1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Qc2 Bd6 7.Bd3 0-0 8.0-0 dxc4 9.Bxc4 a6
By playing 9...a6 instead of the major alternatives 9...b5 and 9...e5, Black keeps in reserve precisely those two moves and in addition he is ready to play 9...c5 in many lines. The main variation goes 10.Rd1 b5, and according to Krasenkow’s analysis White has no advantage.
(Language: German and English) 6 commented games (Language: English)