It’s Your Move: daily chess puzzle # 13

White to play and win

Tal v Unzicker, Stockholm 1960

Solution

Two motifs immediately spring to mind: something nasty happening on f7, perhaps coupled with Qb3+, and Black's queen is in a bit of a net. Combining these, 1 Bd2! is nice move to be able to find. If 1…b4 2 Bf7+ Kf7 3 Qb3+ Kf8 4 Ng5 1-0; or 3….Kg6 4 Nh4+ Kh5[]

5 Qf3+, 6 Qg3+, 7 Qg5 mate.

If instead 1…Qa4 then something else nasty happens on f7: 2 Bb3 Qe4 3 Ng5 1-0

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