User Noam D. Elkies

31 votes

Accepted

Zugzwang where the side to move must be mated in exactly 2 moves

answered Jul 15 at 3:34

29 votes

What moves solve this mate in 2?

answered May 11, 2020 at 19:02

27 votes

Can a unique position be deduced if pieces are replaced by checkers (can see piece color but not type)

answered Jun 26 at 1:20

26 votes

On an infinite board, which pieces are needed to checkmate?

answered Dec 19, 2020 at 6:18

22 votes

Accepted

Elo loss for resign vs checkmate

answered Dec 23, 2016 at 4:45

21 votes

Accepted

Positions where pawn promotion to queen is worse than to other piece

answered Mar 7, 2023 at 21:15

21 votes

Accepted

What's the maximum amount of material that a puzzle with unique solution can have?

answered Jun 9 at 2:22

20 votes

Accepted

What is the longest known sequence of forced moves leading to a checkmate for one side?

answered Feb 26, 2017 at 3:06

16 votes

Accepted

Can a King and a Knight force stalemate against a lone King?

answered Jan 17, 2016 at 4:23

16 votes

Fastest possible checkmate by en passant

answered May 2, 2018 at 1:07

16 votes

Ruy Lopez Main Line - Why not Be7 before Nf6?

answered Feb 26, 2023 at 4:05

12 votes

Find a KNP-KQ endgame in which Black loses

answered Mar 9, 2021 at 21:35

12 votes

Longest sequence of mutually forced moves

answered Nov 29, 2015 at 23:18

11 votes

Why would one promote a pawn to a knight?

answered Nov 29, 2015 at 4:08

11 votes

Pawn giving checkmate

answered Aug 4, 2016 at 5:33

11 votes

Chess positions that are easy for humans but near impossible or confusing for computers

answered Jan 16, 2021 at 0:09

11 votes

Five Knights Problem

answered Mar 10, 2018 at 21:37

11 votes

Why is move 12 a blunder for both sides?

answered Dec 25, 2023 at 0:30

11 votes

Most mate options after 6 moves

answered Jan 22 at 23:18

11 votes

Accepted

Position where neither player can force an exact outcome

answered Nov 8, 2022 at 2:37

10 votes

Accepted

Why doesn’t the computer like my odd queen trade?

answered Nov 13, 2019 at 4:30

10 votes

Accepted

How many windmills types exist in chess?

answered Sep 6, 2016 at 2:19

9 votes

Has there been a game which was drawn with three queens?

answered Jul 15, 2016 at 6:12

9 votes

Accepted

(4 Queens + 3 Pawns) vs (Entire Standard Army)

answered Aug 8, 2017 at 18:17

9 votes

What are some examples of promoting a pawn to a rook or bishop?

answered Nov 29, 2015 at 23:03

9 votes

Is it possible to have a double self-smothered stalemate?

answered Dec 28, 2015 at 0:49

9 votes

Helpmate of arbitrary length

answered Sep 23, 2017 at 1:23

9 votes

Accepted

Trying to remember a zugzwang puzzle/study position

answered Apr 15, 2021 at 19:48

9 votes

Accepted

Two Rooks v/s Queen End game

answered Feb 3 at 22:54

9 votes

Accepted

Threefold repetition: what's the minimum number of pieces and/or material points required?

answered Aug 12 at 0:10

Stack Exchange Network

114 Answers

Zugzwang where the side to move must be mated in exactly 2 moves

What moves solve this mate in 2?

Can a unique position be deduced if pieces are replaced by checkers (can see piece color but not type)

On an infinite board, which pieces are needed to checkmate?

Elo loss for resign vs checkmate

Positions where pawn promotion to queen is worse than to other piece

What's the maximum amount of material that a puzzle with unique solution can have?

What is the longest known sequence of forced moves leading to a checkmate for one side?

Can a King and a Knight force stalemate against a lone King?

Fastest possible checkmate by en passant

Ruy Lopez Main Line - Why not Be7 before Nf6?

Find a KNP-KQ endgame in which Black loses

Longest sequence of mutually forced moves

Why would one promote a pawn to a knight?

Pawn giving checkmate

Chess positions that are easy for humans but near impossible or confusing for computers

Five Knights Problem

Why is move 12 a blunder for both sides?

Most mate options after 6 moves

Position where neither player can force an exact outcome

Why doesn’t the computer like my odd queen trade?

How many windmills types exist in chess?

Has there been a game which was drawn with three queens?

(4 Queens + 3 Pawns) vs (Entire Standard Army)

What are some examples of promoting a pawn to a rook or bishop?

Is it possible to have a double self-smothered stalemate?

Helpmate of arbitrary length

Trying to remember a zugzwang puzzle/study position

Two Rooks v/s Queen End game

Threefold repetition: what's the minimum number of pieces and/or material points required?