CCRL 40/40
Downloads and Statistics
January 31, 2015
Testing summary:
Total: 561'579 games
played by 1'587 programs
77172 CPU days (X2 4600+)

White wins: 196'846 (35.1%)
Black wins: 145'610 (25.9%)
Draws: 219'123 (39.0%)
White score: 54.6%

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 January 31, 2015 with Bayeselo based on 561'579 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 8 64-bit 4CPU3303+16−1670.8%−133.048.1%1252 
95.6%
2Stockfish 5 64-bit 4CPU3285+15−1567.9%−111.253.7%1324
84.0%
3Houdini 4 64-bit 4CPU3275+14−1464.6%−93.748.5%1540
100.0%
4Fire 4 64-bit 4CPU3218+31−3149.7%+2.460.1%291
81.3%
5Gull 2.8b 64-bit 4CPU3201+24−2355.2%−34.651.7%542
77.8%
6Equinox 3.20 64-bit 4CPU3188+24−2452.1%−12.566.5%484
84.5%
7Critter 1.6a 64-bit 4CPU3174+10−1053.7%−22.458.7%3070
94.7%
8Rybka 4 64-bit 4CPU3161+13−1356.5%−43.049.9%2048
63.6%
9Bouquet 1.8 64-bit 4CPU3158+16−1649.0%+7.259.7%1167
91.5%
10BlackMamba 2.0 64-bit 4CPU3140+20−2043.8%+37.056.0%728
98.1%
11Strelka 5.5 64-bit3115+10−955.2%−31.557.0%3499
80.8%
12Naum 4.6 64-bit 4CPU3104+20−2044.0%+37.854.6%742
65.1%
13Chiron 2 64-bit 4CPU3099+17−1740.6%+60.546.4%1162
77.0%
14‑15Hannibal 1.4b 64-bit 4CPU3090+16−1639.3%+67.352.6%1169
52.3%
14‑15Protector 1.7.0 64-bit 4CPU3090+21−2142.2%+47.750.3%690
56.7%
16Deep Fritz 14 64-bit 4CPU3087+17−1741.2%+55.555.9%1053
82.9%
17Texel 1.04 64-bit 4CPU3075+21−2142.1%+50.048.9%664
67.0%
18Hiarcs 14 4CPU3069+14−1541.0%+55.051.0%1444
99.3%
19Deep Junior 13 64-bit 4CPU3041+17−1742.3%+47.549.7%1082
62.7%
20Senpai 1.0 64-bit 4CPU3035+27−2746.5%+20.451.7%391
56.7%
21Spike 1.4 Leiden 4CPU3033+12−1243.5%+40.146.9%2262
58.4%
22Deep Shredder 12 64-bit 4CPU3031+11−1148.4%+9.846.0%2600
93.4%
23NirvanaChess 2.0a 64-bit3005+31−3061.3%−72.445.9%331
92.0%
24Zappa Mexico II 64-bit 4CPU2982+10−1048.9%+5.548.2%3162
71.8%
25Spark 1.0 64-bit 4CPU2976+16−1641.8%+53.246.7%1223
87.1%
26Gaviota 1.0 64-bit 4CPU2955+33−3347.4%+16.442.9%289
71.2%
27‑28Deep Sjeng c't 20102945+11−1145.3%+29.745.7%2847
48.3%
27‑28Onno 1.2.70 64-bit 4CPU2945+22−2248.4%+11.246.2%621
62.5%
29Thinker 5.4d Inert 64-bit 4CPU2940+25−2549.2%+3.650.9%462
57.3%
30Toga II 3.0 4CPU2936+32−3247.5%+16.947.7%300
77.2%
31Crafty 23.8 64-bit 4CPU2919+34−3447.8%+14.847.0%251
54.5%
32SmarThink 1.70 64-bit2916+22−2349.3%+5.640.3%638
58.5%
33‑34DiscoCheck 5.2 64-bit2913+21−2150.8%−6.543.7%710
49.9%
33‑34Quazar 0.4 64-bit2913+13−1349.9%+1.043.2%1854
55.0%
35MinkoChess 1.3 64-bit 4CPU2911+26−2650.0%−2.945.3%446
56.8%
36Cheng4 0.36c 64-bit 4CPU2907+36−3648.7%+7.246.2%238
52.8%
37Tornado 4.88 64-bit 4CPU2905+29−2950.5%−4.842.5%372
53.3%
38Bright 0.4a 4CPU2904+15−1549.7%+2.640.5%1431
53.0%
39Booot 5.2.0 64-bit2903+16−1649.1%+7.743.1%1226
61.3%
40‑41Deuterium 14.3.34.130 64-bit2899+22−2251.3%−8.346.0%642
50.9%
40‑41Fizbo 1.31 64-bit2899+26−2648.0%+13.347.7%430
53.5%
42Scorpio 2.7.6 64-bit 4CPU2897+32−3249.5%+3.843.8%304
67.1%
43iCE 2.0 64-bit2887+22−2252.8%−19.841.4%645
61.9%
44‑45Andscacs 0.71 64-bit2882+30−3046.9%+19.345.5%336
50.2%
44‑45Vajolet2 1.44 64-bit2882+31−3152.5%−17.446.1%323
50.6%
46EXchess 7.18b 64-bit 4CPU2881+35−3546.7%+20.637.9%256
68.1%
47Arasan 16.3 64-bit 4CPU2870+36−3649.0%+4.941.9%246
72.7%
48Nemo 1.0.1 64-bit2857+15−1549.6%+1.643.1%1382
57.6%
49Loop M1-T 64-bit 4CPU2855+12−1243.2%+43.345.2%2447
61.6%
50Octochess r5190 64-bit 4CPU2850+30−3044.9%+30.943.1%346
63.8%
51DisasterArea 1.54 64-bit2842+31−3148.4%+12.340.2%336
60.8%
52BugChess2 1.9 64-bit 4CPU2835+30−3146.8%+15.237.6%364
60.7%
53Murka 3 64-bit2830+17−1750.0%−0.242.1%1127
54.0%
54Jonny 4.00 4CPU2828+31−3145.2%+23.234.1%355
69.3%
55GNU Chess 5.60 64-bit2817+29−2950.4%−7.338.1%373
84.0%
56Rodent 1.5 64-bit2797+26−2740.2%+65.440.4%460
69.2%
57Atlas 3.70em 64-bit2789+22−2248.8%+6.837.7%684
67.0%
58Frenzee 3.5.19 64-bit2782+18−1849.7%+2.634.7%1032
74.0%
59Naraku 1.42774+20−2049.1%+5.324.4%910
56.7%
60Dirty 20Apr2013 64-bit2771+17−1748.5%+9.637.4%1157
58.2%
61Twisted Logic 20100131x 64-bit2768+21−2152.0%−15.434.7%737
67.6%
62Bison 9.11 64-bit2762+21−2149.7%+0.935.4%773
50.9%
63Alfil 13.1 64-bit 4CPU2761+40−4044.3%+26.234.0%212
52.0%
64Rhetoric 1.4.1 64-bit2760+26−2650.1%−0.538.8%479
61.6%
65Ktulu 92755+14−1345.9%+27.039.0%1868
87.4%
66Chronos 1.9.9 64-bit2743+15−1550.0%+0.838.3%1374
64.2%
67Pedone 1.0 64-bit2736+34−3455.4%−38.735.0%277
67.6%
68‑69Delfi 5.4 2CPU2727+18−1940.4%+66.935.7%1017
50.4%
68‑69Hakkapeliitta 2.0 64-bit2727+35−3540.7%+60.335.2%273
51.8%
70‑71Bobcat 3.25 64-bit2726+17−1749.2%+4.939.6%1108
49.6%
70‑71Godel 3.4.9 64-bit2726+19−1949.1%+6.235.2%905
57.5%
72Chessmaster 11 2CPU2722+35−3547.5%+16.239.4%259
83.1%
73‑74Chess Tiger 2007.12705+10−1045.4%+29.942.4%3235
48.1%
73‑74ProDeo 1.862705+30−3049.0%+4.636.9%360
81.0%
75Tucano 5.00 64-bit2687+26−2651.7%−13.742.2%467
68.6%
76Daydreamer 1.75 64-bit2680+18−1848.0%+13.740.7%988
85.6%
77Movei 00.8.438 (10 10 10)2668+12−1147.2%+16.337.7%2646
53.8%
78RedQueen 1.1.3 64-bit2667+31−3146.7%+20.231.1%350
62.5%
79Alaric 7072661+12−1249.1%+6.034.4%2596
58.6%
80Pawny 1.0 64-bit2659+18−1848.8%+6.138.0%1025
58.2%
81The Baron 2.23 64-bit2656+23−2350.2%−3.733.5%603
59.8%
82‑83Djinn 1.010 64-bit2651+30−3049.7%+3.734.2%365
48.7%
82‑83Philou 3.7.1 64-bit2651+16−1649.9%+0.736.4%1272
59.7%
84E.T. Chess 13.01.082649+14−1449.2%+4.437.0%1730
52.5%
85Pharaon 3.5.1 4CPU2648+34−3435.0%+97.036.4%297
51.4%
86Cyrano 0.6b17 32-bit2647+15−1547.9%+13.041.1%1515
67.0%
87Colossus 2008b2643+13−1348.7%+8.238.0%2068
64.6%
88Slow Chess Blitz WV2.12639+12−1248.2%+12.536.9%2515
67.4%
89Sjakk 2.2 64-bit2632+30−3054.2%−30.140.0%360
55.0%
90Gandalf 62630+12−1246.2%+25.635.7%2628
53.0%
91WildCat 82629+14−1449.0%+5.835.2%1806
52.1%
92Rotor 0.7a2628+27−2749.9%−0.232.4%478
52.6%
93Hamsters 0.72627+27−2749.6%+2.838.5%421
52.6%
94Ruffian 2.1.02626+14−1446.9%+22.037.3%1787
81.5%
95Nebula 2.0 64-bit2615+19−1950.6%−4.034.0%951
61.2%
96Sloppy 0.2.2 64-bit2611+21−2149.6%+2.630.8%754
67.7%
97Rodin 7.02604+23−2350.5%−3.333.7%609
66.0%
98Aristarch 4.502598+12−1247.5%+18.032.0%2367
59.4%
99Petir 4.392595+22−2349.4%+1.537.3%638
51.9%
100Glass 2.0 64-bit2594+18−1849.9%+1.635.3%1040
60.5%
101‑102N2 0.4 64-bit2591+17−1750.5%−4.035.1%1123
50.2%
101‑102Pseudo 0.7c2591+13−1450.5%−3.737.4%1846
58.6%
103‑105Amyan 1.722589+13−1350.9%−6.231.0%2081
49.4%
103‑105CuckooChess 1.12 32-bit2589+27−2747.8%+16.030.4%481
49.4%
103‑105NoraGrace 2.0 64-bit2589+38−3860.8%−80.623.2%254
55.4%
106GreKo 12.5 64-bit2586+40−4051.9%−15.629.5%210
66.1%
107GarboChess 3.0 64-bit2576+20−2050.8%−4.130.9%868
62.3%
108Capivara LK 0.09b02f 64-bit2570+31−3151.5%−8.932.9%340
53.5%
109Jellyfish 1.02568+27−2750.7%−6.338.2%440
54.1%
110Brutus 8.05 64-bit2566+33−3346.2%+23.434.8%299
61.0%
111DanaSah 5.072561+20−2049.7%−0.438.2%849
50.2%
112Francesca MAD 0.192560+17−1747.1%+20.833.0%1185
52.9%
113‑114Arminius 2013-08-10 64-bit2559+31−3247.3%+19.727.0%352
49.7%
113‑114SOS 5.12559+14−1447.8%+13.434.1%1790
62.9%
115Anaconda 2.0.12554+27−2747.9%+12.335.2%458
68.1%
116Cheese 1.6.1 64-bit2546+24−2446.8%+20.437.2%589
62.4%
117‑119AnMon 5.662540+23−2350.3%−1.931.0%658
50.7%
117‑119Phalanx XXIV2540+36−3553.3%−27.428.7%272
48.7%
117‑119Ufim 8.022540+13−1349.3%+3.531.1%2041
70.8%
120nanoSzachy 4.0 64-bit2534+21−2148.1%+12.131.7%773
88.6%
121Hermann 2.8 64-bit2515+21−2148.4%+11.926.9%813
59.9%
122Nimzo 82511+28−2845.5%+33.432.2%453
61.0%
123Little Goliath Evolution 3.122506+18−1846.5%+24.033.5%1015
66.7%
124Tao 5.62501+17−1749.6%+3.027.1%1194
58.0%
125LittleThought 1.052 64-bit2498+20−2049.3%+4.024.7%863
51.4%
126Delphil 3.2 64-bit2497+34−3452.9%−19.434.6%289
52.3%
127JikChess 0.01 64-bit2496+36−3652.8%−22.725.9%266
62.6%
128Pupsi2 0.092489+22−2249.3%+4.930.0%736
61.2%
129Yace 0.99.872485+19−1950.0%+0.328.1%1007
51.7%
130Ghost 2.0.2 64-bit2484+35−3548.9%+6.829.2%274
52.3%
131Xpdnt 0910072483+16−1649.3%+4.132.0%1355
52.9%
132Pepito 1.59 64-bit2482+27−2748.8%+4.137.7%430
52.9%
133‑134Matacz 1.32480+29−2947.4%+17.833.0%382
50.9%
133‑134SpiderChess 0706032480+23−2350.1%+1.939.6%604
54.5%
135‑137Anatoli 0.35k2478+17−1750.4%−4.131.9%1254
50.5%
135‑137BBChess 1.3b2478+25−2551.0%−6.638.1%525
49.0%
135‑137Cerebro 3.03d2478+19−1949.7%+0.330.0%1000
57.0%
138‑139Quark 2.352476+20−2149.0%+5.729.5%821
48.1%
138‑139Trace 1.362476+21−2248.8%+8.726.5%765
52.0%
140Green Light Chess 3.01.2.22475+38−3945.3%+31.632.9%225
56.3%
141Bruja 1.9.1 64-bit2472+22−2248.7%+8.926.1%712
60.8%
142Counter 1.22468+17−1748.3%+11.438.2%1119
86.6%
143Dorky 4.3 64-bit2448+31−3149.7%+0.630.4%362
52.6%
144Snitch 1.6.2 64-bit2446+38−3845.5%+31.027.6%246
52.4%
145Eeyore 1.52 64-bit2445+22−2249.5%+1.827.0%716
62.6%
146Hussar 0.42440+19−1948.1%+12.928.8%1000
56.0%
147Typhoon 1.00-3482437+37−3748.4%+11.127.8%255
61.4%
148‑149Abrok 5.02430+27−2848.5%+10.729.1%454
48.9%
148‑149PostModernist 10162430+24−2448.0%+12.828.7%579
59.7%
150Homer 2.012426+21−2149.1%+6.032.6%803
53.0%
151Gaia 3.5 64-bit2425+43−4350.0%−3.227.4%201
60.6%
152Betsabe II 1.30 64-bit2418+22−2248.8%+7.326.5%706
55.4%
153KnightDreamer 3.32415+37−3748.8%+10.432.5%243
51.4%
154Muse 0.899b2414+22−2247.6%+18.227.0%730
55.0%
155Ares 1.005 64-bit2412+28−2848.3%+10.934.7%449
52.6%
156Kiwi 0.6d 32-bit2411+20−2046.4%+22.827.1%861
60.8%
157‑158Diablo 0.5.12407+19−1949.5%+3.731.6%924
49.7%
157‑158Shallow r688 64-bit2407+22−2250.6%−7.430.0%704
51.9%
159Queen 4.032406+20−2048.9%+5.834.5%860
55.7%
160Dragon 4.62404+19−1946.2%+25.834.3%890
54.8%
161RomiChess P3k 32-bit2402+19−1949.2%+5.633.0%906
63.7%
162‑163Amy 0.87b2397+26−2649.9%+3.225.7%521
49.6%
162‑163Comet B682397+24−2447.2%+19.125.5%644
51.8%
164Simplex 0.9.8 32-bit2396+31−3149.3%+3.231.3%345
52.0%
165Tigran 2.4n 64-bit2395+24−2450.0%−0.430.9%602
56.6%
166pikoSzachy 3.42391+35−3548.6%+10.224.1%295
51.9%
167Patzer 3.802390+26−2649.5%+4.325.5%514
56.8%
168Ifrit m1.8 64-bit2387+24−2448.0%+16.328.5%601
56.0%
169Gosu 0.162384+21−2147.6%+17.426.7%794
52.8%
170Sorgenkind 0.42383+15−1551.8%−11.328.3%1539
53.3%
171‑172Amateur 2.822382+21−2247.0%+21.525.0%787
49.5%
171‑172Horizon 4.42382+18−1849.2%+4.926.3%1103
54.5%
173Alex 2.14a 64-bit2381+22−2251.2%−7.028.6%689
52.9%
174Sage 3.532380+18−1850.0%+0.227.9%1063
55.7%
175Jazz 721 64-bit2378+22−2249.5%+2.327.6%729
55.8%
176Thor's Hammer 2.28 32-bit2375+28−2849.5%+4.029.1%440
54.0%
177OliThink 5.3.2 64-bit2373+22−2349.6%+4.125.6%695
52.3%
178TJchess 1.1 32-bit2372+37−3747.2%+22.527.1%247
53.2%
179Waxman 20142370+32−3345.8%+28.130.3%323
62.4%
180Tytan 9.32363+24−2450.7%−5.225.9%633
76.3%
181Myrddin 0.86 64-bit2351+22−2249.4%+5.829.9%743
54.7%
182Plisk 0.2.7d 32-bit2349+22−2250.9%−7.825.3%719
54.4%
183Flux 2.2.12347+23−2350.2%−0.330.4%661
54.4%
184CyberPagno 2.2 64-bit2345+39−3860.0%−72.423.4%244
52.6%
185Arion 1.72343+21−2151.9%−15.027.6%836
53.4%
186Donna 1.0 64-bit2341+42−4241.8%+61.025.2%202
55.9%
187WChess 1.062337+32−3347.3%+16.233.0%315
58.7%
188K2 0.672332+30−3058.1%−54.731.2%391
51.2%
189Maverick 0.51 64-bit2331+24−2454.1%−28.125.4%638
58.0%
190‑191Aice 0.99.22328+21−2147.2%+20.326.3%787
49.0%
190‑191Amundsen 0.802328+20−2147.5%+18.629.9%825
54.8%
192EveAnn 1.712326+35−3547.5%+18.032.9%280
51.4%
193Asterisk 0.62325+20−2148.9%+7.227.2%837
63.9%
194Gibbon 2.60a 64-bit2319+27−2749.2%+3.629.2%465
51.3%
195Bagatur 1.3a 64-bit2318+20−2053.3%−25.827.3%851
52.4%
196KnightX 1.922317+23−2449.7%+1.627.6%641
52.0%
197‑198Averno 0.812316+24−2449.2%+5.227.5%586
50.9%
197‑198Butcher 1.61 64-bit2316+34−3444.7%+40.924.9%301
61.6%
199‑200ECE 12.012310+22−2248.5%+9.624.6%752
50.2%
199‑200Sungorus 1.4 64-bit2310+31−3147.8%+15.524.1%378
51.7%
201Mediocre 0.42309+34−3450.8%−7.124.3%305
54.2%
202Popochin 2.92306+31−3147.4%+22.530.4%372
62.8%
203Natwarlal 0.142300+21−2148.4%+11.924.2%827
53.7%
204Zeus 1.272298+33−3251.1%−13.224.2%356
54.9%
205Chezzz 1.0.32296+24−2449.8%−1.025.6%617
51.1%
206‑207Ant 2006-F2295+25−2448.5%+8.823.8%617
51.1%
206‑207Joker 1.1.142295+22−2250.6%−5.327.8%730
51.5%
208Matilde 2008 64-bit2294+38−3850.6%−4.327.5%244
62.2%
209Anechka 0.082287+20−2046.6%+26.026.2%920
62.7%
210‑211AliChess 4.252282+23−2349.9%−1.124.4%679
49.2%
210‑211Chaturanga 2.4.32282+25−2550.3%−2.427.1%569
55.6%
212Nemeton 1.02279+32−3252.9%−20.528.3%343
56.6%
213FireFly 2.7.0 64-bit2276+25−2449.6%+1.330.4%569
62.6%
214Orion 0.2 64-bit2270+25−2548.3%+11.827.7%545
73.3%
215Chispa 4.0.32259+21−2149.4%+4.627.5%800
53.1%
216Fischerle 0.9.60 64-bit2258+32−3346.4%+27.223.2%336
70.3%
217‑218Protej 0.5.8c2246+30−3045.7%+31.323.9%394
49.1%
217‑218RattateChess 1.0 Nosferatu2246+22−2249.2%+8.128.2%692
54.1%
219MadChess 1.4 64-bit2245+24−2447.5%+16.429.1%604
56.3%
220‑221Ayito 0.2.9942242+24−2448.3%+10.422.6%624
49.9%
220‑221Beowulf 2.4a 64-bit2242+22−2252.5%−19.824.5%727
51.2%
222Mango Paola Ajedrez 1.02241+38−3849.4%+2.520.2%262
52.4%
223Absolute Zero 2.4.0.0 64-bit2240+25−2649.6%+1.924.3%547
54.5%
224Buzz 0.08 64-bit2237+38−3849.6%+2.523.8%244
59.2%
225Atak 6.82232+20−2047.3%+19.122.8%883
52.3%
226Exacto 0.e 64-bit2231+24−2448.4%+12.033.4%581
52.5%
227Feuerstein 0.4.6.12230+19−1949.1%+5.828.5%939
66.4%
228Dolphin 1.02224+22−2250.3%−5.525.1%724
57.4%
229KMTChess 1.2.1 64-bit2220+26−2649.5%+3.023.4%548
54.2%
230ChessAlex 2.0r42218+24−2449.1%+3.529.7%607
55.3%
231Bearded N44.22215+36−3651.1%−7.025.4%268
58.5%
232Uralochka 1.1b2211+20−2049.6%+2.426.1%889
51.6%
233ChessKISS 1.7 64-bit2210+22−2249.5%−0.129.7%745
60.0%
234Adam 3.32206+21−2150.5%−4.222.2%807
62.9%
235ZCT 0.3.24512200+27−2749.4%+4.025.5%478
56.4%
236Neurosis 2.52197+17−1749.1%+7.328.6%1218
66.8%
237BlackBishop 1.02192+18−1848.9%+8.327.3%1034
52.7%
238Carballo 0.82191+22−2247.2%+19.030.6%706
55.0%
239Latista (Sinobyl) 1.52189+29−2849.1%+2.725.2%441
53.9%
240Alf 1.092187+24−2449.3%+1.530.9%618
51.3%
241NG-Play 9.85 64-bit2186+35−3549.1%+7.027.4%288
54.9%
242ProChess 1.02AD2183+21−2148.8%+4.223.4%819
52.7%
243OBender 3.2.4.22182+20−2049.9%+2.325.4%899
58.4%
244Chesley r323 64-bit2177+41−4148.1%+14.922.9%210
57.2%
245Kurt 0.9.2.2 64-bit2173+26−2649.5%+3.622.6%553
62.9%
246NagaSkaki 5.122167+20−2050.6%−5.228.0%876
65.5%
247Lime 662161+23−2350.2%−3.021.1%729
89.6%
248KnockOut 0.7.12143+16−1651.8%−12.826.7%1416
90.9%
249Prophet 2.0 32-bit2127+19−1949.3%+4.123.9%1019
52.3%
250Parrot 07.01.162125+32−3246.0%+30.521.5%354
64.9%
251Napoleon 1.5.0 64-bit2117+29−3043.2%+48.825.0%404
73.1%
252Clarabit 1.00 32-bit2105+22−2247.6%+13.729.9%736
98.5%
253BikJump 2.01 32-bit2074+18−1850.3%−2.327.3%1062
88.0%
254BigLion 2.23x2057+21−2145.5%+32.727.4%848
84.4%
255PLP 16615712041+24−2446.2%+26.924.2%604
55.9%
256Jabba 1.0 32-bit2038+24−2446.6%+25.126.9%603
69.8%
257Matheus 2.32029+25−2545.1%+37.622.7%599
55.4%
258Mustang 4.972027+27−2743.9%+40.430.8%484
61.1%
259Monarch 1.72022+22−2245.9%+39.119.5%858
53.0%
260Bubble 1.52020+22−2244.5%+41.921.4%803
53.3%
261Slibo 0.5.12019+26−2645.5%+33.619.4%573
68.2%
262Cupcake 1.1a2008+35−3546.5%+28.715.0%333
60.5%
263ChessMind 0.822002+26−2645.9%+30.617.1%580
56.7%
264BibiChess 0.51999+28−2848.2%+13.724.0%480
66.4%
265BSC 3.91989+37−3745.1%+38.024.0%263
55.9%
266Schola 1.1.0 32-bit1986+27−2745.7%+31.326.0%480
75.1%
267Zeta Dva 0220 64-bit1970+36−3644.0%+48.516.9%301
51.4%
268Dabbaba 5.671969+38−3942.9%+52.521.4%248
51.6%
269Heracles 0.6.161968+26−2646.2%+27.528.0%535
59.0%
270Marvin 1.3.01964+25−2544.6%+39.621.9%606
57.4%
271AdroitChess 0.31960+33−3343.2%+55.819.1%351
60.7%
272Rival 1.181954+26−2646.6%+23.725.0%531
54.2%
273Monik 2.2.3 32-bit1952+32−3245.9%+27.827.5%345
55.6%
274Soldat III 0.172 32-bit1948+33−3340.0%+81.117.2%379
66.7%
275Smash 1.0.31939+26−2640.8%+74.017.8%574
60.2%
276MatMoi 7.15.0-cct 32-bit1934+25−2542.7%+54.924.5%568
58.5%
277Micro-Max 4.8 (DM-PII)1930+25−2648.6%+11.225.1%541
81.0%
278Reger 0.091913+25−2541.0%+67.521.6%606
73.1%
279Clueless 1.41902+23−2340.4%+76.917.2%762
59.2%
280Warrior 1.0.31898+24−2544.5%+41.723.6%606
61.3%
281GChess IV 0.2.01893+26−2640.6%+70.228.3%515
71.4%
282Surprise 4.3b131882+29−3038.9%+87.719.1%446
89.4%
283Predateur 2.2 64-bit1850+41−4239.6%+79.418.1%216
65.1%
284BeRoChess 1.00 32-bit1839+37−3837.4%+97.722.9%266
96.7%
285Ziggurat 0.18 64-bit1788+41−4329.3%+160.724.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Komod
2
Stock
3
Houdi
4
Fire
5
Gull
6
Equin
7
Critt
8
Rybka
9
Bouqu
10
Black
11
Strel
12
Naum
1Komodo 8 64-bit 4CPU3303 57.5 − 46.5
+20−9=75
+10		59 − 45
+32−18=54
+11		24.5 − 10.5
+16−2=17
+36		35 − 15
+21−1=28
+11		33 − 17
+17−1=32
−28		43 − 17
+27−1=32
−3		35 − 15
+20−0=30
−29		37 − 11
+27−1=20
+30		40.5 − 11.5
+30−1=21
+16		38.5 − 10.5
+31−3=15
+14		42 − 8
+35−1=14
+49
2Stockfish 5 64-bit 4CPU328546.5 − 57.5
+9−20=75
−10		 47.5 − 39.5
+21−13=53
+14		21.5 − 13.5
+9−1=25
−8		21 − 11
+11−1=20
0		31.5 − 18.5
+14−1=35
−28		62 − 25
+40−3=44
+17		19.5 − 10.5
+12−3=15
−34		39.5 − 17.5
+25−3=29
−12		21 − 9
+12−0=18
−34		18 − 2
+16−0=4
+159		36.5 − 13.5
+26−3=21
−32
3Houdini 4 64-bit 4CPU327545 − 59
+18−32=54
−11		39.5 − 47.5
+13−21=53
−14		 28.5 − 21.5
+16−9=25
−17		20 − 14
+13−7=14
−17		21 − 11
+11−1=20
0		44.5 − 16.5
+30−2=29
+39		23 − 11
+16−4=14
0		25.5 − 7.5
+19−1=13
+64		34 − 13
+23−2=22
+1		 44.5 − 13.5
+32−1=25
−3
4Fire 4 64-bit 4CPU321810.5 − 24.5
+2−16=17
−36		13.5 − 21.5
+1−9=25
+8		21.5 − 28.5
+9−16=25
+17		   37 − 23
+19−5=36
+21		  19 − 13
+11−5=16
−21		  
5Gull 2.8b 64-bit 4CPU320115 − 35
+1−21=28
−11		11 − 21
+1−11=20
0		14 − 20
+7−13=14
+17		   18.5 − 15.5
+9−6=19
−1		 1 − 1
+0−0=2
−43		21.5 − 12.5
+13−4=17
+16		  
6Equinox 3.20 64-bit 4CPU318817 − 33
+1−17=32
+28		18.5 − 31.5
+1−14=35
+28		11 − 21
+1−11=20
0		   15 − 17
+3−5=24
−27		 17 − 15
+4−2=26
−13		20.5 − 11.5
+10−1=21
+28		 21.5 − 10.5
+11−0=21
+7
7Critter 1.6a 64-bit 4CPU317417 − 43
+1−27=32
+3		25 − 62
+3−40=44
−17		16.5 − 44.5
+2−30=29
−39		23 − 37
+5−19=36
−21		15.5 − 18.5
+6−9=19
+1		17 − 15
+5−3=24
+27		 24.5 − 25.5
+9−10=31
−18		17 − 15
+5−3=24
0		21 − 13
+9−1=24
+28		32.5 − 22.5
+13−3=39
−11		19.5 − 12.5
+9−2=21
−11
8Rybka 4 64-bit 4CPU316115 − 35
+0−20=30
+29		10.5 − 19.5
+3−12=15
+34		11 − 23
+4−16=14
0		   25.5 − 24.5
+10−9=31
+18		 15.5 − 14.5
+5−4=21
+6		18 − 14
+11−7=14
+17		  
9Bouquet 1.8 64-bit 4CPU315811 − 37
+1−27=20
−30		17.5 − 39.5
+3−25=29
+12		7.5 − 25.5
+1−19=13
−64		 1 − 1
+0−0=2
+43		15 − 17
+2−4=26
+13		15 − 17
+3−5=24
0		14.5 − 15.5
+4−5=21
−6		 1 − 1
+0−0=2
−18		 22 − 10
+13−1=18
+52
10BlackMamba 2.0 64-bit 4CPU314011.5 − 40.5
+1−30=21
−16		9 − 21
+0−12=18
+34		13 − 34
+2−23=22
−1		13 − 19
+5−11=16
+21		12.5 − 21.5
+4−13=17
−16		11.5 − 20.5
+1−10=21
−28		13 − 21
+1−9=24
−28		14 − 18
+7−11=14
−17		1 − 1
+0−0=2
+18		  20.5 − 11.5
+11−2=19
+43
11Strelka 5.5 64-bit311510.5 − 38.5
+3−31=15
−14		2 − 18
+0−16=4
−159		    22.5 − 32.5
+3−13=39
+11		     
12Naum 4.6 64-bit 4CPU31048 − 42
+1−35=14
−49		13.5 − 36.5
+3−26=21
+32		13.5 − 44.5
+1−32=25
+3		  10.5 − 21.5
+0−11=21
−7		12.5 − 19.5
+2−9=21
+11		 10 − 22
+1−13=18
−52		11.5 − 20.5
+2−11=19
−43		  
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
Kom
2
Sto
3
Hou
4
Fir
5
Gul
6
Equ
7
Cri
8
Ryb
9
Bou
10
Bla
11
Str
12
Nau
1Komodo 8 64-bit 4CPU3303 95.699.7100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Stockfish 5 64-bit 4CPU32854.4 84.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 4 64-bit 4CPU32750.316.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Fire 4 64-bit 4CPU32180.00.00.0 81.393.999.699.9100.0100.0100.0100.0
5Gull 2.8b 64-bit 4CPU32010.00.00.018.7 77.897.999.899.9100.0100.0100.0
6Equinox 3.20 64-bit 4CPU31880.00.00.06.122.2 84.597.098.399.9100.0100.0
7Critter 1.6a 64-bit 4CPU31740.00.00.00.42.115.5 94.796.499.9100.0100.0
8Rybka 4 64-bit 4CPU31610.00.00.00.10.23.05.3 63.695.8100.0100.0
9Bouquet 1.8 64-bit 4CPU31580.00.00.00.00.11.73.636.4 91.5100.0100.0
10BlackMamba 2.0 64-bit 4CPU31400.00.00.00.00.00.10.14.28.5 98.199.5
11Strelka 5.5 64-bit31150.00.00.00.00.00.00.00.00.01.9 80.8
12Naum 4.6 64-bit 4CPU31040.00.00.00.00.00.00.00.00.00.519.2 
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

561'579 games (107.65 MB)

All games with comments

561'579 games (336.77 MB)

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

Various statistics

Created in 2005-2013 by CCRL team
Last games added on January 31, 2015