[Event "World Schools U17 2017"] [Site "Iasi ROU"] [Date "2017.04.28"] [Round "7.2"] [White "Costachi,M"] [Black "Calin,Alexandru"] [Result "1-0"] [WhiteElo "2460"] [BlackElo "2049"] [ECO "D30"] [Opening "QGD: 3.Nf3 c6 4.e3"] 1.d4 d5 2.c4 e6 3.Nf3 c6 4.e3 Bd6 5.b3 Nf6 6.Bb2 O-O 7.Nbd2 Nbd7 8.Bd3 Re8 9.Ne5 dxc4 10.Nexc4 Bf8 11.Qc2 h6 12.O-O Nd5 13.a3 c5 14.dxc5 Nxc5 15.Bh7+ Kh8 16.Ne5 Qe7 17.Bg6 f5 18.Bxf5 Qg5 19.Nf7+ {#r} 1-0