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 5 engines!
5 selected engines played 22 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 Naum 2.0 64-bit                        2793  +21  -21   -58.9   961
     Naum 2.0 32-bit                        2777  +26  -26   -51.4   551
   2 Thinker 4.7a                           2634  +17  -17   -20.5  1366
   3 King of Kings 2.56                     2536  +18  -18    -2.5  1214
   4 Faile 1.4.4                            2042  +15  -15   +26.8  1968
Created in 2005-2012 by Kirill Kryukov
Updated on June 16, 2013