Nº19 Peter Krug

Win

Peter Krug (Austria)

wKe6,Nd7,Rb4,Ph3/bKc1,Bg2,Pa4,b3

1.Nc5! Bxh3+ 2.Kd6
try : 2.Kd5!? Bd7!! 3.Kd4 Kc2 4.Rc4+ Kb1! 5.Kc3 b2 6.Nxa4 Bxa4 7.Rxa4 Kc1 8.Re4 b1N+!=

2…b2 3.Nd3+ Kc2 4.Nxb2 a3 5.Na4 Bf5!
5…a2 6.Rb2++-

6.Rb8! Black is in Zugzwang
6.Rb7? Be4! 7.Rb8 Bf5! Zugzwang for White 8.Rb6 (8.Ke5 Bd7!=) 8…Bg6=

6…Bg6! 7.Ke6! again Zugzwang
7.Ke5? Bf7!=

7…Bh5
main : 7…Be4 8.Rc8+ Kb3 9.Nc5+ Kb2 10.Rb8+ Kc2 11.Ke5 Bg6 12.Ra8 Kb2 13.Na4+ Kb3 14.Kd4+-

8.Rc8+ Kb1 9.Ra8! Kc2 10.Nc5 Kb2 11.Nd3+ Kb3 12.Ra7
Thematic try : 12.Ra6? Bg6! 13.Rb6+ Kc2 14.Nb4+ Kb3 15.Nd5+ Kc2 16.Ne3+ Kc3 17.Ra6 Kb3 18.Ke5 a2 19.Kd4 Be8!! 20.Nc4 (20.Kd3?? Bb5+–+) 20…Bb5! 21.Ra3+ Kb4 22.Rxa2 Bxc4 23.Rb2+ Bb3!=

12…Bg6 13.Rb7+ Kc2 14.Nb4+ Kb3 15.Nd5+ Kc2 16.Ne3+ Kc3 17.Ra7 Kb3 18.Ke5 or [18.Kd5] 18…a2 19.Kd4 Be8
19…Kb2 20.Nd1++-
19…Bf7 20.Rb7++

20.Kd3! ! no check with win of rook is possible 20…Bb5+ 21.Kd2+-