CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Topple 0.3.4 64-bit 4CPU in CCRL 40/4, 2019-07-20
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:
Topple 0.3.4 64-bit 4CPU has no rank with rating of 2674 Elo points (+31 -31),
based on 400 games: 228 wins, 87 losses and 85 draws
Score: 67.6%, Average opponent: −129.6, Draws: 21.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Aristarch 4.50                     2566  19.0-14.0  (+16-11=6 )  100.0   -53
 - nanoSzachy 4.1 64-bit              2557  25.5-7.5   (+22-4 =7 )  100.0   +89
 - Brutus 8.05 64-bit                 2556  22.5-9.5   (+17-4 =11)  100.0   +13
 - Petir 4.999999                     2555  22.0-11.0  (+18-7 =8 )  100.0     0
 - Ghost 3.1 64-bit                   2551  15.0-18.0  (+12-15=6 )  100.0  -160
 - Betsabe II 1.84                    2542  23.5-10.5  (+19-6 =9 )  100.0    +4
 - Ufim 8.02                          2539  23.0-11.0  (+21-9 =4 )  100.0    +7
 - AnMon 5.75                         2539  24.5-9.5   (+22-7 =5 )  100.0   +37
 - Capivara LK 0.09b02g 64-bit        2538  21.5-11.5  (+15-5 =13)  100.0   -42
 - Pupsi2 0.09                        2537  25.0-9.0   (+22-6 =6 )  100.0   +45
 - Hermann 2.8 64-bit                 2531  22.5-11.5  (+19-8 =7 )  100.0   -21
 - JikChess 0.02 64-bit               2523  26.5-6.5   (+25-5 =3 )  100.0  +106


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019