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Questions tagged [puzzles]

A problem in which a tactical or positional solution is required, like 'White move and gives mate in two'.

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11
votes
7answers
782 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 ...
39
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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/...
0
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3answers
3k views

What is the best way to solve chess puzzles?

Doing puzzles at lichess.org I stuck at raiting 1750 +- 50. I cant really go over 1800. So what are the first things one should check by solving puzzles? Are there some tricks how to solve puzzles?
3
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2answers
103 views

Looking for a Horowitz game

I just remembered a puzzle from a Horowitz game in which he played white against an Italian (I believe) player whose name started with "M". The black queen was defending f6, preventing Bxf6#. There ...
3
votes
2answers
306 views

Why wouldn't black take the rook here?

This puzzle starts on move 19 of the below game. In order to get the puzzle correctly, it seems that you have to believe that black would not take the rook with 20.. gxf6. But I don't understand why ...
1
vote
1answer
139 views

Why doesn't 1.fxe4 Nf6 work for black in this puzzle?

I was solving puzzles and I failed this one. The correct answer was fxe4 fxe4 Bxh5+. Why can the knight not just move to f6 and be safe there? fxe4 Nf6 exd5 fxd5 is in my opinion more preferable for ...
7
votes
3answers
2k views

“Knight rebus”. Decipher an encoded chess position

Here is a rebus: Each letter represents a different type of piece. Uppercase is one colour, lowercase is the other. Determine the position. If possible, also determine the last moves ...
8
votes
1answer
576 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
4
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1answer
151 views

Is today's chess.com daily puzzle a draw (as hinted at in the puzzle title)?

Today's daily puzzle on chess.com is called Desperation Draw: White to move [FEN "r5k1/P4ppp/8/8/p1p1P3/4KP2/2P3PP/5R2 w - - 0 1"] 1. Rb1 Rf8 2. Rb8 * One of the commentators asked: What draw? ...
4
votes
2answers
129 views

Is my solution to this puzzle wrong or a transposition of the official one?

I saw the following puzzle recently in a newspaper: Black to play and win 6rk/6qp/2Bp4/P1pP1p2/3bnP2/6BQ/7P/5R1K w - - 0 1 My proposed solution was 1. ... Nf2+ and the lines I foresaw were ...
5
votes
4answers
417 views

Reviewing Chess Tactics Puzzles

Is there somewhere online I can play chess tactic puzzles and redo them whenever I want? I do tactics on lichess but it doesn't store my puzzles. Is there somewhere that stores all my tactic problems ...
8
votes
3answers
1k views

Strategic implications in this puzzle by S. Polgar/P. Truong

Usually chess puzzles at my level (beginner) have just one or two forced variations and a clear achievement, like a substantial material gain or checkmate. Once in a while, though, a puzzle leaves me ...
2
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3answers
147 views

Good format for library of chess positions w/tags?

I'd like to create a library of chess positions with associated tags. For example, one position might be tagged "Tactics", "Counterplay", and "Knight Forks". The goal is to be able to search the ...
1
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4answers
152 views

Puzzle training: rotating tactical themes or exhausting each one?

I agree that many people like it more when chess puzzles do not give a clue on the tactical theme. That is not my question, and I would like to focus on how to study a collection of chess puzzles ...
5
votes
3answers
1k views

Method to study chess puzzles way above your level

I have a collection of middle-game chess puzzles classified in levels. I can solve most puzzles in the first level after a few minutes, and some of the puzzles in level 2. But for higher levels there ...
2
votes
1answer
266 views

Chess puzzles in newspapers and magazines which offer a prize

I like chess puzzles, and particularly like those for which there is a prize. The Times, Sunday Times and Spectator provide weekly puzzles (I'm based in the UK). These puzzles are available online as ...
3
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2answers
283 views

Calculate the first N unknown moves of a chess game

Greetings fellow chess friends, Here is a quick idea that came to my mind. I am interested in writing a software that is able to calculate and/or guess the first n unknown moves of a given chess ...
4
votes
1answer
495 views

Where can I find collections of chess problems (ideally direct mate) with solutions?

I'm working on a chess program that gives the user various compositions for them to solve. So far I'm only including mate in n problems where 1 < n < 5, and I'd prefer to only deal with this ...
3
votes
1answer
190 views

Strategy behind this chess position?

I am only used to check-in-n type of puzzle, so I am quite lost when my friend challenge me to this endgame position. EDIT: figured out how to do the chess board (note: the board seemed to be flipped, ...
0
votes
1answer
86 views

Ideal move in this situation

https://en.lichess.org/training/5571 Why is White knight to f5 not an ideal move in this situation? As far as I can see, unless Black takes the white bishop with the rook, it's mate in 2.
4
votes
1answer
210 views

Simple mate in 2?

I used to be a problem composer and the thing I loved about creating and solving chess problems is that you can't just rely on simple patterns. You need to think outside the box. This is one of my ...
28
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3answers
4k 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 ...
15
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2answers
2k views

Prove that white is not allowed to castle here

A friend recently gave me the following weird chess problem to solve, and I'm afraid I'm struggling to see the key ideas, that would ultimately count as proof. From the position, intuitively speaking ...
4
votes
2answers
271 views

Help me with this puzzle

Look at this puzzle: [FEN "r3q3/1pb1rbk1/2pn1p1p/p1Qp1Bp1/3P4/4P1NP/PP3PPB/3RR1K1 b - - 0 1"] The aim of the puzzle is: Black to play and attain a good position. But I can't find a good position ...
1
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5answers
890 views

Chess Opening Puzzle App

I like chess puzzle apps. But they all focus on the end or middle game. The reason is clear: In the opening there is no single truth. But there is some common sense what's good and what's not. Is ...
8
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6answers
1k views

Creative chess puzzles! [closed]

What are some of the creative chess problems that can never be solved by computers? Question changed to Creative chess puzzles! What are some of the creative chess problems that computers can never ...
11
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1answer
1k views

White to force the end of the game in two moves

I found this hilarious problem and hope people will have fun solving it: Niels Hoeg, Skakbladet 1907 [FEN "8/8/6p1/5pP1/5P1K/5PpP/4p2p/2Q2Bkr w - - 0 1"] White to end the game in two moves. In ...
18
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4answers
3k views

Is there any position where not promoting(illegally) would be the best move?

Is there any position, where moving a pawn to last rank but not promoting it to any piece would be the best move? By the way, I know this is an illegal move. Assume it is legal. Edit: Now we have a ...
12
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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.
9
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4answers
2k views

How much time you spend on one puzzle?

I know solving tactics puzzles is one of the recommended ways to improve in chess. I spend around 30 min solving puzzles. How much time I should spend on one puzzle? During games we don't think 15-...
0
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3answers
1k views

Is Behting Study Still Beating Computers? [closed]

This is the famous Behting study, first published in the magazine Bohemia in 1906, which is often used as a demonstration that computers can’t solve all positions. White to move and draw with a very ...
3
votes
2answers
239 views

Thinking to solve the puzzle

I came across a puzzle on lichess.org, (Black to move) , I was unable to solve it. But I know the solution now, I don't wasn't the solution or analysis. I just want to know how should one think ...
1
vote
1answer
130 views

Any ideas for this interesting puzzle?

Any ideas for this interesting puzzle?
19
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1answer
2k views

What is the solution to this mate in 2 puzzle?

What could be the answer to it?
3
votes
1answer
216 views

Why shouldn't the black king move to h7?

If white plays ne6+, why shouldn't black play kh7?
8
votes
1answer
330 views

Why is Nb5 a strong move here? Why is there a guaranteed material gain?

Taken from: Chess Academy: A subtle blunder [Title "White to move"] [FEN "r1bqr1k1/pp1nbpp1/4pn1p/2pp4/2PP1B2/P1NBPN2/1P3PPP/R2Q1RK1 w - - 0 1"] White can play Nb5 followed by Nc7 but wouldn't ...
4
votes
3answers
492 views

Von Popiel - Marco, Monte Carlo 1902, how to win as black?

In the game: Von Popiel - Marco, Monte Carlo 1902: why would Black win with Bg1? Ultimate Blunder Puzzle The white player is about to lose the Queen. Does that alone immediately constitute as a ...
1
vote
1answer
181 views

Chesscademy Tactic

Why would black move their knight (b8) to d7 vs taking the bishop (f5) with the queen? Click the link to see an interactive version, can someone explain this to me, I see no reason for black to lose ...
3
votes
1answer
151 views

Concerning a chess-problem generating program

Are there any programs that can generate a huge amount of different interesting chess puzzles? Are there any programs that can make a lot of retrograde analysis problems?
8
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2answers
1k views

Stalemating the opponent in order to not lose

There are some defensive ideas to get one's own king stalemated in order to not lose the game (mostly in the endgame, but sometimes also in the middle game). Have (master) games been played where the ...
6
votes
2answers
382 views

Can someone describe a good/easy mental procedure to choose the best move here?

This is kind of like magic to me. Once they show you it becomes obvious :) :( Can someone point out a good/easy strategy that a player can mentally train/use to decide what is the best move here for ...
2
votes
1answer
225 views

Chess puzzle that is hard to understand

Today I was solving a chess problem as following picture : [fen "r1bqr1k1/1p3nbp/2pp2p1/2n2P2/p1PN1P2/2N1B1PP/PPQ3B1/R3R1K1 b - - 0 1"] The solution given was 1...Rxe3, but I did not get the actual ...
4
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1answer
512 views

Question about knight vs. 3 pawns endgame

In the following puzzle, 5. Kb6 is considered better than 5. Kc7. Doesn't Kc7 force Black to sacrifice his knight (sooner)? [FEN "8/3n4/8/1P3k2/1P6/4K2P/8/8 b - - 0 1"] 1... Nb6 2. Kd4 Ke6 3. Kc5 ...
14
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5answers
3k views

Effectiveness of a spaced repetition system (SRS) for memorizing tactical patterns for long-term skill gain?

After reading Micheal de Maza's article 400 Points in 400 Days and the paper Training in Chess: A Scientific Approach by Gobet and Jansen, I have come to the conclusion that effective gains in chess ...
3
votes
2answers
2k views

How to check mate in 5 moves. First move is e4 and knight takes a rook before mate

The problem is to find an example of a chess game, which begins with 1.e4 and ends in the fifth move with knight takes rook mate (determining which side gives mate is part of the problem). This is a ...
5
votes
5answers
2k views

What is the most complex chess problem?

There are many chess problems and studies that are very nuanced and can take ages to properly figure out. What is the chess puzzle/problem with the longest (proven) solution?
6
votes
2answers
433 views

About forcing a checkmate

Could a player sacrifice 3 of his pieces , the opponent's King being forced to take each piece in a sequence of moves where the opponent's King lands on a space where it is promptly checkmated? A kind ...
3
votes
1answer
116 views

chess training - can't find the proper white move

I'm really struggling to find the proper white move. Can someone help me? Also, is there some tool to assist training? [Title "White to move"] [fen "2k3rr/pbpp4/1pn1p4/8/2PPB1qp/2N1P2Q/PP4P1/2R2RK1 w ...
4
votes
3answers
280 views

Resource with chess problems in electronic format with solutions

I am looking for a database of chess problems in electronic format with solutions. Ideal variant will be a database with something like: FEN starting position * description (Mate in 3 moves, Win ...
6
votes
2answers
975 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 ...