8000 Adjust late move reduction based on continuation history by brunocodutra · Pull Request #806 · brunocodutra/cinder · GitHub
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Adjust late move reduction based on continuation history #806

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Merged
merged 1 commit into from
Jun 22, 2025
Merged

Adjust late move reduction based on continuation history #806

merged 1 commit into from
Jun 22, 2025

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fastchess -sprt elo0=0 elo1=3 alpha=0.05 beta=0.10 -games 2 -rounds 400000 -openings file=engines/openings/UHO_Lichess_4852_v1.epd order=random -tb /mnt/trunk/syzygy/ -draw movenumber=40 movecount=8 score=10 -concurrency 12 -use-affinity -recover -engine name=dev cmd=engines/dev -engine name=base cmd=engines/base -each tc=1+0.01

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Results of dev vs base (1+0.01, 1t, 16MB, UHO_Lichess_4852_v1.epd):
Elo: 5.04 +/- 3.14, nElo: 8.43 +/- 5.24
LOS: 99.92 %, DrawRatio: 45.46 %, PairsRatio: 1.10
Games: 16882, Wins: 4544, Losses: 4299, Draws: 8039, Points: 8563.5 (50.73 %)
Ptnml(0-2): [231, 1959, 3837, 2162, 252], WL/DD Ratio: 0.96
LLR: 2.90 (100.4%) (-2.25, 2.89) [0.00, 3.00]
--------------------------------------------------

@brunocodutra
adjust late move reduction based on continuation history
d3a0122 
--------------------------------------------------
Results of dev vs base (1+0.01, 1t, 16MB, UHO_Lichess_4852_v1.epd):
Elo: 5.04 +/- 3.14, nElo: 8.43 +/- 5.24
B35B

LOS: 99.92 %, DrawRatio: 45.46 %, PairsRatio: 1.10
Games: 16882, Wins: 4544, Losses: 4299, Draws: 8039, Points: 8563.5 (50.73 %)
Ptnml(0-2): [231, 1959, 3837, 2162, 252], WL/DD Ratio: 0.96
LLR: 2.90 (100.4%) (-2.25, 2.89) [0.00, 3.00]
--------------------------------------------------
@brunocodutra brunocodutra enabled auto-merge (rebase) June 22, 2025 17:44
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codecov bot commented Jun 22, 2025 •
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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.52%. Comparing base (13dd2a5) to head (d3a0122).
Report is 1 commits behind head on master.

Additional details and impacted files 
@@            Coverage Diff             @@
##           master     #806      +/-   ##
==========================================
+ Coverage   84.45%   84.52%   +0.06%     
==========================================
  Files          56       56              
  Lines        4625     4626       +1     
==========================================
+ Hits         3906     3910       +4     
+ Misses        719      716       -3

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@brunocodutra brunocodutra merged commit 1c7d95a into master Jun 22, 2025
30 of 31 checks passed
@brunocodutra brunocodutra deleted the lmr branch June 22, 2025 18:39
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