CCRL 40/40
Downloads and Statistics
April 19, 2014
Testing summary:
Total: 509'589 games
played by 1'450 programs
69929 CPU days (X2 4600+)

White wins: 179'678 (35.3%)
Black wins: 132'389 (26.0%)
Draws: 197'522 (38.8%)
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 April 19, 2014 with Bayeselo based on 509'589 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 4CPU3274+19−1867.1%−109.645.9%940 
97.7%
2Stockfish DD 64-bit 4CPU3249+19−1864.5%−88.054.7%880
86.1%
3Komodo TCEC 64-bit 4CPU3235+19−1862.6%−79.654.4%855
97.5%
4Gull 2.8b 64-bit 4CPU3201+29−2960.3%−64.448.0%356
95.7%
5Critter 1.6a 64-bit 4CPU3174+11−1155.4%−32.859.1%2419
73.8%
6Fire 3.0 64-bit 4CPU3165+23−2352.9%−18.358.5%511
66.5%
7Rybka 4 64-bit 4CPU3159+13−1357.7%−50.049.6%1915
100.0%
8Strelka 5.5 64-bit3117+10−1056.7%−40.857.7%2918
84.0%
9Chiron 2 64-bit 4CPU3101+28−2835.7%+92.444.4%399
64.2%
10Hannibal 1.4b 64-bit 4CPU3094+20−2040.9%+55.254.2%732
85.3%
11BlackMamba 2.0 64-bit3077+23−2346.4%+20.056.7%538
58.8%
12Naum 4.2 64-bit 4CPU3074+10−1045.1%+29.948.5%3068
51.0%
13Deep Fritz 14 64-bit 4CPU3073+23−2339.7%+63.654.9%570
56.7%
14‑15Hiarcs 14 4CPU3071+16−1641.9%+48.652.3%1180
51.3%
14‑15Protector 1.5.0 64-bit 4CPU3071+20−2039.7%+64.646.3%810
98.8%
16Deep Junior 13 64-bit 4CPU3040+17−1742.3%+48.249.7%1082
75.1%
17Spike 1.4 Leiden 4CPU3033+13−1342.8%+44.946.6%2005
65.2%
18Deep Shredder 12 64-bit 4CPU3030+11−1148.5%+9.445.6%2538
100.0%
19Zappa Mexico II 64-bit 4CPU2982+10−1048.9%+6.048.1%3151
55.8%
20Senpai 1.0 64-bit2980+28−2841.0%+56.448.2%398
61.0%
21Spark 1.0 64-bit 4CPU2975+16−1640.9%+58.546.3%1176
99.6%
22Deep Sjeng c't 20102946+11−1145.2%+31.145.7%2717
54.2%
23Onno 1.2.70 64-bit 4CPU2945+23−2349.5%+4.047.1%571
52.4%
24Texel 1.03 64-bit2944+29−2953.1%−21.441.6%368
56.4%
25Thinker 5.4d Inert 64-bit 4CPU2940+25−2549.4%+3.850.8%463
53.1%
26Toga II 3.0 4CPU2939+33−3347.9%+14.448.0%281
83.8%
27‑28Crafty 23.8 64-bit 4CPU2915+35−3547.1%+19.346.7%244
50.6%
27‑28MinkoChess 1.3 64-bit 4CPU2915+28−2851.0%−10.246.1%382
58.3%
29DiscoCheck 5.2 64-bit2910+28−2855.3%−33.643.2%398
52.5%
30Quazar 0.4 64-bit2909+15−1549.7%+3.741.7%1416
58.4%
31Booot 5.2.0 64-bit2907+22−2247.3%+18.540.6%673
54.3%
32‑33Bright 0.4a 4CPU2905+15−1549.9%+1.340.4%1415
49.7%
32‑33Tornado 4.88 64-bit 4CPU2905+29−2950.5%−5.042.6%373
71.8%
34Scorpio 2.7.6 64-bit 4CPU2892+36−3649.8%+1.642.9%240
65.3%
35EXchess 7.18b 64-bit 4CPU2882+35−3546.9%+18.838.0%258
68.3%
36Gaviota 0.86 64-bit 4CPU2871+28−2857.7%−55.434.3%434
51.9%
37Arasan 16.3 64-bit 4CPU2870+36−3649.0%+5.041.9%246
70.5%
38Nemo 1.0.1 64-bit2858+17−1650.2%−2.543.7%1142
60.3%
39Loop M1-T 64-bit 4CPU2856+11−1243.2%+42.745.2%2447
65.0%
40Octochess r5190 64-bit 4CPU2848+33−3346.6%+21.442.2%282
63.8%
41Vajolet2 1.28 64-bit2839+33−3359.8%−62.847.0%281
55.3%
42BugChess2 1.9 64-bit 4CPU2836+30−3146.8%+14.637.6%364
58.0%
43‑44Murka 3 64-bit2832+23−2352.5%−16.441.0%608
48.1%
43‑44SmarThink 1.50 64-bit2832+28−2847.3%+17.042.8%402
56.5%
45Jonny 4.00 4CPU2829+31−3145.2%+22.734.1%355
62.1%
46NirvanaChess 1.5 64-bit2822+31−3246.2%+24.544.8%306
56.6%
47Cheng4 0.36c 64-bit2818+31−3156.4%−42.335.8%335
52.7%
48Deuterium 14.1.32.119 64-bit2816+31−3151.1%−8.947.0%315
96.9%
49Frenzee 3.5.19 64-bit2781+20−2049.3%+5.234.6%838
52.8%
50GNU Chess 5.50 64-bit2780+23−2351.6%−10.939.0%582
51.7%
51Dirty 20Apr2013 64-bit2779+22−2248.0%+14.136.1%709
64.1%
52Naraku 1.42774+23−2349.1%+5.524.2%714
64.2%
53Twisted Logic 20100131x 64-bit2768+21−2152.0%−15.934.7%737
60.5%
54Alfil 13.1 64-bit 4CPU2761+40−4144.3%+26.734.0%212
55.0%
55Bison 9.11 64-bit2758+24−2449.1%+5.034.7%579
59.4%
56Ktulu 92755+14−1445.8%+27.138.9%1830
74.6%
57Rodent 1.3 64-bit2744+29−2951.2%−8.744.2%371
55.5%
58Chronos 1.9.9 64-bit2742+17−1750.8%−5.037.9%1086
85.8%
59‑60Bobcat 3.25 64-bit2727+20−2051.0%−5.739.3%840
50.9%
59‑60Delfi 5.4 2CPU2727+19−1940.4%+67.235.7%1017
59.7%
61Chessmaster 11 2CPU2722+35−3547.5%+16.039.4%259
51.3%
62Godel 3.4.9 64-bit2721+31−3150.9%−5.036.5%340
75.9%
63Rhetoric 1.2 64-bit2706+31−3151.4%−8.943.3%319
53.2%
64Chess Tiger 2007.12705+10−1045.3%+30.242.4%3205
54.5%
65ProDeo 1.862703+32−3250.8%−7.536.9%312
65.0%
66iCE 1.0 64-bit2695+20−2051.4%−11.238.9%807
73.0%
67Atlas 3.60 64-bit2685+27−2747.8%+13.135.5%459
58.1%
68Daydreamer 1.75 64-bit2681+20−2048.5%+12.040.1%781
84.9%
69Movei 00.8.438 (10 10 10)2669+12−1247.4%+15.337.7%2562
52.3%
70RedQueen 1.1.97 64-bit2668+31−3246.7%+21.629.4%347
70.0%
71‑72Alaric 7072659+12−1248.9%+7.534.2%2483
50.4%
71‑72Tucano 4.00 64-bit2659+39−3949.5%+1.533.3%213
53.2%
73Pawny 1.0 64-bit2657+23−2349.2%+4.936.0%619
60.7%
74Djinn 1.010 64-bit2652+30−3049.3%+6.334.3%361
55.8%
75E.T. Chess 13.01.082649+14−1449.3%+4.237.1%1646
52.9%
76Pharaon 3.5.1 4CPU2648+34−3435.0%+97.236.4%297
52.5%
77‑78Cyrano 0.6b17 32-bit2646+15−1547.9%+13.741.1%1515
52.0%
77‑78Philou 3.7.1 64-bit2646+17−1749.6%+1.936.2%1134
56.9%
79The Baron 2.23 64-bit2643+28−2850.4%−4.333.4%419
53.4%
80Colossus 2008b2642+13−1348.7%+8.137.9%2066
63.9%
81Slow Chess Blitz WV2.12639+12−1248.1%+12.236.7%2461
86.6%
82Gandalf 62630+12−1246.2%+25.335.7%2628
59.2%
83WildCat 82627+14−1448.9%+6.835.2%1752
54.5%
84Rotor 0.7a2626+27−2750.9%−7.531.8%446
50.5%
85Ruffian 2.1.02625+14−1446.9%+22.337.3%1787
70.6%
86Hamsters 0.7.12620+15−1548.4%+11.038.9%1473
60.1%
87Nebula 2.0 64-bit2616+24−2447.2%+18.333.9%558
64.4%
88Sloppy 0.2.2 64-bit2610+21−2149.6%+2.430.8%754
58.5%
89Andscacs 0.62u 64-bit2605+35−3552.1%−15.338.8%260
62.1%
90Glass 2.0 64-bit2599+22−2251.5%−9.934.6%685
54.3%
91Aristarch 4.502598+13−1347.5%+17.832.0%2313
60.3%
92Petir 4.392594+23−2349.4%+1.637.3%638
60.5%
93Pseudo 0.7c2590+14−1450.6%−3.837.6%1754
54.1%
94CuckooChess 1.12 32-bit2589+27−2747.8%+15.830.4%481
52.4%
95Amyan 1.722588+13−1351.0%−6.631.0%1989
62.6%
96N2 0.4 64-bit2584+18−1849.8%+1.034.9%1032
67.1%
97GarboChess 3.0 64-bit2578+21−2151.7%−10.331.0%798
76.1%
98DanaSah 5.072566+26−2648.6%+8.041.4%485
51.8%
99Brutus 8.05 32-bit2565+17−1749.3%+3.636.8%1134
58.7%
100Arminius 2013-08-10 64-bit2561+32−3246.9%+22.627.2%342
52.6%
101Francesca MAD 0.192560+17−1746.9%+21.933.1%1163
55.4%
102SOS 5.12559+14−1447.8%+13.034.1%1786
62.5%
103Anaconda 2.0.12554+27−2747.9%+11.835.2%458
60.5%
104GreKo 9.7 64-bit2548+35−3548.8%+5.341.4%249
55.3%
105Rodin 6.02545+25−2649.2%+3.837.1%499
60.1%
106‑107AnMon 5.662540+23−2350.4%−2.731.2%650
49.5%
106‑107Ufim 8.022540+13−1349.3%+3.331.0%2009
73.1%
108nanoSzachy 4.0 64-bit2532+22−2246.6%+22.832.4%680
85.8%
109Hermann 2.8 64-bit2515+21−2148.4%+11.826.9%813
60.6%
110Nimzo 82511+28−2845.5%+33.132.2%453
51.8%
111Cheese 1.5 64-bit2510+29−2950.3%−3.038.7%375
58.5%
112Little Goliath Evolution 3.122506+18−1846.5%+23.633.5%1015
64.9%
113Tao 5.62501+17−1749.6%+3.127.1%1194
56.0%
114LittleThought 1.052 64-bit2499+21−2149.8%+0.523.7%827
73.3%
115Delphil 2.82489+23−2349.4%+3.333.6%633
59.2%
116Pupsi2 0.092485+26−2648.8%+9.032.3%499
55.9%
117‑118Xpdnt 0910072483+16−1649.3%+4.032.0%1355
48.9%
117‑118Yace 0.99.872483+19−1950.1%+0.427.7%981
56.9%
119‑120Matacz 1.32480+29−2947.4%+17.733.0%382
50.5%
119‑120Pepito 1.59 32-bit2480+24−2449.6%+0.734.0%583
50.8%
121‑123Anatoli 0.35k2479+17−1750.7%−6.132.1%1238
49.5%
121‑123Cerebro 3.03d2479+19−1949.8%−0.229.7%984
49.9%
121‑123SpiderChess 0706032479+23−2350.1%+2.739.6%604
53.4%
124BBChess 1.3b2478+25−2551.0%−6.438.1%525
51.9%
125Quark 2.352477+21−2149.7%+0.829.9%787
52.6%
126Trace 1.362476+21−2248.8%+8.626.5%765
52.7%
127Green Light Chess 3.01.2.22475+39−3945.0%+33.133.0%221
53.2%
128Bruja 1.9.1 64-bit2473+23−2349.8%+2.126.0%658
63.6%
129Counter 1.22468+17−1748.3%+11.438.2%1119
88.0%
130Dorky 4.3 64-bit2446+31−3149.7%+1.330.6%360
54.8%
131Eeyore 1.52 64-bit2444+24−2452.0%−14.425.7%614
57.1%
132Hussar 0.42441+19−1948.4%+10.828.6%984
58.3%
133Typhoon 1.00-3482437+37−3748.4%+11.227.8%255
57.7%
134PostModernist 10162432+25−2547.7%+15.229.0%545
56.9%
135Snitch 1.6.2 32-bit2429+24−2447.6%+16.228.7%614
57.4%
136Homer 2.012426+21−2049.1%+5.932.6%803
51.9%
137Abrok 5.02425+31−3149.3%+5.329.3%352
62.8%
138Betsabe II 1.30 64-bit2419+25−2550.8%−7.427.4%552
57.7%
139‑140KnightDreamer 3.32414+37−3748.8%+10.632.5%243
50.5%
139‑140Muse 0.899b2414+22−2247.6%+17.827.0%730
59.0%
141Kiwi 0.6d 32-bit2410+20−2046.4%+23.427.1%861
60.9%
142‑143Diablo 0.5.12406+19−1949.5%+4.331.6%924
50.9%
142‑143Queen 4.032406+20−2048.9%+5.734.5%860
51.9%
144Sjakk 2.0 64-bit2405+28−2846.8%+24.332.1%442
52.0%
145Dragon 4.62404+19−1946.3%+25.334.3%888
55.2%
146RomiChess P3k 32-bit2402+19−1949.2%+5.933.0%906
57.4%
147‑148Shallow r688 64-bit2399+30−3054.4%−35.029.4%398
49.7%
147‑148Tigran 2.4n 64-bit2399+32−3251.7%−12.930.6%346
52.3%
149Gaia 3.5 32-bit2398+23−2348.8%+8.329.0%627
51.7%
150‑151Amy 0.87b2397+26−2650.0%+3.125.6%516
50.6%
150‑151Comet B682397+24−2447.2%+19.425.3%640
52.5%
152Simplex 0.9.8 32-bit2396+31−3149.3%+3.131.3%345
56.3%
153Patzer 3.802392+26−2749.8%+2.525.3%506
52.3%
154pikoSzachy 3.42391+34−3548.6%+10.224.1%295
55.7%
155Phalanx XXII2388+24−2550.1%−1.123.5%595
58.0%
156‑158Gosu 0.162385+21−2147.4%+18.126.5%780
49.6%
156‑158Ifrit m1.8 64-bit2385+25−2548.0%+16.728.6%546
50.8%
156‑158Sorgenkind 0.42385+16−1652.3%−15.528.5%1493
57.2%
159‑160Amateur 2.822382+21−2247.0%+21.525.0%787
49.0%
159‑160Horizon 4.42382+18−1849.2%+4.926.3%1103
58.6%
161Sage 3.532380+18−1850.0%+0.227.9%1063
54.1%
162Alex 2.14a 64-bit2378+23−2351.6%−9.428.1%637
57.0%
163Thor's Hammer 2.28 32-bit2375+28−2849.5%+4.129.1%440
54.8%
164Jazz 721 64-bit2372+26−2648.1%+15.129.4%513
57.1%
165‑166OliThink 5.3.2 64-bit2369+23−2349.5%+5.525.3%679
49.8%
165‑166TJchess 1.1 32-bit2369+38−3846.4%+28.627.0%237
53.0%
167Ares 1.0042368+16−1649.4%+2.626.7%1395
64.5%
168Tytan 9.32362+24−2450.7%−4.825.9%633
77.1%
169Plisk 0.2.7d 32-bit2350+22−2251.0%−8.725.3%715
59.5%
170Flux 2.2.12346+23−2350.2%−0.530.3%657
54.5%
171‑172Capivara LK 0.09a02c 64-bit2343+37−3750.2%−0.239.0%228
50.0%
171‑172Myrddin 0.86 64-bit2343+26−2549.5%+3.930.7%527
54.4%
173Arion 1.72341+21−2151.8%−14.527.6%818
55.2%
174Ghost 2.0.1 32-bit2339+20−2051.5%−8.929.7%874
55.8%
175WChess 1.062337+32−3347.3%+15.833.0%315
65.7%
176Amundsen 0.80 32-bit2329+20−2147.5%+17.729.9%825
52.6%
177Aice 0.99.22328+21−2147.2%+19.826.3%787
57.5%
178Asterisk 0.62325+20−2148.9%+6.927.2%837
51.3%
179EveAnn 1.712324+36−3646.6%+24.232.8%262
60.0%
180Maverick 0.51 64-bit2318+33−3355.5%−38.225.2%317
52.2%
181‑182KnightX 1.922316+24−2449.3%+3.828.0%611
50.8%
181‑182Pedone 0.3 64-bit2316+40−4048.8%+6.731.6%206
51.1%
183‑184Averno 0.812315+25−2548.8%+7.626.4%556
49.8%
183‑184Butcher 1.61 64-bit2315+34−3444.7%+41.424.9%301
60.0%
185Sungorus 1.4 64-bit2309+31−3147.8%+16.024.1%378
51.5%
186Mediocre 0.42308+34−3450.8%−6.624.3%305
54.0%
187ECE 12.012306+22−2247.9%+14.625.1%722
52.2%
188Popochin 2.92305+34−3445.1%+39.330.7%306
54.8%
189Waxman 20102303+22−2251.7%−12.327.8%752
57.9%
190‑191Natwarlal 0.142300+21−2148.4%+11.524.2%827
49.5%
190‑191Zeus 1.272300+33−3351.4%−16.324.3%346
51.7%
192Bagatur 1.3a 64-bit2299+25−2552.1%−16.927.1%576
59.2%
193‑194Ant 2006-F2295+25−2448.5%+8.423.8%617
49.0%
193‑194Chezzz 1.0.32295+24−2449.8%−0.625.6%617
52.4%
195Joker 1.1.142294+22−2250.6%−4.927.8%730
59.2%
196Anechka 0.082290+20−2047.2%+22.326.5%890
67.3%
197AliChess 4.252283+23−2350.2%−2.924.7%649
55.2%
198Chaturanga 2.4.32281+26−2650.1%−1.426.7%539
79.9%
199Matilde 2008 32-bit2263+34−3451.5%−9.731.2%295
55.6%
200Gibbon 2.57a 64-bit2260+24−2450.9%−12.329.5%623
51.9%
201Chispa 4.0.32259+21−2149.4%+4.227.5%800
58.9%
202Exacto 0.e 64-bit2254+40−4054.3%−29.729.5%210
61.3%
203RattateChess 1.0 Nosferatu2246+23−2348.8%+11.528.1%640
62.5%
204Mango Paola Ajedrez 1.02239+40−4050.4%−5.120.7%242
52.0%
205‑206Ayito 0.2.9942237+25−2547.4%+18.222.4%572
51.1%
205‑206Beowulf 2.4a 64-bit2237+25−2553.2%−24.522.8%571
61.1%
207Atak 6.82232+20−2047.3%+19.622.8%883
57.9%
208‑209Dolphin 1.02229+24−2451.8%−16.024.5%640
49.1%
208‑209Feuerstein 0.4.6.12229+19−1949.1%+6.428.5%939
55.2%
210Absolute Zero 2.4.0.0 64-bit2227+38−3849.4%+2.620.9%254
53.0%
211FireFly 2.6.0 64-bit2225+33−3351.3%−11.523.1%342
58.8%
212KMTChess 1.2.1 64-bit2220+26−2649.5%+2.523.4%548
57.5%
213Bearded N44.2 32-bit2215+36−3651.1%−7.025.4%268
55.4%
214ChessAlex 2.0r42212+24−2449.0%+4.729.0%589
59.9%
215Adam 3.32208+23−2351.8%−14.221.6%733
51.3%
216Uralochka 1.1b2207+21−2148.5%+11.026.6%835
65.7%
217‑218MadChess 1.3 64-bit2199+36−3647.7%+18.219.8%278
48.9%
217‑218ZCT 0.3.24512199+27−2749.4%+4.225.5%478
55.2%
219Neurosis 2.52197+17−1749.1%+6.928.6%1218
57.1%
220ChessKISS 1.7 64-bit2194+26−2648.6%+5.430.8%522
55.5%
221BlackBishop 1.02192+19−1848.9%+8.127.3%1034
61.9%
222Latista (Sinobyl) 1.52187+28−2949.1%+2.925.2%441
53.2%
223Alf 1.092185+25−2549.6%−0.629.3%566
58.8%
224OBender 3.2.4.22182+20−2049.9%+1.525.4%899
52.3%
225Buzz 0.08 32-bit2181+28−2851.1%−8.025.4%472
51.9%
226ProChess 1.02AD2180+27−2751.2%−14.622.8%527
50.7%
227Fischerle 0.9.30b 64-bit2179+32−3249.7%−3.324.4%360
63.8%
228Kurt 0.9.2.2 64-bit2172+26−2649.5%+3.822.6%553
56.9%
229Carballo 0.82168+29−2942.6%+51.932.8%412
53.4%
230NagaSkaki 5.122166+20−2050.6%−4.728.0%876
66.1%
231Lime 662160+23−2350.2%−2.821.1%729
66.9%
232Chesley r323 32-bit2153+25−2549.2%+6.220.5%595
71.2%
233KnockOut 0.7.1 32-bit2144+16−1651.8%−13.126.7%1416
93.0%
234Prophet 2.02126+19−1949.2%+4.523.8%1011
52.2%
235Parrot 07.01.162124+32−3246.0%+30.421.5%354
84.6%
236Clarabit 1.00 32-bit2104+22−2247.6%+14.329.9%736
68.5%
237Napoleon 1.4.0 64-bit2092+42−4252.1%−20.519.5%210
77.7%
238BikJump 2.01 32-bit2074+18−1850.3%−2.027.3%1062
87.1%
239Protej 0.5.72055+26−2646.8%+22.724.0%520
52.7%
240BigLion 2.23x2054+21−2145.1%+35.627.5%812
62.7%
241PLP 16615712049+25−2547.2%+19.723.9%568
68.3%
242Jabba 1.0 32-bit2041+24−2446.6%+24.426.9%603
75.6%
243Matheus 2.32028+25−2545.1%+37.722.7%599
55.5%
244Mustang 4.972026+27−2743.9%+40.530.8%484
53.8%
245Bubble 1.52024+22−2243.9%+45.121.1%767
55.9%
246Monarch 1.72022+22−2245.9%+39.119.5%858
50.3%
247Slibo 0.5.12021+26−2645.5%+34.019.4%573
67.6%
248Cupcake 1.1a2010+42−4347.4%+20.513.5%229
60.0%
249ChessMind 0.822003+26−2645.9%+30.117.1%580
56.7%
250BibiChess 0.52000+28−2848.5%+11.124.1%474
64.1%
251BSC 3.91991+37−3745.1%+37.924.0%263
55.7%
252Schola 1.1.01988+27−2745.7%+31.426.0%480
70.5%
253AdroitChess 0.3 32-bit1975+35−3543.8%+50.519.0%315
54.5%
254Heracles 0.6.161973+27−2746.2%+27.027.9%499
53.5%
255Dabbaba 5.671971+39−3942.9%+52.221.4%248
50.4%
256Zeta Dva 0220 64-bit1970+41−4144.4%+46.916.7%233
70.8%
257Marvin 1.3.01957+25−2643.2%+50.122.5%570
55.6%
258Monik 2.2.3 32-bit1954+32−3245.9%+27.727.5%345
57.7%
259Rival 1.181949+27−2745.8%+30.625.3%495
53.0%
260Soldat III 0.1721948+33−3340.0%+80.317.2%379
66.3%
261Smash 1.0.31938+26−2640.8%+74.617.8%574
53.9%
262MatMoi 7.15.0-cct1936+25−2542.7%+55.524.5%568
65.6%
263Micro-Max 4.8 (DM-PII)1929+25−2648.6%+11.025.1%541
78.1%
264Reger 0.091914+26−2640.6%+70.621.6%570
71.5%
265Clueless 1.41903+23−2340.4%+77.317.4%726
54.5%
266Warrior 1.0.31902+25−2544.9%+37.523.9%570
56.5%
267GChess IV 0.2.01898+27−2840.5%+70.627.3%469
78.7%
268Surprise 4.3b131882+29−3038.9%+87.619.1%446
88.6%
269Predateur 2.2 64-bit1851+41−4239.6%+79.418.1%216
63.4%
270BeRoChess 1.00 32-bit1841+37−3837.4%+98.122.9%266
96.5%
271Ziggurat 0.18 64-bit1791+41−4329.3%+160.424.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Houdi
2
Stock
3
Komod
4
Gull
5
Critt
6
Fire
7
Rybka
8
Strel
9
Chiro
10
Hanni
11
Black
12
Naum
1Houdini 4 64-bit 4CPU3274 43 − 55
+17−29=52
−60		28.5 − 25.5
+10−7=37
−24		20 − 14
+13−7=14
−16		37 − 14
+25−2=24
+38		24 − 10
+15−1=18
+13		23 − 11
+16−4=14
−1		 39 − 12
+30−3=18
+5		44 − 10
+34−0=20
+32		 40.5 − 11.5
+32−3=17
−8
2Stockfish DD 64-bit 4CPU324955 − 43
+29−17=52
+60		 57.5 − 46.5
+23−12=69
+14		1 − 1
+0−0=2
−48		28.5 − 25.5
+9−6=39
−61		22.5 − 11.5
+11−0=23
+1		23.5 − 10.5
+16−3=15
+27		 71 − 21
+53−3=36
+29		29 − 13
+17−1=24
−45		 33.5 − 8.5
+26−1=15
+27
3Komodo TCEC 64-bit 4CPU323525.5 − 28.5
+7−10=37
+24		46.5 − 57.5
+12−23=69
−14		 16 − 18
+5−7=22
−47		35.5 − 18.5
+21−4=29
+30		20 − 14
+7−1=26
−24		32.5 − 19.5
+17−4=31
−2		 36 − 15
+25−4=22
−3		1 − 1
+0−0=2
−141		 45.5 − 8.5
+37−0=17
+83
4Gull 2.8b 64-bit 4CPU320114 − 20
+7−13=14
+16		1 − 1
+0−0=2
+48		18 − 16
+7−5=22
+47		 18.5 − 15.5
+9−6=19
−1		1 − 1
+0−0=2
−36		  21.5 − 11.5
+16−6=11
0		2 − 0
+2−0=0
+INF		 26 − 7
+20−1=12
+67
5Critter 1.6a 64-bit 4CPU317414 − 37
+2−25=24
−38		25.5 − 28.5
+6−9=39
+61		18.5 − 35.5
+4−21=29
−30		15.5 − 18.5
+6−9=19
+1		 17 − 17
+4−4=26
−7		24.5 − 25.5
+9−10=31
−20		32.5 − 22.5
+13−3=39
−9		2 − 0
+2−0=0
+INF		18 − 14
+10−6=16
−41		 61.5 − 26.5
+41−6=41
+21
6Fire 3.0 64-bit 4CPU316510 − 24
+1−15=18
−13		11.5 − 22.5
+0−11=23
−1		14 − 20
+1−7=26
+24		1 − 1
+0−0=2
+36		17 − 17
+4−4=26
+7		   2 − 0
+2−0=0
+INF		19.5 − 14.5
+9−4=21
−31		 21 − 12
+15−6=12
0
7Rybka 4 64-bit 4CPU315911 − 23
+4−16=14
+1		10.5 − 23.5
+3−16=15
−27		19.5 − 32.5
+4−17=31
+2		 25.5 − 24.5
+10−9=31
+20		      32 − 25
+12−5=40
−52
8Strelka 5.5 64-bit3117    22.5 − 32.5
+3−13=39
+9		     20 − 18
+7−5=26
−25		4.5 − 1.5
+4−1=1
+158
9Chiron 2 64-bit 4CPU310112 − 39
+3−30=18
−5		21 − 71
+3−53=36
−29		15 − 36
+4−25=22
+3		11.5 − 21.5
+6−16=11
0		0 − 2
+0−2=0
−INF		0 − 2
+0−2=0
−INF		   3 − 1
+2−0=2
+149		 2.5 − 1.5
+1−0=3
+32
10Hannibal 1.4b 64-bit 4CPU309410 − 44
+0−34=20
−32		13 − 29
+1−17=24
+45		1 − 1
+0−0=2
+141		0 − 2
+0−2=0
−INF		14 − 18
+6−10=16
+41		14.5 − 19.5
+4−9=21
+31		  1 − 3
+0−2=2
−149		  17 − 17
+7−7=20
−20
11BlackMamba 2.0 64-bit3077       18 − 20
+5−7=26
+25		    
12Naum 4.2 64-bit 4CPU307411.5 − 40.5
+3−32=17
+8		8.5 − 33.5
+1−26=15
−27		8.5 − 45.5
+0−37=17
−83		7 − 26
+1−20=12
−67		26.5 − 61.5
+6−41=41
−21		12 − 21
+6−15=12
0		25 − 32
+5−12=40
+52		1.5 − 4.5
+1−4=1
−158		1.5 − 2.5
+0−1=3
−32		17 − 17
+7−7=20
+20		  
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
Gul
5
Cri
6
Fir
7
Ryb
8
Str
9
Chi
10
Han
11
Bla
12
Nau
1Houdini 4 64-bit 4CPU3274 97.799.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Stockfish DD 64-bit 4CPU32492.3 86.199.6100.0100.0100.0100.0100.0100.0100.0100.0
3Komodo TCEC 64-bit 4CPU32350.113.9 97.5100.0100.0100.0100.0100.0100.0100.0100.0
4Gull 2.8b 64-bit 4CPU32010.00.42.5 95.796.999.4100.0100.0100.0100.0100.0
5Critter 1.6a 64-bit 4CPU31740.00.00.04.3 73.895.3100.0100.0100.0100.0100.0
6Fire 3.0 64-bit 4CPU31650.00.00.03.126.2 66.5100.0100.0100.0100.0100.0
7Rybka 4 64-bit 4CPU31590.00.00.00.64.733.5 100.0100.0100.0100.0100.0
8Strelka 5.5 64-bit31170.00.00.00.00.00.00.0 84.096.799.9100.0
9Chiron 2 64-bit 4CPU31010.00.00.00.00.00.00.016.0 64.288.995.6
10Hannibal 1.4b 64-bit 4CPU30940.00.00.00.00.00.00.03.335.8 85.396.3
11BlackMamba 2.0 64-bit30770.00.00.00.00.00.00.00.111.114.7 58.8
12Naum 4.2 64-bit 4CPU30740.00.00.00.00.00.00.00.04.43.741.2 
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

509'589 games (97.94 MB)

All games with comments

509'589 games (305.63 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 19, 2014