# 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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### 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 ...
4k 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 ...
345 views

### Why did black choose 1… Kxg7 instead of 1… Rfe8 in this puzzle?

I have a doubt with a puzzle that I solved recently. The proposed solution for that puzzle is as below. [FEN "r4rk1/pp4np/2n1bppB/qNQ1p3/8/6P1/PP2PPBP/R4RK1 w - - 0 1"] 1.Bxg7 Kxg7 2.Bxc6 bxc6 3.Nd4 ...
1k views

### As Black, what is the fastest way to beat Gnu Chess on easy mode?

This is more of a puzzle. As far as I can ascertain, Gnu-Chess on easy mode always plays the same movesm What is the least amount of moves required to beat Gnu Chess on easy mode? Just to clarify, you ...
5k views

### Brainteaser: What is the one thing a queen cannot do that all other pieces can do?

A simple brainteaser - A queen cannot do something all other pieces can do. What is that? April 18 2014 9:15 PM GMT. EDIT: In this context, by "doing" I mean making a move that leads to the desired ...
4k views

### Sherlock Holmes vs Professor James Moriarty, A Game of Shadow-Chess Game Position Reconstruction

The chess scene between Sherlock Holmes and Professor James Moriarty in the movie Sherlock Holmes: A Game of Shadows is one of my favorite movie scenes of all time. What intrigued me even more was ...
369 views

### Best White Move

I'm building a chess engine and trying to figure out how good are the moves generated. Can you tell what is the best move for white in following position and why? Thanks. [fen "r1b1kbnr/2p2ppp/p1p5/...