12th December

I hate winter and Thursday is usually the hardest day on my schedule. But today I am off to London and looking forward to it a lot!

11 thoughts on “12th December”

  1. Hi Jacob,

    First thanks for the every day exercise.

    Weakness is the pawn on f7 and the backrow.
    White also has to look out for Nf3 check
    I would start with
    1 Qf4 threat on f7, and also threat of Ra8 and qb8. And on f5 Ra7 and Ra8

  2. 1… Nf3+ is a nasty thread. So let’s go 1. Kf1 and wait. The threats are 2. Ra7 and 2. Rd1. What can Black do? Nothing!

  3. 1.Kf1 appears best. I see no saving continuation for black. It seems that taking on e4 is his best option.

    I also examined the following moves:
    1.Ra3 Nf5=.
    1.Ra8 Qa8-+.
    1.Rd1 Nf3-+.
    1.Qf4 Kg7=.

    And yes, thank you, Jacob, for presenting these puzzles every day.

  4. Well, I thought I left another comment, but something went wrong, I guess.

    But yesterday I saw that on Qf4 black can play Nf5 because on Ra8 black has Qd1 and Nf3…
    And also Qd7 is playable. After Ra8 black has Re1 and Rg1.

  5. My first move would be 1.Kg2 to step out of Nf3 and Qxd1 checks. Now both Ra7 and Rd1 are threats.
    1.Kg2 f6 2.Ra7 K… 3.Qf4;
    1.Kg2 Nc6 2.Qf4.
    1.Kg2 Qb6 2.Ra8 Rxf2+ 3.Kxf2 Nc6/Nf3 4.Qc5 wins.

  6. Schaefer – Postny, Bundesliga 23/11-2013
    38.Rxa8? Qxa8!
    38.Ra7? Nf3+
    38.Kg2?! Nf5=

    In the game White lost after 38.Qf4? Qd7 39.Qf6? Rxe4 40.Ra8 Re1+ 41.Kg2 Qd5+ 42.f3 Qxf3+ and so on.

    The winning move was 38.Kf1! and there is no defence against Rd1 as 38…Nf3 39.Bxg6+ is conclusive.

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