Posers and Puzzles

Posers and Puzzles

  1. Joined
    25 Aug '06
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    04 Dec '06 20:25


    Mate in 9 moves.
  2. SubscriberBigDoggProblem
    Court Jester
    lacking discretion
    Joined
    26 Nov '04
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    04 Dec '06 22:151 edit
    Originally posted by David113
    [fen]B3K3/p4p2/8/5Pp1/6Pp/2p1P2p/2PP1Pnp/R5bk[/fen]

    Mate in 9 moves.
    White needs to promote a pawn to add a third attacker. Black has several ways of playing out his pawn tempos. White must choose his promotion carefully to provide a timely unpin once the pawn tempos run out.

    1.d4!
    1...a5 2.d5 a4 3.d6 a3 4.d7 a2 5.d8=N f6 6.Nb7 N~ 7.Nc5+ Ng2 8.Ne4 N~ 9.Ng3#
    1...a6 2.d5 a5 3.d6 a4 4.d7 a3 5.d8=R a2 6.Rd4 f6 7.Re4 Ne1 8.Rxe1 a1=Q [8...Kg2 9.Rf4#] 9.Ra4#
    1...a5 2.d5 Nf4 3.d6+ Ng2 4.d7 a4 5.d8=B a3 6.Ba5 a2 7.Bxc3 f6 8.Be1 Bxf2 9.Bxf2#
    1...a6 2.d5 Nf4 3.d6+ Ng2 4.d7 a5 5.d8=Q a4 6.Qd5 a3 7.Qf3 a2 8.Qxh3 f6 9.Bxg2#

    AUW. Excellent composition - it is not easy to do this in a long directmate.
  3. Joined
    25 Aug '06
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    05 Dec '06 20:00
    You are right (as usual 😀)
  4. SubscriberBigDoggProblem
    Court Jester
    lacking discretion
    Joined
    26 Nov '04
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    05 Dec '06 21:52
    Originally posted by David113
    You are right (as usual 😀)
    I'd like to know the composer's name, publication, and year if you have them.
  5. Joined
    25 Aug '06
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    06 Dec '06 17:00
    I think I saw this problem on one of Krabbe's dutch language columns:

    http://www.xs4all.nl/~timkr/admag/

    Unfortunately columns 1-309 are now gone. I don't know if I saw it in one of the surviving ones or not. Try asking Krabbe:

    timkr@xs4all.nl
  6. Joined
    25 Aug '06
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    30 Dec '06 21:30
    Just found in my notebooks:

    The problem is by J. Pedersen, 1952.

    I don't know the place of publication.
  7. look up
    Joined
    26 Dec '06
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    30 Dec '06 21:401 edit
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