Questions tagged [chess]

A puzzle related to chess. Questions about chess which aren't puzzles are off-topic and should be asked on Chess Stack Exchange.

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20
votes
1answer
1k views

Chess Connect Puzzle

I made up a new logic puzzle based on the games Numberlink and Chess, and thought it ended up rather interesting. The solution, as usual, is unique. The starting and ending positions of 7 chess ...
6
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1answer
468 views

My first steps to take over Puzzling Stack Exchange

This puzzle contains errors, the author is working on fixing this! Sincere apologies for the incovinience! Dear Puzzling SE Users, Okay so the last time I tried to take over Puzzling SE I ...
11
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1answer
729 views

Chess Pawn Puzzle

What is the least required number moves to be played to arrive on the position shown above ? Note: no illegal moves.
9
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2answers
543 views

Smallest Army on a chessboard

This is actually similar question to Biggest army on a chessboard. But it is kinda different way of asking. In this game, you are supposed to put the least amount of pieces into the board where there ...
13
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3answers
815 views

One hell of a chess puzzle!

So, while watching chess online, I stumbled upon this brilliant chess puzzle. White to move and win. Note: Link shared is not the source of this puzzle, the image was found somewhere online. ...
31
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5answers
3k views

Biggest army on a chessboard

Reminder: Everybody knows that we can place 8 queens in a chessboard without threatening each other (see here). Same reasoning can be applied for knights, bishops, rooks and kings. Giving ...
8
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4answers
525 views

Deliver a checkmate on a cylindrical chessboard with the least cumulative piece value

Suppose that the chess board is not a 2D square, but a cylinder, as shown below: In that case, both players still can make queens, but one king and one queen is not enough to checkmate the opponent, ...
4
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2answers
377 views

A Pawn is riding this Knight on his Tour

Do a Knight's Tour under the following conditions: 8*8 board You have to alternate between a knight move and a pawn move (advance one square) No pawn advancing of two squares at any time You can not ...
6
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3answers
524 views

Place three Knights, three Bishops and three Rooks on this board snippet

Place three Knights, three Bishops and three Rooks on this board snippet. The only rule: each piece has to be attacked exactly once. Notes: Ignore color, so every piece attacks every other piece ...
9
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2answers
542 views

crowded 5x5 chessboard

While working on an earlier chess piece placement problem, I happened to come across a silly (but somewhat interesting) configuration: The board size is 5x5 squares There are 16 pieces of the same ...
27
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7answers
8k views

Two Knights, two Bishops, two Rooks and two Kings on a 4x4 chessboard

Place two Knights, two Rooks, two Bishops and two Kings on a 4x4 chessboard, so that: 1) The Kings are not attacked at all. 2) All other pieces are attacked exactly once. Ignore color, so every ...
3
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1answer
198 views

Can both chess players promote all their pawns to queens? [duplicate]

In standard chess rules, a pawn is promoted if it reaches the far side of the board. Usually, the pawn's owner chooses to promote it to a queen. Is it possible for 18 queens to be on the board at ...
32
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1answer
8k views

Can a chess player promote all pawns to queens?

In standard chess rules, a pawn is promoted if it reaches the far side of the board. Usually, the pawn's owner chooses to promote it to a queen. Is it possible for one player to eventually promote ...
11
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1answer
1k views

Sudoku with chess queen rules

This is a unique sudoku. With Rules : Common sudoku rules apply. Numbers 1,2,3 have an additional rule, they are also chess queens. If all others numbers removed, the 1s do not attack each other ...
14
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2answers
606 views

Double n-queen puzzle, with sudoku rules

Put 9 blue queens and 9 pink queens, with rules : If the blue queens removed, each pink queens do not attack each other. If the pink queens removed, each blue queens do not attack each other. Each 3×...
21
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6answers
924 views

Fit the most chess pieces on a board with these rules

Fit the most pieces on a chess board. You are only allowed to place Rooks, Knights and Bishops. The number of rooks, knights and bishops must be approximately equal (specifically, the number of rooks,...
13
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5answers
4k views

Can you save white in this chess position?

Here is a game I've recently played with my 6-year-old nephew. I am the black pieces. My last move was Bxf3. As you can see, I have an unstoppable mate (Qg2#). It's white's move. My nephew asked ...
11
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2answers
1k views

Chaotic Chess Game

Your friends Mark and Joe love playing all sorts of games. Board games, card games, modern games and classics, they played them all. One day when you were visiting them, they pulled out a chess board, ...
28
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8answers
6k views

Another Easy Mate in 1

Standard chess rules apply, the board is not rotated (i.e. white pawns move upwards), no lateral thinking is needed. Simply find the one move for white which mates the black king. This puzzle was ...
10
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1answer
287 views

Get 6 pawns in file A or H without promoting

This is wholly inspired by Get 6 pawns in file A or H Is it possible for either white or black to get 6 pawns of the same colour in file A or in file H (you must choose one) without promoting?# If ...
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4answers
2k views

Get 6 pawns in file A or H

This is somehow inspired by my other chess related question: Possible pawn combinations How can you get 6 pawns (white or black) on a chessboard on the files A or H using legal moves? Start with a ...
8
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3answers
1k views

Possible pawn combinations

This may seem simple, but I have a problem calculating it. It may be because it's Monday morning. How may possible valid combinations of one color pawn (white or black, your choice) positions are ...
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3answers
1k views

What do chess and wordoku have to do with each other? - Clue Thirty-One

<<---First clue <---Previous clue (?) "Aha! That's it," you exclaim, still holding the papers. "The answer is obviously [redacted]." Having figured out the answer, you ...
12
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2answers
420 views

Getting rid of all chess pieces (except the kings) in a sequence consisting only of captures

Is it possible to set up a legal chess position with all 32 pieces on the board, where there can be a string of unbroken captures such that only the kings are on the board when it is over? You can ...
20
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2answers
2k views

Chess, for short people

Your grandfather and grandmother are playing chess, and you are sitting in the same room doing your own thing. A wide grin comes across your grandfather's face, and you can tell he is about to ...
12
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1answer
916 views

Horde of bishops

This has got to be the coolest chess puzzle I have ever seen. Shamelessly stolen from here (Which is actually linked from the help center, which is how I found this) which links here. I don't believe ...
9
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1answer
408 views

The two moves attack

From the chess starting setup position, the twins are playing White. All regular rules are applied except: The Black player wins if he makes it to the 7th move Each twin makes a move, then black ...
49
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3answers
5k views

A very unique chess puzzle

Find a legal move for white that does NOT mate in one. Source: by Karl Fabel & was reprinted in Martin Gardner's New Mathematical Diversions from Scientific American (pub. Simon & Schuster), ...
14
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4answers
2k views

No More Kings puzzle

Inspired by the game No More Kings Rules: You start as the black piece. Your goal is to capture every piece on the board. The king must be the last piece captured. Captured pieces are used as the ...
15
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1answer
701 views

Megan and the chess game

It was a bright sunny day of the sort that we occasionally get in this part of the world (it was the fifth Friday in March). In the park was a van advertising its wares under the banner "Hyper Ices", ...
5
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1answer
341 views

Pseudo perplexing puzzle in Puzzlopia

Puzzlopia is the site, from where I got this puzzle. A chess maze - the name tells it all - you have to move the green horse, to the yellow spot. But hey, you're a peaceful horse, so you don't ...
8
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3answers
473 views

Smallest number of moves to get to a chess position

Inspired by a recent question posed by Roger Penrose, what is the smallest number of legal chess moves to get to this position?
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2answers
519 views

Checkmate all the kings #4

Following the rules created by Lord of dark in this puzzle, and used here and here also, the idea is to find the minimum number of consecutive white moves to checkmate all the black kings (in this ...
11
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3answers
642 views

Checkmate all the kings #3

Following the rules created by Lord of dark in this puzzle, and used here also, the idea is to find the minimum number of consecutive white moves to checkmate all the black kings (in this case 12). ...
8
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2answers
598 views

Checkmate all the kings #2

Following the rules created by Lord of dark in this puzzle, the idea is to find the minimum number of consecutive white moves to checkmate all the black kings (in this case just 1). You cannot make a ...
24
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5answers
4k views

Why isn't this chess puzzle trivial?

This chess puzzle has become popular in the last few days: But doesn't the white king just need to wander to where the cross is, then move the white pawn forward, then the black bishop takes it and ...
14
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3answers
732 views

Forced selfmate in n-moves

I assume most people on PSE know a bit of chess With white to move, this is checkmate (1. Qb7#): That's boring. Let's try something more interesting. With black to move, black can FORCE white to ...
14
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1answer
501 views

Rook Game on a Chessboard - Take 2

This question is inspired by this puzzle. You have an $m \times n$ chessboard with $m \le n$. Alice and Bob alternately move the rook (horizontally or vertically, through any number of squares). As ...
3
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0answers
369 views

The King's Routes Problem: How many possibilities? [closed]

On a chessboard, a king is to be allowed to move one square at a time: horizontally to the right, vertically downward, or diagonally to the right and downward. Imagine a reduced 4x4 chessboard, with ...
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1answer
167 views

How many positions can the queen control? [closed]

Given the size of board (n) and the position of the queen (r,c) how can we calculate the total number of squares which can be controlled by the queen?
6
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3answers
421 views

Two knights and two rooks on a 5-by-5 chessboard

In how many different ways can two knights and two rooks be placed on a $5\times5$ chessboard, so that no piece attacks another piece?
2
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1answer
452 views

Chess : flawless victory

-warning : true story alert- In my high school years, I used to be in the chess club. One day, my friend taught me the famous 4 move win and told me how it was "the best, the fastest, most awesome ...
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3answers
1k views

Four free rooks for checkmate

You are given a chessboard with a black king at d5, and four white rooks in your hand. You may place the rooks onto the board one at a time, always checking the king. After each rook placed, the king ...
7
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2answers
541 views

Seven Impatient Knights

Source On a $3\times3$ chess board, you must place seven knights according to the following rules: Immediately after placement, the knight must move to an unoccupied spot using a standard knight's ...
5
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3answers
475 views

Chess position such that with perfect play, mirrors itself

I was wondering if it's possible to have a chess position in which the (or at least ONE OF THE) OPTIMAL strategy/strategies causes the pieces in the board to mirror in some way, or to rotate with ...
6
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1answer
302 views

A Stranger (Chess Sliding Puzzle)

A suspicious stranger lurks in the village. Deal with him before escorting the King to the luxurious safety of h8. White is first to move. Only legal chess moves are allowed. Pawns are not promoted ...
14
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3answers
395 views

Pool of Pawns (Chess Sliding Puzzle)

The King has tired of watching the Queen swim in the Pool of Pawns. Help him return to his palace on h8 using as few moves as possible. Only legal chess moves are allowed. Pawns are not promoted on ...
30
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3answers
974 views

Rook River (Chess Sliding Puzzle)

The absent-minded king has gotten himself lost. Help him return to his palace on h8 using as few moves as possible. Only legal chess moves are allowed. Pawns are not promoted on the final rank. You ...
4
votes
1answer
283 views

Can the rook pass every square just once?

I had a math teacher in high school who gave us a puzzle to solve. We had to draw a chessboard with one piece that could only move in straight paths. Diagonal movement was forbidden. The goal was to ...
12
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3answers
297 views

FootChess 2: The Footening

A friend came to me with the following FootChess position, claiming that White had a way of forcing a win. I'll admit that I regarded the board with skepticism, but as time passed it began to seem ...

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