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Questions relating to checkmating.

-1
votes
2answers
154 views

is it possible to give 2 more checks here?

If the horse moves then is it possible to give check mate ? i have already gave a check. i was playing 3 check. how can i get 2 more checks? is it not possible ? 3 check is a mode in chess where you ...
0
votes
1answer
128 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 ...
6
votes
3answers
297 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. ...
4
votes
1answer
102 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 ...
8
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
74 views

Can I mate black in 4 moves in this game

Can I mate black in 4 moves in this game
1
vote
1answer
89 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
46 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
72 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
126 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
331 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 ...
12
votes
3answers
1k 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
125 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 ...
6
votes
3answers
308 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
87 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"]
9
votes
2answers
208 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"]
2
votes
1answer
93 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
668 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
91 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
98 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
628 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?
1
vote
1answer
106 views

Could the black king move to C5?

Could the black king move to C5?
2
votes
4answers
394 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 ...
1
vote
1answer
103 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. ...
3
votes
1answer
195 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. ...
2
votes
2answers
251 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
votes
1answer
118 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 ...
37
votes
3answers
12k 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 ...
8
votes
6answers
404 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 ...
35
votes
2answers
6k 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/...
1
vote
1answer
136 views

Didn't showed checkmate at chess.com. (fig. below)

I've attached a screen shot of my game. It is black's turn to move. The king is under check (and not checkmate - as The website didn't showed mate). Finally black had to resign, as he was not able ...
4
votes
3answers
110 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
votes
1answer
505 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
12
votes
3answers
2k 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 ...
0
votes
2answers
156 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 ...
3
votes
2answers
271 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?
9
votes
4answers
371 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. ...
-2
votes
1answer
101 views

Stalemate or mate please suggest

I have rook, queen and my king he has only 2 pawn and king situation is to complicated and he cannot move anything except he has one move for pawn but if he moved pawn queen is directly checked to ...
1
vote
2answers
639 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 ...
0
votes
2answers
232 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?
6
votes
2answers
622 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 ...
7
votes
4answers
268 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 ...
1
vote
2answers
392 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? ...
16
votes
2answers
2k 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
votes
2answers
113 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 ...
0
votes
2answers
128 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
votes
1answer
922 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
votes
1answer
147 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
votes
6answers
570 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 ...