Win (4 + 2)

Marcin Banaszek,     Hon. Mention (Miniatures) Pál Benkő 80 JT 2009    1.f7! Rook and Knight are left to capture, but the Queen prefers to chase the King. (1.Rb2? Ka8 2.Ra2+ Kb8 3.Sd6 Qxf6! = 1.Rd8+? Ka7 2.Rd7+ Ka6 3.f7 Qxf5 = 1...Qf6+ 2.Sd6 Qc3+ 3.Kd7! (3.Kb6? Qb3+ 4.Sb5 Qe6+ 5.Rd6 Qe7 6.Ka6 Qb7+ 7.Ka5 Qa8+ 8.Kb4 Qe4+ =) 3...Qh3+ (3...Qxd2 4.f8=Q+ Ka7 5.Qf7 +-) 4.Kd8! (4.Ke7? Qe3+ 5.Kd7 Qa7+ 6.Kd8 Qb6+ 7.Ke8 Qe3+ mit perpetual check.) 4...Qh8+ (4...Qh4+ 5.Ke8 +- see 6.Ke8 in main line) 5.Ke7! (5.Se8? Qh4+ =) 5...Qh4+ 6.Ke8! Qa4+ 7.Kf8! The King is in cover. (7.Ke7? Qh4+ a repeat move) 7...Qa3! 8.Rd5! (Now the thematic try 8.Rd4? (A) is defeated by 8...Qc5! (X) 9.Ke7 ( 9.Rd3 Qe5 10.Se8 Qh8+ 11.Ke7 Qe5+ 12.Kd8 Qg5+ =) 9...De5+ 10.Kd7 Qxd4! 11.f8=Q+ Ka7 12.Qf7 Qc5! 13.Da2+ Kb6 14.Qb3+ Ka6 = White cannot win) 8...Kc7! (8...Qb4+? 9.Rb5+ +-) 9.Rd4! (A) Now the winner move! (9.Ke7? Qe3+ 10.Kf6 Qh6+ =; 9.Kg8? Qg3+ 10.Kf8 Kc6! =) 9...Qc5 (X)The defender move from thematic try. (9...Kc6 10.Kg7 Qg3+ 11.Kf6 wins) 10.Rc4! And the Queen is caught in a trap. A duel between white King and black Queen in a struggle to promote a pawn. Five precise moves of white King provide cover for him against the chase of black Queen. At the end the chasing Queen has been caught after the attempt that was successful in try!