E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.e4 0-0 6.Be2 e5 7.dxe5 dxe5 8.0-0 [ 8.Qxd8 Rxd8 9.0-0 c6 10.Bg5~~ Farrell-Beissel, 1992 Jackson Chess Club Championship 1-0 47]
8...Nc6!? [ 8...Nbd7 is the overwhelming choice of higher rated players]
9.h3 Be6 [ 9...Nd4 10.Be3 ( 10.Nxe5 Nxe4 11.Nxe4 Bxe5 ) 10...Nh5 11.Qd2= ]
10.Bg5 a6?! [ 10...Nd4! 11.Nxe5 Qd6 12.Nf3 ( 12.f4 Ne8 13.Bh4 g5 14.Bf2 Nxe2+ 15.Qxe2 gxf4<=> ) 12...Nxf3+ 13.Bxf3 Qe5 14.Qc1 Bxc4+/= ]
11.Nd5 h6 12.Bxf6 [ 12.Nxf6+ Bxf6 13.Bxh6 Qxd1 14.Rfxd1+/= ]
12...Bxf6= 13.Qd2 Bg7 14.Rfd1 Nd4 15.Nxd4 exd4 16.Nf4 Qd6 17.Nxe6 fxe6 18.Qd3 Qf4 19.Rf1 Be5 20.g3 Qf7 21.f4 Bd6 22.e5 [ 22.Qxd4 Qe7 23.Kg2 e5 24.Qd5+ Kg7+/= ]
22...Bc5+/= 23.Kg2 Qf5 24.Qxf5 [ 24.Qd2 a5+/= ]
24...gxf5 [ 24...exf5 25.Rfd1= ]
25.Rad1 Rfd8 [ 25...Kf7!?+/= ]
26.g4+/- Kg7 27.gxf5 exf5 28.Bd3 Rf8 29.Kf3 b5?! [ 29...Kh7 30.Rg1+/- ]
30.b3 [ 30.cxb5 axb5 31.Rg1+ Kh7 32.a3 also looks good]
30...bxc4 31.Bxc4 Rad8 32.Rg1+ Kh7 33.Rg2 a5 34.Bd3 Rd7 35.Rdg1 Re7 36.h4 Bb6 37.h5 Rff7 38.a4 [ 38.Rg8 might be the shorter path 38...Rg7 39.R8xg7+ Rxg7 40.Bxf5+ Kg8+- ]
38...c5? [ 38...Rf8 39.Rg6+- ]
39.Bc4 Rf8 [ 39...Rg7 does not save the day 40.Be6! Rxg2 41.Bxf5+ Kh8 42.Rxg2 Rg7 43.Rg6+- ]
40.Rg6 Bc7 41.Rc6 Bxe5? Better, I think, to have kept the bishops of opposite color and start praying! - Jerry Krouse [ 41...Bd8 is still a small chance 42.Rgg6 Kh8+- ]
42.fxe5 Rxe5 [ 42...Rd8+- cannot undo what has already been done]
43.Re6 [ 43.Rc7+ Kh8 44.Rgg7 Re3+ 45.Kf2 Re2+ 46.Kxe2 Re8+ 47.Kd1 Re1+ 48.Kxe1 f4 49.Rh7# ]
43...Re8 [ 43...Rxe6 44.Bxe6 Rf6 45.Rg6+- ]
44.Rxe8 Rxe8 45.Kf4 Re3 46.Kxf5 Rh3 47.Kg4 Re3+- White won in 77 1-0