Nº23 Pavel Arestov

Win

Section A.

Pavel Arestov (Russia)

wKd4,Qa6,Bg6/bKh1,Nb7,d1,Rh7,Pc4,g2

1. Be4! Pin
1.Bxh7? g1Q+ 2.Kxc4 Qg4(Qc5)+ 3.Kb5 Nc3+ 4.Kb6 Nd5+ 5.Ka7 Qd4+ 6.Kxb7 Qg7(Qb2)+ -+.

1…Rd7+
1…Kh2 2.Bxg2 =.

2.Bd5! self-pin
2.Kxc4? Nd6+ fork, 3.Kd4 Nxe4+ -+;
2.Ke5? Re7+ 3.Kd4 Rxe4+ 4.Kxe4 Nc5+! fork,-+.

2…Rxd5+!
2…Kh2 3.Qh6+ =.

3.Kxd5 Ne3+!
3…g1Q 4.Qh6+ Kg2 5.Qg6+ Kf1 6.Qxg1+ Kxg1 7.Kxc4 =.

4.Kd4 Nf5+!
4…g1Q 5.Qxb7+ Ng2+ 6.Kxc4 =.

5.Kc3!
5.Kxc4? Nbd6+! (but not 5…Nfd6+ 6.Kb4 g1Q 7.Qc6+ Kh2 8.Qc2+ =) 6.Kb4 g1Q 7.Qc6+ Kh2 8.Qc2+ Kg3(Kh3) -+.

5…Nfd6!
5…Nbd6 6.Qa8! Kh8 7.Qh8+ Kg3 8.Qe5+ Kf3 9.Qh2! Ng3 10.Kb4! =.

6.Kb4!!
Try: 6.Qa1+? g1R!! (6…g1Q? 7.Kb4 main line) 7.Qb2 Nc5! 8.Kb4 Nd3+ fork-+
Try:6.Qc6? Kh2 7.Qf3 g1Q 8.Qh5+ Kg3! 9,Qg5+ Kf2 10.Qf4+ Ke2 11.Qd2+ Kf3! -+.

6…g1Q
6…g1R 7.Qa2(Qc6) =.

7.Qa1! Theme 7…Nc5
7…Qxa1 – stalemate.

8.Qh8+! Qh2
8…Kg2 9.Qg7+! Kf1 10.Qa1+! Kg2 11.Qg7+ – echo-positional draw №1.

9.Qa1+ Kg2 10.Qb2+! Kh3 11.Qh8+ Kg2
11…Kg3 12.Qe5+ =.

12.Qb2+ – echo-positional draw №2.