It’s Your Move: daily chess puzzle # 73

White to play and win

Donner v Dunkelblum, Beverwijk 1964

Solution

Nil points for me.

Yes, I found 1 d5!, which wins prosaically, but then I moved on to the next problem, thinking that I had solved this one. So I entered the diagram in my app and was amazed to find 1 Nd5+!!

As soon as you see it, the force of it is clear. If 1…Nd5, 2 Qh7 is mate.

If I were at school, the teacher would rightly given me lines: examine all biffs.

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