1...g3+ 2.Kh3 Qg8! [2...Qe4 3.Kg4 f3+ 4.Kxg3 fxe2 5.Kf2! Qc2 6.Ng6+ Kh7 7.Nf8+ Kh8 8.Ng6+=] 3.Rf1! [3.Rc1? f5 4.Ng6+ Qxg6 5.Rc8+ Kh7 6.Rh8+ Kxh8 7.Qa1+ Kh7–+] 3...d1Q! 4.Rxd1 f5 with mate threat 5.Ng6+! Qxg6 6.Rd8+ Kh7 7.Rh8+! Kxh8 8.Qa1+ from the corner to the corner now with check - the longest diagonal is open 8...Kg8 9.Qg7+ Qxg7 10.hxg7 Kxg7 11.e3! [them. try 11.a4? Kf6 12.e3 fxe3 13.Kxg3 Ke5 14.Kf3 Kd4 compare with side line 15...Ke5 15.Ke2 b6 16.g3 Ke4 17.a3 Kd4–+] 11...fxe3 12.Kxg3 Kf6 13.Kf3 f4 14.g3! fxg3 15.a4! [15.Kxg3? Ke5 16.Kf3 Kd4 17.Ke2 b5 18.a4 bxa4 19.a3 Ke4–+; 15.Kxe3? Kg5 16.Kf3 Kh4 17.Kg2 b5 18.a4 bxa4 19.a3 Kg4 20.Kg1 Kf3–+] 15...Kf5 [15...Ke5 16.Kxe3=; 15...b6 16.Kxg3 Ke5 17.Kf3 Kd4 18.Ke2=] 16.a5! g2 [16...Ke5 17.Kxe3=] 17.Kxg2 Ke4 18.Kf1 Kd3 19.Ke1 draw. 

Sacrifices.