CCRL 40/15
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 1'166'106 games
played by 2'690 programs

White wins: 402'287 (34.5%)
Black wins: 297'247 (25.5%)
Draws: 466'572 (40.0%)
White score: 54.5%

Engine Details

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Butcher 1.61 64-bit in CCRL 40/15, 2020-08-01
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Butcher 1.61 64-bit is #270-271 with rating of 2335 Elo points (+30 -30),
based on 393 games: 142 wins, 152 losses and 99 draws
Score: 48.7%, Average opponent: +10.4, Draws: 25.2%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - NirvanaChess 1.1 64-bit                 2549   1.0-2.0   (+1 -2 =0 )    0.0   +48
 - Gogobello 1.0 64-bit                    2462   2.0-2.0   (+2 -2 =0 )    0.0  +127
 - Gosu 0.16                               2402   9.5-14.5  (+6 -11=7 )    0.0    -4
 - Sjakk 2.0 64-bit                        2402   1.0-2.0   (+1 -2 =0 )    0.0   -89
 - pikoSzachy 3.4                          2399  11.5-12.5  (+10-11=3 )    0.2   +51
 - Zevra 2.1.2 r248 64-bit                 2397   3.5-6.5   (+2 -5 =3 )    0.0   -46
 - Patzer 3.80                             2397   9.0-15.0  (+7 -13=4 )    0.0   -34
 - Phalanx XXII                            2394  11.0-13.0  (+9 -11=4 )    0.1   +27
 - Sorgenkind 0.4                          2388  11.0-13.0  (+8 -10=6 )    0.1   +23
 - Tytan 9.3                               2382   9.5-14.5  (+6 -11=7 )    0.6   -29
 - Jazz 721 64-bit                         2378   1.0-1.0   (+1 -1 =0 )    0.9   +43
 - Ares 1.004                              2373  10.0-14.0  (+7 -11=6 )    1.2   -24
 - TJchess 1.1 64-bit                      2365   0.0-2.0   (+0 -2 =0 )    5.2  -INF
 - Flux 2.2.1                              2358  10.5-13.5  (+7 -10=7 )   10.6   -18
 - Plisk 0.2.6 32-bit                      2350   1.0-0.0   (+1 -0 =0 )   25.8  +INF
 - GreKo 5.9                               2349   1.5-0.5   (+1 -0 =1 )   22.9  +132
 - Ifrit m1.6 32-bit                       2344   1.0-2.0   (+0 -1 =2 )   34.3   -73
 - Jumbo 0.4.17 64-bit                     2343   4.5-5.5   (+3 -4 =3 )   34.6   -23
 - Aice 0.99.2                             2338   9.5-14.5  (+7 -12=5 )   43.0   -77
 - EveAnn 1.71                             2335   1.0-1.0   (+0 -0 =2 )   48.8     0
 - Plisk 0.2.6 64-bit                      2330  10.5-15.5  (+6 -11=9 )   58.9   -70
 - KnightX 1.93 64-bit                     2321   6.0-4.0   (+5 -3 =2 )   78.0   +57
 - Kingfisher 1.1.1 64-bit                 2314   7.0-5.0   (+4 -2 =6 )   84.2   +28
 - Capivara LK 0.09a01a 64-bit             2307   2.0-1.0   (+1 -0 =2 )   91.7   +54
 - Waxman 2011                             2304   2.0-1.0   (+2 -1 =0 )   93.2  +125
 - Sjakk 1.1.8                             2303  16.5-7.5   (+14-5 =5 )   95.1  +104
 - Alex 2.09                               2301   0.5-1.5   (+0 -1 =1 )   94.0  -190
 - Zeus 1.29                               2299   0.5-1.5   (+0 -1 =1 )   97.3  -178
 - Pawny 0.1.6                             2293   1.0-1.0   (+1 -1 =0 )   96.7   -42
 - Bearded N44.2 64-bit                    2286   5.0-5.0   (+2 -2 =6 )   99.1   -52
 - Rhetoric Lite                           2285   0.5-1.5   (+0 -1 =1 )   98.3  -192
 - Glass 1.2                               2283   2.0-1.0   (+1 -0 =2 )   99.2   +19
 - OBender 03.2016 64-bit                  2215   8.5-1.5   (+7 -0 =3 )  100.0  +132
 - Isa 1.9.63 64-bit                       2185   7.0-3.0   (+7 -3 =0 )  100.0   +26
 - Dorpsgek Cosmopolitan 2 64-bit          2152   9.5-0.5   (+9 -0 =1 )  100.0  +262
 - Napoleon 1.7 64-bit                     2134   4.0-2.0   (+4 -2 =0 )  100.0   -51


Created in 2005-2013 by CCRL team
Last games added on August 1, 2020