Peter S.Krug & Mario G. García

Win

Peter S.Krug & Mario G. García (Austria- Argentina)

Premio Especial StrataGems 2020

Theme: Culmination in mate

1.Kd1!
Trials: 1.Qc1? Rc8!–+ (No 1…Kg2? 2.Kd1+! Kh3 3.Rg2 f4 (3…Ba4+ 4.Nc2 Kxg2 5.Qxg5+ Kh1 6.Qxf5+-) 4.Rxh2+ Kxh2 5.Qd2+ Kh3 6.Bxe4 Bg4+ 7.Kc1 Qc7+ 8.Nc2+-)
1.Kf1? Qh6!–+

1…d3 2.Qxe4+! fxe4 3.Bxe4+ Kg1 4.Rg2+ Kf1
4…Kh1 5.Rg3# mate

5.Rg3 With the following lines:

A) 5…Ba4+ 6.Kd2 Bb5
6…Qd7 7.Bg2+ Kg1 8.Bd5+ Kf1 9.Nc4 Qa7 10.Bg2+ Kg1 11.Be4+ Kf1 12.Bxd3#; 6…Rd8 7.Bg2+ Kg1 8.Bb7+ Kf1 9.Nc4 Qxb7 10.Ne3#

7.Bg2+!
7.Nxb5? Qh7!=

7…Kg1 8.Bb7+ Kf1 9.Nc2 dxc2 10.Bg2+ Kg1 11.Bc6+ Kf1 12.Bxb5# Mate

B) 5…Bg4+ 6.Kd2 Qd7 7.Bg2+ Kg1 8.Bd5+ Kf1 9.Nc4 Qa7 10.Bg2+ Kg1 11.Be4+ Kf1 12.Bxd3+ Be2 13.Bxe2# Mate

C) 5…Bb5 6.Bg2+!
6.Nxb5? Qh7!=

6…Kg1 7.Bc6+ Kf1 8.Nb1 h1Q 9.Nd2# mate

D) 5…Qh7! 6.Bg2+!
6.Bxh7? Bb5! 7.Be4 h1Q 8.Bxh1 Ba4+ 9.Kd2 Rxh1 10.Rf3+ Kg1 11.Rxd3 Rh2 12.Kc1 Kf1 13.Bb4 g4 =

6…Kg1 7.Bf3+!
7.Bd5+? Kf1 8.Nc4 Qh5+!=

7…Kf1 8.Nc4 Ba4+ 9.Kd2 Qa7
9…h1Q 10.Ne3# mate

10.Bg2+ Kg1 11.Be4+ Kf1 12.Bxd3# Mate