Questions tagged [chess]

A puzzle related to the game of chess. Questions about chess which aren't puzzles are off-topic but can be asked on Chess Stack Exchange.

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Place The Black King Legally-Two Solutions

Warning: If the wording seems cryptic to you, that’s because it is meant to be. Here’s a puzzle for you: legally place the black king in the following diagram. Additionally, assuming that all white ...
4
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1answer
106 views

Kill me or I kill you first!

How many mates are possible under 10 moves? Rule: Mate can go both ways. Under 10 moves. Feel free to let White or Black move first. Board diagram: Apronus PGN Viewer board for white taking the ...
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3answers
1k views

Can White Castle? #3

Since it seems at least some people are enjoying these I'm continuing the series. This one is not quite as elegant, but still interesting. Can White Castle?
14
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3answers
601 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 ...
29
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6answers
3k views

Swapping rooks in a 4x4 board

You have a 4x4 chessboard with four black rooks on the top and four white rooks in the bottom. Your goal is to swap these rooks using the minimum number of steps. It does not matter which rook is ...
70
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3answers
8k views

Can White Castle?

This is the first chess puzzle I composed in the retrograde genre. I originally posted this in a chess dedicated forum. Hope you like it! In the following position, is it possible that White could ...
15
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1answer
562 views

Can White Castle? #2

Following on my previous puzzle that was well received (here).Note that this one is a lot shorter / easier, so feel free to participate! Can White Castle?
5
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1answer
121 views

You versus Computer - Who will be the Winner?

You sit down to play a “new” game of chess. In this game only one Knight is on the regular 8x8 chessboard. Only regular legal moves of Knight are allowed. Game begins with computer going first to ...
8
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3answers
268 views

Lead the way to this Literary Knight to its final “DESTINATION”

As this Literary Knight (only chess move allowed) hops along, picks up a letter each time to make it to final $DESTINATION$ Starting from a cell containing right D, ride the Knight picking up each ...
3
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1answer
163 views

Normal Knight sees the Big Picture during his Countrywide Travels [duplicate]

Normal Knight is savvy, energy saving as he travels through Regular Country... Ride along and Document Details of his Journey As this Knight (only chess move allowed) journeys through , he takes ...
2
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2answers
197 views

Magical Knight Moves with Effortless Ease in his Magical Kingdom

Magical Knight knows every Square of his Magical Kingdom. In many respects, he is like any other knight...Literary,Prime, Normal(makes same allowed chess moves). He is people Knight . As he traverses ...
4
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1answer
155 views

Prime Knight travels through Prime Country

Prime Knight travels through Prime Country... Ride along and Document Details of his Journey As this Prime Knight (only chess move allowed) journeys through Prime land, he makes a pit stop at every ...
30
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2answers
3k views

How many queens can be on a chessboard without attacking each other?

What is the maximum number of queens that can be placed on a standard 8x8 chessboard such that no one of them is capable of attacking any of the others in a single move?
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1answer
132 views

Where is the White King? [duplicate]

I recently stumbled upon this puzzle on a known video platform. Apparently it's from the cover of an old book named "The Chess Mysteries of the Arabian Knights". The white king made himself ...
4
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5answers
301 views

A Humourous & Simple Selfmate In One

Here's simple and humourous chess puzzle that I created after a few non-consecutive hours. I had to prove the concept feasible while making it as economic as possible. White To Move, And Selfmate In ...
5
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1answer
402 views

Something Large From Something Small

I have created a miniature chess puzzle that takes advantage of a piece of chess semantics that has some debate to it. This is the puzzle: Construct a legal (meaning that two opposite colored ...
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2answers
106 views

A Fairy-ly Odd Chess Identification Puzzle

I had a rather odd idea today. On my own, I came up with a mate in two scheme that uses a fairy chess piece, along with a new puzzle theme. The idea is that you must figure what fairy piece is going ...
17
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1answer
769 views

Peaceful Encampments

This math puzzle is due to Donald Knuth (as far as I know; maybe he got it from someone else) circa 2014. Consider a plain represented by the unit square. On this plain we want to “peacefully ...
94
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5answers
14k views

Mate in 0 moves

Not exactly a traditional chess puzzle, and I won't offer much of an explanation for fear of giving away the answer. White must mate in 0 moves, meaning he must deliver a check mate without touching ...
13
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3answers
1k views

Crossword gone overboard

This puzzle is part 24 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
4
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2answers
332 views

Fantastic Foxhole Failures

I have decided to make a little bit of theme for this next chess question. And that theme is foxholes in war. Makes sense to me since chess is a technically a war-themed game. I have two puzzles for ...
10
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3answers
349 views

What’s the most possible checkmates in one, but with no promoted pieces, in a position?

What is the most possible checkmates in one without promoted units in a position? It must all be legal, of course. Consider this a part two of this question: How many total checkmates can you ...
5
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3answers
229 views

A Multitude Of Mates In 5-An Original Chess Puzzle

Here’s a toughie for you-and no computers allowed! I have created this unique chess puzzle which white mates black in many different ways, all in 5 moves, no matter what black does. Options do exist ...
2
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1answer
91 views

A minimal stalemate with no possible illegal moves [duplicate]

Imagine that the main goal of the game of chess were to actually capture the opponent's king, not just checkmating him. So a stalemate would (usually) no longer be a draw, but a loss for the ...
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2answers
334 views

Placing rooks on a chessboard

We have a big chessboard with N rows and N columns (numbered 1 through N). Let's denote the square in row r and column c of the chessboard by (r,c). We want to place some rooks on the chessboard in ...
15
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3answers
2k views

A Wacky, Wacky Chessboard (That Makes No Sense)

So yesterday I found this in the mail. A chessboard. But on the squares, things were written. Plaintext version: ...
6
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2answers
353 views

Pawn Promotion Double Checks

In chess, it is possible to double check whilst giving promotion. An example of this would be a pawn promoting to a queen while a discovered attack from a rook behind the pawn checks the opponent’s ...
2
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2answers
107 views

Pawninos-44 Checks In A Row

Here’s a fun one! I call it Pawninos because the pawns, like dominos, all fall into a cycle! Start with an 8x8 chess board. Give black his king on h4 and no other material. Give white all of his 8 ...
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4answers
1k views

No moves at all, not even to put yourself in check

Here, white is stalemated. The king is not in check, but white has no legal moves. Not because any move white makes would put the king in check -- which is how stalemates normally happen -- but ...
8
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2answers
320 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 ...
1
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0answers
229 views

What’s the most discovered checkmates in one in a position?

Just another puzzle for fun! A discovered check is defined as “when a piece moves, while not giving check itself, as to let a piece behind deliver a check.” What’s the highest possible number of ...
5
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2answers
365 views

Build Me A Pawn Wall!

I have a very unique chess construction task for you all today: Build me a pawn wall! I challenge you to construct a game that ends with both sides having 6 pawns on a file. This means that 6 white ...
10
votes
1answer
453 views

How many total checkmates can you possibly make against the enemy king?

Just an interesting idea for a puzzle that I had So, I decided to see how many possible checkmate I could theoretically make, in a legal position that can be legally reached. Always assume that the ...
4
votes
1answer
145 views

The Fastest Way-A Special Positional Challenge

This is my first “find the fastest way to this position” chess puzzle” here on PSE. However, this is not for just some random position. Let me explain. Tim Krabbe has said on his site (Journal Entry ...
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1answer
108 views

Find Those Chews Notations! #6

Here be a hearty return to the original point of this series: retrograde analysis! Number Of Moves: 12 Checkmater: White Given Game: ? ? ? ? ? ? ? 0-0 ? ? ? ? ? ? Nf6+ Kh8 ? ? ? ? Nxf5 ? Ng6# ...
3
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1answer
149 views

That Ain’t Right… #3

Here’s a simple challenge. Wtih black to cooperate and move first, and white to checkmate, checkmate black in 6 plies (half-moves.) Only one illegal move may be made, and white makes only legal moves....
0
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1answer
195 views

Fastest Way To 6 Pawns On the B To H Files

MASSIVE UPDATE: I decided to play around with this again today, and I found MAJOR improvmemts for the B to G file games. See if you can beat me! If not, give proof as to why my game is optimal (To ...
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2answers
101 views

Max pieces to cover a chess board [closed]

Number of individual chess pieces to cover all chess board
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4answers
1k views

Tht Aain’t Right… #2

I already have another, probably very easy, for you all again! Task: State the rule/s that you believe are being broken based on the position and/or what clues I have/you think are being given. You ...
4
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1answer
207 views

That Ain’t Rght… 1# (Definitely!)

Many chess problems are dedicated to legal games, and very few to illegal ones. So I’ve decided to start another series of the latter! Every problem I make will have some offbeat thing about it that ...
6
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2answers
95 views

Find Those Chess Notations! #4

Yes, it’s back again! This one is going to be a little different however. Number Of Moves: 11 Checkmater: White Final Position: Cryptic Clue #1: Not all is as it seems! Cryptic Clue #2: Are ...
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3answers
432 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?
2
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2answers
231 views

Mirror Checkmates

A mirrored game is a game where black makes the same moves as white. Doing this, find the fastest possible checkmates for: A Regular Rook A Promoted Rook A Regular Bishop A Promoted Bishop A Regular ...
6
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2answers
756 views

Chess with symmetric move-square

Every move in chess involves moving a piece to a square. Let us call this square the "move-square" for that turn. In the following, the move-square of the black player must be symmetrical (over the ...
12
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5answers
4k views

Copycat chess is back

This puzzle is inspired by and has similar rules to the series of puzzles by Sleafar. Definition. A copycat chess opening is a sequence of moves starting from the conventional starting position, ...
3
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1answer
103 views

Find Those Chess Notations! #3

I’ve decided to do something a little different this time. I’m going to give you nearly all of the moves of one side, and must figure out the rest of the moves of the other side. Variations are ...
6
votes
1answer
147 views

Find Those Chess Notations! #2.5

Yet again, just another small one that I created before the next big one sometime tomorrow! Number Of Moves: 7 Checkmater: White Given Game (Regular Chess Notation): 1. ? ? ? ? ? ? ? O-O ? g5 ?+ ? ...
8
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1answer
141 views

Find Those Chess Notations! #2

Alrighty, it’s time for round two, as I promised! It’s a challenging one alright, I believe! Number Of Moves: 17 Checkmater: Black Given Game (Regular Chess Notation): ...
6
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1answer
77 views

Find Those Chess Notations! #1.5

This is this a small puzzle for you all until I come out with a big one for #2. Number Of Moves: 6 Checkmater: White Given Game (Regular Chess Notation): ? ? ? ? bxa3 g6 ? Ne7 ? ? Nh6# Cryptic ...
31
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2answers
2k views

There is only s̶i̶x̶t̶y one place he can be

This puzzle is not mine, although I don't have any reference as to where it originated from. I discovered it when I was a student, some fifteen years ago. It has been among my favourite chess puzzles ...