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@bdmendes bdmendes released this 02 May 08:12
· 30 commits to master since this release
v1.5.1
d8de9f0
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Learn about vigilant mode.

This patch fixes the handling of negative remaining times, which is necessary for GUIs such as CuteChess (thank you, @tissatussa, for the report). It also includes minor search optimizations.

Changelog

  • Parse negative remaining times as zero
  • Don't probe the transposition table just before dropping into quiescence search
  • Don't search for longer mates if we've already found one (mate distance pruning)
  • Clear killer moves when starting new searches
  • Store killer moves by ply instead of depth

Estimated Strength

  • Against v1.5.0 [hash=64; threads=1]: 🆗 Elo difference: 15.65 +/- 22.22

Contributors

tissatussa
Assets 4
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