Issues

• A FEN with an impossible en passant square makes moves() and fen() add a pawn to the board

  jhlywa/chess.js#591 · Filter by author AlexAustralia opened on Oct 31, 2026
  2

• chess

  jhlywa/chess.js#590 · Filter by author ife9l opened on Oct 27, 2026

• PGNs comments bug

  jhlywa/chess.js#588 · Filter by author DomHudson opened on Oct 20, 2026
  1

• Illegal moves

  jhlywa/chess.js#586 · Filter by author ramesh9686 opened on Sep 22, 2026

• No option for finding moves while ignoring checks

  jhlywa/chess.js#580 · Filter by author N-Schaap opened on Feb 28, 2026

• Absence of lan field when verbose set to true

  jhlywa/chess.js#579 · Filter by author theduffster opened on Feb 15, 2026
  2

• BigInt error when generating moves for pawns on edge ranks

  jhlywa/chess.js#577 · Filter by author some1else opened on Jan 17, 2026
  3

• forceEnpassantSquare option doesn't work because _epSquare is set to EMPTY for two-square pawn moves without adjacent enemy pawns

  jhlywa/chess.js#574 · Filter by author tristen-hannah opened on Nov 19, 2025
  1

• Castling

  Type: enhancement
  jhlywa/chess.js#564 · Filter by author pierremarc opened on Sep 26, 2025
  3

• Missing invalid case in validateFen

  jhlywa/chess.js#558 · Filter by author YusungAN opened on Sep 13, 2025
  1

• Return null for invalid moves instead of throwing an error, move()

  jhlywa/chess.js#556 · Filter by author lucaspessivaldo opened on Sep 10, 2025
  2

• Counting attackers, bearing in mind batteries

  jhlywa/chess.js#542 · Filter by author neilgd opened on Jun 28, 2025
  4

• RFC: Recursive Annotation Variations (RAV)

  jhlywa/chess.js#522 · Filter by author neofight78 opened on May 25, 2025
  4

• feature: color resign

  jhlywa/chess.js#492 · Filter by author jgresham opened on Feb 25, 2025
  3

• Better move timestamp support

  jhlywa/chess.js#491 · Filter by author jgresham opened on Feb 25, 2025
  1

• Perf Tests for 960 Variant

  jhlywa/chess.js#488 · Filter by author sowson opened on Feb 18, 2025
  2

• How to get the from and to square from SAN?

  jhlywa/chess.js#462 · Filter by author ahofmeister opened on May 31, 2024
  2

• Short pawn moves like 'ab', 'de' etc.

  jhlywa/chess.js#450 · Filter by author kedochess opened on Mar 17, 2024

• How to make illigal moves using chess.js?

  jhlywa/chess.js#434 · Filter by author eliyahu119 opened on Aug 23, 2023
  6

• Move Error Type

  jhlywa/chess.js#428 · Filter by author LandonSchropp opened on Jul 23, 2023

• [Feature Request] Expose 'legal: false' option to public API moves() and move() function

  jhlywa/chess.js#425 · Filter by author dhirallin opened on Jul 12, 2023

• [FEATURE REQUEST] Get information of pinned pieces

  jhlywa/chess.js#359 · Filter by author geraldopp opened on Dec 16, 2022

• .delete_comments() and delete Nag Codes as well as Option Convert them and keep them

  jhlywa/chess.js#352 · Filter by author santafiora opened on Nov 14, 2022

• Feature request: Store list of captured pieces for easy access

  jhlywa/chess.js#291 · Filter by author kurtjd opened on Aug 17, 2021
  1

• Feature request: get a list of premoves

  Type: enhancement
  jhlywa/chess.js#287 · Filter by author alexobviously opened on Jul 16, 2021
  6