DFRC tournament

Discussion of computer chess matches and engine tournaments.

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Modern Times
Posts: 3784
Joined: Thu Jun 07, 2012 11:02 pm

DFRC tournament

Post by Modern Times »

I ran a small DFRC tournament of top engines as an experiment

Code: Select all

 # PLAYER               :  RATING  ERROR  POINTS  PLAYED   (%)    W    D    L  D(%)  OppAvg  CFS(%)
   1 Stockfish 17.1       :    3859     12   685.0    1100  62.3  379  612  109  55.6    3770      91
   2 Reckless 0.8.0       :    3846     13   664.0    1100  60.4  361  606  133  55.1    3771     100
   3 Torch V3             :    3818     11   618.0    1100  56.2  307  622  171  56.5    3774      74
   4 PlentyChess 7.0.0    :    3813     12   609.0    1100  55.4  297  624  179  56.7    3774      99
   5 Clover 9.1           :    3792     12   575.0    1100  52.3  243  664  193  60.4    3776      98
   6 Viridithas 18.0.0    :    3773     12   543.5    1100  49.4  221  645  234  58.6    3778      78
   7 Stormphrax 7.0.0     :    3766     13   531.5    1100  48.3  207  649  244  59.0    3778      73
   8 Caissa 1.24          :    3761     11   522.5    1100  47.5  192  661  247  60.1    3779      88
   9 Berserk 13           :    3751     12   505.5    1100  46.0  184  643  273  58.5    3780      95
  10 Komodo Dragon 3.3    :    3736     12   480.5    1100  43.7  168  625  307  56.8    3781      99
  11 pawnocchio v1.8      :    3713     12   443.5    1100  40.3  130  627  343  57.0    3783      92
  12 Horsie 1.1           :    3700     13   422.0    1100  38.4  113  618  369  56.2    3784     ---
Number of Games 6,600
White Percentage 68.50%
White Wins 2,622 (39.73%)
Draws 3,798 (57.55%)
Black Wins 180 (2.73%)


Tournament Info
DFRC Round-robin tournament of top engines, using randomly selected openings from dfrc_90-120.pgn played reversed sides per pairing
The openings pgn was generated from DFRC_depth20.csv.xz provided I think by the Stockfish team
Thanks to Syn (synthetica9) on Discord for showing me how to extract lines.
108,378 openings fell into the range +90 to +120. I don't recall which Stockfish version generated those evals.


Time Control: game in 1 minutes plus 1 second increment, 1'+1"
CuteChess GUI: Concurrency 12
Hardware: AMD Ryzen 9 5900X (TDP set at 105W)
Each engine 512MB hash, 1 thread, ponder off
Each pairing 100 games (50 openings, reversed side)
Adjudication: Syzygy 5-men only - no eval based adjudication.
Endgame tablebases: Syzygy 5-men.
Ratings calculated with Ordo.