Win
Peter Krug & Mario García ( Austria-Argentina)
2º Prize ZADACHY I ETIUDY- 2015
wKh1,Na6,g8,Bh2,Rg1,g2,Pc2,c5,g3/bKh3,Qh8,Pc3,c6,g4
Theme: Elimination of the black counterplay to avoid stalemates and positional draw
1.Nh6!
Try :1.Nb4? Qd4 2.Nd5 Qxd5 3.Nh6 Qxg2+ 4.Rxg2= stalemate
1.Nc7? Qxg8!= (not 1…Qd4? 2.Nb5+-)
1…Qxh6
1…Qd4 2.Nxg4!+-
2.Nb4 with two lines
A) 2…Qh7 3.Nd3!
Try : 3.Nd5? cxd5 4.Re1 Qf5 5.c6 (5.Kg1 d4 6.Rf2 Qg5 /g6 7.Rf8 Qh6 8.Ree8 Qc1+ 9.Rf1 Qh6 10.Rf4 d3= or 5.Bg1 Qf3 6.Ree2 d4=) 5…d4 6.c7 d3 7.c8Q Qxc8 8.Re5 Qh8!= positional draw
3…Qxd3 4.cxd3 c2 5.Re2
Try : 5.Rf2? c1Q 6.Rf5 Qg5 7.Rxg5= stalemate
5…c1Q 6.Re7 Qh6 7.Rge1
Try : 7.Rf1? Qh5! 8.Rf6 Qd5+ 9.Re4 Qxe4+ 10.dxe4= stalemate
7…Qg6 8.Bg1! Qxd3 9.R1e3 Qd5+ 10.R7e4 Qd2 11.Re2 Qd3 12.Rh2+
Try : 12.Bd4? Qf3+ 13.Kg1 Qg2+ 14.Rxg2= stalemate
12…Kxg3 13.Re3++-
B) 2…Qe3 3.Nd5!
3.Nd3? Qxg1+ 4.Bxg1= stalemate
3…cxd5 4.c6!
4.Rf1? Qe4 5.Rff2 d4=
4…d4 5.c7 Qe8 6.Rf1 Qa8
6…Qc6 7.Rff2 d3 8.Bg1 dxc2 9.c8Q Qxc8 10.Rf7!+-
7.Rff2 d3 8.Bg1
8.c8Q? Qxc8 9.Rf7 Qg8=
8…d2 9.c8Q/R d1Q! 10.Qh8+!
10.Qxa8? Qxg1+ 11.Rxg1= stalemate
10…Qxh8 11.Rh2+ Kxg3 12.Rfg2+ Kf3 13.Rxh8+-