KCEC
(Kirr's Chess Engine Comparison)
A tournament of original free chess engines
June 16, 2013
Testing summary:
Total: 135,679 games
played by 202 programs
1398 CPU days (X2 4600+)

White wins: 55,227 (40.7%)
Black wins: 47,434 (35.0%)
Draws: 33,018 (24.3%)
White score: 52.9%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 games with each other



KCEC Rating List - Custom engine selection
135679 games played by 202 programs, run by 1 testers
Ponder off, neutral books (up to 8 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz)
Computed on June 16, 2013 with Bayeselo based on 135,679 games
Tested by Kirill Kryukov, 2005-2024, http://kirill-kryukov.com/chess/kcec/

Rank                 Engine                  Elo   +    -    AvOp  Games
   1 Scorpio 2.0 32-bit                     2754  +23  -23   -21.6   802
     Scorpio 1.91                           2739  +26  -26   -14.4   594
   2 NagaSkaki 5.12                         2232  +18  -18    +9.0  1216
   3 BigLion 2.23x                          2117  +17  -17    -6.8  1408

Created in 2005-2012 by Kirill Kryukov
Updated on June 16, 2013