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Frosted Board

Puzzle #35: Mill

  • DifficultyHard
  • To moveLight
  • TaskWin in 3
  • Main line5 half-moves

Light to move, with 8 light and 4 dark men in the game. Placement is over; from here on a turn means sliding one man to an adjacent free point.

A mill is not enough here: win the game within 3 moves, leaving the opponent with two men or with no legal move.

What the position is about

  • sliding phase — Every man is on the board; a move is one step along a line to an empty neighbour.

Finding the way in

In the winning endings the opponent is short of men or of room. Count their legal moves after each of yours: taking away the last free point wins as surely as taking a man.

Play the position in your head from the opponent's side: what would you do against your favourite move? If there is a good answer, try the next candidate.

Show the first move

Start with d2-d3xg4. Played out against the stiffest resistance, the whole line goes: d2-d3xg4 d1-d2 e3-e4 a1-a7 g7-g4xa7.

Solve it and the next puzzle of the same game is one tap away. Your solved puzzles are ticked in the list, in this browser only.