CCRL 40/15
Downloads and Statistics
December 12, 2025
Testing summary:
Total: 2'231'374 games
played by 4'358 programs

White wins: 667'794 (29.9%)
Black wins: 461'128 (20.7%)
Draws: 1'102'452 (49.4%)
White score: 54.6%

Rating list

CCRL 40/15 Rating List — All engines (best versions only) (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on December 12, 2025 with Bayeselo based on 2'231'374 games
Please refer to the "about" page for comments on engine inclusion

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 17.1 64-bit 4CPU3645+11−1157.1%−43.585.2%2042 
55.6%
2PlentyChess 7.0.0 64-bit 4CPU3644+14−1457.2%−45.085.4%1046
78.4%
3Torch v4 64-bit 4CPU3637+13−1355.8%−35.486.2%1292
63.5%
4Obsidian 16.0 64-bit 4CPU3634+14−1454.3%−26.190.1%1122
59.3%
5Reckless 0.8.0 64-bit 4CPU3632+15−1554.2%−25.589.8%968
53.7%
6Alexandria 8.1.12 64-bit 4CPU3631+17−1754.5%−28.587.4%672
72.7%
7Dragon by Komodo 3.3 64-bit 4CPU3626+8−855.4%−33.786.3%5239
72.0%
8Caissa 1.23 64-bit 4CPU3622+14−1452.7%−17.191.8%1020
52.9%
9Clover 9.1 64-bit 4CPU3621+16−1652.2%−13.889.5%822
68.5%
10‑11Berserk 13 64-bit 4CPU3617+9−952.4%−14.591.0%4117
46.3%
10‑11Integral v7 64-bit 4CPU3617+12−1252.1%−12.391.4%1733
61.1%
12Viridithas 18.0.0 64-bit 4CPU3615+15−1551.1%−6.890.8%916
53.1%
13Horsie 1.1 64-bit 4CPU3614+13−1350.9%−5.692.1%1224
57.5%
14Stormphrax 7.0.0 64-bit 4CPU3613+14−1451.1%−6.890.2%1170
52.6%
15Astra 6.0 64-bit 4CPU3612+13−1350.9%−5.891.7%1240
65.0%
16Fritz 20 64-bit 4CPU3609+15−1551.1%−7.690.4%996
55.2%
17Halogen 15 64-bit 4CPU3607+17−1751.3%−8.192.2%708
58.0%
18Starzix 6.0 64-bit 4CPU3606+11−1150.9%−5.891.8%2132
58.2%
19‑20Lizard 11.2 64-bit 4CPU3604+14−1450.9%−5.489.2%1172
49.4%
19‑20Uralochka 3.42a 64-bit 4CPU3604+18−1851.2%−7.087.1%627
54.0%
21RubiChess 20240817 64-bit 4CPU3603+11−1151.0%−6.491.3%1993
74.8%
22‑23Ethereal 14.25 64-bit 4CPU3599+9−950.5%−3.191.3%4334
52.4%
22‑23pawnocchio 1.8.1 64-bit 4CPU3599+16−1651.2%−7.885.6%813
69.0%
24Booot 7.4 64-bit 4CPU3594+14−1450.4%−3.089.4%990
69.9%
25‑26Quanticade Fenrir 1.0 64-bit 4CPU3589+16−1650.4%−3.287.1%774
48.0%
25‑26Titan 1.1.0 64-bit 4CPU3589+12−1249.1%+5.390.3%1797
71.9%
27Seer 2.8.0 64-bit 4CPU3585+11−1149.2%+5.087.2%2219
56.8%
28‑29Arasan 25.2 64-bit 4CPU3584+17−1749.0%+5.190.0%652
47.1%
28‑29Renegade 1.2.0 64-bit 4CPU3584+15−1549.3%+3.783.2%922
57.8%
30‑31Chess System Tal 2.00 Elo 64-bit 4CPU3583+9−950.3%−2.486.6%3318
49.8%
30‑31Ginkgo Santiago 1.0 64-bit 4CPU3583+14−1449.0%+5.587.2%1036
57.6%
32Cinder 0.3.1 64-bit 4CPU3581+17−1749.4%+3.685.5%648
52.0%
33Igel 3.6.0 64-bit 4CPU3580+15−1549.6%+2.490.0%982
54.7%
34Rebel 16.3 64-bit 4CPU3579+13−1349.1%+5.687.1%1431
61.8%
35Velvet 8.1.1 64-bit 4CPU3577+13−1348.2%+9.784.3%1218
51.1%
36Revenge 4.0 64-bit 4CPU3576+17−1749.0%+6.287.2%726
64.8%
37rofChade 3.1 64-bit 4CPU3573+11−1149.1%+5.187.3%2093
55.0%
38Tarnished 4.0-Consort 64-bit 4CPU3572+17−1749.2%+4.385.2%716
51.7%
39Motor 0.9.0 64-bit3571+11−1150.6%−4.088.3%1815
55.0%
40Clarity 7.2.0 64-bit 4CPU3570+14−1448.3%+9.885.1%1146
65.2%
41Heimdall 1.4.2 64-bit 4CPU3566+18−1851.0%−8.870.0%674
57.2%
42Spaghet BologNNese 1.0 64-bit 4CPU3564+14−1448.5%+8.487.0%1014
66.7%
43Koivisto 9.0 64-bit 4CPU3561+9−949.2%+4.583.8%3446
64.7%
44Peacekeeper 3.01 64-bit 4CPU3558+16−1648.8%+6.187.5%822
53.2%
45Fire 10 64-bit 4CPU3557+18−1851.2%−10.679.5%620
55.9%
46Devre 6.0 64-bit 4CPU3555+22−2249.9%−0.181.9%382
53.0%
47Elixir 3.0 64-bit 4CPU3554+18−1851.1%−9.476.1%620
75.0%
48Deep Sjeng 3.6 a16 64-bit 4CPU3546+16−1650.1%−1.487.5%810
55.1%
49SlowChess Blitz 2.9 64-bit 4CPU3545+9−949.3%+3.281.2%3420
54.3%
50Zangdar 5.00.02 64-bit 4CPU3544+18−1848.7%+5.471.7%640
72.3%
51Ynode 0219 64-bit 4CPU3535+24−2450.0%+0.370.5%346
65.8%
52‑53Minic 3.41 64-bit 4CPU3530+14−1447.7%+12.778.0%1014
47.6%
52‑53Texel 1.12 64-bit 4CPU3530+18−1848.3%+9.475.7%600
59.9%
54‑55Black Marlin 9.0 64-bit 4CPU3527+17−1748.0%+11.876.1%724
52.7%
54‑55Calvin 6.1.1 64-bit 4CPU3527+18−1848.1%+8.966.9%683
82.1%
56Superultra 2.0 64-bit 4CPU3516+17−1747.6%+14.270.9%760
79.6%
57Altair 7.0.0 64-bit 4CPU3506+17−1747.9%+12.372.2%686
61.0%
58‑59Carp 3.0.0 64-bit 4CPU3503+15−1547.6%+14.373.1%910
52.5%
58‑59Winter 4.0 64-bit 4CPU3503+16−1647.6%+9.566.0%892
93.4%
60Serendipity 1.0 64-bit3487+13−1348.4%+9.477.8%1218
65.6%
61Wasp 6.50 64-bit 4CPU3483+13−1347.3%+16.670.1%1259
83.7%
62akimbo 1.0.0 64-bit3475+9−949.8%−0.172.3%2488
53.0%
63Turbulence 0.0.8 64-bit3474+13−1350.2%−1.776.1%1168
58.0%
64pawn 3.0 64-bit 4CPU3472+20−2046.4%+21.971.8%521
53.5%
65Equisetum 1.0 64-bit3471+11−1149.6%+1.774.2%1780
60.8%
66Marvin 6.3.0 64-bit 4CPU3468+17−1746.3%+22.064.8%750
75.2%
67Patricia 5.0 64-bit3460+16−1651.5%−10.968.6%813
68.0%
68‑70Houdini 6 64-bit 4CPU3456+7−747.6%+13.463.7%6364
46.5%
68‑70Nemorino 6.00 64-bit 4CPU3456+10−1046.7%+19.566.2%2433
48.2%
68‑70Yukari 2025.11.1 64-bit3456+18−1851.2%−6.880.5%560
74.4%
71Sirius 9.0 64-bit3449+15−1549.2%+4.667.0%942
57.0%
72Cheng 4.48 64-bit 4CPU3447+19−1945.4%+29.870.9%554
56.5%
73Willow 4.0 64-bit3445+12−1250.4%−3.570.5%1645
54.9%
74Lc0 0.28.0 w744204 64-bit 4CPU3444+14−1445.9%+23.865.7%1074
57.1%
75Smallbrain 7.0 64-bit 4CPU3442+16−1645.7%+27.768.9%888
62.1%
76Midnight 9 64-bit 4CPU3438+18−1841.6%+54.657.9%656
56.6%
77‑78BlackCore 6.0 64-bit 4CPU3436+16−1645.9%+26.865.1%820
50.9%
77‑78Tucano 12.00 64-bit3436+11−1149.8%+0.774.7%1694
70.2%
79Rice 8.0.0 64-bit3432+13−1348.6%+7.268.9%1250
53.5%
80‑81Lunar 0.4.0 64-bit3431+17−1748.7%+8.663.2%741
50.6%
80‑81chess.cpp 4.10 64-bit3431+11−1150.2%−1.273.9%1604
95.4%
82Bagatur 5.3 64-bit3414+17−1748.2%+10.070.3%696
54.8%
83Celeris 2.0 64-bit3412+16−1649.6%+1.266.1%831
83.7%
84Iris 2.0 64-bit3402+15−1549.3%+3.362.0%920
53.9%
85‑86Oxide 2.0.0 64-bit3401+16−1649.5%+3.271.2%730
49.5%
85‑86Schoenemann 0.5.0 64-bit3401+22−2251.6%−10.969.3%400
57.2%
87HIARCS 15.3.1 64-bit 4CPU3398+19−1950.6%−6.451.2%596
55.6%
88PZChessBot 5.0 64-bit3397+18−1849.1%+5.464.2%629
51.6%
89Stash 36.0 64-bit 4CPU3396+18−1846.2%+27.057.1%693
71.6%
90Sapling 1.2.7 64-bit3390+13−1348.9%+6.672.4%1177
65.3%
91Xiphos 0.6 64-bit 4CPU3386+10−1046.6%+24.163.2%2668
73.7%
92‑93Mantissa 3.7.2 64-bit 4CPU3381+15−1545.6%+26.365.7%1003
48.3%
92‑93Weiss 2.0 64-bit 4CPU3381+14−1446.0%+26.361.9%1069
65.1%
94‑95Lambergar 1.3 64-bit3377+15−1550.2%−1.368.0%900
52.7%
94‑95Zahak 10.0 64-bit 4CPU3377+14−1445.8%+24.860.7%1114
53.4%
96‑97Expositor 2BR17 64-bit 4CPU3376+15−1545.4%+27.760.4%962
50.1%
96‑97Minke 3.0.0 64-bit3376+18−1847.9%+10.761.8%594
52.4%
98Arcanum 2.7 64-bit3375+18−1849.1%+5.066.1%646
53.9%
99Counter 5.0 64-bit 4CPU3374+18−1846.6%+23.262.4%688
50.4%
100Illumina 3.0 64-bit3373+13−1354.1%−36.359.5%1317
54.4%
101Weiawaga 6.0 64-bit3372+17−1748.5%+9.963.0%800
55.2%
102Saturn 1.3 64-bit3371+11−1148.6%+10.071.2%1709
53.6%
103Combusken 2.0.0 64-bit 4CPU3370+14−1446.2%+24.461.4%1098
53.1%
104‑105Leorik 3.1 64-bit3369+12−1249.6%+3.168.2%1468
52.3%
104‑105Molybdenum 4.1 64-bit3369+13−1349.3%+3.768.2%1213
72.2%
106Pedantic 2.1.0 64-bit3364+13−1349.1%+4.669.8%1208
78.0%
107Perseus 1.1 64-bit3357+13−1349.4%+3.962.0%1177
53.2%
108Schneckbert 3.0 64-bit3356+13−1347.0%+19.166.7%1266
66.4%
109StockDory Starfish 0.1 64-bit3353+11−1148.1%+10.767.4%1743
57.1%
110Avalanche 2.1.0 64-bit3351+9−948.8%+7.660.3%2926
69.7%
111Quirky 2.1 64-bit3346+19−1954.1%−27.863.7%562
75.4%
112Laser 1.7 64-bit 4CPU3338+10−1045.3%+33.461.8%2539
53.6%
113Frozenight 6.0.0 64-bit 4CPU3337+18−1845.4%+28.656.5%678
71.8%
114Defenchess 2.2 64-bit 4CPU3331+11−1145.4%+32.661.3%1950
70.8%
115Deep Shredder 13 64-bit 4CPU3328+9−945.6%+29.062.4%2947
54.4%
116Lynx 1.11.0 64-bit3327+16−1650.0%+0.058.9%832
62.9%
117Tcheran 8.0 64-bit3323+21−2153.2%−21.667.1%483
61.8%
118‑119Drofa 4.0.0 64-bit 4CPU3318+19−1945.1%+32.661.8%570
49.5%
118‑119Fizbo 2 64-bit 4CPU3318+10−1044.4%+38.555.4%2329
60.1%
120Mr Bob 1.3.0 64-bit3316+11−1150.4%−3.457.0%1949
70.8%
121Andscacs 0.95 64-bit 4CPU3312+14−1445.8%+28.460.0%1251
54.8%
122Schooner 2.2 64-bit 4CPU3310+20−2046.3%+25.560.7%534
61.5%
123‑126Chiron 5 64-bit 4CPU3306+19−1946.4%+24.860.8%574
49.5%
123‑126Eleanor 2.0 64-bit3306+16−1648.8%+6.454.5%887
50.9%
123‑126Nalwald 19 64-bit3306+12−1250.6%−4.363.4%1431
50.4%
123‑126bitbit 1.6 64-bit3306+19−1949.4%+3.759.7%563
54.7%
127RukChess 3.0.15 64-bit 4CPU3304+18−1846.2%+23.547.5%712
80.9%
128Publius 1.0 64-bit3293+17−1752.2%−14.965.3%714
56.5%
129Little Goliath Evolution 3.16 64-bit3291+14−1447.2%+17.962.9%1033
61.9%
130Protej 0.6.8 64-bit3289+12−1251.1%−9.462.7%1527
97.0%
131NirvanaChess 2.5 64-bit 4CPU3268+18−1846.0%+26.258.1%666
51.2%
132Cadie 2.1 64-bit3267+15−1548.3%+11.354.9%1000
55.3%
133Kuma 1.2 64-bit3266+13−1351.0%−11.437.7%1474
54.6%
134Odonata 1.0 64-bit3265+13−1349.3%+5.460.9%1311
59.4%
135Orion 0.9 64-bit 4CPU3262+21−2145.2%+30.961.8%456
63.7%
136Sturddle 2.4.0 64-bit3256+23−2350.7%−5.059.6%421
56.2%
137DanaSah 9.1 64-bit3255+8−850.3%−4.655.3%3487
85.8%
138‑140Bread 2.0.0 64-bit3244+18−1849.8%+0.356.9%657
48.8%
138‑140Cwtch 3 64-bit3244+18−1852.9%−19.160.7%682
49.9%
138‑140StockNemo 5.7.0.0 64-bit3244+11−1149.8%−0.158.0%1680
65.6%
141Svart 6 64-bit3241+11−1149.7%+2.654.8%1846
58.9%
142Tornado 9.0 64-bit3239+15−1548.9%+4.458.3%969
53.2%
143Vajolet2 2.7 64-bit 4CPU3238+16−1644.9%+35.654.7%925
59.6%
144Isa 4.5 64-bit3235+17−1748.6%+9.766.1%746
60.6%
145‑146EveAnn 3.6 64-bit3233+14−1449.4%+2.862.9%1239
47.9%
145‑146Princhess 0.21.0 64-bit3233+16−1648.4%+9.952.5%893
61.0%
147Panda 1.1 64-bit3230+15−1548.4%+11.058.4%958
66.7%
148‑149ChessBrainVB 3.74 4CPU3224+21−2146.3%+26.852.8%494
53.2%
148‑149Gull 3 64-bit 4CPU3224+9−942.9%+48.354.5%3801
90.9%
150Equinox 3.20 64-bit 4CPU3216+10−1043.1%+47.858.3%2809
78.3%
151Dark Toga 1.1 64-bit3210+10−1048.5%+10.250.6%2233
61.0%
152‑153Invictus r382 64-bit 4CPU3207+21−2145.0%+34.254.9%472
51.0%
152‑153Petrel 3.1 64-bit3207+21−2151.9%−15.751.8%481
54.3%
154Seredina 1.2c 64-bit3205+15−1549.1%+5.153.5%925
55.5%
155WhiteCore 0.2 64-bit3204+16−1649.4%+4.454.5%876
64.0%
156Critter 1.6a 64-bit 4CPU3201+7−745.4%+32.254.6%5481
60.1%
157Dog 4.10.1 64-bit3198+19−1948.6%+7.055.9%562
52.9%
158C4ke 1.1 64-bit3197+20−2050.1%−7.845.0%558
51.9%
159Hannibal 1.7 64-bit 4CPU3196+12−1243.0%+48.254.7%1639
56.6%
160Pounce 3.0.0 64-bit3195+17−1748.5%+8.757.1%807
54.4%
161Simbelmyne 1.10.0 64-bit3194+9−949.2%+4.750.0%3260
73.8%
162‑163Bouquet 1.8 64-bit 4CPU3189+10−1043.7%+44.156.9%2459
49.8%
162‑163Pingu 5.0.0 64-bit3189+14−1451.1%−7.355.9%1154
63.3%
164Rybka 4 64-bit 4CPU3186+9−949.3%+4.450.7%3240
60.5%
165Anubis 3.06 64-bit3183+19−1950.4%−4.054.4%612
54.0%
166‑167Alfil 15.7 64-bit 4CPU3182+15−1544.8%+37.255.5%1084
49.1%
166‑167ChandraChess 2.0 64-bit3182+17−1749.9%+0.550.9%748
60.0%
168Protector 1.9.0 64-bit 4CPU3180+13−1346.4%+25.353.9%1338
67.5%
169Jet 1.2 64-bit3176+11−1150.5%−6.566.6%1630
54.7%
170ice4 v6.1 64-bit3174+21−2150.7%−4.655.2%493
68.0%
171Myrddin 0.94 64-bit3167+22−2248.0%+13.250.7%446
65.9%
172‑173BlackMamba 2.0 64-bit 4CPU3162+13−1344.3%+39.554.4%1424
49.0%
172‑173Lozza 8.0 64-bit3162+18−1847.2%+18.453.9%668
52.1%
174Prelude Fusion 2.0 64-bit3161+13−1353.6%−22.071.4%1232
56.2%
175iCE 4.0 64-bit 4CPU3159+21−2145.7%+27.552.6%506
62.0%
176‑177Amoeba 3.4 64-bit 4CPU3155+19−1946.6%+23.753.7%592
50.5%
176‑177Senpai 2.0 64-bit 4CPU3155+14−1447.4%+17.049.9%1214
55.0%
178Demolito 2021-10-04 64-bit3154+11−1146.6%+23.549.1%1781
64.7%
179Kobra 2.0 64-bit3150+18−1849.3%+4.549.9%685
54.8%
180MIDA 2.3 64-bit3148+16−1646.9%+17.849.8%816
77.4%
181Strelka 5.5 64-bit3142+5−546.5%+26.047.8%10393
51.9%
182FabChess 1.16 64-bit 4CPU3141+21−2146.4%+23.955.9%494
61.2%
183Topple 0.8.1 64-bit 4CPU3137+21−2148.0%+15.146.0%504
66.4%
184Prune 2.2.0 64-bit3130+22−2251.8%−13.050.9%462
53.7%
185‑186Naum 4.6 64-bit 4CPU3129+12−1247.9%+14.154.3%1596
50.4%
185‑186Priessnitz 2.0 64-bit3129+11−1141.6%+60.047.0%2072
73.4%
187Beef 0.3.6 64-bit3123+15−1548.6%+10.638.6%1003
69.7%
188Atlas 4.35 64-bit3118+11−1149.3%+4.148.6%1682
61.0%
189chess22k 1.14 64-bit3116+11−1147.6%+16.652.7%1854
54.2%
190Monolith 2 64-bit 4CPU3115+23−2346.1%+26.246.8%427
65.0%
191Rodent III 0.276 64-bit 4CPU3108+25−2549.3%+5.658.8%337
69.3%
192Admete 1.8.0 64-bit3101+15−1552.5%−21.645.4%975
56.2%
193Bit-Genie 9 64-bit3099+11−1147.4%+17.643.0%1981
90.0%
194Caligula 3.0 64-bit3085+19−1958.4%−59.451.0%598
53.2%
195Yakka 1.4 64-bit3083+21−2149.2%+5.255.9%494
53.0%
196Potential 3.0.0 64-bit3082+18−1850.1%−1.646.6%732
54.5%
197Jackal 1.2.0 64-bit3081+14−1449.0%+5.629.6%1267
91.7%
198GOOB 1.8.9 64-bit3068+11−1148.8%+7.439.4%1821
52.7%
199Weak 1.0.0 64-bit3067+21−2158.8%−64.542.6%627
62.4%
200Pirarucu 2.7.4 64-bit 4CPU3063+16−1650.1%−5.047.9%865
52.7%
201Meltdown 1.11 64-bit3062+23−2349.5%+4.839.9%461
59.3%
202Wahoo 4.0.0 64-bit3059+9−950.3%−2.742.4%3022
55.8%
203SmarThink 1.98 64-bit3058+10−1049.6%+0.141.6%2175
67.2%
204Deep Junior 13 64-bit 4CPU3054+14−1443.8%+43.750.5%1193
53.8%
205Bobcat 8.0 64-bit 4CPU3053+19−1947.4%+19.452.7%656
60.4%
206Inanis 1.6.0 64-bit3050+16−1647.9%+16.242.3%977
70.9%
207Gogobello 2.2 64-bit 4CPU3042+23−2346.8%+21.245.8%432
51.9%
208‑209Crafty 25.2 64-bit 4CPU3041+14−1448.1%+13.142.4%1315
53.0%
208‑209Spike 1.4 Leiden 4CPU3041+9−945.1%+33.247.3%2966
94.2%
210Hakkapeliitta TCEC v2 64-bit3030+10−1049.1%+0.743.0%2172
51.0%
2114ku 4.0 64-bit3029+14−1451.2%−9.939.5%1191
60.9%
212Cheers 1.0.0 64-bit3027+14−1450.0%−1.140.4%1209
55.8%
213Dirty Catpaw 64-bit3025+14−1448.1%+13.740.4%1187
58.7%
214Polaris 1.8.1 64-bit3023+12−1249.8%+0.739.3%1753
67.2%
215Nu-chess 1.0 64-bit 4CPU3017+24−2443.6%+46.847.7%384
68.8%
216Deuterium 2019.2.37.73 64-bit3010+12−1248.7%+8.949.0%1671
60.3%
217‑218Scorpio 2.8 64-bit 4CPU3007+21−2147.2%+19.146.2%522
49.5%
217‑218Truncator 1.0 64-bit3007+20−2054.1%−29.748.3%604
52.8%
219Ares 5.45 64-bit3006+24−2452.3%−17.441.6%413
51.5%
220Asymptote 0.8 64-bit 4CPU3005+25−2546.2%+29.742.4%368
59.9%
221Godel 7.0 64-bit3002+11−1149.1%+4.841.7%2018
76.1%
222‑223EXchess 7.97b 64-bit 4CPU2995+15−1547.7%+18.545.2%1069
52.4%
222‑223Puffin 5.0 64-bit2995+16−1648.0%+13.346.9%944
60.1%
224Zappa Mexico II 64-bit 4CPU2992+9−948.4%+10.248.0%3364
55.2%
225Spark 1.0 64-bit 4CPU2991+12−1245.3%+33.646.8%1835
76.9%
226‑228Ceibo 1.0 64-bit2985+11−1146.7%+24.643.5%1774
52.5%
226‑228Francesca MAD 0.32 64-bit2985+11−1147.6%+16.242.8%1951
51.5%
226‑228Vengeance 3.0.0 64-bit2985+9−948.6%+7.133.8%3058
79.2%
229STRO4K 5.0 64-bit2975+22−2252.2%−16.538.8%490
52.8%
230Eidolon 1.0.0 64-bit2974+15−1553.1%−22.342.1%1130
71.0%
231Chessatron 1.3.14159 64-bit2967+19−1947.7%+16.538.4%643
56.0%
232Rengar 2.1.1 64-bit2965+11−1147.9%+14.843.5%1998
54.3%
233The Baron 3.44 64-bit 4CPU2964+22−2246.9%+21.744.0%470
57.2%
234‑235Gaviota 1.0 64-bit 4CPU2962+13−1347.7%+15.545.3%1330
48.2%
234‑235Sentinel 2.0 64-bit2962+14−1457.5%−59.237.5%1305
78.0%
236‑2374kc 5.0 64-bit2952+23−2353.4%−28.140.5%444
48.6%
236‑237Cheese 3.2.0 64-bit2952+16−1650.4%−2.436.6%894
53.4%
238Onno 1.2.70 64-bit 4CPU2951+16−1647.1%+21.148.7%850
74.1%
239monty 1.0.0 64-bit2944+13−1349.2%+4.431.8%1649
57.3%
240Thinker 5.4c Inert 64-bit 4CPU2943+13−1348.1%+13.239.4%1502
62.8%
241tomitankChess 5.1 64-bit2940+11−1149.7%+2.545.7%2035
78.0%
242DisasterArea 1.65 64-bit 4CPU2932+18−1844.2%+40.946.1%709
58.7%
243KnightX 4.6b 64-bit2928+22−2252.2%−15.840.4%488
65.8%
244Quazar 0.4 64-bit2924+8−848.7%+8.443.8%3380
76.5%
245DiscoCheck 5.2 64-bit2918+14−1447.9%+13.843.1%1068
72.4%
246‑247Bright 0.4a 4CPU2912+13−1347.2%+20.841.0%1547
51.0%
246‑247Glaurung 2.2 64-bit 4CPU2912+14−1447.2%+19.540.7%1281
55.9%
248Seawall 20250322 64-bit2910+16−1651.6%−12.041.9%984
71.2%
249Octochess r5506 64-bit 4CPU2903+18−1844.5%+40.546.7%715
59.5%
250Jacky Chess 25.12 64-bit2899+32−3246.6%+21.448.1%208
50.2%
251MinkoChess 1.3 64-bit 4CPU2898+18−1846.0%+28.743.7%725
55.2%
252OliThink 5.11.9 64-bit2897+21−2143.9%+45.135.2%650
50.4%
253Shallow Guess 0.4.0 64-bit2896+15−1555.0%−41.328.4%1216
56.5%
254Pluto 1.0.0 64-bit2895+16−1651.4%−13.438.0%1018
68.6%
255Qapla 0.3.2 64-bit2890+16−1650.6%−5.930.7%1052
99.4%
256Clovis III 64-bit2865+11−1148.8%+7.743.4%1797
59.9%
257Colossus 2025b 64-bit2862+18−1849.8%+1.435.6%826
55.1%
258‑259Euwe 2.1.0 64-bit2861+15−1549.5%+2.834.6%1193
50.6%
258‑259Loop M1-T 64-bit 4CPU2861+10−1043.2%+48.245.2%2447
52.9%
260Nemo 1.0.1 64-bit2860+10−1048.5%+10.742.6%2564
53.7%
261Dumb 2.3 64-bit2859+16−1652.0%−16.331.4%1075
76.1%
262Shield 2.1 64-bit 4CPU2850+20−2048.3%+14.636.2%610
54.6%
263Chessnix 1.0 64-bit2848+24−2469.2%−151.830.1%432
55.3%
264BugChess2 1.9 64-bit 4CPU2846+18−1843.4%+50.738.2%738
82.2%
265Zurichess Neuchatel 64-bit2836+9−947.8%+14.842.8%2669
67.5%
266Murka 3 64-bit2833+10−1047.8%+15.143.4%2282
57.4%
267Hardfiskur rev-cdeec8a 64-bit2831+25−2547.3%+18.636.9%382
59.1%
268‑269MadChess 3.3 64-bit2827+15−1548.3%+14.337.0%1256
51.4%
268‑269Shallow 5 64-bit2827+11−1148.1%+13.836.2%1967
60.4%
270GNU Chess 5.60 64-bit2825+13−1348.0%+14.641.1%1369
56.7%
271Jonny 4.00 4CPU2823+20−2043.0%+52.335.5%594
88.5%
272Belette 3.0.0 64-bit2808+13−1349.3%+5.535.8%1362
61.7%
273‑274GnuCheese 1.00 64-bit2805+13−1348.2%+12.440.2%1441
49.8%
273‑274Zevra 2.6 64-bit2805+15−1551.6%−15.718.8%1255
55.9%
275‑276Rhetoric 1.4.3 64-bit2804+10−1048.7%+7.439.9%2541
48.8%
275‑276RuyDos 1.1.9 64-bit2804+12−1248.3%+11.637.6%1652
79.7%
277Coiled 1.1 (no NNUE) 64-bit2796+14−1449.8%+2.133.7%1303
58.2%
278Chess-3 2.0 64-bit2794+21−2150.0%−0.837.9%570
65.3%
279GreKo 2021.08 64-bit2788+17−1748.2%+12.430.9%850
55.5%
280Pawny 1.2 64-bit2787+11−1148.3%+11.239.8%1964
80.4%
281Naraku 1.42780+13−1348.4%+11.926.2%1486
58.4%
282Twisted Logic 20100131x 64-bit2778+13−1348.5%+8.935.0%1525
52.7%
283Frenzee 3.5.19 64-bit2777+12−1248.1%+13.034.4%1789
69.9%
284Mess 0.3.0 64-bit2773+10−1049.9%−1.133.2%2728
62.5%
285Apotheosis 4.0.1 64-bit2771+12−1251.7%−16.739.0%1769
76.7%
286Javelin 3.0.0 64-bit2762+21−2147.7%+18.423.4%625
53.6%
287Devel 3.8.42761+15−1547.4%+18.737.5%1071
55.1%
288Bison 9.11 64-bit2759+10−1048.5%+9.635.2%2229
55.3%
289‑291Ktulu 92758+10−1046.7%+23.338.9%2333
52.5%
289‑291Lux 4.2 64-bit2758+12−1247.9%+17.233.8%1862
48.7%
289‑291Trinket 3.5.0 64-bit2758+16−1650.1%−6.735.9%937
56.4%
292Nawito 22.07 64-bit2757+10−1049.1%+5.436.1%2463
60.6%
293Fridolin 4.00 64-bit2755+11−1148.5%+8.538.6%1882
76.6%
294Aramis 1.4.0 64-bit2748+15−1549.9%+2.436.5%1076
60.0%
295Aurora 1.26.0 64-bit2745+16−1652.4%−19.628.6%981
63.8%
296Chronos 1.9.9 64-bit2742+10−1049.8%−0.636.8%2503
58.4%
297‑298Arminius 2018-12-23 64-bit2740+10−1049.1%+5.534.5%2741
54.0%
297‑298Carballo 1.7 64-bit2740+11−1148.4%+12.240.7%1804
74.3%
299CT800 1.45 64-bit2734+12−1251.3%−11.336.6%1733
74.6%
300Nebula 2.0 64-bit 4CPU2727+17−1745.5%+34.833.8%921
90.1%
301K2 0.992714+11−1149.8%+1.035.7%2107
61.6%
302Boychesser 1.0 64-bit2711+13−1351.6%−11.732.7%1500
53.9%
303Delocto 200419 64-bit2710+11−1152.4%−21.438.4%2089
72.1%
304Chessmaster 11 Archangel2705+15−1547.2%+20.438.8%1086
58.0%
305Chess Tiger 2007.12703+8−846.7%+24.143.1%3438
92.1%
306Delfi 5.42695+9−947.6%+17.238.2%3360
62.2%
307‑308Blunder 8.5.5 64-bit2693+11−1150.2%−3.038.7%2075
50.1%
307‑308ECE 20.1 64-bit2693+12−1248.8%+8.528.1%1782
75.9%
309Hamsters 0.7.1 4CPU2682+27−2752.8%−21.236.4%352
55.7%
310‑311Daydreamer 1.75 64-bit2680+13−1348.7%+10.040.0%1351
51.0%
310‑311WyldChess 1.51 64-bit2680+12−1247.5%+15.533.8%1569
60.8%
312Supernova 2.4 64-bit2677+10−1051.5%−12.330.5%2461
58.3%
313RedQueen 1.1.98 64-bit 4CPU2675+23−2339.9%+83.329.4%528
56.1%
314Pharaon 3.5.1 4CPU2672+22−2244.9%+36.730.1%552
64.4%
315Lishex 1.1.1 64-bit2668+11−1150.3%−3.831.2%2148
74.8%
316Djinn 1.021 64-bit2663+11−1148.1%+12.937.0%2029
57.4%
317‑318Drosophila 1.6 64-bit2661+12−1248.4%+12.232.1%1830
51.9%
317‑318Movei 00.8.438 (10 10 10)2661+9−949.4%+0.436.4%3100
62.7%
319Jellyfish 1.1 64-bit 4CPU2656+25−2553.1%−24.732.3%433
52.4%
320Alaric 7072655+9−950.0%−3.333.2%3075
67.6%
321Floyd 0.9 64-bit2652+12−1248.3%+13.328.9%1832
63.2%
322Keele 1.0 64-bit2649+16−1648.8%+4.716.4%1058
56.1%
323Ghost 3.1 64-bit 4CPU2646+27−2753.9%−29.228.5%393
54.4%
324Philou 3.7.1 64-bit2645+11−1148.4%+10.936.6%2052
54.5%
325E.T. Chess 13.01.082644+11−1148.5%+10.936.2%2068
59.0%
326Rotor 0.7a2642+15−1548.3%+11.735.6%1030
58.3%
327‑328Cyrano 0.6b17 32-bit2639+11−1148.1%+13.839.6%1797
53.8%
327‑328Gandalf 7 64-bit2639+13−1348.0%+12.933.8%1470
59.4%
329Fatalii 0.9.0 64-bit2636+15−1545.9%+30.333.8%1047
54.7%
330Wilted 1.0.0.0 64-bit2635+23−2346.1%+30.630.6%480
60.6%
331Eubos 4.2 64-bit2630+23−2351.9%−15.024.9%502
55.0%
332Rodin 8.02629+10−1049.5%+2.133.6%2597
52.9%
333RookieMonster 1.9.9 64-bit2628+12−1247.8%+17.531.0%1852
57.8%
334Sjakk 2.2 64-bit2626+13−1349.1%+6.939.0%1427
66.1%
335WildCat 82623+11−1149.0%+6.833.8%2199
81.4%
336NoraGrace 2.0 64-bit2616+12−1248.7%+9.627.0%1942
53.3%
337‑338Betsabe II 2023 64-bit2615+12−1248.8%+8.729.7%1865
52.2%
337‑338smol.cs 1.61 64-bit2615+13−1346.6%+26.931.9%1552
61.1%
339Ruffian 2.1.02612+10−1048.3%+13.337.0%2272
58.8%
340Phalanx XXV2610+12−1248.7%+10.632.1%1656
62.7%
341Sloppy 0.2.2 64-bit2608+13−1348.4%+7.933.2%1476
51.8%
342Toad 3.0.0 64-bit2607+16−1650.4%−3.231.9%936
67.8%
343CeeChess 2.2 64-bit2601+22−2254.5%−18.633.4%524
67.7%
344‑345Donna 4.0 64-bit2595+12−1249.2%+5.835.7%1603
50.5%
344‑345Galjoen 0.40 64-bit2595+12−1251.4%−12.630.2%1682
51.4%
346Blocky 2.0.0 64-bit2594+14−1450.2%−2.131.9%1349
64.5%
347Raven 1.30 64-bit2591+10−1049.1%+6.331.0%2760
78.1%
348‑349Aristarch 4.502586+10−1048.4%+12.531.9%2603
47.6%
348‑349Glass 2.0 64-bit2586+11−1148.4%+13.532.9%1941
60.8%
350Muse 0.953 64-bit2584+14−1448.4%+10.234.6%1340
59.7%
351Pseudo 0.7c2582+11−1150.0%−0.237.6%2050
51.7%
352‑353N2 0.4 64-bit2581+13−1349.2%+6.935.7%1432
52.4%
352‑353Petir 4.392581+16−1648.6%+8.037.0%971
53.5%
354Brutus 8.05 64-bit2580+17−1749.0%+6.433.6%881
56.4%
355CuckooChess 1.12 32-bit2578+20−2048.6%+9.829.8%611
51.3%
356Amyan 1.722577+9−950.9%−8.230.4%3088
68.2%
357GarboChess 3.0 64-bit2573+13−1349.1%+5.832.5%1408
56.4%
358‑359Dimitri 4.992572+17−1751.0%−8.829.7%842
48.9%
358‑359Eggnog-Dev (6-15-2025) 64-bit2572+21−2151.0%−8.428.4%560
61.9%
360Hedgehog 2.407 64-bit2568+18−1849.1%+7.731.2%815
53.4%
361Amira 1.71 64-bit2567+22−2249.6%+3.221.2%528
70.2%
362Tantabus 2.0.0 64-bit2560+11−1150.3%−3.532.1%2072
52.7%
363Razer 0.0 64-bit2559+22−2250.9%−7.322.3%538
60.0%
364Luna 2.0.0 64-bit2556+14−1443.0%+54.331.1%1233
51.4%
365Capivara LK 0.09b02f 64-bit2555+14−1449.6%+2.733.2%1246
60.3%
366Jumbo 0.7.0 64-bit2553+11−1149.5%+5.432.2%1916
57.2%
367SOS 5.12551+11−1148.5%+11.134.7%2110
57.0%
368paulchen332 0.1.1 64-bit2550+13−1350.5%−6.231.7%1399
68.4%
369‑370Detroid 1.0.1 64-bit2545+14−1449.7%+1.229.9%1302
50.7%
369‑370JikChess 0.02 64-bit2545+13−1349.0%+6.327.7%1587
61.8%
371Dorky 4.8 64-bit2543+11−1149.0%+7.930.7%2168
62.3%
372Delphil 3.2 64-bit 4CPU2538+28−2838.2%+93.230.5%374
51.0%
373Jazz 840 64-bit 4CPU2537+16−1657.2%−63.125.6%1034
60.8%
374‑375Anaconda 2.0.12533+23−2346.7%+25.436.0%450
50.0%
374‑375Prophet 5.1 64-bit2533+23−2345.8%+30.330.0%444
62.8%
376FrankWalter 2.4.0 64-bit2529+13−1349.8%+2.330.3%1430
56.1%
377nanoSzachy 4.0 64-bit2527+14−1448.3%+14.731.7%1217
63.7%
378‑379AnMon 5.752524+13−1349.0%+8.131.0%1592
48.8%
378‑379Ufim 8.022524+10−1049.0%+7.631.1%2654
57.0%
380Maverick 1.5 64-bit2523+10−1050.0%−0.427.8%2884
71.3%
381Axolotl 1.9 64-bit2518+14−1449.3%+4.431.6%1343
68.9%
382Nemeton 1.8 4CPU2512+23−2349.9%+1.027.2%496
54.9%
383Hermann 2.8 64-bit2510+14−1448.7%+11.726.0%1352
80.7%
384CyberPagno 3.0 64-bit2502+11−1150.0%−1.930.4%2127
58.6%
385ChessGM 0.7.0 64-bit2500+14−1451.1%−8.029.3%1324
69.0%
386FoxSEE 8.2 64-bit2496+11−1148.3%+12.525.9%2247
61.8%
387Nimzo 82492+24−2445.8%+32.232.0%419
76.6%
388Tao 5.62482+13−1348.4%+13.027.6%1450
59.4%
389LittleThought 1.052 64-bit2479+13−1348.3%+12.225.5%1534
60.8%
390Pupsi2 0.092477+14−1448.6%+9.829.7%1356
62.1%
391Frolic 1.9 64-bit2474+14−1451.8%−16.030.7%1482
54.1%
392‑393Loki 3.5.0 64-bit2473+12−1248.0%+15.428.4%1929
48.8%
392‑393Pepito 1.59.2 64-bit2473+14−1448.3%+13.334.5%1229
64.8%
394Green Light Chess 3.01.2.22468+21−2148.1%+14.131.0%596
53.4%
395Fornax 4.0 64-bit2467+13−1349.1%+8.130.0%1514
56.7%
396‑397BBChess 1.3b2465+16−1650.8%−4.731.6%983
52.1%
396‑397Trace 1.362465+17−1748.6%+10.027.9%919
62.3%
398‑399Cerebro 3.03d2461+14−1449.4%+4.029.1%1361
51.1%
398‑399Xpdnt 0910072461+13−1348.4%+12.731.2%1564
62.5%
400Yace 0.99.872458+13−1347.7%+19.727.7%1594
58.6%
401‑403Bruja 1.9.1 64-bit2456+15−1548.8%+10.826.1%1201
51.3%
401‑403Matacz 1.42456+13−1349.0%+6.832.6%1394
49.5%
401‑403pikoSzachy 4.12456+24−2452.3%−18.330.8%412
51.3%
404SpiderChess 0706032455+17−1748.5%+14.238.9%785
70.1%
405‑406Anatoli 0.35k2450+13−1348.4%+12.531.1%1436
50.2%
405‑406Waxman 20222450+12−1250.2%−2.828.1%1988
60.2%
407Kimbo 1.0.0 64-bit2447+18−1848.4%+12.631.5%734
63.3%
408Quark 2.352443+15−1548.2%+13.428.5%1183
53.3%
409Shen Yu 2.0.1 64-bit2442+14−1447.1%+21.627.1%1286
57.1%
410‑411Anka 0.6.3 64-bit2440+12−1250.0%+0.127.3%1957
49.8%
410‑411Bumblebee 1.0 64-bit2440+17−1748.1%+13.931.4%881
62.0%
412Giraffe 20150908 64-bit2437+15−1548.3%+13.224.1%1106
51.5%
413Juggernaut 1.23 64-bit2436+24−2439.1%+87.730.4%448
67.5%
414Queen 4.05 64-bit2430+14−1448.4%+11.129.7%1348
62.1%
415SoFCheck 0.9 beta 64-bit2426+20−2047.7%+17.129.7%617
67.3%
416Barbarossa 0.7.0 64-bit2420+17−1748.6%+13.427.4%908
53.9%
417Hussar 0.42419+14−1448.2%+14.630.1%1307
56.2%
418‑419Bearded N44.5 64-bit2418+15−1548.3%+12.229.7%1173
50.0%
418‑419Tunguska 1.1 64-bit2418+15−1549.9%−0.829.3%1174
52.2%
420MinimalChess 0.6 64-bit2417+22−2247.8%+15.740.2%483
52.4%
421‑425Abrok 5.02416+15−1548.0%+15.429.4%1149
51.3%
421‑425Cosette 5.1 64-bit2416+18−1848.4%+12.530.0%746
48.3%
421‑425King of Kings 2.562416+16−1648.6%+11.723.8%1028
49.9%
421‑425Mephisto Gideon Professional2416+16−1648.3%+12.631.3%931
50.0%
421‑425Typhoon 1.00-3482416+21−2148.7%+13.027.9%559
51.7%
426Knur 20240903 64-bit2415+25−2545.6%+35.433.3%387
52.8%
427‑429Eeyore 1.52 64-bit2414+14−1448.3%+12.328.5%1245
50.7%
427‑429Snitch 1.6.22414+18−1848.2%+12.128.3%775
49.1%
427‑429Taltos rev118 64-bit2414+14−1449.6%+4.227.1%1278
64.1%
430‑431Kiwi 0.6d 32-bit2411+13−1350.8%−7.824.9%1730
48.6%
430‑431NoC 4.20 64-bit2411+15−1549.2%+6.321.8%1236
69.2%
432TJchess 1.3 64-bit2406+15−1548.5%+13.029.7%1198
60.2%
433Homer 2.012403+18−1849.3%+4.932.7%798
59.8%
434‑435Gaia 3.5 64-bit2400+14−1451.1%−9.123.5%1287
50.7%
434‑435Teki 2 64-bit2400+12−1248.6%+10.921.5%1855
59.4%
436Oxidation 0.7.2 64-bit2397+18−1843.9%+48.426.4%828
55.2%
437Amy 0.9.7 64-bit2395+26−2649.0%+7.919.6%398
55.9%
438Bitfoot 1.0.d9aeb43 64-bit2393+21−2148.3%+14.126.5%601
60.3%
439PostModernist 10162390+15−1548.2%+11.429.9%1090
51.6%
440Cmcchess 2.6 64-bit2389+14−1448.0%+15.036.8%1189
60.5%
441RomiChess P3n 64-bit2387+11−1148.9%+8.134.2%2279
53.5%
442byte-knight 3.0.0 64-bit2386+21−2131.2%+136.641.0%561
53.6%
443Popochin 4.3 64-bit2385+14−1447.1%+21.830.3%1227
57.3%
444Ifrit m1.8 64-bit2383+15−1548.2%+16.728.4%1192
52.3%
445Dragon 4.62382+14−1448.7%+9.232.4%1245
74.0%
446Diablo 0.5.12376+13−1347.8%+17.332.0%1635
52.9%
447‑449Bienchen 1.0 64-bit2375+14−1446.4%+28.427.6%1346
51.0%
447‑449Gosu 0.162375+14−1448.4%+12.027.3%1406
48.9%
447‑449Simplex 0.9.8 32-bit2375+25−2548.1%+14.929.8%403
66.7%
450KnightDreamer 3.32368+22−2248.7%+14.430.6%519
55.6%
451‑452Patzer 3.802366+15−1548.3%+14.124.7%1081
51.5%
451‑452Tigran 2.4n 64-bit2366+13−1348.9%+8.028.8%1614
71.1%
453‑455Alex 2.14a 64-bit2360+15−1548.8%+9.829.5%1067
51.7%
453‑455Amateur 2.822360+16−1648.2%+12.924.5%1055
48.1%
453‑455Sorgenkind 0.42360+11−1150.3%−1.327.7%2038
59.6%
456Googleplex Starthinker 1.6 64-bit2358+15−1548.6%+11.827.6%1179
61.4%
457Comet B682355+16−1648.7%+9.425.9%1046
69.7%
458Sage 3.532349+14−1448.4%+12.926.5%1274
55.3%
459‑460Horizon 4.42348+13−1348.0%+15.925.5%1485
49.4%
459‑460Thor's Hammer 2.282348+18−1848.8%+10.328.9%736
70.3%
461Tytan 9.32341+17−1747.9%+17.624.7%916
68.4%
462Cinnamon 2.5 64-bit2336+18−1845.9%+35.827.0%840
55.3%
463Plisk 0.2.7d 64-bit2334+15−1548.6%+11.326.8%1120
85.5%
464Flux 2.2.1 64-bit2322+18−1851.2%−10.830.0%819
83.9%
465Gibbon 2.60a 64-bit2310+16−1648.1%+13.531.7%957
70.1%
466Arion 1.72304+15−1548.2%+14.726.4%1167
63.9%
467Aice 0.99.22300+13−1347.2%+22.626.8%1550
54.1%
468Napoleon 1.8 64-bit2299+14−1450.3%−2.931.0%1310
59.7%
469Butcher 1.61 64-bit2296+26−2648.7%+13.525.2%393
55.5%
470Asterisk 0.62293+15−1548.1%+14.726.9%1187
64.6%
471Amundsen 0.802290+14−1449.1%+8.429.2%1269
56.6%
472FireFly 2.7.2 64-bit2288+11−1146.4%+27.528.0%2154
63.5%
473‑474Chezzz 1.0.32285+15−1548.9%+7.425.5%1134
49.7%
473‑474Der Bringer 1.92285+19−1950.0%−0.319.0%746
67.3%
475‑476WChess 1.062280+13−1350.2%−3.029.2%1711
51.0%
475‑476Zeus 1.272280+19−1946.5%+25.026.6%706
58.4%
477Kingfisher 1.1.1 64-bit2276+23−2350.7%−1.741.6%442
56.5%
478Mediocre 0.42274+21−2148.4%+11.623.5%565
66.8%
479Sungorus 1.4 64-bit2268+13−1348.9%+8.522.6%1583
58.1%
480Averno 0.812266+15−1548.1%+16.826.9%1259
63.7%
481‑482Anechka 0.082263+16−1648.8%+10.526.9%1061
48.4%
481‑482Austerlitz 1.4.7 64-bit2263+20−2039.9%+87.414.6%749
55.2%
483Rival 1.0.1 64-bit2261+20−2050.1%−2.427.8%663
54.2%
484‑485Ant 2006-F2260+16−1648.3%+12.224.0%1018
48.5%
484‑485Joker 1.1.142260+16−1648.9%+7.627.1%1045
53.5%
486Fischerle 0.9.80 SE 64-bit2259+17−1747.8%+17.225.7%917
53.9%
487‑488Absolute Zero 2.4.7.2 64-bit2258+12−1250.0%−1.622.9%1889
52.3%
487‑488Natwarlal 0.142258+16−1648.5%+11.525.0%1041
76.5%
489Matilde 2008 64-bit2249+17−1747.8%+18.028.0%899
62.3%
490Chaturanga 2.4.32246+15−1548.8%+8.026.1%1125
55.7%
491Camel 1.6.0 64-bit2243+31−3129.9%+174.021.7%304
55.9%
492AliChess 4.252241+16−1648.0%+14.524.3%1050
74.7%
493ChessKISS 1.8d 64-bit2231+24−2437.7%+102.135.2%438
56.1%
494‑495Chispa 4.0.32229+15−1548.8%+11.427.0%1216
47.7%
494‑495chessplusplus 1.2.0 64-bit2229+19−1947.5%+22.020.5%779
59.3%
496Ayito 0.2.9942226+16−1649.2%+5.022.7%1070
93.3%
497Exacto 0.e 64-bit2210+15−1548.8%+9.832.7%1139
53.6%
498RattateChess 1.0 Nosferatu2209+15−1549.3%+6.827.2%1158
54.5%
499Esc 1.162208+19−1947.4%+19.126.2%749
66.6%
500Beowulf 2.4a 64-bit2202+15−1548.9%+7.826.3%1171
55.0%
501KhepriChess 4.0.1 64-bit2201+21−2149.4%+3.716.5%673
51.8%
502Mango Paola Ajedrez 4.12200+16−1648.2%+14.826.4%1017
59.2%
503‑504Abbess 2022B2197+24−2449.5%+9.319.3%472
49.0%
503‑504Weini 0.0.23 64-bit2197+16−1648.7%+10.717.3%1115
68.0%
505Feuerstein 0.4.6.12192+17−1749.1%+6.328.5%944
62.3%
506Atak 6.82188+14−1449.8%+2.022.9%1522
53.3%
507RamJet 0.132187+16−1650.7%−5.726.8%1095
53.2%
508Buzz 0.08 64-bit2186+17−1748.8%+9.622.7%992
54.9%
509SpaceDog 0.97.7 64-bit2185+17−1745.9%+32.923.1%947
56.9%
510KMTChess 1.2.1 64-bit2183+21−2149.0%+6.624.7%592
52.6%
511Dolphin 1.0 64-bit2182+16−1649.0%+7.723.9%1103
72.9%
512Tiny Chess 1.46 64-bit2175+16−1648.4%+10.728.0%1038
61.1%
513Robocide 20170718 64-bit2172+15−1548.4%+13.124.7%1244
63.9%
514Adam 3.32168+16−1649.9%+1.022.5%1091
58.6%
515‑516Joker2 0.7.7 64-bit2166+17−1747.6%+18.432.6%880
47.6%
515‑516OBender 03.2016 64-bit2166+16−1650.1%−2.924.1%1110
55.9%
517Madeleine 0.22165+19−1946.1%+30.323.3%737
55.3%
518ZCT 0.3.24512162+24−2449.4%+5.125.7%474
56.8%
519Neurosis 2.32160+21−2147.4%+17.626.5%603
62.4%
520‑521Achillees 1.0 64-bit2155+22−2244.2%+49.819.9%572
51.3%
520‑521Baislicka 1.0 64-bit2155+17−1747.3%+21.825.5%962
55.4%
522Latista (Sinobyl) 1.52153+19−1948.4%+11.624.7%761
52.9%
523‑525BlackBishop 1.02152+16−1648.8%+10.527.1%1039
49.1%
523‑525ChessAlex 2.0r42152+17−1746.8%+23.727.2%870
52.1%
523‑525Dorpsgek Eve's Temptation 64-bit2152+12−1248.8%+7.924.0%1953
58.1%
526MORA 1.0.02149+22−2250.9%−6.528.2%554
57.9%
527Infrared 2.0.2 64-bit2146+21−2142.9%+56.227.6%580
57.2%
528Alf 1.092143+20−2049.4%+1.931.4%628
53.2%
529Alarm 0.93.12142+18−1845.1%+46.719.0%880
52.5%
530Embla 2.0.7 64-bit2141+24−2448.2%+14.626.7%424
53.4%
531NG-Play 9.87 64-bit2140+17−1748.1%+12.225.4%913
58.7%
532GopherCheck 0.2.3 64-bit2138+16−1648.7%+9.931.0%1039
54.5%
533NagaSkaki 5.122136+15−1551.1%−8.326.4%1291
67.3%
534Lime 662132+14−1451.7%−18.320.6%1411
58.7%
535Terra 3.42129+21−2149.0%+13.717.3%718
60.0%
536Soldat III 0.187 64-bit2126+18−1848.0%+16.226.3%813
67.2%
537Clever Girl r160 64-bit2120+18−1847.4%+17.124.4%872
68.0%
538Kurt 0.9.2.2 64-bit2114+18−1847.9%+18.724.2%832
53.4%
539Little Wing 0.7.0 64-bit2113+22−2248.6%+10.321.9%534
60.7%
540Micah 1.0 64-bit2109+21−2144.4%+46.426.6%612
53.6%
541Chesley r323 64-bit2108+19−1948.0%+16.220.7%810
51.2%
542ProChess 1.02AD2107+17−1748.4%+10.222.1%1043
73.2%
543Stellar 1.4.3 64-bit2099+22−2228.5%+193.518.7%679
59.1%
544KnockOut 0.7.12096+13−1350.7%−4.726.3%1602
84.1%
545Blitzkrieg rev337 64-bit2085+16−1646.9%+26.026.4%1013
72.4%
546Parrot 07.07.222079+16−1647.5%+21.423.0%1045
95.8%
547BikJump 2.01 64-bit2059+16−1648.6%+13.024.3%1077
61.4%
548Clarabit 1.00 32-bit2056+19−1947.6%+17.029.8%728
57.2%
549AdaChess 4.0 64-bit2053+27−2752.4%−21.413.9%409
52.9%
550King's Out 0.2.42 64-bit2051+19−1948.9%+9.517.3%820
77.9%
551Armageddon 2.3082041+21−2156.6%−58.620.2%678
55.5%
552Honzovy Sachy 2 64-bit2038+35−3538.4%+96.613.4%246
60.0%
553Bodo 0.2b2033+19−1947.8%+17.720.9%786
65.8%
554Gunborg 1.35 64-bit2027+19−1952.2%−9.927.9%806
55.7%
555Freyr 1.068 64-bit2026+18−1856.9%−58.420.2%925
64.0%
556AdroitChess 0.42021+19−1955.6%−54.215.6%904
58.9%
557‑558Small Potato 0.7.0 64-bit2018+18−1853.6%−31.321.3%873
50.7%
557‑558Smash 1.0.3a 64-bit2018+19−1947.7%+18.422.8%788
59.9%
559Jabba 1.0 64-bit2015+19−1945.0%+42.221.7%743
52.1%
560BigLion 2.23w2014+18−1845.9%+30.023.5%834
66.6%
561Maxwell 3.1-3 64-bit2008+23−2341.5%+74.617.8%591
76.7%
562Vice 1.0 64-bit1996+21−2150.1%−3.020.3%639
68.1%
563Matant 5.041990+18−1858.3%−66.621.7%903
56.0%
564Ecce 1.0 (rev. 508) 64-bit1988+18−1847.5%+20.818.5%937
62.0%
565Monarch 1.71985+15−1548.5%+14.719.2%1479
55.0%
566‑567Goldfish 1.13.0 64-bit1983+18−1849.4%+7.926.9%928
51.5%
566‑567PLP 16615711983+19−1946.7%+26.624.4%798
51.3%
568Zeta Dva 0301 64-bit1982+24−2447.7%+21.429.0%466
55.5%
569Squared-chess 1.3.0 64-bit1980+18−1851.6%−13.521.3%862
63.9%
570Mustang 4.971975+22−2244.5%+43.230.4%529
61.8%
571Matheus 2.31971+20−2044.9%+49.722.9%733
57.2%
572ChessMind 0.821968+20−2046.8%+27.319.1%776
56.3%
573Bestia 0.901966+24−2451.9%−14.023.6%501
58.2%
574Arabian Knight 1.55 64-bit1963+21−2147.2%+24.119.1%640
55.1%
575Slibo 0.5.11961+22−2246.2%+30.519.0%605
52.9%
576Schola 1.1.0 64-bit1960+19−1948.2%+14.922.6%835
51.9%
577Cupcake 1.1a 64-bit1959+18−1849.6%+3.716.1%850
53.1%
578Faile 1.4.41958+19−1954.9%−27.322.0%806
60.9%
579Wuttang r2 64-bit1955+15−1547.3%+19.022.4%1262
83.0%
580Bubble 1.51944+17−1743.6%+58.020.5%1101
83.7%
581La Dame Blanche 2.0c1934+14−1450.1%−0.718.7%1766
61.7%
582BibiChess 0.51931+21−2145.7%+34.926.5%607
56.7%
583Oberon 0.041928+21−2151.9%−13.219.4%648
52.7%
584BSC 3.91927+32−3245.5%+38.224.5%253
54.5%
585Snowy 0.2 64-bit1925+21−2149.1%+8.518.1%664
59.4%
586ALChess 1.841921+21−2152.8%−24.626.8%672
72.9%
587Heracles 0.6.161913+17−1747.3%+21.926.7%1054
92.0%
588Dabbaba 5.671894+22−2245.5%+36.126.4%557
57.3%
589‑590BeLL 0.0.41 64-bit1891+20−2050.1%−0.224.5%722
52.1%
589‑590Sissa 2.01891+19−1951.6%−12.129.8%772
73.5%
591Monik 2.2.3 32-bit1881+26−2644.4%+44.127.1%395
53.7%
592Wowl 1.3.81879+23−2345.4%+39.513.3%573
60.1%
593Etude 0.1.21875+20−2050.3%−2.524.5%772
57.1%
594Franky 1.0 64-bit1873+22−2248.8%+8.013.3%640
61.4%
595Micro-Max 4.8 (DM-PII)1869+19−1948.3%+14.026.1%865
65.4%
596MatMoi 7.15.0-cct 32-bit1863+22−2242.7%+61.224.5%568
60.7%
597Eia 0.31859+18−1847.1%+25.424.4%914
93.0%
598Presbyter 1.3.0 64-bit1839+22−2242.2%+62.716.5%638
53.0%
599Clueless 1.41838+16−1643.1%+60.515.2%1240
77.1%
600Reger 0.091830+18−1840.7%+77.822.3%924
56.9%
601Warrior 1.0.31828+17−1744.5%+45.122.5%1072
66.6%
602ChessterfieldCL i5a1822+21−2140.6%+81.620.4%657
55.8%
603Deepov 0.4.1 64-bit1820+20−2042.9%+62.116.7%736
64.4%
604Surprise 4.3b131815+20−2039.5%+89.819.4%768
54.2%
605Sapeli 1.02 64-bit1814+20−2047.9%+16.520.4%796
72.4%
606MOBMAT 0.903d 64-bit1805+22−2237.5%+119.716.0%668
59.9%
607GChess IV 0.2.01802+18−1841.2%+70.128.8%855
71.2%
608CDrill 1800 build 41794+20−2040.7%+86.615.2%764
85.0%
609Predateur 2.2 64-bit1773+36−3639.6%+90.918.1%216
75.3%
610Skiull 0.3 64-bit1759+21−2145.2%+37.824.8%660
54.6%
611Sayuri 2018.03.06 64-bit1757+23−2342.8%+59.616.0%600
54.2%
612BeRoChess 1.00 32-bit1755+32−3237.4%+108.422.9%266
52.8%
613‑614Pigeon 1.5.1 64-bit1753+24−2440.5%+75.926.1%502
50.0%
613‑614Roce 0.03901753+23−2343.4%+54.720.4%539
57.3%
615Ajedrez Tactico 2.73b1751+22−2242.4%+65.318.6%598
66.8%
616Apollo 1.2.1 64-bit1744+20−2054.3%−37.219.0%832
61.6%
617JSBam 0.521740+29−2981.9%−276.915.7%626
64.1%
618Chenard 2018.03.06 64-bit1734+17−1749.3%+5.017.0%1143
54.4%
619RataAeroespacial 0.2.11733+13−1342.5%+67.512.9%2478
69.4%
620Ranita 2.41727+23−2348.7%+6.216.2%653
84.7%
621Lodocase 2402081711+24−2453.8%−28.215.6%546
64.1%
622Robin 0.9831705+25−2551.0%−10.213.3%566
54.7%
623Ziggurat 0.18 64-bit1702+35−3529.3%+175.824.3%222
53.8%
624Mint 2.31700+24−2457.7%−67.920.1%556
53.9%
625Grizzly 1.40.1b1699+24−2456.0%−52.710.3%592
96.9%
626Pulsar 2009-9b1670+22−2249.9%−4.422.6%694
64.3%
627Zoidberg 0.11665+24−2454.9%−44.317.9%592
94.5%
628Enigma 1.1.41645+15−1541.8%+73.917.1%1840
69.0%
629Kanguruh 1.931639+21−2152.4%−15.919.4%754
95.0%
630Shallow Blue 2.0.0 64-bit1617+21−2152.1%−17.618.6%776
89.3%
631Tom Thumb 0.2 64-bit1602+19−1951.8%−12.622.7%1020
54.1%
632Laurifer 1.01601+22−2252.3%−20.017.0%777
56.5%
633‑634EnkoChess 2908181599+22−2250.3%+0.218.5%731
48.5%
633‑634TSCP 1.811599+19−1947.4%+23.717.0%1072
82.8%
635Spartan 1.01585+27−2763.5%−113.821.2%624
73.6%
636Philemon C1576+27−2762.3%−104.222.0%626
61.0%
637VanillaChess 2.6g1572+27−2761.5%−98.520.2%624
99.9%
638SdBC 0.5.15.11529+26−2656.6%−54.727.2%624
63.3%
639Rainman 0.7.51524+27−2756.0%−49.925.2%624
73.5%
640Pulse 1.6.1 64-bit1515+20−2042.4%+72.614.3%928
83.5%
641Monochrome1504+20−2049.3%+10.128.8%1300
63.0%
642Bullitchess 1.0 64-bit1500+27−2752.2%−22.019.1%628
79.9%
643Needle 0.5311489+19−1948.8%+21.227.2%1418
78.6%
644Casper rev4 64-bit1479+27−2750.2%−2.023.9%624
61.0%
645PolarChess 1.31475+27−2749.3%+3.016.9%629
65.5%
646Storm 0.61470+21−2138.3%+101.315.0%925
54.3%
647Darky 0.5d1468+23−2343.5%+62.020.8%677
71.8%
648Damas 91459+27−2747.8%+18.717.6%626
83.1%
649IQ23.001445+20−2033.6%+125.932.6%854
78.1%
650Cicada 0.1 64-bit1434+27−2744.1%+51.719.7%636
72.6%
651MSCP 1.6h1425+27−2744.0%+55.815.1%628
100.0%
652Apep 0.1.01374+26−2641.2%+77.710.1%683
89.3%
653Saruman 2017.08.10 64-bit1358+20−2030.7%+162.927.2%1249
98.8%
654Pooky 2.71329+27−2731.5%+155.917.1%626
84.1%
655Dreamer 0.3.0 64-bit1314+25−2533.9%+132.816.9%640
98.5%
656Hokus-Pokus 0.6.31279+28−2826.7%+208.911.0%628
54.6%
657BACE 4.61277+23−2321.5%+261.09.8%1027
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Stock
2
Plent
3
Torch
4
Obsid
5
Reckl
6
Alexa
7
Drago
8
Caiss
9
Clove
10
Berse
11
Integ
12
Virid
1Stockfish 17.1 64-bit 4CPU3645 15 − 15
+0−0=30
−1		16 − 14
+2−0=28
+11		15.5 − 14.5
+1−0=29
−1		15.5 − 14.5
+1−0=29
−3		16 − 14
+2−0=28
+5		32 − 29
+3−0=58
−4		16 − 14
+2−0=28
−3		16 − 14
+2−0=28
−4		34.5 − 26.5
+8−0=53
+11		33 − 27
+6−0=54
+1		17.5 − 12.5
+5−0=25
+20
2PlentyChess 7.0.0 64-bit 4CPU364415 − 15
+0−0=30
+1		 15 − 15
+0−0=30
−7		15 − 15
+0−0=30
−10		15 − 15
+0−0=30
−12		15.5 − 14.5
+1−0=29
−3		15.5 − 14.5
+1−0=29
−8		16 − 14
+2−0=28
−2		15.5 − 14.5
+1−0=29
−13		16 − 14
+2−0=28
−7		15.5 − 14.5
+1−0=29
−17		16 − 14
+2−0=28
−9
3Torch v4 64-bit 4CPU363714 − 16
+0−2=28
−11		15 − 15
+0−0=30
+7		 15 − 15
+2−2=26
−3		15 − 15
+0−0=30
−5		15.5 − 14.5
+1−0=29
+3		15 − 15
+3−3=24
−11		15 − 15
+0−0=30
−15		15.5 − 14.5
+1−0=29
−6		16.5 − 13.5
+3−0=27
+8		15 − 15
+0−0=30
−20		16.5 − 13.5
+3−0=27
+6
4Obsidian 16.0 64-bit 4CPU363414.5 − 15.5
+0−1=29
+1		15 − 15
+0−0=30
+10		15 − 15
+2−2=26
+3		 14.5 − 15.5
+1−2=27
−11		15.5 − 14.5
+1−0=29
+6		15 − 15
+0−0=30
−8		15 − 15
+1−1=28
−12		15.5 − 14.5
+1−0=29
−3		16 − 14
+2−0=28
+1		15.5 − 14.5
+1−0=29
−7		16.5 − 13.5
+3−0=27
+10
5Reckless 0.8.0 64-bit 4CPU363214.5 − 15.5
+0−1=29
+3		15 − 15
+0−0=30
+12		15 − 15
+0−0=30
+5		15.5 − 14.5
+2−1=27
+11		 16 − 14
+2−0=28
+17		15.5 − 14.5
+1−0=29
+3		15.5 − 14.5
+1−0=29
0		16 − 14
+2−0=28
+8		16.5 − 13.5
+3−0=27
+14		15.5 − 14.5
+1−0=29
−5		31.5 − 28.5
+3−0=57
−3
6Alexandria 8.1.12 64-bit 4CPU363114 − 16
+0−2=28
−5		14.5 − 15.5
+0−1=29
+3		14.5 − 15.5
+0−1=29
−3		14.5 − 15.5
+0−1=29
−6		14 − 16
+0−2=28
−17		 15.5 − 14.5
+1−0=29
+4		15 − 15
+0−0=30
−9		16 − 14
+3−1=26
+10		15.5 − 14.5
+2−1=27
−4		15.5 − 14.5
+2−1=27
−4		15 − 15
+1−1=28
−16
7Dragon by Komodo 3.3 64-bit 4CPU362629 − 32
+0−3=58
+4		14.5 − 15.5
+0−1=29
+8		15 − 15
+3−3=24
+11		15 − 15
+0−0=30
+8		14.5 − 15.5
+0−1=29
−3		14.5 − 15.5
+0−1=29
−4		 14 − 16
+0−2=28
−21		16 − 14
+3−1=26
+15		64.5 − 57.5
+7−0=115
+7		20.5 − 19.5
+1−0=39
−1		15 − 15
+1−1=28
−11
8Caissa 1.23 64-bit 4CPU362214 − 16
+0−2=28
+3		14 − 16
+0−2=28
+2		15 − 15
+0−0=30
+15		15 − 15
+1−1=28
+12		14.5 − 15.5
+0−1=29
0		15 − 15
+0−0=30
+9		16 − 14
+2−0=28
+21		 15 − 15
+1−1=28
−1		15 − 15
+0−0=30
−5		15 − 15
+0−0=30
−5		15.5 − 14.5
+2−1=27
+2
9Clover 9.1 64-bit 4CPU362114 − 16
+0−2=28
+4		14.5 − 15.5
+0−1=29
+13		14.5 − 15.5
+0−1=29
+6		14.5 − 15.5
+0−1=29
+3		14 − 16
+0−2=28
−8		14 − 16
+1−3=26
−10		14 − 16
+1−3=26
−15		15 − 15
+1−1=28
+1		 15.5 − 14.5
+2−1=27
+5		15 − 15
+2−2=26
−4		15 − 15
+0−0=30
−6
10Berserk 13 64-bit 4CPU361726.5 − 34.5
+0−8=53
−11		14 − 16
+0−2=28
+7		13.5 − 16.5
+0−3=27
−8		14 − 16
+0−2=28
−1		13.5 − 16.5
+0−3=27
−14		14.5 − 15.5
+1−2=27
+4		57.5 − 64.5
+0−7=115
−7		15 − 15
+0−0=30
+5		14.5 − 15.5
+1−2=27
−5		 20 − 21
+0−1=40
−6		15.5 − 14.5
+1−0=29
+6
11Integral v7 64-bit 4CPU361727 − 33
+0−6=54
−1		14.5 − 15.5
+0−1=29
+17		15 − 15
+0−0=30
+20		14.5 − 15.5
+0−1=29
+7		14.5 − 15.5
+0−1=29
+5		14.5 − 15.5
+1−2=27
+4		19.5 − 20.5
+0−1=39
+1		15 − 15
+0−0=30
+5		15 − 15
+2−2=26
+4		21 − 20
+1−0=40
+6		 15.5 − 14.5
+1−0=29
+7
12Viridithas 18.0.0 64-bit 4CPU361512.5 − 17.5
+0−5=25
−20		14 − 16
+0−2=28
+9		13.5 − 16.5
+0−3=27
−6		13.5 − 16.5
+0−3=27
−10		28.5 − 31.5
+0−3=57
+3		15 − 15
+1−1=28
+16		15 − 15
+1−1=28
+11		14.5 − 15.5
+1−2=27
−2		15 − 15
+0−0=30
+6		14.5 − 15.5
+0−1=29
−6		14.5 − 15.5
+0−1=29
−7		 
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

All engines (top 12, best versions only)
#NameElo1
Sto
2
Ple
3
Tor
4
Obs
5
Rec
6
Ale
7
Dra
8
Cai
9
Clo
10
Ber
11
Int
12
Vir
1Stockfish 17.1 64-bit 4CPU3645 55.685.692.094.493.3100.099.899.7100.0100.0100.0
2PlentyChess 7.0.0 64-bit 4CPU364444.4 78.486.290.189.599.499.399.2100.099.999.9
3Torch v4 64-bit 4CPU363714.421.6 63.571.772.995.596.396.099.899.599.3
4Obsidian 16.0 64-bit 4CPU36348.013.836.5 59.362.188.592.192.099.298.298.1
5Reckless 0.8.0 64-bit 4CPU36325.69.928.340.7 53.779.987.287.497.795.996.5
6Alexandria 8.1.12 64-bit 4CPU36316.710.427.137.946.3 72.782.382.994.592.493.6
7Dragon by Komodo 3.3 64-bit 4CPU36260.00.64.511.520.127.3 72.073.398.092.292.0
8Caissa 1.23 64-bit 4CPU36220.20.73.67.912.817.728.0 52.973.368.975.4
9Clover 9.1 64-bit 4CPU36210.30.84.08.012.617.126.747.1 68.564.871.9
10Berserk 13 64-bit 4CPU36170.00.00.20.82.35.52.026.731.4 46.359.3
11Integral v7 64-bit 4CPU36170.00.10.51.84.17.67.831.135.253.7 61.1
12Viridithas 18.0.0 64-bit 4CPU36150.00.10.71.93.56.48.024.628.140.738.9 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Complete list (all engines and versions)

Selections from the complete rating list:

All engines

Single-CPU engines

Multi-CPU engines

4-CPU engines

8-CPU engines

Free engines

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Free 4-CPU engines

Free 8-CPU engines

Open source engines

Open source single-CPU engines

Open source multi-CPU engines

Open source 4-CPU engines

Open source 8-CPU engines

Custom comparison

Step 1. Select class of engines to compare:

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Only best versions from each family

Select additional individual engines or engine families. You can select multiple items in each list by pressing SHIFT or CTRL while selecting. These lists can be used all at the same time, all selections will be simply combined together.

Families

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Step 2. Select output that you want to see.

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):
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
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Step 3.


Download games in PGN format

All games are compressed with 7-zip.

All games, without comments

2'231'374 games (412.09 MB)

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2'231'374 games (1281.38 MB)

Selection of games
(Please don't use aggressive download managers)

Various statistics

Created in 2005-2013 by CCRL team
Last games added on December 12, 2025