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



New version chess engine: Rudim 1.4 JA (Windows and Linux)

 


Rudim - Iterative Deepening & .NET 9

v.1.4.1:
Tournament Results @ 5+0, 1000 games (v1.4 vs v1.3) - Appx. 10 - 30 ELO gain

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Elo: 11.82 +/- 15.79, nElo: 16.14 +/- 21.53
LOS: 92.91 %, DrawRatio: 36.80 %, PairsRatio: 1.16
Games: 1000, Wins: 301, Losses: 267, Draws: 432, Points: 517.0 (51.70 %)
Ptnml(0-2): [32, 114, 184, 128, 42], WL/DD Ratio: 0.94
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Major Changes

Threefold Check to avoid drawing in winning positions
Fifty Move Rule Check to avoid drawing in winning positions
History heuristic added for alpha-update nodes
Transposition Table added (Current Fixed Size : 65536)
Minor Changes & Non-Solution Changes

Perft moved to program instead of test, allowing the binary to Perft
Minor optimizations to calculations, object allocation, array sizes etc.
Coverage Check added to pipeline, tests added for multiple scenarios to bring up coverage to ~85%
Pipeline runs 5+0.1 for 200 games tournament instead now. Better approximation of rating change with more games
Cleanup methods are now combined into Global.Reset() for easier resetting of state
What's Changed
optz: don't store moves by @znxftw in #30
optz: default to 32 move list size for less resizing by @znxftw in #31
feat: avoid threefold if eval > 0 by @znxftw in #32
add step for coverage reports by @znxftw in #39
Move perft to program by @Sanjanarajbk in #41
build(deps): bump xunit.runner.visualstudio from 2.8.2 to 3.0.0 by @dependabot in #42
add history heuristic by @znxftw in #43
feat: add transposition tables by @znxftw in #44
fix: cleanup after RandomTest by @znxftw in #45

Jim Ablett compiles


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