CCRL 40/4
Downloads and Statistics
June 22, 2019
Testing summary:
Total: 2'052'494 games
played by 2'371 programs
27529 CPU days (X2 4600+)

White wins: 797'533 (38.9%)
Black wins: 645'585 (31.5%)
Draws: 609'376 (29.7%)
White score: 53.7%

Engine Details

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Gibbon 2.52a in CCRL 40/4, 2019-06-22
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, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Gibbon 2.52a has no rank with rating of 2213 Elo points (+25 -25),
based on 641 games: 257 wins, 262 losses and 122 draws
Score: 49.6%, Average opponent: +1.5, Draws: 19.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Delphil 2.7                        2421   2.5-6.5   (+2 -6 =1 )    0.0   +35
 - Arion 1.7                          2332   9.0-23.0  (+6 -20=6 )    0.0   -45
 - Sorgenkind 0.4                     2329  10.5-20.5  (+6 -16=9 )    0.0    +2
 - Sage 3.53                          2325  15.0-16.0  (+13-14=4 )    0.0  +100
 - Asterisk 0.6                       2307  11.0-20.0  (+9 -18=4 )    0.0   -18
 - Joker 1.1.14                       2306  12.0-19.0  (+8 -15=8 )    0.0   +13
 - KnightX 1.92                       2297  13.0-19.0  (+9 -15=8 )    0.0   +14
 - Ayito 0.2.994                      2287  12.0-18.0  (+9 -15=6 )    0.0     0
 - Ares 1.003a                        2285  15.5-14.5  (+13-12=5 )    0.0   +85
 - Popochin 3.2                       2275  10.5-20.5  (+8 -18=5 )    0.0   -60
 - Scidlet 3.61 64-bit                2266  13.5-17.5  (+11-15=5 )    0.0    +2
 - Natwarlal 0.14                     2261  11.5-20.5  (+9 -18=5 )    0.0   -62
 - Anechka 0.08                       2234  13.0-18.0  (+8 -13=10)    5.2   -36
 - AliChess 4.25                      2229  16.0-15.0  (+13-12=6 )   12.5   +28
 - Atlas 2.20                         2192  17.0-14.0  (+16-13=2 )   93.7   +20
 - BlackBishop 1.0                    2156  17.0-15.0  (+13-11=8 )  100.0   -34
 - NagaSkaki 5.12                     2154   5.0-5.0   (+4 -4 =2 )  100.0   -59
 - TJchess 0.121R                     2116  19.5-12.5  (+16-9 =7 )  100.0   -17
 - Parrot 07.07.22                    2078  25.0-6.0   (+22-3 =6 )  100.0  +106
 - Monarch 1.7                        2056  17.5-12.5  (+16-11=3 )  100.0   -87
 - Cilian 4.14                        1961  30.0-2.0   (+28-0 =4 )  100.0  +159
 - Micro-Max 4.8                      1953  22.0-8.0   (+18-4 =8 )  100.0   -95


Created in 2005-2013 by CCRL team
Last games added on June 22, 2019