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Questions tagged [checkmate]

Questions relating to checkmating.

2
votes
1answer
206 views

What is a pure checkmate?

Recently I heard something about pure checkmate. This is a special kind of checkmate where each of the squares around the king has to be covered by just one single piece. One simple example of this ...
1
vote
1answer
71 views

Is black in check? [duplicate]

I know this sounds like a really basic question, but I couldn't find it anywhere on the site... On the following board, is the black king actually in check (assuming it's his move)? My thoughts are ...
4
votes
2answers
100 views

Does this knight and rook mating pattern have a name, or has it occurred before?

[fen "5k2/8/1R6/5r2/P7/1P4P1/6KP/5n2 b - - 0 40"] With black to move, remarkably it's mate in 2 (at first glance, it looks like black may struggle to even draw). It occurred in a recent LiChess game ...
-4
votes
1answer
86 views

What’s the total number of KNN vs K checkmate positions?

EDIT: What’s with all the downvotes people? I accept criticism, but I feel that someone needs to at least a say a little bit of why. What’s the total number of KNN vs. K checkmate positions? I ...
0
votes
1answer
82 views

Why do people make a huge pause before making even a simple checkmate? [closed]

Are they already so happy about the victory or is this behavior of the cheat program? I don’t believe in what they think over the simplest move.
0
votes
4answers
145 views

Can someone make a puzzle in which a KNN vs. K checkmate is forced in the end?

No, I am not asking if a KNN vs. K can be forced if those are all that's on the board. It is well known that this is impossible. (I wasn't quite sure om if I should have put this in here or in the ...
5
votes
3answers
382 views

A position in which checkmate is forced (obligatory)

I am looking for a position in which all possible moves are checkmate. This means, that if the player does not want to checkmate the opponent, because for example he feels sorry for him, even in that ...
6
votes
4answers
238 views

When exactly does a checkmate or stalemate take effect?

I'm not enthusiastic about chess in particular, so if I use terminology incorrectly please correct me. I use "phase 1 & phase 2" for each player's move, and "turn n" for each pair of phases. I'm ...
6
votes
1answer
158 views

Would certain checkmates be possible if the king could move into check?

Similar to a previous question of mine, let's suppose there's a piece that moves like the king, but isn't restricted from moving into check. While a normal king and two knights can't force checkmate, ...
1
vote
1answer
118 views

Is there a faster way to do horizontal castling checkmate?

See my former question about vertical castling here. Horizontal: wherein the rook attacks down a rank. I have composed horizontal castling checkmates for both the queenside and kingside (links below....
2
votes
3answers
140 views

What is the fastest vertical castling checkmate for both the kingside and the queenside?

Vertical: wherein the rook attacks down a file. Since I like to know fast ways to do theoretical objectives in chess, I wish to know the fastest possible castling checkmate, for both queenside and ...
4
votes
3answers
201 views

On the board: white king vs. black king with knight and rook. Could checkmate be done without the black king’s help?

Just something I randomly came up with. Sorry if it is a duplicate.
1
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3answers
161 views

What are the quckest helpmates delivered by rook, knight, bishop, and pawn?

What are the quickest helpmates, which is where both sides help administer checkmate to one side, delivered by the rook, knight, bishop, and pawn? Said piece has to deliver the checkmate on the final ...
1
vote
1answer
125 views

App Mis-calculated Checkmate?

How is this checkmate? The King isn't even in check! Am I missing something, or did the chess app goof up?
3
votes
2answers
250 views

Black only has pawns: Mate in what?

In a standard opening position in chess, imagine that all black pieces are removed except for the king and pawns as follows: What is the shortest forced mate, assuming white starts? I don't know the ...
3
votes
2answers
168 views

Finding a mating net in a RRN vs RRN endgame

This question relates to a game I played on LiChess (link), from which we have the following position: [FEN "8/2rn4/2pN2k1/r1Pp2p1/p2P4/3KPP2/R7/7R w - - 4 42"] In this position with white to move, ...
5
votes
1answer
183 views

What is the longest professional chess game that ended in a checkmate?

The question pretty much sums up what I want to know. There is nothing else to add here.
1
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2answers
110 views

How many possible two-move checkmates are there?

Yes, I am well aware that Fool's Mate exists. But how many other possible two move checkmates exist in chess?
0
votes
1answer
228 views

What is the fastest possible checkmate? [duplicate]

What is the fastest/shortest possible checkmate? What is the minimum amount of moves to checkmate a side?
1
vote
2answers
145 views

Why queen traps happen so frequently? [closed]

I am aware that in most chess games the king is the one to be checkmated. Yet when playing many online chess games I have found the queen is the the one being checkmated. Is this simply another ...
1
vote
2answers
196 views

Why isn't the objective of chess to capture the opponent's king? [duplicate]

The objective of chess is to put the opponent's king in a position where it cannot evade capture. Why not go all the way? Short of tremendous blunders of moving into check, chess would be completely ...
6
votes
5answers
396 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)?
0
votes
2answers
203 views

How is this not checkmate? I had loads of time to spare

See below my game last night, I am white and I got 3 queens. He only has the king left. We have loads of time left. It was a 30min game. As soon as I moved my original queen up one space and got him ...
-1
votes
1answer
225 views

How is this checkmate … or does chess.com have a bug? [closed]

Playing as black against the chess.com computer, the following position was reached and chess.com declared checkmate in its favor. However, I don't see that the black king is in check. So is this a ...
-2
votes
1answer
107 views

How is a game of chess won?

My understanding is that there are basically two ways in which a game of chess is won. (1) One side gives (or forces) checkmate, regardless of material situation on the board. He may be in material ...
5
votes
3answers
365 views

Is this considered checkmate or not

What if there's a touch move rule and my knight or bishop is blocking my king and I touch it is that a checkmate if so what is it called
-3
votes
4answers
127 views

If a king is in check can the opponents king take said king if it puts him in check? [duplicate]

Q a king is in check can the opponents king take said king if it puts him in check? Boyfriend is having none of and thinks he wins ... surely you can’t put yourself in check even if the opponents ...
-2
votes
2answers
258 views

Is it possible to give two more checks here?

If the knight moves then is it possible to give check mate? I have already given one check. I was playing a game of "3 check". How can I get two more checks? Is it not possible? 3 check is a mode in ...
1
vote
1answer
172 views

How to be more aware of smothered mate opportunities?

I've been playing Chesscademy's android app for a while when I'm bored: thought it could improve my chess to be solving their tactic challenges (not sure if it's working though..). One pattern I ...
7
votes
3answers
480 views

En Passant Check mate

I made a check with a pawn that was subject to an en passant movement. The check led to a check mate, but the rule at "chess.com" didn't count it as a check mate but let the opponent make his move. ...
9
votes
2answers
577 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 ...
4
votes
1answer
173 views

How are chess engines able to rank a Mate in X above a Mate in X+Y?

According to an engine, a mate in X moves = +infinity, since it is a forced win for it. Also according to an engine, a mate in X+Y moves = +infinity, since it's a forced win (just more moves, but an ...
9
votes
1answer
1k 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....
-4
votes
2answers
84 views

Can I mate black in 4 moves in this game

Can I mate black in 4 moves in this game
1
vote
1answer
110 views

How to mate a king already in the corner with a knight and a bishop?

How can white mate black in 4 moves in this game. This might be easy but I am a beginner. 7k/7N/6K1/8/7p/7B/8/8 w - - 1 0
0
votes
1answer
60 views

How can white mate black in 4 moves in this particular game.

How can white mte black in 4 moves in this game. This might be easy but I am a beginner. (https://i.stack.imgur.com/r5n6R.png)
3
votes
1answer
78 views

How can white mate black in 4 moves in this game.

How can black mate in 4 moves. white king is on e3 and white rook is on g6. Black king is on h2 and blak pawn is on h3. I am being a beginner finding it difficult
-1
votes
1answer
136 views

How can black mate white in 4 moves in this game

How can black mate in 4 moves? [FEN "6k1/p5rp/3p1PR1/3Pp2Q/qBK1Pp2/5P2/2P5/r5R1 b - - 0 1"] [Event "Black to mate in 4 moves"]
6
votes
2answers
398 views

Checkmating the bare king with 3 knights – can the mate be forced on any edge square?

In the case where White has King and 3 Knights, and Black has just the bare King, it is known that White can force checkmate. But can White in fact pick any edge square in advance, and force the ...
14
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 cause a checkmate by En passant of the same ...
1
vote
2answers
171 views

Why continue to increase search depth after mate is found?

Playing with test sets, several times I come across a behavior of the chess engines which I can't understand: Let's say I have the endgame [FEN "8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - 0 1"] which after ...
8
votes
4answers
448 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 ...
4
votes
1answer
93 views

What is the name of this mating pattern?

Recently I delivered the mate shown below. Does it have a name? [fen "1r5r/2p3pp/2R5/1pkPpp2/2b1P3/2K2P2/6PP/R7 w - - 0 1"]
7
votes
2answers
271 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"]
1
vote
1answer
112 views

Checkmate in two moves [duplicate]

White to play and checkmate in two moves. [fen "5Kbk/6pp/6P1/8/7R/8/8/8 w KQkq - 0 1"] Is it possible? If so, please write a solution.
8
votes
1answer
725 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) ...
2
votes
1answer
116 views

Claiming a 50-move draw with a mating move [duplicate]

Under FIDE law 9.3.1, a player to move may claim a 50-move draw by writing down the intended 50th move and making the claim. Supposing this claim is otherwise valid; if the move would checkmate then ...
15
votes
4answers
8k 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 ...
3
votes
1answer
126 views

Data set of board representations at checkmate?

I would like to do a simple project by looking at the pieces at play when checkmate occurs. I have been scouring the internet for a dataset of standard chess games from which I can retrieve the ...
-4
votes
1answer
2k views

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?