CCRL 40/4
Downloads and Statistics
May 19, 2013
Testing summary:
Total: 1'014'850 games
played by 1'198 programs
14635 CPU days (X2 4600+)

White wins: 401'106 (39.5%)
Black wins: 329'697 (32.5%)
Draws: 284'047 (28.0%)
White score: 53.5%

Rating list

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz)
Computed on May 19, 2013 with Bayeselo based on 1'014'850 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 4CPU3320+17−1680.3%−229.329.0%1644 
100.0%
2Critter 1.6a 64-bit 4CPU3224+16−1567.6%−121.042.2%1450
78.7%
3Stockfish 2.3.1 64-bit 4CPU3215+18−1859.5%−60.246.9%951
86.4%
4Rybka 4.1 64-bit 4CPU3203+13−1366.4%−116.339.0%2072
61.4%
5Komodo CCT 64-bit3198+31−3074.7%−181.331.8%415
94.9%
6Vitruvius 1.11C 64-bit 4CPU3158+35−3557.3%−42.643.8%260
82.6%
7Strelka 5.1 64-bit3138+20−2066.4%−118.939.7%907
99.9%
8Hiarcs 14 4CPU3099+15−1551.4%−8.739.3%1449
68.0%
9Naum 4.2 64-bit 4CPU3094+9−954.9%−31.942.8%4492
82.3%
10Chiron 1.5 64-bit 4CPU3085+18−1847.7%+14.541.4%984
98.4%
11Deep Fritz 13 4CPU3059+15−1545.0%+33.747.0%1351
98.0%
12Deep Shredder 12 64-bit OA On 4CPU3040+9−950.9%−6.037.8%5031
85.8%
13Spike 1.4 Leiden 4CPU3032+13−1342.2%+54.737.3%2148
84.2%
14Spark 1.0 64-bit 4CPU3024+11−1143.5%+45.841.8%3088
59.0%
15Gull II b2 64-bit 4CPU3019+40−4135.8%+104.036.1%208
51.6%
16Hannibal 1.3 64-bit 2CPU3018+20−2060.3%−74.035.6%891
61.0%
17Deep Junior 13.3 64-bit 4CPU3014+19−1936.6%+91.837.8%936
98.7%
18Protector 1.5.0 64-bit2980+20−2054.5%−32.236.9%869
93.7%
19Zappa Mexico II 64-bit 4CPU2963+8−844.4%+37.939.3%6575
96.9%
20Onno 1.2.70 64-bit 4CPU2949+13−1334.8%+107.936.0%2217
60.1%
21Thinker 5.4c Inert 64-bit 4CPU2947+9−943.2%+46.434.9%4942
92.5%
22Deep Sjeng WC2008 64-bit 4CPU2939+8−843.9%+42.633.7%5414
100.0%
23Bright 0.4a 4CPU2905+11−1142.0%+53.333.8%2889
75.3%
24Toga II 1.4 beta5c 4CPU2900+9−936.8%+95.235.0%5055
89.8%
25Quazar 0.4 64-bit2889+14−1465.2%−118.829.6%2101
96.3%
26Loop M1-T 64-bit 4CPU2875+8−843.7%+41.736.0%5759
96.9%
27BugChess2 1.9 64-bit 4CPU2853+21−2156.7%−47.531.8%795
61.7%
28Nemo 1.0.1b 64-bit2849+15−1552.7%−18.434.6%1586
73.7%
29Gaviota 0.86 64-bit 2CPU2841+19−1955.2%−34.737.3%917
60.2%
30MinkoChess 1.2 64-bit2838+14−1451.1%−9.234.6%1947
62.9%
31Booot 5.1.02836+11−1047.6%+18.232.3%3458
93.2%
32Jonny 4.00 2CPU2821+16−1648.0%+12.834.8%1341
74.9%
33Crafty 23.5 64-bit2811+26−2655.4%−39.631.8%534
56.0%
34Scorpio 2.75 64-bit2808+23−2364.4%−107.527.5%695
81.4%
35Texel 1.01 64-bit2795+15−1545.8%+30.329.7%1689
77.9%
36Tornado 4.88 64-bit2782+31−3141.7%+58.133.1%350
58.2%
37Ktulu 9.02779+9−943.3%+47.530.9%4950
82.6%
38‑39EXchess 7.03b 64-bit 2CPU2769+19−1953.8%−25.729.0%973
48.3%
38‑39Twisted Logic 20090922 64-bit2769+9−946.7%+25.829.4%4642
83.5%
40Frenzee 3.5.19 64-bit2762+12−1249.1%+7.429.6%2729
59.3%
41Chessmaster 11 4CPU2759+22−2259.2%−64.032.4%698
71.9%
42Bison 9.11 64-bit2751+12−1249.6%+6.124.4%2646
54.2%
43ProDeo 1.852749+38−3753.2%−23.025.4%252
57.1%
44SmarThink 1.20 64-bit2746+10−1038.2%+84.831.2%3936
61.2%
45DiscoCheck 4.1 64-bit2740+36−3652.0%−12.526.8%269
57.6%
46‑47Arasan 15.1 64-bit 2CPU2736+19−1949.7%+2.635.5%887
48.8%
46‑47Dirty 05Sep2012 64-bit2736+16−1648.1%+10.932.3%1372
59.5%
48Chronos 1.9.9 64-bit2734+10−946.7%+29.031.9%4456
85.7%
49Bobcat 2.75 64-bit 2CPU2724+17−1756.7%−51.734.0%1187
67.3%
50Chess Tiger 2007.12719+8−846.1%+31.534.4%6389
66.9%
51Octochess r4984 64-bit2715+17−1752.2%−15.833.9%1178
86.0%
52Delfi 5.4 2CPU2703+13−1340.7%+72.230.5%2438
84.4%
53Rodent 1.0 64-bit2692+18−1850.5%−2.933.0%1022
61.2%
54Pharaon 3.5.1 4CPU2686+33−3440.5%+64.331.6%304
53.9%
55Deuterium 12.01.30.1070 64-bit2685+15−1551.5%−11.031.9%1487
76.8%
56RedQueen 1.0.0 64-bit2677+14−1457.6%−56.226.8%1848
60.6%
57Daydreamer 1.75 64-bit2675+11−1049.0%+10.330.8%3435
96.2%
58Alaric 7072664+7−745.6%+33.527.7%8494
65.1%
59Cheng3 1.07 64-bit2661+14−1550.2%−2.430.3%1666
75.3%
60Naraku 1.312654+14−1451.0%−6.225.4%2013
52.7%
61Alfil 12 MT 2CPU2653+18−1853.1%−23.226.0%1148
71.5%
62Nebula 2.0 64-bit2645+22−2255.7%−44.329.1%748
56.2%
63Colossus 2008b2643+8−845.5%+34.729.6%6258
60.8%
64E.T. Chess 13.01.082642+8−846.4%+27.931.2%7103
67.6%
65Cyrano 06b17 64-bit2639+11−1149.6%+5.328.4%3051
75.3%
66WildCat 82634+8−845.4%+35.429.5%6808
65.5%
67‑68Godel 2.3.7 64-bit2631+15−1548.8%+8.429.1%1526
48.4%
67‑68Movei 00.8.438 (10 10 10)2631+8−844.1%+45.429.7%7147
63.0%
69‑70Brutus 8.05 64-bit 2CPU2628+16−1653.3%−25.631.2%1290
50.6%
69‑70Hamsters 0.7.1 2CPU2628+17−1652.1%−15.433.0%1232
57.4%
71Gandalf 62626+10−1043.9%+47.728.4%4296
62.6%
72Rotor 0.7a2623+15−1549.7%+1.129.0%1589
64.0%
73Sloppy 0.2.2 64-bit2620+9−944.9%+37.530.4%4599
80.3%
74Slow Chess Blitz WV2.12616+7−643.7%+46.729.5%10593
53.2%
75Philou 3.71 64-bit2615+16−1646.8%+21.830.1%1347
69.1%
76Ruffian 2.1.02610+10−1146.0%+30.729.9%3469
64.5%
77Lemming 0.34 64-bit2606+16−1644.9%+36.830.1%1370
52.8%
78Djinn 0.987 64-bit2605+20−2150.8%−4.231.9%799
55.6%
79‑80GarboChess 2.20 64-bit2604+14−1449.1%+5.125.0%1859
47.1%
79‑80Glass 1.9 64-bit2604+14−1453.2%−22.228.5%1830
63.3%
81GNU Chess 5.07.173b 64-bit2601+12−1148.1%+13.827.7%2841
76.1%
82Amyan 1.722596+9−948.8%+8.528.3%4732
70.2%
83N2 0.4 64-bit2593+10−1150.1%−0.631.8%3216
81.2%
84‑85CuckooChess 1.12 64-bit2585+15−1453.1%−23.225.8%1736
50.6%
84‑85Rodin 6.02585+24−2447.6%+15.329.5%606
63.9%
86Francesca MAD 0.192580+14−1452.1%−17.628.6%1957
53.6%
87Pseudo 0.7c2579+9−949.0%+5.629.1%5410
62.0%
88SOS 5.12577+9−945.9%+28.928.4%5597
62.0%
89Atlas 3.25 64-bit2575+16−1651.2%−8.524.2%1511
72.4%
90Aristarch 4.502569+9−947.3%+19.826.7%5391
54.7%
91Hermann 2.8 64-bit 2CPU2568+18−1848.5%+11.325.5%1133
59.9%
92Petir 4.392565+11−1146.6%+25.232.0%2858
68.5%
93Rebel Century2560+19−1950.3%−2.428.5%999
54.7%
94The Baron 2.23 64-bit2559+8−847.7%+15.726.6%5875
89.0%
95NanoSzachy 4.0 64-bit2550+13−1348.3%+11.428.1%2217
56.6%
96‑97Anaconda 2.0.12548+11−1151.1%−7.730.4%3218
49.8%
96‑97Tucano 1.042548+37−3661.4%−83.122.8%276
51.5%
98Pupsi2 0.092547+33−3437.9%+90.529.2%322
65.2%
99AnMon 5.752540+9−947.5%+17.824.7%5421
56.3%
100DanaSah 4.882539+17−1749.8%+0.528.7%1217
59.2%
101Ufim 8.022537+8−850.6%−6.228.6%7583
59.2%
102BBChess 1.3b 64-bit 2CPU2535+15−1554.3%−36.028.5%1698
80.5%
103GreKo 8.2 64-bit2526+14−1450.3%−1.829.1%1891
70.5%
104Delphil 2.8 2CPU2520+18−1858.9%−61.032.3%1045
70.0%
105Pepito 1.59.2 64-bit2514+14−1445.6%+30.628.7%1849
65.6%
106Little Goliath Evolution 3.122511+7−748.6%+9.027.6%7850
55.7%
107Yace 0.99.872510+9−948.9%+6.428.1%4738
53.4%
108‑109Green Light Chess 3.01.2.22509+10−1044.3%+42.029.0%3778
51.5%
108‑109Trace 1.37a2509+8−848.4%+11.727.0%5937
69.1%
110Dorky 4.0 64-bit 2CPU2504+17−1760.0%−70.131.1%1184
79.6%
111Mephisto Gideon Professional2494+16−1651.4%−11.625.3%1394
69.4%
112Bruja 1.9 64-bit No-int-book2489+11−1146.2%+28.725.7%2961
68.7%
113Murka 2 64-bit2485+12−1252.4%−17.327.1%2335
57.7%
114Tao 5.62484+11−1148.5%+9.325.5%3472
54.2%
115Pawny 0.3.1 64-bit2482+37−3752.8%−21.122.3%264
52.1%
116Cheese 1.4 64-bit2481+14−1549.8%+0.427.1%1683
51.5%
117Cerebro 3.03d2480+9−947.9%+14.524.2%5050
52.7%
118iCE 0.32479+36−3650.0%−1.727.5%265
59.9%
119Xpdnt 0910072474+14−1451.9%−14.127.0%1842
89.1%
120Kiwi 0.6d 64-bit2463+13−1348.4%+12.325.5%2366
61.5%
121pikoSzachy 4.02460+15−1450.0%−0.822.6%1768
65.0%
122LittleThought 1.052 64-bit 2CPU2455+18−1839.4%+78.823.1%1145
68.1%
123Matacz 1.42450+12−1252.6%−22.926.3%2759
58.7%
124Counter 1.22448+11−1148.9%+8.136.6%3002
73.5%
125SpiderChess 0706032444+8−847.1%+20.331.0%5702
58.4%
126Sjakk 2.0 64-bit2442+24−2449.2%+5.427.0%599
53.5%
127‑128Abrok 5.02440+10−1043.8%+44.925.7%4162
51.2%
127‑128King of Kings 2.562440+11−1147.3%+19.823.8%2970
78.3%
129Quark 2.352434+10−1148.9%+8.325.4%3509
62.0%
130LambChop 10.992432+9−948.9%+7.927.1%4379
65.2%
131‑133Eeyore 1.52 64-bit2429+13−1345.9%+29.824.8%2125
51.8%
131‑133Gaia 3.5 64-bit2429+10−1046.4%+26.621.3%3741
46.2%
131‑133Nejmet 3.072429+9−949.8%+1.127.3%5143
69.1%
134Snitch 1.6.2 32-bit2426+11−1148.2%+12.825.2%3096
58.7%
135‑136Hussar 0.42424+12−1252.5%−18.922.8%2563
50.7%
135‑136OliThink 5.3.0 64-bit2424+14−1446.6%+24.623.4%1901
62.9%
137Dragon 4.62421+9−948.7%+9.925.2%5071
61.6%
138Simplex 0.9.8 64-bit2419+14−1452.3%−17.821.2%1880
55.1%
139Typhoon 1.00-3582417+16−1645.5%+33.823.4%1374
67.4%
140RomiChess P3k 64-bit2413+10−1049.0%+7.226.4%4105
54.1%
141Patzer 3.80 2CPU2412+16−1651.0%−9.124.2%1527
71.5%
142KnightDreamer 3.32406+13−1350.8%−5.327.1%2266
93.1%
143Leila 0.53h2395+9−1052.3%−21.822.7%4647
60.0%
144‑145Capture R012392+19−1952.1%−15.123.6%957
49.1%
144‑145Comet B502392+11−1145.9%+29.423.6%3540
57.0%
146‑147Amy 0.8.7b DC2391+10−1047.5%+17.322.0%4232
51.4%
146‑147PostModernist 10162391+13−1351.0%−7.624.6%2081
52.6%
148Ifrit m1.8 64-bit2390+16−1648.0%+14.824.2%1440
65.4%
149Diablo 0.5.12386+12−1248.4%+12.027.9%2639
63.2%
150Gosu 0.162384+8−851.1%−8.821.7%5729
53.8%
151Muse 0.899b2383+9−951.5%−13.823.5%5302
75.9%
152Der Bringer 1.92379+9−951.4%−13.122.7%5490
54.0%
153Ghost 2.0.1 32-bit2378+17−1853.5%−26.023.3%1206
55.3%
154‑155Jazz 721 64-bit2376+20−2045.6%+33.520.2%971
49.9%
154‑155Phalanx XXIII2376+16−1648.3%+12.719.3%1532
68.2%
156Myrddin 0.86 64-bit2371+16−1647.7%+17.123.8%1430
64.3%
157Crazy Bishop 00522368+10−1051.8%−17.623.7%3708
60.1%
158Terra 3.42365+15−1453.4%−24.120.3%1850
72.5%
159Homer 2.012360+11−1150.9%−7.524.4%3293
56.1%
160Betsy 6.51 Nobook2359+12−1255.0%−41.323.6%2621
61.4%
161Amateur 2.822357+9−951.6%−14.920.6%5389
86.2%
162Queen 4.032350+9−1048.1%+12.528.8%4288
59.5%
163‑164Horizon 4.42348+10−1048.7%+9.822.5%4031
53.1%
163‑164Plisk 0.2.7d 64-bit2348+14−1450.0%−1.621.7%1898
50.6%
165Alex 2.14a 64-bit2347+15−1545.9%+29.623.7%1678
89.0%
166Arion 1.72337+8−850.5%−4.025.6%5794
61.2%
167‑168TJchess 1.1 64-bit2335+15−1549.3%+5.921.8%1694
48.7%
167‑168Thor's Hammer 2.28 32-bit2335+13−1356.3%−53.218.6%2412
61.2%
169‑170Ares 1.0042332+14−1454.4%−35.523.2%1901
52.0%
169‑170Sage 3.532332+10−1048.0%+14.222.3%4403
51.3%
171Tytan 9.32 64-bit2331+15−1549.1%+6.324.4%1531
58.2%
172Sorgenkind 0.42329+14−1447.5%+19.021.5%2029
53.8%
173Butcher 1.61 64-bit 2CPU2328+20−2046.8%+23.022.0%941
66.0%
174Chezzz 1.0.32324+12−1154.0%−33.720.1%3044
77.7%
175EveAnn 1.702315+20−2046.8%+21.725.0%903
52.0%
176Nebiyu 1.22314+41−4227.5%+218.39.5%316
51.3%
177Asterisk 0.62313+11−1150.4%−3.424.5%3255
55.2%
178Averno 0.812312+12−1253.4%−31.223.1%2729
58.9%
179‑180Aice 0.99.22310+12−1248.5%+9.624.1%2512
48.9%
179‑180Sungorus 1.4 64-bit2310+13−1353.1%−23.522.1%2395
62.6%
181Joker 1.1.142307+14−1446.9%+21.721.9%1929
63.8%
182‑183KnightX 1.922304+9−951.4%−14.222.0%5339
51.4%
182‑183Resp 0.19 64-bit Nobook2304+11−1150.7%−9.821.7%3352
78.7%
184Gibbon 2.57a 64-bit2296+16−1647.4%+20.622.5%1402
64.0%
185Ayito 0.2.9942293+12−1253.9%−32.918.5%2894
79.4%
186Scidlet 3.61 x642286+12−1251.9%−19.521.4%2641
53.5%
187‑188KMTChess 1.2.1 64-bit2284+40−3882.5%−340.27.9%429
49.6%
187‑188Matilde 2008 64-bit2284+14−1452.5%−20.221.3%1994
82.6%
189Popochin 3.22276+10−1048.5%+9.325.4%4494
79.3%
190Natwarlal 0.142271+9−948.3%+10.720.0%4811
65.7%
191Esc 1.162268+12−1154.4%−36.022.0%3027
54.3%
192Betsabe II 1.092266+39−3781.7%−319.511.4%428
57.6%
193Mediocre 0.52261+17−1748.6%+11.221.5%1237
53.2%
194Doctor 3.02260+19−1954.1%−38.027.0%1085
56.3%
195Zeus 1.292259+11−1149.4%+4.824.3%2977
66.1%
196Capivara LK0.08a11 64-bit2255+14−1454.8%−39.322.1%1900
71.6%
197Ant 2006-F2250+12−1249.4%+4.121.0%2920
64.1%
198Buzz 0.08 64-bit2245+24−2461.1%−90.014.4%744
62.3%
199AliChess 4.252241+14−1445.0%+38.716.3%2124
55.2%
200Rhetoric Lite2239+19−1951.2%−9.519.8%1016
56.2%
201‑202Anechka 0.082237+9−946.8%+22.720.3%5082
49.8%
201‑202Waxman 20102237+14−1440.8%+67.925.6%1996
92.5%
203Adam 3.32223+14−1446.8%+27.518.0%1923
65.5%
204OBender 3.2.x2219+14−1447.8%+13.219.2%2100
89.9%
205‑206CyberPagno 2.12208+11−1151.1%−12.319.9%3316
51.6%
205‑206ECE 11.012208+19−1947.0%+21.021.1%1049
52.3%
207RattateChess 1.0 Nosferatu2207+23−2347.9%+10.123.2%714
71.9%
208Chispa 4.0.32199+9−950.0%−0.834.4%4297
64.3%
209Latista (Sinobyl) 1.52197+12−1246.9%+21.723.1%2631
55.2%
210Madeleine 0.22196+13−1348.3%+10.220.3%2637
59.4%
211Beowulf 2.4a 32-bit2193+14−1447.7%+16.421.9%1874
59.3%
212‑213Feuerstein 0.4.6.12190+24−2469.7%−170.815.8%795
51.0%
212‑213Uralochka 1.1b2190+15−1550.7%−6.722.0%1686
57.5%
214Shallow 1.0 64-bit2187+17−1748.7%+10.020.8%1240
64.3%
215Atak 6.82183+14−1448.2%+12.721.4%1994
53.8%
216Firefly 2.6.0 64-bit2182+19−1948.0%+14.719.4%1085
56.8%
217Chesley r323 64-bit2179+34−3371.9%−217.510.5%455
68.2%
218Genesis 2.02170+12−1251.2%−9.421.4%2771
77.7%
219InmiChess3.06N2164+11−1150.3%−4.920.1%3723
63.1%
220BlackBishop 1.02161+12−1247.7%+16.820.2%2837
74.0%
221Kurt 0.9.2.2 64-bit2155+15−1551.0%−9.219.7%1922
78.5%
222‑223Lime 662148+10−1046.6%+27.017.3%4067
52.9%
222‑223Sunsetter 10.3 64-bit2148+14−1451.6%−14.719.3%2144
55.9%
224NagaSkaki 5.122146+14−1445.6%+35.423.8%2059
64.2%
225Alarm 0.93.12143+12−1152.6%−20.717.3%3107
60.5%
226Nesik 0.7.0 alpha2141+12−1249.4%+2.521.6%2617
78.3%
227Fortress 1.622135+10−1050.7%−8.520.7%4070
51.8%
228WJChess 1.642134+11−1149.5%+1.020.3%3235
80.2%
229Bearded 06-292125+18−1864.1%−114.717.3%1277
78.7%
230KnockOut 0.7.1 32-bit2115+18−1854.3%−35.818.0%1219
63.4%
231GK 0.90 64-bit2111+13−1349.0%+6.620.2%2313
69.1%
232Alf 1.092106+15−1550.5%−3.622.4%1666
72.6%
233Clarabit 1.00 64-bit2100+16−1648.2%+13.722.1%1527
59.3%
234Wing 2.0a2097+11−1151.0%−9.320.3%3515
74.9%
235Uragano 3D 0.872091+15−1553.6%−28.219.9%1896
69.2%
236BikJump 2.01 64-bit2086+13−1350.0%−1.120.1%2289
82.0%
237Parrot 0707222077+15−1550.3%−2.420.7%1606
88.5%
238King's Out 0.2.422062+20−2053.3%−35.015.1%1038
65.4%
239Matheus 2.32057+11−1148.5%+11.621.0%3715
53.3%
240Dolphin 1.02056+18−1846.0%+32.015.3%1291
61.3%
241Monarch 1.72053+13−1353.6%−30.019.4%2510
58.7%
242ChessMind 0.822051+17−1750.3%−3.416.3%1330
54.3%
243Bodo 0.2b2050+13−1346.5%+28.118.4%2591
83.4%
244Gerbil 0.2 64-bit2041+12−1253.0%−24.619.4%2688
60.3%
245RDChess 3.232039+14−1453.4%−29.419.8%1974
51.6%
246‑247Ax 0.82038+13−1343.6%+54.416.4%2669
50.7%
246‑247Jabba 1.0 64-bit2038+17−1750.8%−5.120.5%1335
54.9%
248Bestia 0.902037+11−1046.7%+27.319.8%3907
81.9%
249‑250ProChess 101CN2028+17−1753.3%−30.915.6%1394
48.5%
249‑250ZCT 0.3.2500 64-bit2028+22−2251.4%−11.514.7%805
57.3%
251PLP 16615712026+17−1753.0%−28.312.7%1397
63.7%
252‑253Freyr 1.068 64-bit2019+34−3355.2%−55.612.4%410
48.9%
252‑253Zeta Dva 0210 64-bit2019+19−1951.1%−8.013.9%1062
72.4%
254DelphiMAX 2.92012+13−1345.1%+41.115.6%2352
85.5%
255Requiem 0.532003+13−1349.5%+2.743.2%2003
53.7%
256AdroitChess 0.32002+20−2058.1%−68.616.8%999
59.7%
257Armageddon 2.3081999+14−1448.5%+7.524.1%1939
55.0%
258Sjaak 3991997+19−1948.3%+13.019.0%1038
72.3%
259BigLion 2.23x1991+10−1046.5%+24.418.7%4049
53.5%
260Elephant 1.061990+13−1346.8%+23.616.9%2417
56.5%
261‑263Cupcake 1.01988+18−1944.2%+42.916.6%1172
50.0%
261‑263FrankWalter 1.081988+16−1748.1%+12.218.4%1477
48.6%
261‑263Small Potato 0.6.11988+12−1249.6%−0.820.9%2985
64.6%
264Bubble 1.51985+17−1748.2%+10.415.7%1488
61.2%
265Gullydeckel 2.16pl11982+13−1351.2%−10.417.9%2418
77.2%
266Faile 1.4.41976+10−1043.5%+57.621.9%4220
73.5%
267‑268Matant 5.041970+16−1655.4%−46.316.7%1614
47.7%
267‑268Monik 2.2.3 64-bit1970+18−1850.2%+1.316.6%1311
57.5%
269‑270Cilian 4.141968+13−1346.7%+25.426.2%2231
51.8%
269‑270Etude 0.1.21968+16−1648.6%+10.822.1%1499
51.7%
271SSEChessII 2.05 DC1967+12−1253.4%−29.419.4%2809
61.3%
272La Dame Blanche 2.0c1965+16−1653.1%−29.319.8%1557
53.0%
273Soldat III 0.1721964+19−1950.9%−7.017.8%1092
53.5%
274BSC 3.91962+20−2050.7%−3.912.3%1049
53.5%
275Marvin 1.3.01961+11−1047.6%+16.819.4%3859
75.2%
276JanWillem 1.131956+11−1247.3%+19.117.1%3188
84.1%
277‑278Micro-Max 4.81949+10−1047.0%+25.922.2%4186
48.5%
277‑278Rival 1.181949+12−1252.6%−23.817.7%2745
83.6%
279Mustang 4.971940+14−1452.0%−17.525.6%1935
65.2%
280ChessKISS 1.31936+15−1552.5%−16.819.2%1806
52.9%
281Sharper 0.171935+13−1344.9%+39.517.1%2574
56.3%
282Protej 0.571932+34−3445.5%+34.09.7%401
66.1%
283Smash 1.0.31925+11−1148.9%+5.616.8%3367
78.7%
284BibiChess 0.51918+12−1249.3%+1.420.9%2828
57.2%
285Heracles 0.6.161917+12−1247.8%+15.520.5%3144
61.1%
286IACH 0.56z1914+14−1454.6%−35.919.0%2016
64.2%
287Eagle 0.7.51911+13−1352.3%−18.813.3%2397
51.5%
288Dabbaba 7.491910+20−2046.9%+23.118.0%969
57.8%
289BamBam1908+17−1742.9%+57.419.3%1423
51.0%
290Clueless V1.41907+11−1151.9%−15.913.6%3647
85.7%
291Warrior 1.0.31899+12−1151.3%−12.820.5%3104
67.7%
292SnailChess 4.0131895+14−1455.0%−40.019.5%2194
61.0%
293Morphy 3.221892+14−1453.7%−31.522.2%2074
86.8%
294Surprise 4.3b131879+20−2047.3%+21.212.2%1102
50.6%
295Purple Haze 2.1.01878+20−2051.5%−10.113.3%1031
59.6%
296SamChess1874+32−3158.6%−78.417.7%406
53.8%
297MrChess 2.11872+31−3158.9%−76.319.8%404
71.2%
298MadChess 1.0 64-bit1861+20−2044.6%+38.921.7%948
77.1%
299Roce 0.03901852+15−1549.8%+0.118.6%1777
50.9%
300Simontacchi 1.811851+16−1656.7%−54.512.3%1718
80.9%
301Celes 0.77c1842+15−1554.9%−38.318.5%1661
54.0%
302HeavyChess 0.13 beta1840+29−2959.8%−71.438.1%402
53.0%
303Tyrell 1.021838+31−3153.8%−39.020.7%405
52.7%
304FreeChessII 2.171837+32−3253.7%−37.915.2%401
60.1%
305JARS 1.75a1831+31−3157.9%−62.419.8%400
53.3%
306Ajedrez Tactico 2.73b1829+19−1953.0%−23.016.2%1184
56.7%
307Arabian Knight 1.511826+31−3152.4%−26.318.3%398
56.2%
308MatMoi 7.15.0-cct1823+19−1954.3%−34.215.6%1045
51.7%
309NoonianChess 3206P21822+31−3156.6%−52.320.0%395
53.3%
310RataAeroespacial 0.2.11821+19−1953.7%−30.413.7%1064
51.8%
311Ranita 2.41820+14−1551.7%−13.618.4%1869
92.9%
312Predateur 2.1 64-bit1805+15−1549.3%−4.515.4%1933
64.8%
313Beaches 2.321801+15−1546.8%+14.015.1%2109
53.7%
314Cecir 3.51800+15−1549.8%+0.719.1%1854
53.1%
315Enigma 1.1.41799+16−1652.6%−22.819.8%1555
54.3%
316Milady 3.041797+23−2348.1%+18.213.9%782
92.0%
317Grizzly 1.40.1b1778+15−1553.5%−35.311.8%2112
68.1%
318‑319Bremboce 0.6.21770+30−3049.1%+3.219.1%404
50.7%
318‑319Chenard 2010.08.23 64-bit1770+15−1548.8%+1.913.4%1888
51.9%
320‑321Embracer 1.121769+15−1551.9%−21.422.6%1815
51.4%
320‑321Pulsar 2009-9b1769+32−3160.2%−78.020.2%381
62.0%
322Mint 2.31762+31−3159.1%−71.418.8%400
57.0%
323Macromix 2.011758+30−3052.2%−18.328.4%395
64.6%
324Robin 0.9831752+13−1351.6%−18.818.4%2438
57.7%
325Lodocase 2402081749+31−3246.2%+26.914.1%391
58.6%
326Vicki 0.041a1744+31−3156.5%−51.816.3%399
53.4%
327Elf 1.3.01742+12−1245.1%+40.215.1%3596
68.0%
328Laurifer 1.01738+12−1246.7%+22.719.2%3238
53.2%
329Rocinante 2.0 64-bit (mcts)1737+22−2348.5%+17.917.6%752
73.7%
330Kanguruh 1.931729+13−1354.1%−32.618.7%2270
80.3%
331Adamant 1.71722+11−1145.9%+30.814.9%3874
94.4%
332‑334GChess IV 0.2.01707+15−1559.1%−76.428.8%1861
52.6%
332‑334SEE 0.6.91707+14−1354.1%−39.519.4%2370
48.8%
332‑334Tscp 1.811707+14−1447.6%+18.014.3%2494
59.0%
335Aldebaran 0.7.01705+13−1347.3%+17.533.2%2403
73.3%
336Ziggy 0.71692+40−3966.8%−178.014.5%289
58.8%
337‑338Bace 0.451687+13−1352.6%−27.316.5%2602
50.0%
337‑338Tristram 3.361687+32−3248.7%+9.110.6%398
61.1%
339Gargamella 0.5.01682+18−1851.2%−13.016.9%1178
65.4%
340Jester 0.841677+20−2051.1%−12.212.7%990
52.0%
341Zoidberg 0.11676+31−3147.2%+21.213.8%399
57.1%
342Mizar 3.01673+12−1248.1%+16.215.3%3379
58.5%
343PolarChess 1.31671+14−1453.7%−33.516.6%2236
75.4%
344JaksaH 1.11 64-bit1664+15−1555.2%−43.020.4%1853
80.0%
345Belzebub 0.671656+12−1250.4%−5.026.4%2636
63.5%
346Cmcchess 2.51652+21−2165.1%−111.328.7%889
63.9%
347ALChess 1.5b1647+15−1544.0%+47.418.6%1979
61.9%
348DChess 1.0.21644+13−1350.2%−3.017.3%2462
69.4%
349Pooky 2.71639+16−1651.3%−9.817.2%1479
60.5%
350Simon 1.2 64-bit1636+17−1750.4%−3.717.4%1337
66.5%
351IQ23.0031631+13−1347.0%+20.536.8%2158
59.4%
352Vapor 0.01r121629+15−1555.3%−38.139.9%1565
70.3%
353ChessterfieldCL i5a1622+21−2140.8%+83.621.2%979
53.3%
354ChessRikus 1.4661621+17−1748.5%+14.416.9%1337
57.6%
355MSCP 1.441619+12−1246.9%+22.418.4%3000
68.5%
356Rainman 0.7.51613+21−2140.6%+71.728.1%848
56.9%
357Storm 0.61611+12−1245.3%+36.216.6%3199
86.1%
358Butterfly 0.5 64-bit1595+26−2653.6%−7.939.6%533
63.7%
359Kitteneitor 0.12.11588+31−3150.6%−5.738.9%324
84.0%
360‑361SdBC 0.41.401570+17−1743.4%+48.624.7%1265
51.4%
360‑361Zotron 4.4.61570+12−1246.6%+28.925.4%2524
64.1%
362Needle 0.5311567+12−1243.1%+51.925.5%3099
68.9%
363Damas 91562+16−1650.8%−7.817.2%1599
99.8%
364Larsen VB 0.05.00011532+14−1443.4%+54.218.3%2141
59.9%
365mACE 0.2.2.6161529+20−2046.9%+23.617.9%1003
57.5%
366SharpChess2 2.61526+16−1643.7%+54.08.6%1747
99.6%
367Vajolet 0.4.11497+16−1644.4%+45.315.6%1629
72.8%
368Exacto 0.d1491+13−1341.8%+61.725.6%2232
67.5%
369Piranha 0.51486+13−1338.5%+101.313.4%2741
87.1%
370Tarrasch Toy Engine 0.9061476+15−1542.3%+57.518.1%1870
55.1%
371St Andersen 1.31 64-bit1474+17−1741.0%+69.018.4%1382
68.9%
372Pentagon 1.21467+22−2238.3%+82.832.7%724
53.1%
373APILChess 1.05r1b1466+16−1642.7%+57.422.2%1502
79.7%
374Roque 1.11457+17−1744.4%+47.317.4%1399
87.9%
375Blikskottel 0.81442+18−1943.7%+48.720.5%1110
82.8%
376Nero 6.11430+16−1738.4%+90.319.6%1457
100.0%
377MiniMardi 1.31389+14−1432.0%+158.315.5%2372
59.7%
378‑379Goyaz 0.0071385+31−3057.7%−62.414.7%495
50.4%
378‑379Tony's Chess 0.021385+17−1843.5%+49.09.0%1437
64.0%
380JChess 1.01380+19−2037.6%+98.720.2%1040
69.8%
381Eden 0.0.131373+17−1735.2%+117.315.3%1530
76.6%
382Numpty Omega1365+16−1632.8%+138.819.9%1662
91.6%
383MiniChessAI 1.191343+23−2357.8%−53.720.5%757
62.0%
384Fimbulwinter 5.001336+30−3048.7%−0.413.8%522
52.8%
385Joanna 2002 1.031335+25−2541.1%+69.828.0%643
54.4%
386Virutor Chess 1.11333+21−2240.3%+69.721.8%849
52.7%
387Skaki 1.231332+32−3262.2%−101.024.1%365
72.5%
388Nanook 0.171321+19−1943.9%+44.947.2%1018
64.1%
389Supra 12.01312+39−4035.2%+117.421.3%240
74.6%
390Ozwald 0.431296+23−2351.8%−9.818.6%769
81.1%
391KillerQueen 2.0b31282+22−2250.8%+0.630.2%781
61.3%
392TRex 1.91278+22−2249.9%+4.520.0%830
92.0%
393QuTeChess 1.0.1t r31252+28−2860.4%−73.544.6%415
59.4%
394Tikov 0.6.31248+21−2149.9%+9.518.9%957
97.4%
395Gringo 1.4.9b1219+22−2248.0%+24.217.1%902
55.4%
396Raffaela 0.1.41217+20−2046.6%+37.328.7%955
61.4%
397Toledo nanoChess v150120101213+19−2046.2%+36.235.2%967
59.3%
398DarkFusch 0.91210+25−2551.5%−12.744.2%500
65.1%
399Pierre 1.71202+28−2850.1%−11.19.9%667
76.8%
400GrayMatter SVN16041182+47−4834.4%+181.821.9%247
70.9%
401BlitzKibitz 51165+34−3537.2%+71.041.4%273
77.3%
402Usurpator II1148+29−2862.4%−146.630.2%490
81.1%
403JChecs 0.1.01131+26−2657.3%−53.345.9%481
51.0%
404Brama 0512041130+32−3247.6%+4.446.0%313
80.0%
405Cassandre 0.241114+24−2454.0%−31.156.7%499
89.2%
406Blitzter 2.01086+37−3358.2%−77.66.4%329
72.1%
407Frank 0.581072+30−2341.0%+59.528.0%396
70.0%
408Hanzo The Razor1061+34−1455.0%−35.761.4%272
53.3%
409Talvmenni 0.11059+34−1352.0%−15.143.6%305
52.4%
410Strategic Deep 1.251058+30−1150.0%−7.712.2%645
93.2%
411Xadreco 5.71027+42−1843.4%+19.423.6%440
71.1%
412Safrad 2.1.35.2101017+38−2837.8%+101.622.7%1401
77.1%
413GIUChess 1.0 beta21003+62−4249.7%−6.741.9%303
80.1%
414Youk 1.0.5983+78−6246.7%+14.337.1%291
53.8%
415Testina 2.2981+77−6458.0%−87.036.2%414
69.1%
416Kace 0.82969+91−7645.9%+36.221.2%283
69.5%
417NSVChess v0.14957+99−8851.7%−18.838.1%362
83.4%
418Iota 1.0 32-bit936+118−10851.8%−30.625.5%440
85.2%
419Chad's Chess 0.15916+134−12833.1%+161.913.2%1102
98.7%
420Dika 0.4209871+181−17343.6%+47.850.3%304
61.5%
421Dreamer864+190−18064.4%−128.819.2%343
99.4%
422Hippocampe 0.4.1801+251−24358.8%−60.834.4%317
69.0%
423Neurone XVIII786+267−25920.5%+249.913.7%241
82.5%
424Pyotr 0.6 AM758+292−28650.0%−2.628.9%464
97.2%
425Chess4j 0.1720+330−32529.7%+262.123.7%713
100.0%
426EasyPeasy 1.0.0.0626+423−41827.4%+309.012.0%698
69.3%
427ReBorn Mainsworthy 1.30612+441−43356.3%−31.922.5%213
99.9%
428NEG 0.3d526+524−51837.7%+142.029.0%435
78.7%
429Ram 2.0509+541−53633.2%+174.930.1%435
98.8%
430LaMoSca 0.10455+595−58931.1%+189.160.8%286
86.9%
431CPP1424+625−62028.6%+218.122.7%255
100.0%
432ACE 0.1309+741−73514.2%+492.722.0%473
87.2%
433POS 1.20279+771−76618.6%+378.022.5%298
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Houdi
2
Critt
3
Stock
4
Rybka
5
Komod
6
Vitru
7
Strel
8
Hiarc
9
Naum
10
Chiro
11
Deep
12
Deep
1Houdini 3 64-bit 4CPU3320 31.5 − 18.5
+19−6=25
−20		30 − 20
+16−6=28
−47		31 − 19
+21−9=20
−44		 36.5 − 15.5
+27−6=19
−29		 43.5 − 8.5
+38−3=11
+41		39 − 11
+32−4=14
−28		41.5 − 10.5
+35−4=13
−15		43 − 9
+35−1=16
−28		46.5 − 3.5
+43−0=7
+112
2Critter 1.6a 64-bit 4CPU322418.5 − 31.5
+6−19=25
+20		 54.5 − 49.5
+23−18=63
+5		54 − 50
+27−23=54
−10		   36.5 − 14.5
+27−5=19
+17		67 − 33
+43−9=48
−27		39.5 − 12.5
+30−3=19
+35		39 − 13
+29−3=20
0		79 − 21
+65−7=28
+25
3Stockfish 2.3.1 64-bit 4CPU321520 − 30
+6−16=28
+47		49.5 − 54.5
+18−23=63
−5		 54 − 50
+26−22=56
0		   36 − 16
+29−9=14
+19		65 − 35
+42−12=46
−29		33.5 − 18.5
+20−5=27
−45		36.5 − 15.5
+24−3=25
−34		 
4Rybka 4.1 64-bit 4CPU320319 − 31
+9−21=20
+44		50 − 54
+23−27=54
+10		50 − 54
+22−26=56
0		    33 − 17
+24−8=18
+1		34.5 − 15.5
+26−7=17
+21		40 − 12
+30−2=20
+58		36 − 16
+23−3=26
−28		35 − 15
+27−7=16
−26
5Komodo CCT 64-bit3198            
6Vitruvius 1.11C 64-bit 4CPU315815.5 − 36.5
+6−27=19
+29		      33 − 19
+22−8=22
+24		 33 − 19
+20−6=26
+8		29 − 23
+16−10=26
−65		 
7Strelka 5.1 64-bit3138        9.5 − 10.5
+5−6=9
−60		   
8Hiarcs 14 4CPU30998.5 − 43.5
+3−38=11
−41		14.5 − 36.5
+5−27=19
−17		16 − 36
+9−29=14
−19		17 − 33
+8−24=18
−1		 19 − 33
+8−22=22
−24		  26.5 − 25.5
+14−13=25
+1		26 − 26
+16−16=20
−13		30 − 22
+16−8=28
+6		34.5 − 17.5
+25−8=19
+47
9Naum 4.2 64-bit 4CPU309411 − 39
+4−32=14
+28		33 − 67
+9−43=48
+27		35 − 65
+12−42=46
+29		15.5 − 34.5
+7−26=17
−21		  10.5 − 9.5
+6−5=9
+60		25.5 − 26.5
+13−14=25
−1		 21 − 31
+13−23=16
−75		29.5 − 22.5
+14−7=31
+1		36.5 − 26.5
+23−13=27
−2
10Chiron 1.5 64-bit 4CPU308510.5 − 41.5
+4−35=13
+15		12.5 − 39.5
+3−30=19
−35		18.5 − 33.5
+5−20=27
+45		12 − 40
+2−30=20
−58		 19 − 33
+6−20=26
−8		 26 − 26
+16−16=20
+13		31 − 21
+23−13=16
+75		 24 − 28
+12−16=24
−48		31.5 − 19.5
+24−12=15
+37
11Deep Fritz 13 4CPU30599 − 43
+1−35=16
+28		13 − 39
+3−29=20
0		15.5 − 36.5
+3−24=25
+34		16 − 36
+3−23=26
+28		 23 − 29
+10−16=26
+65		 22 − 30
+8−16=28
−6		22.5 − 29.5
+7−14=31
−1		28 − 24
+16−12=24
+48		 25 − 27
+14−16=22
−33
12Deep Shredder 12 64-bit OA On 4CPU30403.5 − 46.5
+0−43=7
−112		21 − 79
+7−65=28
−25		 15 − 35
+7−27=16
+26		   17.5 − 34.5
+8−25=19
−47		26.5 − 36.5
+13−23=27
+2		19.5 − 31.5
+12−24=15
−37		27 − 25
+16−14=22
+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
Cri
3
Sto
4
Ryb
5
Kom
6
Vit
7
Str
8
Hia
9
Nau
10
Chi
11
Dee
12
Dee
1Houdini 3 64-bit 4CPU3320 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Critter 1.6a 64-bit 4CPU32240.0 78.798.492.9100.0100.0100.0100.0100.0100.0100.0
3Stockfish 2.3.1 64-bit 4CPU32150.021.3 86.482.299.7100.0100.0100.0100.0100.0100.0
4Rybka 4.1 64-bit 4CPU32030.01.613.6 61.498.9100.0100.0100.0100.0100.0100.0
5Komodo CCT 64-bit31980.07.117.838.6 94.999.9100.0100.0100.0100.0100.0
6Vitruvius 1.11C 64-bit 4CPU31580.00.00.31.15.1 82.699.9100.0100.0100.0100.0
7Strelka 5.1 64-bit31380.00.00.00.00.117.4 99.9100.0100.0100.0100.0
8Hiarcs 14 4CPU30990.00.00.00.00.00.10.1 68.088.5100.0100.0
9Naum 4.2 64-bit 4CPU30940.00.00.00.00.00.00.032.0 82.3100.0100.0
10Chiron 1.5 64-bit 4CPU30850.00.00.00.00.00.00.011.517.7 98.4100.0
11Deep Fritz 13 4CPU30590.00.00.00.00.00.00.00.00.01.6 98.0
12Deep Shredder 12 64-bit OA On 4CPU30400.00.00.00.00.00.00.00.00.00.02.0 
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
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

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

1'014'850 games (199.58 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 19, 2013