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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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Most blatant outsider win (single game)

What is the highest rating difference recorded on some megabase where the weaker player won (fair and straight, naturally)? BTW, I am a specialist in this game, in my long chess career I often won ...
Hauke Reddmann's user avatar
-1 votes
0 answers
65 views

Most blunders againist Stockfish

How many blunders in game againist Stockfish chess computer is the record? Because Stockfish won't get your evaluation higher, and blundering takes away a lot of evaluation points, that should mean ...
ILoveSacrificingHorsey's user avatar
1 vote
0 answers
59 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 ...
Hauke Reddmann's user avatar
2 votes
1 answer
182 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 ...
Flowy Poosh's user avatar
3 votes
1 answer
116 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 &...
Steve Bennett's user avatar
3 votes
1 answer
160 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 ...
Hauke Reddmann's user avatar
0 votes
0 answers
84 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 ...
Flowy Poosh's user avatar
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 ...
Hauke Reddmann's user avatar
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 ...
Hauke Reddmann's user avatar
4 votes
2 answers
205 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 ...
Hauke Reddmann's user avatar
2 votes
2 answers
137 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....
Hauke Reddmann's user avatar
0 votes
0 answers
99 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 ...
waltertrentkamp's user avatar
6 votes
2 answers
184 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 ...
Comic Sans Seraphim's user avatar
2 votes
1 answer
223 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 ...
releseabe's user avatar
  • 765
2 votes
0 answers
74 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. [...
Brian Towers's user avatar
  • 97.8k
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, ...
cmgchess's user avatar
  • 2,418
-1 votes
1 answer
73 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 ...
Steve Bennett's user avatar
2 votes
0 answers
94 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 ...
Rewan Demontay's user avatar
2 votes
1 answer
63 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 ...
Rewan Demontay's user avatar
6 votes
4 answers
631 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 ...
Steve Bennett's user avatar
6 votes
3 answers
250 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 ...
Steve Bennett's user avatar
1 vote
1 answer
98 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 ...
Hauke Reddmann's user avatar
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 ...
Brian Towers's user avatar
  • 97.8k
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 ...
Hauke Reddmann's user avatar
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, ...
Rewan Demontay's user avatar
4 votes
1 answer
955 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?
Brian Towers's user avatar
  • 97.8k
4 votes
1 answer
248 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 ...
Mur's user avatar
  • 51
0 votes
2 answers
198 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 ...
aschultz's user avatar
  • 1,388
0 votes
0 answers
111 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 ...
Hauke Reddmann's user avatar
6 votes
1 answer
193 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....
Allure's user avatar
  • 27.6k
3 votes
1 answer
155 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) (...
Hauke Reddmann's user avatar
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 ...
Brian Towers's user avatar
  • 97.8k
4 votes
1 answer
184 views

Moving a piece to a square protected by 5 opponent's pieces

At the 5th round of the 2022 FIDE World Team Championship, in the game between Ivanchuk and Van Foreest, White played the following winning move: [FEN "1n1q2k1/2r1rp1p/pp1b1np1/3pN3/3P4/BP4PB/...
double-beep's user avatar
  • 4,350
11 votes
1 answer
439 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 ...
Marco Ripà's user avatar
8 votes
4 answers
2k views

Longest sequence of unique series moves

Clearly a spawnoff of the preceding question, but far easier to analyze, and maybe helping a bit to solve that one too. Take the starting position, remove all black pieces to simplify and now make ...
Hauke Reddmann's user avatar
5 votes
2 answers
1k views

Fastest stalemate in Duck Chess

Seeing the meteoric rise in popularity of Duck Chess (full rules), I'd like to ask how to stalemate the fastest (from the starting position) in this variant, because the stalemated player wins here. ...
Benjamin Wang's user avatar
1 vote
1 answer
118 views

What is the most number of repetitions in a GM game?

In July 2014 FIDE introduced new rules regarding draws. The arbiter was required to step in and declare the game drawn in cases where the players repeated the position 5 times: 9.6 If one or both of ...
Brian Towers's user avatar
  • 97.8k
4 votes
0 answers
86 views

England team win senior 50+ world team championships and all the board golds - first time ever?

In this year's FIDE World Senior Team 50+ Championship the England team won the tournament and won all four board gold medals: England 1, headed by Michael Adams and Nigel Short, won all four matches ...
Brian Towers's user avatar
  • 97.8k
4 votes
1 answer
197 views

Inspired by Ding's victory over Rapport in round 10th of 2022 Candidate's tournament; victories with a piece not moving at all

So in round 10th of the 2022 Candidate's tournament, Ding beat Rapport, and at the moment of resignation (move 55!), Ding's c8 bishop had not moved from its original square during the whole game. So I ...
emdio's user avatar
  • 2,094
4 votes
1 answer
273 views

What was the highest rated classical game that was lost on time?

Recently, I came across a game Vishwanathan Anand vs Veselin Topalov from Norway Chess 2022. In the second round, Anand who was playing with the black pieces won on time against Topalov as his clock ...
Abhyuday Vaish's user avatar
4 votes
3 answers
1k views

What is the maximum number of moves in a position of Crazyhouse?

We know that the maximum number of moves for a given colour in a legal position of standard chess (or at least record so far) is 218. What is the record we can come up with for Crazyhouse? Note that ...
Mobeus Zoom's user avatar
  • 2,279
11 votes
1 answer
402 views

2 GM Norms in 24 hours - first time ever?

Chess.com reports that 17-year-old Frederik Svane has scored 2 GM Norms In 24 Hours and asks if this is a record: 17-year-old Svane, the youngest of the two brothers (Rasmus recently turned 25), ...
Brian Towers's user avatar
  • 97.8k
0 votes
1 answer
188 views

What is the longest possible sequence of consecutive checks without captures?

The best known answer (54) for arbitrary checking moves is given in What is the theoretical limit for the number of consecutive checks?, but I'm interested in sequences without captures. As usual, the ...
John Tromp's user avatar
1 vote
0 answers
123 views

The king fell off the board

Give a position (White to move) with the bK missing. If it is inserted on any legal square, it is mated in one move by the wQ, with a different mate for each square. (Point of side conditions: If you ...
Hauke Reddmann's user avatar
0 votes
1 answer
72 views

Duplex forced selfstalemate

Ludwig Zagler, Chess Ultimates 12/1974 [FEN "3nBb2/3PRP2/2ppPPpp/2nk2pb/2p2QN1/1r1rBKP1/7q/8 w - - 0 0"] self=1, 7 solutions This is the record (7 variants) for forced single side ...
Hauke Reddmann's user avatar
3 votes
1 answer
461 views

Longest "death certificate"

Give a legal position which is "dead" but would take (assuming the §5.2.2 about dead positions wouldn't exist) maximally long to play out until an automatic draw by fivefold, 75 moves or ...
Hauke Reddmann's user avatar
5 votes
1 answer
1k views

What is the highest possible number of pawn captures in a game?

What is the highest number of pawn captures possible in a game?
minseong's user avatar
  • 908
4 votes
2 answers
166 views

An abstract Top 1 player rating vs time

How the highest Elo rating has been changing over time? Is there such an abstract data? Preferably FIDE rating. I've been trying to find a graph or a table, but all I can find is a list of peak ...
klm123's user avatar
  • 483
3 votes
1 answer
121 views

Two seriesmover stalemate constructions

Easy one: Starting position, but Black never moves. White makes n moves (no checking!) until Black is stalemated. Minimize n. Hint: You don't need to capture all Black pieces, pawns can also be ...
Hauke Reddmann's user avatar
4 votes
0 answers
55 views

Add as many potential moves as possible by move

8/8/7K/p7/R3b2k/6rP/4p3/4B1N1 w - - 0 1 This is an age old record by Shinkman: Black is stalemated if having the move, but the White move 1.Bb4 grants 32 moves. (Don't bother trying to top that...) ...
Hauke Reddmann's user avatar