1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d6 6.0-0 Nbd7 7.Nc3 e5 8.h3 exd4 9.Nxd4 Nb6 10.b3 d5
White plays 8.h3, because it is always a useful move and then unlike with 8.e4 the line 8...a6 would be favourable (9.dxe5 dxe5 10.Be3!). But the sequence of moves which leads to the diagram seems to give Black sufficient play.
(Language: German and English) 17 commented games (Language: English)