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Posers and Puzzles

Posers and Puzzles

  1. 12 Dec '06 22:09


    Selfmate in 3 moves.
  2. 12 Dec '06 22:47
    Originally posted by David113
    [fen]7N/Ppp2P2/Rrk4P/K1P5/1P2P2P/2P4Q/5p1R/5NB1[/fen]

    Selfmate in 3 moves.
    Why would you want it in 3 when i see it in 1?
  3. 12 Dec '06 23:29
    In a selfmate Black DOESNT want to mate White.
  4. 13 Dec '06 00:03
    Originally posted by darkguy00000
    In a selfmate Black DOESNT want to mate White.
    oh sorry. I didnt read the whole thing. I thought it was just another mate in 3 problem. I didnt see the SELF part. I feel stupid now.
  5. Subscriber BigDoggProblem
    The Advanced Mind
    13 Dec '06 00:13
    Originally posted by David113
    [fen]7N/Ppp2P2/Rrk4P/K1P5/1P2P2P/2P4Q/5p1R/5NB1 w - - 0 1[/fen]

    Selfmate in 3 moves.
    If I were a betting man, I'd bet on a Babson.

    1.a8B pins the b7 pawn. White's plan is to allow fg1, then kill the promoted piece. Black then has nothing left but ...Rxa6#.
    1...fxg1Q 2.f8Q Qxc5+ 3.b5+! Qxb5# [Qf8 needed to control g8 and d6]
    1...fxg1R 2.f8R! Rxf1 3.Rxf1 Rxa6# [a wQ on f1 spoils the mate]
    1...fxg1B 2.f8B! Bxc5 3.Bxc5 Rxa6# [Qc5 checks prematurely]
    1...fxg1N 2.f8N! Nxh3 3.Rxh3 Rxa6# [Nf8 needed to guard d7]

    I have given only the lines that show the reasoning behind White's promotions.