C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.0-0 Bc5 5.c3!? Nxe4 6.d4 exd4 7.Re1? when you play a gambit you need to play accurately or you may lose quickly [better is 7.cxd4 d5 8.dxc5 dxc4 9.Qxd8+ Kxd8 10.Rd1+ Bd7 11.Be3 Ke7 12.Na3 Be6 13.Nb5 Rhc8 14.Ng5 Nxg5 15.Bxg5+ f6 16.Bf4 Ne5 17.Bxe5 fxe5 18.Re1 Kf6 19.Re3 Bd7 20.Rf3+=/+ Thorhallsson-Flear, Lloyds Bank Open 1987]
7...d5 8.cxd4 Bb4 9.Bd2 Bxd2 [9...0-0 10.Bxb4 Nxb4 11.Qb3 dxc4 12.Qxb4=/+ ]
10.Nbxd2= 0-0 11.Nxe4?! this creates a weak isolated d-pawn for White [11.Bb5 Nxd2 12.Qxd2 Qd6= ]
11...dxc4=/+ 12.Qc2 Bg4? [>=12...Qd5-/+ is a good as both an offensive and defensive move]
13.Neg5+/- g6 14.Qxc4 h6 15.d5 Bxf3?! [15...hxg5 must be considered 16.Qxg4 Qxd5 17.Nxg5 Kg7+/= ]
16.Nxf3+/- Ne7 17.Rad1 Nf5 18.Nd4 [18.Qb3 Qd6+/- ]
18...Nd6 19.Qc1 Qg5 20.Qxc7 Qf6 21.Qe7 Qxd4?? it's hard to recommend anything about this move - Black apparently lost his nerve [>=21...Qxe7 22.Rxe7 Rfe8 23.Rxe8+ Rxe8+/- ]
22.Rxd4+- Rfe8 23.Qxe8+ Nxe8 24.d6 [24.Re7+- is even stronger, since White's objective should be to use the d-pawn as a distraction to pick off pawns]
24...Rd8 25.d7 Nf6 26.Red1 Kf8 27.h4 h5?! [27...Ke7 28.Re1+ Kf8 29.Rd6 Nxd7 30.h5+- ]
28.Rc4 Nxd7 29.Rc7 Ke7 30.Rxb7 Ke6 31.Rxa7 Rb8 32.Rdxd7 Rxb2 33.Rxf7 1-0