(1) T S Ravi 2380 - Koneru Humpy 2485
41st National A Chess Championship 2003 www.chessindia.org (7)

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.h3 Nd7 5.Be3 e6 6.Bd3 Ne7 7.Qd2 h6 8.0-0 b6 9.Ne1 Bb7 Diagram

10.f4 The Avant Garde formation, perhaps selected because white had played Nf3 before f4. The idea is simple enough. If white proceeds with d4-d5, black will counter with e5 and f5. If white plays e4-e5, black can proceed with d5 and c5

10...c5 11.c3 c4 12.Bc2 [ 12.Bxc4 Bxe4 ]

12...Nf6 13.e5 Ne4 14.Qc1 Ng3 15.Rf2 a6 16.Nd2 b5 17.Nef3 Nef5 18.Nf1 Bxf3 19.Nxg3 Nxg3 20.gxf3 [ 20.Rxf3 Ne2+ ]

20...h5 [ 20...Qh4!? ]

21.Rg2 h4 22.a4 d5 23.Qb1 Bh6 24.axb5 axb5 25.Rxa8 Qxa8 26.Bxg6 b4 [ 26...fxg6 27.Qxg6+ Ke7 28.Qf6+ Kd7 29.Qf7+ Kd8 30.Qf6+ Kd7 31.Qf7+= ]

27.cxb4 fxg6 28.Qxg6+ Kd7 29.Qf7+ Kc6!? [ 29...Kd8= ]

30.Qxe6+ Kb5 31.Kf2 Qc6 32.Qf7 Rf8 33.Qa7 Ra8 34.Qh7 Ra2 35.Qb1 Qa8 36.Bd2 Qa7 37.Ke3 Qf7 [ 37...Nh5-+ ; 37...Ra1-+ ]

38.Kf2 Ra6 39.Qc1 Qf5 40.Rg1 Qd3 [ 40...Bxf4!-+ 41.Bxf4 Ra1 42.Qxa1 Qc2+ 43.Ke3 ( 43.Ke1 Qe2# ) 43...Nf5# ]

41.Re1 Qxd4+ 42.Be3 Qd3 43.Qd1 Ra2 44.Qxd3 cxd3 45.Bd4 Bxf4-+ 46.e6 d2 47.Rd1 Nf5 [ 47...Ra6 48.e7 Re6 ]

48.Bf6 Ra6 49.Bc3 [ 49.e7 Re6 ]

49...Be3+ 50.Ke2 Rxe6 51.Bxd2 d4 52.Ra1 Bxd2+ 53.Kxd2 Kxb4 54.Rg1 Re3 55.Rf1 Kb3 56.Ra1 Kxb2 57.Ra4 Rxf3 58.Ra5 Kb3 59.Ke2 Re3+ 60.Kd2 Nd6 61.Ra8 Nc4+ 62.Kd1 d3 63.Rb8+ Kc3 64.Rc8 Rxh3 0-1