Aku Chess Engine - UCI chess engine
Author: Hoa T. Vu (Hoavu-cs) Rating Chess Engines Diary CEDR=3181
v.2025.7.9:
The new time management is depth-dependent so the play-strength might heavily depend on the hardware (need some future adjustment). Within soft deadline, continue searching until (depth >= 34 - phase / 2). On faster time control (< 15 mins), reduce 34 to 32. Todo: automatically formulate this based on time control.
Other changes:
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Results of NewAku vs OldAku (20+0.2, 1t, 64MB, UHO_Lichess_4852_v1.epd):
Elo: 22.74 +/- 11.72, nElo: 42.69 +/- 21.93
LOS: 99.99 %, DrawRatio: 52.90 %, PairsRatio: 1.67
Games: 964, Wins: 185, Losses: 122, Draws: 657, Points: 513.5 (53.27 %)
Ptnml(0-2): [6, 79, 255, 130, 12], WL/DD Ratio: 0.14
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How strong is the new version of the Aku 2015.6.29 chess engine?
The new version of the Aku 2015.6.29 chess engine has been released recently and has not been tested yet. Its playing strength will be known after the first test tournaments, results will be available on our website soon.
Aku 2025.6.12 vs other engines:
Emerald 0.3.0 | 2/2 | +2 | 2 games |
Maelstrom 2.1.0 | 2/2 | +2 | 2 games |
Freda 1.1 | 2/2 | +2 | 2 games |
Pzchessbot 2.0 | 2/2 | +2 | 2 games |
Kraken 2025-06-16 | 2/2 | +2 | 2 games |
Fridolin 4.00 JA | 2/2 | +2 | 2 games |
Libra-chess 1.0.1 | 2/2 | +2 | 2 games |
Ironfang 1.0 | 2/2 | +2 | 2 games |
Celeris 1.0 | 1/2 | +0 | 2 games |
Zangdar 4.04 | 0.5/2 | -1 | 2 games |
Zangdar 4.04 JA | 0.5/2 | -1 | 2 games |
Halogen 13 | 0.5/2 | -1 | 2 games |
Stormphrax 7.0.0 | 0/2 | -2 | 2 games |
Fire 10 | 0/2 | -2 | 2 games |
PlentyChess 6.0.5 JA | 0/2 | -2 | 2 games |
Lunar 0.2.1 | 0/2 | -2 | 2 games |
Fire 9.3 JA | 0/2 | -2 | 2 games |
In which chess program does the Aku 2015.6.29 engine work?
The engine started without problems in the following programs: Fritz 17 and Fritz 20, Aquarium, Arena, Banksia and Lucas chess.
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