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Half move mates


  • 10 months ago · Quote · #21

    BigDoggProblem

    shoopi wrote:

    Checkmate in -0.5 moves:

     

    I bit my tongue on OP but can't do it twice. You don't retract the King first when you castle. Nor do you move the Rook first when playing forward.

    *STOMP STOMP STOMP*

  • 10 months ago · Quote · #22

    shoopi

    BigDoggProblem wrote:
    shoopi wrote:

    Checkmate in -0.5 moves:

     

    I bit my tongue on OP but can't do it twice. You don't retract the King first when you castle. Nor do you move the Rook first when playing forward.

    *STOMP STOMP STOMP*

    Oh, fine...

  • 10 months ago · Quote · #23

    shoopi

    BigDoggProblem wrote:
    shoopi wrote:
    BigDoggProblem wrote:

    @shoopi - so it's as if white checkmated, then played another move right after?

    Yes that's exactly right.

     

    @roopi: Right, I remember that one now :)

    It looks like -1.Nd5xRf6, but I don't see the purpose of all the pieces. Bb3 is promoted, sure - but that could have been Pf7 straight down. Not sure why it matters.

    That's the correct solution. And the purpose of all the black pieces is to prevent the option of retracting f5xg6.

  • 10 months ago · Quote · #24

    BigDoggProblem

    shoopi wrote:
    BigDoggProblem wrote:
    shoopi wrote:
    BigDoggProblem wrote:

    @shoopi - so it's as if white checkmated, then played another move right after?

    Yes that's exactly right.

     

    @roopi: Right, I remember that one now :)

    It looks like -1.Nd5xRf6, but I don't see the purpose of all the pieces. Bb3 is promoted, sure - but that could have been Pf7 straight down. Not sure why it matters.

    That's the correct solution. And the purpose of all the black pieces is to prevent the option of retracting f5xg6.

    Oh, I see. f5xg6 would have been tricky to find because even though I'm breaking convention and leaving the enemy K in check with a retracted move, the convention is so engrained in my mind that I didn't even think about trying f5xg6.

  • 10 months ago · Quote · #25

    BigDoggProblem

    Wonder if anyone has thought of:
     
    Double-stalemate in 2/3
  • 10 months ago · Quote · #26

    shoopi

    1. Place the pawn on h8.

    2. Remove the pawn from the board.

    3. Don't promote it, hence only 2/3 of a move. Double stalemate.

  • 10 months ago · Quote · #27

    BigDoggProblem

    shoopi wrote:

    1. Place the pawn on h8.

    2. Remove the pawn from the board.

    3. Don't promote it, hence only 2/3 of a move. Double stalemate.

    Yep. :)

  • 10 months ago · Quote · #28

    wbport

     

     

     

     

     

     

    This is an old one.

  • 10 months ago · Quote · #29

    BigDoggProblem

    wbport wrote:

     

     

     

     

     

     

     

    This is an old one.

    2 solutions.

    1) Finish castling

    2) Lift the wK in the air.

    Smile

    Edit: hmm, but not sure 1) is valid because that would be 'white already playing' instead of 'white to play'. :P


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