Sicilian Defense: Closed, Portland Attack
ECO B23 · 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g4
Related variations
- Sicilian Defense: Closed, Anti-Sveshnikov Variation
- Sicilian Defense: Closed, Traditional
- Sicilian Defense: Closed, Chameleon Variation
- Sicilian Defense: Closed, Fianchetto Variation
- Sicilian Defense: Closed, Grob Attack
- Sicilian Defense: Closed, Korchnoi Defense
- Sicilian Defense: Closed, Carlsen Variation
- Sicilian Defense: Closed, Botvinnik Defense, with f4
- Sicilian Defense: Closed, Botvinnik Defense, with Nge2
- Sicilian Defense: Closed, Smyslov Variation
- Sicilian Defense: Closed, Botvinnik Defense, Edge Variation