Nº11 Michael Pasman

Win

Section B.1.

Michael Pasman (Israel)

wKh5,Bb7,Pa5,c5,d5,f4,g4,h4/bKf8,Ne7,Pc3,c7,f6,g7,h6

1.a6!
Thematic try : 1.d6? c2 2.d7 Nc6! 3.Bxc6 Ke7–+

1…c2
1…Kf7 2.d6 c2 3.dxe7 c1Q 4.Bd5+ Kxe7 5.a7 Qxc5 6.a8Q+-

2.a7 Kg8!! Preparing mate trap
not 2…Kf7 3.a8Q c1Q 4.Bc6 Nxc6 5.Qxc6 Qxf4 6.Qe6+ Kf8 7.Kg6+-

3.d6!!
3.a8Q+? Kh7 4.f5 c1Q=

3…Kh7! Continuing the plan 4.f5!
4.dxe7?? g6#

4…cxd6
4…Nxf5 5.gxf5 c1Q 6.a8Q+-
4…g6+ 5.fxg6+ Nxg6 6.Be4! c1Q 7.Bxg6+ Kg7 8.a8Q Qxc5+ 9.Bf5+-

5.cxd6!
Thematic try : 5.a8Q? c1Q 6.Qe8 Qe3! /e1 7.cxd6 Nxf5! 8.Qg6+ (8.Be4 Qxe4!) 8…Kh8 9.gxf5 (9.Qxf5 Qe8+ 10.Qg6 Qe5+ 11.Qf5 Qe8+=) 9…Qe2+ 10.Qg4 Qe8+= with perpetual check

5…c1Q
5…Nxf5 6.gxf5 c1Q 7.a8Q Qb1 (7…Qd1+ 8.Bf3+-) 8.Be4 (8.Kg4 h5+ 9.Kf4 Qc1+ 10.Kf3 Qd1+ 11.Ke3 Qxd6) 8…Qd1+ 9.Bf3+-

6.dxe7
6.a8Q?? Qc5!! 7.g5 Qxf5–+

6…Qb1! 7.e8Q! 5 moves white could promote a-pawn and didn’t do it and finally promotes e-pawn [still 7.a8Q?? g6+ 8.fxg6+ Qxg6#

7…Qxb7 8.a8B!!+- a-pawn can’ t still be promoted to Queen ! Phenix – White square bishop sacrificed and new white square bishop promoted

[8.a8Q? Qf7+! 9.Qxf7 Stalemate or 8.a8N? Qa7! 9.g5 hxg5 10.hxg5 fxg5 11.Qg6+ Kh8 12.Qc6 Kh7! 13.Qe4 Qf7+ 14.Kxg5 Qf6+= Draw)

The final bishop promotion is known before from the game Reshko – Kaminsky, Leningrad ch. 1972