Questions tagged [checkmate]

Questions relating to checkmating.

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14
votes
5answers
6k views

A position with the only legal move resulting in checkmate

Theoretically, is it possible that for some position, the only legal move for a side leads to a checkmate (that is, the opposite king gets checkmated)? If so, has this ever occurred in a real game?
2
votes
1answer
128 views

Checkmate with 3 bishops vs 1 bishop

I know that you can mate with two bishops, but I do not know whether it is possible if White has 3 bishops, and Black has 1 bishop. Is there a general method? If so, is it possible for White to ...
0
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0answers
34 views

Two Knights checkmate [duplicate]

Even though there are positions on the chess board with two knights checkmate by bringing the king in the corner, why it is not possible to checkmate the King? Is it difficult to bring the opponent ...
6
votes
1answer
1k views

Forced mate: 2 queens vs king

On the board, there are 2 queens (of the same color) placed on random squares. The opposing side has only a king, placed on a random square (and not in check). There obviously exists a mating sequence....
26
votes
9answers
11k views

Why is it not a checkmate?

I am new to chess. I have tried to learn checkmate from the video lesson in chess24 website. There, in one question, it marked my answer wrong and said that it was not checkmate. Can anyone please ...
5
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3answers
2k views

King+Knight vs King+Pawn checkmate

How is it possible for a King and Knight to checkmate a King and Pawn? I've composed a working position, but I am not sure if this can occur through a series of moves.
5
votes
1answer
1k views

What is the maximum number of checked squares on a board that delivers checkmate without a draw?

I’ve long dreamt of delivering a “super checkmate”. Imagine that as his dying wish, when in checkmate, the king can magically transport himself to any open square on the board. What is the board ...
1
vote
1answer
247 views

What is the longest checkmate problem a human has composed?

Well, I looked at some long checkmates, and I wonder, what is the longest checkmate a human has composed?
4
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1answer
66 views

What is a good free interface to create and store positions?

I'm getting back into chess, and I'd like a way to create and store multiple chess positions to review. Specifically, I want to review and practice mating nets. There are a ton of chess tactics sites ...
0
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0answers
61 views

Forced mate in 'n' from opening [duplicate]

Advanced chess engines can report a forced mate (for some given position) within a huge number of moves. For example, mate in 40 or 50 is not unheard of. Theoretically, is it possible that there ...
3
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2answers
158 views

Rook+Knight Endgame-Play For Checkmate?

I found myself in this position as Black during a recent endgame situation with White to move. [FEN "8/7k/2R4p/2p3p1/2N2p2/P4PnP/1P2r1K1/8 w - - 4 43"] What is a good way to approach ...
0
votes
1answer
168 views

Checkmate without check beforehand

[Title "fucccommies-Diam0ndJake, chess.com, 7/8/2020"] [FEN ""] 1. e4 e5 2. Nf3 Nf6 3. d4 Nc6 4. d5 Nd4 5. c3 Nxf3+ 6. Qxf3 Be7 7. Bb5 O-O 8. O-O c6 9. dxc6 bxc6 10. Bc4 d5 11. ...
3
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1answer
168 views

How often do grandmasters fail to mate soon when mate in five or less is possible?

The recent question, How often do grandmasters miss checkmate? , turned out to be a bit broad. This question asks about a simple subset of that one, which I hope can be answered with some precision. ...
19
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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, ...
2
votes
3answers
410 views

Can White defend and possibly win?

[FEN "1nkr2nr/pppp2pp/2b2p2/3q4/3P4/1NQ5/P1P2PPP/R1B1R1K1 w KQkq - 0 1"] Can White possibly win in this position and avoid a queen mate on g2?
4
votes
3answers
2k views

Checkmate with king, knight and bishop

Today I was playing on a game on chess.com. In that game I lost by time. [Event "azarigoli vs. vitthal20043"] [Site "Chess.com"] [Date "2020-06-11"] [White "azarigoli"] [Black "vitthal20043"] [Result ...
10
votes
1answer
307 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 a forced checkmate or a forced stalemate. The best I came up with is 53 this position. [FEN "QQQQQRK1/QQQQQPr1/...
16
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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 ...
2
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1answer
62 views

Can one mate a lone king with Bishop and two knights without being aided by the attacking king?

In order not to overload the answer to this question, I split off the bishop+two knights part. So the question is: Is it possible to mate with a bishop and two knights without the help of the king?
9
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2answers
260 views

Which piece combinations can mate a lone king without being aided by the attacking king?

Clearly not a practical question since the king can and should be used in the endgame, but I was curious if anyone has done a comprehensive analysis of which combinations of pieces (including some ...
1
vote
1answer
195 views

Mate-in-10 that Stockfish missed!

Stockfish 10+ at depth 19 evaluated this position as a draw: [Title "White to play and mate in 10"] [FEN "r1b2r2/5pk1/pq2p3/1p5Q/3p1P2/P2Rn1NP/1P4P1/7K w - - 0 28"] However, it is actually checkmate ...
4
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2answers
124 views

Knight and King vs Queen and King

Can the knight and king in anyway mate a queen and knight? I was recently playing a game which I lost. The player with the king and queen was playing suboptimally. On the last move I captured a pawn ...
7
votes
2answers
1k 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 ...
1
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2answers
139 views

Checkmate possibility for Black

In this lichess game, in the given analysis line for move 32, is it possible for Black to win in two moves after 35... Kc7? [FEN "8/R4k2/2p3p1/2N4p/3n4/3P1pPb/PP3P1P/6K1 b - - 0 1"] 1... Ke8 2. Ra8+ ...
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"]
0
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2answers
83 views

Stalemate v/s Checkmate

I am unable to understand why Photo 1 a stalemate and Photo 2 a checkmate. PHOTO 1 PHOTO 2
26
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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"]
9
votes
2answers
295 views

Outside-the-box mate-in-one challenge

I've received an (I would say impossible) mate-in-one challenge and I have already checked all movements, but couldn't solve it yet. It came from a trustable source and they say you need to think ...
4
votes
1answer
418 views

Problem with a shorter solution

I'm looking at this problem. [Title "White to move. Mate in three"] [StartFlipped "0"] [fen "5rb1/1p1P1pbr/1p5p/5N/PP2k/1Np3QB/6K/8 b - - 0 1"] It requires white to mate in three. The accepted ...
0
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4answers
358 views

A chess problem: White to play and mate in two

White's turn, checkmate in two moves [FEN "r1b2k1r/1p2bppp/p1B2q2/8/8/8/PPPQ1P1P/2KRR3 w - - 0 1"] How does White deliver checkmate in 2 moves?
6
votes
1answer
189 views

Looking for an opening that had been wrongly evaluated for years

I'm looking for an opening I saw in a book (not a chess book). The opening was about 10 moves long, and the author stated that the evaluation after the last move shown had been considered for many ...
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)?
1
vote
1answer
85 views

Checkmate via en passant capture [duplicate]

I tried to get the smallest sequence of moves that would result in a checkmate*( or rather Helpmate)* with the last move being a en passant . This is the shortest I could get : [Title "Shortest En ...
4
votes
3answers
3k views

Do the rules of chess state that a Bishop+King can be sufficient mating material?

A famous recent example of this ending happened last year between Carlsen and Firouzja. Here, Firouzja time ran out, so Carlsen won [Title "Alireza Firouzja-Magnus Carlsen, World Blitz Championship,...
2
votes
1answer
205 views

What is an example of a very difficult one-move checkmate? [closed]

Usually one-move checkmate puzzles are easy. However, I am wondering if there is a relatively more difficult one-move checkmate puzzle. Here are a few thoughts: There are many legal moves. One or ...
1
vote
2answers
145 views

Is there a way to prove a checkmate in 3 problem is not solvable?

I have been working on a checkmate-in-3 problem for a long time. So long that I am becoming convinced it is not solvable. Is there a way to prove it is not solvable? I want to avoid putting the ...
2
votes
1answer
226 views

What is the longest tablebase win that includes draw rules?

It has been asked the longest mate that includes draw rules is, and it is known what the longest tablebase mate is. However, what is the longest tablebase mate, i.e. 7 pieces or less, that accounts ...
1
vote
0answers
32 views

What is the longest amount of moves before an inevitable checkmate? [duplicate]

When most pieces are gone, inevitable checkmates often occur and are usually presented in the form x moves until checkmate. However, what is the biggest valid possibility of x. (By valid I mean that ...
7
votes
1answer
3k views

Why did black resign in this game?

Watching this video, it seemed after the highlighted point in the video that black was doomed, but from my view it was just materiel? After the exchange, white would have taken a rook and the queen (...
3
votes
1answer
2k views

Why does the black king evade to f8, and not to h7?

I'm trying to practice with the app https://f-droid.org/en/packages/jwtc.android.chess Why does the black king go to f8, and not Kh7 instead? [FEN "r2rb3/1p2RBk1/2pP1ppR/p7/P7/7P/1q3PP1/3Q2K1 w - - ...
3
votes
1answer
1k views

Illegal move or checkmate? [duplicate]

I was playing chess with an opponent. He had his queen in front of his king. I attacked the queen and he moved her, exposing his king directly to my rook. It was my turn to move, not his. We couldn't ...
2
votes
1answer
992 views

Would an erroneous claim of mate be considered as annoying the opponent, cheating, an illegal move, or something else?

Especially in kiddie games, mates are often missed or supposed mates are not really mates. What would the TD declare such misguided claims of mate? What should a TD do if adults did the same thing?
7
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2answers
219 views

Inaccurate checkmates?

So, in a tournament, my daughter recently had a case where her opponent made a move and declared checkmate. She acquiesced, shook his hand, and then realized it wasn't actually a checkmate. They ...
17
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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? ...
2
votes
2answers
202 views

What's this mate called?

I've blundered and had this played on me before. Is there a specific name for the mate? [FEN "8/8/8/8/1n6/8/qPP5/1KR5 w - - 0 1"]
3
votes
2answers
1k views

Why does Lichess mark this move as “?!”?

I was looking at this game on Lichess, where it says "Checkmate is now unavoidable. Best move was Kc4." As far as I can tell, checkmate was already unavoidable, including after Kc4. Namely, Black can ...
2
votes
1answer
135 views

Is this checkmate?

[fen "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"] I recently started playing chess and was doing some puzzles online. It says that this move is checkmate but I don't see why white can't move to ...
3
votes
2answers
323 views

Which is better, going for checkmate, or forcing immediate resignation?

Let's say you have a position where you can win the opponent's queen in one move and you know he will resign; or you play a combination that is technically stronger since it forces mate, but it takes ...
2
votes
1answer
70 views

A position in which there is no possible checkmate [duplicate]

I saw the game Firouzja vs Carlsen in world blitz championship in which Carlsen flagged Firouzja. Carlsen won because even though he had only a bishop, there could be a possible mate position. I am ...
-1
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3answers
625 views

How is this checkmate? I’m new to chess

I’m new to chess. How is this checkmate? [FEN ""] [Date "Dec 31 2019"] [White "User 21050 (Lvl 3 500pts)"] [Black "Computer (Level 20 3000+pts)"] 1.Nf3 a5 2.Ng5 h5 3.Nxf7 g6 4.Nxh8 g5 5.Ng6 Ra6 6....

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