Chess/Puzzles/Middlegame/Match 1

Starting from the following position, white starts and wins.

A. Karpov v. E. Gyk (1968).

/Solution/

PGN
[Event ""] [Site ""] [Date "2010.06.10"] [Round ""] [White ""] [Black ""] [ECO ""] [Result "*"] [SetUp "1"] [FEN "r4k2/pp1b1p1Q/3pp1n1/7R/4P3/1B3q2/P1P1N3/1K6 b - - 0 1"]