Nº28 Sergey Osintsev

Draw

Section B.2.

Sergey Osintsev (Russia)

wKa2,Nd8,Rb8/bKe7,Bf3,Pa3,b5,c2,h5

1.Rc8 b4 2.Rxc2 b3+!
2…Bd5+ 3.Ka1 b3 4.Re2+ Kf6 (4…Kd7 5.Rd2=) 5.Rf2+ Kg6 (5…Kg5 6.Nf7+= 5…Ke5 6.Nf7+=) 6.Rf4!= (6.Re2? b2+ (6…Kf5) 7.Kb1 Kf5 8.Nf7 Be4+ 9.Rxe4 Kxe4–+)

3.Kxb3 Bd1 4.Nc6+
4.Kxa3? Bxc2–+

4…Kd6 5.Nd4
5.Nb4? h4 6.Kc3 Bxc2 7.Nxc2 (7.Kxc2 h3–+) 7…h3 8.Nd4 h2 9.Nf5+ Ke5 10.Ng3 Kf4 11.Nh1 Kf3–+

5…Ke5! 6.Ka2!!
6.Kxa3? Bxc2 7.Nxc2 Ke4! Position A1 with wKa3 – square a3 is blocked by the King. 8.Ne1 h4 9.Ng2 h3–+
6.Ne2? a2! 7.Kxa2 Bxc2–+
6.Nf3+? Kf4 7.Ng1 a2! (7…Bxc2+? 8.Kxc2 a2 9.Kb2=) 8.Kxa2 Bxc2–+

6…Bxc2 7.Nxc2 Ke4! Position A with wKa2 – there is
7…h4 8.Ne3!=

8.Nxa3!! h4
8…Kd3 9.Kb3! h4 10.Nc4! h3 11.Ne5+ Ke4 12.Ng4 Kf3 13.Nh2+=
8…Kf3 9.Nc4! h4 10.Ne5+

9.Nc4! Kf3
9…h3 10.Nd2+=

10.Ne5+! Kg3 11.Nc4! Kf2 12.Ne5 Kg3 13.Nc4 Kf4
13…h3 14.Ne3=

14.Nd2 h3 15.Nf1=