1. SubscriberBigDoggProblem
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    08 Jul '06 02:44
    V. Barthe
    Les Cahiers de l'Echiquer Francais 1936

    Mate in 2
    a) diagram
    b) bQ on f6
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    09 Jul '06 16:502 edits
  3. Joined
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    09 Jul '06 17:01
    Originally posted by BigDoggProblem
    V. Barthe
    Les Cahiers de l'Echiquer Francais 1936
    [fen]1B6/2N1P3/4pQ2/R3nrp1/2Rnk3/1P3p2/2P2P2/6K1[/fen]
    Mate in 2
    a) diagram
    b) bQ on f6
    For a white queen, the white knight first takes the pawn on e6 (sorry I haven't learned proper chess notation yet). If black does not move his rook, then on white's next turn, rook to d4 and mate. If black moves his rook to take the white queen, then white rook to e5 and mate. If the black knight on e5 takes the white rook on c4, then white queen to c4 will also mate on the next move. Ok, I think I've covered all the possibilities. Now for the black queen....
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    09 Jul '06 17:07
    For a black queen, white rook on c4 takes black knight on d4, forcing the black king to take the rook. Then white rook to d5 and mate. I guess this would work for the white queen too, so this is probably the answer you were looking for.
  5. SubscriberBigDoggProblem
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    09 Jul '06 18:181 edit
    Originally posted by Ramiri15
    For a black queen, white rook on c4 takes black knight on d4, forcing the black king to take the rook. Then white rook to d5 and mate. I guess this would work for the white queen too, so this is probably the answer you were looking for.
    Your solution to a) is correct. (1.Nxe6!)

    However, in b), 1.Rxd4+ Kxd4 2.Rd5 is not mate, because Black has 2...Kc3.
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    09 Jul '06 19:30
    Originally posted by BigDoggProblem
    Your solution to a) is correct. (1.Nxe6!)

    However, in b), 1.Rxd4+ Kxd4 2.Rd5 is not mate, because Black has 2...Kc3.
    Okay, okay; I've got it. White knight to b5 forces a mate on the next turn. If the black knight on e5 takes the white rook on c4 (or makes any other move), then white knight to c3 mates. If black moves his rook from f5 to f4, then white knight to d6 mates, and if black does anything else, then white rook to d4 also mates.
  7. SubscriberBigDoggProblem
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    09 Jul '06 19:49
    Originally posted by Ramiri15
    Okay, okay; I've got it. White knight to b5 forces a mate on the next turn. If the black knight on e5 takes the white rook on c4 (or makes any other move), then white knight to c3 mates. If black moves his rook from f5 to f4, then white knight to d6 mates, and if black does anything else, then white rook to d4 also mates.
    Correct.
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    15 Jul '06 11:20
    The queen's colour does matter if black plays Rook f4
  9. SubscriberBigDoggProblem
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    16 Jul '06 05:25
    Originally posted by mrstabby
    The queen's colour does matter if black plays Rook f4
    Wrong. I suggest taking a closer look, or re-reading the thread.
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    16 Jul '06 17:25
    Hmm, lesson well learned in reading whole posts there.
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