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Bishop, Knight & King versus King.

  • #141

    It is more difficult to do it in the shortest number of moves against accurate defence, but even that would be easy if you knew how.

  • #142
    GoodKnight0BadBishop wrote:

    The American Flag is what is next to my username.


  • #143
    GoodKnight0BadBishop schreef:
    MARattigan wrote:
    GoodKnight0BadBishop wrote:
    xman720 wrote:

    1: Can you show how that works in the relevant position instead of an easy position.

    2: I'm pretty sure if black hadn't run straight towards h1 it would've taken a lot longer to mate him.

    You give me a position and I can checkmate from there.

    After after Black's obvious 6...Ke5 in your example, can you still do it in 19?


    I'll offer to play Black against you in this one if you like.

    Black to move.


    Whoa! If it is black to move in that position, then he'll play Kf3 followed by the unstoppable Kg2 trapping the knight! Those positions are exceptional positions where a piece is lost. Give another position.


    Right with black on move the knight is lost. With White on move you can win like this.



  • #144

    One move quicker is:


  • #145
    drbob_mccord wrote:

     I got it once in a practice game but that was only once in many attempts. It only takes one slip in the worst case 30 move position to give away a half point. Still there is a technique, but I wouldn't steer into this ending in an over the board game and expect to win. If you have a chess computer it wins infallably and Paul Keres explains how to do it well in his book "practical chess endings" but you can't take the book into a tournament or use a chess computer!

    I bought Keres' book once, though it opted not to get off the train at the same stop as me a few days later.

    I was put off Keres' explanation by the fact that he blundered with Black on move 2 and then failed to take advantage on move 3 with White.

    Curiously I had occasion to get Batsford Chess endings recently and noticed they do exactly the same, and as far as I can remember (it was about 45 years ago I bought Keres) from the same starting position. (Not accusing anyone of copying you understand.)

    This is not a small blunder. I tried playing the Nalimov EGTB  from the position after move 2 in BCE and finished in half the time the text takes. I think Keres might even have taken one move longer than BCS.


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