Win
Section B.1.
Harold van der Heijden (Netherlands)
wKb6,Bh3,Rb3,Pa7,c7,f3,f6,g6/bKa8,Qg8,Rg7,Pf2
1.f7!
1.fxg7? Qxb3+ (1…f1Q=)
1…Rxg6+ 2.Ka5! Ra6+!
2…Rg5+ 3.Ka4 Ra5+! 4.Kxa5 Qg5+ 5.Ka4! Qf4+ 6.Rb4!+- echo
3.Kxa6 Qc8+!!
3…f1Q+ 4.Bxf1 Qc8+ 5.Kb5! Qb7+ 6.Ka4! Qxa7+ 7.Kb4 Qd4+ 8.Bc4!+- echo
4.Bxc8 f1Q+ 5.Kb6!
5.Rb5? Qa1+ 6.Kb6 Qf6+! 7.Kc5 Qe5+=
5…Qxf3 6.Kc5!! …. With two lines
A) 6…Qxb3 7.Bb7+! Qxb7 8.f8R+!
8.f8Q+? Kxa7 9.c8Q Qxc8+ 10.Qxc8 stalemate
8…Kxa7 9.c8Q Qxc8+ 10.Rxc8 win.
B) 6…Qxf7 7.Bb7+
7.Rb8+? Kxa7 8.Rb7+ Ka8!=
7…Kxa7 8.c8N+!
8.c8Q? e.g. 8…Qc4+ 9.Kxc4 stalemate
8…Kb8 9.Bd5+ Kxc8 10.Bxf7 win – Three promotion: Q, R and S.