Nº25 Oleg Pervakov

Win

Oleg Pervakov (Russia)

wKe7,Nc7,e8,Pd2,g7/bKg4,Nh6,Pg3

1.Nd5
1.Nf6+? Kh4! 2.Ne6 Nf5+ 3.Kf7 g2 4.Nd4 Nxg7 5.Ne2 Nf5=

1…Nf5+
1…g2 2.Ne3+-

2.Ke6!
Thematic try 2.Kf6? Nxg7 3.Nxg7 Kf3 4.Nf4 Ke4! zz 5.Nge6 g2! zz 6.d3+ Ke3 7.Nxg2+ Kxd3=
2.Kf7? Kf3! 3.Ne3 (3.g8Q Nh6+) 3…Nxg7 4.Nxg7 Ke2=

2…Nxg7+ 3.Nxg7 Kf3 4.Nf4! Ke4!
4…Kxf4 5.Nh5+ Ke4 6.Nxg3+ Kd3 7.Nf1+-

5.Kf6! zz 5…g2! 6.Nge6! zz 6…g1Q
6…g1N 7.d3+! (7.d4? Nf3 8.d5 Ne5 9.d6 Nd7+ 10.Ke7 Nb6! 11.Kd8 Nc4=) 7…Ke3 8.d4 Nf3 9.d5+-

7.Ng5+ Kxf4
7…Kd4 8.Nf3++-

8.Nh3+ Ke4 9.Nxg1 Kd3 10.Nf3+-