Please turn on javascript in your browser to play chess.
Posers and Puzzles

Posers and Puzzles

  1. 04 Apr '05 13:27 / 1 edit


    white to play. Checkmate in 2.

    author: K. Junker
  2. Subscriber BigDoggProblem
    The Advanced Mind
    04 Apr '05 16:35
    Originally posted by Mephisto2
    [fen]8/8/1p6/1P5p/P3R2P/8/1pQN1kB1/bK4R1 w[/fen]

    white to play. Checkmate in 2.

    author: K. Junker
    1.Rb4! (zz)

    1...Kxg1 2.Nf3#
    1...Kg3 2.Nf1#
    1...Ke2 2.Nc4#
    1...Ke3 2.Nf1#
  3. 04 Apr '05 16:40
    yep.

    ps. what does (zz) mean?
  4. Subscriber BigDoggProblem
    The Advanced Mind
    04 Apr '05 17:29
    Originally posted by Mephisto2
    yep.

    ps. what does (zz) mean?
    zz = zugzwang. In problemist terms, it means that white's key move is not making a threat.
  5. 04 Apr '05 17:36
    Thanks. It is a zugzwang issue indeed. If black were to move first, it would have been a mate in 1.