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An original puzzle


  • 24 months ago · Quote · #2

    BorgQueen

    Rating 2396 and you can't solve this simple puzzle?!

    lol

  • 24 months ago · Quote · #3

    Conflagration_Planet

    Give the answer then Borg.

  • 24 months ago · Quote · #5

    waffllemaster

    Tried for a bit, very tough because of drawing resources.  I'm having trouble making a position with 2 threats where there's no stalemate or drawn pawn endgame.

    So I don't think it's too simple because the queen can often sac itself for either piece to make a draw pretty easily.

  • 24 months ago · Quote · #6

    BorgQueen

    Hahaha!  I was just teasing Kacparov here, I have no idea how to solve it :-p

    When you do find the answer, please post it!

  • 24 months ago · Quote · #7

    stubborn_d0nkey

    I think I might be able to solve this with endgame tablebases, just by myself would probably be too hard

  • 24 months ago · Quote · #8

    BorgQueen

    Good luck!  I found it impossible to avoid a win by the queen-side let alone stopping draws and having the knight side win!  I only gave it 20 minutes though.

  • 24 months ago · Quote · #9

    waffllemaster

    stubborn_d0nkey wrote:

    I think I might be able to solve this with endgame tablebases, just by myself would probably be too hard

    Yeah, that'd be pretty easy, just look through the 7 million different combinations of 5 pieces on 64 squares and you'll have it in no time!

    And hey, because of mirror positions and possibly more than 1 solution, you may have only 1 or 2 million to look through.  Good luck.

  • 24 months ago · Quote · #10

    waffllemaster

    I kept trying to make this type of thing work, but I decided it can't and has to be something else :)

    Threatens two different mates, lookin good?

     

     

    But there are too many checks on the 6th rank, the most annoying is just Qf6+ because of the stalemate.

    Queen close to same rank or file as king eliminates lots of checks.  I also tried to use knight as fodder to hamper the queen.  But in those cases couldn't set up a threatening enough position.

  • 24 months ago · Quote · #11

    BorgQueen

    I tried similar positions, there's just no way I could find to stop checks that lead to either a draw or win for the queen-side.

  • 24 months ago · Quote · #12

    stubborn_d0nkey

    Wow wafflemaster, ? What I obviously meant is that there may be a line where white can queen that is a winning KQN vs KQ. Looking at all such positions (the KQN vs KQ that can arise) and seeing whether they are a win or a draw would be too much for me.

  • 24 months ago · Quote · #14

    heinzie

    *Spoilers*

    http://kirill-kryukov.com/chess/longest-checkmates/

    edit: fortunately that doesn't really help any, either

  • 24 months ago · Quote · #15

    stubborn_d0nkey

    It may be able to give the answer

  • 24 months ago · Quote · #16

    BorgQueen

    That's closer than I got Kacparov, still no cigar tho! :-)

  • 24 months ago · Quote · #18

    Conflagration_Planet

    E mail one of the IMs or GMs on here, and ask them.

  • 24 months ago · Quote · #19

    waffllemaster

    stubborn_d0nkey wrote:

    Wow wafflemaster, ? What I obviously meant is that there may be a line where white can queen that is a winning KQN vs KQ. Looking at all such positions (the KQN vs KQ that can arise) and seeing whether they are a win or a draw would be too much for me.

    That was my idea too, but I was too lazy to go look up in one of my endgame books to learn when Q+N can beat Q and then try to come up with some clever way to force that position.

    That would be a good way to approach the problem though.

    (And putting random positions in an EGTB may take a long time).

  • 24 months ago · Quote · #20

    martos

    This position is from a Troitzky's study




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