Lessons with a Grandmaster for Kindle by Boris Gulko & Joel Sneed

Author:Boris Gulko & Joel Sneed [Gulko, Boris]
Language: fra
Format: mobi
Tags: Sports & Outdoors
ISBN: 9781857447163
Publisher: Everyman Chess
Published: 2011-04-25T22:00:00+00:00

Exercise:

Which move is more appropriate: 50 e5 or 50 Ne3 - ? (difficulty level 3)

Joel:

White is going to use the dark squares. He will play his knight to e3 to protect g4. I would like to take the d6-square away from the knight with 50 e5 because it will have a hard time returning to the game, and if 50...fxe5, White’s king is centrally posted and White has a passed f-pawn.

Boris:

Very good. But again your consideration is not concrete enough. 50 Ne3 looks very natural because it attacks the bishop, but the knight can move either to e3 or f2 so I prefer to play 50 e5 first and then decide where the knight belongs. This retains maximum flexibility. It is essential as well to keep the e3-square available for the bishop. In the case of 50 Ne3 Be2 51 e5 fxe5+ 52 Kxe5 Ke7 Black builds a defense.

50 e5!

fxe5+

Boris:

Black would lose after 50...Be2 51 Nf2! (51 Ne3? would be bad, as then 51...fxe5+ 52 Kxe5 Ke7 transposes to the previous note) 51...Bf3 (now after 51...fxe5+ 52 Kxe5 Ke7 White wins with 53 Be3! – this is the reason 50 e5 was correct: as previously mentioned, White had to reserve the e3-square for the bishop) 52 Bc5 Be2 53 Ne4! Bxg4 (White would win as well after 53...fxe5+ 54 Kxe5 Bxg4 55 f6 Bh5 56 Nxg5) 54 exf6 Bh5 55 Ke5 Nc7 (vacating the e8-square for the king, otherwise Nxg5 is coming and the f6-pawn is unstoppable) 56 Nxg5 Ke8 57 Ne6! Kd7 58 Nxc7 Kxc7 59 Ke6 and White is winning.

51 Kxe5 Be2 52 Nf2! Nd6 53 Kf6 Nc4 54 Bc5 a5

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