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

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