CCRL Blitz
Downloads and Statistics
January 16, 2021
Testing summary:
Total: 2'442'136 games
played by 2'904 programs

White wins: 939'660 (38.5%)
Black wins: 754'242 (30.9%)
Draws: 748'234 (30.6%)
White score: 53.8%

Open source 32-bit engines

Comparing 279 engines!
133 best versions of selected engines played 14466 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 January 16, 2021 with Bayeselo based on 2'442'136 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 0.26.3 t40-1541 RTX20803649+21−2162.4%−77.561.1%650 
66.2%
 Lc0 0.25.1 t40-1541 RTX20803643+15−1564.4%−93.959.4%1389
99.2%
 Lc0 0.23.1 w42850 RTX20803620+13−1362.1%−74.867.8%1789
98.9%
 Lc0 0.22.0 w49921 RTX20803597+15−1563.8%−82.665.5%1292
100.0%
 LC0 0.24.1 w591226 GTX10503521+17−1753.5%−22.061.9%946
99.0%
 Lc0 0.21.1 JH.T6.532 GTX10503492+16−1657.1%−46.353.2%1200
93.6%
 Lc0 0.21.1 w41800 GTX10503474+17−1755.7%−37.351.2%1000
97.6%
 Lc0 0.20.2 w32930 GTX10503452+14−1459.2%−60.648.4%1600
96.4%
 Lc0 0.20.1 w36089 GTX980Ti3426+24−2461.9%−74.455.7%490
100.0%
 Lc0 0.20.1 w36089 OpenCL GTX980Ti3318+26−2645.2%+30.554.4%439
100.0%
2ChessBrainVB 3.74 4CPU3171+14−1454.2%−27.041.8%1669
100.0%
 ChessBrainVB 3.70 4CPU3117+17−1750.5%−4.443.0%1060
100.0%
 ChessBrainVB 3.723048+19−1952.3%−18.631.5%927
100.0%
 ChessBrainVB 3.743003+16−1549.3%+3.431.6%1460
59.1%
 ChessBrainVB 3.703000+17−1751.3%−11.034.9%1116
50.9%
 Stockfish 2.0.1 32-bit2999+41−3974.7%−177.230.4%237
70.8%
 ChessBrainVB 3.682985+29−2952.1%−14.633.8%397
67.8%
 ChessBrainVB 3.662978+16−1650.9%−7.536.5%1319
100.0%
3Toga II 3.0 4CPU2931+17−1725.3%+196.028.5%1459
89.3%
 ChessBrainVB 3.602908+32−3253.2%−21.734.2%310
53.2%
 ChessBrainVB 3.502906+15−1549.7%+3.534.2%1510
57.2%
 Toga II 1.4 beta5c 4CPU2905+9−935.7%+104.833.9%5355
75.4%
 Toga II 1.4.1SE 4CPU2900+11−1144.9%+37.435.8%3128
99.1%
 Toga II 3.02875+17−1754.0%−26.834.2%1204
100.0%
4Booot 5.1.02839+11−1148.2%+14.432.0%3102
77.3%
 ChessBrainVB 3.312828+25−2453.7%−27.229.8%574
64.3%
 Toga II 1.4.1SE2824+10−1050.1%+0.434.0%4172
65.6%
 Toga II 1.4 beta5c2820+14−1348.9%+6.434.9%1918
92.1%
 ChessBrainVB 3.202805+17−1749.7%+0.533.6%1219
96.2%
 Booot 5.02784+15−1557.6%−56.831.3%1715
91.1%
 Toga II 1.3.12772+9−1046.3%+27.732.8%4308
61.2%
5Glaurung 1.2.1 32-bit 4CPU2770+15−1543.2%+45.633.8%1495
80.2%
 Toga II 1.2.1a 32-bit2762+9−952.1%−18.533.4%4523
85.5%
6K2 0.992750+20−2048.9%+6.427.1%887
76.4%
 ChessBrainVB 3.022741+17−1749.0%+7.929.7%1156
58.9%
 Toga II 1.1a 32-bit2736+39−3776.7%−205.120.9%302
56.4%
 Glaurung 2.1 32-bit2731+34−3364.9%−105.127.6%319
51.0%
7Scorpio 2.0 32-bit 4CPU2731+20−2029.1%+154.129.4%1005
96.8%
8Bison 9.11 32-bit2699+27−2747.3%+18.924.0%499
71.9%
9DanaSah 8.32689+17−1748.7%+9.729.5%1232
61.6%
 Fruit 2.12685+24−2448.3%+13.429.1%604
73.7%
 K2 0.952674+24−2455.4%−39.222.8%644
66.3%
 Booot 4.15.12668+14−1448.6%+13.528.2%2010
53.3%
10Vajolet 2.482667+17−1745.8%+30.827.1%1264
56.8%
 Booot 4.15.02665+12−1249.8%+3.632.6%2442
85.7%
 Glaurung 1.2.1 32-bit2657+10−1045.2%+34.129.6%4173
57.4%
 Scorpio 2.0 32-bit2656+12−1250.5%−2.835.2%2542
52.1%
11Phalanx XXV2655+12−1250.1%−1.025.9%2806
56.6%
 DanaSah 7.92651+42−4427.7%+170.529.5%224
55.6%
 Scorpio 1.812648+14−1445.7%+22.126.2%2021
76.7%
 Scorpio 1.92641+13−1337.3%+92.427.8%2357
51.7%
 Scorpio 1.912641+12−1243.2%+48.132.0%2381
52.0%
 ChessBrainVB 2.052640+17−1752.0%−13.431.1%1153
56.7%
 Scorpio 1.822638+20−2052.2%−28.322.5%1024
63.6%
 Scorpio 1.842633+20−2027.0%+169.326.4%1026
65.1%
 Vajolet 2.032627+18−1849.2%−1.323.4%1305
62.8%
 Scorpio 1.82624+15−1540.6%+69.427.0%1803
70.8%
 DanaSah 7.32618+15−1548.2%+12.631.8%1574
62.6%
12Delfi 5.12615+12−1251.3%−9.629.8%2671
55.7%
 Glaurung 1.0.2 32-bit2612+29−2935.9%+100.928.8%427
52.1%
 Booot 4.14.02611+21−2149.7%+2.531.8%758
67.6%
13GreKo 2015-ML2603+31−3150.7%−5.730.5%338
51.1%
14Caligula 0.9g2602+16−1657.2%−51.227.4%1332
61.7%
 DanaSah 7.02599+16−1651.3%−9.830.8%1294
79.5%
 K2 0.912590+14−1449.7%+2.431.0%1721
53.5%
15‑16Betsabe II 20202589+19−1949.6%+2.322.8%988
48.2%
15‑16Nawito 18122589+17−1747.3%+18.632.6%1203
51.1%
 Phalanx XXIV2589+16−1652.0%−16.324.6%1445
59.2%
 K2 0.872586+17−1749.3%+5.028.4%1208
53.7%
 Nawito 19062585+17−1748.8%+8.929.3%1182
74.9%
 DanaSah 6.502578+14−1448.9%+7.129.6%1744
54.9%
 Delfi 5.02576+15−1539.5%+78.831.1%1562
78.8%
 Betsabe II 1.962567+16−1650.5%−3.424.1%1348
62.5%
 Booot 4.13.12564+13−1349.0%+5.932.8%2049
65.3%
 K2 0.832560+16−1650.6%−5.226.4%1358
54.7%
 Caligula 0.9f2556+66−6654.7%−25.332.0%75
60.6%
 Tucano 1.042545+36−3560.7%−78.023.4%286
56.6%
 Betsabe II 1.842542+12−1249.1%+6.123.0%2634
84.2%
 DanaSah 4.882534+12−1248.9%+6.428.3%2487
62.2%
 DanaSah 4.662530+18−1848.7%+9.425.3%1177
71.2%
 Betsabe II 1.752523+17−1749.4%+4.921.5%1219
60.7%
17Crafty 20.14 32-bit2519+27−2736.5%+103.622.7%529
64.1%
 DanaSah 5.002511+36−3557.2%−56.622.8%290
55.6%
 GreKo 10.3.12508+19−1950.4%−2.327.6%1016
52.9%
 Caligula 0.82507+17−1758.7%−62.123.5%1257
54.0%
 DanaSah 4.242506+13−1347.1%+20.128.8%2208
53.3%
 Crafty 18.15 32-bit2504+34−3444.7%+37.328.7%303
51.0%
 K2 0.792504+20−2053.2%−25.725.8%925
71.4%
18Magnum 4.0 32-bit2497+13−1452.1%−22.024.7%2080
55.9%
 Betsabe II 1.662495+18−1850.5%−3.122.4%1112
58.7%
19Pepito 1.59 32-bit2493+12−1350.7%−5.430.4%2293
54.6%
 DanaSah 4.452491+20−2045.4%+32.526.7%930
53.2%
20Nemeton 1.81 4CPU2490+24−2451.1%−7.224.5%600
57.0%
 Crafty 19.19 32-bit2487+28−2848.4%+12.630.7%436
57.0%
21Gothmog 1.0b102484+15−1556.2%−48.121.6%1591
58.7%
22CuckooChess 1.102481+17−1741.2%+64.625.6%1307
66.9%
 Nemeton 1.7 4CPU2473+30−3049.1%+7.224.4%377
55.8%
 Betsabe II 1.472471+16−1654.3%−32.322.4%1574
99.6%
23Counter 1.22446+10−1048.0%+14.336.0%3950
53.6%
 BBChess 1.3b2442+101−10635.0%+95.036.7%30
56.7%
 Nemeton 1.82432+15−1548.9%+8.224.9%1568
50.4%
 Phalanx XXIII2432+18−1848.2%+13.922.0%1090
71.2%
 Nemeton 1.812425+18−1847.2%+20.523.2%1127
63.2%
 Caligula 0.7b2421+16−1648.3%+13.423.7%1416
52.0%
 Nemeton 1.512420+16−1653.4%−23.723.7%1483
60.9%
 GreKo 8.0 32-bit2417+17−1748.4%+10.129.7%1224
62.9%
24‑25Kiwi 0.6d 32-bit2413+16−1645.2%+33.924.6%1454
49.1%
24‑25Typhoon 1.00-3582413+16−1745.5%+34.323.6%1384
80.9%
26Arasan 9.52399+27−2750.8%−9.122.9%533
63.0%
 Nemeton 1.72394+17−1748.3%+11.325.6%1179
67.9%
 GreKo 7.2 32-bit2388+18−1849.5%+2.928.3%1110
64.5%
27‑28Amy 0.87b2385+9−947.9%+14.121.2%5667
45.5%
27‑28Diablo 0.5.12385+9−948.6%+10.626.9%4596
52.2%
 K2 0.712385+18−1854.7%−37.821.6%1213
90.1%
 Phalanx XXIII beta2370+15−1548.5%+10.519.3%1660
50.6%
 Nemeton 1.62369+19−1943.6%+45.624.8%963
54.1%
29RomiChess P3kLD2368+22−2236.8%+97.024.1%806
64.3%
 Arasan 9.22362+23−2335.9%+105.722.5%778
79.2%
 Phalanx XXII Reborn JA2351+13−1355.3%−47.620.3%2536
65.7%
 Nemeton 1.412347+17−1748.2%+12.621.9%1305
78.4%
 GreKo 6.52337+17−1849.1%+6.226.2%1162
74.8%
30Thor's Hammer 2.28 32-bit2330+13−1356.2%−52.418.6%2443
56.9%
31Amundsen 0.802328+17−1755.1%−42.818.6%1522
92.7%
 Nemeton 1.32309+19−1946.1%+27.526.0%978
57.7%
 Nemeton 1.22307+18−1851.1%−8.825.1%1070
98.1%
 Betsabe II 1.092262+39−3781.7%−314.011.4%428
55.1%
32Natwarlal 0.142260+8−848.3%+11.521.0%7384
71.3%
 Nemeton 1.12252+24−2547.3%+19.921.3%600
68.0%
33CeeChess 1.32245+20−2045.9%+32.221.7%919
99.2%
34EXchess 4.032213+16−1651.8%−20.825.5%1564
53.0%
 CeeChess 1.3.22212+43−4440.4%+67.425.5%188
51.6%
 GreKo 5.12211+35−3458.1%−68.522.5%316
62.2%
35Beowulf 2.4a 32-bit2205+10−1049.2%+4.721.1%4058
75.8%
36RattateChess 1.0 Nosferatu2199+12−1248.4%+12.719.2%2833
71.5%
37MagiC 2 32-bit2193+19−1950.8%−4.722.4%988
51.5%
38Feuerstein 0.4.6.12192+14−1457.6%−65.720.0%2057
81.0%
39MORA 1.0.02182+18−1851.8%−12.820.8%1108
56.7%
 K2 0.572180+18−1852.8%−25.120.7%1159
89.5%
 MORA 1.1.02163+20−2050.5%−4.125.4%850
83.4%
40Carballo 0.82147+25−2553.8%−47.420.0%626
86.2%
 K2 0.43f2129+18−1850.0%+1.819.3%1122
65.4%
 Jabba 1.0 32-bit2112+83−8543.0%+47.022.0%50
76.4%
41Parrot 07.07.222080+13−1449.3%+5.920.2%2141
79.0%
42AdroitChess 0.42071+19−1847.0%+25.417.2%1154
91.8%
43King's Out 0.2.422053+18−1751.9%−20.816.5%1322
97.1%
44PLP 16615712031+16−1653.7%−33.312.9%1570
60.5%
 MagiC 1.02027+21−2140.8%+70.617.1%861
97.2%
 AdroitChess 0.31999+20−2056.1%−52.216.5%1049
48.9%
45Sjaak 3991999+19−1948.3%+13.119.0%1038
71.0%
46‑47Gullydeckel 2.16pl11993+10−1050.9%−7.018.5%4020
52.8%
46‑47Small Potato 0.6.11993+10−1048.8%+5.920.8%4324
65.0%
48Cupcake 1.01989+18−1944.2%+42.316.6%1172
57.2%
49Wowl 1.31985+28−2945.4%+35.918.5%454
63.4%
50Faile 1.4.41980+8−845.2%+42.323.2%6292
57.2%
51Slibo 0.5.11978+20−2051.4%−17.218.8%958
60.8%
 K2 0.351973+34−3445.0%+43.920.5%317
60.2%
52Sissa 2.01967+23−2345.7%+33.231.6%675
54.8%
 Vice 1.11959+138−11680.4%−225.017.9%28
51.5%
53Eia 0.31957+17−1750.6%−0.721.6%1289
50.2%
 Micro-Max 4.8 (DM-PII)1957+70−7047.9%+19.720.8%72
49.3%
 Monik 2.2.2 32-bit1957+57−6022.8%+289.412.7%189
55.3%
54Micro-Max 4.81953+9−948.2%+16.022.2%5925
92.5%
55ChessKISS 1.31941+15−1552.6%−17.419.2%1816
90.3%
56BibiChess 0.51929+11−1150.0%−2.321.6%3564
75.8%
57Smash 1.0.31924+10−1048.3%+12.417.8%4501
59.7%
58‑59Jabba 130320121921+24−2435.5%+112.817.0%684
49.5%
58‑59SamChess1921+12−1254.4%−50.417.7%2794
64.2%
 Fairy-Max 5.0b31917+19−1951.5%−12.119.8%999
80.0%
60Dabbaba 7.491907+13−1352.9%−38.717.0%2460
53.3%
61Claudia 0.51906+18−1947.0%+23.718.0%1116
54.1%
62Robocide1905+24−2447.5%+14.214.2%777
78.3%
 Fairy-Max 5.0b1892+22−2251.0%−8.717.8%800
52.0%
63Zeta v0.99m GTX10501891+26−2645.7%+31.814.7%550
77.6%
64Purple Haze 2.1.01880+12−1250.8%−5.413.8%3091
70.6%
 Zeta v0.99l GTX10501871+30−3041.7%+63.915.7%426
50.7%
65Zevra 1.6 r4971870+31−3145.5%+33.019.8%379
59.8%
66‑67Arabian Knight 1.511865+26−2663.3%−153.914.2%719
51.5%
66‑67Simontacchi 1.811865+14−1457.3%−59.212.7%2127
51.2%
68NG-Play 8.41864+19−1951.8%−16.818.1%1106
90.9%
69Raven 0.401843+25−2550.0%+0.815.4%591
66.7%
 Wowl 1.3.81835+20−2128.6%+177.510.4%1091
56.0%
70Barbarossa 0.1.01832+37−3662.1%−92.816.7%318
73.9%
 Dabbaba 2.621818+16−1644.6%+41.713.8%1946
52.5%
71RataAeroespacial 0.2.11818+13−1352.1%−17.712.1%2393
74.6%
72ChessterfieldCL i5a1811+14−1447.7%+19.018.5%2284
79.0%
73MorphyChess 1.0.51803+14−1451.2%−5.619.8%2119
67.6%
74CDrill 1800 build 41798+17−1746.5%+33.914.6%1464
80.2%
 Eia 0.21787+20−2045.5%+37.218.7%1028
70.4%
75Bremboce 0.6.21780+17−1854.7%−56.014.3%1388
80.4%
 Zevra 1.31 r3401766+26−2649.3%+5.221.5%543
75.6%
76Chenard 2009.09.191755+18−1828.0%+216.211.1%1614
54.5%
 Zevra 1.21 r2901753+28−2837.6%+91.427.1%458
53.8%
 NG-Play 8.31751+41−4167.9%−205.015.8%310
56.2%
77Ziggy 0.71747+20−2060.9%−115.714.7%1169
73.9%
78Zurichess 1501161734+31−3142.7%+69.728.8%410
56.0%
79Zzzzzz 3.511731+17−1748.9%+11.122.7%1257
78.4%
80TSCP 1.811723+10−1048.7%+11.415.4%4796
73.9%
81Kitteneitor 0.22.11716+18−1850.5%−4.334.5%1052
66.3%
 Pulse 1.4.01707+42−4253.0%−26.020.6%218
49.7%
82‑83RumbleMinze 1.0.331707+28−2840.8%+85.214.0%557
49.7%
82‑83Testina 3c1707+29−2964.6%−136.127.8%474
78.9%
84Jester 0.841693+16−1650.4%−3.713.4%1565
85.0%
85Mizar 3.01683+10−1047.8%+20.816.2%4399
59.3%
 RumbleMinze 1.0.301680+22−2246.3%+28.818.9%774
65.5%
86‑87BACE 0.451676+11−1149.3%+2.717.9%3487
49.1%
86‑87PolarChess 1.31676+13−1352.4%−20.316.9%2687
99.9%
88Spartan 1.01634+23−2349.3%+8.518.0%748
55.9%
89MSCP 1.441632+12−1246.8%+24.318.6%3058
61.4%
90ChessRikus 1.4661630+13−1351.2%−7.917.8%2477
76.7%
 BACE 0.461621+20−2047.3%+22.222.8%974
73.1%
91‑92AdaChess 2.01613+19−1947.0%+20.816.9%1119
48.4%
91‑92Chess4j 2.01613+36−3729.2%+173.421.7%327
62.2%
93Philemon C1607+15−1554.3%−30.124.8%1644
55.4%
 Kitteneitor 0.12.11604+31−3150.6%−5.638.9%324
73.9%
 Kitteneitor 0.18.1 32-bit1588+38−3853.5%−45.432.7%318
58.5%
94Darky 0.5d1583+22−2247.0%+17.717.1%872
61.0%
 ACE21570+91−9155.1%−64.818.6%59
50.4%
95VanillaChess 2.6g1570+17−1754.5%−34.617.7%1333
73.6%
 MSCP 1.6h1559+30−3046.1%+22.410.8%545
84.1%
96Larsen VB 0.05.00011542+13−1442.9%+58.418.3%2313
99.8%
 Vajolet 0.4.11512+16−1644.4%+45.715.6%1629
54.2%
97Yawce 0.161511+21−2151.6%−17.014.0%912
63.1%
98Exacto 0.d1507+13−1341.5%+64.925.5%2275
54.2%
 Purple Haze 2.01506+14−1433.1%+153.820.8%2534
68.7%
99Alibaba 1.381499+23−2344.4%+44.716.6%832
82.5%
100Butterfly 0.41486+15−1540.1%+72.239.7%1492
63.7%
101APILChess 1.05r1b1482+16−1642.6%+58.922.4%1561
65.6%
102Apep 1.011476+24−2444.7%+45.08.4%812
73.5%
 Raven 0.301467+20−2051.9%−15.211.9%1023
70.1%
 St Andersen 1.311452+47−4841.0%+64.319.3%166
71.4%
103Irina 0.151435+32−3233.5%+125.518.5%379
61.4%
 Alibaba 1.401430+20−2040.5%+74.919.5%1032
49.9%
 Braincrack alpha1430+67−7419.7%+257.011.9%109
52.1%
 Joanna 2002 1.061427+64−6544.6%+52.438.6%83
52.4%
104Suff 0.3.a1425+21−2142.1%+63.622.0%870
67.4%
 Abulafia 0.611415+38−3933.0%+161.414.9%356
53.2%
105MiniMardi 1.31413+11−1039.6%+90.318.0%4126
59.6%
106Numpty DD1410+24−2429.9%+166.118.2%802
93.4%
107Skaki 1.231385+21−2154.2%−20.418.0%1001
64.4%
 Numpty Omega1380+16−1632.6%+140.519.9%1742
99.7%
108Joanna 2002 1.031345+21−2138.1%+107.226.3%1017
56.3%
 Numpty 0.7pr1342+25−2619.5%+259.815.4%781
60.4%
 uMax 1.6w1337+32−3260.7%−82.449.2%313
81.2%
109Fimbulwinter 5.001318+26−2637.6%+99.012.2%748
98.8%
110Project Invincible 2.101278+23−2343.8%+54.417.0%752
58.5%
111QuTeChess 1.0.1t r31274+22−2248.9%+36.736.6%829
63.4%
112Chess 1.3.1 by David Cimbalista1269+20−2051.2%−7.222.8%998
89.7%
113Sargon 1978 1.001251+19−1944.4%+37.639.3%1029
69.0%
114Tikov 0.6.31245+17−1645.1%+61.817.3%1647
75.2%
115Pierre 1.71236+19−1954.3%−37.612.1%1306
54.1%
 Enxadrista 1.01231+104−8272.6%−168.016.7%42
54.6%
116Toledo Nanochess Jan/11/20101225+14−1440.9%+89.331.4%2224
95.4%
117‑118Belofte 0.9.121199+27−2840.7%+69.019.9%497
49.3%
117‑118Pulse 1.2.01199+29−2945.8%+33.527.9%445
66.4%
119Enxadrista 1.011191+25−2543.6%+43.415.2%703
60.5%
 BlitzKibitz 51185+35−3537.2%+72.841.4%273
55.4%
 Project Invincible 2.041182+26−2638.6%+155.927.3%674
81.4%
120GrayMatter SVN16041162+35−2637.1%+149.816.9%437
71.3%
121Cassandre 0.241151+18−1655.3%−33.847.1%968
100.0%
122Ronja 0.6.01091+53−4146.6%+26.632.6%644
78.1%
 AdaChess 1.01068+93−6411.3%+488.013.8%320
50.2%
123Talvmenni 0.11067+71−6457.3%−61.235.8%1036
53.6%
124Minnow1066+74−6552.3%−19.740.4%661
97.7%
125Iota 1.0 32-bit1037+100−9457.9%−81.030.6%1358
65.1%
 DarkTemplar 0.11027+123−10518.8%+407.223.8%290
51.9%
126Xadreco 5.71026+113−10645.3%+23.323.0%683
84.7%
 Testina 2.21006+135−12658.0%−83.036.2%414
65.4%
127Kace 0.82997+142−13452.2%−9.323.9%460
58.0%
128GIUChess 1.0 beta2994+143−13851.8%−9.133.8%865
93.4%
129feeks 2018-01-31 LM973+164−15942.2%+66.826.9%1032
96.6%
130Zoe 0.1948+188−18344.8%+65.225.7%1434
72.2%
 Hippocampe 0.4.2936+206−19567.4%−144.336.4%264
68.1%
131Luzhin 0.1926+210−20556.7%−43.638.2%2598
86.2%
132Dreamer908+231−22464.8%−141.719.7%461
96.2%
133Hippocampe 0.4.1871+266−26162.2%−101.831.1%534
99.0%
 Chess4j 1.2831+306−30052.7%+78.934.0%1486
100.0%
 Chess4j 0.1751+386−38129.7%+257.923.7%713
100.0%
 Belofte 0.9.0691+446−44053.6%−42.623.0%3237
100.0%
 MicroChess 1976609+530−52350.0%+2.929.6%230
 

Results matrix

Open source 32-bit engines (best versions only), top 12
#NameElo123456789101112
1Lc0 0.26.3 t40-1541 RTX20803649            
2ChessBrainVB 3.74 4CPU3171            
3Toga II 3.0 4CPU2931            
4Booot 5.1.02839            
5Glaurung 1.2.1 32-bit 4CPU2770            
6K2 0.992750        15 − 12
+13−10=4
−20
   
7Scorpio 2.0 32-bit 4CPU2731            
8Bison 9.11 32-bit2699            
9DanaSah 8.32689     12 − 15
+10−13=4
+20
      
10Vajolet 2.482667            
11Phalanx XXV2655            
12Delfi 5.12615            
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 0.26.3 t40-1541 RTX20803649 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2ChessBrainVB 3.74 4CPU31710.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Toga II 3.0 4CPU29310.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Booot 5.1.028390.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
5Glaurung 1.2.1 32-bit 4CPU27700.00.00.00.0 93.199.9100.0100.0100.0100.0100.0
6K2 0.9927500.00.00.00.06.9 91.099.9100.0100.0100.0100.0
7Scorpio 2.0 32-bit 4CPU27310.00.00.00.00.19.0 96.899.9100.0100.0100.0
8Bison 9.11 32-bit26990.00.00.00.00.00.13.2 71.997.499.8100.0
9DanaSah 8.326890.00.00.00.00.00.00.128.1 96.7100.0100.0
10Vajolet 2.4826670.00.00.00.00.00.00.02.63.3 87.9100.0
11Phalanx XXV26550.00.00.00.00.00.00.00.20.012.1 100.0
12Delfi 5.126150.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Rating list
Testing profile
  (Step: , Numbers: )

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):
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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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Created in 2005-2013 by CCRL team
Last games added on January 16, 2021