ChessAI: can't keep track of King
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 42/100
Research direction
Start at chess/ChessBoard.java:108, where the ClassCastException occurs, then trace the move through common/Board.java and common/TreeNode.java. Run common.GameAIMain to reproduce the failure and inspect how pieceFromTo handles the moving piece. Done means the AI simulation completes without this cast failure and the king remains trackable.
Written by the indexing model from the issue text.
Description
Exception in thread "main" java.lang.ClassCastException: chess.Knight cannot be cast to chess.King
at chess.ChessBoard.pieceFromTo(ChessBoard.java:108)
at common.Board.movePiece(Board.java:303)
at common.Board.movePiece(Board.java:286)
at common.Board.movePiece(Board.java:367)
at common.TreeNode.simulate(TreeNode.java:168)
at common.TreeNode.selectAction(TreeNode.java:90)
at common.GameAIMain.main(GameAIMain.java:20)
- Dominant language
- Java
- Stars
- 0
- Forks
- 1
- PR merge metrics
- No merged PRs in 30d
Getting set up
This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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