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Results tagged with records
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user 10380
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.
4
votes
Position with the most (or many) distinct refutations?
This is answered in Sir Jeremy Morse's Chess Problems: Tasks and Records, already cited by Professor Elkies. …
- 6,640
2
votes
Position with the largest material imbalance that is a draw, no matter whose turn it is?
For a draw by insufficient mating material (rather than stalemate), one possibility is king and nine bishops, all on squares of the same colour (eight of them promoted) versus bare king.
- 6,640
3
votes
Accepted
Latest time to castle in a tournament game
This web page claims that "[the] latest castling was performed on move 48 in two games: Neshewat – Garrison, Detroit 1994 and Somogyi – Black, New York 2002."
According to https://www.chessgames.com, …
- 6,640
4
votes
What is the longest current tablebase mate with a unique optimal line?
Guy Haworth gives an answer to this in his Chess Endgame Records.
[fen "8/8/7p/7n/k7/8/2K5/3R4 w - - 0 1"]
1. Rd4+! {dtc/m/z = -26/-49/-17m} Ka3 2. Kd3! Kb3 3. Rd6! Kb4 4. Kd4! Nf4 5. Rb6+! Ka5 6. …
- 6,640
7
votes
Accepted
The highest amount of moves by the losing side in a zugzwang
The following are full-point zugzwangs, so both sides are losing if either moved!
[Title "Noam Elkies. EG 128, Apr 1998, p.53, 10967 (v)"]
[StartFlipped "0"]
[fen "8/8/k7/8/K7/RNbn4/B7/1R6 w - - 0 1" …
- 6,640
4
votes
The highest amount of moves by the losing side in a zugzwang
If you allow promoted pieces in the diagram: The following is a half-point zugzwang.
[Title "half-point zugzwang: WTM draws. BTM loses in 14"]
[StartFlipped "0"]
[fen "3q4/8/4q3/2Q5/k7/8/8/2K4Q b - - …
- 6,640
6
votes
Accepted
What is the longest possible series of consecutive captures?
Here's an example of 30 successive captures (White's 3rd to Black's 17th). It is the solution (from White's 3rd onwards) of a massacre proof-game found by Gerd Wilts & Norbert Geissler.
[Title "Gerd …
- 6,640
18
votes
Accepted
Problems: record for most mates-in-2
Sir Jeremy Morse, in Chess Problems: Tasks and Records, Introduction, cites this construction by E. Luukonen:
[Title "E. …
- 6,640
20
votes
What is the highest number of different mates in 1 you can have in one (legal) position?
Anthony Stewart Mackay Dickens found another solution, also with 105 mating moves, but with only 17 units in the diagram (16 white and the black king):
[title "Anthony Stewart Mackay Dickens, The Pro …
- 6,640
1
vote
What is the highest number of pieces from one side that can be involved in a checkmate?
Here's another way to involve all 16 White units. This time the check is orthogonal.
[Title "All 16 White units in the mating-net"]
[fen "r2N1R2/1p2pn2/PBB1P3/Q4kPP/8/5nPK/PNPP1R2/q1r1b3 w - - 0 1"]
[ …
- 6,640
6
votes
Longest forced sequence that ends with checkmate and every move is a check
The question asked in the title is different from the question asked in the body.
If it is required that every best option is check, but it is allowed for the players to have non-checking alternative …
- 6,640