Tigran Petrosian – Anatoly Karpov Moscow Spartakiad, 1979

Tigran Petrosian (2610) – Anatoly Karpov (2715}
Moscow Spartakiad, 1979

E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Bb7 5.Bg2 Be7 6.0–0 0–0 7.Nc3 Ne4 8.Qc2
[ A more modern idea is 8.Bd2 f5 9.d5
( Karpov has also tried 9.Qc2 Bf6 10.Rfd1 Nxc3 11.Bxc3 Be4 12.Qd2 d5 13.cxd5 Bxd5 14.b4 c6 15.a4 Nd7 16.Ne1 Bg5 17.Qb2 Bxg2 18.Nxg2 Nf6 19.Bd2 Nd5 20.b5 Rc8 21.Rac1 Bxd2 22.Rxd2 cxb5 23.Rxc8 Qxc8 24.axb5 Qd7 25.Qb3 Rc8 ½–½ Karpov,A-Brodsky,M/Tallinn EST 2005 (25))
9...Bf6 10.Rc1 Na6 11.a3 c5 12.Ne1 exd5 13.cxd5 Qe7 14.Nd3 d6 15.Nf4 Nc7 16.b4 Rfe8 17.bxc5 dxc5 18.Nxe4 fxe4 19.Rc4 Nxd5 20.Rxe4 Qf7 21.Qc2 Nxf4 22.Bxf4 Bxe4 Naumkin,I-Komarov,D/Reggio Emilia ITA 2005/Ajedrez en Madrid/0–1 (38);
8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 ½–½ Barsov,A-Bluvshtein,M/Hastings ENG 2005 (10)]
8...Nxc3 9.Qxc3 c5 10.Rd1 d6 11.b3
[ 11.dxc5 bxc5 12.Bf4 Qb6=]
11...Bf6 12.Bb2 Qc7
[ 12...cxd4 13.Nxd4 Bxg2 14.Kxg2=]
13.Qc2 [ 13.Qe3 Nc6=]
13...Nd7 14.Rd2 Rfd8 15.Rad1
[ 15.Rad1 Rac8 16.dxc5 dxc5 17.Ne1 Bxg2 18.Nxg2 Bxb2 19.Qxb2 Nb8 20.Qc2 Nc6 21.Qe4 h6 22.Nf4 Rxd2 23.Rxd2 Rd8 24.Rxd8+ Nxd8 25.Qa8 g6= Drawn. Karpov-Balashov, Hanover 1983.] ½–½