Questions tagged [chess]

A puzzle related to chess, a two-player board game with white and black pieces of varying ranks.

Filter by
Sorted by
Tagged with
4
votes
1answer
189 views

Kings' Chess Harem

Pursueing these two related puzzles, Chess Bloodshed and Devouring Nobility I create for you Kings' Chess Harem where you have to find, with the minimum number of moves, a legal game where all pawns ...
10
votes
2answers
1k views

Chess Bloodshed

This puzzle is the idea of Dmitry Kamenetsky in a comment of my puzzle Devouring Nobility. Find, with the minimum number of moves, a legal game where all pieces are captured except the two kings.
8
votes
2answers
511 views

Devouring Nobility

Provide, with the minimum number of moves, a legal chess game where all pieces are captured except the sixteen pawns and the two kings. Example of final configuration: Which is done in 21 moves: 1. ...
2
votes
3answers
435 views

Trapping fairy chess pieces

This puzzle is based on this wonderful puzzle. A fairy chess piece is placed on an infinitely large chess board with no edges. It can only visit each square once. What is the smallest number of moves ...
-4
votes
1answer
105 views

Check and mate positions

Is there a position where your opponent puts you in check, but in your turn you deliver checkmate by getting out of check? Don't forget to add your list of moves on how to get into the position. BONUS:...
3
votes
1answer
188 views

Create the freest arrangement of white chess pieces on board by consequently moving your pieces

You start with this board. You're the White. Freedom Index of initial arrangment of your chess pieces is equal to 20 (each pawn has two moves, each knight has two moves) Your goal is to have as much ...
5
votes
3answers
195 views

Swapping 6 queens in a 4x4 grid

What is the least number of moves required to swap black and white queens? Queens move using standard chess rules - any number of empty cells vertically, horizontally or diagonally in a straight line. ...
10
votes
1answer
733 views

Swapping 3 rooks in a 3x3 grid

This puzzle was inspired by this one: Swapping rooks in a 4x4 board What is the least number of moves required to swap black and white rooks? Rooks move using standard chess rules - any number of ...
10
votes
1answer
308 views

No Numbers Sudoku: The Ball of Queens

Those are all of the numbers you need. No, I did not forget any. Normal sudoku rules apply. All numbers, except for 1's and 9's, are queens with respect to themselves. E.g. 2's have the queen's ...
2
votes
0answers
114 views

Center board puzzle

The white pieces in the above position should maneuver themselves into the flipped starting position (i.e. king in e3). All pieces makes regular moves within the 4x4 center squares. By removing a pawn ...
12
votes
1answer
1k views

Chess Puns Don't Get Much Worse Than This

(1) How should the game end with best play on both sides? (2) Use the clue to complete the bad pun!
10
votes
1answer
460 views

Playing with a chess cipher

Alice and Bob both love encryption, and Alice loves to play chess. Unfortunately, Bob isn't very good at chess, so he doesn't think it's very fair to have to play the game for real. So instead of ...
4
votes
0answers
305 views

A weird chess game

Hello everyone, and welcome back to one really crazy game that was played during the lunch break within a dutch prison. It's an inmate with the white pieces against ...
4
votes
1answer
127 views

A interesting and a bold chess puzzle

Here is a chess puzzle I have made . It needed a lot of thinking . If you are white , how would you play in this position ? State your best moves !! Please don't use Stockfish or Alphazero or any ...
8
votes
4answers
1k views

Chess-related puzzle

I'm working on a problem for this cyber security camp, and we're doing a CTF right now. I have one problem left, and I'm almost certain it relates to chess, so I've come here for advice! Having ...
4
votes
2answers
217 views

Can you find the key move?

I've created this chess problem for today. it's White to move and their pawns move upward. Can you find the key move? Have fun, and no computers are allowed! Checkmate In 5 Moves
9
votes
1answer
366 views

Mini 8 queens puzzle

On a 5x5 chessboard, place 5 black queens and 3 whites queens so that no queens are attacking those who are of different color. Furthermore, the numbers indicate how many queens are attacking the ...
8
votes
2answers
279 views

An Enigmatic Game

I have a fun-ky puzzle for everyone today. Here is the position. FEN-rnbq1rkb/ppp1pp2/5p2/8/8/4K3/PPPPNP1P/RNBQ1R2 It can be reached in one way in exactly 9.5 moves, or 10 White and 9 Black moves. ...
23
votes
1answer
952 views

Three part chess problem

Three separate puzzles: ...
7
votes
3answers
330 views

Knight Battle: The Face-off

Knight Puzzle Imagine a chessboard like this: You are the white knight and can move as a knight does in chess. Example: Your goal is to visit every square on the board using legal chess knight moves ...
1
vote
3answers
321 views

Class Chess Tournament

A class of 36 students are expecting to play in the chess tournament held by Math Department. When the schoolmaster arrived he said "Lets start the games but first we must setup all the chess ...
5
votes
1answer
322 views

The Fastest Clean Draw

Playing with regular moves, the position above should result in a draw without repeating an exact position three times. By Helpmate or in this case a Helpdraw, players cooperate to end this game in a ...
4
votes
1answer
133 views

Kings on a chessboard

Let $n$ be a positive integer. You are given $4n^2$ kings and a $4n\times4n$ chessboard. You have to place the kings on the chessboard such that each row and column contains exactly $n$ kings, and no ...
9
votes
2answers
226 views

A knight chased by four knights

This is a follow up to A knight chased by three knights Two players are playing a variant of chess on a 11x11 grid. The first player controls a white knight that starts in the centre square. The ...
11
votes
3answers
733 views

A knight chased by three knights

Two players are playing a variant of chess on a 8x8 grid. The first player controls a white knight that starts in the top-left corner. The second player controls three black knights that start in the ...
5
votes
2answers
236 views

Twice Up On Top

Here is a chess problem I've made that has an illegal position. The board is from White’s view and White’s d1 pawn moves normally. Have fun! White moves and mates in 19 moves
3
votes
2answers
181 views

Black War Heroes or Whites Save the Queens?

After Black Cavalry successfully captured White princesses, White empire learns their Black opponent is hungry for more and wants White Twin Queens dead! White will never let such a disaster happen ...
9
votes
2answers
224 views

Black Cavalry Fork Attack

On this chess optimization puzzle, there are only black knights and white queens. Your aim is that no black knight is threatened and to maximize the total number of queens the knights could capture. ...
5
votes
2answers
157 views

Who shall be the winner?

There are two questions to answer here: Who will win this game of chess? What were the last 96 individual moves (ply) by both sides? The solution is unique. Gyula Breyer The Chess Amateur 1922, ...
8
votes
4answers
1k views

What was the last move made in this game?

What was white's last move in the game shown below? Note: This is a screenshot taken from an actual game and all moves made were legal. ETA: The last move played by white was the last move of the ...
-12
votes
1answer
152 views

N-1 queen on the chessboard

You are trying to solve the famous N queens problem. You broke one of the queens from your chess pieces collections. Now, you have created the following puzzle: You are given an N*N chessboard. Is ...
18
votes
4answers
833 views

Knights in a Complete Sudoku Board

In a complete Sudoku board, at most how many chess knights would it be possible to place on its cells with a 1 inside, so that each knight can walk in order (1, 2, 3, ..., 9) through cells numbered up ...
6
votes
1answer
338 views

Whites capture whites and Blacks capture blacks

This is my first Chess Puzzle! Let suppose you start a Chess game. Whites' aim will be to place all their alive pieces on white squares in a minimum of moves and black will do the same, but with ...
5
votes
1answer
648 views

100 moves for a rook in a two by two board

A rook is in a corner of a two by two board and wants to get to the opposite corner in 100 moves. In how many ways can the rook perform this? Note: The rook may go through the opposite corner before ...
7
votes
2answers
526 views

The Russian machine has a flaw

The year is 1969. You, Robert James Fischer, are invited in a secret Russian basement to 'play a chess game against a strong opponent'. When you finally meet your opponent, a Russian bald guy who is ...
8
votes
3answers
999 views

Uncommon underpromotion motive

Find 2 chess positions in which the only move is a promotion to a knight, or bishop (1 position for each piece). However the goal of the underpromotion must NOT be one of the following : Preventing ...
4
votes
1answer
111 views

Maximum number of legal moves after n moves in a chess game [closed]

Given the chess start position : What is the maximum number of legal moves white can play after $n$ full moves? We will assume black is helping white in this task. I want the best answer you could ...
7
votes
1answer
187 views

What is the minimum-value piece combination necessary to checkmate in this game of Crazyhouse?

Imagine you're playing a game of crazyhouse, which operates like standard chess, except that you have a pocket of captured pieces that you can drop on the board in any legal location as your move. ...
12
votes
3answers
229 views

The Chess Moments

The chessboard was well balanced on the mid horizontal by some fulcrum. Black and white pieces were carefully placed on such board for equilibrium. Because the wooden pieces weights vary, their ...
7
votes
3answers
192 views

Placing The Black King

In this position, White’s sole aim is to castle. But in order to do so, they must promote their pawn to a queen to force a Black bishop move. The 10 black kings represent where Black’s king can safely ...
7
votes
2answers
575 views

Knights and Queen puzzle

This is not original. I just want to share this problem. If you have heard of it, please give opportunities for those who haven't to answer. Horst and Queenie are playing a game on a $200\times200$ ...
1
vote
1answer
72 views

k-threats Chinese Cannons Chess: Part 2

Inspired from the N-Queens problem, I here propose you a puzzle from Xiangqi wich is Chinese Chess equivalent, mostly played in Asia. The most different piece from Xiangqi is the cannon. You can ...
4
votes
1answer
90 views

k-threats Chinese Cannons Chess: Part 1

Inspired from the N-Queens problem, I here propose you a puzzle from Xiangqi wich is Chinese Chess equivalent, mostly played in Asia. The most different piece from Xiangqi is the cannon. You can ...
4
votes
3answers
229 views

4-coloured queens attacking every opponent queen once

Can you place 6 queens from four different colours (24 in total), such that each queen attacks exactly one queen of each colour? They may attack as many queens of their own colour as these are ignored....
6
votes
1answer
104 views

Freedom of many choices

There are 40 possible move options for both White and Black players in the starting position. The 4 knights and 16 pawns all have 2 options. If all the pieces are still on the chessboard, how would ...
7
votes
4answers
335 views

3 Colors of Chess Pieces Attacking Each Other Once Each

Yes, it's another "Chess Pieces Attacking Each Other" puzzle. This time we have 3 colors. Your goal is to place as many of the same type of chess piece (excluding pawns since you can't define the "...
6
votes
1answer
142 views

Most moves by Most number of Pieces

Using one color, White or Black, place as many chess pieces (kings, queens, bishops, knights, rooks, and pawns, or combinations thereof) as you can on a checkerboard so that when the number of pieces ...
2
votes
1answer
109 views

Footmen And Friends #3: Eviction

Welcome to Episode 3, where we have a strange puzzle for today. Pawns aren't legally allowed on the first and eighth ranks, but today we make an exception for the sake of creating another long but fun ...
13
votes
1answer
842 views

The Single Digit - a chess riddle

In front of you lies a safe. Within the safe, you are aware, lie the AI-discovered secrets to solving the game of chess - indeed, every one of its complexities, all of its unknowns, implausibly ...
2
votes
1answer
126 views

Footmen And Friends #2: Leapfrog

Seeing as the pilot episode was a major success, with an outstanding and correct response from one of our viewers, it’s time for Episode 2. Remember, we show puzzles with kings and pawns only! Those ...

1
2
3 4 5
10