1.e4 c6 The Caro Kann defense

2.d4 d5 3.Nc3 dxe4 4.Nxe4 All standard. 4...Bf5 is the Classical line.

4...Nf6 The Bronstein Larsen. 5.Nxf6 nicks the black pawn structure and offers white a lasting positional advantage.

5.Ng3 This has the merit of preventing the natural Bf5

5...e6 And now the Bc8 will be harder to develop

6.Nf3 To over-protect d4 and control e5, preventing e6-e5

6...c5 Counter-attacking the center and to open a development path for the Bc8

7.Bd3 With the black pawn on d3, the best square for the light-squared bishop.

7...Nc6 [7...cxd4 8.Nxd4 Qxd4 9.Bb5+ ]

8.dxc5 Bxc5 9.a3 0-0 10.0-0 b6 To develop the Bc8-b7

11.b4 Siezing the opportunity to take the long a1-h8 diagonal.

11...Be7 12.Bb2 Qc7 13.b5 Preparing Ne5

13...Na5 14.Ne5 Bb7 15.Ng4 To strip the black kingside of a key defender

15...Qd8 16.Ne3 [16.Qe2 ]

16...Nd5?! 17.Qh5 g6 Weakening the dark squares on the kingside, especially h6 and g7.

18.Ng4 idea Nh6 mate

18...Bf6 [18...gxh5 19.Nh6# ]

19.Nxf6+ Preserving the Bb2 for the attack

19...Nxf6 20.Qh6 Rc8 21.Rad1 idea Bxg6

21...Qe7 22.Rfe1 Ne8 23.Nf5! Qc5 [23...exf5 24.Rxe7 ; 23...gxf5 24.Bxf5 f6 25.Bxe6+ Kh8 26.Rd7+- ]

24.Re5 [24.Bd4 Qc7 25.Bf6+- ]

24...Bd5 Diagram it's mate in 4!

25.Ne7+ Qxe7 [25...Kh8 26.Qxf8# ]

26.Qxh7+ Kxh7 27.Rh5+ Kg8 28.Rh8# 1-0