It’s Your Move: daily chess puzzle # 103

White to play and win

Korchnoi v Bronstein, 1964-5

Solution

Hard or not hard? At first, at least for a few moments, I couldn't see how to break into Black's defensive camp, perhaps omitting to look at sacrificing the queen. But then examine all biffs, and 1 Qe7+! came to mind, and then it was 'obvious': 1…Ke7[] 2 Rg7+ Ke8[] 3 Nf6 mate.

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