Questions tagged [chess]

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

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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
Rewan Demontay's user avatar
4 votes
4 answers
209 views

Hilfe White Rochade!

It’s Black to move. What must Black do in order to help White castle queenside in just 11 moves?
Rewan Demontay's user avatar
17 votes
5 answers
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 ...
Dr Xorile's user avatar
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8 votes
2 answers
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: ...
Dmitry Kamenetsky's user avatar
6 votes
2 answers
1k 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!
Dmitry Kamenetsky's user avatar
7 votes
1 answer
393 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 ...
Rewan Demontay's user avatar
2 votes
1 answer
142 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 ...
Rewan Demontay's user avatar
4 votes
1 answer
164 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
Rewan Demontay's user avatar
5 votes
3 answers
2k 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 ...
Dr Xorile's user avatar
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7 votes
7 answers
342 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 ...
Rewan Demontay's user avatar
8 votes
1 answer
436 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 ...
Dr Xorile's user avatar
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3 votes
2 answers
203 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 & ...
Rewan Demontay's user avatar
9 votes
3 answers
403 views

The Marching Tune

And a one, and a two, and a three four five six! Or a one, and a two, and a three four five! From my home right here, To the end way down there! And then I have a choice Of a one, a two, or a ...
Rewan Demontay's user avatar
4 votes
1 answer
207 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 ...
Dmitry Kamenetsky's user avatar
6 votes
1 answer
328 views

Attacking queens

Can you place 3 queens on a 6x6 chess board such that they can attack every square? Good luck!
Dmitry Kamenetsky's user avatar
11 votes
3 answers
755 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 ...
Dr Xorile's user avatar
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15 votes
1 answer
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 ...
Dr Xorile's user avatar
  • 23.4k
0 votes
2 answers
258 views

Something Simple

A simple task: It’s White to move selfmate themselves in three moves. White pawns are moving up.
Rewan Demontay's user avatar
5 votes
1 answer
232 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 ...
Rewan Demontay's user avatar
7 votes
0 answers
302 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 ...
Hazel へいぜる's user avatar
5 votes
3 answers
911 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 ...
Rewan Demontay's user avatar
9 votes
3 answers
843 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 ...
Jafe's user avatar
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7 votes
3 answers
213 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 ...
TSLF's user avatar
  • 6,656
3 votes
3 answers
419 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 ...
Hazel へいぜる's user avatar
4 votes
1 answer
435 views

Around The World

It's White to move and win against Black. Black plays optimally. Have fun! Oleg Pervakov and Karen Sumbatian, Shakmaty v SSSR 1990 P.S.-To me, it’s crazy that the title hasn’t been taken yet! Hint:
Rewan Demontay's user avatar
9 votes
3 answers
501 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 ...
Rewan Demontay's user avatar
3 votes
3 answers
276 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 ...
Rewan Demontay's user avatar
10 votes
2 answers
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 ...
Rewan Demontay's user avatar
4 votes
2 answers
240 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. ...
Rewan Demontay's user avatar
2 votes
1 answer
252 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 ...
Rewan Demontay's user avatar
6 votes
2 answers
360 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 ...
Rewan Demontay's user avatar
3 votes
1 answer
143 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 ...
Rewan Demontay's user avatar
9 votes
2 answers
855 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 ...
Arnaud Mortier's user avatar
25 votes
3 answers
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 ...
Brandon_J's user avatar
  • 9,307
6 votes
1 answer
257 views

De-zephyr The Solution!

Here's another original chess problem of mine for you all to solve today! In the following position, White wants to stalemate Black even though they can win, for unknown, unclear, unexplained, and ...
Rewan Demontay's user avatar
2 votes
1 answer
230 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, ...
Rewan Demontay's user avatar
5 votes
2 answers
161 views

Piece-drop Mate #4

Piece-Drop Mate Piece-drop Mate #2 Piece-drop Mate #3 Here's another installation of the Piece-drop Mate series! I'll try to be more explicit about the rules of the puzzle, as recommended by @...
MakeHellTal's user avatar
6 votes
2 answers
192 views

Piece-drop Mate #3

Piece-Drop Mate Piece-drop Mate #2 Here's a third one and an interesting one at that: Your task is to place a piece on the board as White and checkmate Black. The correct answer is the one which ...
MakeHellTal's user avatar
4 votes
3 answers
172 views

Piece-drop Mate #2

Piece-Drop Mate #1 Here's a second piece-drop mate, but with a twist. Just like last time, you may only place the maximum number of pieces allowed on the board in a regular game of chess. You're ...
MakeHellTal's user avatar
5 votes
1 answer
262 views

Piece-Drop Mate

Find a way to checkmate Black by placing pieces! You must use as little material as you can(in points). You cannot place more pieces than allowed in a regular game of chess! The Position Good luck! ...
MakeHellTal's user avatar
4 votes
1 answer
166 views

The Switchup-2.0

This question from last year has a complete switchup of all non-pawn pieces on the board with all the pawns on the 4th and 5th ranks, The goal was optimize the amount of moves needed to reach the ...
Rewan Demontay's user avatar
9 votes
1 answer
371 views

An Unusual Amount Of Help

Another day, another helpmate to solve! Given that White moves first and to help Black checkmate White, find the least number of moves needed such that Black mates: -With a queen -With a rook -...
Rewan Demontay's user avatar
6 votes
1 answer
569 views

Chess Construction Challenge #2-Check!

It’s time for round two! Given that: Black has 6 pawns and a king White has three pieces of any kind you to deduce the identity of and a king Construct: A legal position in which both sides help ...
Rewan Demontay's user avatar
7 votes
2 answers
320 views

A "Simple" Task

Here's a "simple" task for all of you solvers out there: With White to play first, and with both sides working together to checkmate White, aka a helpmate, what is the quickest way for Black to ...
Rewan Demontay's user avatar
4 votes
2 answers
273 views

Chess Construction Challenge #1-Read First Please!

I'm starting a new series in which I set a very specific goal with a unique (to be more specifically defined here in a bit) answer in which the solver must construct a chess position, sometimes a game,...
Rewan Demontay's user avatar
2 votes
4 answers
241 views

Find Those Chess Notations! #7

It's been awhile, so welcome to my series if you haven't seen it before! Number Of Moves: 15 Checkmater: Black Given Game: ? ? ? ? ? ? ? ? ? fxe3 ? ? ? ? ? ? ? dxe4 ? dxe6 ? ? ? ? ? fxe5 ? ? ? ...
Rewan Demontay's user avatar
22 votes
3 answers
2k views

Where are the Wazirs?

A wazir is a fairy chess piece that moves like a rook, but can go only one square.                   &...
hexomino's user avatar
  • 136k
11 votes
2 answers
2k views

The Coded Chessboard

"If you're worthy, the secret is found within you," the wise old lady had told you before you had entered the villain's lair. When the townspeople had told you to seek her out for advice, you thought ...
Excited Raichu's user avatar
9 votes
1 answer
355 views

3D Chess - Stale NBA (kNight-Bishop Assault)

This is my very first chess puzzle. Any constructive feedback is more than welcome. Thanks! Introducing 3D Chess! To make things simple for the first time, we are using a $3\times3\times3$ ...
Omega Krypton's user avatar
7 votes
3 answers
727 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 ...
Rewan Demontay's user avatar

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