[Event "Mannheim"] [Site "masterchessopen.com"] [Round "0"] [White "Koebele, W."] [Black "Heine, J."] [Result "0-1"] [ECO "A52"] [Opening "Budapest: Rubinstein, 4...Nc6"] 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 Nc6 5.Nf3 Bb4+ 6.Nbd2 Qe7 7.a3 Ncxe5 8.Nxe5 Nxe5 { This has all been played many times and the feeling nowadays is that chances are about even. But not if White plays: } 9.axb4 { Yes, it does happen, presumably when White thinks his opponent has been careless and forgotten to insert 8...Bxd2+ before taking on e5. } ( { The correct move is } 9.e3 { , when } 9...Bxd2+ 10.Qxd2 d6 11.Be2 O-O 12.O-O Ng6 ( { instead } 12...b6 13.Rac1 Bb7 { is about equal } ) 13.Bg3 Be6 14.Rac1 { led to a slight advantage for White in G.Strutinskaya-E.Blokhina, Moscow 2008. } ) {#R} 0-1