CCRL 40/40
Downloads and Statistics
May 14, 2012
Testing summary:
Total: 395'792 games
played by 1'181 programs
52392 CPU days (X2 4600+)

White wins: 142'334 (36.0%)
Black wins: 106'433 (26.9%)
Draws: 147'025 (37.1%)
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 May 14, 2012 with Bayeselo based on 395'792 games

Color legend: Commercial, Free, Open source, Private, Controversial.
Bold font - tested with 200 games or more. Normal font - less than 200 games.
"Controversial" means that the origin of those engines is debated in the community (CCC, OpenChess).

RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
Elo+−
1Houdini 2.0c 64-bit 4CPU3214+20−1966.8%−109.543.2%841 
100.0%
2Rybka 4 64-bit 4CPU3161+16−1661.2%−73.948.5%1263
56.1%
3Stockfish 2.2.2 64-bit 4CPU3159+24−2459.7%−58.256.7%494
51.8%
4Critter 1.2 64-bit 4CPU3158+23−2358.5%−53.951.2%568
96.5%
5IvanHoe 9.46h 64-bit 4CPU3128+23−2355.9%−37.159.3%546
70.1%
6Komodo 4 64-bit3120+13−1360.8%−71.847.2%1844
91.7%
7Strelka 5.1 32-bit3102+21−2168.9%−123.247.6%736
93.4%
8Naum 4.2 64-bit 4CPU3080+15−1551.1%−8.150.6%1409
99.9%
9Deep Junior 13 64-bit 4CPU3032+26−2651.3%−6.751.4%430
52.2%
10Deep Shredder 12 64-bit OA On 4CPU3031+13−1350.0%−0.445.4%2027
55.6%
11Spike 1.4 Leiden 4CPU3030+16−1642.3%+48.044.1%1218
94.8%
12Chiron 1.1a 64-bit3004+24−2444.9%+28.445.5%532
54.5%
13Deep Fritz 11 4CPU3002+29−2954.2%−27.855.2%335
56.7%
14Protector 1.4.0 64-bit 4CPU2998+31−3141.9%+54.242.6%329
52.0%
15Hiarcs 13.2 4CPU2997+21−2142.5%+50.440.6%743
81.3%
16Zappa Mexico II 64-bit 4CPU2986+11−1149.8%−0.047.8%2792
62.3%
17Spark 1.0 64-bit 4CPU2982+20−2038.4%+75.345.9%773
99.2%
18Deep Sjeng c't 20102950+13−1346.4%+23.345.2%2110
72.9%
19Onno 1.2.70 64-bit 4CPU2939+31−3148.5%+10.449.2%305
60.8%
20Thinker 5.4C Inert 64-bit 4CPU2934+15−1549.1%+6.039.0%1552
68.4%
21Gull 1.2 64-bit2928+18−1838.4%+79.838.2%1033
88.3%
22Toga II 1.4.1SE 4CPU2914+13−1348.9%+7.941.9%2060
72.9%
23Bright 0.4a 4CPU2908+15−1549.9%+1.140.4%1415
63.7%
24Quazar 0.4 64-bit2901+32−3255.4%−33.844.9%294
72.6%
25Hannibal 1.1 64-bit2888+29−2946.7%+19.944.0%352
96.2%
26Loop M1-T 64-bit 4CPU2859+11−1243.2%+42.745.2%2447
50.5%
27Nemo 1.0.1 64-bit2858+33−3344.4%+35.545.7%278
54.6%
28Crafty 23.3 64-bit 4CPU2856+30−3045.0%+32.437.8%360
62.3%
29Booot 5.1.02850+11−1242.0%+53.740.9%2582
84.7%
30MinkoChess 1.2 64-bit2833+31−3147.5%+14.839.9%326
81.8%
31Tornado 4.88 64-bit2814+31−3249.2%+4.641.6%310
82.3%
32Frenzee 3.5.19 64-bit2792+33−3352.4%−14.135.2%290
63.6%
33Jonny 4.002785+12−1244.4%+37.435.5%2229
70.0%
34SmarThink 1.20 64-bit2779+20−2055.4%−37.935.7%799
59.5%
35Texel 1.01 32-bit2773+43−4262.6%−89.926.2%202
52.9%
36Naraku 1.42771+27−2748.9%+7.523.2%488
51.3%
37Twisted Logic 20100131x 64-bit2770+21−2152.0%−15.234.7%737
55.9%
38BugChess2 1.9 64-bit2768+28−2850.0%−1.234.1%422
72.6%
39Ktulu 92758+14−1444.6%+34.939.0%1682
63.8%
40Scorpio 2.7 32-bit2753+20−2049.0%+9.336.2%826
77.2%
41Chronos 1.9.9 32-bit2744+17−1750.5%−1.743.1%1094
85.5%
42Bison 9.112732+14−1448.5%+9.937.2%1810
59.9%
43Delfi 5.4 2CPU2729+18−1940.3%+67.435.7%1018
55.4%
44Chessmaster 11 2CPU2726+35−3547.5%+16.439.4%259
76.0%
45Bobcat 2.75 64-bit2709+30−3050.6%−3.338.9%360
53.2%
46Chess Tiger 2007.12708+11−1044.9%+33.942.5%3031
71.7%
47Dirty 25Aug2011 64-bit2699+30−3055.1%−33.539.5%354
84.4%
48Daydreamer 1.75 64-bit2679+24−2448.5%+12.439.2%554
68.1%
49Movei 00.8.438 (10 10 10)2673+12−1248.0%+11.037.7%2462
53.8%
50Deuterium 10.01.27.2132672+22−2251.8%−15.133.9%704
56.8%
51Gaviota 0.85.1 32-bit2668+35−3551.3%−7.832.7%272
57.5%
52‑53Alaric 7072664+12−1249.2%+6.034.3%2421
52.0%
52‑53Philou 3.7.1 64-bit2664+34−3456.2%−41.931.5%289
70.5%
54E.T. Chess 13.01.082653+14−1549.5%+2.837.1%1598
61.4%
55Cyrano 0.6b172650+15−1547.9%+13.441.5%1437
57.1%
56‑58Cheng3 1.07 32-bit2647+31−3145.0%+33.230.2%351
49.1%
56‑58Colossus 2008b2647+13−1348.9%+7.837.8%2019
50.7%
56‑58Pharaon 3.5.1 2CPU2647+33−3332.2%+135.726.9%357
60.1%
59‑60Slow Chess Blitz WV2.12642+12−1248.0%+13.236.8%2399
50.3%
59‑60The Baron 2.23 64-bit2642+38−3849.1%+3.333.9%227
51.6%
61Alfil 122641+32−3254.9%−35.632.5%329
52.3%
62RedQueen 1.0.0 32-bit2640+24−2451.6%−7.735.9%576
53.6%
63ProDeo 1.742638+25−2551.3%−6.632.8%551
68.6%
64WildCat 82632+14−1449.0%+5.335.4%1722
52.1%
65‑66Gandalf 62631+12−1245.7%+29.635.6%2503
49.9%
65‑66Ruffian 2.1.02631+14−1447.1%+21.136.6%1636
65.6%
67‑68Arasan 13.4 32-bit2624+30−3049.7%+2.034.8%374
51.0%
67‑68Hamsters 0.7.12624+16−1648.7%+8.938.6%1341
68.9%
69Sloppy 0.2.3 64-bit2617+24−2449.3%+3.831.5%581
86.3%
70Aristarch 4.502601+13−1347.4%+19.232.0%2275
56.5%
71Petir 4.392599+23−2349.4%+1.537.3%638
55.4%
72N2 0.4 64-bit2597+19−1950.6%−5.434.0%913
54.0%
73Pseudo 0.7c2596+14−1450.8%−5.938.0%1625
63.4%
74‑75Amyan 1.722592+14−1451.3%−8.030.8%1854
50.2%
74‑75Rotor 0.62592+16−1648.1%+14.132.8%1277
51.5%
76CuckooChess 1.122591+27−2747.8%+16.630.6%483
66.2%
77GarboChess 3.0 64-bit2582+36−3655.1%−36.427.4%263
51.3%
78Godel 2.05 32-bit2581+25−2549.0%+5.930.9%525
51.7%
79GNU Chess 5.07.153b 64-bit2580+34−3461.9%−84.530.4%306
65.3%
80Francesca MAD 0.192572+21−2145.9%+28.733.3%753
56.3%
81Brutus 8.05 32-bit2570+17−1749.3%+2.736.7%1135
62.8%
82DanaSah 4.882564+27−2751.8%−11.833.2%449
55.7%
83SOS 5.12562+14−1447.5%+15.334.2%1731
61.1%
84Anaconda 2.0.12558+27−2747.9%+11.935.2%458
65.3%
85Glass 1.7 64-bit2549+35−3554.0%−29.826.0%288
51.7%
86AnMon 5.662548+24−2449.7%+1.930.9%573
55.2%
87Ufim 8.022546+14−1449.5%+2.030.9%1902
87.0%
88Hermann 2.8 64-bit2529+28−2750.3%−3.624.4%464
59.8%
89Rodin 4.02524+20−2052.4%−19.630.3%880
56.4%
90Rodent 0.102521+36−3648.3%+9.532.7%263
60.4%
91Nimzo 82515+27−2845.5%+33.332.2%453
54.3%
92EXchess 6.10b 32-bit2512+36−3647.8%+13.533.7%252
54.9%
93Little Goliath Evolution 3.122510+18−1846.4%+23.833.5%1014
55.9%
94Tao 5.62508+17−1749.9%+1.026.5%1169
52.6%
95Green Light Chess 3.01.2.22507+28−2849.2%+4.531.7%417
59.6%
96Pawny 0.3.1 32-bit2501+34−3448.0%+14.428.7%300
65.0%
97‑98Delphil 2.82493+23−2349.2%+4.633.6%636
50.9%
97‑98LittleThought 1.052 64-bit2493+24−2450.0%−0.223.0%600
51.7%
99NanoSzachy 3.92492+24−2449.2%+5.229.0%600
51.9%
100GreKo 8.0 64-bit2491+27−2750.6%−3.131.9%464
56.6%
101Yace 0.99.872489+19−1950.2%−0.927.6%980
54.0%
102‑103Bruja 1.9.1 64-bit2487+24−2450.8%−5.025.6%590
49.1%
102‑103Xpdnt 0910072487+16−1649.3%+4.832.0%1355
58.4%
104Anatoli 0.35k2485+17−1750.9%−8.032.3%1236
52.8%
105‑106Matacz 1.32484+29−2947.4%+17.633.0%382
49.0%
105‑106SpiderChess 0706032484+23−2350.1%+2.439.7%605
51.9%
107‑109Cerebro 3.03d2483+19−1949.8%+0.029.7%982
51.3%
107‑109DoubleCheck 3.1 32-bit2483+36−3650.8%−7.325.8%264
50.3%
107‑109Pepito 1.59 32-bit2483+24−2449.4%+2.033.8%585
50.5%
110BBChess 1.3b2482+25−2551.0%−5.938.1%525
54.1%
111Quark 2.352481+21−2149.6%+1.130.0%791
56.2%
112Trace 1.362478+23−2348.3%+12.625.6%691
58.5%
113Pupsi2 0.082475+18−1849.0%+6.230.9%1089
64.3%
114Counter 1.22471+17−1748.0%+13.338.5%1088
81.0%
115Murka 2.0 64-bit2450+40−4137.0%+92.324.1%216
51.8%
116Hussar 0.42449+21−2148.2%+12.430.1%790
56.3%
117Dorky 4.0 64-bit2446+37−3750.8%−4.032.5%240
59.9%
118Typhoon 1.00-3482439+38−3848.2%+13.527.5%247
54.3%
119PostModernist 10162437+25−2547.7%+14.429.0%545
54.0%
120Eeyore 1.52 64-bit2435+28−2850.3%−3.424.7%434
52.5%
121Snitch 1.6.2 32-bit2433+24−2447.6%+16.228.7%614
52.6%
122Homer 2.012432+20−2049.1%+5.432.6%804
59.1%
123Abrok 5.02428+31−3149.1%+6.429.1%344
60.1%
124OliThink 5.3.2 64-bit2421+41−4151.2%−9.323.6%203
52.5%
125Muse 0.899b2419+22−2247.6%+18.627.0%730
51.7%
126KnightDreamer 3.32418+37−3748.8%+10.832.5%243
54.1%
127Kiwi 0.6d2416+20−2046.4%+23.327.1%861
62.4%
128Diablo 0.5.12412+19−1949.4%+4.131.6%925
54.4%
129Queen 4.03a2410+20−2048.8%+6.534.5%862
53.1%
130Dragon 4.62409+19−1946.3%+24.934.3%888
57.3%
131RomiChess P3k 32-bit2406+19−1949.2%+5.733.0%906
55.4%
132Gaia 3.5 32-bit2404+23−2348.8%+8.529.0%627
54.7%
133‑134Amy 0.87b2402+26−2650.0%+3.425.6%516
50.0%
133‑134Djinn 0.925x2402+23−2346.6%+22.727.9%646
53.3%
135‑137Atlas 3.14b 32-bit2401+25−2549.2%+5.430.5%551
49.6%
135‑137Comet B682401+24−2447.2%+19.325.3%640
50.5%
135‑137Simplex 0.9.8 32-bit2401+31−3149.3%+3.231.3%345
57.1%
138PikoSzachy 3.42396+35−3548.6%+10.524.1%295
51.8%
139Patzer 3.802395+26−2649.8%+2.325.3%506
60.0%
140Phalanx XXII2391+24−2450.0%−1.023.6%597
55.7%
141Gosu 0.162388+21−2147.4%+18.726.5%780
53.0%
142Sorgenkind 0.42387+16−1652.2%−14.628.4%1452
54.3%
143‑144Amateur 2.822386+21−2247.0%+21.025.0%787
47.8%
143‑144Horizon 4.42386+18−1849.2%+5.026.3%1103
58.8%
145Sage 3.532384+18−1850.0%+0.127.9%1063
54.9%
146Alex 2.14a 64-bit2381+36−3650.6%−3.223.0%269
54.6%
147Thor's Hammer 2.28 32-bit2378+28−2849.5%+4.629.1%440
57.5%
148Ifrit m1.52375+28−2846.6%+23.729.0%445
54.7%
149‑150Ares 1.0042373+16−1649.6%+0.526.7%1413
48.6%
149‑150iCE 0.22373+23−2356.5%−52.022.3%701
58.3%
151TJchess 1.012370+24−2450.9%−7.525.0%635
62.0%
152Tytan 9.32364+24−2450.7%−4.825.9%633
59.1%
153Plisk 0.2.62359+36−3651.3%−8.126.7%266
68.2%
154Flux 2.22349+23−2350.2%−0.830.3%657
62.2%
155‑156Arion 1.72344+21−2151.8%−15.527.6%818
50.1%
155‑156Ghost 2.0.12344+20−2051.5%−9.929.1%834
55.6%
157WChess 1.062341+32−3347.5%+15.132.9%316
66.6%
158Amundsen 0.80 32-bit2332+21−2047.5%+18.529.9%825
55.2%
159Aice 0.99.22330+21−2147.2%+20.026.3%777
56.7%
160Asterisk 0.62328+20−2148.9%+6.827.2%837
62.9%
161Butcher 1.61 64-bit2321+36−3744.3%+42.123.5%264
53.3%
162KnightX 1.922319+24−2449.3%+3.228.0%611
52.7%
163Averno 0.812318+25−2548.7%+7.326.4%557
55.8%
164Popochin 2.92314+37−3744.4%+44.531.2%260
55.2%
165Sungorus 1.4 64-bit2311+33−3347.6%+16.923.1%338
53.3%
166Mediocre 0.42309+36−3650.9%−8.123.9%264
52.8%
167Cheese 1.3b 32-bit2307+37−3747.4%+18.027.7%253
52.0%
168‑169Waxman 20102306+22−2151.7%−12.127.8%752
49.0%
168‑169Zeus 1.272306+34−3452.1%−21.723.2%328
57.0%
170Natwarlal 0.142303+21−2148.4%+11.324.2%815
58.8%
171Chezzz 1.0.32299+24−2449.8%−0.525.6%617
52.7%
172Ant 2006-F2298+25−2448.5%+8.523.8%617
52.2%
173Joker 1.1.142297+22−2250.6%−5.127.8%730
54.6%
174Anechka 0.082295+21−2147.0%+23.226.6%852
52.9%
175Sjakk 1.1.82294+28−2855.3%−39.424.7%466
62.7%
176AliChess 4.252288+27−2750.4%−5.324.2%496
56.7%
177Chaturanga 2.4.32284+26−2650.1%−1.026.7%539
68.3%
178EveAnn 1.662274+35−3547.8%+15.330.9%269
62.3%
179Matilde 20082266+34−3451.5%−9.731.2%295
58.7%
180Chispa 4.0.32262+21−2149.4%+3.727.5%800
53.7%
181Jazz 444 64-bit2259+39−3951.0%−6.519.6%240
62.9%
182RattateChess 1.0 Nosferatu2252+24−2448.9%+9.928.5%610
68.5%
183Beowulf 2.4a 64-bit2242+28−2854.4%−31.122.5%463
68.6%
184‑186Atak 6.82234+21−2146.6%+24.323.3%841
49.5%
184‑186Ayito 0.2.9942234+26−2646.5%+24.122.7%538
49.5%
184‑186Dolphin 1.02234+26−2652.3%−18.424.6%525
51.1%
187‑189Betsabe II 1.08c2233+38−3751.4%−8.221.8%252
51.3%
187‑189Feuerstein 0.4.6.12233+19−1949.1%+5.528.5%939
49.5%
187‑189Myrddin 0.85 64-bit2233+32−3252.4%−18.820.2%352
64.7%
190KMTChess 1.2.1 64-bit2225+26−2649.5%+3.123.4%548
65.8%
191Bearded N44.2 32-bit2216+35−3552.1%−14.225.9%286
51.6%
192‑194ChessAlex 2.0r42215+24−2449.0%+4.329.0%589
49.5%
192‑194FireFly 2.5.12 64-bit2215+37−3752.1%−16.622.3%264
49.8%
192‑194Gibbon 2.42c2215+26−2646.1%+27.128.4%514
51.8%
195Bagatur 1.2d 32-bit2214+38−3845.7%+27.329.1%234
56.6%
196Uralochka 1.1b2210+21−2148.5%+10.926.6%835
65.7%
197Adam 3.32203+26−2649.6%+4.221.4%556
53.0%
198ZCT 0.3.24512202+27−2749.4%+3.725.5%478
51.4%
199Neurosis 2.52201+17−1749.1%+7.228.6%1218
69.2%
200BlackBishop 1.02195+19−1848.9%+8.227.3%1034
54.2%
201Kurt 0.9.2.2 64-bit2193+29−2951.0%−8.520.9%446
58.2%
202Latista (Sinobyl) 1.52189+30−3049.9%−2.525.1%391
51.3%
203Alf 1.092188+25−2549.6%−0.929.3%566
56.0%
204OBender 3.2.4.22185+20−2049.9%+2.525.4%899
55.0%
205Buzz 0.08 32-bit2183+28−2851.1%−7.425.4%472
64.7%
206ECE 11.012176+23−2347.3%+17.422.0%683
65.8%
207NagaSkaki 5.122170+20−2050.6%−5.428.0%876
65.5%
208Lime 662164+23−2350.2%−3.321.1%729
70.9%
209Chesley r3232154+25−2549.2%+6.720.2%593
63.6%
210KnockOut 0.7.12149+16−1652.1%−15.426.8%1400
94.0%
211Prophet 2.02129+19−1949.3%+4.324.0%1005
53.6%
212Parrot 07.01.162127+32−3246.0%+30.221.5%354
74.4%
213ChessKiss 1.3a2111+36−3647.5%+14.727.7%264
57.8%
214Clarabit 1.002107+22−2247.6%+13.729.9%736
78.4%
215Carballo 0.5 32-bit2094+24−2447.1%+20.021.9%658
86.5%
216BikJump 2.012076+18−1850.3%−1.427.3%1062
86.1%
217Protej 0.5.72059+26−2646.8%+21.924.0%520
53.8%
218BigLion 2.23x2057+22−2245.6%+31.627.5%754
63.4%
219PLP 16615712051+25−2546.9%+22.324.0%559
59.6%
220Bubble 1.52047+27−2744.7%+38.521.4%514
55.8%
221Jabba 1.02044+24−2446.6%+24.926.9%603
76.8%
222Matheus 2.32031+25−2545.1%+37.522.7%599
55.8%
223Mustang 4.972028+27−2743.9%+41.330.8%484
59.9%
224Slibo 0.5.12023+25−2645.3%+34.919.3%575
62.0%
225Monarch 1.72018+23−2344.9%+48.819.4%767
75.7%
226ChessMind 0.822006+26−2645.9%+30.017.1%580
67.0%
227BSC 3.91995+37−3844.9%+39.324.1%253
52.2%
228BibiChess 0.51994+29−2947.8%+15.824.5%436
57.3%
229Schola 1.1.01990+27−2745.7%+31.826.0%480
79.9%
230Heracles 0.6.161974+27−2746.2%+27.527.9%499
84.0%
231Marvin 1.3.01956+26−2643.2%+50.622.5%570
51.9%
232Monik 2.2.3 32-bit1955+34−3444.6%+36.928.4%299
64.2%
233Rival 1.181947+27−2745.6%+30.725.4%489
61.5%
234MatMoi 7.15.01941+29−2939.7%+75.425.3%439
53.8%
235Smash 1.0.31939+26−2640.8%+74.217.8%574
74.0%
236Micro-Max 4.8 (DM-PII)1927+25−2548.6%+11.225.1%541
69.9%
237GChess IV 0.2.01916+31−3141.0%+66.427.9%373
59.1%
238Reger 0.091911+28−2837.9%+90.922.1%480
67.6%
239Clueless 1.41902+23−2340.4%+77.217.4%726
75.3%
240Warrior 1.0.31890+27−2842.7%+54.125.1%474
69.6%
241Surprise 4.3b131880+29−3038.9%+88.319.1%446
87.4%
242Predateur 2.2 64-bit1851+41−4239.6%+78.918.1%216
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Houdi
2
Rybka
3
Stock
4
Critt
5
IvanH
6
Komod
7
Strel
8
Naum
9
Deep
10
Deep
11
Spike
12
Chiro
1Houdini 2.0c 64-bit 4CPU3214 61.5 − 38.5
+38−15=47
+17		28.5 − 25.5
+15−12=27
−36		32.5 − 18.5
+22−8=21
+28		32.5 − 21.5
+17−6=31
−29		21 − 11
+12−2=18
−3		 37.5 − 16.5
+24−3=27
−16		26.5 − 7.5
+20−1=13
+3		40 − 12
+32−4=16
+6		37.5 − 8.5
+32−3=11
+51		 
2Rybka 4 64-bit 4CPU316138.5 − 61.5
+15−38=47
−17		  67.5 − 67.5
+28−28=79
−3		 48.5 − 32.5
+27−11=43
+16		 32 − 25
+12−5=40
−48		 43.5 − 12.5
+31−0=25
+46		  
3Stockfish 2.2.2 64-bit 4CPU315925.5 − 28.5
+12−15=27
+36		   29.5 − 23.5
+9−3=41
−1		29 − 23
+10−4=38
−8		 32.5 − 19.5
+21−8=23
−1		1 − 1
+0−0=2
−127		35 − 16
+22−3=26
−15		34.5 − 17.5
+21−4=27
−31		 
4Critter 1.2 64-bit 4CPU315818.5 − 32.5
+8−22=21
−28		67.5 − 67.5
+28−28=79
+3		     19.5 − 11.5
+13−5=13
+5		 23 − 9
+16−2=14
+10		22.5 − 9.5
+14−1=17
−10		 
5IvanHoe 9.46h 64-bit 4CPU312821.5 − 32.5
+6−17=31
+29		 23.5 − 29.5
+3−9=41
+1		  25 − 29
+5−9=40
−26		 32.5 − 21.5
+19−8=27
+12		1.5 − 0.5
+1−0=1
+60		32 − 23
+15−6=34
−51		37 − 16
+26−5=22
+25		 
6Komodo 4 64-bit312011 − 21
+2−12=18
+3		32.5 − 48.5
+11−27=43
−16		23 − 29
+4−10=38
+8		 29 − 25
+9−5=40
+26		  1.5 − 0.5
+1−0=1
+102		1 − 1
+0−0=2
−88		23 − 11
+16−4=14
+23		22 − 12
+15−5=14
+4		38 − 14
+26−2=24
+25
7Strelka 5.1 32-bit3102            
8Naum 4.2 64-bit 4CPU308016.5 − 37.5
+3−24=27
+16		25 − 32
+5−12=40
+48		19.5 − 32.5
+8−21=23
+1		11.5 − 19.5
+5−13=13
−5		21.5 − 32.5
+8−19=27
−12		0.5 − 1.5
+0−1=1
−102		  0 − 2
+0−2=0
−INF		29 − 26
+15−12=28
−32		15 − 19
+6−10=18
−87		 
9Deep Junior 13 64-bit 4CPU30327.5 − 26.5
+1−20=13
−3		 1 − 1
+0−0=2
+127		 0.5 − 1.5
+0−1=1
−60		1 − 1
+0−0=2
+88		 2 − 0
+2−0=0
+INF		 25 − 27
+14−16=22
−12		25.5 − 26.5
+15−16=21
−8		 
10Deep Shredder 12 64-bit OA On 4CPU303112 − 40
+4−32=16
−6		12.5 − 43.5
+0−31=25
−46		16 − 35
+3−22=26
+15		9 − 23
+2−16=14
−10		23 − 32
+6−15=34
+51		11 − 23
+4−16=14
−23		 26 − 29
+12−15=28
+32		27 − 25
+16−14=22
+12		 26.5 − 23.5
+19−16=15
+19		 
11Spike 1.4 Leiden 4CPU30308.5 − 37.5
+3−32=11
−51		 17.5 − 34.5
+4−21=27
+31		9.5 − 22.5
+1−14=17
+10		16 − 37
+5−26=22
−25		12 − 22
+5−15=14
−4		 19 − 15
+10−6=18
+87		26.5 − 25.5
+16−15=21
+8		23.5 − 26.5
+16−19=15
−19		  
12Chiron 1.1a 64-bit3004     14 − 38
+2−26=24
−25		      
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
Ryb
3
Sto
4
Cri
5
Iva
6
Kom
7
Str
8
Nau
9
Dee
10
Dee
11
Spi
12
Chi
1Houdini 2.0c 64-bit 4CPU3214 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Rybka 4 64-bit 4CPU31610.0 56.159.298.9100.0100.0100.0100.0100.0100.0100.0
3Stockfish 2.2.2 64-bit 4CPU31590.043.9 51.897.599.699.9100.0100.0100.0100.0100.0
4Critter 1.2 64-bit 4CPU31580.040.848.2 96.599.699.9100.0100.0100.0100.0100.0
5IvanHoe 9.46h 64-bit 4CPU31280.01.12.53.5 70.193.4100.0100.0100.0100.0100.0
6Komodo 4 64-bit31200.00.00.40.429.9 91.7100.0100.0100.0100.0100.0
7Strelka 5.1 32-bit31020.00.00.10.16.68.3 93.4100.0100.0100.0100.0
8Naum 4.2 64-bit 4CPU30800.00.00.00.00.00.06.6 99.9100.0100.0100.0
9Deep Junior 13 64-bit 4CPU30320.00.00.00.00.00.00.00.1 52.256.093.0
10Deep Shredder 12 64-bit OA On 4CPU30310.00.00.00.00.00.00.00.047.8 55.696.8
11Spike 1.4 Leiden 4CPU30300.00.00.00.00.00.00.00.044.044.4 94.8
12Chiron 1.1a 64-bit30040.00.00.00.00.00.00.00.07.03.25.2 
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

395'792 games (76.40 MB)

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395'792 games (237.07 MB)
(Please don't use aggressive download managers)

Various statistics

Created in 2005-2008 by CCRL team
Last games added on May 14, 2012