Gull 3 64-bit 4CPU3260+9−946.3%+22.945.1%4832
55.9%
 Andscacs 0.88 64-bit 4CPU3258+18−1839.5%+71.547.5%1014
54.4%
 Gull 2.8b 64-bit 4CPU3257+21−2170.1%−147.934.7%849
53.5%
 Booot 6.2 64-bit 4CPU3256+13−1342.7%+56.548.7%2017
48.6%
 Fire 4 64-bit 4CPU3256+10−1046.1%+24.249.7%3212
66.1%
13Equinox 3.30 64-bit 4CPU3253+9−940.1%+66.449.6%4427
58.3%
 Komodo 6 64-bit 4CPU3251+19−1966.1%−117.140.7%998
55.6%
14Arasan 21.3 64-bit 4CPU3249+27−2748.8%+8.452.5%408
53.8%
 Fizbo 1.8 64-bit 4CPU3247+14−1445.9%+30.942.5%1712
61.7%
 Gull 2.3 64-bit 4CPU3244+17−1763.8%−101.943.5%1137
66.1%
 Andscacs 0.872 64-bit 4CPU3239+17−1747.3%+20.746.8%1101
51.6%
 Komodo 5.1 64-bit 4CPU3238+16−1566.6%−121.339.7%1503
54.7%
15RofChade 2.0 64-bit 4CPU3237+18−1857.2%−51.350.3%957
52.0%
 Stockfish 3 64-bit 4CPU3236+19−1968.0%−133.938.5%1022
65.8%
16Critter 1.6a 64-bit 4CPU3232+7−846.6%+21.945.1%6999
67.8%
17Hannibal 1.7 64-bit 4CPU3229+11−1142.7%+49.846.3%2791
68.0%
18NirvanaChess 2.4 64-bit 4CPU3225+13−1348.3%+15.443.0%1929
54.7%
 Gull 2.2 64-bit 4CPU3223+20−2067.9%−131.936.8%945
55.3%
 Andscacs 0.86 64-bit 4CPU3221+17−1744.9%+35.942.7%1128
53.4%
 Stockfish 2.3.1 64-bit 4CPU3220+18−1859.5%−59.646.9%951
65.8%
 Fire 3.0 64-bit 4CPU3215+17−1743.7%+38.547.5%1126
54.4%
 Gull 3.1 64-bit 4CPU3214+17−1840.9%+68.143.6%1090
58.9%
 NirvanaChess 2.3 64-bit 4CPU3211+14−1339.0%+78.245.8%1832
60.5%
 Critter 1.2 64-bit 4CPU3208+17−1668.6%−131.939.9%1331
57.9%
19Texel 1.07 64-bit 4CPU3206+13−1350.6%+1.143.2%1903
53.3%
 Arasan 21.2 64-bit 4CPU3205+17−1752.2%−14.850.7%1031
78.4%
20BlackMamba 2.0 64-bit 4CPU3197+12−1242.3%+55.746.6%2426
61.2%
 Stockfish 2.1.1 64-bit 4CPU3194+15−1566.3%−113.541.2%1489
56.6%
 Arasan 21.1 64-bit 4CPU3192+17−1751.3%−8.652.9%1015
54.7%
21Pedone 1.9 64-bit 4CPU3190+28−2847.2%+16.453.8%370
56.6%
 Booot 6.1 64-bit 4CPU3187+15−1543.7%+44.844.7%1536
62.1%
 Fizbo 1.7 64-bit 4CPU3184+15−1541.9%+58.539.5%1498
58.2%
 NirvanaChess 2.2 64-bit 4CPU3182+16−1640.6%+68.143.4%1284
58.9%
22Vajolet2 2.6.1 64-bit 4CPU3179+16−1650.5%−2.456.6%1095
62.7%
23Senpai 2.0 64-bit 4CPU3176+12−1252.0%−13.944.0%2138
51.7%
24Elektro 1.2 64-bit 4CPU3175+16−1642.5%+54.346.5%1300
63.9%
 Laser 1.5 64-bit 4CPU3171+19−1950.3%+4.637.4%1000
50.6%
25Nemorino 5.00 64-bit 4CPU3170+14−1450.8%−4.547.8%1527
55.5%
 Hannibal 1.5 64-bit 4CPU3169+12−1334.2%+112.839.3%2349
61.0%
 Stockfish 2.0.1 64-bit 4CPU3166+14−1466.8%−114.043.4%1647
75.3%
 Pedone 1.8 64-bit 4CPU3158+18−1849.0%+5.753.9%878
50.8%
 Texel 1.06 64-bit 4CPU3158+14−1542.2%+53.043.8%1558
59.3%
 Critter 1.01 64-bit 4CPU3155+17−1766.0%−112.237.7%1248
50.4%
 Sting SF 9 64-bit 4CPU3155+17−1751.7%−12.545.2%1047
57.9%
 Stockfish 1.9.1 64-bit 4CPU3153+13−1371.5%−149.738.1%2338
57.3%
26‑27Naum 4.6 64-bit 4CPU3151+12−1138.0%+88.938.0%2800
48.4%
26‑27Wasp 3.50 64-bit 4CPU3151+18−1852.7%−18.146.8%965
71.2%
 Arasan 20.4.1 64-bit 4CPU3144+18−1849.9%+0.140.8%974
55.6%
 Texel 1.05 64-bit 4CPU3142+14−1433.0%+125.635.4%2041
58.4%
 Stockfish 1.7.1 64-bit 4CPU3140+13−1368.1%−125.238.4%2052
62.8%
 Stockfish 1.8 64-bit 4CPU3137+16−1668.0%−124.438.4%1379
53.6%
 Pedone 1.7 64-bit 4CPU3136+18−1847.4%+16.842.7%1006
67.1%
28ChessBrainVB 3.70 4CPU3129+23−2357.4%−48.242.4%585
54.3%
29Protector 1.9.0 64-bit 4CPU3128+10−1046.4%+24.241.1%3601
51.8%
 Critter 0.90 64-bit 4CPU3127+15−1564.5%−98.539.8%1619
56.8%
 Vajolet2 2.5 64-bit 4CPU3125+20−2048.3%+11.443.5%809
59.3%
 Arasan 20.1 64-bit 4CPU3121+24−2360.5%−67.542.3%562
51.9%
 Arasan 20.3 64-bit 4CPU3121+18−1843.2%+45.741.6%973
51.4%
 Ethereal 9.30 64-bit 4CPU3120+29−2954.5%−28.145.9%364
56.6%
30Defenchess (SCTR) 1.1f 64-bit 4CPU3117+14−1446.8%+22.140.4%1600
49.4%
 Hannibal 1.4b 64-bit 4CPU3117+13−1438.3%+80.438.0%1935
57.4%
 Pedone 1.6 64-bit 4CPU3115+18−1849.5%+1.349.2%966
51.5%
 Wasp 3.0 64-bit 4CPU3115+29−2949.9%+0.655.6%340
54.1%
 Nemorino 4.00 64-bit 4CPU3113+23−2348.0%+13.342.6%587
72.0%
31‑32Demolito 2018-10-29 64-bit 4CPU3104+19−1952.3%−16.042.8%883
47.6%
31‑32RubiChess 1.3 64-bit 4CPU3104+23−2358.7%−62.540.8%635
71.3%
 Senpai 1.0 64-bit 4CPU3096+16−1736.2%+98.635.7%1355
58.2%
 Pedone 1.5 64-bit 4CPU3094+17−1747.7%+14.345.4%1151
51.9%
33Rodent III 0.273 64-bit 4CPU3093+20−2047.6%+13.148.3%764
51.1%
 Stockfish 1.6s JA 64-bit 4CPU3093+13−1366.6%−115.738.6%2185
54.4%
 Laser 1.4 64-bit 4CPU3092+19−1948.4%+11.141.1%909
57.9%
 Ethereal 9.00 64-bit 4CPU3089+19−1950.5%−6.244.9%909
48.9%
 Stockfish 1.6.3 64-bit 4CPU3089+13−1365.3%−107.738.0%2172
60.3%
 Protector 1.5.0 64-bit 4CPU3087+14−1540.5%+63.637.3%1682
56.7%
34Pirarucu 2.9.5 64-bit 4CPU3084+30−3060.5%−67.242.1%342
53.2%
 Vajolet2 2.4 64-bit 4CPU3082+17−1743.1%+47.039.6%1202
57.7%
35chess22k 1.11 64-bit 4CPU3079+21−2143.7%+38.849.8%687
58.3%
 Xiphos 0.1 64-bit 4CPU3076+20−2043.5%+41.141.4%804
54.8%
 Wasp 2.6 64-bit 4CPU3075+18−1843.8%+41.642.8%944
58.6%
 Bouquet 1.8 64-bit 4CPU3072+17−1732.2%+123.741.2%1256
58.1%
 Critter 0.80 64-bit 4CPU3069+17−1758.6%−57.440.6%1149
57.5%
 Pedone 1.4.1 64-bit 4CPU3067+20−2045.2%+26.949.3%768
47.9%
 Vajolet2 2.2 64-bit 4CPU3067+18−1846.2%+22.942.7%1010
54.3%
36Cheng 4.39 64-bit 4CPU3066+16−1642.6%+46.245.3%1292
50.0%
 Hannibal 1.3 64-bit 4CPU3066+20−2140.3%+67.936.3%821
53.2%
 Nemorino 3.0 64-bit 4CPU3065+33−3343.6%+47.036.6%320
53.7%
 Wasp 2.01 64-bit 4CPU3063+23−2252.2%−15.149.7%593
66.7%
37Crafty 25.2 64-bit 4CPU3057+16−1649.7%+1.639.5%1291
51.0%
38Bobcat 8.0 64-bit 4CPU3056+16−1647.5%+14.444.3%1305
53.9%
 Vajolet2 2.3 64-bit 4CPU3055+23−2350.6%−6.737.9%588
64.6%
 Rodent III 0.232 64-bit 4CPU3049+19−1940.1%+68.436.3%945
66.8%
39Rybka 2.3.2a 64-bit 4CPU3044+11−1068.7%−132.137.0%3571
84.2%
40Spike 1.4 Leiden 4CPU3037+10−1038.6%+79.636.4%3896
51.3%
 Critter 0.70 64-bit 4CPU3036+24−2451.1%−6.943.6%567
54.4%
 Bobcat 7.6 64-bit 4CPU3035+19−2043.7%+40.046.5%820
62.1%
 Ethereal 8.81 64-bit 4CPU3030+22−2244.3%+36.440.8%682
53.1%
41Spark 1.0 64-bit 4CPU3029+9−939.9%+72.339.4%4543
55.2%
 Stockfish 1.5.1 64-bit 4CPU3028+14−1458.9%−61.138.6%1649
63.4%
42Alfil 15.8 64-bit 4CPU3023+20−2043.8%+40.339.5%795
68.7%
43Gogobello 2.0 64-bit 4CPU3016+19−1948.4%+10.235.0%958
59.6%
44EXchess 7.97b 64-bit 4CPU3013+18−1844.0%+41.737.5%1076
49.7%
 Nemorino 2.00 64-bit 4CPU3013+25−2543.2%+44.340.8%500
62.6%
 Rodent III 0.210 64-bit 4CPU3006+32−3233.4%+110.537.3%332
57.4%
 Demolito 2017-08-26 64-bit 4CPU3003+23−2436.1%+97.033.7%644
52.4%
 Rybka 2.2 64-bit 4CPU3002+12−1258.3%−63.341.2%2396
62.0%
45The Baron 3.44 64-bit 4CPU2997+30−3041.7%+57.437.2%363
53.9%
46Tucano 7.00 64-bit 4CPU2995+20−2040.9%+60.639.8%809
51.9%
47Scorpio 2.8 64-bit 4CPU2994+19−1941.3%+57.436.1%942
68.7%
 Spark 0.4 64-bit 4CPU2988+14−1446.6%+23.941.5%1614
65.9%
 Scorpio 2.7.9 64-bit 4CPU2982+25−2545.8%+27.236.9%520
68.9%
48Gaviota 1.0 64-bit 4CPU2975+16−1647.2%+18.134.5%1292
49.8%
 Rodent III 0.172 64-bit 4CPU2975+23−2341.8%+54.134.1%639
48.3%
 Stockfish 1.4 64-bit 4CPU2975+15−1553.9%−29.735.2%1596
66.1%
 Protector 1.4.0 64-bit 4CPU2971+13−1332.3%+129.833.6%2343
60.1%
 Spark 0.3 64-bit 4CPU2969+12−1247.4%+16.441.7%2237
68.4%
49Toga II 4.0 64-bit 4CPU2963+20−2036.8%+94.432.8%848
51.6%
 Protector 1.3.5 64-bit 4CPU2962+27−2736.7%+89.139.6%455
51.4%
 Spark 0.3a 64-bit 4CPU2962+17−1844.6%+35.738.2%1093
82.9%
 Protector 1.3.4 64-bit 4CPU2952+13−1340.3%+64.441.0%2122
52.1%
50Thinker 5.4c Inert 64-bit 4CPU2951+9−942.5%+51.234.7%5066
54.8%
51Winter 0.5 64-bit 4CPU2950+24−2457.4%−50.334.8%584
62.2%
 The Baron 3.43 64-bit 4CPU2944+25−2550.1%+0.937.0%506
65.4%
 Tucano 7.05 64-bit 4CPU2936+30−3032.2%+123.437.7%382
54.2%
52DisasterArea 1.65 64-bit 4CPU2934+16−1644.4%+37.439.5%1277
62.0%
 Toga II 3.0 4CPU2931+17−1725.3%+195.528.5%1459
58.5%
 Fruit Reloaded 3.2.1 64-bit 4CPU2928+20−2039.3%+71.936.9%875
54.9%
 Thinker 5.4a Inert 64-bit 4CPU2926+13−1350.9%−10.635.3%2096
59.5%
53MinkoChess 1.3 64-bit 4CPU2923+22−2248.0%+12.038.7%677
52.1%
 Thinker 5.3b Inert 64-bit 4CPU2922+15−1545.9%+28.538.1%1468
79.6%
54Glaurung 2.2 64-bit 4CPU2915+11−1249.7%−1.536.5%2648
60.7%
 Critter 0.60 64-bit 4CPU2911+23−2337.3%+89.734.5%649
53.7%
55Bright 0.4a 4CPU2910+11−1142.4%+50.433.9%3023
67.6%
 Bright 0.5c 4CPU2906+14−1436.5%+92.235.7%1715
48.0%
56Monolith 1.0 64-bit 4CPU2906+24−2449.8%+2.442.6%564
55.0%
57Marvin 3.2.0 64-bit 4CPU2904+22−2250.5%−2.441.5%672
52.4%
 Toga II 1.4 beta5c 4CPU2904+9−835.7%+104.933.9%5355
71.8%
 Glaurung 2.1 64-bit 4CPU2900+12−1245.9%+28.635.7%2686
53.0%
 Toga II 1.4.1SE 4CPU2899+11−1144.9%+37.535.8%3128
50.0%
 Winter 0.4a 64-bit 4CPU2899+26−2556.1%−40.438.5%488
51.2%
 Thinker 5.4d Inert 64-bit 4CPU2898+98−10045.3%+30.034.4%32
56.9%
58Cheese 2.0 64-bit 4CPU2888+27−2745.3%+30.537.7%430
51.7%
 RofChade 1.0 64-bit 4CPU2888+21−2146.5%+22.232.4%785
93.4%
59‑60Loop 13.6 (Loop 2007) 64-bit 4CPU2867+16−1643.8%+40.539.1%1225
50.6%
59‑60Tornado 8.0 64-bit 4CPU2867+16−1641.0%+61.031.4%1338
70.0%
 Glaurung 2.0.1 64-bit 4CPU2861+13−1341.3%+60.535.0%2227
80.4%
 Bright 0.3a 4CPU2853+14−1443.7%+40.934.6%1756
53.7%
 Gogobello 1.4 64-bit 4CPU2852+24−2449.2%+4.935.6%579
61.7%
61Topple 0.5.0 64-bit 4CPU2847+24−2353.2%−22.930.3%610
59.3%
62BugChess2 1.9 64-bit 4CPU2843+18−1850.0%−2.232.6%1034
74.1%
63Shield 2.1 64-bit 4CPU2833+24−2450.8%−6.127.7%591
76.0%
 Winter 0.3 64-bit 4CPU2821+24−2446.7%+23.828.3%618
71.5%
 Bright 0.2c 4CPU2812+17−1735.5%+101.930.1%1244
65.0%
 ECE X3 64-bit 4CPU2799+63−6634.5%+102.728.6%84
54.9%
64Fridolin 3.10 64-bit 4CPU2794+28−2848.8%+8.529.1%429
93.2%
 Glaurung 1.2.1 32-bit 4CPU2770+15−1543.2%+45.533.8%1495
76.6%
 Fridolin 3.00 64-bit 4CPU2756+33−3267.7%−121.428.7%345
75.3%
 Crafty 23.0 64-bit 4CPU2744+17−1728.1%+157.328.1%1436
84.1%
 Scorpio 2.0 32-bit 4CPU2730+20−2029.1%+154.329.4%1005
74.1%
 Scorpio 2.1 64-bit 4CPU2722+17−1727.5%+173.723.2%1495
97.2%
65Minic 0.40 64-bit 4CPU2684+35−3472.7%−166.022.9%328
63.0%
66Pharaon 3.5.1 4CPU2677+23−2441.7%+57.728.9%634
55.0%
 Topple 0.3.4 64-bit 4CPU2674+31−3167.6%−129.121.3%400
59.8%
 Gaviota 0.83 64-bit 4CPU2670+19−1962.2%−91.024.9%1019
81.0%
67Dorky 4.8 64-bit 4CPU2654+30−2956.1%−39.633.3%375
100.0%
 Arasan 11.3 64-bit 4CPU2573+22−2312.5%+340.013.0%1386
97.8%
 Topple 0.3.1 64-bit 4CPU2533+32−3243.1%+49.222.9%341
99.4%
68Jumbo 0.6.66 64-bit 4CPU2479+27−2743.5%+46.223.3%477
62.5%
69Nemeton 1.7 4CPU2472+30−3149.1%+7.024.4%377
63.0%
70Myrddin 0.87 64-bit 4CPU2465+31−3153.8%−26.125.9%370
100.0%
71Invictus r228 64-bit 4CPU2376+33−3256.6%−47.624.2%335
100.0%
72Embla 2.0.0 64-bit 4CPU1927+32−3321.5%+221.419.6%419
 

Results matrix

Free 4-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 10 64-bit 4CPU3547 75 − 33
+43−1=64
−13
53 − 19
+34−0=38
−1
23 − 9
+14−0=18
−30
 33 − 10
+23−0=20
−10
45.5 − 7.5
+39−1=13
+64
28 − 4
+24−0=8
+74
88.5 − 19.5
+69−0=39
−4
93.5 − 14.5
+79−0=29
+3
  
2Fire 7.1 64-bit 4CPU342333 − 75
+1−43=64
+13
 14.5 − 10.5
+6−2=17
+24
43.5 − 37.5
+13−7=61
−14
 26 − 17
+12−3=28
+3
24 − 17
+11−4=26
−39
22 − 12
+12−2=20
−2
59 − 33
+33−7=52
−18
34 − 10
+25−1=18
+28
  
3Xiphos 0.5 64-bit 4CPU340319 − 53
+0−34=38
+1
10.5 − 14.5
+2−6=17
−24
 13 − 12
+5−4=16
−6
 40.5 − 31.5
+16−7=49
−1
16 − 9
+10−3=12
+17
13.5 − 11.5
+6−4=15
−49
13.5 − 11.5
+8−6=11
−59
17.5 − 7.5
+11−1=13
−9
  
4Ethereal 11.25 64-bit 4CPU33899 − 23
+0−14=18
+30
37.5 − 43.5
+7−13=61
+14
12 − 13
+4−5=16
+6
  20.5 − 23.5
+4−7=33
−37
52 − 29
+30−7=44
+31
44.5 − 37.5
+16−9=57
−33
49 − 33
+22−6=54
−11
20 − 12
+11−3=18
−41
  
5Komodo 9 64-bit 4CPU3382           94 − 36
+61−3=66
+12
6Laser 1.7 64-bit 4CPU336810 − 33
+0−23=20
+10
17 − 26
+3−12=28
−3
31.5 − 40.5
+7−16=49
+1
23.5 − 20.5
+7−4=33
+37
  24 − 19
+13−8=22
+6
24 − 19
+9−4=30
−2
 29.5 − 13.5
+18−2=23
+12
  
7Fizbo 2 64-bit 4CPU33397.5 − 45.5
+1−39=13
−64
17 − 24
+4−11=26
+39
9 − 16
+3−10=12
−17
29 − 52
+7−30=44
−31
 19 − 24
+8−13=22
−6
 17 − 17
+10−10=14
−2
25.5 − 24.5
+14−13=23
−9
22.5 − 21.5
+7−6=31
−58
  
8Andscacs 0.95 64-bit 4CPU33354 − 28
+0−24=8
−74
12 − 22
+2−12=20
+2
11.5 − 13.5
+4−6=15
+49
37.5 − 44.5
+9−16=57
+33
 19 − 24
+4−9=30
+2
17 − 17
+10−10=14
+2
 17.5 − 16.5
+7−6=21
−3
45.5 − 26.5
+29−10=33
+21
  
9Booot 6.3.1 64-bit 4CPU332419.5 − 88.5
+0−69=39
+4
33 − 59
+7−33=52
+18
11.5 − 13.5
+6−8=11
+59
33 − 49
+6−22=54
+11
  24.5 − 25.5
+13−14=23
+9
16.5 − 17.5
+6−7=21
+3
 25.5 − 18.5
+14−7=23
0
  
10Schooner 2.0.34 64-bit 4CPU327514.5 − 93.5
+0−79=29
−3
10 − 34
+1−25=18
−28
7.5 − 17.5
+1−11=13
+9
12 − 20
+3−11=18
+41
 13.5 − 29.5
+2−18=23
−12
21.5 − 22.5
+6−7=31
+58
26.5 − 45.5
+10−29=33
−21
18.5 − 25.5
+7−14=23
0
   
11Houdini 1.5a 64-bit 4CPU3264            
12Gull 3 64-bit 4CPU3260    36 − 94
+3−61=66
−12
       
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

Free 4-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 10 64-bit 4CPU3547 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Fire 7.1 64-bit 4CPU34230.0 93.699.9100.0100.0100.0100.0100.0100.0100.0100.0
3Xiphos 0.5 64-bit 4CPU34030.06.4 86.694.799.6100.0100.0100.0100.0100.0100.0
4Ethereal 11.25 64-bit 4CPU33890.00.113.4 74.195.6100.0100.0100.0100.0100.0100.0
5Komodo 9 64-bit 4CPU33820.00.05.325.9 84.4100.0100.0100.0100.0100.0100.0
6Laser 1.7 64-bit 4CPU33680.00.00.44.415.6 99.399.6100.0100.0100.0100.0
7Fizbo 2 64-bit 4CPU33390.00.00.00.00.00.7 64.492.4100.0100.0100.0
8Andscacs 0.95 64-bit 4CPU33350.00.00.00.00.00.435.6 83.8100.0100.0100.0
9Booot 6.3.1 64-bit 4CPU33240.00.00.00.00.00.07.616.1 100.0100.0100.0
10Schooner 2.0.34 64-bit 4CPU32750.00.00.00.00.00.00.00.00.0 81.893.8
11Houdini 1.5a 64-bit 4CPU32640.00.00.00.00.00.00.00.00.018.2 67.6
12Gull 3 64-bit 4CPU32600.00.00.00.00.00.00.00.00.06.232.4 
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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Created in 2005-2013 by CCRL team
Last games added on April 13, 2019