Nº 4 Andrzej Jasik

Win

Andrzej Jasik (Poland)

wKh2,Nh6,Bd8,Ra5,Pa2,c6,d5,e7,g7/bKh5,Qe4,Pa4,c7,f7,g2,g6

1.e8Q!
Thematic Try : 1.d6+? Kxh6 2.g8N+ (2.e8Q g1Q+! 3.Kxg1 Qg4+ 4.Kf2 Qf4+ 5.Ke2 Qg4+ 6.Ke3 Qg1+ 7.Kd3 Qd1+ 8.Kc3 Qc1+=) 2…Kg7 3.e8N+ Kh8?!= (3…Qxe8? 4.Bf6+ similar to variant B)

1…Qxe8 2.d6+! Kxh6
2…f5 3.Be7! Kxh6 4.d7 Qxe7 5.g8N+ Kg7 6.Nxe7+-

3.g8N+! With two variations

A) 3…Qxg8 4.Bg5+
4.dxc7? Qe8 5.c8Q g1Q+ 6.Kxg1 Qe1+ 7.Kg2 Qe2+=

4…Kh7 5.d7 f6! 6.Re5!!
6.Bxf6? Qe6 7.d8Q g1Q+ 8.Kxg1 Qe1+ 9.Kg2 Qe2+ 10.Kg3 Qe3+ 11.Kg4 Qe4+ 12.Kg5 Qe3+=

6…Qf8
6…fxg5 7.Re8 Qd5 8.d8Q+-

7.Rd5! wins
[7.Re8? Qd6+ 8.Kg1 Qd1+ 9.Kxg2 Qg4+=]

B) 3…Kg7 4.Bf6+! Kxg8
main : 4…Kh7 5.Ne7 g1Q+ 6.Kxg1 Qb8 7.Kg2! (7.Kf2? Qb6+ 8.Kf3 Qxa5=; 7.Rg5? cxd6 8.Rg2 Qb6+ 9.Kh1 Qb1+ 10.Kh2 Qc1 11.Nd5 Qxc6=) 7…Qb1 8.dxc7 Qe4+ 9.Kf2! (9.Kf1? Qf3+ 10.Ke1 Qxf6 11.c8Q Qh4+ 12.Kd1 Qd4+=) 9…Qf4+ 10.Ke2+-

5.Ra8!
5.d7? g1Q+ 6.Kxg1 Qe1+ 7.Kg2 Qe2+=

5…Qxa8 6.d7+- Wins 6…Qxc6 7.d8Q+ Kh7 8.Qh8#