Questions tagged [records]
For questions related to (world) records in chess, e.g. the longest game (in moves or in duration), highest obtained rating, longest mate in n puzzle, etc.
169 questions
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Any Chess Players with ADHD?
I'm trying to conduct a study to analyze if people with different cognitive conditions have different play styles, make the same mistakes, etc.
I was curious if there were any chess players who are ...
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What is the greatest number of moves a game can be from a checkmate?
I should specify that I'm not asking about the longest forced checkmate (or forced checkmates in general); I am aware that the longest known forced mate is(was?) about 600 moves long, and this is not ...
- 83
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Longest depth for a half-point zugzwang
What is the maximum depth of a half-point zugzwang? Depth is defined as the number of fullmoves it takes for the winning side to win. I know 245 is possible. (Ignore 50-move, 75-move rules).
[Title &...
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Maximum saved moves to win caused by zugzwang
For a zugzwang where x>y and:
If white has the move, White can force checkmate in x full moves
If Black has the move, White can force checkmate in y full moves
The score of such a zugzwang is x-y....
- 1,003
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Longest checkmates in (almost) fully covered boards?
What are the longest checkmates from initial positions which are (almost) fully covered in pieces? Down below I'll give examples of what I mean. An almost fully covered position can't be legal, ...
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Who is the highest rated player to play in the World Junior
As the title says who is the highest FIDE rated player to play in the World Juniors in any year (rating at the time of playing the tournament). In 2024 it was 2627 but 2700chess shows more than 10 ...
- 2,798
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Are all moves or types of moves (see details) in chess possible?
Inspired by this video The rarest move in chess, in which moves are categorized based on the format of their algebraic notation, so for example the rarest type of move (according to the author and ...
- 602
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What's the maximum amount of material that a puzzle with unique solution can have?
It's OK if the position is impossible to reach as long as it's (forward-rules wise) legal, like a board with nothing but 2 kings and queens.
- 602
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Studies with White being on top
"There is an essential distinction between a chess problem and a composed endgame. In an endgame the solver has to demonstrate a win or draw for white against a superior, or at least an equal ...
- 17.3k
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Longest checkmates with the biggest material disadvantages in "open" positions?
We can ask a question:
What are the longest checkmates with the biggest material disadvantages? What, approximately, is the function between length of the checkmate and possible size of the material ...
- 99
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Most delaying moves before checkmate
Consider a position where if was player A's turn, they could make a series of moves ("the mating sequence") with forced mate.
However, it is player B's turn, and they can make a series of &...
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How often can the initial position be repeated under FIDE tournament rules?
Recently a game was played where two GMs swapped kingside and queenside knights and then agreed a draw (and got their just dessert): How often can the starting position be repeated in a game without ...
- 17.3k
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What are the longest "golden sequences" in chess? (sacrificial middlegame attacks)
Initially, I was interested in the question "what are the longest sacrificial middlegame attacks?" ([Kasparov's Immortal] is one of the most famous sacrificial middlegame attacks). But this ...
- 99
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Most mate options after 6 moves
Found this construction problem from '83 and liked it. I don't know the best solution (yet), and maybe you can top it anyway.
Consider the (help) "game" 1.e4 a6 2.Bc4 a5 3.Qh5 a4. Now White ...
- 17.3k
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The 50 moves game
Play the longest game from the starting position such that each
move resets the 50 move rule (i.e. is a pawn move or a capture).
As I see it, each pawn quartet on adjacent lines has maximally 4+6+6+6 ...
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