Questions tagged [puzzles]

Often, a puzzle type of problem in which a tactical or positional solution is required, like White/Black to move and win”, in what is often a middlegame of endgame-esqe position. But a puzzle can also be a chess riddle, chess math. or any other non-normal chess problem. Questions about solving puzzle, puzzle apps and websites, how to understand the idea behind a puzzle, etc. are also on-topic.

Filter by
Sorted by
Tagged with
4
votes
4answers
459 views

Why should I expect that black moves Rxd2 after I move Bxe3 in this puzzle?

I've been playing a few puzzles for a couple of days, and I see that often the final move to chessmate is easy to spot, but earlier moves aren't (to me). In this case, for instance, why should I ...
8
votes
3answers
1k views

How to solve this puzzle of Martin Gardner?

Martin Gardner mentioned the following "chess" problem in his column, Mathematical Games, for Scientific American (he got it from Smullyan, who learned about it from a high school math ...
2
votes
2answers
2k views

Why does Black play Bh3+?

This puzzle on chesstempo caught my eye (we play as White): [FEN "2b2rk/1p3ppp/r/p1p/3pP1Pq/1P1P/P3BPK/1RB1QR2 b - - 0 1"] 1. Bg4 I reckon Black needs to try skewering the rook with the ...
9
votes
1answer
800 views

From Mate-in-3 to Mate-in-1

Here is my new problem in 3 steps - the key designates here the piece that moves first in the solution. An other way to reach a mate in one I hope you'll enjoy... [Title "From Mate in 3 to ...
8
votes
2answers
240 views

How many moves of head start does white need for a guaranteed win?

As we all know, it is not known whether white can always win in chess with optimal play. If, however, white got to make two moves before black made their first move would they be able to win with ...
23
votes
5answers
3k views

Another Unusual Mate in One

Here is another mate-in-one of my own i.e. a not quite usual one... [title "Mate in one"] [FEN "3b4/R3P3/2kPR1n1/P1p1n3/4K1p1/2Nr4/5p2/1b6 w KQkq - 0 1"] Imagine, you ...
6
votes
1answer
312 views

Mate in One the Missing King

The post "A mysterious mate in one" made me think of one of my last problems which is also a Mate-in-One with no black King: [Title "White to move and mate in one"] [FEN &...
1
vote
2answers
327 views

Why doesn't Black play Bd4?

This puzzle on chesstempo caught my eye (we play as White): [FEN "4q1k/p4pb/r4npp/4P/n2B/5NNP/5PP/Q4RK b - - 0 1"] 1. Nd7 The move I made was e6, and it was the right one. Yet, the Black's ...
3
votes
2answers
379 views

Why does White play Nc4?

I was solving some problems on chesstempo. This one caught my eye (the White just played Ng2, we play as the Black): [FEN "1k5r/pp4p/5b1p/qPP/N2r1p/P4P/K1Q3PP/2R3R w - - 0 1"] 1. Nb2 I saw ...
1
vote
2answers
162 views

Why does White play g5?

As a total newbie, I've been solving some medium-level problems on chesstempo. This one caught my eye: We play as Black. White plays Rb8: Our move is pretty straight-forward here - Kg7: What I can'...
8
votes
4answers
1k views

Why does this puzzle offer f8=R as better than f8=Q?

Here's a chess puzzle that gave a confusing response. https://chesspuzzle.net/Puzzle/52112 [FEN "5R2/1p6/p4Ppk/3r4/7p/1P6/P7/1K6 w - - 0 1"] 1. Rh8+ Kg5 2. f7 Rf5 3. f8=R If you play f8=Q ...
0
votes
2answers
63 views

What makes a chess puzzle hard to solve? [closed]

A couple friends and I built a mobile app (Chess Puzzle Blitz) where we allow people to compete for fun or money solving chess puzzles. We have a pretty large puzzle database but are always adding to ...
2
votes
1answer
123 views

What am I supposed to learn from this puzzle?

I'm still in the learning stage of playing chess, and was a bit frustrated by this puzzle. https://www.chess.com/puzzles/problem/683680 After my initial attempt failed I tried all the moves I could ...
1
vote
1answer
122 views

What is this position called? [closed]

I'm working on a problem for this cyber security camp, and we're doing a CTF right now. I have one problem left, and I'm almost certain in relates to chess, so I've come here for advice! Having ...
3
votes
4answers
205 views

How can I deal with frustration in not being able to solve puzzles in time?

I've been doing 1700-2000 puzzles for some days now. My problem is that when I cannot find a solution within 10 minutes, it literally kills me inside. I just get so frustrated and angry. Theh I just ...
1
vote
1answer
259 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 ...
5
votes
1answer
607 views

In this puzzle, why does white play dxe5?

I came across the following puzzle on lichess (black to play): [Event ""] [Site ""] [Date "????.??.??"] [Round ""] [White ""] [Black ""] [Result "*"] [FEN "1k5r/1pp2q2/p2p2n1/4pp2/2PPP1p1/1P2B1P1/...
6
votes
1answer
176 views

How can white force a quick win here?

This is from a tactics puzzle I encountered today. The given solution was 1. Qxf6 gxf6 2. Bxf6#,” but to me 1... Ne6 seems to halt white in his tracks, even if it does give up a rook. My moves as ...
3
votes
1answer
2k views

Chess.com's daily problem-Why doesn't 1…Nf8 win the Nh7?

Shouldn't 1...Nf8 win here too? Why not? [FEN "r2qk2r/pp1nnp1N/4p1pQ/3pP3/4b1PP/P1B5/1PP1B3/R3KR2 b Qq - 0 1"] 1...Nf8??
8
votes
3answers
795 views

Why is this the solution to this puzzle?

[FEN "2r3k1/5pp1/1q1bpn1p/pB1pN3/P2P4/5R2/1P3PPP/3Q2K1 w - - 0 1"] 1. Rxf6 Qc7 2. Rf3 This is a puzzle (and its solution) I found on lichess. But I simply do not see the expected logic of this ...
15
votes
11answers
5k views

Where to start with a child learning chess?

From here: What is the best age to learn chess? it seems that consensus is that that kids can start learning chess at almost any age. From around 5 years old they are big enough to learn the names ...
1
vote
2answers
234 views

Why did Puzzle Rush stop at the second fail?

I was playing the popular Puzzle Rush game on chess.com (3-minute version), and the game stopped when I missed the second puzzle (I had 8 seconds left on the clock). The statement is "Three strikes ...
5
votes
2answers
448 views

What is White's motivation to give up the Queen?

I received the following tactics puzzle on lichess.org. Even though, I ended up solving it correctly, I am still not clear about the move 2. Ng5, because this loses the Queen. What prevents 2. Qe2, ...
5
votes
2answers
122 views

Position-jugdment problems simulating actual play

I'm interested in collections of chess problems where we are not told beforehand what is happening in the positions presented, but we have to decide by ourselves, whether something clear exists (a ...
6
votes
3answers
514 views

Is it better to start without a queen or without any pawns?

I think that this question really can be answered rigorously with good analysis. It is opinion-based, but not completely since some results in this direction can be obtained, and strict and general ...
3
votes
2answers
252 views

How many different knight's tours are there?

How many solutions does the Knight’s Tour puzzle have when the knight first moves from square a1, through all squares (on each square once), and return back to a1? Please give some solutions. Also, ...
3
votes
1answer
128 views

At what level would a player be able to correctly analyze how …a5 is superior to …Bc5 if LiChess puzzle 94536 arose in a tournament? [closed]

LiChess puzzle 94536 (from this game) begins with this position with black to play: [fen "r1b2rk1/ppq1n1pp/3p4/3Ppp2/1bP5/3B1N2/1B1P1PPP/R2QR1K1 b - - 1 13"] The fork 1...e4 is obvious, then white ...
1
vote
1answer
99 views

A question on a puzzle on chess.com

I am a beginner in chess. I am playing a puzzle on chess.com and the puzzle is like this: White to move [FEN "r4rk1/p4p2/1p2p2p/2p1P3/3p1q1n/1P1PR1N1/P3QP2/R4K2 w - - 0 2"] 1. Re4 Why is this the ...
10
votes
4answers
489 views

Lichess puzzle 87510: How much calculation would a strong player do before playing Bg4+ when white has a range of (all losing) responses?

Lichess puzzle 87510 has this position. [FEN "r1b1k3/pp4R1/2q3RQ/4p3/5P2/bP2P3/2P1K2P/8 b - - 0 1"] The solution is 1...Bg4+,.after which White has 6 legal moves: 1...Bg4+ 2. Rxg4 Qxh6, ...
9
votes
3answers
331 views

Lichess Puzzle 82753: Can white win with a queen and two pawns vs. rook and four pawns?

Lichess puzzle 82753 involves a rook and pawn endgame where white sacrifices their rook to queen a pawn. The final position is the following (with black to move): [FEN "2Q5/6p1/1K3pkp/8/8/4p3/r5PP/8 ...
3
votes
1answer
259 views

Why was this move in a puzzle?

I was on the chess.com app this morning doing the daily puzzle and it wanted me to play Re2. This is questionable to me, because it just delays the mate, but I figured I might have missed something. ...
2
votes
1answer
501 views

Doubt about best move in lichess.org training puzzle

In this puzzle, https://lichess.org/training/61639, in this position: 1k2n1rr/1b4q1/1p1p1p2/1PpPpQ2/2P1PnN1/2N4P/R5PK/R2B4 b - - 10 33 the engine says that the best move for black is Rh5, I think it ...
0
votes
2answers
140 views

Could chess puzzles change with the introduction of stronger engines?

Something I've noticed is even older chess puzzles never seem to age, somehow they even seem more masterful and demanding then the puzzles created today, but what if the solution for a puzzle is ...
4
votes
2answers
105 views

Rearrange chess diagrams (from an opening) in order. Useful as a puzzle?

Here is an example https://chess-tst.000webhostapp.com/chess.html The task is to rearrange the diagrams in order (use drag&drop). Do you think this activity could be useful for exploring and ...
3
votes
2answers
226 views

Knights necessary to mate king on large finite board

How many knights would be necessary to mate opponent's king on large finite boards like billion times billion squares? Are they fast enough to surround opponent's king in very limited constant count ...
0
votes
3answers
4k 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
votes
2answers
327 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
177 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 ...
1
vote
1answer
267 views

The Black knight challenge

I was introduced to a challenge a few weeks ago with the above position. The challenge is to move the Black Knight such that it must always be three squares in the third row from the right, the point ...
5
votes
1answer
166 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? ...
5
votes
2answers
156 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
497 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 ...
1
vote
4answers
165 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 ...
6
votes
1answer
1k views

Chesscademy Tactic: Is my alternative as good as the right answer?

I've been playing with the Chesscademy app for a while, solving some tactics (which I'm not sure is improving my chess, but it's a good puzzle to kill some time). Today I ran into one tactic that I ...
2
votes
1answer
286 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 ...
4
votes
2answers
309 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
206 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, ...
4
votes
2answers
285 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 ...