[Event "It"] [Site "masterchessopen.com - Marienbad (Czech Republic)"] [Round "10"] [White "Przepiorka Dawid (POL)"] [Black "Gruenfeld Ernst F (AUT)"] [Result "1/2-1/2"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1.Nf3 Nf6 2.d4 b6 3.g3 Bb7 4.Bg2 c5 5.c3 d6 6.O-O Nbd7 7.Nbd2 Qc7 8.Re1 cxd4 9.cxd4 e6 10.b3 d5 11.Bb2 Bd6 12.Rc1 Qb8 13.Rc2 O-O 14.Qa1 Rc8 15.Rec1 Rxc2 16.Rxc2 Qf8 17.Qc1 Rc8 18.e3 Rxc2 19.Qxc2 Qc8 20.Qxc8+ Bxc8 21.Bf1 Bb7 22.Bd3 {#d} 1/2-1/2