1. Standard memberSwissGambit
    Caninus Interruptus
    2014.05.01
    Joined
    11 Apr '07
    Moves
    92274
    09 Jun '08 20:12

    Helpmate in 3
    a) diagram
    b) with wRb4 instead of Nb4.

    In a helpmate, White and Black cooperate to achieve checkmate of Black. Black moves first and White's 3rd move mates Black.
  2. D4
    Joined
    17 Jan '08
    Moves
    683
    10 Jun '08 16:11
    a) 1... Nxc4 2. Nd5 Ne3 3. c4 Rf4 4. Nxe3#

    It's not too hard when you realize that c4 is necessary and that the knight has to give mate.

    Still working on b...
  3. Backside of desert
    Joined
    09 Nov '06
    Moves
    14828
    10 Jun '08 18:29
    b. 1. ... Nxc4 Rxc4 2. Rxc3 Bxc3 3. Bc8 Bxc8

    seeing a helped
  4. Standard memberSwissGambit
    Caninus Interruptus
    2014.05.01
    Joined
    11 Apr '07
    Moves
    92274
    10 Jun '08 18:40
    Originally posted by preachingforjesus
    b. 1. ... Nxc4 Rxc4 2. Rxc3 Bxc3 3. Bc8 Bxc8

    seeing a helped
    That's not mate - 4.Nd7 is possible.
  5. Joined
    29 Apr '05
    Moves
    827
    13 Jun '08 14:19
    are you sure its all correct? R@b4? i tried for about 3 hours (with breaks) by now
  6. Joined
    25 Apr '06
    Moves
    5939
    13 Jun '08 15:07
    Originally posted by crazyblue
    are you sure its all correct? R@b4? i tried for about 3 hours (with breaks) by now
    Yes, it is possible with a wRb4.
  7. Standard memberSwissGambit
    Caninus Interruptus
    2014.05.01
    Joined
    11 Apr '07
    Moves
    92274
    13 Jun '08 19:16
    Originally posted by crazyblue
    are you sure its all correct? R@b4? i tried for about 3 hours (with breaks) by now
    Yes, b) wRb4 is the correct stipulation. The solution is thematically similar to a).
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