411 REFERENCE · Wikibooks
Chess Opening Theory/1. f4/1...e5/2. fxe5/2...d6/3. exd6/3...Nf6
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Bird's Opening rd nd bd qd kd bd rd pd pd pd pd pd pd pl nd pl pl pl pl pl pl pl rl nl bl ql kl bl nl rl
3...Nf6
This is the Langheld Gambit, a dubious pawn sacrifice to create lots of unknown traps and trick the white players to fall for them. The opening reached small amounts of popularity in recent years due to FM William Graifs advocacy for its playability, its often only played in blitz, or bullet; but to a high level still!