N°7 -Hergert,Volker (Switzerland)

Section A2 – Draw

1.h3+ !
( 1.d7 ? e3+ !
( 1…a2 ? 2.d8=Q e3+ 3.Ke2 a1=Q 4.Qg5+ Kh3 5.Qh5+ Nh4 6.Ng5+ Kg2
7.Qg4+ Kh1 8.Qxh4 Qb2+ 9.Kf3 = )
2.Kxg2
( 2.Ke2 f3+ -+ )
2…f3+ -+ )
( 1.Nf6+ ? Kh3 ! 2.Nxe4 a2 3.d7 a1=Q 4.Ng5+
( 4.d8=Q Qe1+ 5.Kf3 Qe3# )
4…Kg4 ! 5.h3+
( 5.d8=Q Qa2+ 6.Kg1 Ne3 -+ )
5…Kf5 !
( 5…Kxg5 ? 6.d8=Q+ = )
( 5…Kh5 6.d8=Q Qb2+ 7.Kf3 = )
6.d8=Q Qa2+ 7.Kg1
( 7.Kf1 Ne3+ -+ {e.g.} 8.Ke1 Qb1+ 9.Ke2 Qf1+ 10.Kd2 Qd1+ 11.Kc3
Qxd8 -+ )
7…Ne3 -+ {White must prevent immediate checkmate and loses his
knight (#20).} )
1…Kxh3
( 1…Kf5 2.d7 a2 3.d8=Q a1=Q = )
2.Ng5+ Kh2 !
( 2…Kg4 3.d7 a2 4.d8=Q = )
3.Nf3+ !
( 3.d7 ? a2 4.d8=Q a1=Q 5.Nf3+ Kh1 ! -+ )
3…exf3
( 3…Kh1 4.Nd4 ! a2 5.Nb3 Kh2 6.d7 e3+ 7.Kf3 =
( 7.Ke2 = )
)
4.d7 a2 5.d8=Q a1=Q 6.Qh4+ ! Nxh4
{Stalemate}
1/2-1/2

Los comentarios están cerrados.