Questions relating to checkmating.

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3
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1answer
86 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 ...
-1
votes
1answer
66 views

Could you show me some very easy mate in 20?

I am looking for some puzzles where there is a forced mate in as many moves as possible (ideally 20 or more). Yet the puzzles need to be as easy as possible! You will probably need to find some ...
-1
votes
1answer
48 views

Is my engine working properly?

I noticed that when I put my Houdini 3 Pro x64 in the "Infinite Analysis" mode, he tends to use a lot of time to evaluate the bad moves... Sometimes he even uses like 30 seconds on the first 10 best ...
0
votes
1answer
139 views

Am I allowed to do a checkmate and win the game in this situation?

I am playing with whites. Currently my queen is at c7 and it's my turn. If I move my queen to d8 and declare check on the king, is this also a check-mate? sorry for the seemingly noobish question, ...
1
vote
1answer
148 views

Stockfish's algorithm

I'm trying to understand how stockfish thinks, how calculates best move... i'm reading open source code, but it's not clear. I want to know, should i know some theory about algorithms to understand ...
9
votes
3answers
2k 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 ...
4
votes
1answer
125 views

Four way chess Checkmate

I don't know how many people play four way chess, but do you have to checkmate an opponent's king or actually kill it to take over his army?
14
votes
4answers
1k 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 ...
3
votes
2answers
188 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!
3
votes
2answers
121 views

How do you checkmate with a queen?

How do you checkmate with a King and Queen versus King? Is there a method that is faster than other methods in terms of moves? Is there a fool proof method if you are in time trouble? Thanks!
6
votes
4answers
797 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!
2
votes
1answer
141 views

Pawn giving checkmate

My computer checkmated me with a pawn move. I could have taken that pawn en passant but I wasn't given a chance to do that. Was that a fault of my computer, or is there a rule stating that a pawn ...
6
votes
2answers
121 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 ...
3
votes
3answers
403 views

Endgame KNN-k chess puzzle checkmate

[FEN "8/8/8/4N3/4N3/4K3/8/4k3 - - - 0 0 "] Hi All, I have problem like this, when I played chess puzzle as you can see, logically, there are position to make checkmate to Black King, but till now, I ...
4
votes
1answer
873 views

Minimum moves to checkmate?

What is the minimum number of moves, counting both sides, in which a checkmate can be made?
9
votes
3answers
18k 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?
8
votes
3answers
871 views

Is it possible to castle while checkmate?

I am new to chess gaming; please answer this for me: Is it possible to castle while checkmate? Thanks in advance.
9
votes
1answer
381 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 ...
4
votes
2answers
311 views

Most beautiful checkmates? [closed]

What is the most beautiful checkmate you've ever seen in high-level play? The beauty might be caused by one of the following: A brilliant setup (the couple moves preceding the mate were brilliant) ...
13
votes
2answers
425 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 ...
11
votes
1answer
200 views

KBN vs K checkmate

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 ...
3
votes
4answers
8k 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 in a situation like this? Does the game have to be drawn due to ...
12
votes
1answer
398 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: ...
4
votes
3answers
198 views

What are the possibilities for checkmating with two bishops here?

Consider the following position: What are the possibilities for checkmating the white king within 16 moves?
4
votes
1answer
156 views

In how many cases of K, P vs. K, N, N endings can the stronger side force checkmate?

For instance, it wouldn't be possible if the Pawn was on the verge of queening. But is it always possible if the Pawn started off on its original square? Is it usually possible? Or is it only ...
11
votes
4answers
636 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 ...
16
votes
5answers
10k 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 can ...
10
votes
5answers
784 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.