[Event "It (open)"] [Site "masterchessopen.com – Berazategui (Argentina)"] [Round "1"] [White "Marquez Juan"] [Black "Kovaliov Anton (ARG)"] [Result "0-1"] [BlackElo "2510"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1.Nf3 Nf6 2.Nc3 c5 3.e4 d6 4.d4 cxd4 5.Nxd4 a6 6.g3 e5 7.Nf3 Nbd7 8.Bg5 Be7 9.Nd5 Nxd5 10.Qxd5 Bxg5 11.h4 Be7 12.Bc4 O-O 13.Nh2 Nb6 14.Qd3 Nxc4 15.Qxc4 Be6 16.Qc3 Rc8 17.Qd2 Qb6 18.O-O Rfd8 19.Ng4 Bxg4 {#R} 0-1