[Event "Slovakian Junior Championships"] [Site "masterchessopen.com"] [Round "0"] [White "Grekso, M."] [Black "Slovik, V."] [Result "0-1"] [ECO "D51"] [Opening "QGD: 4.Bg5 Nbd7 5.Nf3 c6"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.e3 Qa5 { The starting point of the Cambridge Springs variation. Black moves his queen out of the pin on his king's knight and returns the favour by pinning White's queen's knight. } 7.Qc2 { The idea is that, on c2, the queen helps to defend the queen's knight, while increasing White's influence over the e4-square. } 7...Ne4 8.Bd3 { It seems that nothing much can go wrong in the position, so White routinely develops, but misses a trick. } ( { Instead, } 8.cxd5 { is the safe alternative, when } 8...Nxg5 9.Nxg5 exd5 10.Bd3 Be7 11.Nf3 Nf6 12.O-O O-O 13.a3 { led to a level position in P.Benko-L.Portisch, Reykjavik (rapid) 2008. } ) {#R} 0-1