Zwischenzug Chess

Zwischenzug Chess

GM Nimzo-Indian Prep

Eugene breaks down a critical World Cup match

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Nate Solon
Nov 21, 2025
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At the top level, a single twist in the opening can mean the difference between victory and defeat. In today’s Opening Update, GM Perelshteyn breaks down a key encounter from the FIDE World Cup, Donchenko-Liem.

Having drawn the first game with Black, Donchenko could assure match victory with a win with the White pieces. He did just that using a tricky idea in the Nimzo-Indian that caught Liem unprepared. Liem responded inaccurately, got a bad position, and never recovered.

GM Perelshteyn breaks down not only the key idea used by Donchenko, but many other concepts in the Nimzo-Indian. Required viewing for anyone who plays the Nimzo with either color.

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