Questions tagged [forced-move]

Questions with this tag can be about why a move is forced, or puzzles/compositions involving forced moves.

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24
votes
5answers
5k views

Longest sequence of mutually forced moves

In this position, the black move 1. ... Qc3 results in two consecutive forced moves, Kxc3 and Ke7: 2rkr3/2p5/2q5/8/8/8/3KP3/3R4 b - - 0 1 1... Qc3 2. Kxc3 Ke7 What is the longest sequence of ...
4
votes
3answers
1k views

A position in which checkmate is forced (obligatory)

I am looking for a position in which all possible moves are checkmate. This means, that if the player does not want to checkmate the opponent, because for example he feels sorry for him, even in that ...
19
votes
4answers
4k views

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

By forced move, it is meant that the player has only one legal move. [fen "7k/q5Q1/p4PPK/6PP/8/5P2/8/8 b - - 0 1"] 1... Qxg7+ 2. fxg7+ Kg8 3. f4 a5 4. f5 a4 5. f6 a3 6. f7# Above is an example with ...
9
votes
4answers
2k views

Longest forced sequence that ends with checkmate and every move is a check

What is the longest move sequence that ends with checkmate and every move is a check by both players?
3
votes
1answer
358 views

What is the highest number of forced checkmates in a legal position?

Having been inspired by a similar question, what legal positions have the most forced checkmates for one side and for both sides?