Nº35 Jaroslav Polasek

Win

Jaroslav Polasek (Rep. Checa)

wKh3,Nb5,Bg2,Re7/bKa2,Rf6,Pc3,g7,h2

1.Bh1!! The bishop released the square g2 for white rook
1.Re2+? Kb3 2.Bh1 Rf4 3.Re3 Rc4 4.Nd6 Rc7 5.Kxh2 Kb2 6.Nb5 c2= (6…Rc4=) ; 1.Kxh2? c2 2.Re2 Kb3! 3.Nd4+ Kc3 4.Nxc2 Kd3=
1.Bd5+ Kb2 2.Re2+ c2 3.Kxh2 Rf4! 4.Kg3 Rb4=

1…c2
1…Kb2 2.Re2+ c2 3.Nd4 Kc3 4.Nxc2 see main line

2.Re2 Kb3
or 2…Kb2 3.Nd4 Kc3 4.Nxc2
2…Kb1? 3.Na3+

3.Nd4+ Kc3 4.Nxc2 Kd3 5.Rg2 After 1.Kxh2? this move was not be possible, because white bishop blocked the g2 square. 5…Rh6+ 6.Kg4
or 6.Kg3 Rg6+ 7.Kh4! see main line(7.Kxh2? Rxg2+= with check)

6…Rg6+ 7.Kh4!
7.Kf3 wastes time 7…Rf6+ 8.Kg4 Rg6+

7…Rxg2 8.Ne1+! Ke2 9.Nxg2 g5+
9…Kf2 10.Kh3! g6 a) 10…g5 11.Kxh2 ZZ1; b) 10…Kg1 11.Nf4 (or 11.Kg3 ) 11…g5 12.Ne2+ Kxh1 13.Kg3 g4 14.Kf2 g3+ 15.Nxg3#; 11.Nf4 g5 12.Nh5 Kg1 13.Ng3; 9…Kf1 10.Kh3 or 10.Kh4(10.Kg3? g5!= 11.Kxh2 Kf2)

10.Kh3! avoids zugzwang
10.Kg3?! Kf1 11.Ne3+ (11.Kxh2 Kf2= mutual zugzwang ZZ1)11…Kg1 12.Nf5 g4= mutual zugzwang ZZ2

10…Kf1
main 10…Kf2 11.Kxh2+- ZZ1

11.Ne3+!
11.Kg3 wastes time 11…Ke2 12.Kh3 Kf1
11.Kxh2?! Kf2= ZZ1

11…Kg1
11…Kf2 12.Nf5 Kg1 13.Ng3

12.Kg3 g4 13.Nf5 ZZ2 13…Kxh1 14.Kf2 g3+ 15.Nxg3#