CCRL Blitz
Downloads and Statistics
January 18, 2020
Testing summary:
Total: 2'170'592 games
played by 2'550 programs

White wins: 839'954 (38.7%)
Black wins: 677'788 (31.2%)
Draws: 652'850 (30.1%)
White score: 53.7%

Engine Details

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Butterfly 0.5 64-bit in CCRL Blitz, 2020-01-18
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, 2005-2020, http://ccrl.chessdom.com/ccrl/404/

CCRL Blitz main list:
Butterfly 0.5 64-bit has no rank with rating of 1613 Elo points (+26 -26),
based on 533 games: 180 wins, 142 losses and 211 draws
Score: 53.6%, Average opponent: −8.2, Draws: 39.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Fortress 1.62                      2135   0.5-24.5  (+0 -24=1 )    0.0   -77
 - IACH 0.56z                         1917   5.0-20.0  (+0 -15=10)    0.0  +107
 - Macromix 2.01                      1802  11.0-20.0  (+7 -16=8 )    0.0   +85
 - Laurifer 1.0                       1750  12.5-12.5  (+7 -7 =11)    0.0  +137
 - Adamant 1.7                        1734   9.0-13.0  (+6 -10=6 )    0.0   +52
 - RumbleMinze 1.0.33                 1706  10.0-15.0  (+5 -10=10)    0.0   +28
 - Pooky 2.7                          1656  11.0-11.0  (+7 -7 =8 )    0.2   +43
 - Vapor 0.01r12                      1643   9.5-11.5  (+3 -5 =13)    2.2    +3
 - Kitteneitor 0.12.1                 1604   9.0-13.0  (+4 -8 =10)   67.9   -67
 - Zotron 4.4.6                       1592  11.0-12.0  (+5 -6 =12)   93.6   -39
 - Needle 0.531                       1581  10.5-12.5  (+4 -6 =13)   99.1   -53
 - Damas 9                            1580  13.5-6.5   (+10-3 =7 )   98.7   +74
 - Vajolet 0.4.1                      1512  15.0-8.0   (+11-4 =8 )  100.0     0
 - Exacto 0.d                         1507  16.5-8.5   (+11-3 =11)  100.0    -9
 - Piranha 0.5                        1501  18.0-6.0   (+15-3 =6 )  100.0   +66
 - Tarrasch Toy Engine 0.906          1492  12.5-9.5   (+8 -5 =9 )  100.0   -81
 - APILChess 1.05r1b                  1482  14.0-9.0   (+5 -0 =18)  100.0   -83
 - Roque 1.1                          1471  18.0-5.0   (+14-1 =8 )  100.0   +44
 - Blikskottel 0.8                    1461  15.0-4.0   (+12-1 =6 )  100.0   +55
 - Nero 6.1                           1447  15.0-7.0   (+10-2 =10)  100.0   -55
 - Eden 0.0.13                        1406  17.0-6.0   (+12-1 =10)  100.0   -54
 - Numpty Omega                       1380  15.0-7.0   (+10-2 =10)  100.0  -124
 - Virutor Chess 1.1                  1363  17.0-6.0   (+14-3 =6 )  100.0   -80


Created in 2005-2013 by CCRL team
Last games added on January 18, 2020