ECO B22
ECO B00–B99 — Semi-Open Games other than the French: 1.e4 answered by the Sicilian, Caro-Kann, Scandinavian, Alekhine, Pirc and more.
12 named opening lines are classified under ECO code B22.
- Sicilian Defense: Alapin Variation — 1.e4 c5 2.c3
- Sicilian Defense: Alapin Variation, Anti-Alapin Gambit — 1.e4 c5 2.c3 d5 3.exd5 Nf6
- Sicilian Defense: Alapin Variation, Barmen Defense — 1.e4 c5 2.c3 d5 3.exd5 Qxd5
- Sicilian Defense: Alapin Variation, Barmen Defense, Central Exchange — 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 cxd4 5.cxd4 Nc6 6.Nf3 Bg4
- Sicilian Defense: Alapin Variation, Barmen Defense, Endgame Variation — 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 cxd4 5.cxd4 Nc6 6.Nf3 Bg4 7.Nc3 Bxf3 8.gxf3 Qxd4 9.Qxd4 Nxd4
- Sicilian Defense: Alapin Variation, Barmen Defense, Milner-Barry Attack — 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 cxd4 6.cxd4 e5 7.Nc3 Bb4 8.Be2
- Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line — 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 Bg4
- Sicilian Defense: Alapin Variation, Smith-Morra Declined — 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4
- Sicilian Defense: Alapin Variation, Stoltz Attack — 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Bc4 Nb6 6.Bb3
- Sicilian Defense: Alapin Variation, Stoltz Attack, Ivanchuk Line — 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Bc4 Nb6 6.Bb3 c4 7.Bc2 Qc7 8.Qe2 g5
- Sicilian Defense: Delayed Alapin Variation — 1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 5.d4 Nf6
- Sicilian Defense: Heidenfeld Variation — 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Na3