411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. Na3
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Buckley attack B02 Alekhine's defence
3. Na3?! · Buckley attack
White develops their knight to the rim: perhaps with the intention of Nc4.
History
Who Buckley is and how they originated this opening is not apparent. The earliest record of the line available on the Internet is Riediger versus Neckar, 1999.Riediger v Neckar, 1999. 365Chess.com
References