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 17 engines!
17 selected engines played 848 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 Fruit 2.3 32-bit                       2888  +23  -23  -147.8   823
   2 E.T. Chess 13.01.08                    2733  +21  -21    -7.3   919
   3 Pharaon 3.5.1                          2704  +19  -19   +10.0  1295
   4 BugChess2 1.5.2                        2661  +18  -18   -21.7  1278
   5 AnMon 5.60                             2621  +18  -18    -9.9  1299
     E.T. Chess 18.11.05                    2620  +21  -21   -10.2   845
   6 Gaia 3.5 64-bit                        2536  +17  -17    +3.6  1344
   7 Dragon 4.6                             2524  +16  -16   -11.5  1406
   8 Nejmet 3.07                            2521  +16  -16    -2.8  1549
   9 The Crazy Bishop 0052                  2460  +15  -15   -26.1  1728
  10 Arion 1.7                              2415  +16  -16   -10.9  1458
  11 KnightX 1.92                           2385  +15  -15   -34.3  1713
  12 WJChess 1.64                           2215  +16  -16   +13.0  1691
  13 La Dame Blanche 2.0c                   2070  +19  -19    +3.9  1088
  14 BibiChess 0.5                          2007  +16  -16   +16.3  1824
  15 Heracles 0.6.16                        1993  +19  -19   -28.6  1216
  16 Ranita 2.4                             1907  +20  -20   -20.0  1120

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