Interesting compiled by Stefan Geschwentner
Maintain best move counter at the root and allow there only moves which has a counter of zero for Late Move Reduction. For compensation only the first three moves are excluded from Late Move Reduction per default instead the first four moves.
What we can further do:
- here we use a simple counting scheme but perhaps some aging to fade out early iterations
could be helpful
- use the best move counter also at inner nodes for LMR and/or pruning
STC:
LLR: 2.95 (-2.94,2.94) [0.50,4.50]
Total: 17414 W: 3984 L: 3733 D: 9697 Elo +5.01
LTC:
LLR: 2.96 (-2.94,2.94) [0.00,3.50]
Total: 38058 W: 6448 L: 6166 D: 25444 Elo +2.57
Rating JCER=3400
Stockfish 19082608 - download from the site
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