CCRL 40/40
Downloads and Statistics
March 8, 2014
Testing summary:
Total: 501'828 games
played by 1'430 programs
68607 CPU days (X2 4600+)

White wins: 177'048 (35.3%)
Black wins: 130'525 (26.0%)
Draws: 194'255 (38.7%)
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 March 8, 2014 with Bayeselo based on 501'828 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+−
1Houdini 4 64-bit 4CPU3265+20−2065.7%−99.547.1%779 
91.6%
2Stockfish DD 64-bit 4CPU3247+19−1964.7%−88.654.7%802
75.9%
3Komodo TCEC 64-bit 4CPU3237+20−2063.8%−86.454.4%745
100.0%
4Critter 1.6a 64-bit 4CPU3174+11−1155.6%−34.259.3%2309
80.3%
5Fire 3.0 64-bit 4CPU3161+26−2653.2%−20.758.0%433
54.0%
6Rybka 4 64-bit 4CPU3160+13−1358.0%−52.749.6%1883
65.1%
7Gull 2.3 64-bit 4CPU3156+17−1746.8%+17.659.8%952
100.0%
8Strelka 5.5 64-bit3118+11−1056.7%−40.857.7%2825
91.0%
9Chiron 2 64-bit 4CPU3094+31−3235.4%+94.645.8%319
52.3%
10Hannibal 1.4b 64-bit 4CPU3093+21−2140.9%+54.454.1%665
91.9%
11Naum 4.2 64-bit 4CPU3076+11−1045.5%+27.449.0%2906
55.0%
12BlackMamba 2.0 64-bit3074+27−2744.8%+29.857.4%392
52.0%
13Protector 1.5.0 64-bit 4CPU3073+20−2040.0%+63.245.6%763
52.3%
14Deep Fritz 14 64-bit 4CPU3072+23−2339.7%+63.154.9%570
53.9%
15Hiarcs 14 4CPU3071+16−1641.8%+48.852.3%1163
99.3%
16Deep Junior 13 64-bit 4CPU3041+17−1742.3%+48.149.7%1082
71.2%
17Spike 1.4 Leiden 4CPU3035+13−1343.0%+43.846.7%1905
73.9%
18Deep Shredder 12 64-bit 4CPU3030+12−1148.6%+9.045.5%2451
100.0%
19Zappa Mexico II 64-bit 4CPU2983+10−1048.9%+5.948.1%3113
79.9%
20Spark 1.0 64-bit 4CPU2975+17−1740.3%+61.946.3%1139
99.5%
21‑23Deep Sjeng c't 20102946+11−1145.2%+31.245.7%2717
51.4%
21‑23Onno 1.2.70 64-bit 4CPU2946+24−2449.6%+3.247.1%533
49.9%
21‑23Texel 1.03 64-bit2946+34−3352.7%−18.440.1%282
60.9%
24Thinker 5.4d Inert 64-bit 4CPU2940+26−2649.3%+3.450.7%426
63.7%
25Toga II 3.0 4CPU2932+35−3546.9%+19.946.3%244
81.0%
26Booot 5.2.0 64-bit2913+23−2349.9%+0.941.5%610
51.4%
27DiscoCheck 5.2 64-bit2912+32−3157.3%−46.744.0%309
57.7%
28Quazar 0.4 64-bit2908+15−1549.6%+4.441.7%1396
56.0%
29MinkoChess 1.3 64-bit 4CPU2906+30−3050.9%−9.145.5%345
51.7%
30Bright 0.4a 4CPU2905+15−1549.9%+1.340.4%1415
68.6%
31Tornado 4.88 64-bit 4CPU2896+30−3050.4%−4.342.0%336
83.5%
32Crafty 23.4 64-bit 4CPU2872+39−3948.3%+10.534.1%208
55.7%
33Gaviota 0.86 64-bit 4CPU2869+29−2958.4%−59.933.2%416
59.1%
34Scorpio 2.7.5 64-bit 4CPU2863+37−3745.0%+27.949.5%212
58.3%
35Nemo 1.0.1 64-bit2859+17−1750.0%−1.743.4%1098
54.1%
36Arasan 16.3 64-bit 4CPU2856+38−3848.9%+7.041.7%218
51.6%
37Loop M1-T 64-bit 4CPU2855+12−1243.2%+43.545.2%2447
79.2%
38Octochess r5190 64-bit 4CPU2836+39−3948.5%+9.141.3%201
58.1%
39SmarThink 1.50 64-bit2831+31−3146.4%+22.341.5%316
50.3%
40BugChess2 1.9 64-bit 4CPU2830+31−3146.8%+15.537.8%362
57.5%
41Murka 3 64-bit2827+25−2552.4%−15.640.4%512
52.6%
42Jonny 4.00 4CPU2825+31−3145.2%+23.234.1%355
72.7%
43Cheng4 0.36c 64-bit2810+38−3856.9%−46.535.0%226
56.5%
44Deuterium 14.1.32.119 64-bit2805+39−3951.7%−13.741.4%203
79.1%
45Dirty 20Apr2013 64-bit2786+23−2348.7%+9.536.4%634
62.6%
46Frenzee 3.5.19 64-bit2781+20−2049.3%+5.334.6%838
58.4%
47EXchess 7.18b 64-bit2778+25−2552.6%−18.439.1%509
57.2%
48‑49GNU Chess 5.50 64-bit2774+25−2551.3%−7.537.2%511
51.0%
48‑49NirvanaChess 1.4 64-bit2774+32−3245.1%+29.841.4%304
51.2%
50Naraku 1.42773+22−2349.1%+6.124.2%714
64.3%
51Twisted Logic 20100131x 64-bit2767+21−2152.0%−15.334.7%737
65.8%
52Bison 9.11 64-bit2761+25−2550.2%−2.935.3%535
67.0%
53Ktulu 92754+14−1445.5%+29.639.1%1796
55.6%
54Rodent 1.3 64-bit2752+34−3455.7%−37.641.7%264
67.6%
55Chronos 1.9.9 64-bit2742+18−1850.8%−4.037.8%1050
87.0%
56‑57Bobcat 3.25 64-bit2727+20−2050.9%−5.539.5%806
51.1%
56‑57Delfi 5.4 2CPU2727+19−1940.4%+67.035.7%1017
59.7%
58Chessmaster 11 2CPU2722+35−3547.5%+15.939.4%259
83.9%
59Chess Tiger 2007.12704+10−1045.2%+31.442.4%3171
55.7%
60ProDeo 1.862701+32−3250.8%−7.136.9%312
63.6%
61iCE 1.0 64-bit2694+22−2251.8%−14.338.8%695
70.8%
62Vajolet 2.482683+32−3247.9%+11.834.1%314
53.8%
63Atlas 3.60 64-bit2681+29−2946.9%+19.135.5%391
53.4%
64Daydreamer 1.75 64-bit2680+21−2148.3%+12.239.9%747
65.4%
65RedQueen 1.1.97 64-bit2671+38−3849.8%−0.930.9%236
54.3%
66Movei 00.8.438 (10 10 10)2669+12−1247.4%+14.837.8%2528
85.6%
67Alaric 7072660+12−1249.1%+5.634.2%2449
61.1%
68Pawny 1.0 64-bit2656+25−2551.3%−9.136.2%520
60.9%
69Godel 2.3.7 64-bit2651+23−2347.3%+18.237.1%620
57.0%
70E.T. Chess 13.01.082649+14−1449.3%+3.537.1%1646
60.2%
71‑72Cyrano 0.6b17 32-bit2646+15−1547.9%+13.141.1%1515
50.6%
71‑72Pharaon 3.5.1 4CPU2646+34−3435.0%+96.936.4%297
55.3%
73Philou 3.7.1 64-bit2643+17−1749.6%+2.136.0%1100
56.6%
74‑75Colossus 2008b2641+13−1348.7%+8.437.9%2066
49.1%
74‑75The Baron 2.23 64-bit2641+30−3050.0%−2.132.8%375
56.3%
76‑77Djinn 1.010 64-bit2638+35−3549.1%+10.035.2%273
48.9%
76‑77Slow Chess Blitz WV2.12638+12−1248.1%+12.736.7%2461
68.2%
78Alfil 12 MT2631+25−2552.2%−17.633.5%528
58.0%
79Gandalf 62629+12−1246.1%+26.135.8%2598
58.0%
80WildCat 82627+14−1448.9%+6.135.2%1752
55.1%
81Ruffian 2.1.02625+14−1447.0%+22.337.3%1756
58.1%
82‑83Rotor 0.7a2622+28−2851.1%−8.231.5%422
51.4%
82‑83Tucano 3.00 64-bit2622+26−2648.7%+7.237.3%472
55.8%
84Hamsters 0.7.12619+15−1548.4%+11.438.9%1473
63.1%
85Nebula 2.0 64-bit2614+26−2546.9%+20.433.1%511
53.3%
86Sloppy 0.2.2 64-bit2613+22−2250.1%−1.830.7%724
89.5%
87Aristarch 4.502597+13−1347.5%+17.932.0%2313
52.4%
88Glass 2.0 64-bit2596+23−2351.8%−12.534.4%630
55.7%
89Petir 4.392593+22−2349.4%+1.937.3%638
60.8%
90Pseudo 0.7c2590+14−1450.6%−4.737.6%1754
54.2%
91CuckooChess 1.12 32-bit2588+27−2747.8%+16.030.4%481
52.5%
92Amyan 1.722587+13−1351.0%−6.431.0%1989
63.1%
93N2 0.4 64-bit2583+18−1849.8%+1.034.9%1032
67.3%
94GarboChess 3.0 64-bit2577+21−2151.7%−10.431.0%798
69.2%
95DanaSah 5.072568+27−2749.4%+2.742.4%429
58.8%
96Brutus 8.05 32-bit2565+17−1749.3%+2.736.8%1134
59.5%
97Arminius 2013-08-10 64-bit2560+32−3246.9%+22.427.2%342
52.1%
98Francesca MAD 0.192559+17−1746.9%+21.933.1%1163
55.2%
99SOS 5.12558+14−1447.8%+12.934.1%1786
62.2%
100Anaconda 2.0.12553+27−2747.9%+11.935.2%458
61.0%
101GreKo 9.7 64-bit2546+35−3548.8%+6.341.4%249
58.3%
102Rodin 6.02542+27−2750.2%−2.437.3%453
55.4%
103‑104AnMon 5.662539+23−2350.4%−2.631.2%650
49.8%
103‑104Ufim 8.022539+13−1349.3%+3.330.9%2008
69.3%
105nanoSzachy 4.0 64-bit2533+22−2246.8%+21.132.4%673
62.8%
106Rhetoric 1.1 64-bit2526+35−3548.7%+9.138.7%266
70.5%
107Hermann 2.8 64-bit2514+21−2148.4%+11.826.9%813
60.2%
108Nimzo 82510+28−2845.5%+33.332.2%453
62.1%
109Little Goliath Evolution 3.122505+18−1846.4%+23.833.5%1014
56.9%
110Cheese 1.5 64-bit2501+30−3048.9%+7.339.0%354
53.2%
111Tao 5.62500+17−1749.6%+3.227.1%1194
57.3%
112LittleThought 1.052 64-bit2497+21−2149.9%+0.623.7%823
72.1%
113Delphil 2.82488+23−2349.4%+3.533.6%633
57.3%
114Pupsi2 0.092485+26−2648.8%+9.432.2%481
57.9%
115‑116Xpdnt 0910072482+16−1649.3%+4.232.0%1355
48.4%
115‑116Yace 0.99.872482+19−1950.2%+0.127.6%977
59.1%
117‑121Anatoli 0.35k2479+17−1750.9%−7.332.3%1234
52.2%
117‑121Cerebro 3.03d2479+19−1949.8%−1.329.7%980
49.2%
117‑121Matacz 1.32479+29−2947.4%+17.833.0%382
50.3%
117‑121Pepito 1.59 32-bit2479+24−2449.6%+0.934.0%583
50.4%
117‑121SpiderChess 0706032479+23−2350.1%+1.839.6%604
53.6%
122BBChess 1.3b2477+25−2551.0%−6.338.1%525
51.8%
123‑124Quark 2.352476+21−2149.7%+0.929.9%787
51.2%
123‑124Trace 1.362476+21−2248.9%+7.726.6%764
53.7%
125Green Light Chess 3.01.2.22474+39−3945.0%+33.233.0%221
53.3%
126Bruja 1.9.1 64-bit2472+23−2349.8%+2.126.0%658
63.4%
127Counter 1.22467+17−1748.3%+11.538.2%1119
88.3%
128Dorky 4.3 64-bit2445+31−3149.7%+1.030.6%360
57.8%
129Eeyore 1.52 64-bit2441+24−2451.8%−13.025.7%608
52.8%
130Hussar 0.42440+19−1948.4%+10.828.6%984
57.8%
131Typhoon 1.00-3482436+37−3748.4%+11.427.8%255
57.9%
132PostModernist 10162431+25−2547.7%+15.329.0%545
56.9%
133Snitch 1.6.2 32-bit2428+24−2447.6%+16.228.7%614
57.3%
134‑135Abrok 5.02425+31−3149.3%+4.629.3%352
48.3%
134‑135Homer 2.012425+21−2049.1%+6.132.6%803
68.6%
136Betsabe II 1.30 64-bit2417+26−2651.0%−8.827.5%528
56.6%
137‑138KnightDreamer 3.32413+37−3748.8%+10.632.5%243
50.4%
137‑138Muse 0.899b2413+22−2247.6%+17.927.0%730
59.7%
139Kiwi 0.6d 32-bit2409+20−2046.4%+23.327.1%861
60.9%
140‑142Diablo 0.5.12405+19−1949.5%+4.331.6%924
50.3%
140‑142Queen 4.032405+20−2048.9%+5.834.5%860
51.2%
140‑142Sjakk 2.0 64-bit2405+28−2846.9%+23.132.8%433
52.7%
143Dragon 4.62403+19−1946.3%+25.334.3%888
55.1%
144RomiChess P3k 32-bit2402+19−1949.2%+4.933.0%906
51.7%
145Tigran 2.4n 64-bit2401+33−3352.8%−21.530.2%321
56.9%
146Gaia 3.5 32-bit2397+23−2348.8%+8.329.0%627
51.4%
147‑148Amy 0.87b2396+26−2650.0%+3.325.6%516
50.9%
147‑148Comet B682396+24−2447.2%+19.425.3%640
52.5%
149Simplex 0.9.8 32-bit2395+31−3149.3%+3.231.3%345
51.5%
150Shallow r688 64-bit2394+31−3154.7%−36.929.1%374
54.6%
151Patzer 3.802391+26−2749.8%+2.625.3%506
52.6%
152pikoSzachy 3.42390+35−3548.6%+10.124.1%295
55.5%
153Phalanx XXII2387+24−2550.1%−1.123.5%595
58.1%
154‑155Gosu 0.162384+21−2147.4%+18.126.5%780
48.1%
154‑155Sorgenkind 0.42384+15−1552.4%−15.828.4%1487
53.2%
156Ifrit m1.8 64-bit2383+26−2648.2%+15.329.1%529
53.5%
157Horizon 4.42382+18−1849.2%+4.026.3%1103
51.4%
158Amateur 2.822381+21−2247.0%+21.325.0%787
55.9%
159Sage 3.532379+18−1850.0%+0.427.9%1063
55.7%
160Alex 2.14a 64-bit2377+23−2351.6%−9.928.1%637
56.1%
161Thor's Hammer 2.28 32-bit2374+28−2849.5%+4.029.1%440
54.9%
162TJchess 1.1 32-bit2371+39−3946.1%+29.626.4%231
50.5%
163Jazz 721 64-bit2370+26−2648.3%+13.429.6%496
55.3%
164OliThink 5.3.2 64-bit2368+23−2349.5%+5.325.2%678
53.4%
165Ares 1.0042367+16−1649.4%+2.726.7%1395
64.5%
166Tytan 9.32361+24−2450.7%−4.925.9%633
77.2%
167Plisk 0.2.7d 32-bit2349+22−2251.0%−8.725.3%715
59.2%
168Flux 2.2.12345+23−2350.2%−0.530.3%657
51.7%
169‑170Capivara LK 0.09a02c 64-bit2344+38−3851.1%−5.938.9%221
50.1%
169‑170Myrddin 0.86 64-bit2344+26−2650.4%−1.930.9%512
58.1%
171Arion 1.72340+21−2151.8%−14.627.6%818
54.6%
172Ghost 2.0.1 32-bit2339+20−2051.5%−9.729.7%874
55.7%
173WChess 1.062336+32−3347.3%+15.933.0%315
65.8%
174Amundsen 0.80 32-bit2328+20−2147.5%+18.029.9%825
53.0%
175Aice 0.99.22327+21−2147.2%+19.726.3%787
57.3%
176Asterisk 0.62324+20−2148.9%+6.927.2%837
51.6%
177‑178EveAnn 1.71a2323+31−3148.7%+6.834.4%352
50.5%
177‑178Maverick 0.51 64-bit2323+34−3456.4%−44.125.8%306
63.3%
179KnightX 1.922315+24−2449.3%+3.728.0%611
52.7%
180‑181Averno 0.812314+25−2548.8%+7.626.4%556
49.8%
180‑181Butcher 1.61 64-bit2314+34−3444.7%+41.424.9%301
59.5%
182Sungorus 1.4 64-bit2309+31−3147.8%+15.124.1%378
51.9%
183Mediocre 0.42307+34−3450.8%−6.424.3%305
56.6%
184‑185ECE 12.012304+22−2248.0%+13.325.2%726
49.6%
184‑185Popochin 2.92304+34−3544.8%+41.431.0%300
54.2%
186Waxman 20102302+22−2151.7%−11.927.8%752
52.1%
187Zeus 1.272301+34−3451.8%−19.223.2%336
53.3%
188‑189Bagatur 1.3a 64-bit2299+25−2552.5%−20.727.1%569
51.0%
188‑189Natwarlal 0.142299+21−2148.4%+11.524.2%827
61.5%
190‑191Ant 2006-F2294+25−2448.5%+8.523.8%617
48.9%
190‑191Chezzz 1.0.32294+24−2449.8%−0.225.6%617
53.0%
192Joker 1.1.142293+22−2250.6%−4.927.8%730
60.5%
193Anechka 0.082289+20−2146.7%+25.626.6%860
66.4%
194AliChess 4.252282+23−2350.2%−3.024.7%649
54.4%
195Chaturanga 2.4.32280+26−2650.1%−1.126.7%539
79.9%
196Matilde 2008 32-bit2262+34−3451.5%−9.531.2%295
57.8%
197Chispa 4.0.32258+21−2149.4%+4.327.5%800
55.2%
198Gibbon 2.57a 64-bit2256+24−2451.0%−12.629.2%616
63.2%
199‑200Mango Paola Ajedrez 4.12248+40−4143.5%+44.224.4%217
49.5%
199‑200RattateChess 1.0 Nosferatu2248+24−2448.9%+10.428.5%610
74.3%
201Beowulf 2.4a 64-bit2236+25−2553.2%−24.122.8%571
61.4%
202Atak 6.82232+20−2047.3%+19.022.8%883
53.2%
203Ayito 0.2.9942230+26−2646.5%+24.622.7%538
52.3%
204‑205Absolute Zero 2.4.0.0 64-bit2229+40−4149.6%+2.819.3%223
50.1%
204‑205Feuerstein 0.4.6.12229+19−1949.1%+5.728.5%939
51.1%
206Dolphin 1.02228+24−2451.8%−15.824.5%640
62.1%
207FireFly 2.6.0 64-bit2222+33−3351.4%−12.323.1%346
54.7%
208KMTChess 1.2.1 64-bit2219+26−2649.5%+3.023.4%548
58.6%
209Bearded N44.2 32-bit2214+36−3651.1%−7.125.4%268
54.8%
210ChessAlex 2.0r42211+24−2449.0%+5.029.0%589
54.3%
211MadChess 1.3 64-bit2209+38−3849.8%+3.419.1%251
53.8%
212Uralochka 1.1b2207+21−2148.5%+10.326.6%835
51.5%
213Adam 3.32206+23−2351.8%−14.222.0%703
66.0%
214ZCT 0.3.24512198+27−2749.4%+4.425.5%478
54.7%
215Neurosis 2.52196+17−1749.1%+7.328.6%1218
60.2%
216ChessKISS 1.7 64-bit2192+26−2648.9%+2.630.8%496
52.6%
217BlackBishop 1.02191+19−1848.9%+8.327.3%1034
61.9%
218Latista (Sinobyl) 1.52186+28−2949.1%+3.025.2%441
53.2%
219Alf 1.092184+25−2549.6%−0.429.3%566
58.8%
220OBender 3.2.4.22181+20−2049.9%+1.725.4%899
52.3%
221‑222Buzz 0.08 32-bit2180+28−2851.1%−7.925.4%472
50.1%
221‑222ProChess 1.02AD2180+28−2852.0%−20.722.2%501
67.2%
223‑224Carballo 0.82171+30−3043.3%+46.532.8%372
49.4%
223‑224Kurt 0.9.2.2 64-bit2171+26−2649.5%+4.122.6%553
51.0%
225Fischerle 0.9.30b 64-bit2170+33−3349.4%−1.024.0%334
58.9%
226NagaSkaki 5.122166+20−2050.6%−5.428.0%876
66.4%
227Lime 662159+23−2350.2%−2.621.1%729
66.6%
228Chesley r323 32-bit2152+25−2549.2%+6.420.5%595
70.8%
229KnockOut 0.7.1 32-bit2144+16−1651.9%−14.226.7%1410
93.0%
230Prophet 2.02125+19−1949.3%+4.224.0%1005
52.4%
231Parrot 07.01.162124+32−3246.0%+29.721.5%354
84.9%
232Clarabit 1.00 32-bit2103+22−2247.6%+14.429.9%736
98.2%
233BikJump 2.01 32-bit2073+18−1850.3%−1.827.3%1062
86.8%
234Protej 0.5.72055+26−2646.8%+22.124.0%520
53.9%
235BigLion 2.23x2053+21−2145.1%+35.727.4%806
61.7%
236PLP 16615712048+25−2547.2%+20.023.9%568
68.3%
237Jabba 1.0 32-bit2040+24−2446.6%+24.826.9%603
76.0%
238Matheus 2.32027+25−2545.1%+37.822.7%599
55.6%
239Mustang 4.972025+27−2743.9%+40.630.8%484
54.8%
240Bubble 1.52023+22−2243.9%+45.121.0%761
54.5%
241Slibo 0.5.12021+26−2645.5%+33.119.4%573
51.2%
242Monarch 1.72020+22−2245.8%+39.919.5%857
64.9%
243Cupcake 1.1a2010+43−4347.8%+17.913.9%223
62.5%
244ChessMind 0.822002+26−2645.9%+30.217.1%580
57.6%
245BibiChess 0.51998+28−2848.5%+11.824.2%472
62.7%
246BSC 3.91991+37−3745.1%+37.524.0%263
56.2%
247Schola 1.1.01987+27−2745.7%+31.726.0%480
71.0%
248AdroitChess 0.3 32-bit1974+35−3543.8%+50.319.0%315
52.3%
249Zeta Dva 0220 64-bit1973+41−4245.2%+40.916.3%227
51.2%
250Heracles 0.6.161972+27−2746.2%+27.227.9%499
54.3%
251Dabbaba 5.671969+39−3942.9%+52.721.4%248
71.4%
252Marvin 1.3.01956+25−2643.2%+50.222.5%570
55.1%
253Monik 2.2.3 32-bit1953+32−3245.9%+28.027.5%345
59.8%
254Soldat III 0.1721947+33−3340.0%+80.417.2%379
51.9%
255Rival 1.181946+27−2745.6%+31.325.4%489
66.9%
256Smash 1.0.31937+26−2640.8%+74.917.8%574
54.2%
257MatMoi 7.15.0-cct1935+25−2642.8%+54.924.4%562
65.9%
258Micro-Max 4.8 (DM-PII)1928+25−2648.6%+11.125.1%541
77.2%
259Reger 0.091913+26−2640.6%+71.021.6%570
72.1%
260Clueless 1.41903+23−2340.4%+76.417.4%726
52.1%
261Warrior 1.0.31902+25−2545.2%+35.324.1%564
55.2%
262GChess IV 0.2.01899+28−2840.9%+67.327.4%463
80.9%
263Surprise 4.3b131881+29−3038.9%+87.819.1%446
88.5%
264Predateur 2.2 64-bit1851+41−4239.6%+78.618.1%216
62.8%
265BeRoChess 1.00 32-bit1841+37−3837.4%+97.622.9%266
96.4%
266Ziggurat 0.18 64-bit1791+41−4329.3%+160.324.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Houdi
2
Stock
3
Komod
4
Critt
5
Fire
6
Rybka
7
Gull
8
Strel
9
Chiro
10
Hanni
11
Naum
12
Black
1Houdini 4 64-bit 4CPU3265 43 − 55
+17−29=52
−53		27.5 − 25.5
+9−7=37
−18		37 − 14
+25−2=24
+47		23 − 10
+14−1=18
+13		23 − 11
+16−4=14
+8		33 − 19
+18−4=30
−32		 38 − 12
+29−3=18
+2		43 − 10
+33−0=20
+37		39.5 − 11.5
+31−3=17
−1		 
2Stockfish DD 64-bit 4CPU324755 − 43
+29−17=52
+53		 57 − 46
+23−12=68
+18		28 − 25
+9−6=38
−58		22 − 11
+11−0=22
+3		23.5 − 10.5
+16−3=15
+30		51 − 38
+23−10=56
−50		 70 − 21
+52−3=36
+21		28.5 − 12.5
+17−1=23
−40		32.5 − 8.5
+25−1=15
+27		 
3Komodo TCEC 64-bit 4CPU323725.5 − 27.5
+7−9=37
+18		46 − 57
+12−23=68
−18		 35 − 18
+21−4=28
+30		19.5 − 13.5
+7−1=25
−30		32.5 − 19.5
+17−4=31
−3		63 − 38
+32−7=62
−10		 35.5 − 14.5
+25−4=21
−7		0.5 − 0.5
+0−0=1
−174		45 − 8
+37−0=16
+90		 
4Critter 1.6a 64-bit 4CPU317414 − 37
+2−25=24
−47		25 − 28
+6−9=38
+58		18 − 35
+4−21=28
−30		 16.5 − 16.5
+4−4=25
−10		24.5 − 25.5
+9−10=31
−19		30.5 − 27.5
+13−10=35
−4		32.5 − 22.5
+13−3=39
−8		1 − 0
+1−0=0
+INF		17 − 14
+9−6=16
−50		60.5 − 26.5
+40−6=41
+21		 
5Fire 3.0 64-bit 4CPU316110 − 23
+1−14=18
−13		11 − 22
+0−11=22
−3		13.5 − 19.5
+1−7=25
+30		16.5 − 16.5
+4−4=25
+10		  20.5 − 11.5
+11−2=19
+74		 1 − 0
+1−0=0
+INF		19 − 14
+9−4=20
−25		20.5 − 11.5
+15−6=11
+10		 
6Rybka 4 64-bit 4CPU316011 − 23
+4−16=14
−8		10.5 − 23.5
+3−16=15
−30		19.5 − 32.5
+4−17=31
+3		25.5 − 24.5
+10−9=31
+19		      32 − 25
+12−5=40
−51		 
7Gull 2.3 64-bit 4CPU315619 − 33
+4−18=30
+32		38 − 51
+10−23=56
+50		38 − 63
+7−32=62
+10		27.5 − 30.5
+10−13=35
+4		11.5 − 20.5
+2−11=19
−74		    18 − 12
+9−3=18
−10		20 − 10
+13−3=14
+19		 
8Strelka 5.5 64-bit3118   22.5 − 32.5
+3−13=39
+8		      4.5 − 1.5
+4−1=1
+159		15.5 − 14.5
+5−4=21
−33
9Chiron 2 64-bit 4CPU309412 − 38
+3−29=18
−2		21 − 70
+3−52=36
−21		14.5 − 35.5
+4−25=21
+7		0 − 1
+0−1=0
−INF		0 − 1
+0−1=0
−INF		    2.5 − 0.5
+2−0=1
+225		1.5 − 1.5
+0−0=3
−28		 
10Hannibal 1.4b 64-bit 4CPU309310 − 43
+0−33=20
−37		12.5 − 28.5
+1−17=23
+40		0.5 − 0.5
+0−0=1
+174		14 − 17
+6−9=16
+50		14 − 19
+4−9=20
+25		 12 − 18
+3−9=18
+10		 0.5 − 2.5
+0−2=1
−225		 16.5 − 16.5
+7−7=19
−15		 
11Naum 4.2 64-bit 4CPU307611.5 − 39.5
+3−31=17
+1		8.5 − 32.5
+1−25=15
−27		8 − 45
+0−37=16
−90		26.5 − 60.5
+6−40=41
−21		11.5 − 20.5
+6−15=11
−10		25 − 32
+5−12=40
+51		10 − 20
+3−13=14
−19		1.5 − 4.5
+1−4=1
−159		1.5 − 1.5
+0−0=3
+28		16.5 − 16.5
+7−7=19
+15		  
12BlackMamba 2.0 64-bit3074       14.5 − 15.5
+4−5=21
+33		    
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
Hou
2
Sto
3
Kom
4
Cri
5
Fir
6
Ryb
7
Gul
8
Str
9
Chi
10
Han
11
Nau
12
Bla
1Houdini 4 64-bit 4CPU3265 91.697.6100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Stockfish DD 64-bit 4CPU32478.4 75.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Komodo TCEC 64-bit 4CPU32372.424.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Critter 1.6a 64-bit 4CPU31740.00.00.0 80.394.296.0100.0100.0100.0100.0100.0
5Fire 3.0 64-bit 4CPU31610.00.00.019.7 54.065.099.899.9100.0100.0100.0
6Rybka 4 64-bit 4CPU31600.00.00.05.846.0 65.1100.0100.0100.0100.0100.0
7Gull 2.3 64-bit 4CPU31560.00.00.04.035.034.9 100.0100.0100.0100.0100.0
8Strelka 5.5 64-bit31180.00.00.00.00.20.00.0 91.097.5100.099.9
9Chiron 2 64-bit 4CPU30940.00.00.00.00.10.00.09.0 52.384.881.6
10Hannibal 1.4b 64-bit 4CPU30930.00.00.00.00.00.00.02.547.7 91.984.6
11Naum 4.2 64-bit 4CPU30760.00.00.00.00.00.00.00.015.28.1 55.0
12BlackMamba 2.0 64-bit30740.00.00.00.00.00.00.00.118.415.445.0 
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

501'828 games (96.46 MB)

All games with comments

501'828 games (300.90 MB)

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

Various statistics

Created in 2005-2013 by CCRL team
Last games added on March 8, 2014