CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

Options
Show each game results
Butcher 1.61 64-bit in CCRL 40/40, 2018-02-17
Ponder off, General book (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), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Butcher 1.61 64-bit is #229-231 with rating of 2330 Elo points (+31 -31),
based on 361 games: 131 wins, 142 losses and 88 draws
Score: 48.5%, Average opponent: +12.5, Draws: 24.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - NirvanaChess 1.1 64-bit            2548   1.0-2.0   (+1 -2 =0 )    0.0   +52
 - Gogobello 1.0 64-bit               2463   2.0-2.0   (+2 -2 =0 )    0.0  +133
 - Patzer 3.80                        2404   9.0-15.0  (+7 -13=4 )    0.0   -21
 - Sjakk 2.0 64-bit                   2401   1.0-2.0   (+1 -2 =0 )    0.0   -85
 - pikoSzachy 3.4                     2396  11.5-12.5  (+10-11=3 )    0.2   +53
 - Phalanx XXII                       2393  11.0-13.0  (+9 -11=4 )    0.1   +31
 - Gosu 0.16                          2388   9.5-14.5  (+6 -11=7 )    0.1   -13
 - Sorgenkind 0.4                     2387  11.0-13.0  (+8 -10=6 )    0.1   +27
 - Jazz 721 64-bit                    2384   1.0-1.0   (+1 -1 =0 )    0.3   +54
 - Tytan 9.3                          2374   9.5-14.5  (+6 -11=7 )    1.1   -32
 - Ares 1.004                         2372  10.0-14.0  (+7 -11=6 )    0.9   -20
 - TJchess 1.1 64-bit                 2363   0.0-2.0   (+0 -2 =0 )    3.9  -INF
 - Flux 2.2.1                         2351  10.5-13.5  (+7 -10=7 )   14.1   -20
 - Plisk 0.2.6 32-bit                 2348   1.0-0.0   (+1 -0 =0 )   21.7  +INF
 - GreKo 5.9                          2347   1.5-0.5   (+1 -0 =1 )   19.4  +135
 - Jumbo 0.4.17 64-bit                2340   4.5-5.5   (+3 -4 =3 )   31.0   -21
 - Ifrit m1.6 32-bit                  2340   1.0-2.0   (+0 -1 =2 )   33.8   -71
 - Aice 0.99.2                        2333   9.5-14.5  (+7 -12=5 )   43.2   -77
 - EveAnn 1.71                        2325   1.0-1.0   (+0 -0 =2 )   58.1    -5
 - Plisk 0.2.6 64-bit                 2323  10.5-15.5  (+6 -11=9 )   62.8   -72
 - Capivara LK 0.09a01a 64-bit        2306   2.0-1.0   (+1 -0 =2 )   88.0   +58
 - Waxman 2011                        2304   2.0-1.0   (+2 -1 =0 )   88.9  +130
 - Sjakk 1.1.8                        2301  16.5-7.5   (+14-5 =5 )   93.0  +107
 - Alex 2.09                          2299   0.5-1.5   (+0 -1 =1 )   91.5  -187
 - Zeus 1.29                          2297   0.5-1.5   (+0 -1 =1 )   95.4  -175
 - Pawny 0.1.6                        2290   1.0-1.0   (+1 -1 =0 )   95.8   -40
 - Bearded N44.2 64-bit               2284   5.0-5.0   (+2 -2 =6 )   98.7   -49
 - Glass 1.2                          2281   2.0-1.0   (+1 -0 =2 )   98.7   +22
 - Rhetoric Lite                      2278   0.5-1.5   (+0 -1 =1 )   98.4  -193
 - OBender 03.2016 64-bit             2215   8.5-1.5   (+7 -0 =3 )  100.0  +137
 - Isa 1.9.63 64-bit                  2187   7.0-3.0   (+7 -3 =0 )  100.0   +33
 - Dorpsgek Cosmopolitan 2 64-bit     2152   9.5-0.5   (+9 -0 =1 )  100.0  +267
 - Napoleon 1.7 64-bit                2129   4.0-2.0   (+4 -2 =0 )  100.0   -51


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018