Van Geffen - Dvirnyy Hoogeveen 2010 20.g4 Tab8 [20...Tfb8 21.gxh5 Ta5 22.hxg6 Th5 23.gxf7+ Kxf7 24.De3] 21.gxh5 Txb2 22.Td3 Tfb8 23.hxg6