White can also offer the good 6.e5 against 5 ... c5 , after which 6 ... Nfd7 7.exd6 0-0 is considered to essay sharp play for Black .
White can also essay the sharp 6.e5 against 5 ... c5 , after which 6 ... Nfd7 7.exd6 0-0 is considered to offer good play for Black .