CCRL 40/40
Downloads and Statistics
February 28, 2015
Testing summary:
Total: 566'562 games
played by 1'595 programs
78033 CPU days (X2 4600+)

White wins: 198'383 (35.0%)
Black wins: 146'850 (25.9%)
Draws: 221'329 (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 February 28, 2015 with Bayeselo based on 566'562 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 4CPU3311+20−2069.6%−120.454.2%784 
73.8%
2Komodo 8 64-bit 4CPU3303+16−1670.1%−129.249.0%1286
99.9%
3Houdini 4 64-bit 4CPU3271+14−1462.9%−82.249.0%1628
100.0%
4Fire 4 64-bit 4CPU3219+25−2547.8%+11.962.7%437
78.4%
5Gull 2.8b 64-bit 4CPU3206+22−2254.2%−28.953.6%606
86.5%
6Equinox 3.20 64-bit 4CPU3188+23−2350.6%−3.765.9%516
84.4%
7Critter 1.6a 64-bit 4CPU3175+10−1053.6%−22.858.5%3124
95.9%
8Rybka 4 64-bit 4CPU3161+12−1256.0%−39.749.7%2080
62.4%
9Bouquet 1.8 64-bit 4CPU3158+15−1548.3%+11.659.4%1201
89.8%
10BlackMamba 2.0 64-bit 4CPU3142+19−1943.6%+38.256.1%802
82.4%
11Texel 1.05 64-bit 4CPU3124+33−3349.6%+5.652.9%263
66.0%
12Strelka 5.5 64-bit3116+10−955.2%−31.257.0%3545
51.7%
13Hannibal 1.5 64-bit 4CPU3115+35−3551.8%−11.058.6%227
67.6%
14Naum 4.6 64-bit 4CPU3106+18−1844.7%+32.754.3%889
73.4%
15Chiron 2 64-bit 4CPU3098+16−1640.2%+63.946.3%1226
74.8%
16Protector 1.7.0 64-bit 4CPU3090+20−2043.0%+43.650.4%754
55.5%
17Deep Fritz 14 64-bit 4CPU3088+17−1741.2%+55.055.9%1053
79.7%
18NirvanaChess 2.0a 64-bit 4CPU3071+35−3542.9%+47.351.5%239
53.2%
19Hiarcs 14 4CPU3069+14−1441.1%+54.451.4%1474
98.5%
20Deep Junior Yokohama 64-bit 4CPU3043+20−2043.2%+40.245.9%826
70.4%
21Senpai 1.0 64-bit 4CPU3034+26−2645.9%+23.652.4%437
52.0%
22Spike 1.4 Leiden 4CPU3033+12−1243.5%+40.347.1%2308
57.7%
23Deep Shredder 12 64-bit 4CPU3031+11−1148.4%+10.446.0%2600
100.0%
24Zappa Mexico II 64-bit 4CPU2980+10−1048.7%+7.448.1%3198
57.1%
25Spark 1.0 64-bit 4CPU2979+16−1642.6%+47.646.3%1259
78.5%
26Andscacs 0.72 64-bit2964+32−3254.7%−29.946.6%296
61.6%
27Gaviota 1.0 64-bit 4CPU2957+31−3148.0%+12.945.1%319
71.8%
28Onno 1.2.70 64-bit 4CPU2946+22−2248.4%+10.746.2%621
52.6%
29Deep Sjeng c't 20102945+11−1145.3%+29.945.7%2847
62.4%
30Thinker 5.4d Inert 64-bit 4CPU2940+25−2549.2%+4.250.9%462
56.7%
31Toga II 3.0 4CPU2937+31−3247.5%+16.647.7%300
76.9%
32Crafty 23.8 64-bit 4CPU2920+34−3447.8%+14.747.0%251
52.9%
33SmarThink 1.70 64-bit2918+22−2249.2%+5.740.7%648
57.5%
34DiscoCheck 5.2 64-bit2915+21−2150.8%−6.344.2%742
57.1%
35Quazar 0.4 64-bit2913+13−1349.8%+1.643.2%1862
56.4%
36MinkoChess 1.3 64-bit 4CPU2910+26−2649.8%−1.045.5%440
53.6%
37Cheng4 0.36c 64-bit 4CPU2908+36−3648.7%+7.646.2%234
54.2%
38Tornado 4.88 64-bit 4CPU2906+29−2950.5%−5.342.5%372
53.9%
39Bright 0.4a 4CPU2904+15−1549.7%+2.940.5%1431
52.7%
40Booot 5.2.0 64-bit2903+16−1649.0%+8.343.0%1243
58.6%
41‑42Deuterium 14.3.34.130 64-bit2901+21−2150.7%−5.746.8%677
48.8%
41‑42Fizbo 1.31 64-bit2901+26−2648.1%+12.948.3%447
56.0%
43Scorpio 2.7.6 64-bit 4CPU2898+32−3249.5%+3.843.3%298
67.6%
44iCE 2.0 64-bit2888+22−2252.1%−15.341.2%680
60.4%
45‑46EXchess 7.18b 64-bit 4CPU2882+35−3546.7%+20.837.9%256
50.0%
45‑46Vajolet2 1.44 64-bit2882+31−3052.5%−16.946.1%323
67.5%
47Arasan 16.3 64-bit 4CPU2871+36−3649.0%+5.041.9%246
74.0%
48Nemo 1.0.1 64-bit2857+15−1549.6%+1.843.1%1382
57.1%
49Loop M1-T 64-bit 4CPU2855+12−1243.2%+43.645.2%2447
56.2%
50Octochess r5190 64-bit 4CPU2853+30−3045.3%+28.642.9%340
66.7%
51Atlas 3.80 64-bit2841+39−3953.7%−25.643.1%202
53.9%
52DisasterArea 1.54 64-bit2839+29−2948.1%+13.741.1%360
55.2%
53BugChess2 1.9 64-bit 4CPU2836+30−3146.8%+14.837.6%364
62.8%
54Murka 3 64-bit2830+16−1749.8%+1.142.2%1165
52.4%
55Jonny 4.00 4CPU2829+31−3145.2%+22.734.1%355
63.1%
56GNU Chess 5.60 64-bit2821+28−2850.6%−8.139.4%411
81.7%
57Rodent 1.6 64-bit2802+31−3149.0%+8.037.6%338
86.3%
58Frenzee 3.5.19 64-bit2782+18−1849.9%+1.534.4%1070
66.5%
59Naraku 1.42777+19−1949.7%+1.224.3%948
63.2%
60Dirty 20Apr2013 64-bit2772+17−1748.7%+8.436.9%1213
61.4%
61Rhetoric 1.4.1 64-bit2768+24−2451.7%−11.337.8%582
52.2%
62Twisted Logic 20100131x 64-bit2767+21−2151.7%−13.934.7%779
59.1%
63Alfil 13.1 64-bit 4CPU2762+40−4044.3%+26.134.0%212
52.3%
64Bison 9.11 64-bit2760+20−2049.4%+3.734.4%820
66.6%
65Ktulu 92755+13−1345.9%+26.438.6%1905
83.5%
66Chronos 1.9.9 64-bit2745+15−1550.2%−0.938.4%1412
72.8%
67Pedone 1.0 64-bit2735+29−2953.9%−29.035.6%402
59.6%
68Godel 3.4.9 64-bit2731+18−1849.8%+1.235.2%997
62.6%
69‑70Bobcat 3.25 64-bit2727+17−1749.2%+4.739.4%1145
48.5%
69‑70Delfi 5.4 2CPU2727+19−1940.4%+67.335.7%1017
59.7%
71Chessmaster 11 2CPU2722+35−3547.5%+16.239.4%259
58.2%
72Hakkapeliitta 2.0 64-bit2717+31−3141.9%+53.633.7%356
71.0%
73ProDeo 1.862705+30−3049.0%+4.536.9%360
52.0%
74Chess Tiger 2007.12704+10−1045.3%+31.042.5%3273
99.6%
75Daydreamer 1.75 64-bit2677+18−1847.3%+18.840.5%1026
58.2%
76Tucano 5.00 64-bit2674+24−2448.7%+6.341.2%551
66.8%
77Movei 00.8.438 (10 10 10)2668+11−1247.2%+16.237.7%2646
53.7%
78RedQueen 1.1.3 64-bit2666+31−3146.7%+21.131.1%350
62.5%
79Alaric 7072661+12−1249.1%+5.934.4%2596
66.1%
80Pawny 1.0 64-bit2657+17−1848.3%+9.237.8%1071
55.8%
81The Baron 2.23 64-bit2654+23−2350.1%−1.833.4%605
57.2%
82‑83Djinn 1.010 64-bit2651+30−3049.7%+3.934.2%365
50.6%
82‑83Philou 3.7.1 64-bit2651+16−1649.8%+0.436.3%1274
57.4%
84E.T. Chess 13.01.082649+14−1449.2%+4.237.0%1730
51.6%
85Pharaon 3.5.1 4CPU2648+34−3435.0%+97.336.4%297
52.2%
86Cyrano 0.6b17 32-bit2647+15−1547.9%+12.941.1%1515
67.2%
87Colossus 2008b2642+13−1348.7%+9.038.0%2068
64.3%
88Slow Chess Blitz WV2.12639+12−1248.2%+12.436.9%2515
67.7%
89Sjakk 2.2 64-bit2632+28−2852.7%−19.840.9%406
56.0%
90Gandalf 62630+11−1146.2%+25.535.7%2628
53.2%
91WildCat 82629+14−1449.0%+5.635.2%1806
51.9%
92Rotor 0.7a2628+26−2649.9%−0.332.4%478
53.8%
93‑94Hamsters 0.72626+27−2749.6%+3.138.5%421
51.2%
93‑94Ruffian 2.1.02626+14−1446.9%+21.937.3%1787
81.5%
95Nebula 2.0 64-bit2615+18−1850.2%−0.533.5%997
62.0%
96Sloppy 0.2.2 64-bit2611+21−2149.6%+2.430.8%754
71.5%
97NoraGrace 2.0 64-bit2599+36−3561.9%−87.623.2%298
51.9%
98‑99Aristarch 4.502598+12−1247.5%+17.932.0%2367
49.0%
98‑99Rodin 7.02598+23−2348.9%+8.733.0%655
58.4%
100Petir 4.392595+23−2349.4%+1.437.3%638
52.5%
101Glass 2.0 64-bit2594+18−1849.9%+1.235.3%1040
60.0%
102‑103N2 0.4 64-bit2591+17−1750.5%−4.235.1%1123
49.9%
102‑103Pseudo 0.7c2591+13−1350.5%−3.837.4%1846
58.6%
104‑105Amyan 1.722589+13−1350.9%−6.331.0%2081
49.2%
104‑105CuckooChess 1.12 32-bit2589+27−2747.8%+16.030.4%481
56.5%
106GreKo 12.1 64-bit2585+33−3354.6%−33.131.8%302
66.9%
107‑108Capivara LK 0.09b02f 64-bit2576+29−2952.6%−18.232.8%384
50.1%
107‑108GarboChess 3.0 64-bit2576+20−2050.8%−4.530.9%868
70.3%
109Jellyfish 1.02567+26−2650.9%−8.537.8%484
51.5%
110Brutus 8.05 64-bit2566+33−3346.2%+23.434.8%299
58.8%
111DanaSah 5.072561+19−1950.2%−1.838.1%893
53.5%
112Francesca MAD 0.192560+17−1747.1%+20.833.0%1185
52.5%
113‑114Arminius 2013-08-10 64-bit2559+31−3247.3%+19.627.0%352
49.9%
113‑114SOS 5.12559+14−1447.8%+13.334.1%1790
62.9%
115Anaconda 2.0.12554+27−2747.9%+12.335.2%458
73.4%
116Cheese 1.6.1 64-bit2543+23−2346.7%+21.136.5%633
56.4%
117‑118AnMon 5.662540+23−2350.3%−1.931.0%658
49.5%
117‑118Ufim 8.022540+13−1349.3%+3.431.1%2041
71.3%
119nanoSzachy 4.0 64-bit2533+21−2148.1%+12.831.7%773
52.6%
120Phalanx XXIV2532+33−3351.9%−16.927.8%316
79.3%
121Hermann 2.8 64-bit2515+21−2148.4%+11.826.9%813
59.6%
122Nimzo 82511+27−2845.5%+33.432.2%453
61.0%
123Little Goliath Evolution 3.122506+18−1846.5%+24.033.5%1015
52.9%
124Delphil 3.2 64-bit2505+32−3252.9%−19.034.2%333
59.0%
125Tao 5.62501+17−1749.6%+2.827.1%1194
57.9%
126LittleThought 1.052 64-bit2498+20−2049.3%+3.924.7%863
66.4%
127‑128JikChess 0.01 64-bit2489+34−3450.5%−6.626.6%312
51.1%
127‑128Pupsi2 0.092489+22−2249.3%+4.730.0%736
58.1%
129‑130Ghost 2.0.2 64-bit2485+34−3450.2%−2.128.7%293
50.1%
129‑130Yace 0.99.872485+19−1850.0%+0.128.1%1007
56.3%
131Xpdnt 0910072483+16−1649.3%+4.032.0%1355
52.2%
132Pepito 1.59 64-bit2482+27−2749.0%+3.537.7%432
53.2%
133‑134Matacz 1.32480+29−2947.4%+17.833.0%382
50.9%
133‑134SpiderChess 0706032480+23−2350.1%+1.739.6%604
54.4%
135‑137Anatoli 0.35k2478+17−1750.4%−4.131.9%1254
50.6%
135‑137BBChess 1.3b2478+25−2551.0%−6.638.1%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
51.8%
139‑140Green Light Chess 3.01.2.22475+38−3945.3%+31.632.9%225
49.6%
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
59.8%
142Counter 1.22468+17−1748.3%+11.338.2%1119
86.5%
143Dorky 4.3 64-bit2448+30−3149.7%+0.630.4%362
56.4%
144Eeyore 1.52 64-bit2445+22−2249.5%+1.727.0%716
53.8%
145Snitch 1.6.2 64-bit2443+37−3845.4%+31.727.8%248
54.7%
146Hussar 0.42440+19−1948.1%+12.928.8%1000
56.0%
147Typhoon 1.00-3482437+37−3748.4%+11.127.8%255
60.9%
148‑149Abrok 5.02430+27−2748.6%+10.329.2%456
49.7%
148‑149PostModernist 10162430+24−2448.0%+12.828.7%579
59.6%
150Homer 2.012426+20−2149.1%+6.032.6%803
59.4%
151Gaia 3.5 64-bit2421+42−4250.5%−6.927.0%211
54.5%
152Betsabe II 1.30 64-bit2418+23−2348.8%+7.126.5%706
55.3%
153KnightDreamer 3.32415+37−3748.8%+10.332.5%243
51.5%
154Muse 0.899b2414+22−2247.6%+18.127.0%730
53.7%
155Ares 1.005 64-bit2412+26−2646.9%+22.233.8%503
54.6%
156Kiwi 0.6d 32-bit2410+20−2046.4%+23.627.1%861
60.7%
157Diablo 0.5.12407+19−1949.5%+3.631.6%924
51.4%
158‑159Queen 4.032406+20−2048.9%+5.834.5%860
49.6%
158‑159Shallow r688 64-bit2406+22−2250.5%−6.029.9%728
55.8%
160Dragon 4.62404+19−1946.2%+25.734.3%890
54.7%
161RomiChess P3k 32-bit2402+19−1949.2%+5.633.0%906
64.2%
162Comet B682397+24−2447.2%+19.125.5%644
50.4%
163‑164Amy 0.87b2396+26−2649.9%+4.225.7%521
51.3%
163‑164Simplex 0.9.8 32-bit2396+31−3149.3%+3.331.3%345
51.8%
165Tigran 2.4n 64-bit2395+24−2450.0%−0.530.7%618
57.2%
166pikoSzachy 3.42391+35−3548.6%+10.124.1%295
51.4%
167Patzer 3.802390+26−2649.5%+4.525.5%514
53.8%
168Ifrit m1.8 64-bit2388+24−2448.5%+13.228.4%609
59.8%
169Gosu 0.162384+21−2147.6%+17.326.7%794
53.1%
170Sorgenkind 0.42383+15−1551.8%−11.128.4%1541
52.7%
171‑172Amateur 2.822382+21−2147.0%+21.625.0%787
49.7%
171‑172Horizon 4.42382+18−1849.2%+4.926.3%1103
53.5%
173Alex 2.14a 64-bit2381+22−2251.2%−6.628.8%691
53.9%
174Sage 3.532380+18−1850.0%+0.227.9%1063
55.3%
175‑176Jazz 721 64-bit2378+22−2249.5%+2.427.6%729
48.7%
175‑176Waxman 20142378+31−3247.1%+20.030.8%341
56.3%
177Thor's Hammer 2.28 32-bit2375+28−2849.5%+4.129.1%440
53.7%
178OliThink 5.3.2 64-bit2373+23−2349.6%+4.325.5%697
53.1%
179TJchess 1.1 32-bit2371+37−3747.2%+23.327.1%247
64.3%
180Tytan 9.32363+24−2450.7%−5.225.9%633
64.6%
181CyberPagno 2.2 64-bit2355+37−3760.0%−72.722.9%266
56.1%
182Myrddin 0.86 64-bit2351+22−2249.4%+5.929.9%743
54.6%
183Plisk 0.2.7d 32-bit2349+22−2250.9%−7.725.3%719
54.4%
184Flux 2.2.12347+23−2350.2%−0.230.4%661
60.3%
185Arion 1.72343+21−2151.9%−14.927.6%836
62.0%
186WChess 1.062337+32−3347.3%+16.433.0%315
54.1%
187Donna 1.0 64-bit2335+39−4042.0%+58.824.6%232
52.1%
188K2 0.672333+30−3058.1%−55.030.7%391
59.7%
189Amundsen 0.802329+20−2047.5%+17.729.9%825
51.0%
190‑191Aice 0.99.22328+21−2147.2%+20.426.3%787
50.2%
190‑191Maverick 0.51 64-bit2328+23−2353.3%−22.424.8%658
53.6%
192EveAnn 1.712326+34−3547.5%+18.332.9%280
51.5%
193Asterisk 0.62325+21−2048.9%+7.427.2%837
67.4%
194Bagatur 1.3a 64-bit2319+20−2053.3%−26.527.2%859
54.6%
195‑196Averno 0.812317+24−2449.2%+4.327.5%586
48.1%
195‑196KnightX 1.922317+23−2349.7%+1.727.6%641
52.4%
197Butcher 1.61 64-bit2316+34−3444.7%+41.024.9%301
53.9%
198Gibbon 2.60a 64-bit2314+27−2748.4%+9.729.0%490
58.8%
199‑200ECE 12.012310+22−2248.5%+9.824.6%752
50.4%
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%+21.830.4%372
63.1%
203Natwarlal 0.142300+21−2148.4%+12.124.2%827
54.0%
204Zeus 1.272298+33−3351.1%−13.224.2%356
54.6%
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%−5.027.8%730
57.4%
208Matilde 2008 64-bit2291+37−3750.2%−1.427.7%256
56.3%
209‑210Anechka 0.082287+20−2046.6%+26.526.2%920
50.8%
209‑210Nemeton 1.02287+31−3154.0%−28.227.5%353
59.9%
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+24−2449.7%+0.530.4%582
62.5%
214Orion 0.2 64-bit2270+25−2548.5%+11.227.4%558
73.2%
215‑216Chispa 4.0.32260+21−2149.4%+3.927.5%800
48.7%
215‑216Fischerle 0.9.60 64-bit2260+32−3247.0%+23.822.5%347
75.2%
217RattateChess 1.0 Nosferatu2246+22−2249.2%+8.328.2%692
56.5%
218MadChess 1.4 64-bit2244+24−2447.4%+17.528.8%615
52.3%
219Beowulf 2.4a 64-bit2243+22−2252.6%−20.124.6%735
51.8%
220Ayito 0.2.9942242+24−2448.3%+10.622.6%624
52.6%
221Protej 0.5.8c2241+30−3045.2%+34.923.4%406
55.9%
222Absolute Zero 2.4.0.0 64-bit2238+25−2549.4%+3.924.3%559
51.6%
223Mango Paola Ajedrez 1.02237+37−3848.9%+6.420.0%270
52.4%
224Lozza 1.14a 64-bit2235+37−3740.7%+68.428.2%252
51.9%
225Buzz 0.08 64-bit2234+38−3849.0%+6.523.8%248
51.3%
226Exacto 0.e 64-bit2233+24−2448.7%+9.733.1%593
52.4%
227Atak 6.82232+20−2047.3%+19.522.8%883
55.3%
228Feuerstein 0.4.6.12230+19−1949.1%+6.128.5%939
65.9%
229Dolphin 1.02224+22−2250.3%−5.025.1%724
57.8%
230KMTChess 1.2.1 64-bit2221+26−2649.5%+2.523.4%548
53.6%
231ChessAlex 2.0r42219+24−2449.1%+3.129.7%607
56.0%
232Bearded N44.22216+36−3651.1%−7.825.4%268
58.4%
233Uralochka 1.1b2211+20−2049.6%+2.726.1%889
51.4%
234ChessKISS 1.7 64-bit2210+22−2249.5%+0.429.7%745
59.5%
235Adam 3.32207+21−2150.5%−4.522.2%807
63.2%
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%+8.627.3%1034
54.1%
239Carballo 0.82191+22−2247.2%+18.930.6%706
53.9%
240Latista (Sinobyl) 1.52189+29−2949.1%+3.125.2%441
54.0%
241‑242Alf 1.092187+24−2449.3%+1.830.9%618
50.1%
241‑242NG-Play 9.85 64-bit2187+34−3449.2%+6.128.5%298
56.7%
243ProChess 1.02AD2184+21−2148.8%+3.423.4%819
51.9%
244OBender 3.2.4.22183+20−2049.9%+1.725.4%899
58.9%
245Chesley r323 64-bit2177+41−4148.1%+14.922.9%210
56.8%
246Kurt 0.9.2.2 64-bit2173+26−2649.5%+4.122.6%553
63.0%
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%+4.623.9%1019
52.1%
251Parrot 07.01.162126+32−3246.0%+30.021.5%354
66.1%
252Napoleon 1.5.0 64-bit2116+30−3043.2%+49.625.0%404
72.1%
253Clarabit 1.00 32-bit2105+22−2247.6%+14.229.9%736
98.5%
254BikJump 2.01 32-bit2074+18−1850.3%−1.927.3%1062
88.0%
255BigLion 2.23x2058+20−2145.5%+32.127.4%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%+38.122.7%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
68.3%
263Cupcake 1.1a2009+35−3546.5%+28.115.0%333
60.3%
264ChessMind 0.822003+26−2645.9%+29.917.1%580
56.7%
265BibiChess 0.52000+28−2848.2%+13.224.0%480
66.4%
266BSC 3.91989+37−3745.1%+38.424.0%263
55.9%
267Schola 1.1.0 32-bit1986+27−2745.7%+31.626.0%480
75.5%
268Zeta Dva 0220 64-bit1970+36−3644.0%+48.716.9%301
51.0%
269Dabbaba 5.671969+39−3942.9%+52.721.4%248
51.5%
270Heracles 0.6.161968+26−2646.2%+27.928.0%535
58.9%
271Marvin 1.3.01964+25−2544.6%+39.921.9%606
57.5%
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
55.7%
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
59.3%
281Warrior 1.0.31899+24−2544.5%+41.023.6%606
61.4%
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)
#NameElo1
Stock
2
Komod
3
Houdi
4
Fire
5
Gull
6
Equin
7
Critt
8
Rybka
9
Bouqu
10
Black
11
Texel
12
Strel
1Stockfish 6 64-bit 4CPU3311 45 − 35
+15−5=60
+24		62 − 30
+35−3=54
+59		56 − 34
+27−5=58
−26		18.5 − 13.5
+8−3=21
−61		23 − 9
+14−0=18
+4		28 − 10
+18−0=20
+2		25 − 7
+19−1=12
+37		29 − 9
+20−0=18
+7		25.5 − 12.5
+15−2=21
−70		27 − 9
+19−1=16
−28		 
2Komodo 8 64-bit 4CPU330335 − 45
+5−15=60
−24		 59 − 45
+32−18=54
+7		24.5 − 10.5
+16−2=17
+37		35 − 15
+21−1=28
+16		33 − 17
+17−1=32
−28		43 − 17
+27−1=32
−2		35 − 15
+20−0=30
−29		37 − 11
+27−1=20
+30		40.5 − 11.5
+30−1=21
+19		 38.5 − 10.5
+31−3=15
+15
3Houdini 4 64-bit 4CPU327130 − 62
+3−35=54
−59		45 − 59
+18−32=54
−7		 28.5 − 21.5
+16−9=25
−12		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 4CPU321934 − 56
+5−27=58
+26		10.5 − 24.5
+2−16=17
−37		21.5 − 28.5
+9−16=25
+12		 16 − 16
+4−4=24
−11		 37 − 23
+19−5=36
+21		  19 − 13
+11−5=16
−20		1 − 0
+1−0=0
+INF		 
5Gull 2.8b 64-bit 4CPU320613.5 − 18.5
+3−8=21
+61		15 − 35
+1−21=28
−16		14 − 20
+7−13=14
+8		16 − 16
+4−4=24
+11		  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 4CPU31889 − 23
+0−14=18
−4		17 − 33
+1−17=32
+28		11 − 21
+1−11=20
−3		   15 − 17
+3−5=24
−26		 17 − 15
+4−2=26
−13		20.5 − 11.5
+10−1=21
+30		  
7Critter 1.6a 64-bit 4CPU317510 − 28
+0−18=20
−2		17 − 43
+1−27=32
+2		16.5 − 44.5
+2−30=29
−44		23 − 37
+5−19=36
−21		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		 32.5 − 22.5
+13−3=39
−11
8Rybka 4 64-bit 4CPU31617 − 25
+1−19=12
−37		15 − 35
+0−20=30
+29		11 − 23
+4−16=14
−3		   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 4CPU31589 − 29
+0−20=18
−7		11 − 37
+1−27=20
−30		7.5 − 25.5
+1−19=13
−68		 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 4CPU314212.5 − 25.5
+2−15=21
+70		11.5 − 40.5
+1−30=21
−19		13 − 34
+2−23=22
−7		13 − 19
+5−11=16
+20		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
−18		 
11Texel 1.05 64-bit 4CPU31249 − 27
+1−19=16
+28		  0 − 1
+0−1=0
−INF		     10 − 10
+4−4=12
+18		  
12Strelka 5.5 64-bit3116 10.5 − 38.5
+3−31=15
−15		    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)
#NameElo1
Sto
2
Kom
3
Hou
4
Fir
5
Gul
6
Equ
7
Cri
8
Ryb
9
Bou
10
Bla
11
Tex
12
Str
1Stockfish 6 64-bit 4CPU3311 73.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Komodo 8 64-bit 4CPU330326.2 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 4CPU32190.00.00.0 78.496.299.9100.0100.0100.0100.0100.0
5Gull 2.8b 64-bit 4CPU32060.00.00.021.6 86.599.4100.0100.0100.0100.0100.0
6Equinox 3.20 64-bit 4CPU31880.00.00.03.813.5 84.497.698.599.999.9100.0
7Critter 1.6a 64-bit 4CPU31750.00.00.00.10.615.6 95.997.099.999.7100.0
8Rybka 4 64-bit 4CPU31610.00.00.00.00.02.44.1 62.494.697.6100.0
9Bouquet 1.8 64-bit 4CPU31580.00.00.00.00.01.53.037.6 89.896.1100.0
10BlackMamba 2.0 64-bit 4CPU31420.00.00.00.00.00.10.15.410.2 82.498.6
11Texel 1.05 64-bit 4CPU31240.00.00.00.00.00.10.32.43.917.6 66.0
12Strelka 5.5 64-bit31160.00.00.00.00.00.00.00.00.01.434.0 
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

566'562 games (108.55 MB)

All games with comments

566'562 games (339.70 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 28, 2015