Ruy López Opening: Morphy Defense, Arkhangelsk Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 7.d3 Be7 8.Re1 O-O 9.Nbd2 d6 10.c3 Na5 11.Bc2 c5 12.Nf1