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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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69 views

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 ...
4 votes
3 answers
3k views

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.
1 vote
1 answer
115 views

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 ...
10 votes
1 answer
2k views

Youngest Player to beat a reigning World Champion?

In September 2022 19 year old Hans Niemann beat Magnus Carlsen in the Sinquefield Cup. On the 19th January 2023 18 year old Nodirbek Abdusattorov beat Magnus Carlsen in the Tata Steel tournament. Is ...
1 vote
0 answers
61 views

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 ...
4 votes
1 answer
194 views

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 ...
3 votes
1 answer
119 views

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 &...
4 votes
2 answers
661 views

What is the fastest possible stalemate by castling?

It is known what the fastest stalemate is. But what but is the fastest possible stalemate in which castling must be the last move? 33 plies is my best result so far. [FEN ""] 1. e4 h5 2. ...
3 votes
1 answer
164 views

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 ...
0 votes
0 answers
85 views

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 ...
7 votes
4 answers
3k views

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 ...
2 votes
2 answers
139 views

Max percentage of mating pieces

In the newest SCHWALBE, positions are given where any piece on the board can give a check (any being surprisingly high). A quick dabbling seems to prove that it is not possible that any piece can mate....
14 votes
4 answers
4k views

What is the shortest possible game with 18 queens?

This question demonstrates a game in which all 16 pawns promote for a total of 18 queens on the board. It takes 80 moves... What is the shortest sequence of moves that achieves this goal?
11 votes
1 answer
445 views

Open problems in chess involving maximum material imbalances

I am posting the present question since here Very unbalanced Chess Positions I have introduced three open problems (i.e., the third one, the fourth one, and the sixth one from the above), regarding ...
9 votes
2 answers
2k views

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 ...
4 votes
2 answers
211 views

Longest *fairy* chess problem

Longest orthodox chess problem One for the specialists. In the newest SCHWALBE I saw some titanic lengths (one problem had 2^59+2^57+3 ~ 10^18 moves!) As you see, this scales with O(2^(n^2)), where n ...
14 votes
3 answers
3k views

Maximum number of pieces on board in dead position

It is possible in a chess game to have a dead position in which both players have all eight pawns, one bishop, and a king--20 pieces total. If the two players' pawns are interlocked in "zig-zag" ...
7 votes
3 answers
693 views

Challenge: Create the longest game determined only by the final diagram and move number

The challenge is to create the longest list of half moves whereby an AI could re-create that list of moves perfectly, only given the ending board state and the number of moves. As example I will first ...
2 votes
0 answers
95 views

What is the longest sequence of increasing White moves with only White pieces?

Inspired by a comment by @Evargalo on this question, I ponder how long a sequence can last where each turn, White has more available moves than the previous turn, in a situation with only White pieces ...
0 votes
0 answers
100 views

What is the World Record for Most Pieces En Prise in a Chess Game?

Does anyone know what the world record is for most pieces en prise in a game of chess is? Edit: I mean in a game that has actually been played, not a constructed game. Edit: by en prise I mean can be ...
6 votes
2 answers
188 views

What position has the most possible moves that all lead to being checkmated?

Inspired by this position from a game I played. [FEN "r1b2rk1/p2p1p1p/2qb1PpQ/2p1p3/2p1P3/5N2/PPnP2PP/R1B2RK1 b - - 0 1"] Black has almost all their pieces, is not in check, and can make 27 ...
3 votes
1 answer
159 views

What is the longest string of moves by one side on one color of the board?

This game was dubbed "White Key Symphony" by chessgames.com for the fact that Karpov made moves on only light squares for 18 moves in a row. Is this still the record for the light squares, ...
1 vote
1 answer
595 views

Both (at least) WGM and PhD/doctorate

Similar to this question Both grandmaster and PhD/doctorate but for at least WGM (WGM, female IM, female GM, etc) Among woman grandmasters, who have PhDs/doctorates? Conditions: standard WGM only eg ...
4 votes
2 answers
4k views

List of female chess players by peak FIDE rating

Update: The answer currently doesn't include countries and other trivia like in the original one. Please consider posting an answer with at least the countries or editing current answer to include ...
1 vote
2 answers
662 views

List of female chess players by peak FIDE rating with countries?

same question as here but with countries please. hopefully we can have a list as close to the original wiki page as possible. I'll start: 1 - Hungary - Judit Polgar - 2735 - 2005-07 - 1976 - N/A - ...
2 votes
1 answer
231 views

Fastest from a complete beginner to FIDE 2200?

There are pictures of Reshevsky playing simuls at a very young age -- I think there is some controversy over his exact age since the younger he was supposed to be, the more interesting. He also, even ...
7 votes
4 answers
1k views

What is the highest number of pieces from one side that can be involved in a checkmate?

What is the highest number of pieces from one side that can be involved in a checkmate? "Involved in a checkmate" is defined below. A non-king piece is involved in a checkmate 'if removing ...
8 votes
2 answers
2k views

Most pieces involved in checkmate in actual game?

I recall seeing a number of chess games where a lot of pieces are involved in the final checkmate, and was curious to know what is the maximum number of pieces of one player A that have been involved ...
12 votes
0 answers
2k views

Highest depth ever achieved

I saw a guy that went into depth 70 with no search moves at 41, 192, 897, 168, and 184 nodes from the starting position on Stockfish a few years ago. I would like to know if this is still a record or ...
5 votes
2 answers
3k views

How many times can the same pawn move be made in a game?

How many times in a game can "the same pawn move" be made? By "the same pawn move", I mean, a move made by a pawn that would be notated the same way. For instance, after 1.e4 e5 2....
13 votes
8 answers
3k views

Both grandmaster and PhD/doctorate

Who have PhDs/doctorates that are also grandmasters? Conditions: standard GM only eg no WGM (see there for WGM version), no International Correspondence Chess Grandmaster no honourary PhDs/...
2 votes
0 answers
75 views

8 pieces on one file in a master game at standard time control?

In today's (21st May 2023) game in the Superbet Rapid and Blitz between Maxime Vachier-Lagrave and Levon Aronian they reached a position where the c-file was fully occupied with pieces and pawns. [...
12 votes
2 answers
3k views

What is the fastest loss by a GM in a FIDE classical game?

What is the shortest FIDE classical game a grandmaster lost? It can be either resigning or checkmate. The opponent doesn't necessarily need to be GM. Forfeits don't count. Only serious games count, ...
-1 votes
1 answer
74 views

Longest sequence of moves where White's number of available moves does not change

There are challenges for the longest sequence of moves in which white's available moves increase or decrease. This challenge is for the longest sequence of moves (from the opening position) in which ...
6 votes
3 answers
251 views

Longest sequence of moves where number of available moves increases

White has 20 available moves at the start of the game. After 1.a4 e5, white has 21 available moves. (The rook has gained 2 moves, while the pawn has lost 1). What is the longest sequence of moves ...
3 votes
1 answer
435 views

Longest sequence of forcing moves?

What is the longest fixed consecutive series of moves for one player such that the other player's response is forced every move? Assume draw rules must be obeyed (threefold repetition, 50-move rule, ...
2 votes
1 answer
65 views

Is there a Chess 960 position in which White's moves can be decreased to zero without check?

Inspired by this question, koedem proved that, from the starting position, White's legal move amount can be decreased sequentially from 20 to 0 in 20 moves. However, doing so required some checks. I ...
6 votes
4 answers
634 views

Longest sequence of moves where white's number of available moves decreases

An easier version of this White has 20 available moves at the start of the game (from the standard position). After 1.h3 h5, white has 19 available moves. (The h pawn has lost the ability to move two ...
1 vote
1 answer
99 views

Roundtrips with no shortcuts

In the picture, you see the longest roundtrip of a rook such that there are no "shortcuts" - imagine the target squares are given, then at each square you have exactly two other given ...
1 vote
1 answer
135 views

Most combative head-to-head World Championships?

Chess.com keep tweeting about how combative this match is. 3 out of 5 games so far have been decisive, more than any other match in the last 10 years. Of course, us old timers remember Reykjavik 1972 ...
5 votes
0 answers
124 views

Earliest 2Q on board

[FEN ""] 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 e6 5. b4 a5 6. c3 axb4 7. cxb4 b6 8. Bxb8 Rxb8 9. Qa4+ Ke7 10. c6 b5 11. Qa7+ Ke8 12. c7 Bxb4+ 13. Kd1 1-0 Let's not analyze this horror too ...
6 votes
1 answer
194 views

Who is the oldest player ever to beat a reigning world champion?

Per title. I'm interested in all time controls. This record isn't in the Wikipedia list of Chess records. Related: Youngest Player to beat a reigning World Champion? which asks for the youngest player....
4 votes
1 answer
972 views

Who are the top 10 youngest players to reach a FIDE standard rating of 2200?

In age order of achieving the rating, who are the 10 youngest players to reach 2200 standard FIDE rating? Prag and Karjakin obviously feature, but who else?
5 votes
2 answers
827 views

What is the longest current tablebase mate with a unique optimal line?

Having been inspired by an article on ChessBase.com, what is the longest current tablebase mate with a unique optimal line? By unique, I mean for each of the winning side's plies, there is only one ...
4 votes
1 answer
252 views

Longest sequence of unique legal moves for one player, always in check and ending in checkmate

I recently played a bullet game, in which I thought I was in checkmate, but then realized I had one legal move, this then repeated again and again 6 times until ultimately I was in checkmate. I share ...
0 votes
2 answers
206 views

What is the maximum total number of piece points possible on the board?

Maximum number of non-pawn pieces on the board notes how to get the maximum number of non-pawn pieces on the board. But what about the maximum number of points possible? It seems like this starts ...
0 votes
0 answers
113 views

Largest round robin ever?

First, I myself played several large (20+) blitz round robins, this is nothing unusual. Thus: only "long" games. Second, oversize round robins were quite common in the good old days (maybe ...
3 votes
2 answers
3k views

What is the lowest ELO ever in history?

I have a lot of questions about ratings, which are sort of connected, but I think I better split them. This is pair 1. I Googled a bit: By definition, ELO>100, and someone said (chess.com) he ...
3 votes
1 answer
156 views

Most "heavy" model mate in a game

A model mate, to recall, is a mate where a) any flight (including the standing place) of the enemy king is attacked exactly once; b) no friendly piece (except king and pawns) idles around. c) (...
-5 votes
3 answers
477 views

How do I find data to determine records like the youngest person to obtain a certain title?

A. Background: Under Mobeus Zoom's suggestion here: List of records for youngest superGMs since 1950? (or 1970 or whenever FIDE started rating people. or basically after 2700s after Fischer) (this is ...