ECO chess codes A0 - Reti/Bird/Nimzo Larsen
A00 - Solosky's Opening
1.b4
A01 - Nimzo-Larsen Attack
1. b3
A02 - Bird's Opening
1. f4
A03
1. f4 d5
A04 - Reti Opening
1. Nf3
A05
1. Nf3 Nf6
A06
1. Nf3 d5
A07 - Reti Opening/Barcza System
1. Nf3 d5
2. g3
A08
1. Nf3 d5
2. g3 c5
3. Bg2
A09 - Reti Opening
1. Nf3 d5
2. c4
ECO Chess Codes
Chess Notation
Chess Openings