fsmosca/chess-artist

📋 Changes

• In this release the exe file now supports the latest Stockfish 15 version.
• Readme from this release.

📦 Enhancements

• Add enginename option
• Examples:
• `--enginename "Stockfish 11 @i7-2600K"`
• `--enginename "Lc0 v0.23.2 w591000 10x128 blas"`
• Don't restart engine after every position is analyzed when creating puzzles from pgn and when solving positions from test suite.

🐛 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
• + 4 more

📦 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}
• + 2 more

📦 D. Files

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

📋 Major changes since v1.0.rc5

• Add --min-score-stop-analysis option
• Add --max-score-stop-analysis option

📦 Files

• chess-artist.exe
• stockfish 10 exe files under engine/stockfish/windows folder
• pgn files under pgn folder
• epd file under epd folder
• book.bin file (polyglot book format) under book folder
• run_chess_artist.bat, a batch file to run chess-artist to analyze games.

📦 Note

• This is the last version that supports Python 2.7.

📋 Major changes since v1.0.rc2

• Add --playerandopp option
• To analyze moves on games of Magnus including moves from his opponent:
• `chess-artist.exe --infile iommast19.pgn --outfile magnus.pgn --enginefile stockfish.exe --movetime 5000 --engineoptions "Hash value 128, Threads value 1" --playerandopp "Carlsen, Magnus"`
• Don't add a NAG (?, ?!) etc to a game move if there is a book move and movetime is below 20s
• Add --loss flag
• To analyze moves on lost games of Movsesian, Sergei including moves from his opponent:
• `chess-artist.exe --infile iommast19.pgn --outfile ms_loses.pgn --enginefile stockfish.exe --engineoptions "Hash value 128, Threads value 2" --movetime 5000 --playerandopp "Movsesian, Sergei" --loss`

📋 A. Major changes since v0.2.0

• am opcode in epd suite is now considered for engine epd test
• Add polyglot book support
• Add move comment "with a better passed pawn"
• Add comment on king safety
• Add depth option for epd analysis
• Refactor sending of commands and receiving of replies from engine
• Remove support for cerebellum book type
• Remove rating difference calculation
• + 11 more

📦 B. File

• chess-artist.zip
• Contains chess-artist.exe

📦 C. Help

• ```
• usage: Chess Artist v1.0.rc2 [-h] -i INFILE -o OUTFILE -e ENGINEFILE
• [-n ENGINEOPTIONS] [--bookfile BOOKFILE] --eval
• {static,search} [--movetime MOVETIME]
• [--depth DEPTH] [--movestart MOVESTART]
• [--moveend MOVEEND] [--log] --job
• {analyze,test,createpuzzle} [--wordycomment]
• [--player PLAYER] [--color COLOR]
• + 39 more

📦 D. Readme

• https://github.com/fsmosca/chess-artist/blob/master/README.md

📋 Changes

• Tune annotation symbols based on analysis time.
• Reduce position complexity number when center is closed.
• Remove annotator name after a variation line, the annotator tag in the tag section of the game is enough to determine the annotator.
• Calculate threat move when position is not easy, this threat move is added as move comment in the notation.