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Polaris

Posted: Mon Jun 26, 2023 1:26 am
by FritzUser
Polaris 1.8.0
  • fixed an incredibly stupid bug regarding transposition table cutoffs
  • the SPRT for this gained 69 elo :)
  • fixed mate scores
  • both from scores stored in the ttable, and from the off-by-one ply counter
  • simplified eval slightly
  • improved LMR
  • added capture history
  • added time management based on the percentage of nodes spent searching the best move
  • started always generating underpromotions to bishops and rooks, and removed the corresponding UCI option
  • added Syzygy probing support via Fathom
  • various speedups and refactors
+140 Elo STC, +115 Elo LTC

https://github.com/Ciekce/Polaris/releases/tag/v1.8.0