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.

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4
votes
1answer
255 views

I can't understand this puzzle

I came across this puzzle and even after I learned the answer I couldn't quite understand what's going on. I understand that we amaterial advantage by capturing the knight with a pawn, but I can't ...
0
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1answer
93 views

Why are these sequence of steps played to solve this puzzle?

[FEN "rnbqkb1r/pp4pp/2p1pn2/3p1p2/3P4/BP4PN/P1P1PPBP/RN1QK2R b KQkq - 0 1"] [StartFlipped "0"] 1... Bxa3 2.Nxa3 Qa5+ 3.Kf1 Qxa3 FEN: rnbqkb1r/pp4pp/2p1pn2/3p1p2/3P4/BP4PN/...
3
votes
3answers
157 views

Why does Stockfish evaluate this Lichess puzzle position as so advantageous for Black?

[Event "Rated Rapid game"] [Site "https://lichess.org/tZI4OlZ3"] [Date "2021.04.20"] [White "Paulinos"] [Black "Qedesh76"] [FEN "r3qrk1/2pbbppp/...
10
votes
1answer
1k views

How can white gain a slight advantage in this position? (puzzle for beginners)

Try solving the following puzzle authored by me (for beginners). White to move and gain a slight advantage, despite being a Queen down for a bishop at present: [FEN "2k1r3/pp6/n5q1/1N3p2/8/3B4/...
7
votes
4answers
2k views

Can black convert a +5.6 game into a draw (assuming both players play optimally)?

This shows a +5.6 winning for white at depth 33 (Stockfish 13+). White does have a bit of material advantage (knight) and black has more pawn islands. Can black convert this into a draw (assuming both ...
2
votes
2answers
194 views

Another mobility puzzle

This is the "opposite" of A mobility puzzle - I held it back because it could have interfered with Schwalbe 2021 construction challenge. Thus: Put a maximal number m of pieces on the board ...
3
votes
1answer
193 views

Longest forced win after 3 moves

It is possible to reach (exactly) #8 after just 3 moves: [Title "#8 after 3 moves"] [FEN ""] 1. e3 f6 2. Qf3 Kf7 3. Nh3 Qe8! 4. Ng5+ Kg6 5. Bd3+ Kxg5 6. Qf4+ Kh5 7. g4+ Kh4 8. Qg3+...
-1
votes
1answer
160 views

Normal puzzles vs puzzle rush performance on chess.com

I have been doing normal puzzles and puzzle rush on chess.com for the last 6 months. And I noticed that my performance in normal puzzles now jumped from 2100-2200 to 2400-2500. However, in puzzle rush,...
-2
votes
1answer
89 views

Illustrative puzzles for chess themes [closed]

This is a big-list question regarding chess themes (mostly tactical). There are some puzzles that illustrate important aspects of a tactic (esp. useful in a chess coaching setting). For example, the ...
1
vote
1answer
134 views

I'm struggling to find the full solution of a chess problem

I'm starting to think that this puzzle, found on chess.com here in the 5th post down, does not have a correct full solution. But it features a nice line if Black moves wrongly, so judge by yourself. [...
3
votes
1answer
122 views

A mobility puzzle

[FEN "8/8/8/8/pp6/kp6/1p6/1K6 w KQkq - 0 1"] This is a well-known position: both sides are stalemated (if it's their move). It's the lightest position with this property. Devise the ...
5
votes
1answer
333 views

Trying to remember a zugzwang puzzle/study position

I am trying to remember a puzzle position, or maybe was it originated from a real game, i dont remember. Something like (white to move): 7R/rp6/pk6/p7/P7/8/1K6/8 w - - 0 1 I would like to know where ...
1
vote
2answers
141 views

Is there any android app or software that allow me to create my own chess puzzle so I can solve or study it later on?

I want to improve my tactics skills; is there any Android app or software that allows me to create my own chess puzzle so I can solve or study it later on?
3
votes
0answers
91 views

Is there a solution to this puzzle in Clive Ke's “How to improve in chess” book? [closed]

I am wondering if there's a solution to this puzzle anywhere. [FEN "3r4/p4k2/1p2bb1p/2p2pp1/5P2/1NP1B2P/PP4P1/4R1K1 w - - 0 1"] Here's the description of the puzzle in Clive Ke's "How ...
-3
votes
1answer
137 views

Quick you have 5 seconds on your clock, what’s your move? [closed]

Here is the position: What would you do if you only had 5 seconds on the clock?
12
votes
3answers
3k views

Why move bishop first instead of queen in this puzzle?

In this puzzle (white to move), the solution first moves the bishop (to pin the knight) and only then the queen. Why is it better to move the bishop first? [FEN "r2qk2r/pbp1bpp1/1pnp3p/8/3NP3/...
0
votes
2answers
141 views

Another chess puzzle

I was playing white here, and after Rd6+, Kb5, Rd5+, Ka4, is there any winning move for white?
5
votes
2answers
280 views

Why I can't I play puzzles on Lichess?

Lichess is a blind-accessible chess site that I like to play. But for some reason, it doesn't support puzzles in an accessible way. I've done everything that I need to do to make them accessible. But ...
2
votes
1answer
109 views

Board Vision Puzzles

There's a plethora of tactics puzzles out there. However, I'm looking for board vision puzzles. For example, given a certain position, how many legal moves does X piece have? How many pieces are ...
7
votes
1answer
1k views

What is the best move in this puzzle rush?

[FEN "2b2r1r/2k1q1b1/2p1p2p/1p1pPp2/pP1P1RB1/P1N5/2P1Q1PP/5RK1 w - f6 0 1"] [starpPly "2"] 1. Bh5? In this puzzle rush from chess.com, it says that Bh5 is the wrong move, ...
3
votes
1answer
171 views

Reasons why castling may be the only winning move

I recall at least one game of mine where my last move was castling (around move 20 or so :-), it saved my ugly posterior, it was the only move and we immediately agreed on a draw after that. (Do not ...
7
votes
3answers
1k views

Square Free Position

[FEN ""] For the purposes of this question, a “square” is a set of four occupied cells on the chessboard whose centres form a geometric square. The cell may have any orientation. For ...
3
votes
1answer
1k views

What is black's idea in this puzzle?

This is one of Lichess's puzzles, taken from a real game. Black is on the move. [FEN "1r1q1rk1/5pbp/3pbnp1/1p1Np1B1/1p1nP3/P1N2P2/2P1B1PP/R2Q1RK1 b - - 0 1"] 1... Nxe4 2. Bxd8 The ...
3
votes
3answers
616 views

A question about a puzzle

It's White to move. Why does Stockfish evaluate 13. Kh1 so much higher than 13. Rf2? They both seem like reasonable options for me, yet the former is evaluated +7.95 for white and the latter is at -0....
7
votes
1answer
426 views

How to think this end game puzzle and play this position

I encountered the following puzzle on Lichess. I instinctively knew I had to play Kc4 and then it would be about counting possible moves since neither king can move with out losing a pawn but I was ...
25
votes
6answers
12k views

Why is this a checkmate?

I'm new to chess and I'm confused about a puzzle I was practicing. As you can see my black queen has put the white king in check, but I'm confused how this is possible if a rook is right next to my ...
4
votes
0answers
133 views

Chessboard Domination from Opening

From the opening position for black (with no white pieces on the board), what is the fewest number of moves in which we can dominate the entire board, that is, reach a position so that each square is ...
2
votes
3answers
322 views

Why is Ng5 a draw here?

Was shared a chess position and reached this position. I didn't understand why Ng5 is a draw. I analyzed h6 and h5 as responses but they fall to the same checkmating theme of rook checkmate on h8. ...
13
votes
4answers
3k views

Difference between chess puzzle and chess problem in this episode of The Queen's Gambit?

While a chess puzzle is any puzzle involving aspects of chess, a chess problem is an orthodox puzzle in which one must play and win or draw a game, starting with a certain composition of pieces on the ...
4
votes
1answer
216 views

I need help understanding this puzzle

With White to play, I have trouble understanding what goes on in this puzzle. First of all, how exactly Kh1 is preferable to Kxh2? I know that Black can give checks after Kxh2, but there really is no ...
12
votes
3answers
778 views

Chess positions that are easy for humans but near impossible or confusing for computers

I noticed that one student is performing exceptionally well and beyond his level during an online class. I was wondering if there are particular chess positions that I can use during class to find out ...
8
votes
5answers
5k views

Mismatch between my puzzle rating and game rating on chess.com

On Chess.com, I recently passed 2000 in the puzzle section. However, in 10 minute games, I can't reach 1600. How do I bridge that gap and increase my game score? Is 10 minutes maybe too short of a ...
5
votes
1answer
267 views

Is there really a checkmate after 1… Bxf5?

This puzzle on chesstempo caught my eye. We play as Black: [FEN "1r1r3k/7p/5Pb1/p2BpRpq/1pP5/1P1Q4/P5RP/7K w - - 0 1"] 1.Rgxg5 Note: the solution is not quite important here, so no large ...
2
votes
2answers
166 views

What are some of the best free puzzle rush apps?

I'm looking for a puzzle rush app that's free and does not require a subscription. I tried using the Chess.com app, but there's a limit on the number of times you can play in a day.
4
votes
1answer
105 views

White to play and win

I don't normally post puzzles but this one is particularly beautiful [title "White to move and win"] [fen "1rR2b1r/3n1k1p/p4npP/1p1q1p2/1R6/BPp2N2/4QPP1/7K w - - 0 1"]
4
votes
1answer
145 views

How is a perpetual check reached in this puzzle?

This puzzle on chesstempo caught my eye. We play as White: [FEN "4Q/4p1bk/1p1qp2p/p1p1n2B/4P/2P3B1/PP4P/6K b - - 0 1"] 1. Nf3 Side Note: The answer is of no importance here, so no spoilers ...
2
votes
1answer
137 views

Why does White play Qxd4?

This puzzle on chesstempo caught my eye. We play as Black: [FEN "r2qk2r/1p1bppbp/p1np2p/4P2n/Q8/2N2N1P/PPP2PPB/R3KB1R w - - 0 1"] 1. exd6 My solution is: if we play 1... Nb..., a ...
8
votes
1answer
1k views

Why Qxd5 instead of Rxd5?

This puzzle on chesstempo caught my eye. We play as Black: [FEN "1r1r2k/p4pp/2q/2p1p2P/P1P1Pn/B3NP/4Q2P/R6K w - - 0 1"] 1. Nd5 The White queen is under attack, yet one shall not rush and ...
4
votes
3answers
295 views

What's the deep idea behind this puzzle?

I'm trying to get better by doing many tactics puzzles a day. This one I found very interesting. [FEN "6rk/6rp/p3pQ2/3pP3/3Pb3/1PP1PRR1/4q2P/6K1 w - - 0 1"] 1. Qxg7+! Rxg7 2. Rf8+ Rg8 3. ...
2
votes
2answers
310 views

Why Is Black forced to give up the queen in this puzzle?

[FEN "1r4k1/3q3p/p2P2r1/4pNNQ/5p1P/P7/6PK/8 w - - 0 1"] I got this position as a puzzle with White to play. The correct move was 1. Ne7, followed by 1... Qxe7 and 2. dxe7. To me, it seems ...
0
votes
1answer
134 views

lichess puzzle 61124

I am a beginning chess player, and just had a look at lichess puzzle 61124. The following contains spoilers. The solution to the puzzle is supposedly Rd4, then the follow-up move from white is Nb6, ...
4
votes
4answers
505 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 ...
11
votes
3answers
2k 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
880 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 ...
14
votes
2answers
571 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 ...
7
votes
1answer
403 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
396 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
429 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 ...