by Karsten Müller Races and pawn breakthroughs should always be calculated carefully and sometimes a retreat is the real point. 158.01 Hou Yifan (2629) - Ding Liren (2717) ch-CHN 2014 Xinghua (5), 15.03.2014 55.Bxg6! However, not 55.bxc4? d3! and Black survives: 56.Kxd3 (56.cxd3? b3-+) 56...Kxf5 57.c5 Nxf4+=; 55.Kxd4? cxb3 56.cxb3 Kxf5 57.Kc4 Nxf4 58.Kxb4=. 55...d3 55...Kxg6 56.Kxd4 c3 57.Kc4 Kf5 58.Kxb4 Kxf4 59.Kxc3+-. 56.Ke3!! This retreat breaks the wave of pawns. 56.cxd3? cxb3-+. 56...Kxg6 56...dxc2 57.Bxc2+-. 57.bxc4 57.cxd3? cxb3 58.Kd2 Kf5 59.Kc1 Kxf4 60.Kb2 Ke3 61.Kxb3 Kxd3 62.Kxb4=. 57...dxc2 58.Kd2 Kf5 58...b3 is met by 59.c5 Kf5 … [Read more...]