Ceres Chess Engine

mehmet1921

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Ceres Chess Engine

Post by mehmet1921 »

Test by Moisonov ("Clementine"//Lc0 Discord)

Match: Lc0 26.3 and CERES vs Stockfish 201225 bmi2 (18T)
Time control: 120s + 2s
Hardware: RTX 3080, i9-10900kf
Openings: TCEC SuFi's 10-19 (500 pos.) with a few modifications.
Stockfish: threads=18, hash=2048
Lc0: cuda-fp16, nncache=10,000,000 ,threads=2, minibatch-size=204, mlh=on
mlh tcec-19: moves-left-max-effect=0.2, moves-left-threshold=0, moves-left-slope=0.004, moves-left-scaled-factor=1, moves-left-quadratic-factor=0, moves-left-constant-factor=0
TBs and adj.: syzygy 5-men, resign movecount=5 score=600, draw movenumber=30 movecount=5 score=5, time forfeit disabled (NO CERES losses on time)
Comment:Lc0 binary still on top here.
Comment: I put a time buffer of 9999ms on cutechess to avoid any Ceres time losses. I used @antpocas build and @masterkni666 lc0.dll files and uncompressed network. Bench results are here: https://discord.com/channels/425419482568196106/539960268982059008/794651553637072967
I can't say much on the games as I haven't check them yet. I'll post in #test-results when the 1000 games match will be over.
Comment: Sometime Ceres reports very low depth (but the node count is normal).
Games: https://gofile.io/d/YMxRfn
# PLAYER : RATING ERROR PLAYED (%) CFS W D L D(%)
1 stockfish-201225-18T : 0.0 ---- 645 51.63 55 75 516 54 80.00
2 lc0-263-66740 : -1.1 17.0 320 49.84 96 32 255 33 79.69
3 CERES-66740 : -22.0 16.3 325 46.92 --- 22 261 42 80.31

White advantage = 39.95 +/- 6.20
Draw rate (equal opponents) = 83.31 % +/- 1.71

Engine sec/move Depth MIDG EARLY ENDG LATE
CERES-66740 3.20 6.52 8.33 | 7.85 | 6.57 | 6.04
stockfish-201225-18T 3.25 41.52 34.95 | 36.03 | 44.62 | 56.24

Engine sec/move Depth MIDG EARLY ENDG LATE
lc0-263-66740 3.35 12.44 14.41 | 14.46 | 10.81 | 7.88
stockfish-201225-18T 3.31 40.64 34.93 | 33.85 | 43.51 | 57.83

https://gofile.io/d/YMxRfn

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