Should I use interfaces instead of the super class? Improve this question. SummerCode SummerCode 1 1 gold badge 9 9 silver badges 8 8 bronze badges. I did not found that. Add a comment. Active Oldest Votes. Piece makes legal move according to its own move rules. In addition to purely move-based rules, there's also capture logic, so a bishop cannot move from a1-h8 if there's a piece sitting on c3. If the player was previous under check and the move does not remove the check, it must be undone.
If player captures a piece, remove the piece including en passant! If the piece is a pawn reaching the back rank, promote it. If the move is a castling, set the new position of the rook accordingly. But a king and rook can only castle if they haven't moved, so you need to keep track of that. And if the king moves through a check to castle, that's disallowed, too. If the move results in a stalemate or checkmate, the game is over. So my general intuition would be to just call: Game.
CanBeCaptured - more fun logic here! Check if newSpot contains a piece and if so, newSpot. Remove ; Build some logic to call Piece. CheckEnPassant Piece is pawn, first move, 2 steps, past an enemy pawn who moved into capturing position on previous move - have fun with that! CheckPromote Piece is pawn, move ends on opposing player's back rank Check if Game. Improve this answer. Phrancis Kyle Hale Kyle Hale 5 5 silver badges 13 13 bronze badges. Outline your proposal. Get paid for your work.
It's free to sign up and bid on jobs. Sohail Hi There! SM8Siddu Hi, I have gone through your requirements. EilonCohen your project sounds interesting. Link Accounts.
I am a new user I am a returning user. Email address. Username Valid username. You can view the final AI algorithm here on GitHub. The move generation library basically implements all the rules of chess. Based on this, we can calculate all legal moves for a given board state. Using these libraries will help us focus only on the most interesting task: creating the algorithm that finds the best move. The simplest way to achieve this is to count the relative strength of the pieces on the board using the following table:.
This is done by using the Minimax algorithm. That is, we try to either minimize or maximize the outcome at each level. The effectiveness of the minimax algorithm is heavily based on the search depth we can achieve.
Alpha-beta pruning is an optimization method to the minimax algorithm that allows us to disregard some branches in the search tree. Use instead the logic like. Your problem is with getX and getY , they return the same value for each of your DrawRect so they will be drawn one above the other. You could use setBackground instead:.
However you still have a mistake in your loop logic, as you will see if you try the code i posted above. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Building a chess board in Java Ask Question. Asked 8 years, 1 month ago. Active 8 years, 1 month ago.
Viewed 6k times. Here is the code: import javax. BLACK ; else g. WHITE ; g. Improve this question. Lind Lind 1 1 gold badge 5 5 silver badges 14 14 bronze badges. Why can't you just call setBackground for the cells' JPanels?
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