Peter S. Krug & Mario G. García

Win

1º Premio Springaren 2018

wKh3,Nc5,d7,Ra7,Pf3,g2,g3/bKg7,Nb1,Rf1,Pa6,b3,e3,e6,f5,h6

1.Kh2!
1.Ne5+? Kf6! (1…Kg8? 2.Kh2 e2 3.Ncd7!+- see in (1)) 2.Ncd7+ Ke7!= (2…Kg7? 3.Kh2! e2 4.f4!+- see in 2) 3.Kh2 e2 4.Nc5+ Ke8=

1…e2
1…h5 2.Nxe6+ Kf7 3.Ndf8+ Kf6 4.f4 e2 5.Ng5+-

2.Ne5+ Kh8!
main 1 : 2…Kg8 3.Ncd7! (1) 3…Kg7 4.f4! (2) 4…Rh1+ 5.Kxh1 e1Q+ 6.Kh2 Qe3 7.Rb7! Qe4 8.Rc7! (3) 8…Qc2 9.Ra7! Qf2 10.Rb7! Qe2 11.Nf6+ Kxf6 12.Rf7# mate

3.Ng6+ Kg8 4.Nd7! Rh1+
main 2 : 4…Kg7 5.Nde5+ Kg8 6.Rf7! e1Q (6…Rh1+ 7.Kxh1 e1Q+ 8.Kh2 Qxe5 9.Nxe5 Nd2 10.Rb7!+-) 7.Ne7+ Kh8 8.N5g6# mate

5.Kxh1 e1Q+ 6.Kh2 Qc3
6…Kg7 7.Nde5+- see main 2

7.Nge5 Kg7 8.f4!
8.Nf6+? Kxf6 9.f4 Qxe5!=

8…Qd4
8…Qe3 9.Rb7 Qe4 10.Rc7+- see main 1 in (3)

9.Nc5+ Kg8
main 3 : 9…Kh8 10.Ng6+ Kg8 11.Ra8+ Kf7 (11…Kg7 12.Nxe6+- fork) 12.Ne5+ Ke7 13.Nc6+- fork

10.Rg7+!
10.Ra8+? Kh7 11.Nxe6 Qb6=

10…Kxg7
10…Kh8 11.Nxe6 Qxe5 12.fxe5 Nc3 13.Rb7+-

11.Nxe6+ Kf6 12.Nxd4 Nd2 13.Nd3 a5 14.Nb2+-