Nº 15 Oleg Pervakov ( Russia)

Draw
Sección A.1.

Oleg Pervakov ( Russia)

wKe2,Nb2,Ra4,Pe5/bKh5,Nd2,Rc3,Pa2,e3,f7

1.Nd1!
1.Nd3? Nb3! 2.Rxa2 Rxd3! 3.Kxd3 Nc1+ 4.Kxe3 Nxa2 5.Kf4 Kg6–+
1.Rxa2? Nb3! 2.Ra4 Nc1+ 3.Ke1 Rc2–+

1…Ne4!
1…Rc2 2.Nxe3 Rb2 (2…Ne4+ 3.Nxc2 Nc3+ 4.Kd3 Nxa4 5.Kc4=) 3.Kd3! Nb3 4.Kc3 Re2 5.Nd5! a1Q+ 6.Rxa1 Nxa1 7.Nf4+=
1…Rc5 2.Rxa2 Rxe5 3.Rc2!=

2.Rxa2
2.Nxe3? Rc1–+

2…Ng3+ 3.Ke1 Rc1!
3…Rd3 4.e6! fxe6 5.Ra5+! Kh4! 6.Re5 e2 7.Nf2 7.Nf2 Rd6 8.Re3 Ra6 9.Re5 Ra1+ 10.Kd2 Ra6 11.Ke1 Rb6 12.Kd2=

4.e6!
4.Rh2+? Kg5!–+

4…fxe6
4…e2 5.Rxe2 Nxe2 6.exf7=

5.Ra5+!
5.Ra1? Rc2! 6.Nxe3 Re2–+

5…Kh4!
5…Kg4 6.Ra1! Rc2?? 7.Nxe3+-

6.Ra4+ Kh3
6…Kg5 7.Rg4+! Kxg4= Stalemate

7.Rh4+! Kg2
7…Kxh4= Stalemate

8.Rc4! Ra1
8…Rxc4 9.Nxe3+=

9.Rc1! Ra3
9…Rxc1= Stalemate

10.Rc6!
10.Rc3? Rxc3 11.Nxc3 Kf3–+

10…e5
10…e2 11.Rxe6 Ra1 12.Rxe2+!= (12.Rd6? Ne4! 13.Rd3 Nc3–+)

11.Rc5!
11.Rc3? Rxc3 12.Nxc3 Kf3!–+

11…e4 12.Rc3 Rxc3 13.Nxc3 Kf3 14.Nb5! Nf5 15.Kf1! Ng3+ 16.Ke1 Nf5 17.Kf1 e2+ Or positional draw 18.Ke1 e3 19.Nd4+ Nxd4= Stalemate