CCRL 40/40
Downloads and Statistics
May 11, 2013
Testing summary:
Total: 450'940 games
played by 1'316 programs
60748 CPU days (X2 4600+)

White wins: 160'416 (35.6%)
Black wins: 118'992 (26.4%)
Draws: 171'532 (38.0%)
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 May 11, 2013 with Bayeselo based on 450'940 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 3 64-bit 4CPU3252+17−1770.7%−133.543.4%1193 
100.0%
2Critter 1.6a 64-bit 4CPU3175+14−1459.0%−54.658.1%1520
79.2%
3Rybka 4 64-bit 4CPU3167+14−1460.7%−70.549.0%1577
58.1%
4Stockfish 2.2.2 64-bit 4CPU3164+16−1659.5%−58.053.3%1121
89.6%
5Bouquet 1.5 64-bit 4CPU3144+28−2848.2%+10.762.2%352
91.0%
6Komodo 5 64-bit3123+11−1157.9%−50.251.5%2667
81.7%
7Strelka 5.5 64-bit3115+13−1357.0%−43.155.8%1750
100.0%
8Naum 4.2 64-bit 4CPU3082+12−1249.4%+2.150.2%2210
71.4%
9Hiarcs 14 4CPU3075+19−1943.7%+38.051.9%777
53.4%
10Chiron 1.1a 64-bit 4CPU3074+25−2544.0%+37.350.6%482
86.1%
11Gull R375 64-bit 4CPU3055+24−2539.7%+58.558.4%473
58.2%
12Deep Fritz 13 4CPU3051+22−2238.1%+71.250.2%600
57.9%
13Hannibal 1.3 64-bit 4CPU3048+25−2539.2%+66.448.9%489
59.3%
14Deep Junior 13 64-bit 4CPU3044+17−1742.3%+47.749.7%1082
56.7%
15BlackMamba 1.4 64-bit3040+37−3746.6%+21.754.6%207
58.2%
16Spike 1.4 Leiden 4CPU3036+14−1442.1%+49.046.4%1735
60.7%
17Deep Shredder 12 64-bit OA On 4CPU3034+12−1248.7%+8.045.6%2387
99.8%
18Protector 1.4.0 64-bit 4CPU2998+22−2237.5%+80.942.6%680
81.7%
19Zappa Mexico II 64-bit 4CPU2986+11−1049.2%+4.247.8%2992
76.8%
20Spark 1.0 64-bit 4CPU2979+18−1838.9%+71.244.8%958
99.6%
21Deep Sjeng c't 20102948+11−1145.0%+32.245.8%2663
63.8%
22Onno 1.2.70 64-bit 4CPU2942+28−2850.6%−2.348.1%387
58.7%
23Thinker 5.4D Inert 64-bit 4CPU2938+29−2950.7%−5.648.9%354
92.7%
24Toga II 1.4.1SE 4CPU2915+13−1349.0%+7.041.6%2092
57.2%
25Quazar 0.4 64-bit2913+19−1950.2%−0.242.3%913
63.0%
26Bright 0.4a 4CPU2908+15−1549.9%+1.740.4%1415
68.2%
27Tornado 4.88 64-bit 4CPU2898+36−3653.9%−26.742.8%243
66.5%
28MinkoChess 1.3 64-bit 4CPU2888+38−3852.3%−19.440.7%216
74.0%
29Crafty 23.4 64-bit 4CPU2871+38−3848.6%+7.234.5%220
50.4%
30Gaviota 0.86 64-bit 4CPU2870+36−3565.9%−110.332.8%271
60.2%
31Nemo 1.0.1 64-bit2865+19−1951.0%−8.342.9%827
69.7%
32Loop M1-T 64-bit 4CPU2859+12−1243.2%+42.945.2%2447
84.6%
33Booot 5.1.02850+11−1143.4%+44.441.2%2939
85.7%
34Jonny 4.00 4CPU2831+30−3047.8%+5.036.4%365
50.9%
35BugChess2 1.9 64-bit 4CPU2830+35−3551.4%−15.939.6%278
82.6%
36Dirty 20Apr2013 64-bit2804+37−3755.1%−34.333.1%236
68.8%
37Texel 1.01 64-bit2792+22−2248.3%+10.833.6%663
63.6%
38Scorpio 2.7.5 64-bit2786+29−2949.5%+2.040.5%380
66.4%
39SmarThink 1.20 64-bit2778+20−2055.3%−37.235.4%859
61.7%
40Naraku 1.42773+23−2348.8%+8.424.3%704
58.2%
41‑42Frenzee 3.5.19 64-bit2770+23−2348.5%+10.933.8%618
50.9%
41‑42Twisted Logic 20100131x 64-bit2770+21−2152.0%−15.934.7%737
73.6%
43Bison 9.11 64-bit2758+28−2850.1%−2.133.6%420
52.2%
44Ktulu 92757+14−1445.4%+30.139.1%1777
91.0%
45Chronos 1.9.9 32-bit2742+17−1750.5%−0.943.1%1094
82.0%
46‑47Delfi 5.4 2CPU2730+18−1940.4%+67.435.7%1017
49.8%
46‑47DiscoCheck 3.7.1 64-bit2730+32−3253.9%−28.736.0%317
58.0%
48Chessmaster 11 2CPU2725+35−3547.5%+16.339.4%259
58.5%
49Arasan 15.1 64-bit2720+36−3651.2%−8.738.0%245
51.8%
50Bobcat 3.25 64-bit2719+26−2648.5%+10.836.6%470
79.2%
51‑52Chess Tiger 2007.12707+11−1145.1%+32.442.5%3122
49.8%
51‑52EXchess 6.50b 64-bit2707+37−3752.5%−16.936.7%237
57.4%
53Octochess r4741 64-bit2702+35−3552.0%−10.241.9%248
53.7%
54ProDeo 1.812700+39−3950.2%−4.637.7%204
77.0%
55Daydreamer 1.75 64-bit2683+21−2148.4%+12.139.4%728
81.6%
56Movei 00.8.438 (10 10 10)2672+12−1247.4%+15.037.8%2528
52.4%
57Deuterium 10.01.27.2132671+22−2251.8%−14.833.9%704
72.9%
58Alaric 7072663+12−1249.1%+6.134.2%2449
78.4%
59Philou 3.7.1 64-bit2654+20−2050.3%−2.537.2%784
51.1%
60Pharaon 3.5.1 4CPU2653+32−3335.4%+93.037.7%321
53.3%
61E.T. Chess 13.01.082651+14−1449.3%+4.537.1%1646
60.7%
62Cyrano 0.6b172649+15−1547.7%+13.841.3%1485
55.4%
63‑64Godel 2.3.7 64-bit2646+37−3746.1%+25.035.9%231
49.6%
63‑64The Baron 2.23 64-bit2646+30−3050.0%−2.432.8%375
53.5%
65‑66Cheng3 1.07 32-bit2644+31−3145.0%+33.530.2%361
49.3%
65‑66Colossus 2008b2644+13−1348.7%+8.837.9%2066
62.2%
67Slow Chess Blitz WV2.12642+12−1248.1%+12.236.7%2461
59.2%
68RedQueen 1.0.0 32-bit2639+24−2451.6%−8.135.9%576
55.9%
69Alfil 122636+25−2552.2%−18.233.5%528
62.4%
70Gandalf 62631+12−1246.0%+27.635.8%2568
57.4%
71‑72Ruffian 2.1.02630+14−1447.0%+21.137.0%1726
49.0%
71‑72WildCat 82630+14−1448.9%+6.335.2%1752
63.2%
73Rotor 0.7a2624+29−2951.4%−10.131.6%402
55.8%
74Hamsters 0.72621+31−3147.0%+20.737.5%333
57.9%
75Sloppy 0.2.3 64-bit2617+22−2250.3%−2.230.5%696
91.3%
76Aristarch 4.502599+13−1347.4%+19.432.0%2282
57.6%
77Petir 4.392597+23−2349.4%+1.537.3%638
51.1%
78Glass 1.9 64-bit2596+32−3251.3%−8.130.6%320
58.4%
79Pseudo 0.7c2592+14−1450.7%−4.237.9%1724
52.7%
80CuckooChess 1.122591+27−2747.8%+16.430.4%481
53.8%
81N2 0.4 64-bit2590+18−1850.4%−3.635.1%1004
56.2%
82Amyan 1.722588+13−1450.9%−5.830.7%1929
63.2%
83GarboChess 3.0 64-bit2584+22−2252.7%−17.831.6%721
70.1%
84Rodent 0.15 64-bit2572+37−3752.4%−14.038.2%225
52.5%
85GNU Chess 5.07.153b 64-bit2571+31−3058.0%−54.429.9%374
55.0%
86Brutus 8.05 64-bit2568+33−3346.2%+23.434.8%299
53.7%
87Francesca MAD 0.192566+18−1847.1%+20.632.6%1069
67.2%
88SOS 5.12561+14−1447.8%+13.334.1%1788
54.3%
89Atlas 3.25 64-bit2559+32−3251.4%−5.030.6%324
55.6%
90‑91Anaconda 2.0.12556+27−2747.9%+11.935.2%458
49.7%
90‑91DanaSah 5.002556+31−3151.2%−9.434.1%331
53.0%
92NanoSzachy 4.0 64-bit2555+30−3051.6%−13.632.8%366
66.9%
93Rodin 5.12545+31−3153.1%−21.429.4%354
56.2%
94Ufim 8.022542+13−1349.3%+3.330.9%2000
52.8%
95AnMon 5.662541+23−2350.4%−2.431.2%650
63.4%
96Tucano 1.042534+32−3245.6%+28.135.0%309
78.5%
97Hermann 2.8 64-bit2519+21−2148.4%+10.926.9%813
62.4%
98Nimzo 82513+27−2845.5%+33.332.2%453
62.0%
99Little Goliath Evolution 3.122508+18−1846.4%+23.933.5%1014
66.1%
100Tao 5.62503+17−1749.6%+2.727.1%1194
68.3%
101‑102LittleThought 1.052 64-bit2496+22−2250.6%−5.223.0%710
49.4%
101‑102Pawny 0.3 64-bit2496+40−4054.6%−33.125.9%216
58.2%
103Delphil 2.82491+23−2349.4%+3.333.6%633
58.9%
104GreKo 8.0 64-bit2487+27−2750.6%−3.631.9%464
56.0%
105‑106Xpdnt 0910072485+16−1649.3%+4.132.0%1355
47.7%
105‑106Yace 0.99.872485+19−1950.2%+0.227.6%977
60.7%
107‑109Anatoli 0.35k2482+17−1750.9%−7.732.3%1234
50.1%
107‑109Matacz 1.32482+29−2947.4%+17.733.0%382
49.7%
107‑109SpiderChess 0706032482+23−2350.1%+2.339.6%604
52.6%
110‑111Cerebro 3.03d2481+19−1949.8%−0.829.7%980
49.1%
110‑111Pepito 1.59 32-bit2481+24−2449.6%+1.534.0%583
56.2%
112‑115BBChess 1.3b2479+25−2551.0%−6.738.1%525
48.7%
112‑115Pupsi2 0.092479+35−3546.0%+29.230.2%275
51.3%
112‑115Quark 2.352479+21−2149.7%+0.229.9%787
48.4%
112‑115Trace 1.362479+22−2249.1%+6.526.1%754
54.0%
116Green Light Chess 3.01.2.22477+39−3945.0%+33.433.0%221
53.8%
117Bruja 1.9.1 64-bit2475+23−2349.8%+2.126.0%658
64.3%
118Counter 1.22469+17−1748.3%+12.138.2%1119
60.6%
119Cheese 1.4 64-bit2465+24−2456.1%−44.627.7%610
59.3%
120iCE 0.32461+31−3151.4%−12.423.4%368
59.0%
121Murka 2.0 64-bit2456+26−2648.0%+11.724.7%527
61.3%
122Dorky 4.3 64-bit2450+33−3350.3%−2.628.6%322
57.3%
123Eeyore 1.52 64-bit2446+25−2552.7%−19.225.8%578
63.4%
124Hussar 0.42441+19−1948.2%+12.628.4%978
54.3%
125Typhoon 1.00-3482439+37−3748.4%+11.127.8%255
57.7%
126PostModernist 10162434+25−2547.7%+15.129.0%545
56.8%
127Snitch 1.6.2 32-bit2431+24−2447.6%+16.128.7%614
58.2%
128Homer 2.012428+20−2049.1%+5.632.6%803
57.1%
129Abrok 5.02425+31−3149.3%+5.028.9%342
62.8%
130‑131KnightDreamer 3.32416+37−3748.8%+10.732.5%243
51.2%
130‑131Muse 0.899b2416+22−2247.6%+17.627.0%730
58.8%
132Kiwi 0.6d2412+20−2046.4%+23.327.1%861
62.2%
133‑134Diablo 0.5.12408+19−1949.5%+3.831.6%924
50.3%
133‑134Queen 4.03a2408+20−2048.9%+5.434.5%860
53.9%
135Dragon 4.62406+19−1946.3%+25.334.3%888
56.5%
136RomiChess P3k 32-bit2404+19−1949.2%+5.333.0%906
60.9%
137Djinn 0.925x2400+23−2346.6%+22.327.9%646
51.6%
138‑140Amy 0.87b2399+26−2650.0%+2.925.6%516
50.9%
138‑140Comet B682399+24−2447.2%+19.125.3%640
48.1%
138‑140Gaia 3.5 32-bit2399+23−2348.8%+8.729.0%627
53.4%
141Simplex 0.9.8 32-bit2398+31−3149.3%+3.231.3%345
57.1%
142Patzer 3.802394+26−2649.8%+2.125.3%506
53.0%
143PikoSzachy 3.42392+34−3548.6%+10.324.1%295
54.7%
144Phalanx XXII2390+25−2450.1%−1.423.5%595
58.0%
145Gosu 0.162386+21−2147.4%+18.926.5%780
54.8%
146Sorgenkind 0.42385+16−1652.3%−15.228.5%1451
52.3%
147Horizon 4.42384+18−1849.2%+4.626.3%1103
52.0%
148Amateur 2.822383+21−2247.0%+21.725.0%787
56.9%
149Sage 3.532381+18−1850.0%+0.527.9%1063
60.4%
150Thor's Hammer 2.28 32-bit2376+28−2849.5%+4.629.1%440
51.9%
151‑152Ifrit m1.8 64-bit2375+35−3546.8%+24.526.8%284
50.5%
151‑152TJchess 1.1 32-bit2375+40−4145.7%+32.625.1%211
55.2%
153Alex 2.14a 64-bit2372+26−2650.9%−4.826.3%514
56.4%
154‑155Ares 1.0042369+16−1649.4%+3.126.7%1395
50.1%
154‑155OliThink 5.3.2 64-bit2369+28−2847.8%+17.122.7%472
61.0%
156Tytan 9.32364+24−2450.7%−5.325.9%633
62.4%
157Plisk 0.2.62357+36−3651.3%−8.226.7%266
54.1%
158Betsabe II 1.28 64-bit2354+39−3949.1%+9.027.0%222
61.7%
159Flux 2.2.12347+23−2350.2%−0.530.3%657
61.2%
160Arion 1.72343+21−2151.8%−15.527.6%818
54.8%
161Ghost 2.0.12341+20−2051.5%−9.629.7%874
55.4%
162WChess 1.062338+32−3347.3%+16.433.0%315
65.7%
163Amundsen 0.80 32-bit2330+21−2047.5%+18.229.9%825
52.0%
164Aice 0.99.22329+21−2147.2%+20.126.3%777
58.5%
165Asterisk 0.62326+20−2148.9%+7.127.2%837
61.6%
166‑167EveAnn 1.672319+41−4059.4%−59.333.0%203
49.9%
166‑167Sjakk 1.1.92319+29−2950.2%−1.125.4%429
51.2%
168‑169Butcher 1.61 64-bit2318+36−3744.3%+42.723.5%264
50.9%
168‑169KnightX 1.922318+24−2449.3%+3.328.0%611
52.2%
170Averno 0.812317+25−2548.8%+7.326.4%556
53.4%
171Popochin 2.92315+36−3745.0%+40.231.5%270
56.3%
172Sungorus 1.4 64-bit2311+31−3147.8%+15.824.1%378
51.7%
173ECE 12.012310+26−2649.9%−2.126.6%503
52.6%
174‑175Bagatur 1.3a 64-bit2309+37−3652.9%−25.129.6%257
49.8%
174‑175Mediocre 0.42309+34−3450.8%−7.024.3%305
59.9%
176Waxman 20102304+22−2151.7%−12.227.8%752
51.2%
177Zeus 1.272303+34−3451.8%−19.023.2%336
54.5%
178Natwarlal 0.142301+21−2148.4%+11.624.2%827
59.1%
179Chezzz 1.0.32297+24−2449.8%−0.825.6%617
51.3%
180Ant 2006-F2296+24−2548.5%+9.023.8%617
52.6%
181Joker 1.1.142295+22−2250.6%−4.727.8%730
56.4%
182Anechka 0.082293+20−2146.9%+23.826.7%850
59.5%
183Capivara LK 0.09a01a 64-bit2288+35−3557.2%−55.436.7%278
56.5%
184AliChess 4.252284+23−2350.3%−3.824.7%651
54.7%
185Chaturanga 2.4.32282+26−2650.1%−1.526.7%539
75.6%
186Gibbon 2.57a 64-bit2267+32−3252.0%−23.329.3%345
55.0%
187Matilde 20082264+34−3451.5%−9.531.2%295
56.9%
188Chispa 4.0.32261+21−2149.4%+3.727.5%800
58.9%
189Jazz 444 64-bit2255+39−3951.0%−6.319.6%240
59.6%
190RattateChess 1.0 Nosferatu2250+24−2448.9%+9.928.5%610
69.4%
191Beowulf 2.4a 64-bit2240+26−2654.2%−31.022.6%553
67.6%
192‑193Atak 6.82233+20−2047.3%+19.022.7%885
50.1%
192‑193Tigran 2.3 64-bit2233+39−4046.7%+13.124.5%229
50.3%
194Ayito 0.2.9942232+26−2646.5%+24.822.7%538
54.2%
195Feuerstein 0.4.6.12231+19−1949.1%+5.528.5%939
53.4%
196Dolphin 1.02229+24−2451.8%−15.924.5%640
66.5%
197KMTChess 1.2.1 64-bit2222+26−2649.5%+2.423.4%548
62.9%
198Bearded N44.2 32-bit2214+36−3651.1%−7.425.4%268
51.3%
199‑200ChessAlex 2.0r42213+24−2449.0%+4.729.0%589
51.4%
199‑200Myrddin 0.85 64-bit2213+27−2752.8%−21.322.2%490
55.1%
201FireFly 2.5.12 64-bit2210+37−3752.1%−17.122.3%264
52.1%
202Uralochka 1.1b2208+21−2148.5%+11.126.6%835
56.1%
203Adam 3.32206+23−2351.8%−13.722.1%705
62.6%
204ZCT 0.3.24512200+27−2749.4%+4.025.5%478
54.3%
205Neurosis 2.52198+17−1749.1%+7.128.6%1218
66.4%
206BlackBishop 1.02193+19−1848.9%+8.227.3%1034
51.0%
207‑208ChessKiss 1.7 64-bit2192+34−3451.0%−13.330.9%298
50.8%
207‑208Vajolet 1.62.12192+37−3844.8%+30.828.0%250
55.0%
209Latista (Sinobyl) 1.52189+30−3050.0%−3.324.9%389
55.3%
210Alf 1.092186+25−2549.6%−0.829.3%566
58.7%
211‑212Buzz 0.08 32-bit2182+28−2851.1%−7.825.4%472
48.9%
211‑212OBender 3.2.4.22182+20−2049.9%+2.225.4%899
65.7%
213Shallow 1.0 64-bit2174+33−3349.8%−2.826.8%321
52.9%
214Kurt 0.9.2.2 64-bit2172+26−2649.5%+4.522.6%553
61.5%
215NagaSkaki 5.122167+20−2050.6%−4.628.0%876
66.3%
216Lime 662161+23−2350.2%−3.021.1%729
70.5%
217Chesley r3232152+25−2549.2%+6.720.6%597
65.4%
218KnockOut 0.7.12146+16−1652.1%−15.426.8%1400
51.5%
219ProChess 1.02AD2145+40−4057.5%−63.821.7%240
78.0%
220Prophet 2.02127+19−1949.3%+3.824.0%1005
51.4%
221Parrot 07.01.162126+32−3246.0%+29.821.5%354
85.6%
222Clarabit 1.002105+22−2247.6%+13.829.9%736
79.1%
223Carballo 0.5 32-bit2091+23−2347.2%+20.321.9%688
86.8%
224BikJump 2.012074+18−1850.3%−1.527.3%1062
87.6%
225Protej 0.5.72056+26−2646.8%+21.824.0%520
53.1%
226BigLion 2.23x2054+21−2145.2%+35.027.4%798
54.8%
227Rhetoric 0.10d2052+35−3548.4%+22.221.4%318
56.4%
228PLP 16615712048+25−2546.9%+22.224.0%559
66.6%
229Jabba 1.02041+24−2446.6%+24.526.9%603
74.1%
230Matheus 2.32029+25−2545.1%+37.722.7%599
56.0%
231Mustang 4.972026+27−2743.9%+41.330.8%484
59.2%
232Bubble 1.52022+22−2243.7%+46.720.9%751
52.8%
233Slibo 0.5.12021+26−2645.5%+33.519.4%573
51.1%
234Monarch 1.72020+22−2245.6%+41.919.7%847
84.2%
235ChessMind 0.822003+26−2645.9%+30.417.1%580
60.7%
236BibiChess 0.51998+28−2848.2%+13.124.1%478
60.3%
237BSC 3.91992+37−3844.9%+39.224.1%253
56.5%
238Schola 1.1.01988+27−2745.7%+31.726.0%480
78.6%
239Heracles 0.6.161973+26−2746.2%+27.327.9%499
64.3%
240AdroitChess 0.3 32-bit1964+36−3642.5%+61.618.7%305
52.2%
241Dabbaba 5.671963+39−4042.0%+59.621.0%238
59.7%
242Marvin 1.3.01957+25−2643.2%+50.622.5%570
57.6%
243Monik 2.2.3 32-bit1953+32−3245.8%+28.827.8%335
60.4%
244Rival 1.181947+27−2745.6%+31.425.4%489
66.2%
245‑246Smash 1.0.31939+26−2640.8%+74.517.8%574
50.0%
245‑246Soldat III 0.1721939+35−3537.7%+97.717.2%337
56.0%
247MatMoi 7.15.01936+25−2642.8%+54.224.4%562
64.0%
248Micro-Max 4.8 (DM-PII)1929+26−2648.6%+11.325.1%541
77.9%
249Reger 0.091914+26−2640.6%+70.921.6%570
70.8%
250Clueless 1.41904+23−2340.4%+76.817.4%726
53.5%
251Warrior 1.0.31903+25−2545.2%+35.124.1%564
56.2%
252GChess IV 0.2.01900+28−2840.9%+66.627.4%463
79.8%
253Surprise 4.3b131882+29−3038.9%+88.019.1%446
88.7%
254Predateur 2.2 64-bit1852+41−4239.6%+78.618.1%216
64.5%
255BeRoChess 1.00 32-bit1840+39−4035.2%+114.322.4%246
95.7%
256Ziggurat 0.18 64-bit1792+41−4329.3%+160.124.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Houdini 3 64-bit 4CPU3252 63 − 39
+34−10=58
−9
19 − 9
+14−4=10
+36
18.5 − 10.5
+11−3=15
−7
23.5 − 10.5
+16−3=15
+12
34 − 11
+24−1=20
+32
28.5 − 10.5
+19−1=19
+3
28 − 10
+20−2=16
−20
30 − 13
+20−3=20
−55
26 − 6
+23−3=6
+67
22.5 − 5.5
+18−1=9
+13
25.5 − 6.5
+20−1=11
0
2Critter 1.6a 64-bit 4CPU317539 − 63
+10−34=58
+9
 24.5 − 25.5
+9−10=31
−13
35 − 25
+17−7=36
+35
52.5 − 40.5
+20−8=65
+5
35 − 24
+16−5=38
0
32.5 − 22.5
+13−3=39
−12
41.5 − 18.5
+28−5=27
+25
33 − 13
+21−1=24
+30
 22.5 − 9.5
+14−1=17
+2
26 − 10
+17−1=18
+8
3Rybka 4 64-bit 4CPU31679 − 19
+4−14=10
−36
25.5 − 24.5
+10−9=31
+13
 17 − 15
+7−5=20
+16
 18.5 − 13.5
+9−4=19
+2
 32 − 25
+12−5=40
−52
    
4Stockfish 2.2.2 64-bit 4CPU316410.5 − 18.5
+3−11=15
+7
25 − 35
+7−17=36
−35
15 − 17
+5−7=20
−16
  27.5 − 14.5
+18−5=19
+53
30 − 12
+21−3=18
+86
32.5 − 19.5
+21−8=23
−4
21 − 15
+10−4=22
−42
22.5 − 11.5
+16−5=13
+11
 24.5 − 11.5
+16−3=17
−1
5Bouquet 1.5 64-bit 4CPU314410.5 − 23.5
+3−16=15
−12
40.5 − 52.5
+8−20=65
−5
   27.5 − 26.5
+10−9=35
−16
1 − 1
+0−0=2
−29
1.5 − 0.5
+1−0=1
+80
1 − 1
+0−0=2
−69
  21 − 11
+12−2=18
−3
6Komodo 5 64-bit312311 − 34
+1−24=20
−32
24 − 35
+5−16=38
0
13.5 − 18.5
+4−9=19
−2
14.5 − 27.5
+5−18=19
−53
26.5 − 27.5
+9−10=35
+16
 31 − 37
+13−19=36
−34
20 − 16
+10−6=20
−11
25 − 17
+13−5=24
+4
 1 − 1
+0−0=2
−68
25 − 11
+16−2=18
+45
7Strelka 5.5 64-bit311510.5 − 28.5
+1−19=19
−3
22.5 − 32.5
+3−13=39
+12
 12 − 30
+3−21=18
−86
1 − 1
+0−0=2
+29
37 − 31
+19−13=36
+34
 4.5 − 1.5
+4−1=1
+167
24.5 − 17.5
+11−4=27
+6
2.5 − 1.5
+1−0=3
+26
1.5 − 1.5
+0−0=3
−70
20.5 − 15.5
+10−5=21
−28
8Naum 4.2 64-bit 4CPU308210 − 28
+2−20=16
+20
18.5 − 41.5
+5−28=27
−25
25 − 32
+5−12=40
+52
19.5 − 32.5
+8−21=23
+4
0.5 − 1.5
+0−1=1
−80
16 − 20
+6−10=20
+11
1.5 − 4.5
+1−4=1
−167
 22 − 24
+11−13=22
−21
7.5 − 8.5
+4−5=7
−28
20 − 9
+11−0=18
+76
17.5 − 18.5
+9−10=17
−42
9Hiarcs 14 4CPU307513 − 30
+3−20=20
+55
13 − 33
+1−21=24
−30
 15 − 21
+4−10=22
+42
1 − 1
+0−0=2
+69
17 − 25
+5−13=24
−4
17.5 − 24.5
+4−11=27
−6
24 − 22
+13−11=22
+21
 17.5 − 18.5
+7−8=21
−10
16.5 − 11.5
+8−3=17
+28
20.5 − 15.5
+12−7=17
+14
10Chiron 1.1a 64-bit 4CPU30746 − 26
+3−23=6
−67
  11.5 − 22.5
+5−16=13
−11
  1.5 − 2.5
+0−1=3
−26
8.5 − 7.5
+5−4=7
+28
18.5 − 17.5
+8−7=21
+10
  23 − 13
+14−4=18
+60
11Gull R375 64-bit 4CPU30555.5 − 22.5
+1−18=9
−13
9.5 − 22.5
+1−14=17
−2
   1 − 1
+0−0=2
+68
1.5 − 1.5
+0−0=3
+70
9 − 20
+0−11=18
−76
11.5 − 16.5
+3−8=17
−28
   
12Deep Fritz 13 4CPU30516.5 − 25.5
+1−20=11
0
10 − 26
+1−17=18
−8
 11.5 − 24.5
+3−16=17
+1
11 − 21
+2−12=18
+3
11 − 25
+2−16=18
−45
15.5 − 20.5
+5−10=21
+28
18.5 − 17.5
+10−9=17
+42
15.5 − 20.5
+7−12=17
−14
13 − 23
+4−14=18
−60
  
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
1Houdini 3 64-bit 4CPU3252 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Critter 1.6a 64-bit 4CPU31750.0 79.283.998.2100.0100.0100.0100.0100.0100.0100.0
3Rybka 4 64-bit 4CPU31670.020.8 58.192.2100.0100.0100.0100.0100.0100.0100.0
4Stockfish 2.2.2 64-bit 4CPU31640.016.141.9 89.6100.0100.0100.0100.0100.0100.0100.0
5Bouquet 1.5 64-bit 4CPU31440.01.87.810.4 91.096.0100.0100.0100.0100.0100.0
6Komodo 5 64-bit31230.00.00.00.09.0 81.7100.0100.0100.0100.0100.0
7Strelka 5.5 64-bit31150.00.00.00.04.018.3 100.099.999.8100.0100.0
8Naum 4.2 64-bit 4CPU30820.00.00.00.00.00.00.0 71.471.397.499.2
9Hiarcs 14 4CPU30750.00.00.00.00.00.00.128.6 53.490.995.2
10Chiron 1.1a 64-bit 4CPU30740.00.00.00.00.00.00.228.746.6 86.192.1
11Gull R375 64-bit 4CPU30550.00.00.00.00.00.00.02.69.113.9 58.2
12Deep Fritz 13 4CPU30510.00.00.00.00.00.00.00.84.87.941.8 
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

450'940 games (86.89 MB)

All games with comments

450'940 games (270.12 MB)

Selection of games

(Please don't use aggressive download managers)

Various statistics


Created in 2005-2013 by CCRL team
Last games added on May 11, 2013