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Posers and Puzzles

Posers and Puzzles

  1. 10 Apr '08 00:35

    H#5*

    The stipulation means, there are two problems to solve:

    1. From the given position, WHITE moves first, black & white cooperate, white's 5th move is mate.
    2. From the given position, BLACK moves first, black & white cooperate, white's 5th move is mate.
  2. 14 Apr '08 00:14
    OK, here is another helpmate challenge:

    Compose a helpmate in 4 moves with a single solution. In the solution, Black's 4 moves are promotion to rook. As usual, the initial position should be legal and without promoted pieces.
  3. Standard member SwissGambit
    Caninus Interruptus
    14 Apr '08 02:12 / 1 edit
    Originally posted by David113
    OK, here is another helpmate challenge:

    Compose a helpmate in 4 moves with a single solution. In the solution, Black's 4 moves are promotion to rook. As usual, the initial position should be legal and without promoted pieces.
    I have 1 of the 2 sols in the first one. The set play eludes me.


    h#4
  4. 14 Apr '08 10:24
    Originally posted by SwissGambit
    I have 1 of the 2 sols in the first one. The set play eludes me.

    [fen]K7/8/8/2P3p1/8/8/8/7k[/fen]
    h#4
    In the position you gave, only one black move is a promotion.
  5. Standard member SwissGambit
    Caninus Interruptus
    14 Apr '08 16:39
    Originally posted by David113
    In the position you gave, only one black move is a promotion.
    Your stipulation was unclear. I see now that you want four Black Rook promotions. That would make for a more interesting challenge...
  6. Standard member SwissGambit
    Caninus Interruptus
    15 Apr '08 02:22
    Originally posted by David113
    [fen]8/p1p5/KpPp2p1/1P1P2P1/5Q2/8/6k1/8[/fen]
    H#5*

    The stipulation means, there are two problems to solve:

    1. From the given position, WHITE moves first, black & white cooperate, white's 5th move is mate.
    2. From the given position, BLACK moves first, black & white cooperate, white's 5th move is mate.
    1...Qd4 2.Kf3 Qxb6 3.Ke4 Qa5 4.Kxd5 b6+ 5.Kxc6 Qb5
    1.Kh3 Qe5 2.dxe5 d6 3.Kg4 d7 4.Kf5 d8Q 5.Ke6 Qd7
  7. 15 Apr '08 10:24
    Originally posted by SwissGambit
    1...Qd4 2.Kf3 Qxb6 3.Ke4 Qa5 4.Kxd5 b6+ 5.Kxc6 Qb5
    1.Kh3 Qe5 2.dxe5 d6 3.Kg4 d7 4.Kf5 d8Q 5.Ke6 Qd7
    Excellent
  8. Standard member SwissGambit
    Caninus Interruptus
    16 Apr '08 03:45
    I made a h#3 with 3 bR promotions. It had scads of promoted force, though. I'm not even sure it was a legal position - I was mainly trying to get the sequencing down. I don't really make many helpmates. I picked a doozy of a task to try out, didn't I? It's kind of like that h#5 challenge where both sides promote to an N [with pawns starting from their home squares]. Every n00b tries it, but it still remains unsolved.