v2.9

A. Bug fixes

• Wait for readyok from uci engine after sending isready.
• Fix parsing of results when sending eval command to Stockfish engine.

B. New Features

• Only supports python 3.
• Add --draw flag to only analyze games with draw results.
• Can analyze Fischer Random Chess games.
  • Sample game header tags
    • [Variant "chess 960"], from weekinchess
    • [Variant "fischerandom"], from winboard/xboard
    • [Variant "Chess960"], from Lichess and Chess.com
  • GUI that can view FRC (Fischer Random Chess) games
    • Winboard/Xboard
      • http://www.open-aurec.com/wbforum/viewtopic.php?t=51528
    • Lichess
      • https://lichess.org/analysis/chess960

C. Improvements

• Modify writing of pgn output when there is threat move.
• Don't write empty comment as in { } in pgn output comments.
• Improve logging when calculating piece mobility.
• Improve comment before the first move in the analyzed game. Analysis time and move score are easier to interpret.
  • Example

    {Hash 256mb, Threads 2, analysis 15.0s per position, move score is in pawn unit,
    positive is good for white and negative is good for black}
    1. Nb3 $6 {-0.16} (1. c3 {+0.80})
    

D. Files

• The chess-artist.exe file inside chess-artist_v2.9.zip is only tested under windows 10.