Stefan Pohl Computer Chess

Home of famous UHO openings and EAS Ratinglist


Latest Website-News (2024/10/17): Testrun of Stockfish 241012 finished: -1 Celo to Stockfish 241004

I released an update of my EAS-Tool (now V5.8). No functional change, only cleaner output and a small bugfix. Gaunlet-EAS-tool stays unchangend...Download here

Testruns of Rebel EAS 2.0 and Rebel Extreme for my full Ratinglist finished.

 

Dont forget to take a look at my EAS-Ratinglist (The world's first engine-ratinglist not measuring strength of engines, but engines's style of play)

 

Next testrun: Viridithas 15.0 avx512

 

 

Stay tuned


UHO-Top15 Engines Ratinglist (+ regular testing of Stockfish Dev-versions)

 

 

Playing conditions:

 

The 15 strongest engines and the latest StockfishDev version are playing 1000 games vs. each opponent: 15000 games per engine are played. A RoundRobin Tournament with 120000 games overall !

 

Hardware: AMD Ryzen 9 7945HX 16-core (32 threads) notebook with 64GB RAM (since 2024/10/08)

Speed: (singlethread, TurboBoost-mode switched off, chess starting position) Stockfish 17: 600 kn/s (when 26 games are running simultaneously)

Hash: 512MB per engine

GUI: Cutechess-cli (GUI ends game, when a 5-piece endgame is on the board, all other games are played until mate or draw by chess-rules (3fold, 50-moves, stalemate))

Tablebases: None for engines, 5 Syzygy for cutechess-cli

OpeningsMy UHO_2022_6mvs_+120_+129 openings are used (first 500 lines) (UHO 2022 openings are part of my Anti Draw Openings download-package). 

Ponder, Large Memory Pages & learning: Off

Thinking time: 3min+1sec per game/engine. One testrun (15000 games) takes around 80-85 hours (=3.5 days)

The version-numbers of the Stockfish engines are the date of the latest patch, which was included in the Stockfish sourcecode, not the release-date of the engine-file, written backwards (year,month,day))(example: 200807 = August, 7, 2020). The used SF compile is the AVX512-compile, which is the fastest on my AMD Ryzen CPU. SF binaries are taken from https://github.com/official-stockfish/Stockfish/releases (except the official SF-release versions, which are taken form the official Stockfish website).

Read the explanation, why I chose my testing-conditions, like I did here

 

Latest update: 2024/10/17: Stockfish 241012 (-1 Celo to Stockfish 241004)

 

(Ordo-calculation fixed to Stockfish 17 = 3843 Celo. Mention, there are no human or "realistic" Elo numbers in enginechess, since the engines reached superhuman strength, so I decided to use "Celo" (=Computer Elo) instead)

 

See the tournament cross-table as a picture (done by Fritz18 GUI) here

See the individual statistics of engine-results here

See the Engines Aggressiveness Score Ratinglist here

See the Gamepair-statistics of the UHO-Top15 Ratinglist here

See the full UHO Ratinglist (with EAS-Ratinglist): here

Download the current gamebase, the full-list gamebase and the archive here

See the old SPCC-Ratinglist (full list) and EAS-List from 2020 until 2023/08/28: here

 

(best Stockfish Celo: Stockfish 241004: 3850 Celo, latest full release (Stockfish 17) had 3843 Celo)

(highest EAS-Score since Stockfish 16 release: Stockfish 240519: 203882 EAS-points)

(Read the explanation of the Lc0-entry in the Ratinglist here).

     Program                    Celo    +    - Games    Score   Av.Op. Draws

   1 Stockfish 241012 a512    : 3849    4    4 15000    71.1%   3686   48.0%
   2 Stockfish 17 240906      : 3843    4    4 15000    70.3%   3686   48.6%
   3 Torch 3 popavx2          : 3807    4    4 15000    65.8%   3688   48.4%
 [   Lc0 0.32dev BT4-6077500  : 3762   15   15  1000 (NN vs SF15.1 testing)]
   4 Berserk 13 avx2          : 3736    4    4 15000    55.9%   3693   50.3%
   5 KomodoDragon 3.3 avx2    : 3730    4    4 15000    55.0%   3694   51.1%
   6 Obsidian 13.08 avx2      : 3729    4    4 15000    54.9%   3694   51.1%
   7 Caissa 1.20 avx2         : 3688    4    4 15000    48.9%   3696   50.9%
   8 PlentyChess 2.1 avx2     : 3686    4    4 15000    48.7%   3697   51.7%
   9 Ethereal 14.38 avx2      : 3685    4    4 15000    48.5%   3697   50.2%
  10 RubiChess 240817 avx2    : 3671    4    4 15000    46.5%   3698   49.7%
  11 Alexandria 7.0 avx2      : 3656    4    4 15000    44.3%   3699   51.3%
  12 Clover 8.0 avx2          : 3645    4    4 15000    42.7%   3699   51.1%
  13 Viridithas 14.0 avx2     : 3616    4    4 15000    38.7%   3701   49.1%
  14 Lizard 11.0 avx2         : 3603    4    4 15000    36.9%   3702   48.3%
  15 Motor 0.70 avx2          : 3599    4    4 15000    36.4%   3702   51.1%
  16 Titan 1.1 avx2           : 3591    4    4 15000    35.3%   3703   49.6%


Games        : 120000 (finished)

White Wins   : 57854 (48.2 %)
Black Wins   : 2103   (1.8 %)
Draws        : 60043 (50.0 %)


Below the UHO-Top15 Ratinglist, recalculated with Gamepairs (using my Gamepair Rescoring Tool V1.5), Ordo-calculation fixed to Stockfish 17 = 3843 Celo, realizing Vondele's (Stockfish Maintainer) idea: "Thinking uniquely in game pairs makes sense with the biased openings used these days. While pentanomial makes  sense it is a bit complicated so we could simplify and score game pairs only (not games) as W-L-D (a traditional score of 2-0, or 1.5-0.5 is just a W)."

See the head-to-head gamepair-statistics of the UHO-Top15 Ratinglist here

   # PLAYER                   :    Celo  Error   Pairs     W     D     L   (%)  CFS(%)
   1 Stockfish 241012 a512    :    3867     13    7500  6186  1179   135  90.3     100
   2 Stockfish 17 240906      :    3843   ----    7500  6059  1238   203  89.0     100
   3 Torch 3 popavx2          :    3701     13    7500  5076  1804   620  79.7     100
   4 Berserk 13 avx2          :    3502     12    7500  3274  2594  1632  60.9      99
   5 KomodoDragon 3.3 avx2    :    3491     12    7500  3090  2789  1621  59.8      95
   6 Obsidian 13.08 avx2      :    3484     12    7500  3050  2747  1703  59.0     100
   7 Caissa 1.20 avx2         :    3388     12    7500  2144  2878  2478  47.8      86
   8 PlentyChess 2.1 avx2     :    3383     12    7500  2027  3027  2446  47.2      63
   9 Ethereal 14.38 avx2      :    3381     13    7500  2073  2909  2518  47.0     100
  10 RubiChess 240817 avx2    :    3355     12    7500  1843  2894  2763  43.9     100
  11 Alexandria 7.0 avx2      :    3314     12    7500  1477  2901  3122  39.0     100
  12 Clover 8.0 avx2          :    3286     12    7500  1254  2847  3399  35.7     100
  13 Viridithas 14.0 avx2     :    3232     12    7500   941  2553  4006  29.6     100
  14 Lizard 11.0 avx2         :    3184     13    7500   645  2399  4456  24.6      86
  15 Motor 0.70 avx2          :    3179     13    7500   613  2386  4501  24.1     100
  16 Titan 1.1 avx2           :    3161     13    7500   522  2307  4671  22.3     ---

 

------------------------------------------------------------------- 
--- Number of all Gamepairs          : 60000 
--- Number of drawn Gamepairs overall: 19726 (= 32.88%) 
--- Number of 1:1 drawn Gamepairs    : 9049  (= 15.08%) 
--- Number of 2-draws drawn Gamepairs: 10677 (= 17.79%) 
------------------------------------------------------------------- 


Aborted testruns, because the tested engine was too weak to enter the UHO-Top15 Ratinglist:

Minic 3.41, Booot 7.3, Black Marlin 9.0, Equisetum 1.0, Stormphrax 5


Below you find a diagram of the progress of Stockfish in my tests since February 2023

And below that diagram, the older diagrams.

 

You can save the diagrams on your PC with mouseclick (right button) and then choose "save image"...







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