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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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7
votes
3answers
653 views

Fewest Chess Pieces

What is the least amount of chess pieces you can use to cover the board with their possible moves and what is their placement? You can only use the pieces that are found on the chessboard (from the ...
2
votes
0answers
84 views

Judge this position

An odd chess crime has occurred. The below position, a criminal one, was on the board when it was intercepted. Is it a legal or illegal chess position? Give reasonable proof as to why. You are to ...
4
votes
1answer
82 views

You Tell Me What To Choose

I found this nice problem in A.C. White’s 1912 book “The Theory Of Pawn Promotion” the other day. Enjoy! It’s White to move and checkmate Black in 5 moves, Don’t forget to explain the title! ...
3
votes
1answer
206 views

All The King's Men-Selfmate In 14 Moves?

I call this "All The King's Men" because lots of White's pieces are needed in this selfmate. It was somewhat of an accident actually, but it is still a pretty position in my opinion. It's White to ...
9
votes
3answers
416 views

So, what's to do?

It's White to move and draw the game. What must White do? You must provide proof for your claim of what's to be done by any reasonable means. No looking up the solution please! Nikita M. Plaksinm ...
4
votes
2answers
399 views

To Win The Right To ****************

I found this nice little problem on Tim Krabbe's website the other day. I found it so unique and beautiful, that I felt compelled to share it here as a puzzle to be solved. Please do not use a ...
1
vote
1answer
181 views

Especially Special

Here's a special and interesting chess problem that I came across the other day. As usual, no using a computer and no Googling or anything like that for the solution. You must use your own brain ...
2
votes
1answer
198 views

The Sea Snake's Slithering Problem

Here's a really long chess puzzle, not made by me, that has the "sea snake" theme, which just basically means that it's super long. It's White to move and checkmate Black in 122 moves. Миљанић, ...
5
votes
2answers
259 views

Tempoverlustspiel

Tempoverlustspiel-A German word that roughly translates to "loss of tempo game." An interesting chess term that I leaned a while ago With White to move in the below position, how many moves will it ...
2
votes
0answers
167 views

Around The World

It's White to move and checkmate Black in 36 moves. I have slightly changed the original stipulation. Feel free to explain the title if you want to! *Oleg Pervakov and Karen Sumbatian, Shakmaty v ...
3
votes
2answers
169 views

Back in time, in my time, all the time

I present to you all a highly interesting problem that I came across awhile ago on Tim Krabbe’s site. It’s White move and win, i.e. reach a winning positon, in 21 moves. David Gurgenidze & ...
4
votes
0answers
153 views

The Rambling Monster

The Rambling Rook is back, but this time, they are a true monster! It’s White to move and reach a winning position in 101 moves. Gijs van Breukelen, Schakend Nederland, 1981, Special Honoring ...
2
votes
1answer
146 views

With The Last Man

Here’s a nifty little problem. It’s White to move and mate in 12! Don’t forget to explain the title! Johann Christoffel Van Gool, Le Journal de Genève 1979
11
votes
2answers
358 views

Checkmate with two knights, but with a twist

It is well known that two knights and a king alone cannot force a checkmate. But that it on a 64-sqaure board. According to Edward Winter’s C.N. 5449, William Shinkman found a way to give mate in a ...
5
votes
3answers
493 views

What is my lover's name?

I have a lover, I love her so She has a special name as we all do But I wish, from me to you, not to tell A secret kept is a secret kept well But if you truly want to know I shall soon reveal her ...
3
votes
4answers
153 views

Hilfe White Rochade!

It’s Black to move. What must Black do in order to help White castle queenside in just 11 moves?
15
votes
5answers
4k views

Princesses covering an 8x8 chess board

What is the minimum number of princesses you need to place on an 8x8 chessboard so that every empty square is attacked by at least one princess? A princess is a piece from fairy chess that can move ...
10
votes
2answers
856 views

How many bishops to walk across the board

N bishops are placed on a standard 8x8 chess board. Each bishop can move normally but after touching or moving over an square, that square is considered marked. A bishop cannot pass over or land on ...
5
votes
2answers
582 views

Knights covering a 10x10 chess board

What is the minimum number of knights you need to place on a 10x10 chess board, such that every empty cell is attacked by at least one knight? Good luck!
7
votes
2answers
2k views

Knights covering a 9x9 chess board

What is the minimum number of knights you need to place on a 9x9 chess board, such that every empty cell is attacked by at least one knight? Here is a similar question for a 10x10 chess board: ...
6
votes
5answers
201 views

Chess Construction Challenge #3-The Inverse Babson

Another day, another task! Today's challenge is to construct four positions, with White to move and win, such that: In each position, White's move is to promote to a particular piece, for a position ...
7
votes
4answers
266 views

Discrete Peaceful Encampments: Player 3 has entered the game!

Here's a variation of Discrete Peaceful Encampments: 9 queens on a chessboard (which itself is a variation of Peaceful Encampments). You have 4 white queens, 4 black queens, and 4 red queens. Place ...
2
votes
1answer
109 views

In and out, and back in again

With White to move, how long will it take for both sides to cooperate, i.e. this is a helpmate, and checkmate Black? This is based on a problem made made by Otto Blathy. And yes, I know that the ...
3
votes
3answers
220 views

A Hearty Warm-up

Sliding-block chess puzzles have gone a little cold, so here be a hearty warm-up! ;D In the below position that I created, it Black to move, but there is a twist: the stipulation is that it is a ...
11
votes
3answers
416 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 ...
15
votes
3answers
811 views

Highest number of mates

In chess, what position has the highest number of checkmates in 1 move for a given side? You can have as many of each piece as you want, except for the king (you get exactly one). Bishops can be same ...
4
votes
1answer
124 views

“Short” And Sweet Math

In the following chess diagram, how many possible chess postions exist? No looking at the solution! Source: P1359129 & Andrew Jonathan Mestel, Retros mailing list, 2/1/2019
6
votes
3answers
1k views

A delve into extraordinary chess problems: Selfmate 2

(Continuing the series from here) Here is a second selfmate puzzle (also relatively easy, but beware the traps!). It is by C. R. Flood from 1967, and is puzzle 81 in The Book of Extraordinary Chess ...
7
votes
1answer
236 views

A delve into extraordinary chess problems: Selfmate 1

[This series continues from a harder puzzle here and continues in this puzzle] Here we have an easier but still interesting selfmate in 5. This is a puzzle by A. Rubin found in The Book of ...
3
votes
3answers
262 views

Chess Golf: Peaceful Double Mate

Given the board below, create a checkmate for both sides, ensuring that no pieces are capable of capturing any other piece excluding captures targeted at the kings. Blue moves south and pink moves ...
11
votes
3answers
538 views

A delve into extraordinary chess problems: Self-Stalemate 2

Following on from a slightly easier puzzle here (this series continues here). This is a puzzle by W. A. Shinkman in 1924: White to play and force Black to stalemate him in nine moves. As a ...
7
votes
1answer
539 views

Don't bully your little sister at chess

This puzzle was inspired by @RewanDemontay's puzzle De-zephyr The Solution!. Rewan kindly granted me permission for making this puzzle and citing his as my source of inspiration. I thought of naming ...
11
votes
2answers
2k views

The economy of trapping

A queen on the center of the board has 27 possible moves. Sometimes a queen can be trapped, like in the position below. Note: This is just an example of a what a trap should be like-every possible ...
14
votes
1answer
1k views

A delve into extraordinary chess problems: Self-Stalemate 1

(This puzzle series is continued here) I found a book that must have been given to me thirty years ago called The Book of Extraordinary Chess Problems: 120 Unusual Puzzles by Stephen Addison. It's ...
4
votes
1answer
153 views

Attacking queens revisited

Can you place 5 queens on a 11x11 chess board such that they can attack every empty square? It turns out this problem was answered here: http://golovolomka.hobby.ru/books/gik/04.shtml Can you find ...
6
votes
1answer
129 views

Attacking queens

Can you place 3 queens on a 6x6 chess board such that they can attack every square? Good luck!
0
votes
2answers
189 views

Something Simple

A simple task: It’s White to move selfmate themselves in three moves. White pawns are moving up.
8
votes
1answer
195 views

Reconstructing A Chess Game #4

My five years old pupil Magnus is really on fire ! After three wins in the first, second and third games, he is playing White today in round 4 against one of the tournament's favorites (a child who ...
4
votes
1answer
152 views

A Remote Location

Here be a simple problem For the keen directmate eye White to move and win In seven moves, Black shall die However, I remember now a relative Long ago did he begin to live About a two decades or ...
7
votes
0answers
151 views

Forbidden Love: A tale of two kingdoms

Once upon a time there were two kingdoms (bluex and pinksus) separated by a wall of eternal war. The kings of these two kingdoms each had one son and one daughter. Their children sought to end the war ...
8
votes
2answers
322 views

Three-player chess on a 7x7 board

This is chess between three players. Short rules: Black moves first, then blue, then red. The move order is the same regardless of whether any of the players are in check. Normal chess rules ...
7
votes
3answers
141 views

Playing Chess Game of Chance

I still enjoy playing chess at the age of ninety four.Those contemporary opponents I used to play with have all passed away without me even getting even scores with any of them. On my spare time I ...
30
votes
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?
4
votes
2answers
195 views

The Dropper, But With A Twist

Here's a piece-drop puzzle of my own. In the below position, a White piece is to be dropped onto the board. This means that, before White can move, they must legally put a single piece on them board. ...
46
votes
2answers
3k views

Can you stop the rambling rook?

This is a chess puzzle someone showed me a long time ago. If you already know this puzzle please give the others a chance to solve it first. This puzzle was originally created by Otto Gallischek and ...
2
votes
1answer
153 views

That Ain't Right… #4

Here's a small head-scratcher for you all today. In the above position, it is White to play and mate Black in four moves, assuming that Black plays their best moves. However, there is a catch—there ...
8
votes
4answers
457 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, ...
3
votes
1answer
104 views

A Breeze Through

Here's a small problem for you all to breeze through tonight! It's White to move and selfmate themselves in 7 turns. Can you tell me what the special concept is that arises from this problem? As ...
7
votes
4answers
660 views

Tricky Tricky!-Can you find the secret?

Here's a selfmate problem that just might be baffle you! Thus, I name it "Tricky Tricky!" It's White to move and selfmate themselves in 8 moves. Can you find the secret? As always, no computers ...
25
votes
3answers
5k views

A Checkmate of Dubious Legality

Full-size image Black has just delivered checkmate in the above position - but is the position legal? If no, explain why. If yes, give Black's mating move. FEN: 3r4/2r4b/8/8/8/3Kp3/5k2/8 w - - 0 1 ...