CCRL 40/40
Downloads and Statistics
March 28, 2015
Testing summary:
Total: 572'091 games
played by 1'600 programs
78856 CPU days (X2 4600+)

White wins: 200'320 (35.0%)
Black wins: 148'383 (25.9%)
Draws: 223'388 (39.0%)
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 March 28, 2015 with Bayeselo based on 572'091 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+
1Stockfish 6 64-bit 4CPU3312+18−1870.5%−126.053.3%946 
81.1%
2Komodo 8 64-bit 4CPU3302+16−1669.8%−127.249.0%1298
99.9%
3Houdini 4 64-bit 4CPU3271+14−1462.7%−81.549.1%1640
100.0%
4Fire 4 64-bit 4CPU3216+24−2448.2%+10.062.6%487
74.3%
5Gull 2.8b 64-bit 4CPU3205+22−2254.2%−28.253.6%606
86.2%
6Equinox 3.20 64-bit 4CPU3188+23−2350.6%−3.965.9%516
84.2%
7Critter 1.6a 64-bit 4CPU3175+10−1053.6%−22.358.5%3136
96.1%
8Rybka 4 64-bit 4CPU3161+12−1256.0%−39.949.7%2080
63.9%
9Bouquet 1.8 64-bit 4CPU3157+15−1547.9%+14.059.1%1213
89.1%
10BlackMamba 2.0 64-bit 4CPU3142+19−1943.4%+39.555.8%824
84.7%
11‑12Hannibal 1.5 64-bit 4CPU3123+31−3153.4%−20.157.3%295
51.0%
11‑12Texel 1.05 64-bit 4CPU3123+29−2948.8%+8.751.9%345
66.1%
13Strelka 5.5 64-bit3116+9−954.9%−29.757.0%3639
83.3%
14Naum 4.6 64-bit 4CPU3105+18−1844.6%+33.954.1%959
71.2%
15Chiron 2 64-bit 4CPU3098+16−1640.6%+61.446.2%1278
75.4%
16Protector 1.7.0 64-bit 4CPU3090+20−2043.4%+40.950.4%784
55.7%
17Deep Fritz 14 64-bit 4CPU3088+17−1741.2%+54.955.9%1053
76.9%
18NirvanaChess 2.0a 64-bit 4CPU3075+30−3044.7%+35.650.1%337
62.3%
19Hiarcs 14 4CPU3069+14−1441.4%+53.251.2%1504
99.4%
20Deep Junior 13 64-bit 4CPU3041+17−1742.3%+47.949.7%1082
63.4%
21Senpai 1.0 64-bit 4CPU3036+25−2546.0%+22.253.5%467
57.2%
22Spike 1.4 Leiden 4CPU3033+12−1243.5%+40.147.0%2338
59.2%
23Deep Shredder 12 64-bit 4CPU3031+11−1148.4%+10.246.0%2600
97.2%
24Cheng4 0.38 64-bit 4CPU2997+31−3246.3%+20.642.8%313
83.4%
25Zappa Mexico II 64-bit 4CPU2980+10−1048.7%+7.548.1%3198
54.9%
26Spark 1.0 64-bit 4CPU2979+16−1643.0%+45.746.1%1283
74.0%
27Andscacs 0.72 64-bit2968+31−3155.3%−33.247.2%322
53.4%
28Fizbo 1.31 64-bit 4CPU2966+34−3450.9%−5.840.2%276
60.9%
29Arasan 17.5 64-bit 4CPU2959+39−3857.5%−49.941.8%208
52.9%
30Gaviota 1.0 64-bit 4CPU2957+30−3048.1%+11.045.9%342
72.3%
31Onno 1.2.70 64-bit 4CPU2946+22−2248.4%+10.446.2%621
51.8%
32Deep Sjeng c't 20102945+11−1145.3%+29.945.7%2847
63.3%
33Thinker 5.4d Inert 64-bit 4CPU2940+25−2549.2%+3.850.9%462
58.0%
34Toga II 3.0 4CPU2936+31−3147.7%+15.246.8%308
78.2%
35Crafty 23.8 64-bit 4CPU2918+34−3547.8%+14.947.0%251
50.5%
36SmarThink 1.70 64-bit2917+22−2248.9%+8.340.8%674
56.4%
37DiscoCheck 5.2 64-bit2915+20−2150.6%−4.944.0%748
51.6%
38Tornado 6.0 64-bit 4CPU2914+33−3344.0%+38.541.0%293
52.7%
39Quazar 0.4 64-bit2913+13−1349.8%+1.643.2%1862
79.3%
40Booot 5.2.0 64-bit2905+16−1649.2%+6.343.2%1262
50.8%
41MinkoChess 1.3 64-bit 4CPU2904+26−2648.7%+6.244.0%464
52.2%
42Bright 0.4a 4CPU2903+15−1549.4%+5.240.5%1475
59.9%
43Deuterium 14.3.34.130 64-bit2900+21−2150.5%−3.947.0%696
59.9%
44Scorpio 2.7.6 64-bit 4CPU2895+31−3149.1%+6.443.8%317
61.5%
45iCE 2.0 64-bit2889+21−2152.1%−15.641.6%709
63.9%
46Vajolet2 1.44 64-bit2882+31−3052.5%−16.946.1%323
53.0%
47EXchess 7.18b 64-bit 4CPU2880+35−3546.7%+20.737.9%256
86.8%
48Nemo 1.0.1 64-bit2857+15−1549.6%+1.643.1%1382
55.9%
49Loop M1-T 64-bit 4CPU2856+12−1243.2%+42.845.2%2447
65.6%
50Octochess r5190 64-bit 4CPU2849+30−3044.9%+31.042.9%354
64.8%
51DisasterArea 1.54 64-bit2840+28−2848.1%+13.341.8%390
57.7%
52Atlas 3.80 64-bit2836+33−3351.9%−13.344.4%286
52.7%
53BugChess2 1.9 64-bit 4CPU2834+30−3146.8%+15.137.6%364
59.5%
54Murka 3 64-bit2830+16−1749.8%+1.242.2%1165
55.1%
55Jonny 4.00 4CPU2827+31−3145.2%+23.434.1%355
59.2%
56GNU Chess 5.60 64-bit2822+28−2850.7%−9.039.8%415
82.9%
57Rodent 1.6 64-bit2802+31−3149.0%+8.137.6%338
86.7%
58Frenzee 3.5.19 64-bit2782+18−1849.9%+1.434.4%1070
66.0%
59Naraku 1.42777+19−1949.7%+1.324.3%948
63.2%
60Dirty 20Apr2013 64-bit2772+17−1748.7%+8.536.9%1213
65.8%
61‑62Rhetoric 1.4.1 64-bit2766+23−2351.4%−8.637.9%589
51.2%
61‑62Twisted Logic 20100131x 64-bit2766+21−2151.5%−12.734.7%784
60.1%
63‑64Alfil 13.1 64-bit 4CPU2760+40−4044.3%+26.134.0%212
50.0%
63‑64Bison 9.11 64-bit2760+20−2049.4%+3.234.5%821
65.1%
65Ktulu 92755+13−1345.9%+26.438.7%1906
84.6%
66Chronos 1.9.9 64-bit2745+15−1550.2%−1.338.4%1412
70.7%
67Pedone 1.0 64-bit2736+28−2853.7%−28.335.8%408
60.7%
68Godel 3.4.9 64-bit2731+18−1849.8%+1.635.4%1001
63.3%
69‑70Bobcat 3.25 64-bit2727+17−1749.2%+4.839.4%1145
48.3%
69‑70Delfi 5.4 2CPU2727+19−1940.4%+67.235.7%1017
60.0%
71Chessmaster 11 2CPU2722+35−3547.5%+16.139.4%259
58.9%
72Hakkapeliitta 2.0 64-bit2717+30−3042.4%+49.333.5%370
70.3%
73ProDeo 1.862705+30−3049.0%+4.636.9%360
52.2%
74Chess Tiger 2007.12704+10−1045.3%+31.042.5%3273
99.6%
75Daydreamer 1.75 64-bit2677+18−1847.3%+18.740.5%1026
58.6%
76Tucano 5.00 64-bit2674+24−2448.7%+6.041.2%551
66.5%
77Movei 00.8.438 (10 10 10)2668+11−1247.2%+16.137.7%2646
53.3%
78RedQueen 1.1.3 64-bit2667+31−3146.7%+20.231.1%350
62.6%
79Alaric 7072661+12−1249.1%+6.034.4%2596
66.5%
80Pawny 1.0 64-bit2656+17−1848.3%+10.137.8%1071
55.5%
81The Baron 2.23 64-bit2654+23−2350.1%−1.833.4%605
57.1%
82‑83Djinn 1.010 64-bit2651+30−3049.7%+3.834.2%365
50.8%
82‑83Philou 3.7.1 64-bit2651+16−1649.8%+0.436.3%1274
54.0%
84‑85Cyrano 0.6b17 64-bit2649+28−2848.8%+7.235.9%412
50.8%
84‑85E.T. Chess 13.01.082649+14−1449.2%+4.237.0%1730
52.6%
86Pharaon 3.5.1 4CPU2647+34−3435.0%+97.736.4%297
60.0%
87Colossus 2008b2642+13−1348.7%+9.038.0%2068
64.6%
88Slow Chess Blitz WV2.12639+12−1248.2%+12.336.9%2515
72.3%
89‑90Rotor 0.7a2631+26−2650.2%−3.432.9%486
49.8%
89‑90Sjakk 2.2 64-bit2631+28−2852.3%−17.641.2%420
52.4%
91Gandalf 62630+11−1246.2%+25.435.7%2628
53.5%
92WildCat 82629+14−1449.0%+5.635.2%1806
57.0%
93‑94Hamsters 0.72626+27−2749.6%+2.938.5%421
50.7%
93‑94Ruffian 2.1.02626+14−1446.9%+21.837.3%1787
81.9%
95Nebula 2.0 64-bit2615+18−1850.1%−0.733.4%1005
61.7%
96Sloppy 0.2.2 64-bit2611+21−2149.6%+2.330.8%754
84.8%
97‑98Aristarch 4.502598+12−1247.5%+17.832.0%2367
50.2%
97‑98Rodin 7.02598+23−2348.9%+8.333.0%655
51.9%
99NoraGrace 2.0 64-bit2597+35−3460.9%−80.323.7%312
54.1%
100Petir 4.392595+23−2349.4%+1.337.3%638
53.0%
101Glass 2.0 64-bit2594+18−1849.9%+0.935.3%1040
59.6%
102‑103N2 0.4 64-bit2591+17−1750.5%−4.435.1%1123
49.6%
102‑103Pseudo 0.7c2591+14−1350.5%−3.937.4%1846
58.6%
104‑105Amyan 1.722589+13−1350.9%−6.431.0%2081
48.9%
104‑105CuckooChess 1.12 32-bit2589+27−2747.8%+16.030.4%481
68.6%
106GreKo 12.1 64-bit2578+33−3253.0%−21.731.3%316
56.5%
107‑108Capivara LK 0.09b02f 64-bit2575+29−2952.6%−18.132.8%384
49.1%
107‑108GarboChess 3.0 64-bit2575+20−2050.8%−3.830.9%868
69.4%
109‑110Brutus 8.05 64-bit2566+33−3346.2%+23.134.8%299
50.3%
109‑110Jellyfish 1.02566+26−2650.7%−7.037.6%492
61.5%
111DanaSah 5.072561+19−1950.2%−2.438.1%893
52.4%
112Francesca MAD 0.192560+17−1747.1%+20.433.0%1185
51.8%
113‑114Arminius 2013-08-10 64-bit2559+31−3247.3%+19.627.0%352
50.4%
113‑114SOS 5.12559+14−1447.8%+13.134.1%1790
62.8%
115Anaconda 2.0.12554+27−2747.9%+12.235.2%458
77.3%
116Cheese 1.6.1 64-bit2541+23−2347.0%+19.236.7%643
51.6%
117‑118AnMon 5.662540+23−2350.3%−2.231.0%658
49.1%
117‑118Ufim 8.022540+13−1349.3%+3.231.1%2041
72.5%
119nanoSzachy 4.0 64-bit2532+21−2148.1%+13.231.7%773
53.1%
120Phalanx XXIV2531+33−3351.9%−16.827.8%316
78.8%
121Hermann 2.8 64-bit2515+21−2148.4%+11.226.9%813
58.6%
122Nimzo 82511+27−2845.5%+33.232.2%453
60.8%
123Little Goliath Evolution 3.122506+18−1846.5%+23.933.5%1015
67.5%
124Tao 5.62500+17−1749.6%+3.627.1%1194
55.1%
125Delphil 3.2 64-bit2498+31−3151.6%−10.633.8%343
51.4%
126LittleThought 1.052 64-bit2497+20−2049.3%+4.424.7%863
73.5%
127Pupsi2 0.092488+22−2249.3%+4.830.0%736
54.6%
128Ghost 2.0.2 64-bit2486+33−3352.0%−15.328.4%328
52.3%
129Yace 0.99.872484+19−1950.0%+0.928.1%1007
52.0%
130JikChess 0.01 64-bit2483+33−3350.0%−3.126.3%320
51.9%
131‑132Pepito 1.59 64-bit2482+27−2749.7%−1.036.7%450
50.0%
131‑132Xpdnt 0910072482+16−1649.3%+4.832.0%1355
55.8%
133Matacz 1.32480+29−2947.4%+17.633.0%382
51.2%
134SpiderChess 0706032479+23−2350.1%+2.539.6%604
53.8%
135‑137Anatoli 0.35k2478+17−1750.4%−4.231.9%1254
50.7%
135‑137BBChess 1.3b2478+25−2551.0%−6.838.1%525
48.6%
135‑137Cerebro 3.03d2478+19−1949.7%+0.330.0%1000
55.7%
138Trace 1.362476+21−2148.8%+8.526.5%765
51.0%
139‑140Green Light Chess 3.01.2.22475+38−3945.3%+31.932.9%225
50.4%
139‑140Quark 2.352475+21−2049.0%+6.329.5%821
61.5%
141Bruja 1.9.1 64-bit2471+22−2248.7%+9.026.1%712
59.0%
142Counter 1.22467+17−1748.3%+12.238.2%1119
87.1%
143Dorky 4.3 64-bit2447+30−3049.7%+0.830.4%362
56.3%
144Eeyore 1.52 64-bit2444+22−2249.5%+2.127.0%716
60.1%
145Hussar 0.42440+19−1948.3%+11.728.8%1006
56.5%
146Typhoon 1.00-3482437+37−3748.4%+11.127.8%255
54.6%
147Snitch 1.6.2 64-bit2434+35−3546.1%+26.827.5%284
51.9%
148Abrok 5.02433+27−2749.1%+5.628.8%466
55.8%
149PostModernist 10162430+24−2448.0%+12.428.7%579
59.2%
150Homer 2.012426+20−2049.1%+5.832.6%803
55.4%
151Gaia 3.5 64-bit2423+40−3951.5%−14.126.2%237
54.1%
152Betsabe II 1.472421+28−2848.3%+14.925.9%464
60.0%
153Ares 1.005 64-bit2416+26−2647.8%+15.133.5%522
54.4%
154Muse 0.899b2414+22−2247.6%+17.927.0%730
51.3%
155‑156K2 0.712413+33−3252.6%−17.427.5%324
49.5%
155‑156KnightDreamer 3.32413+37−3748.8%+10.832.5%243
56.1%
157Kiwi 0.6d 32-bit2410+20−2046.4%+23.327.1%861
60.6%
158‑159Diablo 0.5.12406+19−1949.5%+4.231.6%924
50.8%
158‑159Queen 4.032406+20−2048.9%+5.734.5%860
55.8%
160Dragon 4.62404+19−1946.2%+25.734.3%890
54.6%
161RomiChess P3k 32-bit2402+19−1949.2%+5.733.0%906
52.1%
162Shallow r688 64-bit2401+21−2150.1%−2.430.0%764
61.7%
163Comet B682397+24−2447.2%+19.025.5%644
50.5%
164Amy 0.87b2396+26−2649.9%+4.125.7%521
55.2%
165Simplex 0.9.8 32-bit2394+31−3149.3%+3.131.3%351
55.1%
166pikoSzachy 3.42391+35−3548.6%+9.924.1%295
50.5%
167Patzer 3.802390+26−2649.5%+4.725.5%514
52.1%
168Waxman 20142389+30−3049.5%+3.430.4%385
51.8%
169Tigran 2.4n 64-bit2388+23−2349.2%+5.830.7%654
53.8%
170Ifrit m1.8 64-bit2387+24−2448.6%+12.128.7%621
56.7%
171Gosu 0.162384+21−2147.6%+17.126.7%794
53.5%
172Sorgenkind 0.42383+15−1551.7%−10.928.3%1551
52.0%
173‑174Amateur 2.822382+21−2147.0%+21.525.0%787
49.6%
173‑174Horizon 4.42382+18−1849.2%+4.826.3%1103
58.5%
175Sage 3.532380+18−1850.0%+0.127.9%1063
51.3%
176Alex 2.14a 64-bit2379+22−2250.9%−4.628.7%701
55.1%
177Jazz 721 64-bit2377+22−2249.5%+2.827.6%729
54.9%
178Thor's Hammer 2.28 32-bit2375+28−2849.5%+4.129.1%440
58.4%
179OliThink 5.3.2 64-bit2371+22−2249.4%+5.925.5%705
63.3%
180TJchess 1.012365+24−2450.9%−7.025.1%633
54.6%
181Tytan 9.32363+24−2450.7%−5.125.9%633
53.0%
182Carballo 1.1.12362+34−3446.9%+24.025.8%306
55.3%
183CyberPagno 2.2 64-bit2358+33−3358.0%−57.524.4%332
55.1%
184Myrddin 0.87 64-bit2355+35−3549.1%+5.828.4%275
61.8%
185Plisk 0.2.7d 32-bit2349+22−2250.9%−8.125.3%719
53.9%
186Flux 2.2.12347+23−2350.2%−0.430.6%663
60.4%
187Arion 1.72343+21−2151.9%−15.027.6%836
56.5%
188Donna 1.0 64-bit2340+35−3643.8%+45.227.3%282
53.8%
189WChess 1.062337+32−3347.3%+16.433.0%315
62.0%
190Maverick 0.51 64-bit2331+23−2252.9%−20.624.4%712
57.3%
191‑192Aice 0.99.22328+21−2147.2%+20.226.3%787
49.0%
191‑192Amundsen 0.802328+20−2047.5%+18.529.9%825
54.0%
193EveAnn 1.712326+34−3547.5%+18.232.9%280
51.7%
194Asterisk 0.62325+21−2048.9%+7.527.2%837
63.1%
195Nemeton 1.12318+35−3544.7%+36.131.8%274
52.8%
196‑197Bagatur 1.3a 64-bit2317+20−2052.9%−23.127.7%889
49.2%
196‑197KnightX 1.922317+23−2349.7%+1.527.6%641
52.3%
198‑199Averno 0.812316+24−2449.2%+5.127.5%586
50.9%
198‑199Butcher 1.61 64-bit2316+34−3444.7%+40.824.9%301
52.7%
200Gibbon 2.60a 64-bit2314+26−2648.2%+11.629.4%517
61.6%
201‑202ECE 12.012309+22−2248.5%+9.824.6%752
50.2%
201‑202Sungorus 1.4 64-bit2309+31−3147.8%+15.624.1%378
51.1%
203Mediocre 0.42308+34−3450.8%−6.624.3%305
54.1%
204Popochin 2.92306+31−3147.4%+22.230.4%372
58.5%
205Zeus 1.272301+32−3251.4%−15.424.3%362
51.8%
206Natwarlal 0.142300+21−2148.4%+12.024.2%827
61.7%
207‑209Ant 2006-F2295+24−2548.5%+8.923.8%617
50.0%
207‑209Chezzz 1.0.32295+24−2449.8%−0.425.6%617
50.7%
207‑209Joker 1.1.142295+22−2250.6%−5.027.8%730
69.0%
210Anechka 0.082287+20−2046.6%+26.626.2%920
53.5%
211Matilde 2008 64-bit2286+36−3649.4%+4.027.1%262
56.8%
212Chaturanga 2.4.32282+25−2550.3%−2.827.1%569
50.9%
213AliChess 4.252281+23−2349.9%−0.624.4%679
61.1%
214FireFly 2.7.0 64-bit2277+23−2349.8%−0.530.4%626
69.8%
215Orion 0.2 64-bit2268+24−2448.2%+12.327.4%588
68.5%
216Chispa 4.0.32260+21−2149.4%+3.827.5%800
58.9%
217Fischerle 0.9.60 64-bit2255+31−3146.6%+26.722.0%377
68.0%
218RattateChess 1.0 Nosferatu2246+22−2349.2%+7.828.2%692
51.3%
219Protej 0.5.8c2245+29−2946.0%+30.022.7%436
52.6%
220Lozza 1.14a 64-bit2244+33−3344.2%+42.827.4%318
53.9%
221‑222Ayito 0.2.9942242+24−2448.3%+10.522.6%624
49.5%
221‑222Beowulf 2.4a 64-bit2242+22−2252.4%−18.824.8%745
52.0%
223MadChess 1.4 64-bit2241+22−2347.7%+16.328.3%681
55.5%
224Mango Paola Ajedrez 4.12239+23−2347.0%+21.626.3%658
52.8%
225Absolute Zero 2.4.0.0 64-bit2238+25−2549.2%+5.324.3%589
64.6%
226‑227Atak 6.82232+20−2047.3%+18.822.8%883
48.6%
226‑227Buzz 0.08 64-bit2232+37−3748.6%+9.923.8%256
52.9%
228Exacto 0.e 64-bit2231+23−2348.2%+12.933.4%623
51.5%
229Feuerstein 0.4.6.12230+19−1949.1%+6.028.5%939
67.2%
230Dolphin 1.02223+22−2250.3%−4.625.1%724
58.1%
231KMTChess 1.2.1 64-bit2220+26−2649.5%+2.723.4%548
51.0%
232ChessAlex 2.0r42219+24−2449.1%+3.429.7%607
57.6%
233Bearded N44.22215+36−3651.1%−7.325.4%268
57.1%
234Uralochka 1.1b2211+20−2049.6%+2.926.1%889
54.3%
235ChessKISS 1.7 64-bit2210+22−2249.5%−0.629.7%745
58.4%
236Adam 3.32206+21−2250.5%−4.122.2%807
61.4%
237ZCT 0.3.24512201+27−2749.4%+3.925.5%478
57.9%
238Neurosis 2.52198+17−1749.1%+6.528.6%1218
66.9%
239BlackBishop 1.02192+18−1948.9%+8.527.3%1034
57.7%
240Latista (Sinobyl) 1.52189+28−2949.1%+3.025.2%441
53.5%
241‑242Alf 1.092187+24−2449.3%+2.130.9%618
51.1%
241‑242NG-Play 9.85 64-bit2187+34−3449.2%+5.828.5%298
57.2%
243‑244OBender 3.2.4.22183+20−2049.9%+1.725.4%899
50.1%
243‑244ProChess 1.02AD2183+21−2148.8%+3.723.4%819
66.4%
245‑246Chesley r323 64-bit2173+38−3847.8%+17.624.0%246
51.2%
245‑246Kurt 0.9.2.2 64-bit2173+25−2549.4%+4.223.1%589
64.3%
247NagaSkaki 5.122167+20−2050.4%−3.928.1%912
63.5%
248Lime 662162+23−2350.2%−3.421.1%729
90.2%
249KnockOut 0.7.12143+16−1651.8%−12.726.7%1416
86.2%
250Parrot 07.07.222129+21−2149.1%+6.723.1%815
51.7%
251BikJump 2.01 64-bit2128+38−3846.0%+26.629.6%240
51.1%
252Prophet 2.0 32-bit2127+19−1949.3%+4.923.9%1019
69.6%
253Napoleon 1.5.0 64-bit2118+27−2746.6%+25.325.1%479
75.9%
254Clarabit 1.00 32-bit2105+22−2247.6%+14.729.9%736
99.9%
255BigLion 2.23x2058+20−2046.3%+27.026.8%937
51.5%
256Soldat III 0.178 64-bit2057+32−3248.2%+13.524.6%354
60.3%
257Ecce 1.0 (rev. 508) 64-bit2051+32−3247.7%+20.220.1%353
73.2%
258Jabba 1.0 32-bit2038+24−2446.6%+25.026.9%603
52.3%
259PLP 16615712037+24−2445.9%+29.623.9%640
64.9%
260Matheus 2.32030+25−2545.1%+37.922.7%599
54.8%
261Mustang 4.972028+27−2743.9%+41.030.8%484
62.0%
262Monarch 1.72023+22−2245.9%+39.319.5%858
55.8%
263Bubble 1.52021+22−2244.5%+41.021.4%803
53.8%
264Slibo 0.5.12019+26−2645.5%+33.519.4%573
71.9%
265ChessMind 0.822008+25−2546.5%+26.017.0%600
59.1%
266Cupcake 1.1a2003+30−3045.8%+35.115.5%444
67.4%
267BibiChess 0.51994+25−2646.8%+23.425.6%555
58.8%
268BSC 3.91989+37−3745.1%+38.324.0%263
56.2%
269Schola 1.1.0 32-bit1986+27−2745.7%+31.326.0%480
74.9%
270‑272Dabbaba 5.671969+39−3942.9%+52.621.4%248
50.4%
270‑272Heracles 0.6.161969+24−2445.5%+32.627.8%608
50.5%
270‑272Zeta Dva 0220 64-bit1969+36−3644.0%+48.516.9%301
54.9%
273Marvin 1.3.01966+25−2544.6%+39.621.9%606
51.2%
274Rival 1.181965+24−2446.8%+21.726.6%606
59.7%
275AdroitChess 0.31960+33−3343.2%+55.919.1%351
61.0%
276Monik 2.2.3 32-bit1954+31−3145.6%+30.427.1%365
73.6%
277Smash 1.0.31941+26−2640.8%+73.817.8%574
63.7%
278MatMoi 7.15.0-cct 32-bit1934+25−2542.7%+55.124.5%568
53.2%
279Micro-Max 4.8 (DM-PII)1932+26−2648.6%+11.725.1%541
84.5%
280Reger 0.091913+25−2541.0%+67.721.6%606
70.0%
281Clueless 1.41904+23−2340.4%+76.617.2%762
60.4%
282Warrior 1.0.31900+24−2444.5%+40.923.6%606
62.3%
283GChess IV 0.2.01894+26−2640.6%+69.928.3%515
69.4%
284Surprise 4.3b131884+29−3038.9%+87.519.1%446
89.4%
285Predateur 2.2 64-bit1852+41−4239.6%+79.418.1%216
67.4%
286BeRoChess 1.00 32-bit1839+37−3837.4%+97.922.9%266
96.7%
287Ziggurat 0.18 64-bit1788+41−4329.3%+160.724.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Stockfish 6 64-bit 4CPU3312 53 − 39
+20−6=66
+29
70 − 34
+39−3=62
+56
64 − 38
+31−5=66
−28
18.5 − 13.5
+8−3=21
−63
23 − 9
+14−0=18
+3
36.5 − 13.5
+23−0=27
−4
25 − 7
+19−1=12
+36
39 − 11
+28−0=22
+20
35 − 15
+22−2=26
−51
 37.5 − 12.5
+26−1=23
−32
2Komodo 8 64-bit 4CPU330239 − 53
+6−20=66
−29
 59 − 45
+32−18=54
+8
24.5 − 10.5
+16−2=17
+35
35 − 15
+21−1=28
+16
33 − 17
+17−1=32
−27
43 − 17
+27−1=32
−1
35 − 15
+20−0=30
−28
37 − 11
+27−1=20
+30
40.5 − 11.5
+30−1=21
+20
  
3Houdini 4 64-bit 4CPU327134 − 70
+3−39=62
−56
45 − 59
+18−32=54
−8
 28.5 − 21.5
+16−9=25
−15
20 − 14
+13−7=14
−9
21 − 11
+11−1=20
+3
44.5 − 16.5
+30−2=29
+44
23 − 11
+16−4=14
+3
25.5 − 7.5
+19−1=13
+67
34 − 13
+23−2=22
+7
  
4Fire 4 64-bit 4CPU321638 − 64
+5−31=66
+28
10.5 − 24.5
+2−16=17
−35
21.5 − 28.5
+9−16=25
+15
 16 − 16
+4−4=24
−9
 37 − 23
+19−5=36
+24
  19 − 13
+11−5=16
−17
15 − 9
+7−1=16
−26
3 − 1
+2−0=2
+49
5Gull 2.8b 64-bit 4CPU320513.5 − 18.5
+3−8=21
+63
15 − 35
+1−21=28
−16
14 − 20
+7−13=14
+9
16 − 16
+4−4=24
+9
  18.5 − 15.5
+9−6=19
−4
 1 − 1
+0−0=2
−48
21.5 − 12.5
+13−4=17
+14
  
6Equinox 3.20 64-bit 4CPU31889 − 23
+0−14=18
−3
17 − 33
+1−17=32
+27
11 − 21
+1−11=20
−3
   15 − 17
+3−5=24
−26
 17 − 15
+4−2=26
−14
20.5 − 11.5
+10−1=21
+30
  
7Critter 1.6a 64-bit 4CPU317513.5 − 36.5
+0−23=27
+4
17 − 43
+1−27=32
+1
16.5 − 44.5
+2−30=29
−44
23 − 37
+5−19=36
−24
15.5 − 18.5
+6−9=19
+4
17 − 15
+5−3=24
+26
 24.5 − 25.5
+9−10=31
−19
17 − 15
+5−3=24
−2
21 − 13
+9−1=24
+29
  
8Rybka 4 64-bit 4CPU31617 − 25
+1−19=12
−36
15 − 35
+0−20=30
+28
11 − 23
+4−16=14
−3
   25.5 − 24.5
+10−9=31
+19
 15.5 − 14.5
+5−4=21
+5
18 − 14
+11−7=14
+19
  
9Bouquet 1.8 64-bit 4CPU315711 − 39
+0−28=22
−20
11 − 37
+1−27=20
−30
7.5 − 25.5
+1−19=13
−67
 1 − 1
+0−0=2
+48
15 − 17
+2−4=26
+14
15 − 17
+3−5=24
+2
14.5 − 15.5
+4−5=21
−5
 1 − 1
+0−0=2
−15
  
10BlackMamba 2.0 64-bit 4CPU314215 − 35
+2−22=26
+51
11.5 − 40.5
+1−30=21
−20
13 − 34
+2−23=22
−7
13 − 19
+5−11=16
+17
12.5 − 21.5
+4−13=17
−14
11.5 − 20.5
+1−10=21
−30
13 − 21
+1−9=24
−29
14 − 18
+7−11=14
−19
1 − 1
+0−0=2
+15
 10 − 10
+4−4=12
−19
10 − 10
+4−4=12
−19
11Hannibal 1.5 64-bit 4CPU3123   9 − 15
+1−7=16
+26
     10 − 10
+4−4=12
+19
 6 − 4
+5−3=2
+74
12Texel 1.05 64-bit 4CPU312312.5 − 37.5
+1−26=23
+32
  1 − 3
+0−2=2
−49
     10 − 10
+4−4=12
+19
4 − 6
+3−5=2
−74
 
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
1Stockfish 6 64-bit 4CPU3312 81.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Komodo 8 64-bit 4CPU330218.9 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 4 64-bit 4CPU32710.00.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Fire 4 64-bit 4CPU32160.00.00.0 74.395.299.9100.0100.0100.0100.0100.0
5Gull 2.8b 64-bit 4CPU32050.00.00.025.7 86.299.3100.0100.0100.0100.0100.0
6Equinox 3.20 64-bit 4CPU31880.00.00.04.813.8 84.297.698.799.999.9100.0
7Critter 1.6a 64-bit 4CPU31750.00.00.00.10.615.8 96.197.499.999.999.9
8Rybka 4 64-bit 4CPU31610.00.00.00.00.02.43.9 63.994.698.498.8
9Bouquet 1.8 64-bit 4CPU31570.00.00.00.00.01.32.636.1 89.197.097.7
10BlackMamba 2.0 64-bit 4CPU31420.00.00.00.00.00.10.15.410.9 84.786.3
11Hannibal 1.5 64-bit 4CPU31230.00.00.00.00.00.10.11.62.915.3 51.0
12Texel 1.05 64-bit 4CPU31230.00.00.00.00.00.00.11.22.313.749.0 
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

572'091 games (109.55 MB)

All games with comments

572'091 games (342.90 MB)

Selection of games

(Please don't use aggressive download managers)

Various statistics


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