ECO C51
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.
27 named opening lines are classified under ECO code C51.
- Italian Game: Evans Gambit — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4
- Italian Game: Evans Gambit Accepted — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4
- Italian Game: Evans Gambit Declined — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6
- Italian Game: Evans Gambit Declined, Cordel Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.Bb2
- Italian Game: Evans Gambit Declined, Hicken Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Qf3 Qxe5 8.Qxf7+ Kd8 9.Bb2
- Italian Game: Evans Gambit Declined, Hirschbach Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5
- Italian Game: Evans Gambit Declined, Lange Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6
- Italian Game: Evans Gambit Declined, Pavlov Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6 7.d4 d6 8.Bxh6 dxe5 9.Bxg7 Rg8 10.Bxf7+ Kxf7 11.Bxe5 Qg5 12.Nd2
- Italian Game: Evans Gambit Declined, Showalter Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4 a6 6.Nc3
- Italian Game: Evans Gambit Declined, Vasquez Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Bxf7+ Ke7 8.Qh5
- Italian Game: Evans Gambit, Anderssen Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7
- Italian Game: Evans Gambit, Anderssen Variation, Cordel Line — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 6.d4 Na5
- Italian Game: Evans Gambit, Fontaine Countergambit — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 b5
- Italian Game: Evans Gambit, Fraser Attack — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4
- Italian Game: Evans Gambit, Fraser-Mortimer Attack — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 Bd7 11.Qb3 Na5 12.Bxf7+ Kf8 13.Qc2
- Italian Game: Evans Gambit, Göring Attack — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3 Na5 10.Bg5
- Italian Game: Evans Gambit, Harding Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.cxd4 Bb4+ 8.Bd2
- Italian Game: Evans Gambit, Hein Countergambit — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 d5
- Italian Game: Evans Gambit, Mayet Defense — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bf8
- Italian Game: Evans Gambit, McDonnell Defense — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5
- Italian Game: Evans Gambit, McDonnell Defense, Main Line — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6
- Italian Game: Evans Gambit, Morphy Attack — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3
- Italian Game: Evans Gambit, Mortimer-Evans Gambit — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 Bd7 11.Qb3 Na5 12.Bxf7+ Kf8 13.Qc2 Kxf7
- Italian Game: Evans Gambit, Paulsen Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2 Ne7
- Italian Game: Evans Gambit, Steinitz Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3 Na5 10.Bg5 f6 11.Be3
- Italian Game: Evans Gambit, Stone-Ware Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bd6
- Italian Game: Evans Gambit, Ulvestad Variation — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2