[Event "Ch Catalunia"] [Site "masterchessopen.com - Barcelona (Spain)"] [Date "2001.04.08"] [Round "1"] [White "Mercader Gasco J"] [Black "Jerez Perez Alfonso (ESP)"] [Result "0-1"] [WhiteElo "1990"] [BlackElo "2356"] [ECO "A01"] [Opening "Nimzowitsch-Larsen: 1...e5 2.Bb2 Nc6 3.e3"] 1.b3 e5 2.Bb2 Nc6 3.e3 Nf6 4.Bb5 d6 5.d4 exd4 6.exd4 a6 7.Qe2+ Be7 8.Bd3 O-O 9.Nf3 Nb4 10.Nbd2 Bg4 11.h3 Bh5 12.g4 Nxd3+ 13.Qxd3 Bg6 14.Qc3 Nd5 15.Qc4 c5 16.O-O-O b5 17.Qf1 Qa5 18.Kb1 Nc3+ 19.Bxc3 Qxc3 20.Rc1 d5 {#R} 0-1