CCRL 40/40
Downloads and Statistics
June 28, 2015
Testing summary:
Total: 588'973 games
played by 1'638 programs
81647 CPU days (X2 4600+)

White wins: 205'865 (35.0%)
Black wins: 152'594 (25.9%)
Draws: 230'514 (39.1%)
White score: 54.5%

Rating list

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz)
Computed on June 28, 2015 with Bayeselo based on 588'973 games

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+
1Komodo 9.1 64-bit 4CPU3344+38−3768.3%−114.752.5%219 
94.4%
2Stockfish 6 64-bit 4CPU3312+16−1667.8%−109.954.4%1210
100.0%
3Houdini 4 64-bit 4CPU3267+13−1360.3%−66.149.7%1867
100.0%
4Fire 4 64-bit 4CPU3213+18−1848.8%+7.762.1%849
90.9%
5Gull 2.8b 64-bit 4CPU3196+20−2050.5%−6.052.8%745
57.6%
6Equinox 3.20 64-bit 4CPU3193+20−2048.9%+6.664.5%710
94.4%
7Critter 1.6a 64-bit 4CPU3175+10−1052.6%−16.358.3%3352
97.0%
8Rybka 4 64-bit 4CPU3161+12−1254.4%−30.250.1%2235
55.5%
9Bouquet 1.8 64-bit 4CPU3159+14−1447.0%+19.958.4%1423
78.7%
10Protector 1.8.0 64-bit 4CPU3145+34−3455.7%−36.855.5%254
58.6%
11BlackMamba 2.0 64-bit 4CPU3140+18−1744.6%+33.356.5%942
92.5%
12‑14NirvanaChess 2.1c 64-bit 4CPU3116+29−2944.1%+34.448.0%354
50.2%
12‑14Strelka 5.5 64-bit3116+9−954.4%−26.456.6%3785
49.2%
12‑14Texel 1.05 64-bit 4CPU3116+24−2449.1%+7.352.4%506
57.0%
15Hannibal 1.5 64-bit 4CPU3113+26−2551.9%−12.056.4%438
72.8%
16Naum 4.6 64-bit 4CPU3103+17−1745.4%+29.354.5%1077
64.8%
17Chiron 2 64-bit 4CPU3099+15−1541.7%+54.746.8%1357
84.8%
18Deep Fritz 14 64-bit 4CPU3088+17−1741.2%+54.555.9%1053
95.7%
19Hiarcs 14 4CPU3069+14−1441.8%+49.951.4%1591
99.2%
20Deep Junior 13 64-bit 4CPU3042+17−1743.1%+43.849.5%1113
60.9%
21Senpai 1.0 64-bit 4CPU3038+22−2246.1%+22.053.9%622
55.1%
22Andscacs 0.80 64-bit 4CPU3036+31−3150.3%−1.646.0%311
58.0%
23Spike 1.4 Leiden 4CPU3033+12−1243.9%+37.346.9%2447
57.5%
24Deep Shredder 12 64-bit 4CPU3031+11−1148.4%+9.946.0%2600
99.2%
25Cheng4 0.38 64-bit 4CPU2996+25−2546.4%+21.542.2%514
79.9%
26Spark 1.0 64-bit 4CPU2984+15−1544.2%+37.445.6%1381
69.3%
27Zappa Mexico II 64-bit 4CPU2979+10−1048.6%+8.248.1%3242
70.4%
28Fizbo 1.31 64-bit 4CPU2970+30−3051.7%−10.242.0%348
81.6%
29Gaviota 1.0 64-bit 4CPU2953+25−2647.8%+13.844.1%474
51.0%
30Arasan 17.5 64-bit 4CPU2952+29−2950.6%−3.645.1%350
57.1%
31EXchess 7.51b 64-bit 4CPU2948+37−3752.8%−17.146.7%214
51.2%
32Onno 1.2.70 64-bit 4CPU2947+22−2248.5%+10.546.4%644
60.2%
33Deep Sjeng c't 20102944+11−1145.3%+30.145.6%2857
63.5%
34Thinker 5.4d Inert 64-bit 4CPU2939+25−2548.7%+8.650.9%483
66.1%
35Toga II 3.0 4CPU2931+29−2946.8%+21.045.8%360
63.4%
36SmarThink 1.70 64-bit2925+20−2049.6%+2.440.8%829
68.4%
37‑38Crafty 23.8 64-bit 4CPU2915+34−3547.8%+14.647.0%251
48.6%
37‑38Vajolet2 2.0 64-bit2915+27−2749.0%+6.145.5%407
57.7%
39‑40DiscoCheck 5.2 64-bit2912+20−2049.6%+1.743.7%798
49.7%
39‑40Quazar 0.4 64-bit2912+13−1349.8%+2.242.9%1925
57.6%
41Tornado 6.0 64-bit 4CPU2909+29−2945.3%+29.741.8%376
59.3%
42MinkoChess 1.3 64-bit 4CPU2904+25−2548.5%+8.445.0%489
53.7%
43Bright 0.4a 4CPU2903+15−1549.4%+4.940.5%1475
56.9%
44Booot 5.2.0 64-bit2901+16−1648.6%+10.642.7%1337
64.3%
45Deuterium 14.3.34.130 64-bit2897+19−1949.3%+3.845.2%832
59.3%
46iCE 2.0 64-bit2893+20−2051.7%−12.041.9%843
63.3%
47Scorpio 2.7.6 64-bit 4CPU2887+28−2847.9%+14.044.7%396
77.6%
48Bobcat 6.4b 64-bit 4CPU2870+34−3447.3%+19.046.6%262
73.3%
49Nemo 1.0.1 64-bit2858+15−1549.5%+2.243.4%1434
60.2%
50Loop M1-T 64-bit 4CPU2856+12−1243.2%+42.745.2%2447
76.4%
51Rodent 1.7 64-bit2845+26−2652.4%−16.744.0%457
63.1%
52‑53BugChess2 1.9 64-bit 4CPU2838+29−2945.7%+24.537.9%388
49.7%
52‑53Octochess r5190 64-bit 4CPU2838+28−2843.6%+39.143.6%390
53.0%
54Pedone 1.1 64-bit 4CPU2837+33−3260.1%−74.739.0%318
52.3%
55Atlas 3.80 64-bit2835+27−2751.5%−9.043.7%435
55.2%
56‑57DisasterArea 1.54 64-bit2833+24−2546.7%+22.041.5%520
49.4%
56‑57Jonny 4.00 4CPU2833+30−3044.5%+30.536.1%363
54.2%
58Murka 3 64-bit2831+16−1649.9%+0.743.2%1298
77.4%
59GNU Chess 5.60 64-bit2820+24−2450.4%−5.941.0%529
76.9%
60Dirty 10Apr2015 64-bit2806+31−3149.5%+2.740.1%332
89.9%
61Frenzee 3.5.19 64-bit2782+18−1849.9%+1.434.4%1070
65.3%
62Naraku 1.42777+19−1949.6%+1.824.4%962
67.8%
63Rhetoric 1.4.1 64-bit2770+21−2151.5%−10.238.5%741
62.1%
64Twisted Logic 20100131x 64-bit2766+21−2151.5%−13.234.7%784
66.5%
65Bison 9.11 64-bit2759+20−2049.3%+4.334.5%831
64.3%
66Ktulu 92755+13−1345.9%+26.138.7%1906
60.6%
67Alfil 13.1 64-bit 4CPU2749+34−3542.9%+39.836.2%282
60.8%
68Chronos 1.9.9 64-bit2744+15−1550.0%+0.438.5%1432
83.1%
69Godel 3.4.9 64-bit2733+17−1750.5%−4.135.0%1126
64.5%
70Delfi 5.4 2CPU2728+19−1940.4%+66.735.7%1017
61.1%
71Chessmaster 11 2CPU2722+35−3547.5%+15.939.4%259
66.2%
72Hakkapeliitta 2.0 64-bit2713+26−2645.5%+29.234.3%487
64.4%
73ProDeo 1.862705+30−3049.0%+4.436.9%360
52.3%
74Chess Tiger 2007.12704+10−1045.3%+30.942.5%3273
98.3%
75Tucano 5.00 64-bit2678+22−2249.5%+2.040.7%666
51.6%
76‑77Cheese 1.7 64-bit2677+28−2855.9%−40.041.1%404
49.9%
76‑77Daydreamer 1.75 64-bit2677+18−1747.3%+18.940.6%1031
82.1%
78Movei 00.8.438 (10 10 10)2668+11−1247.2%+15.837.7%2646
52.0%
79RedQueen 1.1.3 64-bit2667+31−3146.7%+20.531.1%350
63.4%
80Alaric 7072661+12−1249.1%+5.934.4%2596
59.2%
81‑82Pawny 1.0 64-bit2658+17−1748.4%+9.738.0%1120
51.4%
81‑82Pharaon 3.5.1 4CPU2658+31−3235.7%+92.436.3%347
55.6%
83The Baron 2.23 64-bit2655+23−2350.1%−2.233.4%605
52.8%
84Djinn 1.010 64-bit2654+30−3049.6%+4.034.5%377
55.9%
85‑86Cyrano 0.6b17 64-bit2651+28−2848.9%+5.935.8%416
48.8%
85‑86Philou 3.7.1 64-bit2651+16−1649.8%+0.836.5%1283
59.2%
87E.T. Chess 13.01.082648+14−1449.2%+5.137.0%1730
74.4%
88Colossus 2008b2642+13−1348.7%+8.938.0%2068
64.3%
89Slow Chess Blitz WV2.12639+12−1248.2%+12.336.9%2515
62.6%
90Sjakk 2.2 64-bit2635+25−2551.2%−10.841.1%525
57.6%
91Rotor 0.7a2631+26−2650.2%−2.533.2%494
53.5%
92Gandalf 62630+12−1146.2%+25.635.7%2628
54.3%
93WildCat 82629+14−1449.0%+5.635.2%1806
62.2%
94Ruffian 2.1.02626+14−1446.9%+21.837.3%1787
58.7%
95Hamsters 0.72622+27−2748.9%+7.937.9%427
64.2%
96Nebula 2.0 64-bit2616+18−1850.1%−0.333.3%1020
64.3%
97Sloppy 0.2.2 64-bit2611+21−2149.6%+2.430.8%754
68.3%
98GreKo 12.8 64-bit2602+30−3051.1%−10.035.6%354
52.7%
99Rodin 7.02601+21−2149.5%+2.833.1%768
58.0%
100Aristarch 4.502598+12−1247.5%+18.032.0%2367
51.8%
101NoraGrace 2.0 64-bit2597+30−3057.2%−53.523.4%418
53.8%
102Glass 2.0 64-bit2596+18−1850.0%+0.635.1%1046
51.8%
103Petir 4.392595+22−2349.4%+1.737.3%638
61.9%
104N2 0.4 64-bit2591+17−1750.5%−4.435.1%1123
50.8%
105Pseudo 0.7c2590+13−1350.4%−2.637.4%1851
53.4%
106CuckooChess 1.12 32-bit2589+27−2747.8%+16.230.4%481
52.3%
107Amyan 1.722588+13−1350.8%−5.331.0%2089
84.3%
108GarboChess 3.0 64-bit2576+20−2050.7%−3.430.7%876
57.8%
109Jellyfish 1.1 64-bit2572+34−3455.1%−35.233.6%295
51.5%
110Brutus 8.05 64-bit2571+31−3148.3%+9.434.9%327
60.9%
111Capivara LK 0.09b02f 64-bit2566+26−2650.5%−5.131.8%494
58.7%
112‑114Arminius 2013-08-10 64-bit2561+31−3147.3%+19.427.0%352
49.3%
112‑114DanaSah 5.072561+18−1849.5%+1.938.0%1003
52.2%
112‑114Francesca MAD 0.192561+17−1747.1%+20.033.0%1185
52.7%
115SOS 5.12560+14−1447.9%+12.234.2%1795
64.6%
116Anaconda 2.0.12554+27−2747.9%+12.135.2%458
78.3%
117‑118AnMon 5.662540+23−2350.3%−1.931.0%658
49.4%
117‑118Ufim 8.022540+13−1349.3%+3.531.0%2046
69.1%
119nanoSzachy 4.0 64-bit2534+21−2148.4%+10.331.8%793
57.9%
120Phalanx XXIV2531+26−2649.3%+2.526.7%506
80.2%
121Hermann 2.8 64-bit2516+21−2148.4%+11.126.9%813
61.1%
122Nimzo 82511+28−2845.5%+33.132.2%453
60.9%
123Little Goliath Evolution 3.122506+18−1846.5%+23.833.5%1015
66.7%
124Tao 5.62501+17−1749.6%+2.727.1%1194
57.9%
125LittleThought 1.052 64-bit2498+20−2049.3%+3.924.7%863
52.7%
126Delphil 3.2 64-bit2497+26−2650.1%−0.435.1%482
59.5%
127‑128JikChess 0.01 64-bit2492+27−2751.5%−12.924.1%477
51.1%
127‑128Maverick 1.0 64-bit2492+34−3453.2%−25.430.7%296
53.5%
129Pupsi2 0.092490+21−2149.4%+3.129.3%771
63.8%
130Yace 0.99.872485+19−1950.0%+0.228.1%1007
53.2%
131Pepito 1.59 64-bit2483+26−2649.7%−0.935.6%489
52.2%
132Xpdnt 0910072482+16−1649.3%+4.832.0%1355
54.7%
133‑134K2 0.752480+30−3054.1%−28.633.2%379
50.7%
133‑134Matacz 1.32480+29−2947.4%+17.833.0%382
51.3%
135SpiderChess 0706032479+23−2350.1%+2.539.6%604
54.7%
136‑138Anatoli 0.35k2478+17−1750.3%−3.631.9%1262
50.0%
136‑138BBChess 1.3b2478+25−2551.0%−6.738.1%525
48.4%
136‑138Cerebro 3.03d2478+19−1949.7%+0.430.0%1000
51.7%
139Green Light Chess 3.01.2.22477+36−3646.3%+25.232.4%256
51.8%
140Trace 1.362476+22−2148.8%+8.926.5%765
53.3%
141Quark 2.352475+20−2049.0%+6.229.5%821
58.6%
142Bruja 1.9.1 64-bit2472+22−2248.9%+8.025.9%723
61.8%
143Counter 1.22467+17−1748.3%+12.238.2%1119
64.4%
144Ghost 2.0.2 64-bit2461+26−2648.1%+15.028.7%498
69.0%
145Donna 2.1 64-bit2451+33−3248.9%+9.028.1%327
58.4%
146Dorky 4.3 64-bit2446+29−2949.0%+6.629.9%391
61.7%
147‑148Eeyore 1.52 64-bit2441+22−2249.1%+5.226.6%744
49.4%
147‑148Hussar 0.42441+19−1948.4%+11.029.1%1017
53.4%
149Betsabe II 1.472440+24−2451.5%−9.826.0%620
50.5%
150Snitch 1.6.2 64-bit2439+32−3248.0%+15.526.6%349
51.7%
151Carballo 1.22438+31−3156.1%−41.729.2%359
52.7%
152Typhoon 1.00-3482437+37−3748.4%+11.127.8%255
57.9%
153Abrok 5.02432+26−2649.2%+5.829.4%496
56.8%
154PostModernist 10162429+24−2447.9%+13.428.4%585
56.4%
155Homer 2.012426+20−2149.1%+6.032.6%803
62.0%
156Gaia 3.5 64-bit2420+33−3249.7%+0.725.4%346
58.8%
157KnightDreamer 3.32415+37−3748.8%+10.132.5%243
52.7%
158Muse 0.899b2413+22−2247.7%+17.627.1%738
54.1%
159Ares 1.005 64-bit2411+23−2348.5%+11.034.8%646
52.9%
160Kiwi 0.6d 32-bit2410+20−2046.4%+23.527.1%861
60.9%
161‑163Diablo 0.5.12406+19−1949.5%+4.431.6%924
51.4%
161‑163Queen 4.032406+20−2048.9%+5.534.5%860
48.2%
161‑163Shallow r688 64-bit2406+20−2050.6%−6.029.7%886
54.9%
164Dragon 4.62405+19−1946.5%+23.834.2%898
57.8%
165RomiChess P3k 32-bit2402+19−1949.2%+5.333.0%906
59.1%
166Simplex 0.9.8 64-bit2398+25−2551.5%−11.122.2%585
60.5%
167‑168Comet B682394+23−2347.2%+19.025.8%682
49.0%
167‑168Waxman 20142394+25−2548.1%+12.331.4%558
53.7%
169Tigran 2.4n 64-bit2392+21−2149.5%+3.830.6%790
53.6%
170pikoSzachy 3.42391+35−3548.6%+9.824.1%295
50.3%
171‑172Amy 0.87b2390+25−2549.3%+8.025.3%565
49.9%
171‑172Patzer 3.802390+25−2549.7%+3.725.4%562
56.1%
173Ifrit m1.8 64-bit2388+23−2348.8%+11.429.4%669
59.7%
174Gosu 0.162384+21−2147.6%+16.926.7%794
52.5%
175Sorgenkind 0.42383+15−1551.6%−10.128.1%1561
52.6%
176‑177Amateur 2.822382+21−2147.0%+21.525.0%787
50.2%
176‑177Horizon 4.42382+18−1849.2%+4.526.3%1103
52.8%
178Alex 2.14a 64-bit2381+22−2250.4%−1.628.7%727
55.2%
179‑180Jazz 721 64-bit2379+22−2249.5%+2.727.6%729
49.0%
179‑180Sage 3.532379+18−1850.0%+0.927.9%1063
57.5%
181OliThink 5.3.2 64-bit2377+22−2249.5%+4.825.6%737
52.5%
182Thor's Hammer 2.28 32-bit2375+28−2849.6%+4.728.7%446
65.5%
183TJchess 1.1 32-bit2366+36−3647.4%+21.827.5%265
55.0%
184Tytan 9.32363+24−2450.7%−4.925.9%633
55.5%
185Myrddin 0.87 64-bit2361+29−2947.2%+18.828.0%415
73.2%
186Plisk 0.2.7d 32-bit2349+22−2250.9%−8.025.3%719
57.3%
187Flux 2.2.12346+22−2349.9%+1.330.7%672
55.6%
188Lozza 1.15 64-bit2343+32−3255.9%−42.231.8%330
52.4%
189Arion 1.72342+20−2051.6%−13.327.6%852
58.6%
190WChess 1.062338+32−3347.3%+16.033.0%315
55.1%
191CyberPagno 2.2 64-bit2335+27−2750.8%−6.424.5%485
64.6%
192‑193Aice 0.99.22328+21−2147.2%+20.326.3%787
49.0%
192‑193Amundsen 0.802328+20−2047.5%+18.629.9%825
52.6%
194EveAnn 1.712327+35−3547.5%+17.932.9%280
52.9%
195Asterisk 0.62326+20−2048.9%+6.627.2%837
51.2%
196Nemeton 1.12325+32−3245.3%+31.730.6%333
60.2%
197Bagatur 1.3a 64-bit2320+20−2052.8%−22.627.3%907
58.3%
198‑200Averno 0.812317+24−2449.2%+4.427.5%586
49.9%
198‑200Gibbon 2.60a 64-bit2317+25−2548.9%+5.930.6%565
48.2%
198‑200KnightX 1.922317+23−2349.7%+1.727.6%641
52.6%
201Butcher 1.61 64-bit2316+34−3444.7%+41.024.9%301
60.2%
202ECE 12.012311+22−2248.5%+9.224.6%752
51.2%
203Sungorus 1.4 64-bit2310+31−3147.8%+15.824.1%378
51.7%
204Mediocre 0.42309+34−3450.8%−6.824.3%305
54.6%
205‑206Popochin 2.92306+31−3147.4%+22.630.4%372
50.6%
205‑206Zeus 1.272306+31−3151.6%−16.724.4%386
61.3%
207Natwarlal 0.142300+21−2148.4%+12.324.2%827
61.7%
208‑209Ant 2006-F2296+25−2448.5%+8.223.8%617
49.1%
208‑209Chezzz 1.0.32296+24−2449.8%−0.725.6%617
51.6%
210Joker 1.1.142295+22−2250.6%−4.727.8%730
68.8%
211Anechka 0.082288+20−2046.6%+25.726.2%928
56.7%
212Matilde 2008 64-bit2284+35−3548.6%+11.327.6%279
54.5%
213‑214AliChess 4.252282+23−2349.9%−0.924.4%679
49.8%
213‑214Chaturanga 2.4.32282+25−2550.3%−2.527.1%569
69.1%
215Orion 0.2 64-bit2273+23−2349.1%+6.327.3%637
52.2%
216FireFly 2.7.0 64-bit2272+22−2247.8%+14.030.1%695
77.6%
217Chispa 4.0.32260+21−2149.4%+4.427.5%800
55.0%
218Fischerle 0.9.60 64-bit2258+29−2947.1%+22.023.9%418
72.5%
219RattateChess 1.0 Nosferatu2246+22−2249.2%+8.228.2%692
53.0%
220‑221Beowulf 2.4a 64-bit2245+22−2252.4%−18.925.2%761
50.2%
220‑221Mango Paola Ajedrez 4.12245+22−2347.8%+16.226.0%699
56.3%
222Absolute Zero 2.4.0.0 64-bit2243+24−2449.4%+3.124.8%633
50.4%
223Ayito 0.2.9942242+24−2448.3%+11.022.6%624
54.9%
224Protej 0.5.8c2240+28−2845.1%+35.423.0%473
55.3%
225MadChess 1.4 64-bit2238+22−2247.0%+19.827.7%723
57.0%
226Buzz 0.08 64-bit2234+36−3648.3%+11.523.8%269
51.3%
227Exacto 0.e 64-bit2233+23−2348.3%+12.133.5%659
52.1%
228Atak 6.82232+20−2047.4%+19.122.9%888
55.0%
229Feuerstein 0.4.6.12231+19−1949.1%+5.428.5%944
70.9%
230Dolphin 1.02222+22−2249.9%−1.624.9%732
53.0%
231KMTChess 1.2.1 64-bit2221+26−2649.5%+2.723.4%548
53.8%
232ChessAlex 2.0r42219+24−2449.1%+3.429.7%607
56.9%
233Bearded N44.22215+36−3651.1%−7.025.4%268
56.2%
234Uralochka 1.1b2212+20−2049.4%+3.726.2%897
58.5%
235ChessKISS 1.7 64-bit2209+21−2249.1%+2.229.6%758
56.9%
236Adam 3.32206+21−2150.3%−2.922.1%815
59.8%
237ZCT 0.3.24512202+27−2749.4%+3.525.5%478
57.5%
238Neurosis 2.52198+17−1749.1%+7.228.6%1218
67.4%
239BlackBishop 1.02193+19−1848.9%+8.027.3%1034
54.4%
240NG-Play 9.85 64-bit2191+34−3449.0%+6.528.8%306
55.0%
241Alf 1.092188+24−2449.3%+1.730.9%618
50.7%
242Latista (Sinobyl) 1.52187+28−2848.4%+8.325.2%449
54.3%
243Prophet 2.0 64-bit2185+36−3555.1%−37.223.8%282
51.8%
244ProChess 1.02AD2184+21−2148.9%+3.323.3%824
51.5%
245OBender 3.2.4.22183+20−2049.9%+2.325.3%904
66.7%
246Chesley r323 64-bit2174+37−3748.3%+13.623.8%261
51.9%
247Kurt 0.9.2.2 64-bit2173+25−2549.3%+4.923.2%594
61.6%
248NagaSkaki 5.122168+20−2050.5%−4.228.0%917
64.8%
249Lime 662163+23−2350.2%−3.521.1%729
90.5%
250KnockOut 0.7.12144+16−1651.8%−13.026.7%1416
86.0%
251Parrot 07.07.222130+21−2149.1%+6.423.1%815
53.9%
252BikJump 2.01 64-bit2127+37−3746.2%+25.929.2%250
64.7%
253Napoleon 1.5.0 64-bit2119+27−2746.6%+24.825.1%479
76.0%
254Clarabit 1.00 32-bit2106+22−2247.6%+14.229.9%736
86.7%
255Jabba 1.0 64-bit2082+36−3645.0%+33.822.1%280
78.8%
256Soldat III 0.178 64-bit2063+29−2950.8%−6.923.0%422
61.2%
257BigLion 2.23x2058+19−2046.3%+26.926.8%937
65.4%
258Ecce 1.0 (rev. 508) 64-bit2050+30−3049.4%+7.420.0%421
74.6%
259PLP 16615712037+24−2445.9%+29.823.9%640
64.7%
260Matheus 2.32031+25−2545.1%+37.222.7%599
54.5%
261Mustang 4.972029+27−2743.9%+40.530.8%484
61.9%
262Monarch 1.72023+22−2245.9%+39.819.5%858
56.9%
263Bubble 1.52020+22−2244.5%+42.021.4%803
52.4%
264Slibo 0.5.12019+26−2645.5%+34.019.4%573
72.3%
265ChessMind 0.822009+25−2546.5%+25.617.0%600
62.1%
266Cupcake 1.1a2002+30−3045.8%+35.315.5%444
64.9%
267BibiChess 0.51995+26−2646.8%+22.525.6%555
58.3%
268BSC 3.91990+37−3745.1%+37.624.0%263
55.9%
269Schola 1.1.0 32-bit1986+27−2745.7%+31.926.0%480
76.6%
270Zeta Dva 0220 64-bit1970+33−3344.9%+41.417.7%355
51.3%
271‑272Dabbaba 5.671969+38−3942.9%+52.821.4%248
50.4%
271‑272Heracles 0.6.161969+24−2445.5%+32.827.8%608
56.9%
273‑274Marvin 1.3.01966+25−2544.6%+39.821.9%606
51.4%
273‑274Rival 1.181966+24−2446.8%+21.126.6%606
60.8%
275AdroitChess 0.31960+33−3443.2%+55.519.1%351
60.0%
276Monik 2.2.3 32-bit1954+31−3145.6%+30.627.1%365
73.2%
277Smash 1.0.31941+26−2640.8%+74.417.8%574
61.1%
278Micro-Max 4.8 (DM-PII)1936+24−2448.7%+11.025.1%593
54.0%
279MatMoi 7.15.0-cct 32-bit1934+25−2542.7%+55.324.5%568
88.3%
280Reger 0.091913+25−2541.0%+67.721.6%606
70.4%
281Clueless 1.41904+23−2340.4%+76.617.2%762
65.7%
282Warrior 1.0.31897+24−2443.6%+47.923.0%660
58.4%
283GChess IV 0.2.01894+26−2640.6%+69.628.3%515
68.4%
284Surprise 4.3b131884+29−3038.9%+87.819.1%446
89.4%
285Predateur 2.2 64-bit1853+41−4239.6%+78.818.1%216
68.3%
286BeRoChess 1.00 32-bit1839+37−3837.4%+97.322.9%266
96.7%
287Ziggurat 0.18 64-bit1788+41−4329.3%+160.324.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Komodo 9.1 64-bit 4CPU3344 32 − 29
+11−8=42
−18
40.5 − 18.5
+25−3=31
+34
7 − 2
+6−1=2
+74
  6.5 − 1.5
+5−0=3
+43
 6 − 2
+4−0=4
−39
6 − 2
+4−0=4
−46
6.5 − 1.5
+5−0=3
+5
7 − 1
+6−0=2
+55
2Stockfish 6 64-bit 4CPU331229 − 32
+8−11=42
+18
 76 − 38
+43−5=66
+50
72 − 40
+37−5=70
−21
28 − 14
+17−3=22
−17
30 − 12
+18−0=24
+5
44.5 − 15.5
+30−1=29
+8
31.5 − 10.5
+22−1=19
+5
39 − 11
+28−0=22
+23
 35 − 15
+22−2=26
−53
13.5 − 5.5
+8−0=11
−74
3Houdini 4 64-bit 4CPU326718.5 − 40.5
+3−25=31
−34
38 − 76
+5−43=66
−50
 32.5 − 27.5
+17−12=31
−30
27.5 − 16.5
+18−7=19
+8
27.5 − 14.5
+15−2=25
+12
50.5 − 20.5
+32−2=37
+33
30 − 14
+21−5=18
+10
25.5 − 7.5
+19−1=13
+73
8 − 2
+6−0=4
+73
34 − 13
+23−2=22
+9
 
4Fire 4 64-bit 4CPU32132 − 7
+1−6=2
−74
40 − 72
+5−37=70
+21
27.5 − 32.5
+12−17=31
+30
 21.5 − 20.5
+6−5=31
−9
34 − 28
+10−4=48
+5
42.5 − 27.5
+21−6=43
+21
25 − 17
+11−3=28
0
31 − 21
+14−4=34
−1
5 − 4
+2−1=6
−36
19 − 13
+11−5=16
−16
15 − 5
+11−1=8
+62
5Gull 2.8b 64-bit 4CPU3196 14 − 28
+3−17=22
+17
16.5 − 27.5
+7−18=19
−8
20.5 − 21.5
+5−6=31
+9
 2.5 − 7.5
+0−5=5
−157
24.5 − 19.5
+12−7=25
+11
4 − 6
+2−4=4
−98
1 − 1
+0−0=2
−37
 21.5 − 12.5
+13−4=17
+21
13 − 6
+8−1=10
+28
6Equinox 3.20 64-bit 4CPU3193 12 − 30
+0−18=24
−5
14.5 − 27.5
+2−15=25
−12
28 − 34
+4−10=48
−5
7.5 − 2.5
+5−0=5
+157
 20.5 − 21.5
+5−6=31
−22
6.5 − 4.5
+2−0=9
+9
17 − 15
+4−2=26
−17
 20.5 − 11.5
+10−1=21
+23
15.5 − 3.5
+12−0=7
+136
7Critter 1.6a 64-bit 4CPU31751.5 − 6.5
+0−5=3
−43
15.5 − 44.5
+1−30=29
−8
20.5 − 50.5
+2−32=37
−33
27.5 − 42.5
+6−21=43
−21
19.5 − 24.5
+7−12=25
−11
21.5 − 20.5
+6−5=31
+22
 32 − 28
+14−10=36
+5
17 − 15
+5−3=24
0
6 − 4
+3−1=6
+28
21 − 13
+9−1=24
+27
11.5 − 8.5
+5−2=13
−19
8Rybka 4 64-bit 4CPU3161 10.5 − 31.5
+1−22=19
−5
14 − 30
+5−21=18
−10
17 − 25
+3−11=28
0
6 − 4
+4−2=4
+98
4.5 − 6.5
+0−2=9
−9
28 − 32
+10−14=36
−5
 15.5 − 14.5
+5−4=21
+7
 18 − 14
+11−7=14
+17
 
9Bouquet 1.8 64-bit 4CPU31592 − 6
+0−4=4
+39
11 − 39
+0−28=22
−23
7.5 − 25.5
+1−19=13
−73
21 − 31
+4−14=34
+1
1 − 1
+0−0=2
+37
15 − 17
+2−4=26
+17
15 − 17
+3−5=24
0
14.5 − 15.5
+4−5=21
−7
 6.5 − 5.5
+3−2=7
+4
2 − 2
+0−0=4
−19
13.5 − 7.5
+7−1=13
+38
10Protector 1.8.0 64-bit 4CPU31452 − 6
+0−4=4
+46
 2 − 8
+0−6=4
−73
4 − 5
+1−2=6
+36
  4 − 6
+1−3=6
−28
 5.5 − 6.5
+2−3=7
−4
 5 − 7
+3−5=4
−55
5.5 − 6.5
+2−3=7
−50
11BlackMamba 2.0 64-bit 4CPU31401.5 − 6.5
+0−5=3
−5
15 − 35
+2−22=26
+53
13 − 34
+2−23=22
−9
13 − 19
+5−11=16
+16
12.5 − 21.5
+4−13=17
−21
11.5 − 20.5
+1−10=21
−23
13 − 21
+1−9=24
−27
14 − 18
+7−11=14
−17
2 − 2
+0−0=4
+19
7 − 5
+5−3=4
+55
 11.5 − 10.5
+5−4=13
−13
12NirvanaChess 2.1c 64-bit 4CPU31161 − 7
+0−6=2
−55
5.5 − 13.5
+0−8=11
+74
 5 − 15
+1−11=8
−62
6 − 13
+1−8=10
−28
3.5 − 15.5
+0−12=7
−136
8.5 − 11.5
+2−5=13
+19
 7.5 − 13.5
+1−7=13
−38
6.5 − 5.5
+3−2=7
+50
10.5 − 11.5
+4−5=13
+13
 
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)
#NameElo123456789101112
1Komodo 9.1 64-bit 4CPU3344 94.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Stockfish 6 64-bit 4CPU33125.6 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 4 64-bit 4CPU32670.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Fire 4 64-bit 4CPU32130.00.00.0 90.994.3100.0100.0100.0100.0100.0100.0
5Gull 2.8b 64-bit 4CPU31960.00.00.09.1 57.696.699.899.899.4100.0100.0
6Equinox 3.20 64-bit 4CPU31930.00.00.05.742.4 94.499.699.799.2100.0100.0
7Critter 1.6a 64-bit 4CPU31750.00.00.00.03.45.6 97.096.795.6100.0100.0
8Rybka 4 64-bit 4CPU31610.00.00.00.00.20.43.0 55.580.996.799.7
9Bouquet 1.8 64-bit 4CPU31590.00.00.00.00.20.33.344.5 78.795.199.6
10Protector 1.8.0 64-bit 4CPU31450.00.00.00.00.60.84.419.121.3 58.690.4
11BlackMamba 2.0 64-bit 4CPU31400.00.00.00.00.00.00.03.34.941.4 92.5
12NirvanaChess 2.1c 64-bit 4CPU31160.00.00.00.00.00.00.00.30.49.67.5 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100


Complete list (all engines and versions)

Pure list (removes rating distortions)


Selections from the complete rating list:

All engines   |   32-bit

1-2-CPU engines   |   32-bit

Single-CPU engines   |   32-bit

Multi-CPU engines   |   32-bit

2-CPU engines   |   32-bit

4-CPU engines   |   32-bit

Free engines   |   32-bit

Free 1-2-CPU engines   |   32-bit

Free single-CPU engines   |   32-bit

Free multi-CPU engines   |   32-bit

Free 2-CPU engines   |   32-bit

Free 4-CPU engines   |   32-bit

Open source engines   |   32-bit

Open source 1-2-CPU engines   |   32-bit

Open source single-CPU engines   |   32-bit

Open source multi-CPU engines   |   32-bit

Open source 2-CPU engines   |   32-bit

Open source 4-CPU engines   |   32-bit

Custom comparison

Step 1. Select class of engines to compare:

Only public releases (no private engines)
Only stable versions (no beta versions)
Only engines with default settings
Only new versions
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

Engines


Step 2. Select output that you want to see.

Rating list
Testing profile
  (Step: , Numbers: )

Results table
Performance table
Score table
LOS table
Ponder hit table
Eval difference 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
Ponder hit with common opponents
Ponder hit with all opponents
Eval difference with common opponents
Eval difference with all opponents

Ponder hit: most similar pairs
Ponder hit: most similar pairs (different families only)
Ponder hit: most different pairs
Ponder hit: most different pairs (same families only)
Eval diff: most similar pairs
Eval diff: most similar pairs (different families only)
Eval diff: most different pairs
Eval diff: most different pairs (same families only)

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

588'973 games (112.63 MB)

All games with comments

588'973 games (352.91 MB)

Selection of games

(Please don't use aggressive download managers)

Various statistics


Created in 2005-2013 by CCRL team
Last games added on June 28, 2015