Daily puzzle 051507

What do you play with White? The solution will be published tomorrow.

Yesterday's solution: 14.Nf5!! exf5 15.exf5+ Kf8 16.Ne4! Qc7 17.Kb1! Be8 [17...d5 18.Bxc4 dxc4 19.Nd6 Be8 20.Rxe8++-] 18.Bxc4 Qxc4 19.Nxd6 Qxc2+ 20.Ka1 Qc7 21.Nxc8 Qxc8 22.Qe2+- Matulovic-Bertok, Yugoslavia 1966.

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