Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Bc5

Ruy López Opening: Morphy Defense, Neo-Arkhangelsk Variation:

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Black develops his bishop before playing 5...b5 which prevents white from playing 6.Bb4 6...Bc5 7. a4 but allows 6.c3 6...b5 7.Bc2 or 6.Bxc6. White could also continue to play 6. d3 The Anderssen Variation.