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Tournament Info
Top15 round-robin tournament of free engines only, using Stefan Pohl's unbalanced 3-move book Chess324xxl_big+090_+119.pgn played reversed sides per pairing.

Time Control: game in 2 minutes plus 1 second increment, 2'+1"
Hardware: Intel i7 12700
CuteChess GUI: Concurrency 8 (# of P-cores)
Each engine 512MB hash, 1 thread, ponder off
Each pairing 100 openings
Adjudication: Syzygy 5-men only - no eval based adjudication.
Endgame tablebases: Syzygy 5-men.
Ratings calculated with Ordo.

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   # PLAYER               :  RATING  ERROR  POINTS  PLAYED   (%)     W     D    L  D(%)  OppAvg  CFS(%)
   1 Stockfish 19         :    3905      7  2024.5    3000  67.5  1128  1793   79  59.8    3775     100
   2 Reckless 0.9.0       :    3847      7  1784.0    3000  59.5   823  1922  255  64.1    3779     100
   3 Torch 4d             :    3831      7  1712.0    3000  57.1   755  1914  331  63.8    3780      97
   4 PlentyChess 8.0.0    :    3821      7  1666.0    3000  55.5   723  1886  391  62.9    3781      56
   5 pawnocchio 2.0       :    3820      7  1662.5    3000  55.4   676  1973  351  65.8    3781     100
   6 Viridithas 20.0.0    :    3799      7  1571.0    3000  52.4   574  1994  432  66.5    3783     100
   7 Stormphrax 8.0.0     :    3786      7  1511.5    3000  50.4   509  2005  486  66.8    3783      54
   8 Cinder 0.6.1         :    3785      7  1509.5    3000  50.3   529  1961  510  65.4    3783     100
   9 Hobbes 3.0           :    3768      7  1433.0    3000  47.8   435  1996  569  66.5    3785      79
  10 Obsidian 16.0        :    3764      7  1413.5    3000  47.1   451  1925  624  64.2    3785      96
  11 Alexandria 9.0       :    3755      7  1372.0    3000  45.7   421  1902  677  63.4    3786      53
  12 Berserk 14           :    3754      7  1370.5    3000  45.7   392  1957  651  65.2    3786     100
  13 Raphael 4.2.0        :    3732      7  1271.0    3000  42.4   355  1832  813  61.1    3787      80
  14 Caissa 1.26          :    3728      7  1252.0    3000  41.7   300  1904  796  63.5    3787      87
  15 Clover 9.1           :    3722      7  1227.0    3000  40.9   279  1896  825  63.2    3788      62
  16 Tarnished v6.0       :    3720      7  1220.0    3000  40.7   272  1896  832  63.2    3788     ---


  Total: 24,000 games played by 16 programs (games available on request)
  Engine participation is at my discretion. Viewers should not infer anything from those decisions.

  White wins: 8,443 (35.18%)
  Black wins: 179 (0.75%)
  Draws: 15,378 (64.07%)
  White score: 67.22%
  Updated: 2026-09-07