[Event "Memorial Kapusa (corr.)"] [Site "masterchessopen.com – England"] [Round "0"] [White "Nunn John D M (ENG)"] [Black "Gruenfeld Yehuda (ISR)"] [Result "1-0"] [WhiteElo "2580"] [BlackElo "2515"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Bd3 g6 8.O-O Bg7 9.Nf3 Nbd7 10.Qe1 O-O 11.Qh4 b5 12.f5 Bb7 13.fxg6 fxg6 14.Ng5 Nc5 15.Rxf6 Rxf6 16.Qxh7+ Kf8 17.Be3 Nxd3 18.cxd3 Qd7 19.Nd5 Bxd5 20.exd5 Qf5 21.Ne6+ Rxe6 22.dxe6 Qxe6 23.Bh6 {#r} 1-0