1.Rf5!! (threatening Qxf7#) Qxb3+

1... exf5 brings the bishop on b3 into play, and 2.Qxf7# follows

2.cxb3 exf5

3.Nf4 Rd8

4.Qh6+ Ke8

5.Nxg6 fxg6

6.Qxg6+ Ke7

7.Qg5+ Ke8

8.exf5 Rc8

9.Qg8+ Ke7

10.Qg7+

Black Resigns (cannot stop f5 from promoting)

a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h

You were corect??
Jes - No

PGN edit

[Event ""] [Site ""] [Date ""] [Round ""] [White ""] [Black ""] [ECO ""] [Result "*"] [SetUp "1"] [FEN "r4k2/pp1b1p1Q/3pp1n1/7R/4P3/1B3q2/P1P1N3/1K6 w - - 0 1"]

1.Rf5 Qxb3+ 2.cxb3 exf5 3.Nf4 Rd8 4.Qh6+ Ke8 5.Nxg6 fxg6 6.Qxg6+ Ke7 7.Qg5+ Ke8 8.exf5 Rc8 9.Qg8+ Ke7 10.Qg7+ *