Chessboard Problems Last Updated : 24 Jan, 2024 Improve Improve Like Article Like Save Share Report Chessboard problems are defined as a class of puzzles that involve solving a problem based on a chessboard. These problems typically require participants to place or move chess pieces on the board following specific rules or constraints to achieve a particular objective. Chessboard problems are often used as a fun and intellectually stimulating way to improve problem-solving skills, logical thinking, and algorithmic understanding. Examples of chessboard problems include the Knight’s Tour and N-Queens problems, as mentioned earlier. Other types of chessboard problems may involve tasks like finding the shortest path for a chess piece to move from one square to another, determining if a specific square is reachable from another square by a particular chess piece, or even designing algorithms for chess-playing AI agents. These problems are not only enjoyable challenges in themselves but also serve as a practical way to apply various programming techniques and data structures to solve complex puzzles. As a result, chessboard problems are popular in competitive programming, as they test participants’ ability to think critically, devise efficient algorithms, and handle complex board-based scenarios. Note: Follow the given link to know more about Chessboard and its Rules Popular Chessboard problems: Here are some of the popular chessboard problems you should try Basic Chessboard Problems: Check if the given chessboard is valid or not Count Knights that can attack a given pawn in an N * N board Check if a Rook can reach the given destination in a single move Trap the King by one of the given Set of pieces Chessboard Problems based on Brute force: Check if any King is unsafe on the Chessboard or not Check if a king can move a valid move or not when N nights are there in a modified chessboard Number of cells a queen can move with obstacles on the chessboard Check if a Queen can attack a given cell on chessboard Find all the queens attacking king in a chess board Maximum cells attacked by rook or bishop in given chessboard. Count of rooks that can attack each other out of K rooks placed on a N*N chessboard Chessboard Problems based on Mathematics: Count of all possible ways to reach a target by a Knight Number of ways to place 2 Queen in a N x N chessboard Count the total number of squares that can be visited by Bishop in one move Total position where king can reach on a chessboard in exactly M moves Expected number of moves to reach the end of the board Count ways to place Knights moving in L shape in chessboard Chessboard Problems based on Recursion and Backtracking: N Queen Problem 4 Queen Problem Printing Solution of N Queen Problem The Knights Tour Problem Count all possible position that can be reached by Modified Knight Minimum queens required to cover all the squares of a chess board Count all possible visited cells of a knight after N moves 8 Queen Problem Chessboard Problems based on Greedy: Minimum swaps to build valid chess board Chessboard Pawn-Pawn game Find position of non-attacking Rooks in lexicographic order that can be placed on N*N chessboard Maximum non-attacking Knights that can be placed on an N*M Chessboard Maximum bishops that can be placed on N*N chessboard Minimum Cuts can be made in the Chessboard such that it is not divided into 2 parts Chessboard Problems based on BFS and DFS: Knight Tour for maximum points Number of blocks in a chessboard a knight can move to in exactly k moves Minimum steps to reach target by a Knight | Set 2 Chessboard Problems based on Dynamic Programming: Minimum steps to reach target by a Knight | Set 2 Ways to place K bishops on an N×N chessboard so that no two attack Count of distinct Numbers that can be formed by chess knight in N moves on a mobile keypad Chessboard Problems based on Branch and Bound: N Queen using Branch and Bound Chessboard Problems based on Hill climb with random neighbour: N Queen Problem using hill climb with random neighbour method Chessboard Problems based on Segment Tree: Range and Update Query for Chessboard Pieces Chessboard Problems based on Warnsdorff’s Algorithm: Warnsdorff’s algorithm for Knight’s tour problem Like Article Suggest improvement Next Save from Bishop in chessboard Share your thoughts in the comments Add Your Comment Please Login to comment...