CCRL Blitz
Downloads and Statistics
May 9, 2021
Testing summary:
Total: 2'520'531 games
played by 3'005 programs

White wins: 968'591 (38.4%)
Black wins: 775'557 (30.8%)
Draws: 776'383 (30.8%)
White score: 53.8%

Engine Details

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Koivisto 4.0 64-bit in CCRL Blitz, 2021-05-09
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 #56-57 with rating of 3119 Elo points (+17 -17),
based on 1083 games: 292 wins, 345 losses and 446 draws
Score: 47.6%, Average opponent: +14.7, Draws: 41.2%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fizbo 2 64-bit                          3247  10.0-22.0  (+5 -17=10)    0.0    -1
 - Andscacs 0.95 64-bit                    3229   6.0-22.0  (+3 -19=6 )    0.0  -101
 - DanaSah 8.8 64-bit                      3201  13.5-18.5  (+6 -11=15)    0.0   +30
 - Pedone 2.1 64-bit                       3198  13.0-19.0  (+3 -9 =20)    0.0   +31
 - Arasan 22.1 64-bit                      3182  11.0-20.0  (+4 -13=14)    0.0   -26
 - Combusken 1.4.0 64-bit                  3167  10.0-15.0  (+4 -9 =12)    0.0    -7
 - Chiron 4 64-bit                         3163  15.0-17.0  (+8 -10=14)    0.0   +24
 - NirvanaChess 2.5 64-bit                 3163  16.0-14.0  (+7 -5 =18)    0.0   +59
 - Demolito 2020-10-10 64-bit              3160  14.0-22.0  (+6 -14=16)    0.0   -31
 - Critter 1.6a 64-bit                     3156  17.5-14.5  (+9 -6 =17)    0.0   +63
 - Winter 0.9 64-bit                       3155  15.5-16.5  (+10-11=11)    0.1   +26
 - Minic 3.02 64-bit                       3154  18.0-31.0  (+8 -21=20)    0.2   -48
 - Wasp 4.0 64-bit                         3154  14.0-18.0  (+8 -12=12)    0.1    -7
 - Halogen 9 64-bit                        3153  15.5-16.5  (+11-12=9 )    0.2   +25
 - Marvin 5.0.0 64-bit                     3144  16.5-15.5  (+9 -8 =15)    1.9   +36
 - Orion 0.8 64-bit                        3137  13.0-19.0  (+8 -14=10)    5.5   -42
 - Demolito 2020-05-14 64-bit              3131  17.5-14.5  (+11-8 =13)   14.9   +40
 - NirvanaChess 2.4 64-bit                 3131  14.0-18.0  (+8 -12=12)   10.5   -28
 - Vajolet2 2.8 64-bit                     3127  16.0-16.0  (+9 -9 =14)   20.9    +6
 - Marvin 4.0.1 64-bit                     3123  14.0-18.0  (+5 -9 =18)   45.3   -30
 - Weiss 1.3 64-bit                        3119  16.0-14.0  (+11-9 =10)   50.0   +23
 - Minic 2.53 64-bit                       3116  15.5-16.5  (+7 -8 =17)   59.6   -13
 - Texel 1.07 64-bit                       3113  18.0-13.0  (+11-6 =14)   72.2   +49
 - Hannibal 1.7 64-bit                     3110  18.0-13.0  (+13-8 =10)   83.7   +44
 - Rybka 4.1 64-bit                        3110  16.5-14.5  (+12-10=9 )   83.4   +13
 - iCE 4.0 64-bit                          3107  16.5-15.5  (+10-9 =13)   86.8    -1
 - Stash 29.0 64-bit                       3106  16.0-16.0  (+9 -9 =14)   83.1   -10
 - chess22k 1.14 64-bit                    3096  16.5-15.5  (+12-11=9 )   97.9    -9
 - Protector 1.9.0 64-bit                  3087  12.5-18.5  (+5 -11=15)  100.0   -92
 - Seer 1.2.1 64-bit                       3085  21.0-11.0  (+16-6 =10)   99.8   +71
 - Senpai 2.0 64-bit                       3085  19.0-13.0  (+11-5 =16)  100.0   +23
 - Stash 28.0 64-bit                       3066  15.5-10.5  (+12-7 =7 )  100.0   +11
 - SmarThink 1.98 64-bit                   3044  14.5-17.5  (+8 -11=13)  100.0  -106
 - Amoeba 3.3 64-bit                       3018  19.5-12.5  (+13-6 =13)  100.0   -31


Created in 2005-2013 by CCRL team
Last games added on May 9, 2021