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Frosted Board

Puzzle #12: Mill

  • DifficultyEasy
  • To moveDark
  • TaskMill in 2
  • Main line3 half-moves

Dark to move, with 8 light and 6 dark men in the game. Placement is over; from here on a turn means sliding one man to an adjacent free point.

Your job is to close a mill in at most 2 of your own moves, and it has to work against every defence, including the opponent closing a mill of their own.

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.
  • block first — The opponent has a threat of their own, and the winning plan has to deal with it on the way.

Finding the way in

Look first for points where you already have two men on a line with the third point empty, then ask which of them the opponent can cover in one move.

Take your time. There is no clock on the result, and a wrong move is simply taken back so you can look again.

Show the first move

Start with g1-d1. Played out against the stiffest resistance, the whole line goes: g1-d1 d2-f2 d1-g1xa1.

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.