Daily puzzle 051407

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

Yesterday's solution: 15.Nxe7!! Be6 [15...Nxe7 16.Rb3 Qxa2 17.Qc3+-] 16.Nd5 Na5 17.Bd4! Nxc4 18.Qg5 Ne5 19.Qxf6+ Kh6 20.f4 Rhe8 21.Qg5+ 1?¢‚Ǩ‚Äú0, Stein-Pelikan, Mar del Plata 1966.

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