CCRL 40/40
Downloads and Statistics
February 23, 2015
Testing summary:
Total: 565'402 games
played by 1'590 programs
77823 CPU days (X2 4600+)

White wins: 198'038 (35.0%)
Black wins: 146'525 (25.9%)
Draws: 220'839 (39.1%)
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 February 23, 2015 with Bayeselo based on 565'402 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 4CPU3315+21−2169.6%−120.153.7%674 
80.2%
2Komodo 8 64-bit 4CPU3304+16−1670.4%−130.448.7%1276
99.9%
3Houdini 4 64-bit 4CPU3272+14−1463.1%−83.148.9%1618
99.9%
4Fire 4 64-bit 4CPU3224+26−2647.3%+14.362.1%401
83.9%
5Gull 2.8b 64-bit 4CPU3207+22−2254.2%−29.053.6%606
86.6%
6Equinox 3.20 64-bit 4CPU3189+23−2350.6%−3.965.9%516
86.1%
7Critter 1.6a 64-bit 4CPU3175+10−1053.6%−22.258.5%3108
95.7%
8Rybka 4 64-bit 4CPU3161+12−1256.0%−39.449.7%2080
62.3%
9Bouquet 1.8 64-bit 4CPU3158+15−1548.4%+11.259.3%1193
88.2%
10BlackMamba 2.0 64-bit 4CPU3143+19−1943.6%+38.455.9%774
79.6%
11Texel 1.05 64-bit 4CPU3126+34−3451.0%−3.154.3%247
70.0%
12Strelka 5.5 64-bit3116+9−955.3%−31.357.1%3535
79.9%
13Naum 4.6 64-bit 4CPU3106+19−1944.1%+37.454.6%832
72.6%
14Chiron 2 64-bit 4CPU3099+16−1640.4%+62.646.4%1218
72.8%
15Hannibal 1.4b 64-bit 4CPU3092+16−1639.7%+64.352.5%1205
55.3%
16Protector 1.7.0 64-bit 4CPU3090+20−2043.0%+44.250.4%754
55.7%
17Deep Fritz 14 64-bit 4CPU3089+17−1741.2%+54.555.9%1053
95.6%
18‑19Hiarcs 14 4CPU3070+14−1541.1%+53.651.4%1474
48.5%
18‑19NirvanaChess 2.0a 64-bit 4CPU3070+38−3844.3%+39.353.2%203
89.3%
20Deep Junior Yokohama 64-bit 4CPU3043+20−2043.2%+40.545.9%826
70.5%
21Senpai 1.0 64-bit 4CPU3034+26−2645.9%+23.752.4%437
52.5%
22Spike 1.4 Leiden 4CPU3033+12−1243.5%+40.347.1%2308
58.3%
23Deep Shredder 12 64-bit 4CPU3031+11−1148.4%+10.346.0%2600
100.0%
24Zappa Mexico II 64-bit 4CPU2981+10−1048.8%+6.448.2%3186
63.6%
25Spark 1.0 64-bit 4CPU2977+16−1642.3%+50.546.4%1247
73.8%
26Andscacs 0.72 64-bit2964+38−3754.7%−28.946.2%212
61.0%
27Gaviota 1.0 64-bit 4CPU2957+31−3247.9%+13.044.3%307
71.2%
28Onno 1.2.70 64-bit 4CPU2946+22−2248.4%+10.446.2%621
52.4%
29Deep Sjeng c't 20102945+11−1145.3%+29.845.7%2847
62.5%
30Thinker 5.4d Inert 64-bit 4CPU2940+25−2549.2%+4.150.9%462
56.9%
31Toga II 3.0 4CPU2937+31−3247.5%+16.447.7%300
77.1%
32Crafty 23.8 64-bit 4CPU2919+34−3447.8%+15.547.0%251
52.1%
33SmarThink 1.70 64-bit2918+22−2249.2%+6.140.8%650
56.6%
34DiscoCheck 5.2 64-bit2916+21−2150.9%−7.444.2%736
58.1%
35Quazar 0.4 64-bit2913+13−1349.8%+1.843.2%1862
56.3%
36‑37Cheng4 0.38 64-bit2910+30−3057.0%−43.339.9%348
51.3%
36‑37MinkoChess 1.3 64-bit 4CPU2910+26−2649.8%−1.645.5%440
58.5%
38Tornado 4.88 64-bit 4CPU2906+29−2950.5%−5.542.5%372
54.8%
39‑40Booot 5.2.0 64-bit2904+16−1649.0%+7.443.0%1243
48.5%
39‑40Bright 0.4a 4CPU2904+15−1549.7%+2.640.5%1431
57.4%
41Fizbo 1.31 64-bit2901+26−2648.1%+12.848.3%447
52.2%
42Deuterium 14.3.34.130 64-bit2900+21−2150.7%−4.746.8%675
56.3%
43Scorpio 2.7.6 64-bit 4CPU2897+32−3249.5%+3.943.3%298
66.8%
44iCE 2.0 64-bit2888+22−2252.1%−15.941.1%676
60.3%
45‑46EXchess 7.18b 64-bit 4CPU2882+35−3546.7%+20.237.9%256
49.4%
45‑46Vajolet2 1.44 64-bit2882+31−3052.5%−16.946.1%323
68.0%
47Arasan 16.3 64-bit 4CPU2870+36−3649.0%+5.641.9%246
73.2%
48Nemo 1.0.1 64-bit2857+15−1549.6%+1.943.1%1382
58.6%
49Loop M1-T 64-bit 4CPU2855+12−1243.2%+43.445.2%2447
57.7%
50Octochess r5190 64-bit 4CPU2852+30−3045.3%+28.742.9%340
72.5%
51DisasterArea 1.54 64-bit2838+30−3047.9%+14.840.7%356
54.0%
52BugChess2 1.9 64-bit 4CPU2836+30−3146.8%+14.537.6%364
61.3%
53Murka 3 64-bit2830+17−1749.9%+0.842.4%1159
53.8%
54Jonny 4.00 4CPU2829+31−3145.2%+22.534.1%355
62.6%
55GNU Chess 5.60 64-bit2821+28−2850.6%−8.339.0%405
88.4%
56Rodent 1.5 64-bit2798+26−2740.4%+64.640.5%462
67.7%
57Atlas 3.70em 64-bit2790+22−2248.8%+7.437.8%688
70.1%
58Frenzee 3.5.19 64-bit2783+18−1849.9%+1.334.4%1057
70.6%
59Naraku 1.42776+20−2049.5%+2.724.4%936
59.5%
60Dirty 20Apr2013 64-bit2772+17−1748.7%+8.837.2%1201
62.3%
61‑62Rhetoric 1.4.1 64-bit2768+24−2451.8%−11.737.9%560
48.7%
61‑62Twisted Logic 20100131x 64-bit2768+21−2151.9%−15.134.7%764
66.5%
63Bison 9.11 64-bit2762+20−2049.6%+2.034.7%807
51.0%
64Alfil 13.1 64-bit 4CPU2761+40−4044.3%+26.834.0%212
59.9%
65Ktulu 92756+13−1346.0%+25.638.8%1893
83.8%
66Chronos 1.9.9 64-bit2746+15−1550.3%−1.938.4%1399
77.9%
67Pedone 1.0 64-bit2732+30−2954.0%−28.835.6%379
56.7%
68Godel 3.4.9 64-bit2729+19−1849.7%+2.735.2%976
56.9%
69Delfi 5.4 2CPU2727+19−1940.4%+67.035.7%1017
52.6%
70Bobcat 3.25 64-bit2726+17−1749.2%+5.639.5%1132
58.1%
71Chessmaster 11 2CPU2722+35−3547.5%+16.239.4%259
55.9%
72Hakkapeliitta 2.0 64-bit2719+31−3241.9%+52.634.2%339
72.7%
73ProDeo 1.862705+30−3049.0%+4.536.9%360
52.3%
74Chess Tiger 2007.12704+10−1045.3%+30.942.5%3260
99.4%
75Daydreamer 1.75 64-bit2678+18−1847.4%+17.440.6%1014
61.0%
76Tucano 5.00 64-bit2674+24−2449.0%+4.341.9%535
66.4%
77Movei 00.8.438 (10 10 10)2668+11−1247.2%+16.237.7%2646
53.6%
78RedQueen 1.1.3 64-bit2666+31−3146.7%+21.131.1%350
62.6%
79Alaric 7072661+12−1249.1%+5.934.4%2596
65.6%
80Pawny 1.0 64-bit2657+17−1848.4%+9.037.7%1068
56.1%
81The Baron 2.23 64-bit2654+23−2350.1%−1.833.4%605
57.3%
82‑83Djinn 1.010 64-bit2651+30−3049.7%+3.834.2%365
50.5%
82‑83Philou 3.7.1 64-bit2651+16−1649.8%+0.436.3%1274
57.5%
84E.T. Chess 13.01.082649+14−1449.2%+4.237.0%1730
51.9%
85Pharaon 3.5.1 4CPU2648+34−3435.0%+97.136.4%297
52.0%
86Cyrano 0.6b17 32-bit2647+15−1547.9%+12.841.1%1515
67.1%
87Colossus 2008b2642+13−1348.7%+9.038.0%2068
64.4%
88Slow Chess Blitz WV2.12639+12−1248.2%+12.436.9%2515
71.0%
89Sjakk 2.2 64-bit2631+28−2852.6%−19.540.7%403
52.2%
90Gandalf 62630+11−1246.2%+25.435.7%2628
53.1%
91WildCat 82629+14−1449.0%+5.735.2%1806
51.9%
92Rotor 0.7a2628+26−2649.9%−0.432.4%478
53.8%
93‑94Hamsters 0.72626+27−2749.6%+3.238.5%421
51.3%
93‑94Ruffian 2.1.02626+14−1446.9%+21.837.3%1787
82.7%
95Nebula 2.0 64-bit2615+18−1850.1%−0.633.5%993
60.5%
96Sloppy 0.2.2 64-bit2611+21−2149.6%+2.430.8%754
75.3%
97Rodin 7.02600+23−2349.1%+6.733.1%652
56.1%
98Aristarch 4.502598+12−1247.5%+17.932.0%2367
59.5%
99Petir 4.392595+23−2349.4%+1.437.3%638
52.5%
100Glass 2.0 64-bit2594+18−1849.9%+1.235.3%1040
51.3%
101NoraGrace 2.0 64-bit2593+36−3561.3%−82.123.5%293
55.0%
102‑103N2 0.4 64-bit2591+17−1750.5%−4.135.1%1123
50.1%
102‑103Pseudo 0.7c2591+13−1350.5%−3.837.4%1846
58.5%
104‑105Amyan 1.722589+13−1350.9%−6.431.0%2081
49.2%
104‑105CuckooChess 1.12 32-bit2589+27−2747.8%+16.030.4%481
56.9%
106GreKo 12.1 64-bit2585+33−3354.6%−33.531.8%302
68.3%
107GarboChess 3.0 64-bit2576+20−2050.8%−4.530.9%868
50.9%
108Capivara LK 0.09b02f 64-bit2575+30−3052.5%−17.232.7%379
64.9%
109Jellyfish 1.02568+26−2651.0%−9.337.9%480
53.5%
110Brutus 8.05 64-bit2566+33−3346.2%+23.434.8%299
59.9%
111DanaSah 5.072561+19−1950.1%−1.838.2%889
51.9%
112Francesca MAD 0.192560+17−1747.1%+20.733.0%1185
52.5%
113‑114Arminius 2013-08-10 64-bit2559+31−3247.3%+19.527.0%352
49.9%
113‑114SOS 5.12559+14−1447.8%+13.334.1%1790
62.8%
115Anaconda 2.0.12554+27−2747.9%+12.235.2%458
73.7%
116Cheese 1.6.1 64-bit2543+23−2346.6%+21.436.2%629
56.0%
117‑118AnMon 5.662540+23−2350.3%−2.031.0%658
49.4%
117‑118Ufim 8.022540+13−1349.3%+3.331.1%2041
59.2%
119Phalanx XXIV2536+33−3352.4%−20.727.9%312
55.5%
120nanoSzachy 4.0 64-bit2533+21−2148.1%+12.831.7%773
88.5%
121Hermann 2.8 64-bit2515+21−2148.4%+11.726.9%813
59.6%
122Nimzo 82511+27−2845.5%+33.332.2%453
59.0%
123‑124Delphil 3.2 64-bit2506+32−3253.2%−21.034.5%328
49.4%
123‑124Little Goliath Evolution 3.122506+18−1846.5%+23.933.5%1015
67.0%
125Tao 5.62501+17−1749.6%+2.827.1%1194
58.0%
126LittleThought 1.052 64-bit2498+20−2049.3%+3.824.7%863
66.8%
127‑128JikChess 0.01 64-bit2489+34−3450.5%−6.626.9%305
50.4%
127‑128Pupsi2 0.092489+22−2249.3%+4.730.0%736
61.5%
129Yace 0.99.872485+19−1850.0%+0.128.1%1007
51.6%
130Ghost 2.0.2 64-bit2484+35−3648.9%+6.629.2%274
52.4%
131Xpdnt 0910072483+16−1649.3%+3.932.0%1355
52.6%
132Pepito 1.59 64-bit2481+27−2848.8%+4.937.7%430
52.9%
133Matacz 1.32480+29−2947.4%+17.833.0%382
50.9%
134SpiderChess 0706032479+23−2350.1%+2.739.6%604
54.4%
135‑137Anatoli 0.35k2478+17−1750.4%−4.131.9%1254
50.5%
135‑137BBChess 1.3b2478+25−2551.0%−6.738.1%525
49.0%
135‑137Cerebro 3.03d2478+19−1949.7%+0.330.0%1000
54.9%
138Trace 1.362476+22−2148.8%+8.626.5%765
52.0%
139‑140Green Light Chess 3.01.2.22475+38−3945.3%+31.532.9%225
49.3%
139‑140Quark 2.352475+21−2049.0%+6.629.5%821
60.8%
141Bruja 1.9.1 64-bit2471+22−2248.7%+9.526.1%712
60.0%
142Counter 1.22468+17−1748.3%+11.338.2%1119
86.5%
143Dorky 4.3 64-bit2448+30−3149.7%+0.530.4%362
56.4%
144Eeyore 1.52 64-bit2445+22−2249.5%+1.727.0%716
53.3%
145Snitch 1.6.2 64-bit2443+37−3845.4%+32.027.8%248
55.4%
146Hussar 0.42440+19−1948.1%+12.828.8%1000
55.9%
147Typhoon 1.00-3482437+37−3748.4%+11.127.8%255
61.9%
148‑149Abrok 5.02430+27−2748.5%+10.529.1%454
48.5%
148‑149PostModernist 10162430+24−2448.0%+12.828.7%579
59.7%
150Homer 2.012426+20−2049.1%+5.932.6%803
55.5%
151Gaia 3.5 64-bit2423+42−4250.7%−8.626.8%209
58.1%
152Betsabe II 1.30 64-bit2418+22−2348.8%+7.226.5%706
55.6%
153KnightDreamer 3.32415+37−3748.8%+10.332.5%243
51.8%
154‑155Ares 1.005 64-bit2414+26−2647.3%+18.533.7%499
49.4%
154‑155Muse 0.899b2414+22−2247.6%+18.127.0%730
59.4%
156Kiwi 0.6d 32-bit2410+20−2146.4%+23.627.1%861
60.7%
157‑158Diablo 0.5.12406+19−1949.5%+4.531.6%924
51.4%
157‑158Queen 4.032406+20−2048.9%+5.734.5%860
51.4%
159Shallow r688 64-bit2405+22−2250.4%−5.130.0%714
53.9%
160Dragon 4.62404+19−1946.2%+25.734.3%890
54.8%
161RomiChess P3k 32-bit2402+19−1949.2%+5.633.0%906
64.2%
162Comet B682397+24−2447.2%+19.025.5%644
50.4%
163‑164Amy 0.87b2396+26−2649.9%+4.125.7%521
51.2%
163‑164Simplex 0.9.8 32-bit2396+31−3149.3%+3.331.3%345
51.5%
165Tigran 2.4n 64-bit2395+24−2450.1%−0.631.0%604
57.5%
166pikoSzachy 3.42391+35−3548.6%+9.924.1%295
51.5%
167Patzer 3.802390+26−2649.5%+4.325.5%514
53.4%
168Ifrit m1.8 64-bit2388+24−2448.5%+13.228.4%609
60.1%
169Gosu 0.162384+21−2147.6%+17.326.7%794
53.3%
170Sorgenkind 0.42383+15−1551.8%−11.228.4%1541
52.6%
171‑172Amateur 2.822382+21−2147.0%+21.625.0%787
49.6%
171‑172Horizon 4.42382+18−1849.2%+4.926.3%1103
54.0%
173Alex 2.14a 64-bit2381+22−2251.2%−6.928.6%689
53.4%
174Sage 3.532380+18−1850.0%+0.227.9%1063
55.1%
175Jazz 721 64-bit2378+22−2249.5%+2.427.6%729
56.2%
176Thor's Hammer 2.28 32-bit2375+28−2849.5%+4.129.1%440
53.8%
177‑178OliThink 5.3.2 64-bit2373+23−2349.6%+4.125.6%695
50.9%
177‑178Waxman 20142373+32−3246.3%+24.430.3%327
51.6%
179TJchess 1.1 32-bit2372+37−3747.2%+22.427.1%247
64.6%
180Tytan 9.32363+24−2450.7%−5.225.9%633
76.0%
181Myrddin 0.86 64-bit2351+22−2249.4%+5.929.9%743
55.1%
182Plisk 0.2.7d 32-bit2349+22−2250.9%−7.825.3%719
54.3%
183Flux 2.2.12347+23−2350.2%−0.230.4%661
53.5%
184CyberPagno 2.2 64-bit2345+38−3860.1%−71.924.2%248
53.6%
185Arion 1.72343+21−2151.9%−14.927.6%836
62.1%
186WChess 1.062337+32−3347.3%+16.433.0%315
54.6%
187Donna 1.0 64-bit2334+41−4141.8%+60.824.8%214
52.5%
188K2 0.672332+30−2958.1%−54.731.1%395
53.4%
189Maverick 0.51 64-bit2331+24−2454.0%−28.025.4%642
55.6%
190Amundsen 0.802329+20−2047.5%+17.729.9%825
50.9%
191Aice 0.99.22328+21−2147.2%+20.426.3%787
53.7%
192EveAnn 1.712326+34−3547.5%+18.532.9%280
51.7%
193Asterisk 0.62325+21−2048.9%+7.427.2%837
66.7%
194Bagatur 1.3a 64-bit2319+20−2053.4%−26.727.3%855
55.3%
195‑196Averno 0.812317+24−2449.2%+4.327.5%586
48.1%
195‑196KnightX 1.922317+23−2349.7%+1.727.6%641
52.5%
197‑198Butcher 1.61 64-bit2316+34−3444.7%+41.024.9%301
49.6%
197‑198Gibbon 2.60a 64-bit2316+27−2749.0%+5.429.2%473
63.8%
199‑200ECE 12.012310+22−2248.5%+9.824.6%752
50.5%
199‑200Sungorus 1.4 64-bit2310+31−3147.8%+15.524.1%378
51.5%
201Mediocre 0.42309+34−3450.8%−7.024.3%305
53.9%
202Popochin 2.92307+31−3147.4%+21.930.4%372
63.1%
203Natwarlal 0.142300+21−2148.4%+12.124.2%827
53.8%
204Zeus 1.272298+33−3351.1%−13.124.2%356
54.8%
205Chezzz 1.0.32296+24−2449.8%−0.825.6%617
51.1%
206‑207Ant 2006-F2295+24−2548.5%+9.023.8%617
51.0%
206‑207Joker 1.1.142295+22−2250.6%−5.127.8%730
57.1%
208Matilde 2008 64-bit2291+37−3750.2%−1.427.7%256
56.9%
209Anechka 0.082287+20−2046.6%+26.326.2%920
55.3%
210Nemeton 1.02285+31−3153.6%−26.327.7%357
55.3%
211‑212AliChess 4.252282+23−2349.9%−1.024.4%679
49.3%
211‑212Chaturanga 2.4.32282+25−2550.3%−2.327.1%569
63.7%
213FireFly 2.7.0 64-bit2276+25−2549.6%+1.330.4%569
62.6%
214Orion 0.2 64-bit2270+25−2548.3%+11.827.7%545
72.9%
215Chispa 4.0.32260+21−2149.4%+3.827.5%800
53.4%
216Fischerle 0.9.60 64-bit2258+33−3346.4%+27.223.2%336
70.7%
217‑218Protej 0.5.8c2246+30−3045.7%+31.223.9%394
48.4%
217‑218RattateChess 1.0 Nosferatu2246+22−2249.2%+8.328.2%692
54.1%
219MadChess 1.4 64-bit2245+24−2447.5%+16.629.1%604
54.7%
220Beowulf 2.4a 64-bit2243+22−2252.6%−20.224.6%735
51.8%
221Ayito 0.2.9942242+24−2448.3%+10.622.6%624
54.8%
222Absolute Zero 2.4.0.0 64-bit2240+26−2649.6%+2.124.3%547
50.8%
223Lozza 1.14a 64-bit2239+37−3740.8%+66.629.6%250
53.3%
224Mango Paola Ajedrez 1.02237+37−3848.9%+6.620.0%270
54.3%
225Buzz 0.08 64-bit2234+37−3849.0%+6.823.8%248
53.6%
226Atak 6.82232+20−2047.3%+19.422.8%883
52.5%
227Exacto 0.e 64-bit2231+24−2448.4%+12.133.4%581
52.3%
228Feuerstein 0.4.6.12230+19−1949.1%+6.128.5%939
66.1%
229Dolphin 1.02224+22−2250.3%−5.125.1%724
57.5%
230KMTChess 1.2.1 64-bit2221+26−2649.5%+2.423.4%548
54.3%
231ChessAlex 2.0r42219+24−2449.1%+2.729.7%607
55.4%
232Bearded N44.22216+36−3651.1%−7.925.4%268
58.4%
233Uralochka 1.1b2211+20−2049.6%+2.726.1%889
51.6%
234ChessKISS 1.7 64-bit2210+22−2249.5%+0.229.7%745
59.8%
235Adam 3.32206+21−2150.5%−3.922.2%807
62.8%
236ZCT 0.3.24512201+27−2749.4%+3.625.5%478
56.7%
237Neurosis 2.52198+17−1749.1%+6.628.6%1218
66.8%
238BlackBishop 1.02192+18−1948.9%+8.527.3%1034
53.4%
239Carballo 0.82191+22−2247.2%+19.130.6%706
54.4%
240Latista (Sinobyl) 1.52189+29−2949.1%+3.125.2%441
51.6%
241NG-Play 9.85 64-bit2188+34−3449.2%+6.128.5%298
51.8%
242Alf 1.092187+24−2449.3%+1.930.9%618
58.1%
243ProChess 1.02AD2184+21−2148.8%+3.523.4%819
52.4%
244OBender 3.2.4.22183+20−2049.9%+1.725.4%899
58.7%
245Chesley r323 64-bit2177+41−4148.1%+15.022.9%210
56.9%
246Kurt 0.9.2.2 64-bit2173+26−2649.5%+4.122.6%553
63.1%
247NagaSkaki 5.122167+20−2050.6%−4.828.0%876
65.6%
248Lime 662161+23−2250.2%−2.721.1%729
89.6%
249KnockOut 0.7.12144+16−1651.8%−13.526.7%1416
90.8%
250Prophet 2.0 32-bit2127+19−1949.3%+4.523.9%1019
52.0%
251Parrot 07.01.162126+32−3246.0%+30.021.5%354
65.7%
252Napoleon 1.5.0 64-bit2117+30−3043.2%+48.825.0%404
72.6%
253Clarabit 1.00 32-bit2105+22−2247.6%+14.229.9%736
98.5%
254BikJump 2.01 32-bit2074+18−1850.3%−2.027.3%1062
88.0%
255BigLion 2.23x2058+20−2145.5%+32.027.4%848
84.4%
256PLP 16615712041+24−2446.2%+27.124.2%604
55.9%
257Jabba 1.0 32-bit2039+24−2446.6%+24.426.9%603
69.7%
258Matheus 2.32029+25−2545.1%+38.022.7%599
55.4%
259Mustang 4.972027+27−2743.9%+40.930.8%484
61.2%
260Monarch 1.72022+22−2245.9%+39.519.5%858
53.0%
261Bubble 1.52021+22−2244.5%+41.221.4%803
53.3%
262Slibo 0.5.12019+26−2645.5%+33.919.4%573
68.1%
263Cupcake 1.1a2009+35−3546.5%+28.215.0%333
60.5%
264ChessMind 0.822003+26−2645.9%+29.817.1%580
56.7%
265BibiChess 0.52000+28−2848.2%+13.124.0%480
66.4%
266BSC 3.91989+37−3745.1%+38.324.0%263
55.9%
267Schola 1.1.0 32-bit1986+27−2745.7%+31.526.0%480
75.4%
268Zeta Dva 0220 64-bit1970+36−3644.0%+48.716.9%301
51.0%
269Dabbaba 5.671969+39−3942.9%+52.721.4%248
51.6%
270Heracles 0.6.161968+26−2646.2%+27.928.0%535
58.9%
271Marvin 1.3.01964+25−2544.6%+39.921.9%606
57.4%
272AdroitChess 0.31960+33−3343.2%+56.119.1%351
60.6%
273Rival 1.181954+26−2646.6%+24.025.0%531
54.2%
274Monik 2.2.3 32-bit1952+32−3245.9%+28.127.5%345
55.6%
275Soldat III 0.172 32-bit1949+33−3340.0%+80.517.2%379
66.6%
276Smash 1.0.31939+26−2640.8%+74.517.8%574
60.2%
277MatMoi 7.15.0-cct 32-bit1934+25−2542.7%+55.324.5%568
58.5%
278Micro-Max 4.8 (DM-PII)1930+25−2648.6%+11.425.1%541
81.0%
279Reger 0.091913+25−2541.0%+67.921.6%606
73.1%
280Clueless 1.41903+23−2340.4%+76.217.2%762
59.2%
281Warrior 1.0.31899+24−2544.5%+41.023.6%606
61.3%
282GChess IV 0.2.01894+26−2640.6%+69.528.3%515
71.3%
283Surprise 4.3b131882+29−3038.9%+88.119.1%446
89.4%
284Predateur 2.2 64-bit1851+41−4239.6%+78.918.1%216
65.1%
285BeRoChess 1.00 32-bit1839+37−3837.4%+98.122.9%266
96.7%
286Ziggurat 0.18 64-bit1788+41−4329.3%+161.124.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Stockfish 6 64-bit 4CPU3315 39 − 31
+13−5=52
+18
55.5 − 26.5
+32−3=47
+58
51.5 − 30.5
+25−4=53
−22
18.5 − 13.5
+8−3=21
−64
23 − 9
+14−0=18
+1
23 − 7
+16−0=14
+23
25 − 7
+19−1=12
+33
23.5 − 6.5
+17−0=13
+22
20 − 10
+12−2=16
−75
20.5 − 7.5
+14−1=13
−44
 
2Komodo 8 64-bit 4CPU330431 − 39
+5−13=52
−18
 59 − 45
+32−18=54
+7
24.5 − 10.5
+16−2=17
+41
35 − 15
+21−1=28
+16
33 − 17
+17−1=32
−28
43 − 17
+27−1=32
−3
35 − 15
+20−0=30
−30
37 − 11
+27−1=20
+29
40.5 − 11.5
+30−1=21
+19
 38.5 − 10.5
+31−3=15
+14
3Houdini 4 64-bit 4CPU327226.5 − 55.5
+3−32=47
−58
45 − 59
+18−32=54
−7
 28.5 − 21.5
+16−9=25
−8
20 − 14
+13−7=14
−8
21 − 11
+11−1=20
+3
44.5 − 16.5
+30−2=29
+43
23 − 11
+16−4=14
+2
25.5 − 7.5
+19−1=13
+67
34 − 13
+23−2=22
+7
  
4Fire 4 64-bit 4CPU322430.5 − 51.5
+4−25=53
+22
10.5 − 24.5
+2−16=17
−41
21.5 − 28.5
+9−16=25
+8
 16 − 16
+4−4=24
−15
 37 − 23
+19−5=36
+16
  19 − 13
+11−5=16
−24
  
5Gull 2.8b 64-bit 4CPU320713.5 − 18.5
+3−8=21
+64
15 − 35
+1−21=28
−16
14 − 20
+7−13=14
+8
16 − 16
+4−4=24
+15
  18.5 − 15.5
+9−6=19
−6
 1 − 1
+0−0=2
−49
21.5 − 12.5
+13−4=17
+13
  
6Equinox 3.20 64-bit 4CPU31899 − 23
+0−14=18
−1
17 − 33
+1−17=32
+28
11 − 21
+1−11=20
−3
   15 − 17
+3−5=24
−27
 17 − 15
+4−2=26
−14
20.5 − 11.5
+10−1=21
+30
  
7Critter 1.6a 64-bit 4CPU31757 − 23
+0−16=14
−23
17 − 43
+1−27=32
+3
16.5 − 44.5
+2−30=29
−43
23 − 37
+5−19=36
−16
15.5 − 18.5
+6−9=19
+6
17 − 15
+5−3=24
+27
 24.5 − 25.5
+9−10=31
−19
17 − 15
+5−3=24
−1
21 − 13
+9−1=24
+30
 32.5 − 22.5
+13−3=39
−11
8Rybka 4 64-bit 4CPU31617 − 25
+1−19=12
−33
15 − 35
+0−20=30
+30
11 − 23
+4−16=14
−2
   25.5 − 24.5
+10−9=31
+19
 15.5 − 14.5
+5−4=21
+6
18 − 14
+11−7=14
+20
  
9Bouquet 1.8 64-bit 4CPU31586.5 − 23.5
+0−17=13
−22
11 − 37
+1−27=20
−29
7.5 − 25.5
+1−19=13
−67
 1 − 1
+0−0=2
+49
15 − 17
+2−4=26
+14
15 − 17
+3−5=24
+1
14.5 − 15.5
+4−5=21
−6
 1 − 1
+0−0=2
−15
  
10BlackMamba 2.0 64-bit 4CPU314310 − 20
+2−12=16
+75
11.5 − 40.5
+1−30=21
−19
13 − 34
+2−23=22
−7
13 − 19
+5−11=16
+24
12.5 − 21.5
+4−13=17
−13
11.5 − 20.5
+1−10=21
−30
13 − 21
+1−9=24
−30
14 − 18
+7−11=14
−20
1 − 1
+0−0=2
+15
 10 − 10
+4−4=12
−17
 
11Texel 1.05 64-bit 4CPU31267.5 − 20.5
+1−14=13
+44
        10 − 10
+4−4=12
+17
  
12Strelka 5.5 64-bit3116 10.5 − 38.5
+3−31=15
−14
    22.5 − 32.5
+3−13=39
+11
     
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 4CPU3315 80.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Komodo 8 64-bit 4CPU330419.8 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 4 64-bit 4CPU32720.00.1 99.9100.0100.0100.0100.0100.0100.0100.0100.0
4Fire 4 64-bit 4CPU32240.00.00.1 83.997.5100.0100.0100.0100.0100.0100.0
5Gull 2.8b 64-bit 4CPU32070.00.00.016.1 86.699.5100.0100.0100.0100.0100.0
6Equinox 3.20 64-bit 4CPU31890.00.00.02.513.4 86.197.898.799.999.8100.0
7Critter 1.6a 64-bit 4CPU31750.00.00.00.00.513.9 95.796.899.899.5100.0
8Rybka 4 64-bit 4CPU31610.00.00.00.00.02.24.3 62.393.596.4100.0
9Bouquet 1.8 64-bit 4CPU31580.00.00.00.00.01.33.237.7 88.294.5100.0
10BlackMamba 2.0 64-bit 4CPU31430.00.00.00.00.00.10.26.511.8 79.698.7
11Texel 1.05 64-bit 4CPU31260.00.00.00.00.00.20.53.65.520.4 70.0
12Strelka 5.5 64-bit31160.00.00.00.00.00.00.00.00.01.330.0 
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

565'402 games (108.34 MB)

All games with comments

565'402 games (339.03 MB)

Selection of games

(Please don't use aggressive download managers)

Various statistics


Created in 2005-2013 by CCRL team
Last games added on February 23, 2015