GM Yermolinsky - What it takes to be a complete 1.d4 player - QGD - Vd11
Yermolinsky, Glienke, Koenig D63 QGD; Orthodox Defence - 7.Rc1 | |
Sharpen your chess-sense with IM Watson! - Repertoire for Black - The English Defense #7
Hertneck, King, Kosten, Bauer, Kleff, Koenig A10 English Defense |