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Solo walks the Troitsky Line!

Jun28
2019
Written by DCA

Another endgame masterclass by IM Stephen Solomon!

Alexei Troitsky established that if a black pawn is blockaded (by one of the white knights) on a square no further forward than the line a4–b6–c5–d4–e4–f5–g6–h4, then White can win the resulting endgame (and similarly in reverse for Black the line a5-b3-c4-d5-e5-f4-g3-h5), no matter where the other pieces are placed.

Stephen said that this was the third time he had converted this endgame in FIDE events!

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5 Comments

  1. John Harris
    June 28, 2019 at 9:32 pm | Permalink

    A fascinating endgame.Our tablebase indicates that this ending could have been drawn in the early stages.

  2. David Esmonde
    June 28, 2019 at 10:49 pm | Permalink

    Absolutely! – Solo was not on the line – the g pawn was well in advance of it!

  3. John Harris
    June 29, 2019 at 10:41 am | Permalink

    THe line seems to have been drawn incorrectly on the diagram. The position seems to be winning at this stage.This a very complicated ending that most players would not be able to handle.

    • David Esmonde
      June 29, 2019 at 3:48 pm | Permalink

      Hi John – I used the Black side of the Troitsky line – hoping to see if anyone noticed that the white side put the g pawn outside of Troitsky’s winning line.

  4. John Harris
    June 29, 2019 at 3:10 pm | Permalink

    oops I should have left judgements to tablebases.Even Karpov has messed this ending up.

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