Questions tagged [checkmate]

Questions relating to checkmating.

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1answer
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If I have only a king left and two blocked pawns, how many moves does my opponent have to mate? [closed]

I have only king left with two pawns but they are blocked. By how many moves an opponent has to checkmate me?
1
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1answer
171 views

Could the black king move to C5?

Could the black king move to C5?
2
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4answers
481 views

Should one actively search for a checkmate ('hunt the King') in the middlegame? [closed]

My usual middlegame strategy is to gain an advantage, however small (say a pawn), and convert it to a win in the endgame. I position my pieces and plan attacks accordingly, so that I can grab the ...
3
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2answers
327 views

Longest forced win with just a Knight or Bishop

A single knight or bishop usually isn't enough to force checkmate. However, I know there are certain positions where the defending side has his king in front of a rook pawn where a win can be forced. ...
6
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2answers
674 views

What is the longest forced mate optimally played in documented competition?

There are tons of questions about the longest forced mate on here and other chess forums. Usually the answers are the 2 Knights forced mate and another one that evidently takes 549 optimal moves. ...
3
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1answer
317 views

Is there a way that white can survive for six moves in this position?

In the below position, taken from the end of the game McDonnell-Bourdonnais, black must win. Is there a way that white can survive for six moves? I only know some ways that white can survive for five ...
3
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2answers
496 views

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

What is the most number of pieces from one side that can be involved in a checkmate if we define 'involved in a checkmate' as follows? A non-king piece is involved in a checkmate 'if removing it ...
0
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1answer
178 views

How to checkmate in an altered version of chess

If you know the name of the chess variant I'm trying to describe, please leave it in the comments. My friend and I have concieved an (most likely already thought up, nevertheless very fun) idea of ...
42
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4answers
14k views

Win the game by just moving king?

How short can a game be in which (after the first move) one player moves only his King, and yet checkmates their opponent? (Assume that the players co-operate: i.e. this is a kind of "helpmate". This ...
11
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7answers
912 views

Helpmate of arbitrary length

One of the FIDE rules states that if someone's flag falls, and there exists a legal sequence of moves such that the other player mates the first player, then the position is a win for the second ...
40
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2answers
7k views

How is this position possible in a normal game of chess?

A friend of mine gave me this problem. It goes like this. In a normal game of chess, the white player checks the black's king with a rook and a bishop as in the following image. 8/8/8/8/8/7k/8/...
2
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1answer
260 views

The chess.com engine didn’t show a checkmate

I've attached a screen shot of my game. It is Black’s turn to move. Their king was under check, but not checkmate, as the website didn't show mate. After awhile, Black had to resign due to not being ...
4
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3answers
193 views

dark-squared Bishop in KID

In the typical KID black tries to play for a mating attack. Consequently, the dark squared bishop usually ended up sleeping on g7 or sometimes reroute itself to defended the d6 pawn which is critical ...
8
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1answer
609 views

Chess challenge from a newspaper in 1927 (win in 2 moves)

I have been trying to solve this for a long time, but can't find a solution. How can white force a checkmate in 2 moves? 1R6/4p3/2pkB3/4n1N1/8/1N2K1B1/8/8 w - - 0 1
4
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1answer
643 views

Checkmate in 6 moves

Can somebody tell me the right six moves, and what has to be done? This puzzle was created vy Fritz Giegold and published in Zeit-Magazin in 1976 [FEN "n1N3br/2p1Bpkr/1pP2R1b/pP1p1PpR/Pp4P1/1P6/...
12
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3answers
4k views

Checkmate with King and Knight vs King and Knight

I just have a quick question. I was playing on chess.com and got into the following position: [FEN "8/4n/6k1/8/K2/3N1/8/8 b - - 0 1"] Now, I assumed that once we traded off the last pawns, the game ...
2
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3answers
316 views

Is this an Anderssen's mate or Opera mate?

Is this an Anderssen's mate or Opera mate? According to Wikipedia, Opera mate uses losing's side pawn to restrict its own king. In this position, f7 fulfils that requirement. But it also fits the ...
4
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4answers
691 views

Have famous grandmasters ever been checkmated?

Whenever I watch chess games played by grandmasters, they usually resign far before reaching checkmate (often even before a forced checkmate occurs). However, I wonder if there are recent examples of ...
3
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2answers
353 views

Can you save white from checkmate?

Is white able to recover/win this game after these moves? And then black takes the bishop: White resigned after this, what would you do?
8
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4answers
739 views

Finding checkmate sequence / Successful attack completion

Among my weaknesses (which I am aware of), the most irritating and the most important for me, at this point, is "checkmate blindness", whether because of time pressure or because of any other reason. ...
0
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1answer
179 views

Stalemate or checkmate?

I have a rook, a queen and my king while my opponent has only 2 pawns and king left. The situation is complicated because they cannot move anything, except for a single pawn move. But if they move ...
1
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2answers
2k views

Can I capture my own piece?

This may seem like a very amateur question, but I was playing chess with my dad, and when my dad won, I realized that I could've captured my own pawn in order to evade checkmate. I tried to do this ...
1
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2answers
914 views

Can King take piece end up threatened?

In this position black queen defended by pawn checked white king. Is it possible if the white king take black queen and end up threatened by black pawn?
7
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2answers
2k views

Could two kings force checkmate against a lone king?

I was looking at minimal combinations of material needed to force checkmate (K+R, Q+B, R+N+N, etc). You end up with a sort of threshold of how much material is needed, and that sort of assigns a ...
8
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4answers
390 views

Checkless Chess

Is there any material difference between chess the way it is now versus doing away with check and checkmate and defining victory as simply capturing the opponent's King, assuming an available King ...
2
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2answers
968 views

Instead of giving checkmate, I gave stalemate. Why?

I am a beginner, and I have just discovered this annoying stalemate. I got the definition but while playing, I ended up with a stalemate and I don't know why, could you help me and explain it to me? ...
19
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2answers
3k views

Is three knights versus knight really winning?

Take a look at the following position, reached in the #40974 Tactics Problem on chess.com [fen "4N1K1/5P2/6k1/8/6n1/8/N7/8 w - - 0 1"] The engine gives +6.22 for white in this position. I already ...
0
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2answers
237 views

Where can I find a list of all theoretically possible piece combinations where checkmate is possible? (e.g. bishop and knight and pawn vs knight)

There are obvious ones that I know, like queen and rook (or either) vs lone king, and I also know you can't checkmate with only a bishop or knight, for instance. But what if you have a rook and ...
1
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2answers
203 views

How to determine checkmated positions using DOS/CMD, from numerous FEN/EPD chess positions?

I have a collection of checkmated chess positions, in FEN/EPD format. Most of the time, each of these positions contains some useless pieces, that I really want to remove, in the aim of getting ...
5
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1answer
1k views

What are minimum number of moves needed to checkmate a king using king and rook?

Assuming that both players do the best move, I want to know the minimum number of moves needed in the worst case scenario when checkmating a lone king using king and rook. Edit: The worst case does ...
0
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1answer
178 views

Is White checkmated? [duplicate]

Does Black's pinned knight on g4 protect the bishop on f2 from the white king? B2N4/8/3p2p1/Q2P4/4R1nk/7b/PPP2bpP/1R4K1 w - - 0 1
3
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6answers
666 views

How is this position a draw?

I played against a bot as a White and had this position. The computer claimed that it's a draw. [FEN "2Q/k/3QP/8/3K/8/8/1N - - - 0 1"] I thought it would be a checkmate because wherever the Black ...
3
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2answers
627 views

Is there a list of ALL potential mates/traps under 10 moves or so?

Wiki has a couple of pages on opening traps, but I get the sense there must be more, and these are just representative samples: List of chess traps Checkmates in the opening PS. The "10 move" limit ...
7
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2answers
1k views

Mate With 3 Knights

How do I checkmate with 3 knights? I know 2 is a draw, but with 3 is not.
2
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5answers
535 views

Pinned Vs. Checkmate

So say my queen is pinned in front of my king by the opponents rook. However if I move my queen to check their king it is certain checkmate, is that legal? I'm not sure because I'm intentionally ...
2
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1answer
140 views

How to complete a checkmate in this game?

I have seen the ending position of this game in between Nakamura and Harikrishna. I sense a checkmate is close, but can't figure out what white should do after Qxg7. Please tell me how to complete the ...
2
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1answer
615 views

Moving into check?

I will try to be specific. I was playing a game, and the only piece my opponent could move was their king. It was taking forever for me to checkmate the king. I had a queen, two rooks, and a few pawns,...
6
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1answer
420 views

Checkmating with two bishops

Let White have the two bishops. Given any setup, has the maximum number of moves to forced mate been calculated? If not, are there any bounds on this number? Of course, information on extensions of ...
5
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1answer
172 views

Steps to checkmate in my endgame position

There is a black bishop at a4, black queen at b4, a black king at e5 and a white king at c1. There is a checkmate in 3 moves. I want to know what the moves are. [FEN "8/8/8/4k3/bq6/8/8/2K5 b - - 0 1"]...
2
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1answer
1k views

Check and checkmate on following moves

I was playing chess with a buddy, and I put him in check. On the following move, without moving his king out of check, he moved a rook to put me in checkmate. My questions are as follows: Can he ...
3
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1answer
189 views

Sufficient mating material, less a king?

As an extension to this question about can a rook and knight without a king stalemate a opposing king, and the traditional minimum-mating-material question, I had a puzzle question: What are the ...
8
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3answers
475 views

Problems: record for most mates-in-2

Does anyone know what the record for most mates-in-2 is for a composed problem? Example: this one has 58 different moves that mate in 2. [FEN "6R1/8/8/8/3Q3B/5K2/7k/1R6 w - - 0 1"]
28
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3answers
5k views

What is the highest number of different mates in 1 you can have in one (legal) position?

A friend and I yesterday asked ourselves what the highest number of possible mates in a (legal) position is. We were able to come up with the following position which has a total of 76 unique mates in ...
9
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2answers
881 views

What are the shogi equivalents of Fool's and Scholar's mate?

In western chess, the Fool's mate and Scholar's mate are two well-known mates that take very few moves from the starting position. What would be the shogi equivalents to these, or more generally what ...
7
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4answers
350 views

A quiet mate in two

I teach chess to children and a colleague of mine told me of this position to show to the kids. Black plays and gives mate in two. It seems an easy position but the children I teach had difficulties ...
6
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5answers
3k views

Is it ethical to force a draw via perpetual check? [duplicate]

I was playing this game. I was white. We reached a point where my opponent could checkmate me in one move (by moving Rook to C1) but I forced him to a draw by stating that I would constantly check him ...
3
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2answers
920 views

Four way chess - checkmate

My friends and I have been playing knightmare chess in a four player variant. We were playing with the stipulation that when a player is checkmated, after his turn he removes his king from the board ...
3
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4answers
9k views

Check for checkmate

So I am implementing an intelligent chess agent but I can't get the checkmate working. I was wondering if there is a program that takes the chessboard notation and returns a result of yes or no to ...
4
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7answers
2k views

Is it true that at any time only one piece can put king in check?

I am writing a simple chess game in which I have to determine the end game conditions. My algorithm requires the piece that is putting the opponent king in check, and checks the following: King ...
4
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3answers
586 views

Is any chess software specifically for forced mates?

Is any chess software specifically for forced mates? In particular, such software can only prune the search tree when it can prove that the the move doesn't affect the existence of length of a ...