411 REFERENCE · Wikibooks
Chess Opening Theory/1. f4/1...e5/2. fxe5/2...d6/3. exd6/3...Bxd6/4. Nf3/4...g5/5. h3/5...Bg3
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Bird's Opening rd nd bd qd kd nd rd pd pd pd pd pd pd nl bd pl pl pl pl pl pl pl rl nl bl ql kl bl rl
5...Bg3#
This is checkmate.