(C68) Exchange
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6
(C68) Exchange (Keres)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5.Nc3
(C68) Exchange (Romanovsky)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5.Nc3 f6 6.d3
(C68) Exchange (Alekhine)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5.d4 exd4 6.Qxd4 Qxd4
(C68) Exchange (Alapin)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5.d4 Bg4
(C68) Exchange (Alapin Gambit)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5.O-O Bg4 6.h3 h5
(C68) Exchange (Bronstein)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5.O-O Qd6
(C68) Exchange (Classical)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5.O-O Bd6