CCRL 40/4
Downloads and Statistics
July 7, 2018
Testing summary:
Total: 1'767'897 games
played by 2'077 programs
23648 CPU days (X2 4600+)

White wins: 690'693 (39.1%)
Black wins: 560'081 (31.7%)
Draws: 517'123 (29.3%)
White score: 53.7%

Engine Details

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Gibbon 2.57a 64-bit in CCRL 40/4, 2018-07-07
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), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Gibbon 2.57a 64-bit has no rank with rating of 2286 Elo points (+15 -15),
based on 1652 games: 592 wins, 675 losses and 385 draws
Score: 47.5%, Average opponent: +20.0, Draws: 23.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Pedone 0.4 64-bit                  2450   3.5-23.5  (+2 -22=3 )    0.0  -165
 - RomiChess P3L 64-bit               2412  12.5-19.5  (+6 -13=13)    0.0   +53
 - PostModernist 1016                 2391   8.5-23.5  (+7 -22=3 )    0.0   -89
 - Leila 0.53h                        2386   9.5-22.5  (+8 -21=3 )    0.0   -68
 - Amy 0.87b                          2384  13.5-17.5  (+9 -13=9 )    0.0   +52
 - Gosu 0.16                          2381  13.5-18.5  (+11-16=5 )    0.0   +33
 - Comet B68                          2376  12.5-19.5  (+9 -16=7 )    0.0    +9
 - Djinn 0.925x                       2373  13.0-19.0  (+9 -15=8 )    0.0   +16
 - Der Bringer 1.9                    2373   9.5-21.5  (+7 -19=5 )    0.0   -62
 - Muse 0.899b                        2371   7.0-25.0  (+4 -22=6 )    0.0  -135
 - Phalanx XXIII beta                 2370  13.0-18.0  (+10-15=6 )    0.0   +21
 - Terra 3.4                          2368  10.5-21.5  (+8 -19=5 )    0.0   -51
 - Myrddin 0.86 64-bit                2366  15.5-16.5  (+11-12=9 )    0.0   +71
 - The Crazy Bishop 0052              2364   9.0-23.0  (+5 -19=8 )    0.0   -79
 - Capivara LK 0.09a02c 64-bit        2358  11.5-18.5  (+6 -13=11)    0.0    -2
 - Amateur 2.82                       2352  12.5-19.5  (+11-18=3 )    0.0   -22
 - Alex 2.14a 64-bit                  2346  15.5-16.5  (+13-14=5 )    0.0   +47
 - Plisk 0.2.7d 64-bit                2342  14.0-16.0  (+11-13=6 )    0.0   +33
 - Horizon 4.4                        2342  11.5-20.5  (+8 -17=7 )    0.0   -49
 - EXchess 6.02b 64-bit               2341  13.5-17.5  (+11-15=5 )    0.0    +3
 - Queen 4.03                         2338  11.0-21.0  (+7 -17=8 )    0.0   -62
 - TJchess 1.1 64-bit                 2337  15.0-17.0  (+10-12=10)    0.0   +25
 - Arion 1.7                          2334  11.0-21.0  (+8 -18=6 )    0.0   -70
 - Ares 1.004                         2332  14.0-15.0  (+11-12=6 )    0.0   +34
 - Sage 3.53                          2325  14.5-16.5  (+12-14=5 )    0.0   +14
 - Chezzz 1.0.3                       2324  18.0-14.0  (+15-11=6 )    0.0   +82
 - Sungorus 1.4 64-bit                2310  16.0-16.0  (+12-12=8 )    0.4   +27
 - EveAnn 1.71a                       2307  11.0-21.0  (+6 -16=10)    2.4   -87
 - TJchess 1.01                       2305  28.5-35.5  (+25-32=7 )    3.2   -24
 - KnightX 1.92                       2296  17.5-14.5  (+14-11=7 )   10.5   +43
 - Popochin 3.2                       2275  18.5-13.5  (+15-10=7 )   91.2   +46
 - Sjakk 1.1.9                        2273  18.5-13.5  (+14-9 =9 )   89.2   +41
 - Waxman 2013                        2268  12.0-19.0  (+8 -15=8 )   94.9   -97
 - Esc 1.16                           2266  18.5-13.5  (+14-9 =9 )   99.0   +35
 - Butcher 1.61 64-bit                2265  15.5-15.5  (+10-10=11)   98.4   -21
 - Natwarlal 0.14                     2261  22.0-10.0  (+17-5 =10)   99.9  +104
 - Mediocre 0.5                       2261  20.0-12.0  (+18-10=4 )   99.1   +74
 - Zeus 1.29                          2259  19.0-13.0  (+14-8 =10)   99.9   +39
 - Capivara LK 0.08a11 64-bit         2251  18.0-14.0  (+11-7 =14)  100.0    +2
 - Ant 2006-F                         2237  20.0-12.0  (+16-8 =8 )  100.0   +41
 - Rhetoric Lite                      2236  19.5-12.5  (+16-9 =7 )  100.0   +28
 - Myrddin 0.85 64-bit                2235  14.0-18.0  (+10-14=8 )  100.0   -98
 - Anechka 0.08                       2235  21.5-10.5  (+17-6 =9 )  100.0   +72
 - AliChess 4.25                      2234  18.5-13.5  (+15-10=7 )  100.0    +2
 - EveAnn 1.66                        2231  13.0-18.0  (+8 -13=10)  100.0  -112
 - Jazz 501 64-bit                    2223  20.0-12.0  (+15-7 =10)  100.0   +20
 - OBender 3.2.x                      2223  22.0-10.0  (+17-5 =10)  100.0   +65
 - Adam 3.3                           2223  19.5-12.5  (+17-10=5 )  100.0   +21
 - Exacto 0.e 64-bit                  2219  21.5-8.5   (+19-6 =5 )  100.0  +101
 - FireFly 2.7.0 64-bit               2207  16.5-15.5  (+15-14=3 )  100.0   -65
 - Mango Paola Ajedrez 1.0            2180  22.5-9.5   (+13-0 =19)  100.0    +6
 - Dolphin 1.0                        2052   8.0-2.0   (+7 -1 =2 )  100.0    -6


Created in 2005-2013 by CCRL team
Last games added on July 7, 2018