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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15
votes
12answers
4k 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 ...
7
votes
1answer
171 views

Uniquely Satisfying Puzzle

Here is a fun puzzle I found some time ago. It was created by Karl Fabel in 1952 and published in Rätselstunde. Goal [title "White to move and NOT checkmate in one!"] [fen "B5KR/1r5B/6R1/2b1p1p1/...
6
votes
1answer
130 views

Useful solving composed mate-in-2 problems?

I'm solving mate-in-2 puzzles from the Polgar 5334 problems book. Many of these are composed problems, and are hard (for me) to solve. Often I have to spend 10-15 minutes before finding the solution....
1
vote
0answers
93 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 ...
6
votes
2answers
412 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, ...
26
votes
4answers
5k views

Stalemate situation with all pieces on the board

Suppose all the pieces are on the board. Does there exist a position such that A) one of the players can't make any move (a stalemate)? B) neither player can make any move (a double stalemate)?
0
votes
1answer
97 views

What are the maximum number of pieces that can be checking a king at once [duplicate]

Was just thinking about this. It's easy to have two pieces checking the king via a discovered double check, but three is where it gets interesting. Finegold said in a video he was TDing for a game and ...
5
votes
2answers
110 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 ...
2
votes
2answers
136 views

Attempting to create a retraction puzzle

I'm trying to create a retraction puzzle, but I'm not sure whether or not it is sound. I'm not sure where to find resources on how to make a retraction puzzle. I have two related questions- 1-Is my ...
3
votes
2answers
176 views

Looking for an old problem that I can't quite remember

I remember seeing a chess problem once that I cannot find. I think that I saw it in a YouTube video, but I seem to find it again. The theme of the puzzle, I think, was something like caging in the ...
3
votes
2answers
335 views

Is it better to start without 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
1answer
149 views

Where can I find these mentioned chess problems?

In his article on “The Horse Concoction", Tim Krabbe mentions retrograde analysis questions that center around checkmate and involve 10 rooks, knights, and bishops. The 10 rooks problem is one that he ...
0
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2answers
227 views

Regarding The Horse Concoction-A Retrograde Analysis Question

Long ago in 2000, Tim Krabbe presented Harry Goldsteen’s “The Horse Concoction,” presented here on the Internet, which some of us know about. Take an empty board. Put white pawns on b3, b6, h4 and ...
30
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4answers
4k views

Endgame puzzle: How to avoid stalemate and win?

I'm stuck on this problem a friend shared with me recently, with barely any pieces left and apparently white is able to force a win but I've been hitting a wall with everything I've tried so far, as ...
3
votes
2answers
118 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, ...
1
vote
2answers
326 views

An Interesting Idea: Pinned Pieces Stalemate

I had an idea for a type of stalemate: One side cannot move at all because the king is trapped and all of that side’s pieces and pawns are pinned. This means that that side has no legal moves, and ...
3
votes
1answer
154 views

What is the highest number of possible forced checkmates in a legally reachable legal position?

Not a duplicate of, but inspired by: A position in which checkmate is forced (obligatory) That question has a bit of variation, and my question is far more specific. My answer to it was like this: [...
4
votes
1answer
119 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 ...
0
votes
4answers
180 views

Can someone make a puzzle in which a KNN vs. K checkmate is forced in the end?

No, I am not asking if a KNN vs. K can be forced if those are all that's on the board. It is well known that this is impossible. (I wasn't quite sure om if I should have put this in here or in the ...
1
vote
1answer
84 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 ...
0
votes
1answer
74 views

Resource for Chess Problems about particular topics

Most puzzles I find are where payout is relatively high. e.g mate in 2-3 moves, play right and get a piece etc. However, I needed a resource which gives me some puzzles/exercises about particular ...
4
votes
3answers
395 views

Solvable studies that computers fail to crack

Are there chess studies that require an outside of the box thinking that goes beyond the concrete calculation capabilities of today's engines (e.g. Stockfish)? I have sometimes seen certain endgames ...
1
vote
3answers
210 views

What are the quckest helpmates delivered by rook, knight, bishop, and pawn?

What are the quickest helpmates, which is where both sides help administer checkmate to one side, delivered by the rook, knight, bishop, and pawn? Said piece has to deliver the checkmate on the final ...
1
vote
1answer
105 views

Position with the largest material imbalance that is a draw, no matter whose turn it is?

I am curious if there is a known position with the largest material imbalance that, no matter who it is to move, the weaker side can hold a draw.
0
votes
1answer
116 views

super stalemate [duplicate]

Your challenge. Find a position such that one side cannot make any legal or illegal moves. I.E. Make it such that that even if you were allowed to move your king into check there would still be no ...
2
votes
1answer
157 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
363 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 ...
1
vote
1answer
116 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
2
votes
2answers
269 views

Easy mate in three

This time an easy puzzle I made up today. White mates in three. [FEN "7k/4Kp2/P4Np1/6R1/8/R6P/8/8 w - - 1 0"]
14
votes
2answers
2k views

Can white win in this almost 20 year old puzzle?

White to move. Can white force a win? (left bottom is a1 as usual) [FEN "4k2r/6p1/p4pKb/p2N3p/p7/p5Q1/p1n5/qrn5 w - - 9 9"] Note for people who saw an earlier version: the position was edited (...
8
votes
4answers
478 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 ...
8
votes
2answers
302 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"]
1
vote
1answer
116 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.
22
votes
2answers
4k views

Why underpromote in this KNNP-KR endgame?

In the position below, I'm promoting my pawn. The app says promoting to a Queen is incorrect, but a Rook is correct? In this setup it doesn't make sense. [FEN "8/1P6/3N4/8/8/3k4/r7/4KN2 w - - 0 1"] ...
8
votes
1answer
225 views

Which chess position requires the most moves to reach?

For each legal chess position there exist a shortest sequence of moves from the starting position to that position. Which position requires the most moves to reach?
15
votes
3answers
1k views

Beautiful retrograde analysis problem by Alexsey A. Troitsky

I saw this beautiful, subtle & accessible problem a couple of days ago, and wanted to share it with you folks. (It's by the ground-breaking endgame theorist who e.g. invented the "Troitsky line" ...
3
votes
3answers
268 views

What was Black's last move?

White to move. What was Black's last move? And what could have happened before that?
0
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2answers
119 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 ...
22
votes
3answers
6k views

White to play and checkmate in two moves

It’s White to play and checkmate in two moves. This puzzle was created by Frank Healey, and published in 5 Family Herald on 7/17/1858. 7R/1B1N4/8/3r4/1K2k3/8/5Q2/8 w - - 0 1
5
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3answers
330 views

Puzzles that highlight the finiteness of the chessboard

I'm curious as to whether there are compositions of chess puzzles/problems where the solution really emphasizes the boundedness of the board. Put differently, cases where the solution would be ...
9
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4answers
10k views

Chess Puzzle Database with PGN or FEN

Is there a database of chess puzzles that have the game or positions PGN and or FEN?
6
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1answer
293 views

Prove color of pawn and position of knight

I was recently given a retrograde type of puzzle to solve, even though I've managed to at least intuitively get close to an answer, I don't know how to put it in the form of an acceptable proof. For ...
4
votes
2answers
98 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
200 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 ...
41
votes
4answers
13k 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
1answer
322 views

Chess puzzle ONLY for strong players [closed]

After playing a game (black) at a local tournament I realized the algebraic notation at my score sheet is purely noted. Somewhere along the lines, probably around 15. and after, one or more moves are ...
8
votes
3answers
1k views

Maximum number of pieces on board in dead position

It is possible in a chess game to have a dead position in which both players have all eight pawns, one bishop, and a king--20 pieces total. If the two players' pawns are interlocked in "zig-zag" ...
11
votes
7answers
758 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 ...
38
votes
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
votes
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?