Nº 22 M.Gromov & Oleg Pervakov

Win

Section B.1.

M.Gromov & Oleg Pervakov (Russia)

wKe6,Qa6,Nf2,Bg1,Pe3,f3,h5/bKg3,Qh4,Nb3,Bg5,Pd5,f6,h6

1.Qe2! Nc5+
1…Qxh5 2.Ne4+! dxe4 3.Qf2+ Kh3 4.Qh2#

2.Kd6!
2.Kxd5? Qxh5! 3.Kxc5 Bxe3+=

2…Qxh5 The best move
2…f5 3.Kxc5 Qc4+ 4.Qxc4 dxc4 5.f4! Bh4 6.Kxc4 Kg2 7.Nd3 Kxg1 8.Kd5+-
2…Nb7+ 3.Kxd5+-

3.Ng4!
Only draw after 3.Kxc5? Qxf3 4.Qxf3+ Kxf3 5.Nd1 Ke2=

3…Ne4+!
3…Nb7+ 4.Kc7 Qh1 5.Bh2+ Kh4 6.Kxb7+-
3…Qh1 4.Bh2+ Kh4 5.Kxc5+-

4.fxe4 dxe4 5.Bf2+!
The first logical try: 5.Qe1+? Kxg4 6.Qd1+ Kf5! 7.Qd5+ (7.Qxh5= stalemate) 7…Kg4 8.Qxe4+ Kg3!=
Ok, attack g3-square, but the second logical try: 5.Bh2+? Kh4! 6.Qe1+ Kxg4 7.Qd1+ Kf5 8.Qd5+ Kg4 9.Qxe4+ Kh3 , and no 10.Qh1 +??

5…Kh3 6.Qf1+ Kxg4 7.Qd1+!
After 7.Qe2+? Kf5! 8.Qb5+ Kg4! 9.Qe2+ Kf5= no progress

7…Kf5 8.Qd5+ Kg6 9.Qg8+! Kf5 10.Qh7+! Kg4
10…Qg6 11.Qd7#

11.Qxe4+ Kh3 12.Qh1+! Now with check 12…Kg4 13.Qd1+ Kf5 14.Qxh5 , and no stalemate.