Nº17 Oleg Pervakov

Win

Section B.1.

Oleg Pervakov (Russia)

Ded to K.Sumbatyan (64 years)

wKd2,Qa8,Nf8,Pf4,h3/bKh4,Nh2,Ba4,Pd3,e2

1.Ng6+!
Thematic try 1.Ke1? Kg3!–+
1.Qd8+? Kg3! 2.Qxd3+ Nf3+ 3.Kxe2 Bb5! 4.Qxb5 Nd4+=
1.Qxa4? Nf3+ 2.Kxd3 e1Q=
1.Qg2? Nf1+ 2.Kxd3 e1N+!=

1…Kg3 2.Nh4!
2.Ne5? Nf1+ 3.Kxd3 e1Q 4.Qf3+ Kh2!=

2…Kxh4
2…Nf1+ 3.Kxd3 Bb5+ 4.Kd4 e1Q 5.Qf3+ Kh2 (5…Kxh4 6.Qg4#) 6.Qg2#

3.Ke1! Bc6!
3…Kg3 4.Qg8+ (no knight f8) 4…Kf3 5.Qd5+ Kg3 6.Qg5+ Kf3 (6…Kxh3 7.Qh5+ Kg3 8.Qg6+! Kxf4 9.Qd6++-) 7.Qh5+ Kg3 8.Qg6+! Kh4 9.Qg2+-
3…Nf1 4.Qd8+ Kg3 5.Qxd3++-

4.Qh8+!
Thematic try 4.Qxc6? Nf3+! 5.Qxf3 d2+ 6.Kxd2 (6.Kxe2 d1Q+ 7.Kxd1=) 6…e1Q+ 7.Kxe1= Stalemate;
Try 4.Qd8+? Kxh3! 5.Qh8+ Kg3 6.Qg8+ Ng4! 7.Qe6 Kxf4 8.Qxc6 Ne3!=

4…Kg3 5.Qg7+!
5.Qg8+? Kf3! 6.Qg1 (6.f5? d2+! 7.Kxd2 Kf2–+) 6…Nf1! 7.Qf2+ Ke4=

5…Kxh3
5…Kf3 6.f5 d2+ 7.Kxd2 Kf2 8.Qd4++-
5…Kh4 6.Kf2+-

6.Qh6+ [Or 6.Qh7+ ] 6…Kg3 7.Qg6+! Kh4! 8.Qxc6
8.Kf2? Nf3=

8…Nf3+! 9.Qxf3 d2+ 10.Kf2!! e1Q+ 11.Kg2 Qe2+!
11…d1Q 12.Qh3#! (no pawn h3)
11…Qe6 12.Qg3+ Kh5 13.Qg5#

12.Qxe2 d1Q 13.Qe7+!
13.Qxd1?= Stalemate

13…Kh5 14.Qg5#

Theme of annihalation (active and passive) realized twice