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.

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3answers
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Longest sequence with only moves to draw without a repetition

What is the longest known sequence of moves with upto 6 pieces where each move of both sides is the only move drawing the game (any other move would lose the game) ? There should not occur any ...
3
votes
2answers
520 views

Longest way to mate with 1 queen against 4 queens

What is the longest way to checkmate with 1 queen against 4 queens, with no other pieces on the board? Since there are 13 moves long games with a queen vs two queens, I conjecture this should be ...
3
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1answer
402 views

Longest DTM in the endgame KQPPKQ

What is the longest DTM in the endgame queen and two pawns versus a queen (KQPPKQ? This position is a mate in 167 moves. [FEN "8/k7/6K1/1Q6/8/P6q/7P/8 w - - 0 1"] Are the DTC and/or DTZ ...
3
votes
1answer
261 views

Maximum number of captures in a position

I was wondering what is the maximum number of captures in a position, either in a real game or a puzzle
2
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1answer
408 views

Which international tournament chess game has the record of longest sequence of forced moves until checkmate?

I want to know which international game has the longest sequence of forced moves until checkmate, even if the opponent resigned the game. Thanks in advance. Note : Result should not be drawn [1/2 - ...
9
votes
7answers
353 views

Position with the most (or many) distinct refutations?

I'm looking for a chess position, hopefully not too contrived, in which it's Black's turn, he has several moves, but each one is refuted by a mate by White. I know I could take any mate-in-two ...
7
votes
3answers
1k 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?
6
votes
3answers
261 views

Maximum number of non-pawn pieces on the board

In a reachable game, what is the maximum sum of queens, rooks, bishops, knights, and kings on the board? For queens only, see Maximum number of queens possible
19
votes
5answers
2k 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 ...
11
votes
3answers
2k views

Maximum possible movement in a turn

I've read that for any position, there are on average approximately 35 possible moves. But what's the maximum number of possible moves for a position?
11
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3answers
3k views

Shortest possible game with 18 queens?

The selected answer to this question shows a game in which all 16 pawns promote to queens so that there is a total of 18 queens on the board. It takes 80 moves... What is the shortest sequence of ...
9
votes
7answers
11k views

Longest chess game possible (maximum moves)

What is the longest chess game possible in terms of chess moves? I read somewhere that there is a theoretical maximum of 5949 moves. But I don't see any proof and I don't think it is correct. Can it ...
10
votes
1answer
1k views

Mate in N. What is the largest N known?

What known position has one side with a forced mate in N moves, with N the largest? I came across one with 517 moves using only 7 pieces, so there should be much be larger. (Ignoring the 50-move rule)....

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