199340 games played by 680 programs, run by 16 testers
Ponder off, General books (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 August 21, 2009 with Bayeselo based on 199'340 games
Tested by CCRL team, 2005-2009, http://computerchess.org.uk/ccrl/4040/
Code: Select all
Rank Engine ELO + - Score AvOp Games
1 Rybka 2.3.2a 32-bit 3021 +14 -14 71.6% -143.9 1794
2 Thinker 5.4C Inert 32-bit 2955 +19 -19 60.5% -68.8 861
3 Grapefruit 1.0 32-bit 2938 +14 -15 53.8% -23.1 1478
4 Stockfish 1.4 32-bit 2936 +25 -25 51.9% -10.8 481
Toga II 1.4.1SE 2933 +12 -12 50.1% +1.7 2393
Cyclone 3.4 2927 +21 -21 51.5% -8.7 689
TheMadPrune 1.1.25 2910 +26 -26 51.7% -12.2 447
Fruit 2.3.1 2885 +14 -14 50.1% -1.0 1601
5 Bright 0.4a 2874 +12 -12 42.4% +50.9 2217
Glaurung 2.2 32-bit 2867 +27 -27 47.0% +17.6 419
6 Spike 1.2 Turin 2848 +8 -8 44.4% +35.5 6745
7 Twisted Logic 20080620 2818 +19 -19 49.2% +4.7 883
8 Naum 2.0 32-bit 2801 +16 -16 52.7% -18.7 1346
9 Frenzee Feb08 32-bit 2798 +16 -16 47.0% +21.0 1287
10-11 Booot 4.15.0 2792 +22 -22 44.1% +36.8 658
10-11 Delfi 5.4 2792 +21 -21 45.0% +34.8 754
12 Movei 00.8.438 (10 10 10) 2774 +15 -15 51.4% -12.5 1601
13 Alaric 707 2766 +14 -14 48.9% +7.3 1711
14 Cyrano 0.6b17 2751 +20 -20 47.9% +13.3 794
15 Colossus 2008b 2750 +20 -20 49.4% +4.8 791
16 E.T. Chess 13.01.08 2745 +17 -17 50.9% -6.9 1129
Scorpio 2.1 32-bit 2743 +41 -41 47.4% +16.1 190
17 Slow Chess Blitz WV2.1 2740 +13 -13 48.2% +12.0 2082
Chronos 1.9.7 2737 +41 -40 55.3% -33.9 187
18 Bison 9.8 2734 +40 -40 54.6% -31.7 206
19-20 Crafty 23.0 32-bit 2725 +35 -35 50.8% -3.0 246
19-20 WildCat 8 2725 +19 -19 47.6% +15.1 866
21-22 BugChess2 1.6.3 32-bit 2721 +19 -19 47.5% +17.3 897
21-22 List 5.12 2721 +18 -18 49.9% -1.1 1059
23 Hamsters 0.7.1 2714 +25 -25 50.1% +0.4 492
24 Pharaon 3.5.1 2713 +14 -14 47.7% +16.2 1710
25 Pro Deo 1.6 2711 +21 -21 48.4% +10.0 738
26 Ruffian 1.0.5 2710 +20 -20 46.0% +26.1 804
27 Aristarch 4.50 2699 +14 -14 45.1% +35.4 1699
28 Alfil 8.1.1 2698 +16 -16 50.9% -9.5 1334
29 Pseudo 0.7c 2694 +16 -16 50.4% -2.5 1224
30 Sloppy 0.2.2 32-bit 2693 +18 -18 47.1% +18.6 1064
31 The Baron 2.23 32-bit 2684 +22 -22 50.7% -6.3 715
32 Zappa 1.1 32-bit 2682 +29 -30 49.2% +6.5 386
33 Jonny 2.83 2679 +17 -17 47.0% +18.7 1200
34 SmarThink 0.17a 2678 +33 -33 47.0% +16.4 305
35 Petir 4.999999 2675 +20 -20 46.5% +21.9 840
Tornado 3.19a 2673 +115 -118 43.2% +40.9 22
36 SOS 5.1 2663 +18 -18 46.2% +23.4 1066
37 Rotor 0.5 2654 +35 -35 49.2% +4.3 259
Critter 0.40 2651 +59 -59 55.0% -33.8 90
38 Ufim 8.02 2640 +19 -19 48.7% +5.8 914
39 GarboChess 2.20 2627 +20 -20 48.8% +7.9 851
AnMon 5.75 2621 +68 -68 50.0% -4.2 73
40 Viper 0.1 2621 +36 -36 46.7% +21.6 260
41 Brutus 7.02b 2615 +27 -27 61.3% -77.2 474
42 Tao 5.6 2613 +27 -27 51.0% -7.1 477
43 DanaSah 4.24 2610 +24 -24 52.0% -14.3 553
44 Little Goliath Evolution 3.12 2608 +20 -20 45.4% +31.0 832
45 Hermann 2.4 2605 +25 -25 48.0% +13.9 565
Arasan 11.4 32-bit 2602 +41 -41 47.2% +20.8 199
Philou 3.0.0 2592 +49 -48 57.5% -49.1 134
46 Yace 0.99.87 2588 +28 -28 49.8% +3.1 454
47 BBChess 1.3b 2587 +30 -30 51.0% -6.3 355
N2 0.1 2586 +42 -42 58.7% -54.9 178
48 Pepito 1.59 2585 +28 -28 50.2% -3.8 431
49 Quark 2.35 2584 +25 -25 48.3% +9.4 537
50-51 Matacz 1.4 2583 +23 -23 49.7% +2.9 618
50-51 SpiderChess 070603 2583 +31 -32 48.1% +17.0 319
52 Anatoli 0.35k 2580 +21 -21 52.4% -19.1 767
53 Cerebro 3.03d 2575 +24 -24 50.9% -8.3 608
54 Amyan 1.597 2573 +21 -22 46.7% +24.8 736
55 Trace 1.37a 2572 +24 -24 48.9% +6.1 611
56-57 Bruja 1.9 2558 +28 -28 52.2% -14.3 402
56-57 Counter 1.1 2558 +26 -26 50.1% -3.3 460
58 Delphil 1.9g 2557 +29 -29 50.8% -6.1 364
59 Typhoon 1.00-358 2549 +26 -25 47.9% +12.9 510
60 Kiwi 0.6d 2548 +30 -30 48.8% +4.7 376
61 Post Modernist 1016 2542 +28 -29 46.5% +22.5 427
62 Homer 2.01 2540 +24 -24 50.3% -2.5 592
63 Snitch 1.6.2 32-bit 2533 +26 -26 45.3% +31.6 503
64 Pupsi2 0.07 2531 +23 -23 46.1% +27.7 658
65 Muse 0.899b 2525 +27 -27 48.4% +12.9 470
66 KnightDreamer 3.3 2519 +36 -36 48.0% +15.8 249
67 Diablo 0.5.1 2514 +27 -27 52.3% -14.8 469
68-69 Djinn 0.925x 2513 +26 -26 46.4% +23.8 516
68-69 Queen 4.02a 2513 +24 -24 48.9% +4.5 557
70 Dragon 4.6 2512 +22 -22 45.8% +29.1 699
71 RomiChess P3k 32-bit 2509 +22 -23 49.5% +3.9 655
72 Gaia 3.5 32-bit 2505 +27 -27 48.4% +10.8 482
73 Gosu 0.16 2504 +27 -28 46.8% +23.4 463
74 Comet B68 2503 +25 -26 45.9% +29.5 547
75-76 Amateur 2.82 2502 +26 -27 45.8% +28.0 513
75-76 Horizon 4.4 2502 +23 -23 49.8% +0.2 658
77 Sorgenkind 0.4 2500 +23 -23 50.5% -2.4 642
78 Amy 0.87b 2497 +33 -33 49.2% +8.1 319
79 Patzer 3.80 2496 +31 -31 48.5% +11.6 364
80 Phalanx XXII 2492 +38 -38 47.5% +17.9 238
81 Sage 3.53 2490 +22 -22 49.7% +2.2 691
82 Dirty 0.99 OW5 2487 +27 -27 43.5% +41.2 453
83 Glass 1.3 2485 +39 -39 57.2% -49.6 222
84 Thor's Hammer 2.28 32-bit 2479 +30 -30 48.8% +9.2 378
NanoSzachy 3.5 2475 +68 -71 35.1% +95.8 67
85 Tytan 9.3 2456 +35 -35 49.2% +8.7 303
WChess 1.6 2450 +69 -70 46.0% +23.8 62
86 Flux 2.2 2449 +26 -26 48.5% +10.1 514
GreKo 6.5 2446 +43 -43 43.5% +44.0 184
87 LittleThought 1.03 32-bit 2445 +24 -24 46.7% +25.1 628
88 Aice 0.99.2 2440 +28 -28 46.4% +25.0 454
89 Chezzz 1.0.3 2439 +35 -35 52.2% -18.2 274
Amundsen 0.80 2434 +46 -46 54.2% -23.9 153
90 Asterisk 0.6 2433 +21 -21 49.3% +4.1 771
91 KnightX 1.92 2429 +29 -29 50.9% -6.8 427
Xpdnt 090704 2427 +50 -50 48.2% +11.2 138
92 Arion 1.7 2426 +27 -27 53.7% -27.8 479
93 Cheese 1.3 2422 +25 -25 45.7% +32.3 556
94 Anechka 0.08 2414 +26 -26 45.6% +32.9 550
95 Natwarlal 0.14 2404 +23 -23 46.3% +25.7 692
96 Averno 0.81 2399 +33 -33 48.9% +5.4 321
97-98 Ant 2006-F 2398 +27 -28 46.4% +24.1 482
97-98 Joker 1.1.14 2398 +24 -24 50.6% -5.1 624
99 Popochin 3.2 2395 +23 -23 45.9% +29.0 638
100 Zeus 1.29 2393 +23 -23 52.0% -13.3 632
101 Rodin 2.1h 2383 +32 -32 45.8% +32.3 356
102 Chispa 4.0.3 2376 +28 -28 52.2% -14.7 437
103 EXchess 5.01b 2348 +30 -30 46.1% +24.5 368
104 AliChess 4.19 2343 +37 -38 45.1% +35.8 243
105 Ayito 0.2.994 2337 +29 -29 46.0% +27.9 434
106 Deuterium 06.08.25.04 2331 +29 -29 45.0% +34.7 406
107 Feuerstein 0.4.6.1 2325 +29 -29 49.7% +0.7 397
108 Gibbon 2.52a 2317 +35 -35 47.9% +14.9 280
BlackBishop 1.0 2312 +47 -48 44.7% +36.4 150
109 Uralochka 1.1b 2310 +26 -26 49.3% +5.7 536
110 ChessAlex 2.0r4 2308 +28 -28 50.9% -7.3 443
111 Sinobyl 1.50 2302 +33 -33 51.8% -16.3 328
112 RattateChess Bologna 2007 2301 +26 -26 52.1% -15.4 527
113 Atlas 2.20 2299 +36 -36 50.4% -4.9 275
114 Buzz 0.08 32-bit 2295 +30 -30 51.8% -12.7 408
115 Alf 1.09 2293 +28 -28 52.1% -17.7 444
116 EveAnn 1.63 2289 +35 -35 45.9% +27.0 280
117 Atak 6.5 2280 +37 -37 51.0% -6.4 258
118 Neurosis 2.5 2278 +30 -30 49.1% +6.7 373
119 NagaSkaki 5.12 2274 +29 -29 51.8% -13.2 390
120 Lime 66 2271 +30 -30 51.6% -13.8 415
121 OBender 3.2.4.2 2267 +26 -26 48.0% +15.8 520
Mediocre 0.34 2264 +45 -45 52.2% -15.5 179
122 OliThink 5.1.9 2259 +40 -40 43.2% +52.4 221
123 Bearded 06-29 2253 +38 -38 49.2% +7.0 247
124 TJchess 0.121 2252 +27 -27 47.1% +23.1 490
125 Parrot 07.07.22 2243 +27 -27 50.2% -2.1 499
126 Prophet 2.0 2233 +25 -25 46.1% +28.1 576
127 Clarabit 1.00 2224 +28 -28 48.2% +10.6 446
Sungorus 1.2 2224 +122 -120 54.2% -18.4 24
128 Waxman 2008 2223 +41 -40 60.7% -79.2 225
129 Adam 3.1 2207 +26 -26 47.4% +17.0 577
130 Matheus 2.3 2169 +32 -32 46.7% +23.3 349
131 BigLion 2.23x 2168 +25 -25 45.1% +34.3 554
KMTChess 1.1 2166 +115 -119 43.8% +43.8 24
ZCT 0.3.2500 2164 +72 -75 39.7% +76.2 68
132 FireFly 2.5.6 2163 +40 -40 44.9% +35.1 226
133 BikJump 2.01 2158 +32 -32 50.0% -0.0 320
134 Mustang 4.97 2156 +32 -32 45.7% +29.2 341
135 Monarch 1.7 2131 +27 -27 42.6% +68.1 569
136 BibiChess 0.5 2116 +40 -40 46.9% +20.9 226
Alex 1.96 2087 +65 -68 32.1% +125.5 78
137 Smash 1.0.3 2070 +32 -32 39.7% +81.6 379
138 Marvin 1.3.0 2067 +29 -30 40.5% +70.5 425
139 Rival 1.18 2053 +30 -31 42.2% +55.5 384
140 Micro-Max 4.8 (DM-PII) 2041 +26 -26 48.2% +14.9 517
141 ECE 0.3 2012 +30 -31 39.0% +84.2 410
142 Clueless 1.4 2010 +26 -26 37.6% +99.2 577
Plisk 0.1.1 2009 +123 -147 18.8% +214.9 24
143 Warrior 1.0.3 2008 +35 -36 41.3% +63.8 287
144 Surprise 4.3b13 1999 +34 -34 37.8% +94.7 336