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Fortress in K+B vs Q Endgame

  • 24 months ago · Quote · #1

    Delenn

    ''A bishop and a knight usually lose, but some very rare exceptions exist; one of them should be remembered.'' says IM Dvoretsky in his famous Endgame Manual.

     

    The positions of Black's king and queen are irrelevant. The combination of bishop on b2 and a knight on d4 covers the squares a3, b3, c3, c2 and c1, creating an impassable barrier for Black's king. Also it's not possible to force to White into zugzwang. (Also please notice how White's pieces protecting each other.)
    Now let's check Karstedt's position. ( The chess composer who discovered this possibility)
    A fascinating concept but it's nearly impossible to happen in an actual chess game right? I would agree with you a few days ago but it happened one of my games lately. In fact this is why I'm making this post. 
    And finally a small quiz to test your understanding of this concept.


  • 24 months ago · Quote · #2

    1pawndown

    Very interesting. Thank you.

  • 24 months ago · Quote · #3

    Balachandar

    Great.

  • 24 months ago · Quote · #4

    AnthonyCG

    This is  really instructive.

  • 24 months ago · Quote · #5

    checkmateibeatu

    Interesting! I previously thought a queen won almost all endings, seing that she could pick up all of the pieces via fork one by one, but I must be wrong!
  • 24 months ago · Quote · #6

    Cry_Wolf

    trying to win that "won" position for white (with the queen) must be hell... I can barely handle QvN

  • 24 months ago · Quote · #7

    basant

    like it..

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