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@ChizhovVadim ChizhovVadim released this May 10, 2020 · 5 commits to master since this release

v3.5

time manager: spend more time
Assets 5

@ChizhovVadim ChizhovVadim released this Oct 19, 2019 · 13 commits to master since this release

v3.4

finish current version
Assets 5

@ChizhovVadim ChizhovVadim released this Jun 23, 2019 · 47 commits to master since this release

Changes

  • Lazy SMP
  • Time manager formula
  • Parameters for null move, LMR, futility, LMP
  • Trans table update rule
  • eval king pst (for better K+R VS K)
Assets 5

@ChizhovVadim ChizhovVadim released this Feb 12, 2019 · 64 commits to master since this release

  • All weights of evaluation function features tuned with Texel's Tuning Method (including piece material weights)
Assets 5

@ChizhovVadim ChizhovVadim released this Dec 10, 2018 · 76 commits to master since this release

  • IID removed
  • PVS implemented (was pure alphabeta)
  • Null move: added eval >= beta condition
  • futility: d <= 2 (was d <= 1)
  • futility, LMP skipped after null move
  • trans table: removed cluster, separate logic for writing existing or new position
  • time management: added time ratio, depends on drop score and best move changed
Assets 4

@ChizhovVadim ChizhovVadim released this Oct 22, 2018 · 90 commits to master since this release

Evaluation function changes

  • non linear material evaluation
  • Texel Tuning implemented
Assets 4

@ChizhovVadim ChizhovVadim released this Aug 1, 2018 · 94 commits to master since this release

  • move ordering: history table formula changed
  • move ordering: counter move added
  • search: LMR formula changed
  • search: LMP added
  • search: futility depth decreased
  • time management formula changed
Assets 4

@ChizhovVadim ChizhovVadim released this Jun 12, 2018 · 105 commits to master since this release

Tuning evaluation function: mobility, king safety, bishop-knight balance

Assets 4

@ChizhovVadim ChizhovVadim released this May 31, 2018 · 113 commits to master since this release

  • Evaluation function parameters calculated from little number (13) of constants (TODO auto tuning)
  • Futility pruning and delta pruning margins changed
  • (fix) time management formula
  • no uci commands: eval and move
  • GPL v3 license added
Assets 4

@ChizhovVadim ChizhovVadim released this Feb 21, 2018 · 145 commits to master since this release

Evaluation changes

  • passed pawns
  • mobility
  • threats
  • king attack

Search changes

  • reduction value in LMR
Assets 4
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