ECO C27

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 C27.

• Bishop's Opening: Boden-Kieseritzky Gambit — 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3
• Bishop's Opening: Boden-Kieseritzky Gambit, Lichtenhein Defense — 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3 d5
• Vienna Game: Adams' Gambit — 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.d4
• Vienna Game: Frankenstein-Dracula Variation — 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4
• Vienna Game: Stanley Variation, Alekhine Variation — 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7 6.Nf3 Nc6 7.Nxe5
• Vienna Game: Stanley Variation, Frankenstein-Dracula Variation — 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.Nb5 g6 7.Qf3 f5 8.Qd5 Qe7 9.Nxc7+ Kd8 10.Nxa8 b6
• Vienna Game: Stanley Variation, Monster Declined — 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7