Selected Openings 20 Ruy-Lopez (Spanish Opening) Berlin Defence

1.e4 e5 2. Nf3 Nc6 3.Bb5 Nf6 4.0-0 {4.d3 Bc5 5.0-0 (5.Bxc6 dxc6 6.h3 Nd7 7.Nbd2 Bd6 8.Nc4 c5 9.0-0 0-0 10.b3 Re8 11.Bb2 f6 12.Nfd2 Nf8 13.Re1 c6 14.Nf1 Bc7 15.Bc3 Be6 16.Nce3 Ba5 17.Bd2 Bxd2 18.Qxd2 Bf7 19.Qe2 Qd7 20.a4 ±) 5...Nd4 6.Nxd4 Bxd4 7.c3 Bb6 8.Qf3 c6 9.Bc4 d6 10.Bg5 h6 11.Bxf6 Qxf6 12.Qxf6 gxf6  13.Kh1 Be6 14.Na3 Rg8 =} 4...Nxe4

{4...Bc5 5.c3 (5.Nxe5 Nxe4 6.Qe2 Nxe5 7.Qxe4 Qe7 8.d4 Nc6 9.Qxe7+ Bxe7 10.c3 0-0 11.Re1 Bf6 12.Nd2 d6 13.Ne4 Be7 14.Bd2 Be6 15.Bg5 h6 16.Bxc6 hxg5 =)5...0-0 6.d4 Bb6 7.Bg5 h6 8.Bh4 d6 9.Qd3 g5 10.Bg3 Nh5 11.Bxc6 bxc6 12.dxe5 g4 13.Nh4 Nxg3 14.hxg3 Be6 15.Rd1 Qg5 16.exd6 cxd6 17.Na3 d5 +-} 5.d4 Nd6 (5...exd4 6.Re1 d5 7.Nxd4 Bd6 8.Nxc6 Bxh2 9.Kxh2 Qh4+ 10.Kg1 Qxf2+ 11.Kh1 Qh4+ 12.Kg1 Qf2+ 13.Kh1 Qh4+   =) 6.Bxc6 (6.dxe5 Nxb5 7.a4 Nbd4 8.Nxd4 Nxd4 9.Qxd4 d5 10.exd6  Qxd6 11.Qe3+ Be6 12.Nc3 a6 13.Rd1 Qc6 14.Qd4 Qc5 15.Qe4 c6 16.Be3 Qf5 17.Bb6 Be7 18.Qxf5 ±) 6...dxc6 7.dxe5 Nf5 (7...Ne4 8.Qe2 Bf5 9.Rd1 Qc8 10.Nd4 Bc5 11.Be3 Bxd4 12.Bxd4 0-0 13.f3 Ng5 14.Nc3 Ne6 15.Be3 Bg6 16.Kh1 b6 17.Qc4 Qb7 18.Rd2 Rfd8 19.Rad1=) 8.Qxd8+ (8.Qe2 Nd4 9.Nxd4 Qxd4 10.Rd1 Bg4 11.Rxd4 Bxe2 12.Nc3 Bh5 13.Bf4 Rd8 14.Rxd8+ Kxd8 15.Be3 Kc8 16.f4 b6 17.Rf1 Bb4 18.Ne4 Be2 =) 8...Kxd8 

9.Nc3 Ne7 (9...Bd7 10.Rd1 Kc8 11.Ng5 Be8 12.b3 b6 13.Bb2 Be7 14.Nge4 Kb7 15.Rd3 Rd8 16.Rad1 Rxd3 17.Rxd3 h5 18.Ne2 c5 19.N4g3 Nxg3 20.Nxg3 Bc6 21.e6 fxe6 22.Bxg7 Rh7 23.Bb2 h4 24.Nf1 Be4 25.Rd2 =) 10.h3 h6 11.Be3 Ke8 12.Rad1 Bd7 13.Rfe1 Rd8 14.a3 a6 15.Ne4 Bf5 16.Nc5 Rxd1 17.Rxd1 Bc8 18.Nd3 Ng6 19.b4 Be7 20.Nd4 0-0 21.f4 Rd8 22.g4 Nh4 23.c3 Be6 24.Bf2 Bc4 =