# Puzzles

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Solving puzzles is a very good way of becoming a stronger player. Solve as many as possible! And feel free to post your own puzzles here.

## Piet Hein's puzzles

See article Piet Hein's puzzles

## Claude Berge's puzzles

See article Claude Berge's puzzles

## Bert Enderton

### Puzzle 1

Red to play and win.

### Puzzle 2

Red to play and win.

### Puzzle 3

Red to play and win.

This is a very difficult puzzle whose complete solution is extremely complex.

### Puzzle 4

Red to play and win.

## Other authors

### Puzzle 1

Blue to play and win.

### Puzzle 2

By lazyplayer. Blue to play and win.

### Puzzle 3

By David J Bush. Taken from a game on Playsite in 2003. Red to play and win.

Source: this Little Golem forum thread.

### Puzzle 4

Designed by Door1, helped by David J Bush. Inspired by a game on Kurnik in May 2005. Blue to play and win.

Source: this Little Golem forum thread.

### Puzzle 5

Designed by Arek Kulczycki. Game where both players play very close to perfect. Move 7.b9 was the first mistake, however it was very hard to refute it.
Blue to move and win (there is just 1 winning sequence).

### Puzzle 6

From Ryan B. Hayward, "A puzzling Hex primer" (https://webdocs.cs.ualberta.ca/~hayward/papers/puzzlingHexPrimer.pdf). Red to play and win.

Note that this position is equivalent to the position with the pieces at a5 and a6 removed. This could arise in response to the winning opening move a4.

### Puzzle 7

By Eric Demer. Red to play and win. Red has exactly one winning move.

### Puzzle 8

By Eric Demer. Blue to play and win.