AuthorHans
Creation1755937196
Sourcehttps://github.com/hansbinderup/meltdown-chess-engine
Sha4a6e21a81876a61254a91426c2843d5aded1cb83
Branchhans/spsa-23-08-2025
Bench978488
Network
OptionsThreads=1 Hash=32
Time30.0+0.30
Opening BookUHO_Lichess_4852_v1.epd
Upload PGNsFALSE
Syzygy WDLDISABLED
Syzygy ADJ.OPTIONAL
Win ADJ.movecount=3 score=400
Draw ADJ.movenumber=40 movecount=8 score=10
ScalingDEV 1100000 NPS
Alpha0.602
Gamma0.101
A-Ratio0.1
ReportingBATCHED
DistributionSINGLE
Pairs Per Point8

hans/spsa-23-08-2025 vs hans/spsa-23-08-2025

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Tuning 41 Parameters
25000/25000 Iterations
400002/400000 Games Played
NameCurrStartMinMaxCC_endRR_end
fullDepthMove2.346621121.00001.00000.00200.0020
rfpReductionLimit11.213580121.00001.00000.00200.0020
rfpMargin92.255983015010.000010.00000.00200.0020
rfpEvaluationMargin44.593758015010.000010.00000.00200.0020
razorReductionLimit2.339220121.00001.00000.00200.0020
razorMarginShallow103.2968120025010.000010.00000.00200.0020
razorMarginDeep186.6677187025010.000010.00000.00200.0020
razorDeepReductionLimit1.800950121.00001.00000.00200.0020
efpBase77.047271020010.000010.00000.00200.0020
efpImproving116.7491112020010.000010.00000.00200.0020
efpMargin55.755874020010.000010.00000.00200.0020
efpDepthLimit8.381370121.00001.00000.00200.0020
nmpBaseMargin-82.6426-98-200010.000010.00000.00200.0020
nmpMarginFactor19.10932401005.00005.00000.00200.0020
nmpReductionBase5.651651121.00001.00000.00200.0020
nmpReductionFactor3.893141121.00001.00000.00200.0020
iirDepthLimit2.149732121.00001.00000.00200.0020
lmpDepthLimit9.9669101151.00001.00000.00200.0020
lmpBase11.2703100151.00001.00000.00200.0020
lmpMargin1.965731101.00001.00000.00200.0020
lmpImproving1.87512051.00001.00000.00200.0020
seeQuietMargin63.749466020010.000010.00000.00200.0020
seeNoisyMargin23.50812701005.00005.00000.00200.0020
seeDepthLimit9.5846110151.00001.00000.00200.0020
aspirationWindow72.678161101005.00005.00000.00200.0020
pawnCorrectionWeight341.263227110050024.999925.00000.00200.0020
materialCorrectionWeight548.0483781500150049.999850.00000.00200.0020
threatCorrectionWeight545.0554545250100024.999925.00000.00200.0020
timeManIncFrac105.26799811505.00005.00000.00200.0020
timeManBaseFrac47.28574511505.00005.00000.00200.0020
timeManLimitFrac77.63498011505.00005.00000.00200.0020
timeManSoftFrac56.08485411505.00005.00000.00200.0020
timeManHardFrac436.073033810050019.999920.00000.00200.0020
timeManNodeFracBase146.2969150120010.000010.00000.00200.0020
timeManNodeFracMultiplier169.4940188120010.000010.00000.00200.0020
timeManScoreMargin9.014291201.00001.00000.00200.0020
seePawnValue110.0029111502005.00005.00000.00200.0020
seeKnightValue292.083230120050010.000010.00000.00200.0020
seeBishopValue305.881029820050010.000010.00000.00200.0020
seeRookValue508.687450835075010.000010.00000.00200.0020
seeQueenValue862.3641866750115010.000010.00000.00200.0020
#UserUpdatedGamesWonLostDrawnTimeCrash
5Qlara175802817916415646349462877152000
4Hans1758028141235846660756597310379800