Nº 11 Pavel Arestov (Russia)

Win
Sección B.1.

Pavel Arestov (Russia)
wKc3,Ng5,Rb2,h2/bKd5,Qe8,Pc2

1.Rd2+!
1.Kxc2? Qa4(Qg6)+ =

1…Kc5 2.Rbxc2
2.Rdxc2?? Qe3#; 2.Kxc2? Qg6+ =

2…Qe3+ 3.Kb2+ Kb4 4.Rg2 Qa3+
4…Qd4+ 5.Kb1(Ka2) Qd3 6.Rf2 – main line

5.Kb1 Qd3 pin 6.Rgf2!
6.Kb2? Qa3+ 7.Kb1 Qd3 – loss of time.

6…Qd1+ unpin 7.Rc1! selfpin 7…Qd3+
7…Qd4 8.Rfc2 +-; 7…Qb3+ 8.Rb2 pin, +-

8.Rfc2 selfpin , with:

A) 8…Qf5
8…Kb3 9.Ne6 +-; 8…Ka3 9.Nf3(h3)! Qxf3(h3) 10.Rc3+ +-;
8…Qe3 9.Nf7! Qd3 10.Ne5 +-

9.Rg1 Qd3
9…Ka4(b3) 10.Rg3+ +-

10.Ne6!
10.Rgc1(Rh1)? Qf5 11.Rg1 – loss of time

10…Ka3! 11.Re1!
Try: 11.Nc5? Qb5+ 12.Kc1 Qb2+! 13.Rxb2 – stalemate

11…Qb3+ unpin
11…Qg3 12.Ra2+! Kb3 13.Nc5(Nd4) +-

12.Kc1 , win.
12…Qg3 13.Re4(R1e2) +-.

B) 8…Ka4 9.Ka1! unpin
9.Kb2? Qa3(b5)+ =

9…Qd4+ 10.Rb2 selfpin 10…Ka3
11.Rcb1, win.
11…Qd5 12.Nf3(Ne4) +-.