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 32-bit engines

Comparing 276 engines!
133 best versions of selected engines played 14408 games with each other

CCRL Blitz Rating List — Open source 32-bit 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+
1Lc0 0.25.1 t40-1541 RTX20803644+17−1765.6%−104.357.9%1089 
98.6%
 Lc0 0.23.1 w42850 RTX20803620+13−1362.1%−74.067.8%1789
99.0%
 Lc0 0.22.0 w49921 RTX20803597+15−1563.8%−82.265.5%1292
100.0%
 LC0 0.24.1 w591226 GTX10503521+17−1753.5%−21.861.9%946
99.1%
 Lc0 0.21.1 JH.T6.532 GTX10503492+16−1657.1%−46.353.2%1200
93.7%
 Lc0 0.21.1 w41800 GTX10503474+17−1755.7%−37.451.2%1000
97.6%
 Lc0 0.20.2 w32930 GTX10503452+14−1459.2%−60.848.4%1600
96.4%
 Lc0 0.20.1 w36089 GTX980Ti3425+25−2461.9%−73.755.7%490
100.0%
 Lc0 0.20.1 w36089 OpenCL GTX980Ti3318+26−2645.2%+30.254.4%439
100.0%
2ChessBrainVB 3.74 4CPU3169+14−1454.2%−27.241.9%1596
100.0%
 ChessBrainVB 3.70 4CPU3116+17−1750.5%−4.243.0%1060
100.0%
 ChessBrainVB 3.723048+19−1952.3%−19.331.5%927
100.0%
 ChessBrainVB 3.743004+17−1749.4%+2.731.8%1269
64.1%
 ChessBrainVB 3.702999+17−1751.3%−10.834.9%1116
51.1%
 Stockfish 2.0.1 32-bit2999+41−3974.7%−178.130.4%237
71.0%
 ChessBrainVB 3.682984+29−2952.1%−14.433.8%397
67.6%
 ChessBrainVB 3.662977+16−1650.9%−7.236.5%1319
100.0%
3Toga II 3.0 4CPU2930+17−1725.3%+196.428.5%1459
89.8%
 ChessBrainVB 3.602907+32−3253.2%−21.534.2%310
52.7%
 ChessBrainVB 3.502905+15−1549.7%+3.734.2%1510
55.9%
 Toga II 1.4 beta5c 4CPU2904+9−935.7%+105.233.9%5355
75.6%
 Toga II 1.4.1SE 4CPU2899+11−1144.9%+37.735.8%3128
99.2%
 Toga II 3.02875+17−1754.0%−27.734.2%1204
100.0%
4Booot 5.1.02838+11−1148.2%+14.632.0%3102
77.4%
 ChessBrainVB 3.312828+24−2453.7%−27.929.8%574
64.0%
 Toga II 1.4.1SE2823+10−950.1%+0.734.0%4172
65.4%
 Toga II 1.4 beta5c2820+13−1448.9%+5.734.9%1918
92.5%
 ChessBrainVB 3.202804+17−1749.7%+0.633.6%1219
96.1%
 Booot 5.02784+15−1557.6%−57.431.3%1715
90.9%
 Toga II 1.3.12772+10−1046.3%+27.132.8%4308
61.2%
5Glaurung 1.2.1 32-bit 4CPU2769+15−1543.2%+46.033.8%1495
80.1%
 Toga II 1.2.1a 32-bit2762+9−952.1%−19.133.4%4523
98.6%
 ChessBrainVB 3.022740+17−1749.0%+7.929.7%1156
58.2%
 Toga II 1.1a 32-bit2735+39−3776.7%−205.120.9%302
56.5%
 Glaurung 2.1 32-bit2731+34−3364.9%−105.727.6%319
50.8%
6Scorpio 2.0 32-bit 4CPU2730+19−2029.1%+154.329.4%1005
96.9%
7Bison 9.11 32-bit2698+27−2747.3%+19.724.0%499
73.9%
8DanaSah 8.32688+18−1849.1%+6.530.1%1108
58.9%
 Fruit 2.12684+24−2448.3%+13.629.1%604
72.9%
9K2 0.952674+24−2456.1%−44.922.9%634
66.8%
 Booot 4.15.12667+14−1448.6%+13.928.2%2010
54.0%
10Vajolet 2.482666+17−1745.8%+30.927.1%1264
56.2%
 Booot 4.15.02665+12−1249.8%+2.932.6%2442
85.2%
 Glaurung 1.2.1 32-bit2657+10−945.2%+33.629.6%4173
57.4%
 Scorpio 2.0 32-bit2655+12−1250.5%−2.235.2%2542
53.8%
11Phalanx XXV2654+12−1250.1%−1.125.8%2770
56.4%
 DanaSah 7.92651+42−4427.7%+170.129.5%224
55.2%
 Scorpio 1.812648+14−1445.7%+21.526.2%2021
76.8%
 Scorpio 1.92641+13−1337.3%+92.027.8%2357
51.6%
 Scorpio 1.912640+12−1243.2%+48.632.0%2381
53.2%
 ChessBrainVB 2.052639+17−1752.0%−13.231.1%1153
55.7%
 Scorpio 1.822637+20−2052.2%−27.822.5%1024
63.7%
 Scorpio 1.842632+20−2027.0%+169.826.4%1026
65.3%
 Vajolet 2.032627+18−1849.2%−2.023.4%1305
62.4%
 Scorpio 1.82623+15−1540.6%+69.927.0%1803
72.2%
 DanaSah 7.32617+15−1548.2%+12.731.8%1574
60.7%
12Delfi 5.12614+12−1151.3%−9.229.8%2671
55.9%
 Glaurung 1.0.2 32-bit2612+29−2935.9%+100.428.8%427
52.3%
 Booot 4.14.02611+21−2149.7%+1.931.8%758
64.5%
13Caligula 0.9g2606+18−1758.7%−62.127.1%1172
58.7%
14GreKo 2015-ML2602+31−3150.7%−5.630.5%338
59.3%
 DanaSah 7.02597+16−1651.3%−9.230.8%1294
78.3%
 K2 0.912589+14−1449.7%+2.531.0%1721
52.3%
15Nawito 18122588+17−1747.3%+18.632.6%1203
50.2%
 Phalanx XXIV2588+16−1652.0%−16.124.6%1445
59.7%
 K2 0.872585+17−1749.3%+5.028.4%1208
54.0%
 Nawito 19062584+18−1748.6%+10.629.5%1118
74.1%
 DanaSah 6.502577+14−1448.9%+7.329.6%1744
53.6%
 Delfi 5.02576+15−1539.5%+78.231.1%1562
79.3%
16Betsabe II 1.962566+16−1650.5%−3.324.1%1348
61.6%
 Booot 4.13.12563+13−1349.0%+6.432.8%2049
66.1%
 K2 0.832559+16−1650.6%−5.026.4%1358
54.6%
 Caligula 0.9f2555+66−6654.7%−25.032.0%75
60.5%
 Tucano 1.042545+36−3660.7%−78.523.4%286
57.1%
 Betsabe II 1.842541+12−1249.1%+6.323.0%2634
84.0%
 DanaSah 4.882533+12−1248.9%+6.728.3%2487
62.0%
 DanaSah 4.662530+18−1848.7%+8.825.3%1177
71.2%
 Betsabe II 1.752523+17−1749.4%+4.321.5%1219
60.4%
17Crafty 20.14 32-bit2518+27−2736.5%+104.122.7%529
64.0%
 DanaSah 5.002510+36−3557.2%−56.122.8%290
55.6%
 GreKo 10.3.12507+19−1950.4%−1.827.6%1016
53.0%
 Caligula 0.82506+17−1758.7%−61.623.5%1257
54.4%
 DanaSah 4.242505+13−1347.1%+20.628.8%2208
53.3%
 Crafty 18.15 32-bit2503+34−3444.7%+37.428.7%303
50.7%
 K2 0.792503+20−2053.2%−25.125.8%925
73.1%
18Magnum 4.0 32-bit2496+14−1452.0%−21.624.8%2045
53.9%
 Betsabe II 1.662495+18−1850.5%−3.622.4%1112
59.0%
19Pepito 1.59 32-bit2492+13−1350.7%−4.930.4%2293
54.7%
 DanaSah 4.452491+20−2045.4%+31.926.7%930
54.2%
20Nemeton 1.81 4CPU2489+24−2451.1%−7.224.5%600
56.1%
 Crafty 19.19 32-bit2486+28−2848.4%+13.030.7%436
59.8%
21Gothmog 1.0b102482+15−1556.1%−47.321.7%1557
54.8%
22CuckooChess 1.102481+17−1741.2%+64.025.6%1307
68.1%
 Nemeton 1.7 4CPU2472+30−3049.1%+6.824.4%377
54.4%
 Betsabe II 1.472470+16−1654.3%−31.922.4%1574
99.6%
23Counter 1.22446+10−948.0%+13.736.0%3950
51.8%
 BBChess 1.3b2443+101−10635.0%+96.036.7%30
58.5%
 Nemeton 1.82432+15−1548.9%+7.824.9%1568
50.3%
 Phalanx XXIII2432+18−1848.2%+13.522.0%1090
70.6%
 Nemeton 1.812425+18−1847.2%+20.323.2%1127
64.1%
 Caligula 0.7b2420+16−1648.3%+13.923.7%1416
52.2%
 Nemeton 1.512420+16−1653.4%−24.423.7%1483
60.6%
 GreKo 8.0 32-bit2417+17−1748.4%+9.629.7%1224
62.9%
24‑25Kiwi 0.6d 32-bit2413+16−1645.2%+33.424.6%1454
49.4%
24‑25Typhoon 1.00-3582413+17−1745.5%+33.723.6%1384
80.8%
26Arasan 9.52399+27−2750.8%−9.722.9%533
63.0%
 Nemeton 1.72393+17−1748.3%+11.925.6%1179
68.1%
 GreKo 7.2 32-bit2388+18−1849.5%+2.428.3%1110
61.6%
27Diablo 0.5.12385+9−948.5%+10.526.9%4564
55.8%
28Amy 0.87b2384+8−847.8%+15.021.3%5635
48.1%
 K2 0.712384+18−1854.7%−37.321.6%1213
87.7%
 Nemeton 1.62369+19−1943.6%+45.124.8%963
49.4%
 Phalanx XXIII beta2369+15−1548.5%+10.919.3%1660
55.1%
29RomiChess P3kLD2367+22−2236.8%+97.524.1%806
64.3%
 Arasan 9.22362+23−2335.9%+105.122.5%778
79.3%
 Phalanx XXII Reborn JA2350+13−1355.3%−47.120.3%2536
66.0%
 Nemeton 1.412346+17−1748.2%+12.921.9%1305
78.0%
 GreKo 6.52337+18−1849.1%+5.726.2%1162
74.8%
30Thor's Hammer 2.28 32-bit2329+13−1356.2%−51.918.6%2443
56.9%
31Amundsen 0.802327+17−1655.1%−42.218.6%1522
92.7%
 Nemeton 1.32309+19−1946.1%+27.026.0%978
57.4%
 Nemeton 1.22306+18−1851.1%−8.225.1%1070
98.1%
 Betsabe II 1.092262+39−3781.7%−314.711.4%428
53.5%
32Natwarlal 0.142260+8−848.4%+10.921.0%7288
72.7%
 Nemeton 1.12252+25−2547.3%+19.421.3%600
67.1%
33CeeChess 1.32245+20−2045.9%+32.021.7%919
99.3%
34EXchess 4.032213+16−1651.8%−21.425.5%1564
55.8%
 GreKo 5.12210+35−3458.1%−68.022.5%316
54.0%
 CeeChess 1.3.22206+61−6340.6%+69.320.8%96
54.3%
35Beowulf 2.4a 32-bit2203+10−1049.2%+5.421.0%4012
72.5%
36RattateChess 1.0 Nosferatu2198+12−1248.4%+12.319.3%2801
76.1%
37‑38Feuerstein 0.4.6.12192+14−1457.6%−66.420.0%2057
48.0%
37‑38MagiC 2 32-bit2192+19−1950.8%−4.422.4%988
75.6%
39MORA 1.0.02183+19−1851.9%−14.421.0%1081
60.6%
 K2 0.572179+18−1852.8%−24.720.7%1159
89.7%
 MORA 1.1.02162+20−2050.5%−3.825.4%850
83.4%
40Carballo 0.82146+25−2553.8%−47.020.0%626
86.2%
 K2 0.43f2129+18−1850.0%+1.019.3%1122
65.3%
 Jabba 1.0 32-bit2111+83−8543.0%+47.022.0%50
77.2%
41Parrot 07.07.222079+14−1449.8%+1.520.3%2092
74.5%
42AdroitChess 0.42071+18−1947.6%+20.117.3%1137
92.5%
43King's Out 0.2.422052+18−1851.9%−20.616.5%1322
97.1%
44PLP 16615712030+16−1653.7%−33.112.9%1570
61.3%
 MagiC 1.02026+21−2140.8%+70.617.1%861
97.1%
 AdroitChess 0.31998+19−1956.1%−52.016.5%1049
49.0%
45Sjaak 3991998+19−1948.3%+13.219.0%1038
71.5%
46‑47Gullydeckel 2.16pl11992+10−1051.0%−7.518.5%3988
51.3%
46‑47Small Potato 0.6.11992+10−1048.8%+6.120.8%4324
65.3%
48Cupcake 1.01988+18−1944.2%+42.616.6%1172
57.1%
49Wowl 1.31985+28−2945.4%+35.118.5%454
63.8%
50‑51Faile 1.4.41979+8−845.2%+42.223.1%6260
51.9%
50‑51Slibo 0.5.11979+20−2052.0%−23.319.1%927
63.1%
 K2 0.351972+34−3445.0%+44.320.5%317
60.3%
52Sissa 2.01967+22−2345.7%+32.531.6%675
52.9%
 Vice 1.11962+138−11680.4%−225.017.9%28
52.7%
 Monik 2.2.2 32-bit1957+57−6022.8%+288.812.7%189
51.0%
53Eia 0.31956+17−1750.6%−0.321.6%1289
50.3%
 Micro-Max 4.8 (DM-PII)1956+70−7047.9%+19.720.8%72
53.4%
54Micro-Max 4.81953+9−948.2%+15.322.2%5925
92.6%
55ChessKISS 1.31940+15−1552.6%−17.219.2%1816
90.4%
56BibiChess 0.51929+11−1150.0%−3.221.6%3564
75.6%
57Smash 1.0.31924+10−1048.3%+11.617.8%4501
65.1%
58SamChess1921+12−1254.4%−51.117.7%2794
50.6%
59Jabba 130320121920+24−2435.5%+113.117.0%684
61.7%
 Fairy-Max 5.0b31916+19−1951.5%−12.619.8%999
72.5%
60Claudia 0.51907+19−1947.4%+20.717.9%1087
53.1%
61Dabbaba 7.491906+13−1352.9%−38.417.0%2460
57.2%
62Robocide1904+24−2447.5%+14.614.2%777
79.7%
 Fairy-Max 5.0b1890+22−2251.0%−8.117.8%800
50.6%
63Zeta v0.99m GTX10501890+26−2745.7%+31.814.7%550
75.0%
64Purple Haze 2.1.01880+12−1251.1%−7.213.8%3060
73.6%
 Zeta v0.99l GTX10501870+30−3041.7%+63.715.7%426
50.3%
65Zevra 1.6 r4971870+31−3145.5%+32.119.8%379
59.9%
66‑67Arabian Knight 1.511864+26−2663.3%−153.814.2%719
51.7%
66‑67NG-Play 8.41864+19−1951.8%−17.518.1%1106
53.5%
68Simontacchi 1.811863+14−1457.2%−57.912.5%2096
92.3%
69Raven 0.401841+25−2550.0%+1.415.4%591
65.3%
 Wowl 1.3.81835+20−2128.6%+176.610.4%1091
50.5%
70Barbarossa 0.1.01834+37−3662.1%−92.216.7%318
78.4%
 Dabbaba 2.621817+16−1644.6%+42.013.8%1946
59.7%
71RataAeroespacial 0.2.11815+13−1351.9%−15.512.2%2361
76.6%
72ChessterfieldCL i5a1808+14−1447.4%+21.818.6%2252
70.6%
73MorphyChess 1.0.51802+14−1451.2%−5.019.8%2119
55.5%
74CDrill 1800 build 41801+17−1746.8%+31.314.5%1432
86.6%
 Eia 0.21786+20−2045.5%+37.718.7%1028
69.4%
75Bremboce 0.6.21780+18−1754.7%−56.214.3%1388
81.1%
 Zevra 1.31 r3401766+26−2649.3%+4.521.5%543
75.4%
76Chenard 2009.09.191754+18−1928.0%+216.711.1%1614
54.5%
 Zevra 1.21 r2901753+28−2837.6%+90.827.1%458
53.5%
 NG-Play 8.31750+41−4167.9%−204.415.8%310
56.5%
77Ziggy 0.71747+20−2060.9%−116.214.7%1169
68.9%
78Zurichess 1501161737+31−3142.7%+68.928.8%410
61.7%
79Zzzzzz 3.511731+17−1748.9%+10.722.7%1257
79.1%
80TSCP 1.811723+10−1048.7%+10.615.4%4796
70.9%
81Kitteneitor 0.22.11717+18−1850.5%−5.234.5%1052
62.9%
 Pulse 1.4.01709+42−4253.0%−25.520.6%218
54.7%
82‑83RumbleMinze 1.0.331706+28−2840.8%+85.214.0%557
49.2%
82‑83Testina 3c1706+29−2964.6%−135.927.8%474
79.1%
84Jester 0.841692+16−1650.4%−3.613.4%1565
85.1%
85Mizar 3.01682+10−1047.8%+20.916.2%4399
59.3%
 RumbleMinze 1.0.301679+22−2246.3%+28.918.9%774
65.5%
86‑87BACE 0.451675+11−1149.3%+2.817.9%3487
49.5%
86‑87PolarChess 1.31675+13−1352.4%−20.316.9%2687
99.9%
88Spartan 1.01634+23−2349.3%+8.318.0%748
58.7%
89MSCP 1.441631+12−1246.8%+24.318.6%3058
60.9%
90ChessRikus 1.4661629+13−1351.2%−7.817.8%2477
76.5%
 BACE 0.461620+20−2047.3%+22.222.8%974
54.5%
91Chess4j 2.01618+36−3729.2%+171.521.7%327
60.3%
92AdaChess 2.01612+19−1947.0%+21.216.9%1119
61.2%
93Philemon C1608+16−1654.3%−29.324.5%1551
61.3%
 Kitteneitor 0.12.11603+31−3150.6%−5.738.9%324
73.0%
 Kitteneitor 0.18.1 32-bit1588+38−3853.5%−45.932.7%318
58.5%
94Darky 0.5d1583+22−2247.0%+17.217.1%872
61.6%
 ACE21569+91−9155.1%−64.618.6%59
51.0%
95VanillaChess 2.6g1568+18−1855.1%−38.717.7%1274
70.9%
 MSCP 1.6h1558+29−3046.1%+22.910.8%545
84.1%
96Larsen VB 0.05.00011541+14−1443.1%+57.318.4%2251
99.8%
 Vajolet 0.4.11511+16−1644.4%+45.515.6%1629
50.1%
97Yawce 0.161511+22−2251.8%−18.214.6%845
66.0%
98Exacto 0.d1506+13−1341.5%+64.825.5%2275
54.2%
 Purple Haze 2.01505+13−1433.1%+153.820.8%2534
68.6%
99Alibaba 1.381498+23−2344.4%+44.616.6%832
82.8%
100Butterfly 0.41485+15−1540.1%+72.039.7%1492
63.8%
101APILChess 1.05r1b1481+16−1642.6%+58.722.4%1561
65.8%
102Apep 1.011475+24−2444.7%+44.68.4%812
58.5%
 St Andersen 1.311468+56−5742.3%+53.517.9%117
56.0%
 Raven 0.301463+20−2051.9%−14.511.9%1023
92.7%
103Irina 0.151435+32−3333.5%+125.118.5%379
56.1%
 Braincrack alpha1429+67−7419.7%+257.111.9%109
51.2%
 Alibaba 1.401428+20−2040.5%+74.719.5%1032
51.5%
 Joanna 2002 1.061426+64−6544.6%+52.638.6%83
57.0%
104Suff 0.3.a1420+22−2241.6%+68.321.7%820
60.5%
 Abulafia 0.611414+38−3933.0%+161.714.9%356
54.9%
105MiniMardi 1.31412+11−1139.5%+90.518.0%4095
54.8%
106Numpty DD1410+24−2429.9%+166.318.2%802
93.9%
107Skaki 1.231385+21−2154.2%−21.118.0%1001
66.0%
 Numpty Omega1379+16−1632.6%+140.319.9%1742
99.7%
108Joanna 2002 1.031344+21−2138.1%+107.226.3%1017
56.1%
 Numpty 0.7pr1341+25−2619.5%+259.915.4%781
60.7%
 uMax 1.6w1335+32−3260.7%−81.449.2%313
81.3%
109Fimbulwinter 5.001317+26−2637.6%+98.812.2%748
98.7%
110Project Invincible 2.101277+23−2344.0%+52.717.2%746
59.3%
111QuTeChess 1.0.1t r31273+22−2248.9%+36.836.6%829
63.7%
112Chess 1.3.1 by David Cimbalista1268+20−2050.4%+2.523.3%966
84.6%
113Sargon 1978 1.001253+19−1943.5%+46.739.4%992
77.1%
114Tikov 0.6.31244+16−1745.1%+61.717.3%1647
75.3%
115Pierre 1.71235+19−1954.3%−37.712.1%1306
54.6%
 Enxadrista 1.01229+104−8472.6%−168.016.7%42
54.0%
116Toledo Nanochess Jan/11/20101224+14−1440.3%+95.631.9%2185
95.0%
117‑118Belofte 0.9.121198+27−2841.1%+65.920.0%491
50.4%
117‑118Pulse 1.2.01198+29−2945.8%+33.527.9%445
61.5%
119Enxadrista 1.011192+25−2542.1%+57.615.8%664
64.8%
 BlitzKibitz 51184+35−3537.2%+72.841.4%273
55.4%
 Project Invincible 2.041181+26−2638.6%+156.027.3%674
80.8%
120GrayMatter SVN16041161+35−3037.1%+150.116.9%437
71.6%
121Cassandre 0.241150+18−1854.5%−27.148.1%929
100.0%
122Ronja 0.6.01089+48−3546.6%+27.632.6%644
78.1%
 AdaChess 1.01067+89−5811.3%+488.513.8%320
50.6%
123Talvmenni 0.11066+66−5857.3%−61.435.8%1036
62.7%
124Minnow1061+73−6349.8%−1.341.9%618
95.3%
125Iota 1.0 32-bit1036+94−8857.3%−77.430.5%1322
65.6%
 DarkTemplar 0.11026+118−9918.8%+407.523.8%290
51.5%
126Xadreco 5.71025+107−10045.3%+23.423.0%683
84.0%
 Testina 2.21005+129−11958.0%−82.236.2%414
74.4%
127GIUChess 1.0 beta2993+137−13151.8%−8.633.8%865
53.5%
128Kace 0.82992+141−13349.5%+11.325.3%415
86.4%
129feeks 2018-01-31 LM972+158−15342.2%+67.026.9%1032
77.8%
 Hippocampe 0.4.2954+183−17169.9%−165.136.1%241
62.0%
130Zoe 0.1947+183−17844.1%+71.326.2%1392
96.7%
131Luzhin 0.1926+204−19856.7%−43.638.2%2598
85.5%
132Dreamer908+224−21664.8%−140.919.7%461
96.2%
133Hippocampe 0.4.1872+259−25362.2%−102.331.1%534
99.0%
 Chess4j 1.2832+298−29252.7%+78.534.0%1486
100.0%
 Chess4j 0.1751+379−37329.7%+257.823.7%713
100.0%
 Belofte 0.9.0693+437−43253.6%−43.223.0%3237
100.0%
 MicroChess 1976610+522−51550.0%+3.129.6%230
 

Results matrix

Open source 32-bit engines (best versions only), top 12
#NameElo123456789101112
1Lc0 0.25.1 t40-1541 RTX20803644            
2ChessBrainVB 3.74 4CPU3169            
3Toga II 3.0 4CPU2930            
4Booot 5.1.02838            
5Glaurung 1.2.1 32-bit 4CPU2769            
6Scorpio 2.0 32-bit 4CPU2730            
7Bison 9.11 32-bit2698            
8DanaSah 8.32688            
9K2 0.952674            
10Vajolet 2.482666            
11Phalanx XXV2654            
12Delfi 5.12614            
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 32-bit engines (best versions only), top 12
#NameElo123456789101112
1Lc0 0.25.1 t40-1541 RTX20803644 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2ChessBrainVB 3.74 4CPU31690.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Toga II 3.0 4CPU29300.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Booot 5.1.028380.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
5Glaurung 1.2.1 32-bit 4CPU27690.00.00.00.0 99.9100.0100.0100.0100.0100.0100.0
6Scorpio 2.0 32-bit 4CPU27300.00.00.00.00.1 96.999.9100.0100.0100.0100.0
7Bison 9.11 32-bit26980.00.00.00.00.03.1 73.990.997.599.8100.0
8DanaSah 8.326880.00.00.00.00.00.126.1 82.495.799.9100.0
9K2 0.9526740.00.00.00.00.00.09.117.6 68.592.4100.0
10Vajolet 2.4826660.00.00.00.00.00.02.54.331.5 87.9100.0
11Phalanx XXV26540.00.00.00.00.00.00.20.17.612.1 100.0
12Delfi 5.126140.00.00.00.00.00.00.00.00.00.00.0 
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

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in Elo range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
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Reference rating list:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on October 17, 2020