411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. b4/4...Bb6/5. b5/5...Na5
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Evans Gambit Declined
Evans Gambit Declined
5...Na5
Black saves their knight while attacking white's bishop on c4. White's idea with 5. b5 was to lure away the knight from the defence of the e-pawn, so White will often play /6. Nxe5/, taking the free pawn, defending the bishop and attacking f7.