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============================== My email: jotes@go2.pl

Minke 7.0.0 - new version chess engine

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Minke - UCI chess engine
Author: Eduardo Marinho

Working in progress UCI compatible chess engine done in order to learn and to get fun. Based on NNUE evaluation, Bitboard board representation and a lot of search enhancements.

Minke 7.0.0 what's new?

Highlights
New NNUE architecture: Introduced king input buckets, output buckets, multi-layer topology (#136) and dual-activation (#148). Arch: (768x16hm->1280pw)x2->(16x2->32->1)x8
New training data: Network trained purely on self-play data generated from a random initialization (#102)
Improved time management: better and tuned time allocation strategy (#159, #161), with pv stability (#160), score stability (#163) and node scaling adjustment (#158)
Better Search: A lot done, hard to enumerate. See Full Changelog for details
Full Changelog: v6.0.0...v7.0.0

Results against Minke 6.0.0
STC
Elo   | 201.15 +- 14.46 (95%)
Conf  | 8.0+0.08s Threads=1 Hash=32MB
Games | N: 1004 W: 583 L: 59 D: 362
Penta | [0, 6, 86, 290, 120]

LTC
Elo   | 183.98 +- 11.33 (95%)
Conf  | 40.0+0.40s Threads=1 Hash=128MB
Games | N: 1002 W: 530 L: 44 D: 428
Penta | [0, 2, 80, 350, 69]

More tests
Against PZChessBot v7.1
LTC
Elo   | 5.91 +- 11.20 (95%)
Conf  | 40.0+0.40s Threads=1 Hash=128MB
Games | N: 1000 W: 265 L: 248 D: 487
Penta | [3, 114, 249, 131, 3]

SMP (4CPU) STC
Elo   | 41.54 +- 11.10 (95%)
Conf  | 8.0+0.08s Threads=4 Hash=256MB
Games | N: 1000 W: 297 L: 178 D: 525
Penta | [0, 77, 232, 186, 5]
https://eduardomarinho.dev/test/916/

Against Raphael v4.1.0
LTC
Elo   | 2.78 +- 10.75 (95%)
Conf  | 40.0+0.40s Threads=1 Hash=128MB
Games | N: 1000 W: 251 L: 243 D: 506
Penta | [2, 114, 258, 126, 0]

SMP (4CPU) STC
Elo   | 3.47 +- 10.67 (95%)
Conf  | 8.0+0.08s Threads=4 Hash=256MB
Games | N: 1000 W: 239 L: 229 D: 532
Penta | [4, 104, 271, 120, 1]

Opening book used for testing was UHO_Lichess_4852_v1.epd

Acknowledgements
I am very grateful to the chess engine community, especially the Alpha-Beta and Stockfish discord servers. Without the people in the community, Minke would be nowhere near what it is today! Thank you for all the support, ideas, and help!




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