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How to Checkmate with Bishop and Knight

This video demonstrates how to checkmate with the bishop and knight. After some experimentation with solving the bishop and knight checkmate, I found that the the first step of simply centralizing ones pieces on the four center squares, with the knight on the same color square as the bishop, is an efficient coordination of the pieces. The knight from such a position is then very quick to becoming optimized in what follows of the Deletang's Triangles, where the king is forced into a large triangle, a medium triangle, and then a small triangle. Once the king is in the small triangle and restricted to exactly two squares, we give checkmate. Practice makes perfect!



  • 4 weeks ago


    Dang. THat was amazing! How did you figure it out? or at least memorized it?

  • 5 months ago


    Thank you so much for this wonderful video. As a novice, I don't get invited to many endgames against good players, but if it happens like this I should know now what to do.

  • 19 months ago


    Great method!  I don't think I've ever seen this explained so well. 

    I'll be reviewing this again and again until I have it down cold. 

  • 20 months ago


    Everyone appreciates all of the effort that you put into your educational videos, thanks

  • 20 months ago


    yep, great explanation

  • 20 months ago


    I think, I am following your procedure without knowing it...

    But now with this formula or procedure, we can save a lot of time( after reaching this position may be both players are running out of time).

    Thanks for sharing you very best ideas.

  • 20 months ago


  • 20 months ago


    @ortodata what is continue if black plays 20.Kc6?

    please explain

  • 20 months ago


    Thank you Jerry!

  • 20 months ago


    Thanks for making it so to the point.  One thing I always found interesting with this combination was that there are two other mating positions possible, but they cannot be forced.  (A) Black King at e8, White King at d5, Bishop at d7, and Knight at f6 (e6, f7, b7) mate:








    (B)  Black King at g8, White King at h6, Knight at g6, Bishop at d5 mate.

  • 20 months ago


  • 20 months ago


    Nice Jerry!

  • 20 months ago


    Thank you for a great explanation!

  • 20 months ago


    Great video, as always!

  • 20 months ago


    great video... one slip and you can easily draw on 50 moves.

  • 20 months ago


    Nice video, transforms what would at first appear to be a very complex problem into a concise formula.

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