Eröffnungen

English Opening: Fianchetto, Ultra-Symmetrical, Botvinnik System

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 Nf6 7.O-O O-O 8.d3
Top-Spieler