[FEN "rnbqk1nr/ppp2ppp/4p3/3p4/1bPP4/5N2/PP1BPPPP/RN1QKB1R b KQkq"]

4... Be7 5. Nc3 Nf6 6. Bf4 O-O 7. e3 b6 8. Bd3 Ba6 9. cxd5


w b wb bw | w b wb bw

b     an



4...Be7      an



5. Nc3      an



5...Nf6      an



6. Bf4      an



6...O-O      an



7. e3      an



7...b6      an



8. Bd3      an



8...Ba6      an



9. cxd5      an