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