Win
Section B.1.
Richard Becker (USA)
wKe8,Qa8,Nh3,Pb4,g6/bKe6,Qa4,Pa7,b5,b7,d7,g2,g7,h6
1.Qd8!!
Thematic try 1.Qxb7? Kf6 2.Qxd7 Kxg6 3.Qf7+ Kh7 4.Qf5+ Kh8 5.Ng5 hxg5 6.Qh3+ Kg8 7.Qe6+ Kh8 8.Kf7 Qa2! 9.Qxa2 g1Q 10.Qe2 g4 11.Qe8+ Kh7 12.Qe4+ Kh8 13.Qe2 a6 (or a5)=
1…Kf5 2.Qxd7+ Kxg6 3.Qf7+! Kh7 4.Qf5+! Kh8
4…g6 5.Qf7+ Kh8 6.Qf6+ Kh7 7.Nf4 g1Q 8.Ne6 Qaa1 9.Nf8+ Kg8 10.Qf7+ Kh8 11.Qh7#
5.Ng5! hxg5 6.Qh3+ Kg8 7.Qe6+ Kh8 8.Kf7 Qa2 9.Qxa2 g1Q 10.Qe2! g4 11.Qe8+ Kh7 12.Qe4+ Kh8 13.Qe2! a6 14.Qe8+ Kh7 15.Qe4+ Kh8 16.Qe2! a5 17.bxa5 Qg3
17…b4 18.Qe8+ Kh7 19.Qe4+ Kh8 20.Kg6–+
18.Qe8+ Kh7 19.Qg8+ Kh6 20.Qxg7+ Kh5 21.Qg6+ Kh4 22.Qh6#
Logical study with foresight effect (refusal to capture bPb7) ends in a model mate with two self-blocks.