CCRL Blitz
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 2'472'902 games
played by 2'944 programs

White wins: 950'998 (38.5%)
Black wins: 761'961 (30.8%)
Draws: 759'943 (30.7%)
White score: 53.8%

Engine Details

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Koivisto 4.0 64-bit in CCRL Blitz, 2021-02-27
Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

CCRL Blitz main list:
Koivisto 4.0 64-bit is #54-55 with rating of 3120 Elo points (+18 -18),
based on 961 games: 252 wins, 312 losses and 397 draws
Score: 46.9%, Average opponent: +19.1, Draws: 41.3%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fizbo 2 64-bit                          3247  10.0-22.0  (+5 -17=10)    0.0    -2
 - Andscacs 0.95 64-bit                    3229   6.0-22.0  (+3 -19=6 )    0.0  -102
 - Pedone 2.1 64-bit                       3199  13.0-19.0  (+3 -9 =20)    0.0   +31
 - Arasan 22.1 64-bit                      3183  11.0-20.0  (+4 -13=14)    0.0   -26
 - Combusken 1.4.0 64-bit                  3166  10.0-15.0  (+4 -9 =12)    0.0    -9
 - NirvanaChess 2.5 64-bit                 3164  16.0-14.0  (+7 -5 =18)    0.0   +59
 - Chiron 4 64-bit                         3164  15.0-17.0  (+8 -10=14)    0.0   +24
 - Demolito 2020-10-10 64-bit              3161  14.0-22.0  (+6 -14=16)    0.0   -31
 - Winter 0.9 64-bit                       3158  15.5-16.5  (+10-11=11)    0.1   +28
 - Critter 1.6a 64-bit                     3157  17.5-14.5  (+9 -6 =17)    0.0   +63
 - Minic 3.02 64-bit                       3155  18.0-31.0  (+8 -21=20)    0.2   -48
 - Wasp 4.0 64-bit                         3155  14.0-18.0  (+8 -12=12)    0.1    -7
 - Halogen 9 64-bit                        3154  15.5-16.5  (+11-12=9 )    0.3   +25
 - Marvin 5.0.0 64-bit                     3144  16.5-15.5  (+9 -8 =15)    3.2   +35
 - Orion 0.8 64-bit                        3137  13.0-19.0  (+8 -14=10)    7.7   -43
 - NirvanaChess 2.4 64-bit                 3132  14.0-18.0  (+8 -12=12)   12.3   -28
 - Demolito 2020-05-14 64-bit              3132  17.5-14.5  (+11-8 =13)   15.7   +40
 - Vajolet2 2.8 64-bit                     3131  16.0-16.0  (+9 -9 =14)   16.3    +9
 - Marvin 4.0.1 64-bit                     3124  14.0-18.0  (+5 -9 =18)   45.8   -30
 - Weiss 1.3 64-bit                        3120  16.0-14.0  (+11-9 =10)   49.1   +23
 - Minic 2.53 64-bit                       3117  15.5-16.5  (+7 -8 =17)   58.6   -13
 - Texel 1.07 64-bit                       3113  18.0-13.0  (+11-6 =14)   74.5   +48
 - Hannibal 1.7 64-bit                     3110  18.0-13.0  (+13-8 =10)   83.5   +43
 - Rybka 4.1 64-bit                        3110  16.5-14.5  (+12-10=9 )   83.2   +12
 - iCE 4.0 64-bit                          3109  16.5-15.5  (+10-9 =13)   83.8     0
 - chess22k 1.14 64-bit                    3096  16.5-15.5  (+12-11=9 )   98.0   -10
 - Seer 1.2.1 64-bit                       3091  21.0-11.0  (+16-6 =10)   99.0   +76
 - Protector 1.9.0 64-bit                  3088  12.5-18.5  (+5 -11=15)   99.9   -92
 - Senpai 2.0 64-bit                       3086  19.0-13.0  (+11-5 =16)  100.0   +23
 - SmarThink 1.98 64-bit                   3045  14.5-17.5  (+8 -11=13)  100.0  -106


Created in 2005-2013 by CCRL team
Last games added on February 27, 2021