ECO B01
ECO B00–B99 — Semi-Open Games other than the French: 1.e4 answered by the Sicilian, Caro-Kann, Scandinavian, Alekhine, Pirc and more.
43 named opening lines are classified under ECO code B01.
- Scandinavian Defense — 1.e4 d5
- Scandinavian Defense: Anderssen Counterattack — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5
- Scandinavian Defense: Anderssen Counterattack, Collijn Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.Nf3 Bg4
- Scandinavian Defense: Anderssen Counterattack, Goteborg System — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.Nf3
- Scandinavian Defense: Anderssen Counterattack, Orthodox Attack — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.dxe5 Nc6 6.Nf3 Bb4 7.Bd2
- Scandinavian Defense: Blackburne Gambit — 1.e4 d5 2.exd5 c6 3.dxc6 Nxc6
- Scandinavian Defense: Blackburne-Kloosterboer Gambit — 1.e4 d5 2.exd5 c6
- Scandinavian Defense: Boehnke Gambit — 1.e4 d5 2.exd5 e5 3.dxe6 Bxe6
- Scandinavian Defense: Bronstein Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Nf3 a6
- Scandinavian Defense: Classical Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bf5
- Scandinavian Defense: Grünfeld Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bf5 6.Ne5 c6 7.g4
- Scandinavian Defense: Gubinsky-Melts Defense — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6
- Scandinavian Defense: Icelandic-Palme Gambit — 1.e4 d5 2.exd5 Nf6 3.c4 e6
- Scandinavian Defense: Kiel Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.c4 Nb4
- Scandinavian Defense: Kloosterboer Gambit — 1.e4 d5 2.exd5 c6 3.dxc6 e5
- Scandinavian Defense: Kádas Gambit — 1.e4 d5 2.exd5 Nf6 3.d4 c6 4.dxc6 e5
- Scandinavian Defense: Lasker Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bg4 6.h3
- Scandinavian Defense: Main Line — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5
- Scandinavian Defense: Main Line, Leonhardt Gambit — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.b4
- Scandinavian Defense: Main Line, Mieses Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6
- Scandinavian Defense: Marshall Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Nxd5
- Scandinavian Defense: Mieses-Kotroc Variation — 1.e4 d5 2.exd5 Qxd5
- Scandinavian Defense: Modern Variation — 1.e4 d5 2.exd5 Nf6
- Scandinavian Defense: Modern Variation, Gipslis Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.Nf3 Bg4
- Scandinavian Defense: Modern Variation, Wing Gambit — 1.e4 d5 2.exd5 Nf6 3.d4 g6 4.c4 b5
- Scandinavian Defense: Panov Transfer — 1.e4 d5 2.exd5 Nf6 3.c4 c6
- Scandinavian Defense: Portuguese Gambit — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4
- Scandinavian Defense: Portuguese Gambit, Banker Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.f3 Bf5 5.c4
- Scandinavian Defense: Portuguese Gambit, Classical Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.Nf3
- Scandinavian Defense: Portuguese Gambit, Correspondence Refutation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.f3 Bf5 5.g4
- Scandinavian Defense: Portuguese Gambit, Elbow Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.Bb5+ c6
- Scandinavian Defense: Portuguese Gambit, Jadoul Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.f3 Bf5 5.Bb5+ Nbd7 6.c4
- Scandinavian Defense: Portuguese Gambit, Lusophobe Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.Bb5+ Nbd7 5.Be2
- Scandinavian Defense: Portuguese Gambit, Melbourne Shuffle Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.f3 Bf5 5.Bb5+ Nbd7 6.Nc3
- Scandinavian Defense: Portuguese Gambit, Wuss Variation — 1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.Be2
- Scandinavian Defense: Richter Variation — 1.e4 d5 2.exd5 Nf6 3.d4 g6
- Scandinavian Defense: Schiller-Pytel Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 c6
- Scandinavian Defense: Schiller-Pytel Variation, Modern Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Bc4 c6 6.Nge2 Bf5 7.Bf4 Qb4
- Scandinavian Defense: Valencian Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd8
- Scandinavian Defense: Valencian Variation, Ilundain Variation — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd8 4.d4 Nf6 5.Nf3 c6
- Scandinavian Defense: Valencian Variation, Main Line — 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd8 4.d4 Nf6 5.Nf3 Bg4
- Scandinavian Defense: Zilbermints Gambit — 1.e4 d5 2.b4
- Van Geet Opening: Grünfeld Defense — 1.e4 d5 2.Nc3 dxe4 3.Nxe4 e5