ECO C22

ECO C00–C99 — Open Games and the French Defense: 1.e4 e6 and 1.e4 e5, from the Italian and Ruy Lopez to the King's Gambit.

7 named opening lines are classified under ECO code C22.

• Center Game: Berger Variation — 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6
• Center Game: Charousek Variation — 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Bb4+ 5.c3 Be7
• Center Game: Hall Variation — 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qc4
• Center Game: Kupreichik Variation — 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6 5.Nc3 Bb4 6.Bd2 O-O 7.O-O-O Re8 8.Bc4 d6 9.Nh3
• Center Game: Normal Variation — 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6
• Center Game: Paulsen Attack Variation — 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3
• Center Game: l'Hermet Variation — 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 f5