411 REFERENCE · Wikibooks
Chess Opening Theory/1. b4/1...e6/2. Bb2/2...Nf6
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Polish Opening
2...Nf6
Black correctly avoids capturing the pawn on b4 and develops their knight. /3. b5/ is usually played.