Questions tagged [checkmate]

Questions relating to checkmating.

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42
votes
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 ...
40
votes
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/...
30
votes
9answers
30k views

What are some of the checkmates with very few moves?

I would like to learn about a few checkmates using very few moves. I know a one where you develop the knight and march it directly towards the King. Does anyone know the name of this mate and suggest ...
28
votes
9answers
4k views

Is it possible to force checkmate with King, Knight, and Bishop vs. King?

If a King, Knight, and Bishop are pitted against the opposing King, is it possible to force checkmate? I find it very hard to do, enough so that I'm not sure whether there's a clean method.
28
votes
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 ...
26
votes
4answers
4k views

How can I prevent checkmate in this position?

It is White's turn to move. How can White avoid a checkmate? [FEN "8/1kpP2q1/1p2P1p1/1P3pP1/5p1K/5P2/6P1/R7 w - - 0 1"]
26
votes
6answers
9k views

What is sufficient mating material?

The FIDE chess rules describe that "The game is draw when a position is reached from which a checkmate cannot occur by any possible series of legal moves" (FIDE rule 9.6). This rules is sometimes ...
26
votes
4answers
1k views

KBN vs K checkmate on nonstandard boards

I know how to win the endgame with bishop and knight, but it is a slippery process and seems to be just barely a win, with the enemy king very nearly escaping. For this reason, I am curious about the ...
23
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5answers
4k views

Is it a draw by insufficient material if the board is K vs K, N & N?

It isn't possible to force checkmate with King vs. King, Knight & Knight. A checkmate position, however, is still possible to achieve, so does that mean the 50 move rule applies, or does ...
21
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2answers
26k views

How do you checkmate with the pair of bishops?

How do you checkmate with the pair of Bishops and King versus King? Are there any stalemates to look out for? What are the key ideas / positions / tricks to make it work? Thanks!
20
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5answers
104k views

Is it possible to checkmate with knight and king against king?

I would like to clarify two things: Is it possible to checkmate with only a knight and a king against a lone king? What will happen when one side has a king and knight and the other has just a king, ...
20
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5answers
55k views

When you check someone, do you have to say “check”?

Yesterday I was playing with a friend, I was almost out of time, he checked me, didn't say anything, I didn't see the check as i was in a hurry to make my move. And I was mated. Computers don't let ...
20
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1answer
2k views

What is the solution to this mate in 2 puzzle?

What could be the answer to it?
20
votes
1answer
11k views

Why is it illegal to move into check?

In chess, it is against the rules to move into check, or to not move out of check. But why? Obviously, if you went against this rule, you'd immediately lose. But it seems strange to make it illegal to ...
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 ...
18
votes
4answers
5k views

How often do grandmasters miss checkmate?

Although top players are extremely good at finding checkmate, the number of permutations of moves in just 3 moves can be hundreds of thousands, and the farther out the possible mate (e.g. mate in 4, ...
18
votes
1answer
2k views

How many such positions are there? (chess/math checkmate puzzle)

I'm interested in this kind of position: There are only 4 pieces on the board. If Whites goes first, they can checkmate in one move. If Blacks goes first, they can checkmate in one move. For example: ...
17
votes
4answers
8k views

What's the etiquette for giving checkmate on board?

I wonder what is considered to be a polite way of giving mate on board. Should one announce the checkmate? If so, should one press the clock after making the move, or stop it, or simply do nothing? ...
17
votes
4answers
2k views

Fastest possible checkmate by en passant

En passant is somewhat of a rare move in chess. Checkmating by en passant, however, is an even rarer occurrence. But suppose both sides had the same goal to help cause a checkmate to their opponent ...
17
votes
2answers
2k views

What is the shortest known GM level OTB game to end with checkmate?

What is the shortest known on the board game played between GM rated players that ended with a checkmate? "Shortest" does not mean the game has to be very short. Note: Edited this question twice ...
16
votes
4answers
9k views

How is this checkmate?

So I'm somewhat of a new player to chess and I'm currently reading a chess book which is explaining all the different terms. In one instance it describes what stalemate is; "If your opponent has no ...
16
votes
3answers
6k views

Can a player resign after checkmating their opponent?

A friend of mine recently told me that once, he checkmated his opponent and then immediately resigned, because he thought his win unfair. This happened in a FIDE-rated tournament. Searching the FIDE ...
16
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5answers
29k views

How do you checkmate with a rook?

How do you checkmate with a Rook and King versus King? Is there a good and fast method? Can you explain it in a good way? Thanks!
15
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4answers
3k views

How many different ways are there to checkmate in the early game?

We all know the shortest possible checkmate is 4 ply: f3 e5 g4 Qh5# This isn't the only possible move order. In fact, there are 8, depending on whether white moves the f or g pawn first, whether he ...
15
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2answers
3k views

What moves solve this mate in 2?

It’s White to move and mate in 2 moves. [FEN "7r/1p3Q1p/2q5/3bk3/1Q2p3/2P5/r2P2PP/2KR4 w - - 0 1"]
14
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3answers
10k views

Checkmate with two knights?

Is it really possible to checkmate with two knights and king against a king? There is a mating position with this but no extra tempo to do it in real game. What are the explanations, why knights ...
14
votes
4answers
985 views

Is it possible for a white piece to deliver check to the black king, but for black's counter move to result in white getting checkmated?

Is it possible for a white piece to deliver check to the black king, but for black's counter move to result in white getting checkmated? Has this happened in games between top players?
14
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3answers
238k views

With only a king left, how many moves remaining until a draw?

I am a beginner in chess. If I have only a king left, how many moves does my opponent have to mate me?
13
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2answers
2k views

What is the shortest number of moves from the starting position required for Black to mate White with a pawn?

Interesting puzzle that is quite hard to stop.
12
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2answers
4k views

Games where a pawn checkmates the king

Could you please refer some examples of game where, on the last move, a pawn checkmates the king (preferably from grandmaster's games)?
12
votes
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 ...
11
votes
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 ...
10
votes
1answer
8k views

How is this situation not a checkmate?

According to the chess app I am using, this is not a checkmate against black: [FEN "1rk4r/1p6/3p3q/Q1pPbRnP/p1P3B1/P6P/1P4R1/7K w - - 0 1"] 1. Rf7+ How is it not? I think the black king is ...
10
votes
4answers
1k views

En Passant Checkmate

I made a check with a pawn that was subject to an en passant movement. The check led to a checkmate, but the rules at chess.com didn't count it as a checkmate but let the opponent make his move. He ...
10
votes
4answers
624 views

Can you mate with each of your 16 pieces on its original square?

An opinion poll conducted by problem composer Roberto Osorio over 10 master-level chess players in the Argentine Chess Club produced 100% wrong answers! :-) When the right answer is posted here, I ...
10
votes
2answers
259 views

What makes a contemporary chess problem decent?

One can set up some pieces and concoct a situation that has, say, a mate in 3 (yes, I know it is not straightforward, but if you sit for a few hours you can do it). Such problem would probably not be ...
10
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2answers
1k views

When checkmate is impossible in a position

Edit This question is not a duplicate, as mentioned in my comment. The linked supposedly-duplicate question addresses neither my below question #1, nor question #3, nor question #2 except tangentially ...
9
votes
4answers
9k views

Is it possible to castle with checkmate?

I am new to chess. Please answer this for me: Is it possible to castle with checkmate?
9
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2answers
373 views

E.Umnov's chess problem, 1944. Checkmate in two moves

White to play and checkmate in two moves. [title "E.Umnov's chess problem, 1944"] [FEN "k7/5QK1/3n1pb1/1R1p1r2/5p2/8/1p6/4R3 w KQkq - 0 1"]
9
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2answers
2k views

Forced checkmate examples where engines fail

Do you know example where recent chess engines (Houdini, Rybka, Komodo, ...) failed to find a forced checkmate. I guess they must find mate in 1 or 2 all the time but maybe are they failing to be as ...
9
votes
1answer
2k views

What longest number of moves for a forced mate position (including draw rules)?

What is the longest (currently discovered) number of moves for a forced mate position where players will use both the 50-move draw rule and the 3-fold repetition rule if it will help them avoid losing?...
9
votes
4answers
2k views

Is this a checkmate for White?

[FEN "8/3RkQ2/3B4/8/8/8/8/8 w - - 0 1"] Is there a way out for Black? My son and I finished this way (only the relevant parts of the position are shown in the diagram), but reading about stalemates ...
9
votes
1answer
801 views

What is the order of actions in chess under FIDE rules?

Reading some recent posts about the 50 move rule made me realize that I've never seen an explicit order of actions for chess. By way of comparison, the order of actions in Monopoly is given here: (1) ...
9
votes
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 ...
9
votes
1answer
257 views

How many queens can be on the board without neither forced mate nor forced stalemate (53?)?

I was wondering how many queens can be put on boards without the position being forced mate or forced stalemate. The best I came up with is 53 in position bellow: [FEN "QQQQQRK1/QQQQQPr1/QQQQQRNk/...
8
votes
6answers
4k views

Moving into check for a draw as black, why is it illegal? Comparison to Racing Kings

I am confused why you cannot move into a check when it can force your opponent to capture your king and expose theirs. In such a case why is there no extra move to result in a draw? In the "Racing ...
8
votes
6answers
2k views

Are there any grandmasters who always play until checkmate?

Are there any high-level players who are either known for playing games out until the bitter end or have done so in famous circumstances? Is this considered poor etiquette (I'd imagine it would be ...
8
votes
6answers
918 views

At what playing strength level should one be able to mate with King Bishop and Knight vs King?

As in title above, at what playing strength level should one be able to mate with King, Bishop and Knight vs King without much effort (with reasonable time left for the game)?
8
votes
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"]
8
votes
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 ...

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