<div class="user_solution"><b>1. h7 Bc3<br />2. f6! Bxf6</b><br />[2. ... exf6 3. Ne7#<br />2. ... Qxf6 3. h8Q+ Qxh8 4. Nxe7#]<br /><b>3. Nxe7+ Bxe7<br />4. h8Q+ Bd8<br />5. Qh1! f3</b><br />[5. ... Qe7 6. Qc6+ Bc7 7. Qb7+ Kd8 8. Qb8#]<br /><b>6. Qxd1 Qe7<br />7. Qd7+! ...</b><br />[7. Qxf3? Bxb6 8. Qc6+ Qc7 9. Qe8+ Qd8 10. Qc6+ Qc7 =]<br /><b>7. ... Qxd7<br />8. exd7 Kxd7<br />9. Kb7! +-</b><br />[9. Bxd8? Kc8! -+]<br /><br /><span class="st">Plachutta interference</span></div>