411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...g5/2. d4/2...f6
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
2...f6??
This move is a blunder because it allows White to immediately checkmate with 3. Qh5#. This is known as a reverse fool's mate, and it is the fastest possible mate for White.
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