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Posers and Puzzles

Posers and Puzzles

  1. 18 Jun '08 00:42 / 1 edit
    White to play and mate.
    White is allowed to move only his Bishops.
    The White King and pawns are not allowed to move.

    The Black King and Black pawns can move.

    Invalid FEN inserted - 8/4p1B1/2P5/4pP1p/2P1P2P/P6B/2K2PP1/k7/w--


    H.E. Dudeney BCM 1917
  2. 18 Jun '08 09:31 / 3 edits
    Originally posted by greenpawn34
    White to play and mate.
    White is allowed to move only his Bishops.
    The White King and pawns are not allowed to move.

    The Black King and Black pawns can move.

    [fen]8/4p1B1/2P5/4pP1p/2P1P2P/P6B/2K2PP1/k7/w--[/fen]

    H.E. Dudeney BCM 1917
    1 Bh6 Ka2
    2 Bc1 Ka1
    3 Bd2 Ka2
    4 Bb4 Ka1
    5 Bc3+ Ka2
    6 Bb2 (zugzwang) e6
    7 Bc1 Ka1
    8 Bd2 Ka2
    9 Bb4 Ka1
    10 Bc3+ Ka2
    11 Bb2 (zugzwang) ef
    12 Bxe5 Kxa3
    13 Bc3 fe
    14 Bd2 e3
    15 Bxe3 Kb4
    16 Be6 Ka5
    17 Bc8 Kb4
    18 Ba6 Ka5
    19 Bb5 Kb4
    20 Bb6 Ka3
    21 Bc5+ Ka2
    22 Ba4 Ka1
    23 Bb4 Ka2
    24 Bb3+ Ka1
    25 Bc3#

    or

    12... fe
    13 Bd4 Kxa3
    14 Bc8 Kb4
    15 Ba6 Ka5
    16 Bb5 Kb4
    17 Bb6 Ka3
    18 Bc5+ Ka2
    19 Ba4 Ka1
    20 Ba3 e3
    21 Bb2+ Ka2
    22 Bb3#
  3. 18 Jun '08 15:50
    You have it.
    Zuggers is the key to get other Bishop into the game.

    A beautiful composition from a wonderful idea.