new defenses


The Audi Defense is a flexible hybrid between the English Defense and Old Indian setups, created by Jose Audiel Gallegos Garcia. It offers solid structure, sharp queensidecounterplay, and strong surprise value — perfect for creative players who enjoy complex, positional

Main Line1. c4 d6 2. e3 Nd7 3. Nc3 b6 4. d4 Bb7 5. e4 e5 6. d5 Be7 7. Nf3 Ngf6 8. g3 O-O 9. Bg2 a6 10. O-O b5→ Black expands on the queenside while maintaining a solid center. Typical follow-up: ...Ba6, ...bxa4,and ...Nc5 with strong piece play.■■ Key Ideas• Queenside Expansion: Play ...a6–b5–b4 and open the a-file.• Central Control: Use ...c6 or ...exd4 to undermine White’s d5-pawn.• Safe King: ...Re8–Bf8–g6–Bg7 keeps your king protected.• Knight Routes: ...Nf6–d7–c5 or ...Ne8–g7–f5 for flexibility.• Typical Middle Game Plan: Pressure along the a- and b-files and use light-square control.■ Key VariationsMain Line A: 9. Bg2 a6 10. O-O b5 — “Audi Counterplay Plan”Black gains queenside space and open files for rooks.Subline B: 9. Be2 Re8 10. O-O Bf8 11. Qc2 g6 — “Solid Plan”Play slowly, fianchetto the bishop, and prepare ...a5–Nc5.Subline C: 9. c5 bxc5 10. Bd3 c6 — “Space Grab Reaction”Challenge the center with ...Bxc6 and activate both bishops.

Main Line1. c4 d6 2. e3 Nd7 3. Nc3 b6 4. d4 Bb7 5. e4 e5 6. d5 Be7 7. Nf3 Ngf6 8. g3 O-O 9. Bg2 a6 10. O-O b5→ Black expands on the queenside while maintaining a solid center. Typical follow-up: ...Ba6, ...bxa4,and ...Nc5 with strong piece play.■■ Key Ideas• Queenside Expansion: Play ...a6–b5–b4 and open the a-file.• Central Control: Use ...c6 or ...exd4 to undermine White’s d5-pawn.• Safe King: ...Re8–Bf8–g6–Bg7 keeps your king protected.• Knight Routes: ...Nf6–d7–c5 or ...Ne8–g7–f5 for flexibility.• Typical Middle Game Plan: Pressure along the a- and b-files and use light-square control.■ Key VariationsMain Line A: 9. Bg2 a6 10. O-O b5 — “Audi Counterplay Plan”Black gains queenside space and open files for rooks.Subline B: 9. Be2 Re8 10. O-O Bf8 11. Qc2 g6 — “Solid Plan”Play slowly, fianchetto the bishop, and prepare ...a5–Nc5.Subline C: 9. c5 bxc5 10. Bd3 c6 — “Space Grab Reaction”Challenge the center with ...Bxc6 and activate both bishops.