ECO B13

ECO B00–B99 — Semi-Open Games other than the French: 1.e4 answered by the Sicilian, Caro-Kann, Scandinavian, Alekhine, Pirc and more.

11 named opening lines are classified under ECO code B13.

• Caro-Kann Defense: Exchange Variation — 1.e4 c6 2.d4 d5 3.exd5
• Caro-Kann Defense: Exchange Variation, Bulla Attack — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.g4
• Caro-Kann Defense: Exchange Variation, Rubinstein Variation — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.Bf4
• Caro-Kann Defense: Panov Attack — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4
• Caro-Kann Defense: Panov Attack, Gunderam Attack — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.c5
• Caro-Kann Defense: Panov Attack, Modern Defense — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6
• Caro-Kann Defense: Panov Attack, Modern Defense, Carlsbad Line — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 e6
• Caro-Kann Defense: Panov Attack, Modern Defense, Czerniak Line — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qa5
• Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Nf3 Bg4
• Caro-Kann Defense: Panov Attack, Modern Defense, Reifir-Spielmann Line — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qb6
• Caro-Kann Defense: Panov-Botvinnik, Herzog Defense — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 dxc4 7.d5 Na5