CCRL Blitz
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 2'387'265 games
played by 2'826 programs

White wins: 919'531 (38.5%)
Black wins: 739'461 (31.0%)
Draws: 728'273 (30.5%)
White score: 53.8%

Open source multi-CPU engines

Comparing 210 engines!
48 best versions of selected engines played 7867 games with each other

CCRL Blitz Rating List — Open source multi-CPU engines (Quote)

Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Computed on October 17, 2020 with Bayeselo based on 2'387'265 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 12 64-bit 8CPU3692+17−1774.3%−170.649.7%1143 
99.9%
 Stockfish 2019-10-09 64-bit 8CPU3646+21−2079.9%−203.938.6%900
55.2%
2Lc0 0.25.1 t40-1541 RTX20803644+17−1765.6%−104.357.9%1089
94.3%
 Stockfish+NNUE 150720 64-bit 4CPU3628+14−1461.9%−81.563.8%1546
77.9%
 Lc0 0.23.1 w42850 RTX20803620+13−1362.1%−74.067.8%1789
98.7%
 Stockfish 2019-10-09 64-bit 4CPU3602+11−1166.7%−108.855.6%2753
55.8%
 Stockfish 11 64-bit 4CPU3601+13−1361.6%−76.660.2%1739
64.8%
 Lc0 0.22.0 w49921 RTX20803597+15−1563.8%−82.265.5%1292
100.0%
 Stockfish 10 64-bit 4CPU3548+11−1167.1%−109.855.5%2680
62.7%
 Stockfish 9 64-bit 4CPU3545+12−1274.1%−182.744.7%2605
80.3%
 SugaR XPrO 1.4 64-bit 4CPU3534+24−2373.3%−174.647.8%640
56.3%
 Stockfish 130118 64-bit 4CPU3531+30−2959.5%−63.865.7%315
57.1%
 SugaR XPrO 1.2 64-bit 4CPU3528+16−1567.0%−127.054.9%1306
62.7%
 asmFish 191017 64-bit 4CPU3525+17−1765.6%−113.458.9%1080
89.7%
 ShashChess 6.0 64-bit 4CPU3505+24−2470.4%−135.852.0%550
62.1%
 SugaR XPrO 1.3 64-bit 4CPU3500+24−2450.3%−16.667.4%481
69.7%
 Stockfish 8 64-bit 4CPU3493+11−1169.4%−138.749.0%2734
96.6%
3Ethereal 12.25 64-bit 4CPU3470+21−2147.8%+14.260.1%627
60.4%
 Ethereal 12.50 64-bit 4CPU3466+17−1750.1%−0.667.4%898
84.6%
 Stockfish 160716 64-bit 4CPU3454+14−1379.9%−217.035.3%2345
84.7%
 Ethereal 12.00 64-bit 4CPU3443+15−1547.9%+14.059.3%1333
56.9%
 Stockfish 200516 64-bit 4CPU3441+18−1880.7%−221.434.3%1272
82.6%
4Xiphos 0.6 64-bit 4CPU3430+11−1141.0%+59.956.5%2661
61.1%
 Ethereal 11.75 64-bit 4CPU3427+18−1844.6%+37.555.1%966
52.6%
 Stockfish 7 64-bit 4CPU3426+20−1978.1%−200.238.0%1008
69.0%
 Stockfish 251115 64-bit 4CPU3420+17−1770.9%−144.843.4%1208
63.9%
 Ethereal 11.50 64-bit 4CPU3416+13−1444.8%+35.553.9%1682
48.2%
5Nemorino 6.00 64-bit 4CPU3416+31−3166.5%−102.248.3%321
88.4%
 Xiphos 0.5 64-bit 4CPU3396+14−1442.9%+47.147.9%1746
65.0%
 Ethereal 11.25 64-bit 4CPU3392+14−1447.0%+18.259.4%1545
47.9%
 Stockfish 6 64-bit 4CPU3392+15−1567.7%−118.249.8%1485
79.3%
 Ethereal 11.00 64-bit 4CPU3383+17−1752.2%−15.355.7%1012
91.3%
 Stockfish 5 64-bit 4CPU3366+16−1671.8%−146.143.0%1380
53.3%
6Laser 1.7 64-bit 4CPU3365+9−1045.3%+32.751.6%3815
62.3%
7RubiChess 1.7.3 64-bit 4CPU3360+28−2845.7%+29.549.2%380
61.5%
8Booot 6.4 64-bit 4CPU3356+13−1345.6%+33.554.8%1859
58.8%
9Defenchess 2.2 64-bit 4CPU3354+12−1246.3%+28.252.6%2298
98.9%
10Andscacs 0.95 64-bit 4CPU3336+10−1151.0%−5.349.7%2966
92.8%
 Booot 6.3.1 64-bit 4CPU3325+12−1245.6%+29.354.9%2201
51.8%
 Andscacs 0.94 64-bit 4CPU3324+19−1944.0%+39.251.0%855
53.3%
 Xiphos 0.4 64-bit 4CPU3323+18−1847.2%+17.546.1%1038
86.3%
 Stockfish DD 64-bit 4CPU3310+15−1566.6%−123.042.3%1559
75.2%
 Andscacs 0.921 64-bit 4CPU3301+19−1864.7%−103.639.1%1017
54.8%
 Andscacs 0.93 64-bit 4CPU3300+17−1745.6%+34.642.5%1215
74.7%
 RubiChess 1.6.1.1 64-bit 4CPU3292+14−1449.2%+4.452.5%1572
63.0%
 Defenchess 2.1 64-bit 4CPU3288+19−1944.6%+38.644.0%941
53.5%
11Arasan 22.1 64-bit 4CPU3287+20−2048.7%−11.348.4%790
82.6%
 Laser 1.6 64-bit 4CPU3274+16−1747.5%+21.052.5%1116
55.7%
 Arasan 22.0 64-bit 4CPU3273+14−1447.3%+16.551.1%1617
62.8%
 Stockfish 4 64-bit 4CPU3269+17−1769.2%−145.937.0%1346
69.0%
 RubiChess 1.6 64-bit 4CPU3263+16−1646.4%+18.549.2%1216
66.0%
12Gull 3 64-bit 4CPU3259+9−946.1%+25.344.9%4857
57.2%
 Gull 2.8b 64-bit 4CPU3257+21−2170.1%−147.634.7%849
51.9%
 Arasan 21.4 64-bit 4CPU3256+21−2144.6%+32.154.1%638
50.7%
 Booot 6.2 64-bit 4CPU3256+12−1243.4%+52.448.7%2107
79.5%
 Arasan 21.3 64-bit 4CPU3245+24−2445.6%+26.851.6%494
50.0%
13Igel 2.5.0 64-bit 4CPU3245+24−2452.9%−18.151.0%492
51.7%
 Gull 2.3 64-bit 4CPU3244+17−1763.8%−101.843.5%1137
72.0%
 Stockfish 3 64-bit 4CPU3236+19−1968.0%−133.638.5%1022
76.3%
14Vajolet2 2.8 64-bit 4CPU3228+12−1247.0%+19.046.5%2243
52.4%
15Combusken 1.3.0 64-bit 4CPU3227+25−2552.1%−13.345.5%484
59.0%
 Gull 2.2 64-bit 4CPU3223+20−2067.9%−131.836.8%945
58.4%
 Stockfish 2.3.1 64-bit 4CPU3221+18−1859.5%−60.346.9%951
71.6%
16Demolito 2020-04-10 64-bit 4CPU3214+15−1547.3%+15.450.2%1345
53.4%
 Gull 3.1 64-bit 4CPU3213+18−1840.9%+68.043.6%1090
62.8%
 Demolito 2020-01-11 64-bit 4CPU3209+17−1659.0%−56.447.4%1143
61.3%
 Arasan 21.2 64-bit 4CPU3205+17−1752.2%−14.950.7%1031
82.0%
 Stockfish 2.1.1 64-bit 4CPU3194+15−1566.3%−113.141.2%1489
49.2%
17Texel 1.07 64-bit 4CPU3194+10−1050.0%+3.945.8%3130
56.7%
 Arasan 21.1 64-bit 4CPU3193+17−1751.3%−8.752.9%1015
55.6%
 Igel 2.4.0 64-bit 4CPU3191+19−1948.9%+7.649.8%817
51.6%
 RubiChess 1.5 64-bit 4CPU3190+25−2552.5%−16.542.8%479
58.8%
 Booot 6.1 64-bit 4CPU3187+15−1543.7%+44.344.7%1536
58.7%
 Vajolet2 2.6.1 64-bit 4CPU3184+15−1551.4%−7.456.8%1263
61.5%
18chess22k 1.14 64-bit 4CPU3181+13−1351.1%−7.150.4%1785
58.2%
 Nemorino 5.00 64-bit 4CPU3180+11−1151.4%−9.747.9%2763
57.4%
 Combusken 1.2.0 64-bit 4CPU3177+23−2352.0%−32.236.8%655
50.3%
19Senpai 2.0 64-bit 4CPU3177+10−1051.7%−11.445.9%3412
75.3%
 Laser 1.5 64-bit 4CPU3170+19−1950.3%+4.837.4%1000
52.4%
20ChessBrainVB 3.74 4CPU3169+14−1454.2%−27.241.9%1596
59.1%
 Stockfish 2.0.1 64-bit 4CPU3167+15−1466.8%−114.643.4%1647
71.7%
21Minic 2.33 64-bit 4CPU3159+20−2050.7%−4.140.6%801
53.5%
 Igel 2.3.1 64-bit 4CPU3158+15−1461.4%−72.144.1%1511
54.3%
 Texel 1.06 64-bit 4CPU3157+14−1542.2%+53.543.8%1558
49.0%
 chess22k 1.13 64-bit 4CPU3157+14−1449.7%+2.050.4%1521
65.7%
 Sting SF 9 64-bit 4CPU3153+17−1750.4%−4.645.1%1137
49.5%
 Stockfish 1.9.1 64-bit 4CPU3153+12−1270.2%−141.238.3%2428
80.8%
 Arasan 20.4.1 64-bit 4CPU3143+18−1849.9%+0.040.8%974
53.5%
 Texel 1.05 64-bit 4CPU3142+14−1433.0%+125.235.4%2041
55.8%
 Stockfish 1.7.1 64-bit 4CPU3141+13−1368.1%−126.038.4%2052
52.8%
22Marvin 3.6.0 64-bit 4CPU3140+21−2143.8%+38.344.5%668
58.1%
 Minic 2.0 64-bit 4CPU3137+12−1246.1%+23.645.1%2099
49.5%
 Stockfish 1.8 64-bit 4CPU3137+16−1668.0%−124.238.4%1379
54.9%
 RubiChess 1.4 64-bit 4CPU3135+25−2547.9%+13.251.3%480
58.3%
23Pirarucu 3.3.5 64-bit 4CPU3132+18−1848.5%+9.744.1%948
60.1%
 Pirarucu 3.2.4 64-bit 4CPU3129+15−1547.3%+16.149.2%1280
50.4%
24Protector 1.9.0 64-bit 4CPU3129+9−947.1%+19.141.8%4968
52.1%
25Winter 0.8 64-bit 4CPU3128+21−2151.3%−9.634.0%738
61.2%
 Vajolet2 2.5 64-bit 4CPU3124+20−2048.3%+11.143.5%809
59.5%
 Arasan 20.1 64-bit 4CPU3120+24−2360.5%−67.942.3%562
51.6%
 Arasan 20.3 64-bit 4CPU3119+18−1843.2%+46.541.6%973
52.6%
 Defenchess 1.1f 64-bit 4CPU3119+14−1447.0%+19.841.6%1701
49.4%
 Ethereal 9.30 64-bit 4CPU3119+29−2954.5%−28.245.9%364
55.9%
 ChessBrainVB 3.70 4CPU3116+17−1750.5%−4.243.0%1060
61.5%
 Nemorino 4.00 64-bit 4CPU3112+23−2348.0%+13.842.6%587
68.4%
 Combusken 1.1.0 64-bit 4CPU3105+15−1556.8%−41.247.4%1423
49.9%
 Rodent III 0.276 64-bit 4CPU3105+58−6130.6%+122.043.3%90
51.1%
 Demolito 2018-10-29 64-bit 4CPU3104+16−1651.1%−7.243.8%1227
50.4%
 RubiChess 1.3 64-bit 4CPU3104+23−2358.7%−63.440.8%635
56.0%
26Monolith 2 64-bit 4CPU3102+17−1766.0%−105.741.3%1184
55.3%
27Amoeba 3.1 64-bit 4CPU3100+13−1350.2%−1.044.4%1909
64.9%
 Senpai 1.0 64-bit 4CPU3096+16−1636.2%+98.635.7%1355
55.2%
 Pirarucu 2.9.5 64-bit 4CPU3095+17−1751.4%−10.747.0%1038
55.8%
 Stockfish 1.6s JA 64-bit 4CPU3093+13−1366.6%−115.638.6%2185
60.6%
 Laser 1.4 64-bit 4CPU3090+19−1948.4%+11.441.1%909
50.6%
28Rodent III 0.273 64-bit 4CPU3090+17−1747.0%+18.146.1%1131
51.1%
 Stockfish 1.6.3 64-bit 4CPU3089+13−1365.3%−107.538.0%2172
55.5%
 Ethereal 9.00 64-bit 4CPU3088+19−1950.5%−6.344.9%909
50.3%
29FabChess 1.15 64-bit 4CPU3088+21−2155.9%−37.041.1%700
53.6%
 Protector 1.5.0 64-bit 4CPU3086+15−1540.5%+64.537.3%1682
52.1%
 Arasan 20.0 64-bit 4CPU3085+59−6227.5%+142.041.6%89
54.7%
 Vajolet2 2.4 64-bit 4CPU3081+17−1743.1%+46.639.6%1202
49.5%
 chess22k 1.11 64-bit 4CPU3081+21−2143.7%+38.549.8%687
63.5%
 Marvin 3.5.0 64-bit 4CPU3076+18−1845.8%+26.443.9%944
53.4%
 Xiphos 0.1 64-bit 4CPU3075+20−2043.5%+40.641.4%804
56.9%
 Winter 0.7 64-bit 4CPU3073+14−1452.1%−14.239.8%1741
67.9%
 Vajolet2 2.2 64-bit 4CPU3067+18−1846.2%+23.042.7%1010
67.0%
30Cheng 4.39 64-bit 4CPU3063+12−1244.5%+34.344.3%2378
55.4%
 Nemorino 3.0 64-bit 4CPU3060+33−3343.6%+47.536.6%320
56.8%
31Topple 0.7.5 64-bit 4CPU3057+19−1948.2%+11.243.9%864
53.4%
32Bobcat 8.0 64-bit 4CPU3056+11−1147.3%+15.745.9%2786
56.3%
 Vajolet2 2.3 64-bit 4CPU3054+23−2350.6%−7.037.9%588
54.4%
33Crafty 25.2 64-bit 4CPU3052+15−1549.0%+6.639.5%1428
61.0%
 Amoeba 3.0 64-bit 4CPU3049+16−1651.6%−8.844.6%1192
51.5%
 Marvin 3.4.0 64-bit 4CPU3049+16−1654.2%−29.141.2%1307
52.0%
 Rodent III 0.232 64-bit 4CPU3048+19−1940.1%+68.236.3%945
63.5%
 Rodent IV 022 64-bit 4CPU3044+11−1142.2%+48.747.5%2638
56.8%
 Combusken 1.0.0 64-bit 4CPU3042+16−1647.3%+17.543.0%1264
54.1%
 Topple 0.7.4 64-bit 4CPU3041+15−1551.5%−8.741.2%1458
69.6%
 Bobcat 7.6 64-bit 4CPU3035+19−2043.7%+40.246.5%820
55.0%
34Bagatur 2.1 64-bit 4CPU3033+25−2547.7%+14.546.9%475
57.6%
 Ethereal 8.81 64-bit 4CPU3029+22−2244.3%+36.840.8%682
50.1%
 Igel 2.1.0 64-bit 4CPU3029+20−2052.6%−26.343.3%759
51.8%
 Minic 1.35 64-bit 4CPU3029+30−2957.5%−45.441.1%355
50.8%
 Stockfish 1.5.1 64-bit 4CPU3028+14−1458.9%−61.038.6%1649
80.4%
 FabChess 1.14 64-bit 4CPU3018+17−1752.2%−13.045.4%1086
53.8%
35EXchess 7.97b 64-bit 4CPU3017+14−1445.6%+30.038.6%1636
64.0%
 Nemorino 2.00 64-bit 4CPU3012+25−2543.2%+43.940.8%500
64.3%
36Asymptote 0.8 64-bit 4CPU3006+18−1849.7%+1.237.3%1005
53.5%
 Rodent III 0.210 64-bit 4CPU3004+32−3233.4%+109.937.3%332
51.8%
 Winter 0.6 64-bit 4CPU3003+23−2353.8%−24.039.0%592
53.5%
 Demolito 2017-08-26 64-bit 4CPU3002+23−2436.1%+97.033.7%644
48.6%
37Invictus r305 64-bit 4CPU3002+13−1348.4%+10.245.3%1857
57.8%
 Topple 0.7.2 64-bit 4CPU2998+34−3464.8%−100.632.9%304
57.1%
38Scorpio 2.8 64-bit 4CPU2995+17−1742.4%+49.936.8%1101
65.9%
39Tucano 7.00 64-bit 4CPU2990+18−1841.4%+56.541.2%1035
48.7%
 Tucano 8.00 64-bit 4CPU2990+21−2149.5%+2.042.2%728
72.0%
 Asymptote 0.7 64-bit 4CPU2982+19−1943.1%+44.238.9%909
51.3%
 Scorpio 2.7.9 64-bit 4CPU2981+25−2545.8%+27.536.9%520
59.3%
40Weiss 1.0 64-bit 4CPU2977+30−3049.0%+5.838.0%353
52.1%
 Stockfish 1.4 64-bit 4CPU2976+15−1553.9%−30.235.2%1596
57.9%
 Rodent III 0.172 64-bit 4CPU2973+23−2341.8%+54.334.1%639
53.9%
 Protector 1.4.0 64-bit 4CPU2972+13−1332.3%+129.233.6%2343
51.1%
 Bagatur 2.0 64-bit 4CPU2971+16−1645.8%+25.242.7%1261
62.2%
41Counter 3.4 64-bit 4CPU2968+18−1852.9%−19.340.6%948
54.1%
 Topple 0.7.3 64-bit 4CPU2966+30−3039.9%+63.243.2%338
56.8%
42Toga II 4.0 64-bit 4CPU2963+20−2136.8%+93.932.8%848
50.6%
 Protector 1.3.5 64-bit 4CPU2962+27−2736.7%+89.039.6%455
59.0%
 FabChess 1.13 64-bit 4CPU2958+18−1855.6%−36.641.3%941
71.5%
 Protector 1.3.4 64-bit 4CPU2952+13−1340.3%+64.641.0%2122
64.6%
 Bagatur 1.9 64-bit 4CPU2947+23−2338.9%+72.438.5%615
53.4%
 Winter 0.5 64-bit 4CPU2945+23−2256.5%−43.336.2%650
63.0%
 Marvin 3.3.2 64-bit 4CPU2941+20−2053.8%−26.741.4%811
56.5%
 Tucano 7.05 64-bit 4CPU2937+30−3032.2%+124.237.7%382
58.7%
 Asymptote 0.6.3 64-bit 4CPU2933+25−2554.5%−29.336.8%506
56.7%
 Toga II 3.0 4CPU2930+17−1725.3%+196.428.5%1459
90.7%
43Glaurung 2.2 64-bit 4CPU2917+11−1149.7%−1.236.6%2918
72.5%
44MinkoChess 1.3 64-bit 4CPU2910+16−1646.1%+25.137.4%1217
61.6%
 Monolith 1.0 64-bit 4CPU2907+16−1648.9%+5.743.4%1189
61.4%
 Toga II 1.4 beta5c 4CPU2904+9−935.7%+105.233.9%5355
53.9%
 Marvin 3.2.0 64-bit 4CPU2903+22−2250.5%−3.041.5%672
49.9%
 Minic 0.98 64-bit 4CPU2903+29−2865.3%−105.830.1%438
57.6%
 Glaurung 2.1 64-bit 4CPU2900+11−1145.9%+28.735.7%2686
52.6%
 Toga II 1.4.1SE 4CPU2899+11−1144.9%+37.735.8%3128
62.2%
 Winter 0.4a 64-bit 4CPU2895+26−2556.1%−40.938.5%488
98.8%
 Glaurung 2.0.1 64-bit 4CPU2861+13−1341.3%+60.535.0%2227
54.2%
 Igel 1.8.2 64-bit 4CPU2859+31−3147.8%+13.930.2%348
60.9%
 Igel 1.9.0 64-bit 4CPU2854+25−2542.8%+45.539.1%491
56.2%
 Minic 0.47 64-bit 4CPU2850+37−3670.3%−136.626.5%291
80.4%
 Igel 1.5.1 64-bit 4CPU2830+30−2957.8%−55.426.0%400
73.5%
 Topple 0.5.0 64-bit 4CPU2819+18−1846.3%+26.130.8%1098
55.3%
 Winter 0.3 64-bit 4CPU2817+24−2446.7%+24.128.3%618
94.6%
45Fridolin 3.10 64-bit 4CPU2790+23−2346.6%+24.031.2%629
67.4%
 Asymptote 0.5 64-bit 4CPU2782+28−2853.1%−22.032.5%421
77.6%
 Glaurung 1.2.1 32-bit 4CPU2769+15−1543.2%+46.033.8%1495
78.2%
 Fridolin 3.00 64-bit 4CPU2755+33−3267.7%−121.828.7%345
49.7%
 Minic 0.65 64-bit 4CPU2755+24−2445.2%+50.723.4%640
76.5%
 Crafty 23.0 64-bit 4CPU2744+17−1728.1%+157.928.1%1436
85.1%
 Scorpio 2.0 32-bit 4CPU2730+19−2029.1%+154.329.4%1005
72.7%
 Scorpio 2.1 64-bit 4CPU2723+17−1727.5%+173.323.2%1495
93.5%
 Minic 0.40 64-bit 4CPU2693+34−3368.0%−131.323.7%367
79.6%
 Topple 0.3.4 64-bit 4CPU2674+31−3167.6%−129.321.3%400
98.5%
46Detroid 1.0.1 64-bit 4CPU2625+31−3150.4%−2.129.4%344
99.6%
 Arasan 11.3 64-bit 4CPU2574+22−2312.5%+339.513.0%1386
98.2%
 Topple 0.3.1 64-bit 4CPU2532+32−3243.1%+48.722.9%341
98.1%
47Nemeton 1.81 4CPU2489+24−2451.1%−7.224.5%600
80.2%
 Nemeton 1.7 4CPU2472+30−3049.1%+6.824.4%377
100.0%
48Halogen 5 64-bit 4CPU2407+15−1538.8%+80.224.4%1583
96.3%
 Invictus r228 64-bit 4CPU2374+33−3256.6%−47.524.2%335
100.0%
 Halogen 4 64-bit 4CPU2280+26−2647.4%+18.522.8%508
 

Results matrix

Open source multi-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 12 64-bit 8CPU3692 52.5 − 40.5
+14−2=77
−17
 82.5 − 9.5
+73−0=19
+62
   83.5 − 8.5
+75−0=17
+8
    
2Lc0 0.25.1 t40-1541 RTX2080364440.5 − 52.5
+2−14=77
+17
  78 − 21
+59−2=38
−22
        
3Ethereal 12.25 64-bit 4CPU3470   36.5 − 28.5
+19−11=35
−4
  19 − 10
+10−1=18
−23
     
4Xiphos 0.6 64-bit 4CPU34309.5 − 82.5
+0−73=19
−62
21 − 78
+2−59=38
+22
28.5 − 36.5
+11−19=35
+4
  68 − 49
+32−13=72
−19
19 − 10
+11−2=16
+18
65.5 − 45.5
+30−10=71
−24
71.5 − 42.5
+34−5=75
−7
   
5Nemorino 6.00 64-bit 4CPU3416     21 − 15
+12−6=18
0
 19 − 16
+7−4=24
−38
21 − 14
+13−6=16
−1
24 − 12
+14−2=20
+18
24.5 − 11.5
+17−4=15
−14
 
6Laser 1.7 64-bit 4CPU3365   49 − 68
+13−32=72
+19
15 − 21
+6−12=18
0
 16 − 14
+8−6=16
+19
59.5 − 51.5
+20−12=79
+9
 58.5 − 50.5
+25−17=67
−8
42.5 − 19.5
+28−5=29
+36
 
7RubiChess 1.7.3 64-bit 4CPU3360  10 − 19
+1−10=18
+23
10 − 19
+2−11=16
−18
 14 − 16
+6−8=16
−19
 17 − 13
+8−4=18
+33
14 − 16
+7−9=14
−27
14.5 − 15.5
+8−9=13
−33
17.5 − 11.5
+11−5=13
−12
 
8Booot 6.4 64-bit 4CPU33568.5 − 83.5
+0−75=17
−8
  45.5 − 65.5
+10−30=71
+24
16 − 19
+4−7=24
+38
51.5 − 59.5
+12−20=79
−9
13 − 17
+4−8=18
−33
 55 − 54
+20−19=70
0
57.5 − 53.5
+24−20=67
−10
33.5 − 29.5
+15−11=37
−51
 
9Defenchess 2.2 64-bit 4CPU3354   42.5 − 71.5
+5−34=75
+7
14 − 21
+6−13=16
+1
 16 − 14
+9−7=14
+27
54 − 55
+19−20=70
0
 34 − 24
+16−6=36
+26
37 − 26
+20−9=34
−15
 
10Andscacs 0.95 64-bit 4CPU3336    12 − 24
+2−14=20
−18
50.5 − 58.5
+17−25=67
+8
15.5 − 14.5
+9−8=13
+33
53.5 − 57.5
+20−24=67
+10
24 − 34
+6−16=36
−26
 34.5 − 28.5
+18−12=33
−20
 
11Arasan 22.1 64-bit 4CPU3287    11.5 − 24.5
+4−17=15
+14
19.5 − 42.5
+5−28=29
−36
11.5 − 17.5
+5−11=13
+12
29.5 − 33.5
+11−15=37
+51
26 − 37
+9−20=34
+15
28.5 − 34.5
+12−18=33
+20
  
12Gull 3 64-bit 4CPU3259            
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 multi-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 12 64-bit 8CPU3692 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Lc0 0.25.1 t40-1541 RTX208036440.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Ethereal 12.25 64-bit 4CPU34700.00.0 100.099.7100.0100.0100.0100.0100.0100.0100.0
4Xiphos 0.6 64-bit 4CPU34300.00.00.0 79.3100.0100.0100.0100.0100.0100.0100.0
5Nemorino 6.00 64-bit 4CPU34160.00.00.320.7 99.999.6100.0100.0100.0100.0100.0
6Laser 1.7 64-bit 4CPU33650.00.00.00.00.1 62.388.193.2100.0100.0100.0
7RubiChess 1.7.3 64-bit 4CPU33600.00.00.00.00.437.7 61.566.394.5100.0100.0
8Booot 6.4 64-bit 4CPU33560.00.00.00.00.011.938.5 58.899.2100.0100.0
9Defenchess 2.2 64-bit 4CPU33540.00.00.00.00.06.833.741.2 98.9100.0100.0
10Andscacs 0.95 64-bit 4CPU33360.00.00.00.00.00.05.50.81.1 100.0100.0
11Arasan 22.1 64-bit 4CPU32870.00.00.00.00.00.00.00.00.00.0 99.3
12Gull 3 64-bit 4CPU32590.00.00.00.00.00.00.00.00.00.00.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Rating list
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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 October 17, 2020