CCRL 40/40
Downloads and Statistics
April 18, 2015
Testing summary:
Total: 575'705 games
played by 1'606 programs
79408 CPU days (X2 4600+)

White wins: 201'509 (35.0%)
Black wins: 149'336 (25.9%)
Draws: 224'860 (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 April 18, 2015 with Bayeselo based on 575'705 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 4CPU3310+18−1870.5%−125.952.9%978 
79.1%
2Komodo 8 64-bit 4CPU3301+16−1669.8%−126.949.0%1298
99.9%
3Houdini 4 64-bit 4CPU3270+14−1462.7%−81.249.1%1640
100.0%
4Fire 4 64-bit 4CPU3212+21−2050.4%−1.864.0%653
69.8%
5Gull 2.8b 64-bit 4CPU3205+22−2254.2%−29.253.6%606
87.4%
6Equinox 3.20 64-bit 4CPU3187+22−2250.0%−1.067.0%569
84.3%
7Critter 1.6a 64-bit 4CPU3174+10−1053.5%−21.958.4%3156
96.0%
8Rybka 4 64-bit 4CPU3160+12−1255.7%−38.149.9%2113
63.7%
9Bouquet 1.8 64-bit 4CPU3157+15−1547.6%+15.159.4%1265
90.6%
10BlackMamba 2.0 64-bit 4CPU3141+18−1943.5%+38.857.0%854
79.2%
11Hannibal 1.5 64-bit 4CPU3126+30−3053.2%−18.856.6%325
57.7%
12Texel 1.05 64-bit 4CPU3122+28−2848.5%+11.352.3%375
67.9%
13Strelka 5.5 64-bit3115+9−954.9%−29.557.0%3639
83.3%
14Naum 4.6 64-bit 4CPU3104+18−1844.5%+34.554.5%973
70.6%
15Chiron 2 64-bit 4CPU3098+16−1640.6%+60.946.2%1278
75.3%
16Protector 1.7.0 64-bit 4CPU3089+20−2043.4%+41.550.4%784
56.0%
17Deep Fritz 14 64-bit 4CPU3087+17−1741.2%+55.555.9%1053
75.8%
18NirvanaChess 2.0a 64-bit 4CPU3075+30−3044.7%+35.750.1%337
63.7%
19Hiarcs 14 4CPU3069+14−1441.4%+52.751.2%1504
99.4%
20Deep Junior 13 64-bit 4CPU3040+17−1742.3%+48.249.7%1082
59.1%
21Senpai 1.0 64-bit 4CPU3037+24−2445.6%+24.853.8%487
62.1%
22Spike 1.4 Leiden 4CPU3033+12−1243.5%+39.647.0%2338
59.9%
23Deep Shredder 12 64-bit 4CPU3031+11−1148.4%+9.646.0%2600
95.4%
24Cheng4 0.38 64-bit 4CPU3002+30−3048.2%+7.842.4%340
90.3%
25Zappa Mexico II 64-bit 4CPU2980+10−1048.7%+6.848.1%3198
54.8%
26Spark 1.0 64-bit 4CPU2979+16−1643.0%+45.146.1%1283
68.8%
27Fizbo 1.31 64-bit 4CPU2970+32−3252.1%−13.541.1%304
61.9%
28Andscacs 0.72 64-bit2963+29−2954.6%−29.247.6%357
56.7%
29Arasan 17.5 64-bit 4CPU2959+35−3454.5%−29.244.1%256
59.3%
30Gaviota 1.0 64-bit 4CPU2953+28−2948.1%+11.945.9%370
67.0%
31Onno 1.2.70 64-bit 4CPU2945+22−2248.4%+11.346.2%621
53.8%
32Deep Sjeng c't 20102944+11−1145.3%+29.945.7%2847
62.6%
33Thinker 5.4d Inert 64-bit 4CPU2939+25−2549.0%+6.351.1%460
55.1%
34Toga II 3.0 4CPU2937+30−3048.2%+12.247.6%336
80.6%
35SmarThink 1.70 64-bit2920+21−2149.4%+5.041.1%705
55.3%
36Crafty 23.8 64-bit 4CPU2917+34−3447.8%+15.247.0%251
56.0%
37DiscoCheck 5.2 64-bit2914+20−2050.6%−5.044.0%748
55.7%
38Quazar 0.4 64-bit2912+13−1349.8%+1.843.2%1867
52.9%
39Tornado 6.0 64-bit 4CPU2911+31−3143.8%+40.241.4%321
61.2%
40MinkoChess 1.3 64-bit 4CPU2905+25−2548.5%+8.145.0%489
55.4%
41‑42Booot 5.2.0 64-bit2903+16−1649.0%+8.043.0%1289
50.8%
41‑42Bright 0.4a 4CPU2903+15−1549.4%+4.540.5%1475
58.1%
43Deuterium 14.3.34.130 64-bit2900+20−2050.5%−3.446.1%726
61.3%
44Scorpio 2.7.6 64-bit 4CPU2894+30−3048.5%+9.444.2%344
59.4%
45iCE 2.0 64-bit2890+21−2152.0%−15.340.7%739
66.3%
46Vajolet2 1.44 64-bit2882+31−3152.5%−17.546.1%323
53.4%
47EXchess 7.18b 64-bit 4CPU2880+35−3546.7%+19.637.9%256
87.3%
48Nemo 1.0.1 64-bit2856+15−1549.5%+1.943.0%1387
54.1%
49Loop M1-T 64-bit 4CPU2855+12−1143.2%+43.245.2%2447
59.0%
50Rodent 1.7 64-bit2851+30−2954.4%−28.945.0%351
57.0%
51Octochess r5190 64-bit 4CPU2847+30−3044.9%+30.942.9%354
63.6%
52DisasterArea 1.54 64-bit2840+26−2649.0%+7.441.6%447
59.1%
53BugChess2 1.9 64-bit 4CPU2835+31−3145.5%+26.138.1%352
59.8%
54‑55Murka 3 64-bit2830+16−1650.0%−0.142.2%1210
51.1%
54‑55Pedone 1.1 64-bit 4CPU2830+38−3766.2%−113.434.8%244
51.7%
56Jonny 4.00 4CPU2828+31−3243.9%+35.134.7%343
52.0%
57Atlas 3.80 64-bit2827+30−3051.0%−6.344.7%349
67.8%
58GNU Chess 5.60 64-bit2818+26−2650.1%−5.240.3%457
98.8%
59Frenzee 3.5.19 64-bit2781+18−1849.9%+1.634.4%1070
65.7%
60Naraku 1.42776+20−2049.7%+1.524.2%950
62.0%
61Dirty 20Apr2013 64-bit2772+16−1648.6%+9.237.4%1253
67.3%
62Rhetoric 1.4.1 64-bit2766+22−2251.8%−12.138.2%655
52.1%
63Twisted Logic 20100131x 64-bit2765+21−2151.5%−12.734.7%784
59.8%
64‑65Alfil 13.1 64-bit 4CPU2759+38−3941.6%+47.135.4%226
51.1%
64‑65Bison 9.11 64-bit2759+20−2049.3%+3.534.5%831
63.9%
66Ktulu 92754+13−1345.9%+26.638.7%1906
84.1%
67Chronos 1.9.9 64-bit2744+15−1550.2%−0.938.5%1422
88.1%
68Godel 3.4.9 64-bit2730+18−1849.9%+0.535.4%1052
59.3%
69Delfi 5.4 2CPU2727+19−1940.4%+66.935.7%1017
53.5%
70Bobcat 3.25 64-bit2726+17−1749.2%+4.939.2%1150
58.7%
71Chessmaster 11 2CPU2721+35−3547.5%+16.239.4%259
65.4%
72Hakkapeliitta 2.0 64-bit2712+28−2843.8%+41.033.7%424
71.1%
73‑74Chess Tiger 2007.12704+10−1045.3%+30.342.5%3273
48.4%
73‑74ProDeo 1.862704+30−3049.0%+4.636.9%360
93.9%
75Daydreamer 1.75 64-bit2677+18−1847.3%+18.140.6%1031
57.7%
76Tucano 5.00 64-bit2674+23−2348.4%+7.841.0%602
69.0%
77Movei 00.8.438 (10 10 10)2667+12−1247.2%+16.337.7%2646
53.0%
78RedQueen 1.1.3 64-bit2666+31−3146.7%+20.531.1%350
62.7%
79Alaric 7072660+12−1249.1%+6.334.4%2596
60.7%
80Pawny 1.0 64-bit2657+17−1748.5%+9.237.9%1112
59.7%
81The Baron 2.23 64-bit2654+23−2350.1%−2.333.4%605
55.8%
82Pharaon 3.5.1 4CPU2651+33−3433.1%+110.436.7%311
52.0%
83‑84Cyrano 0.6b17 64-bit2650+28−2848.9%+6.035.8%416
48.2%
83‑84Djinn 1.010 64-bit2650+30−3049.7%+4.434.2%365
52.7%
85Philou 3.7.1 64-bit2649+16−1649.7%+1.736.4%1279
55.1%
86E.T. Chess 13.01.082648+14−1449.2%+4.637.0%1730
74.7%
87Colossus 2008b2642+13−1348.7%+8.238.0%2068
64.6%
88Slow Chess Blitz WV2.12638+12−1148.2%+12.636.9%2515
57.9%
89Sjakk 2.2 64-bit2636+26−2652.3%−17.741.2%469
66.8%
90‑91Gandalf 62629+11−1246.2%+25.935.7%2628
50.7%
90‑91Rotor 0.7a2629+26−2650.1%−2.233.3%490
51.7%
92WildCat 82628+14−1449.0%+5.935.2%1806
56.6%
93Hamsters 0.72626+27−2749.6%+2.438.5%421
51.2%
94Ruffian 2.1.02625+14−1446.9%+22.137.3%1787
79.9%
95Nebula 2.0 64-bit2615+18−1850.2%−1.033.3%1014
64.0%
96Sloppy 0.2.2 64-bit2610+21−2149.6%+2.630.8%754
76.3%
97Rodin 7.02599+22−2348.9%+7.433.0%660
54.3%
98‑99Aristarch 4.502597+12−1247.5%+18.232.0%2367
51.3%
98‑99NoraGrace 2.0 64-bit2597+32−3258.2%−60.424.2%360
55.4%
100Petir 4.392594+23−2249.4%+1.737.3%638
51.9%
101Glass 2.0 64-bit2593+18−1849.9%+1.635.3%1040
61.1%
102‑103N2 0.4 64-bit2590+17−1750.5%−4.135.1%1123
50.9%
102‑103Pseudo 0.7c2590+14−1450.4%−3.437.4%1851
57.1%
104‑105Amyan 1.722588+13−1350.9%−6.231.0%2081
49.0%
104‑105CuckooChess 1.12 32-bit2588+27−2747.8%+16.230.4%481
65.8%
106GreKo 12.1 64-bit2580+32−3252.7%−21.332.3%328
59.7%
107GarboChess 3.0 64-bit2575+20−2050.8%−4.330.9%868
54.3%
108Capivara LK 0.09b02f 64-bit2573+28−2850.7%−5.033.2%425
62.5%
109Jellyfish 1.02567+25−2550.7%−6.537.6%505
53.6%
110Brutus 8.05 64-bit2565+33−3346.2%+23.434.8%299
60.2%
111‑114Arminius 2013-08-10 64-bit2559+31−3147.3%+19.427.0%352
50.1%
111‑114DanaSah 5.072559+19−1949.7%+0.637.8%908
48.4%
111‑114Francesca MAD 0.192559+17−1747.1%+20.733.0%1185
51.4%
111‑114SOS 5.12559+14−1447.9%+12.534.2%1795
64.6%
115Anaconda 2.0.12553+27−2747.9%+12.335.2%458
75.6%
116Cheese 1.6.1 64-bit2541+22−2347.0%+19.436.7%643
53.6%
117‑118AnMon 5.662539+23−2350.3%−2.031.0%658
49.4%
117‑118Ufim 8.022539+13−1349.3%+3.631.0%2046
66.4%
119‑120Phalanx XXIV2532+33−3351.8%−16.627.4%325
49.2%
119‑120nanoSzachy 4.0 64-bit2532+21−2148.1%+12.731.7%773
88.4%
121Hermann 2.8 64-bit2514+21−2148.4%+11.726.9%813
59.1%
122Nimzo 82510+28−2845.5%+33.532.2%453
61.0%
123Little Goliath Evolution 3.122505+18−1846.5%+24.233.5%1015
67.1%
124Tao 5.62500+17−1749.6%+3.027.1%1194
55.9%
125‑126Delphil 3.2 64-bit2497+31−3151.1%−7.233.0%355
50.4%
125‑126LittleThought 1.052 64-bit2497+20−2049.3%+3.824.7%863
71.5%
127Pupsi2 0.092488+21−2149.5%+3.029.5%753
53.2%
128Ghost 2.0.2 64-bit2487+32−3252.2%−16.428.6%343
56.1%
129Yace 0.99.872484+19−1950.0%+0.428.1%1007
54.4%
130‑131JikChess 0.01 64-bit2482+32−3250.1%−5.025.5%337
49.9%
130‑131Xpdnt 0910072482+16−1649.3%+4.132.0%1355
53.1%
132Pepito 1.59 64-bit2480+27−2749.6%−0.336.2%461
52.6%
133‑134Matacz 1.32479+29−2947.4%+18.133.0%382
51.1%
133‑134SpiderChess 0706032479+23−2350.1%+2.039.6%604
52.9%
135Cerebro 3.03d2478+19−1949.7%−0.330.0%1000
51.1%
136‑137Anatoli 0.35k2477+17−1750.4%−3.831.9%1254
50.6%
136‑137BBChess 1.3b2477+25−2551.0%−6.338.1%525
53.6%
138‑140Green Light Chess 3.01.2.22475+38−3945.3%+31.332.9%225
50.7%
138‑140Quark 2.352475+21−2149.0%+5.629.5%821
47.6%
138‑140Trace 1.362475+21−2248.8%+8.826.5%765
61.2%
141Bruja 1.9.1 64-bit2471+22−2248.9%+8.225.9%723
61.8%
142Counter 1.22467+17−1748.3%+11.438.2%1119
86.8%
143Dorky 4.3 64-bit2446+30−3049.7%+1.330.4%362
55.8%
144Eeyore 1.52 64-bit2444+22−2249.5%+1.827.0%716
60.6%
145Hussar 0.42440+19−1948.4%+10.829.1%1017
56.7%
146‑147Carballo 1.22436+38−3859.0%−61.729.0%245
50.2%
146‑147Typhoon 1.00-3482436+37−3748.4%+11.527.8%255
55.1%
148Snitch 1.6.2 64-bit2433+34−3447.1%+19.626.9%312
53.8%
149Abrok 5.02431+27−2748.9%+6.929.0%476
53.0%
150Gaia 3.5 64-bit2429+38−3852.2%−20.125.8%252
50.9%
151PostModernist 10162428+24−2447.9%+13.828.4%585
52.8%
152Betsabe II 1.472427+27−2749.7%+4.425.7%502
53.0%
153Homer 2.012426+20−2049.1%+5.232.6%803
74.0%
154Ares 1.005 64-bit2415+25−2548.2%+12.833.9%554
52.1%
155KnightDreamer 3.32414+37−3748.8%+10.132.5%243
51.0%
156Muse 0.899b2413+22−2247.6%+18.327.0%730
59.4%
157Kiwi 0.6d 32-bit2410+20−2046.4%+22.727.1%861
50.4%
158K2 0.712409+32−3252.1%−13.427.9%341
57.5%
159Diablo 0.5.12406+19−1949.5%+3.731.6%924
51.1%
160Queen 4.032405+20−2048.9%+6.134.5%860
55.7%
161Dragon 4.62403+19−1946.2%+26.134.3%890
54.8%
162RomiChess P3k 32-bit2402+19−1949.2%+5.033.0%906
52.4%
163Shallow r688 64-bit2401+21−2150.1%−3.230.0%770
58.5%
164Amy 0.87b2397+26−2650.0%+2.925.6%527
52.2%
165Comet B682396+24−2447.2%+19.425.5%644
54.9%
166Simplex 0.9.8 64-bit2394+27−2751.5%−12.221.1%517
58.7%
167‑168Patzer 3.802390+26−2649.5%+3.925.5%514
49.1%
167‑168pikoSzachy 3.42390+34−3548.6%+10.224.1%295
57.9%
169‑170Ifrit m1.8 64-bit2386+23−2348.8%+11.329.2%661
49.6%
169‑170Tigran 2.4n 64-bit2386+23−2348.9%+6.830.9%660
51.3%
171Waxman 20142385+28−2949.3%+5.030.8%416
54.3%
172Gosu 0.162383+21−2147.6%+17.526.7%794
54.6%
173‑176Amateur 2.822382+21−2147.0%+21.025.0%787
49.8%
173‑176Horizon 4.42382+18−1849.2%+4.126.3%1103
49.3%
173‑176Maverick 0.60 64-bit2382+34−3449.8%+1.528.6%290
49.7%
173‑176Sorgenkind 0.42382+15−1551.7%−10.628.3%1551
60.8%
177Sage 3.532379+18−1850.0%+0.527.9%1063
52.2%
178Alex 2.14a 64-bit2378+22−2250.8%−4.128.7%705
54.5%
179Jazz 721 64-bit2376+22−2249.5%+3.027.6%729
53.3%
180Thor's Hammer 2.28 32-bit2375+28−2849.6%+4.228.7%446
55.4%
181OliThink 5.3.2 64-bit2372+22−2249.6%+4.825.5%717
63.8%
182TJchess 1.1 32-bit2365+36−3647.4%+21.427.5%265
53.8%
183Tytan 9.32363+24−2450.7%−5.725.9%633
67.8%
184Myrddin 0.87 64-bit2353+32−3248.7%+8.328.4%334
58.7%
185Plisk 0.2.6 32-bit2348+36−3650.4%−1.526.3%274
53.6%
186‑187Donna 1.0 64-bit2345+34−3445.0%+37.027.4%310
50.0%
186‑187Flux 2.2.12345+23−2349.9%+1.530.7%672
56.2%
188Arion 1.72343+20−2051.8%−15.327.7%842
62.0%
189WChess 1.062337+32−3347.3%+16.033.0%315
57.4%
190CyberPagno 2.2 64-bit2332+31−3153.3%−22.823.1%381
59.5%
191Amundsen 0.802328+21−2147.5%+17.929.9%825
50.8%
192Aice 0.99.22327+21−2147.2%+20.726.3%787
53.2%
193EveAnn 1.712326+35−3547.5%+17.632.9%280
51.8%
194Asterisk 0.62325+21−2148.9%+6.827.2%837
61.2%
195Nemeton 1.12319+34−3445.0%+33.231.7%281
53.2%
196‑197Bagatur 1.3a 64-bit2317+20−2052.8%−22.627.6%899
51.5%
196‑197KnightX 1.922317+24−2449.7%+0.827.6%641
52.2%
198Averno 0.812316+24−2449.2%+4.427.5%586
51.0%
199Butcher 1.61 64-bit2315+34−3444.7%+41.024.9%301
53.8%
200Gibbon 2.60a 64-bit2313+25−2647.9%+12.629.7%529
58.3%
201Sungorus 1.4 64-bit2309+31−3147.8%+15.324.1%378
50.6%
202‑203ECE 12.012308+22−2248.5%+10.024.6%752
51.2%
202‑203Mediocre 0.42308+34−3450.8%−7.224.3%305
54.7%
204Popochin 2.92305+31−3147.4%+22.330.4%372
58.3%
205Zeus 1.272300+32−3151.1%−12.624.3%378
51.5%
206Natwarlal 0.142299+21−2148.4%+12.524.2%827
61.8%
207‑208Ant 2006-F2295+24−2548.5%+8.323.8%617
49.5%
207‑208Chezzz 1.0.32295+24−2449.8%−0.825.6%617
51.1%
209Joker 1.1.142294+22−2250.6%−4.627.8%730
70.3%
210Anechka 0.082286+20−2046.6%+26.526.2%920
57.6%
211Matilde 2008 64-bit2282+35−3548.6%+11.227.6%279
53.2%
212‑213AliChess 4.252281+23−2349.9%−1.324.4%679
49.2%
212‑213Chaturanga 2.4.32281+25−2550.3%−2.627.1%569
65.5%
214FireFly 2.7.0 64-bit2274+23−2349.4%+2.830.3%643
65.2%
215Orion 0.2 64-bit2267+24−2448.5%+10.927.2%593
69.0%
216Chispa 4.0.32259+21−2149.4%+4.127.5%800
57.8%
217Fischerle 0.9.60 64-bit2255+31−3146.7%+25.222.3%382
69.3%
218RattateChess 1.0 Nosferatu2245+22−2249.2%+8.128.2%692
51.8%
219Protej 0.5.8c2244+29−2946.0%+29.922.7%436
56.5%
220‑221Ayito 0.2.9942241+24−2448.3%+10.922.6%624
50.4%
220‑221Beowulf 2.4a 64-bit2241+22−2252.4%−18.824.8%745
55.3%
222Mango Paola Ajedrez 4.12239+23−2347.2%+20.026.2%663
51.0%
223MadChess 1.4 64-bit2238+22−2347.5%+17.328.3%686
54.5%
224Absolute Zero 2.4.0.0 64-bit2237+25−2549.2%+5.024.3%589
53.9%
225Lozza 1.14a 64-bit2235+32−3343.4%+47.927.3%333
51.8%
226Buzz 0.08 64-bit2233+37−3749.0%+6.823.8%261
53.8%
227Atak 6.82231+20−2047.4%+19.122.9%888
54.6%
228‑229Exacto 0.e 64-bit2229+23−2348.2%+13.633.4%623
50.0%
228‑229Feuerstein 0.4.6.12229+19−1949.1%+6.328.5%944
67.5%
230Dolphin 1.02223+22−2250.3%−5.425.1%724
57.3%
231KMTChess 1.2.1 64-bit2219+26−2649.5%+3.223.4%548
52.9%
232ChessAlex 2.0r42218+24−2449.1%+3.229.7%607
56.3%
233Bearded N44.22214+36−3651.1%−6.825.4%268
57.1%
234Uralochka 1.1b2211+20−2049.6%+2.326.1%889
60.2%
235ChessKISS 1.7 64-bit2207+22−2249.3%+0.729.5%750
54.6%
236Adam 3.32205+21−2150.5%−4.522.2%807
59.8%
237ZCT 0.3.24512200+27−2749.4%+4.325.5%478
57.7%
238Neurosis 2.52197+17−1749.1%+6.928.6%1218
67.2%
239BlackBishop 1.02191+19−1948.9%+8.727.3%1034
57.7%
240Latista (Sinobyl) 1.52188+28−2949.1%+3.325.2%441
53.4%
241Alf 1.092187+24−2449.3%+1.430.9%618
52.1%
242NG-Play 9.85 64-bit2185+34−3449.2%+6.628.5%298
56.2%
243‑244OBender 3.2.4.22182+20−2049.9%+2.025.3%904
50.7%
243‑244ProChess 1.02AD2182+21−2148.9%+3.323.3%824
63.9%
245‑246Chesley r323 64-bit2174+38−3848.0%+15.423.5%251
50.6%
245‑246Prophet 2.0 64-bit2174+37−3754.4%−31.523.3%262
53.9%
247Kurt 0.9.2.2 64-bit2171+25−2549.3%+5.523.2%594
61.1%
248NagaSkaki 5.122167+20−2050.5%−4.528.0%917
65.7%
249Lime 662161+22−2350.2%−3.221.1%729
90.2%
250KnockOut 0.7.12143+16−1651.8%−13.526.7%1416
85.9%
251Parrot 07.07.222128+21−2149.1%+7.223.1%815
52.0%
252BikJump 2.01 64-bit2127+38−3846.0%+26.629.6%240
66.6%
253Napoleon 1.5.0 64-bit2117+27−2746.6%+25.225.1%479
75.4%
254Clarabit 1.00 32-bit2105+22−2247.6%+13.929.9%736
99.9%
255BigLion 2.23x2057+20−2046.3%+26.826.8%937
53.1%
256Soldat III 0.178 64-bit2055+32−3248.2%+13.424.6%354
61.5%
257Ecce 1.0 (rev. 508) 64-bit2049+32−3247.6%+20.220.3%355
70.5%
258Jabba 1.0 32-bit2037+24−2446.6%+25.126.9%603
52.9%
259PLP 16615712036+24−2445.9%+29.423.9%640
64.1%
260Matheus 2.32030+25−2545.1%+37.122.7%599
55.0%
261Mustang 4.972027+27−2743.9%+41.230.8%484
62.2%
262Monarch 1.72022+22−2245.9%+39.419.5%858
56.0%
263Bubble 1.52019+22−2244.5%+42.021.4%803
53.6%
264Slibo 0.5.12018+26−2645.5%+33.619.4%573
71.8%
265ChessMind 0.822007+25−2546.5%+26.217.0%600
61.0%
266Cupcake 1.1a2002+30−3045.8%+34.315.5%444
66.1%
267BibiChess 0.51993+26−2646.8%+23.425.6%555
58.5%
268BSC 3.91988+37−3745.1%+38.124.0%263
56.2%
269Schola 1.1.0 32-bit1985+27−2745.7%+31.326.0%480
74.9%
270‑271Dabbaba 5.671968+39−3942.9%+52.621.4%248
50.7%
270‑271Heracles 0.6.161968+24−2445.5%+32.527.8%608
50.4%
272Zeta Dva 0220 64-bit1967+36−3644.0%+49.216.9%301
54.6%
273Marvin 1.3.01965+25−2544.6%+39.621.9%606
51.8%
274Rival 1.181964+24−2446.8%+21.626.6%606
59.4%
275AdroitChess 0.31959+33−3343.2%+55.819.1%351
61.0%
276Monik 2.2.3 32-bit1952+31−3145.6%+31.427.1%365
73.4%
277Smash 1.0.31940+26−2640.8%+73.917.8%574
63.8%
278MatMoi 7.15.0-cct 32-bit1933+25−2542.7%+55.024.5%568
53.2%
279Micro-Max 4.8 (DM-PII)1931+26−2548.6%+11.725.1%541
84.6%
280Reger 0.091912+25−2541.0%+67.721.6%606
70.0%
281Clueless 1.41903+23−2340.4%+76.617.2%762
60.5%
282Warrior 1.0.31899+24−2544.5%+40.923.6%606
62.3%
283GChess IV 0.2.01893+26−2640.6%+69.828.3%515
69.4%
284Surprise 4.3b131883+29−3038.9%+87.519.1%446
89.4%
285Predateur 2.2 64-bit1851+41−4239.6%+79.418.1%216
67.4%
286BeRoChess 1.00 32-bit1838+37−3837.4%+97.722.9%266
96.7%
287Ziggurat 0.18 64-bit1787+41−4329.3%+160.624.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Stockfish 6 64-bit 4CPU3310 53 − 39
+20−6=66
+30
70 − 34
+39−3=62
+57
64 − 38
+31−5=66
−30
18.5 − 13.5
+8−3=21
−61
23 − 9
+14−0=18
+4
36.5 − 13.5
+23−0=27
−3
25 − 7
+19−1=12
+37
39 − 11
+28−0=22
+22
35 − 15
+22−2=26
−50
 37.5 − 12.5
+26−1=23
−31
2Komodo 8 64-bit 4CPU330139 − 53
+6−20=66
−30
 59 − 45
+32−18=54
+8
24.5 − 10.5
+16−2=17
+33
35 − 15
+21−1=28
+17
33 − 17
+17−1=32
−27
43 − 17
+27−1=32
−1
35 − 15
+20−0=30
−28
37 − 11
+27−1=20
+31
40.5 − 11.5
+30−1=21
+20
  
3Houdini 4 64-bit 4CPU327034 − 70
+3−39=62
−57
45 − 59
+18−32=54
−8
 28.5 − 21.5
+16−9=25
−18
20 − 14
+13−7=14
−8
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
+68
34 − 13
+23−2=22
+7
  
4Fire 4 64-bit 4CPU321238 − 64
+5−31=66
+30
10.5 − 24.5
+2−16=17
−33
21.5 − 28.5
+9−16=25
+18
 16 − 16
+4−4=24
−5
29 − 23
+9−3=40
+5
37 − 23
+19−5=36
+27
19 − 13
+9−3=20
0
31 − 21
+14−4=34
−2
19 − 13
+11−5=16
−14
15 − 9
+7−1=16
−19
3 − 1
+2−0=2
+52
5Gull 2.8b 64-bit 4CPU320513.5 − 18.5
+3−8=21
+61
15 − 35
+1−21=28
−17
14 − 20
+7−13=14
+8
16 − 16
+4−4=24
+5
  18.5 − 15.5
+9−6=19
−5
 1 − 1
+0−0=2
−48
21.5 − 12.5
+13−4=17
+13
  
6Equinox 3.20 64-bit 4CPU31879 − 23
+0−14=18
−4
17 − 33
+1−17=32
+27
11 − 21
+1−11=20
−3
23 − 29
+3−9=40
−5
  15 − 17
+3−5=24
−26
0.5 − 0.5
+0−0=1
−57
17 − 15
+4−2=26
−13
20.5 − 11.5
+10−1=21
+30
  
7Critter 1.6a 64-bit 4CPU317413.5 − 36.5
+0−23=27
+3
17 − 43
+1−27=32
+1
16.5 − 44.5
+2−30=29
−44
23 − 37
+5−19=36
−27
15.5 − 18.5
+6−9=19
+5
17 − 15
+5−3=24
+26
 24.5 − 25.5
+9−10=31
−19
17 − 15
+5−3=24
−1
21 − 13
+9−1=24
+29
  
8Rybka 4 64-bit 4CPU31607 − 25
+1−19=12
−37
15 − 35
+0−20=30
+28
11 − 23
+4−16=14
−3
13 − 19
+3−9=20
0
 0.5 − 0.5
+0−0=1
+57
25.5 − 24.5
+10−9=31
+19
 15.5 − 14.5
+5−4=21
+6
18 − 14
+11−7=14
+19
  
9Bouquet 1.8 64-bit 4CPU315711 − 39
+0−28=22
−22
11 − 37
+1−27=20
−31
7.5 − 25.5
+1−19=13
−68
21 − 31
+4−14=34
+2
1 − 1
+0−0=2
+48
15 − 17
+2−4=26
+13
15 − 17
+3−5=24
+1
14.5 − 15.5
+4−5=21
−6
 1 − 1
+0−0=2
−16
  
10BlackMamba 2.0 64-bit 4CPU314115 − 35
+2−22=26
+50
11.5 − 40.5
+1−30=21
−20
13 − 34
+2−23=22
−7
13 − 19
+5−11=16
+14
12.5 − 21.5
+4−13=17
−13
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
+16
 10 − 10
+4−4=12
−15
10 − 10
+4−4=12
−19
11Hannibal 1.5 64-bit 4CPU3126   9 − 15
+1−7=16
+19
     10 − 10
+4−4=12
+15
 6 − 4
+5−3=2
+70
12Texel 1.05 64-bit 4CPU312212.5 − 37.5
+1−26=23
+31
  1 − 3
+0−2=2
−52
     10 − 10
+4−4=12
+19
4 − 6
+3−5=2
−70
 
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 4CPU3310 79.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Komodo 8 64-bit 4CPU330120.9 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 4 64-bit 4CPU32700.00.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Fire 4 64-bit 4CPU32120.00.00.0 69.896.299.9100.0100.0100.0100.0100.0
5Gull 2.8b 64-bit 4CPU32050.00.00.030.2 87.499.3100.0100.0100.0100.0100.0
6Equinox 3.20 64-bit 4CPU31870.00.00.03.812.6 84.397.898.899.999.9100.0
7Critter 1.6a 64-bit 4CPU31740.00.00.00.10.715.7 96.097.499.999.8100.0
8Rybka 4 64-bit 4CPU31600.00.00.00.00.02.24.0 63.795.497.899.0
9Bouquet 1.8 64-bit 4CPU31570.00.00.00.00.01.22.636.3 90.696.098.0
10BlackMamba 2.0 64-bit 4CPU31410.00.00.00.00.00.10.14.69.4 79.286.0
11Hannibal 1.5 64-bit 4CPU31260.00.00.00.00.00.10.22.24.020.8 57.7
12Texel 1.05 64-bit 4CPU31220.00.00.00.00.00.00.01.02.014.042.3 
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

575'705 games (110.21 MB)

All games with comments

575'705 games (345.05 MB)

Selection of games

(Please don't use aggressive download managers)

Various statistics


Created in 2005-2013 by CCRL team
Last games added on April 18, 2015