CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Engine Details

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Koivisto 4.0 64-bit in CCRL Blitz, 2021-04-17
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 #55 with rating of 3118 Elo points (+17 -17),
based on 1051 games: 286 wins, 334 losses and 431 draws
Score: 47.7%, Average opponent: +14.0, Draws: 41.0%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fizbo 2 64-bit                          3247  10.0-22.0  (+5 -17=10)    0.0     0
 - Andscacs 0.95 64-bit                    3229   6.0-22.0  (+3 -19=6 )    0.0  -100
 - Pedone 2.1 64-bit                       3199  13.0-19.0  (+3 -9 =20)    0.0   +33
 - Arasan 22.1 64-bit                      3182  11.0-20.0  (+4 -13=14)    0.0   -25
 - Combusken 1.4.0 64-bit                  3168  10.0-15.0  (+4 -9 =12)    0.0    -5
 - NirvanaChess 2.5 64-bit                 3164  16.0-14.0  (+7 -5 =18)    0.0   +61
 - Chiron 4 64-bit                         3164  15.0-17.0  (+8 -10=14)    0.0   +26
 - Demolito 2020-10-10 64-bit              3160  14.0-22.0  (+6 -14=16)    0.0   -30
 - Winter 0.9 64-bit                       3157  15.5-16.5  (+10-11=11)    0.0   +29
 - Critter 1.6a 64-bit                     3156  17.5-14.5  (+9 -6 =17)    0.0   +64
 - Wasp 4.0 64-bit                         3155  14.0-18.0  (+8 -12=12)    0.1    -5
 - Minic 3.02 64-bit                       3154  18.0-31.0  (+8 -21=20)    0.1   -47
 - Halogen 9 64-bit                        3153  15.5-16.5  (+11-12=9 )    0.2   +26
 - Marvin 5.0.0 64-bit                     3145  16.5-15.5  (+9 -8 =15)    1.8   +38
 - Orion 0.8 64-bit                        3137  13.0-19.0  (+8 -14=10)    4.7   -41
 - Demolito 2020-05-14 64-bit              3132  17.5-14.5  (+11-8 =13)   13.7   +42
 - NirvanaChess 2.4 64-bit                 3131  14.0-18.0  (+8 -12=12)    9.4   -27
 - Vajolet2 2.8 64-bit                     3127  16.0-16.0  (+9 -9 =14)   20.6    +7
 - Marvin 4.0.1 64-bit                     3123  14.0-18.0  (+5 -9 =18)   44.7   -29
 - Weiss 1.3 64-bit                        3119  16.0-14.0  (+11-9 =10)   48.4   +24
 - Minic 2.53 64-bit                       3116  15.5-16.5  (+7 -8 =17)   56.6   -12
 - Texel 1.07 64-bit                       3113  18.0-13.0  (+11-6 =14)   69.9   +50
 - Rybka 4.1 64-bit                        3110  16.5-14.5  (+12-10=9 )   81.3   +14
 - Hannibal 1.7 64-bit                     3109  18.0-13.0  (+13-8 =10)   81.8   +44
 - Stash 29.0 64-bit                       3108  16.0-16.0  (+9 -9 =14)   78.1    -7
 - iCE 4.0 64-bit                          3107  16.5-15.5  (+10-9 =13)   84.3     0
 - chess22k 1.14 64-bit                    3096  16.5-15.5  (+12-11=9 )   97.3    -8
 - Protector 1.9.0 64-bit                  3087  12.5-18.5  (+5 -11=15)   99.9   -91
 - Senpai 2.0 64-bit                       3085  19.0-13.0  (+11-5 =16)  100.0   +24
 - Seer 1.2.1 64-bit                       3085  21.0-11.0  (+16-6 =10)   99.7   +72
 - Stash 28.0 64-bit                       3066  15.5-10.5  (+12-7 =7 )  100.0   +12
 - SmarThink 1.98 64-bit                   3045  14.5-17.5  (+8 -11=13)  100.0  -104
 - Amoeba 3.3 64-bit                       3019  19.5-12.5  (+13-6 =13)  100.0   -29


Created in 2005-2013 by CCRL team
Last games added on April 17, 2021