Stockfish 2024051514 NNUE for Windows and Linux, interesting compilation by Geschwentner (Elo +3.81)

Stockfish 2024051514 - UCI chess engine, compiled by Geschwentner

Rating CEDR=3761

Stockfish 2024051514 Geschwentner (all versions) download

Timestamp: 1715782814

Reduce more when improving and ttvalue is lower than alpha

More reduction if position is improving but value from TT doesn't exceeds alpha but the tt move is excluded.

This idea is based on following LMR condition tuning

https://tests.stockfishchess.org/tests/view/66423a1bf9f4e8fc783cba37

by using only three of the four largest terms P[3], P[18] and P[12].

Passed STC:

LLR: 2.93 (-2.94,2.94) <0.00,2.00>

Total: 27840 W: 7309 L: 7004 D: 13527 Elo +3.81

Ptnml(0-2): 85, 3219, 7018, 3502, 96

https://tests.stockfishchess.org/tests/view/6643dc1cbc537f56194508ba

Passed LTC:

LLR: 2.95 (-2.94,2.94) <0.50,2.50>

Total: 191280 W: 48656 L: 48020 D: 94604 Elo +1.16

Ptnml(0-2): 78, 20979, 52903, 21589, 91

https://tests.stockfishchess.org/tests/view/6643e543bc537f5619451683

closes https://github.com/official-stockfish/Stockfish/pull/5245

Bench: 1430835

Stockfish 20240210 - results: