[Event "It (open) (juniors)"] [Site "masterchessopen.com Hengelo (Netherlands)"] [Round "1"] [White "De Groot Thijs"] [Black "Carstensen Jacob (DEN)"] [Result "0-1"] [BlackElo "2165"] [ECO "E20"] [Opening "Nimzo-Indian Defence"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 O-O 7.Nf3 d6 8.Bd3 Qc7 9.O-O e5 10.e4 Bg4 11.Be3 b6 12.h3 Bh5 13.Kh1 Nc6 14.d5 Ne7 15.Bg5 Ne8 16.g4 Bg6 17.Nh4 f6 18.Be3 Bf7 19.Nf5 g5 20.h4 Nxf5 21.gxf5 h6 22.Qg4 Ng7 23.hxg5 Bh5 24.Qg3 hxg5 25.Rg1 Qe7 26.Kh2 Kf7 27.Bc2 Rh8 28.Kg2 Rh7 29.f3 Rah8 30.Rh1 Kg8 31.Kf2 Be8 32.Qg2 Nh5 33.Rh2 Nf4 34.Rxh7 Rxh7 35.Bxf4 exf4 36.Ke2 Rh4 37.Rh1 Qh7 38.Rxh4 Qxh4 39.a4 Qh7 40.Kd3 Qb7 41.Qh1 Kg7 42.Qb1 Qa6 43.Qb3 Bd7 44.Kd2 Qc8 45.Qb1 Qh8 46.Qf1 Qh2+ 47.Qe2 Qg1 48.Qe1 Qg2+ 49.Qe2 Qh1 50.Qd1 Qh3 51.Qe2 Kf8 52.Ke1 g4 53.fxg4 Qxc3+ 54.Kf1 f3 55.Qd3 Qxd3+ 56.Bxd3 Bxa4 57.Kf2 Kg7 58.Kxf3 Kh6 59.Kf4 Bd1 60.Bb1 a5 61.e5 fxe5+ 62.Kg3 Kg5 63.f6 Kxf6 64.Kh4 Be2 65.Ba2 a4 66.g5+ Kg7 67.Kg3 Kg6 68.Kh4 Bd3 {#R} 0-1