[Event "It (open)"] [Site "masterchessopen.com Sevilla (Spain)"] [Round "4"] [White "Sion Castro Marcelino (ESP)"] [Black "Ariste Justo Jesus A (ESP)"] [Result "1-0"] [WhiteElo "2380"] [BlackElo "1878"] [ECO "B28"] [Opening "Sicilian: O'Kelly, 3.Nc3"] 1.e4 c5 2.Nf3 a6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 e6 6.Bf4 d6 7.Nf3 Nf6 8.Qd2 Be7 9.O-O-O e5 10.Bg5 O-O 11.Bxf6 Bxf6 12.Nd5 Be6 13.Bc4 Bxd5 14.Bxd5 Be7 15.Qe3 Qc7 16.Kb1 Rac8 17.h4 Nb4 18.c3 Nxd5 19.Rxd5 f5 20.Nd2 b5 21.exf5 Rxf5 22.Ne4 Qb7 23.Rhd1 a5 24.Qd3 Rff8 25.Rxb5 Qc7 26.Rd5 {#r} 1-0