Openings after 1. Nf3
109 ECO entries beginning with 1. Nf3.
- Colle System: Rhamphorhynchus Variation (A04)
- Modern Defense: Semi-Averbakh Variation, Polish Variation (A04)
- Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation (A04)
- Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted (A04)
- Zukertort Defense: Kingside Variation (A04)
- Zukertort Defense: Sicilian Knight Variation (A04)
- Zukertort Opening (A04)
- Zukertort Opening: Arctic Defense (A04)
- Zukertort Opening: Arctic Defense, Drunken Knight Variation (A04)
- Zukertort Opening: Basman Defense (A04)
- Zukertort Opening: Black Mustang Defense (A04)
- Zukertort Opening: Drunken Cavalry Variation (A04)
- Zukertort Opening: Dutch Variation (A04)
- Zukertort Opening: Herrstrom Gambit (A04)
- Zukertort Opening: Kingside Fianchetto (A04)
- Zukertort Opening: Lisitsyn Gambit (A04)
- Zukertort Opening: Lisitsyn Gambit Deferred (A04)
- Zukertort Opening: Pirc Invitation (A04)
- Zukertort Opening: Polish Defense (A04)
- Zukertort Opening: Queen's Gambit Invitation (A04)
- Zukertort Opening: Queenside Fianchetto Variation (A04)
- Zukertort Opening: Ross Gambit (A04)
- Zukertort Opening: Shabalov Gambit (A04)
- Zukertort Opening: Sicilian Invitation (A04)
- Zukertort Opening: Slav Invitation (A04)
- Zukertort Opening: Speelsmet Gambit (A04)
- Zukertort Opening: St. George Defense (A04)
- Zukertort Opening: The Walrus (A04)
- Zukertort Opening: Vos Gambit (A04)
- Zukertort Opening: Wade Defense (A04)
- Zukertort Opening: Ware Defense (A04)
- King's Indian Attack (A05)
- King's Indian Attack: Smyslov Variation (A05)
- King's Indian Attack: Spassky Variation (A05)
- King's Indian Attack: Symmetrical Defense (A05)
- King's Indian Attack: Wahls Defense (A05)
- Polish Opening: Zukertort System (A05)
- Zukertort Opening (A05)
- Zukertort Opening (A05)
- Zukertort Opening: Double Fianchetto Attack (A05)
- Zukertort Opening: Lemberger Gambit (A05)
- Zukertort Opening: Myers Polish Attack (A05)
- Zukertort Opening: Nimzo-Larsen Variation (A05)
- Zukertort Opening: Quiet System (A05)
- Nimzo-Larsen Attack: Classical Variation (A06)
- Nimzo-Larsen Attack: Norfolk Gambit (A06)
- Nimzo-Larsen Attack: Norfolk Gambit (A06)
- Zukertort Opening (A06)
- Zukertort Opening: Ampel Variation (A06)
- Zukertort Opening: Old Indian Attack (A06)
- Zukertort Opening: Pachman Gambit (A06)
- Zukertort Opening: Regina-Nu Gambit (A06)
- Zukertort Opening: Reversed Mexican Defense (A06)
- Zukertort Opening: The Potato (A06)
- King's Indian Attack (A07)
- King's Indian Attack, with Bf5 (A07)
- King's Indian Attack, with Bf5 (A07)
- King's Indian Attack, with Bf5 (A07)
- King's Indian Attack, with Bf5 (A07)
- King's Indian Attack, with Bf5 (A07)
- King's Indian Attack, with e6 (A07)
- King's Indian Attack, with e6 (A07)
- King's Indian Attack: Double Fianchetto (A07)
- King's Indian Attack: Keres Variation (A07)
- King's Indian Attack: Keres Variation (A07)
- King's Indian Attack: Keres Variation (A07)
- King's Indian Attack: Keres Variation (A07)
- King's Indian Attack: Omega-Delta Gambit (A07)
- King's Indian Attack: Pachman System (A07)
- King's Indian Attack: Sicilian Variation (A07)
- King's Indian Attack: Yugoslav Variation (A07)
- King's Indian Attack: French Variation (A08)
- King's Indian Attack: Sicilian Variation (A08)
- King's Indian Attack: Sicilian Variation (A08)
- Zukertort Opening: Reversed Grünfeld (A08)
- Zukertort Opening: Reversed Grünfeld (A08)
- Zukertort Opening: Reversed Grünfeld (A08)
- Zukertort Opening: Reversed Grünfeld (A08)
- Réti Opening (A09)
- Réti Opening: Advance Variation (A09)
- Réti Opening: Advance Variation, Michel Gambit (A09)
- Réti Opening: Advance Variation, Navara Gambit (A09)
- Réti Opening: Penguin Variation (A09)
- Réti Opening: Reversed Blumenfeld Gambit (A09)
- Réti Opening: Réti Accepted (A09)
- Réti Opening: Réti Gambit, Keres Variation (A09)
- Réti Opening: Zilbermints Gambit (A09)
- Réti Opening: Anglo-Slav Variation, with g3 (A11)
- Réti Opening: Anglo-Slav Variation, Bled Variation (A12)
- Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (A12)
- Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (A12)
- Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (A12)
- Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (A12)
- Réti Opening: Anglo-Slav Variation, New York System (A12)
- Réti Opening: Anglo-Slav Variation, New York System (A12)
- Réti Opening: Anglo-Slav Variation, New York System (A12)
- English Opening: Agincourt Defense, Neo-Catalan Declined (A14)
- English Opening: Agincourt Defense, Neo-Catalan Declined (A14)
- English Opening: Agincourt Defense, Neo-Catalan Declined (A14)
- English Opening: Agincourt Defense, Neo-Catalan Declined (A14)
- Réti Opening: Anglo-Slav Variation (A14)
- Réti Opening: Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line (A14)
- Pterodactyl Defense (A42)
- Queen's Pawn Game: Anti-Torre (D02)
- Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan (D02)
- Semi-Slav Defense: Normal Variation (D45)
- Queen's Gambit Declined: Orthodox Defense, Capablanca Variation (D63)
- Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack (D64)
- Queen's Indian Defense, with e3 (E14)