[Event "It (open) \"] [Site "masterchessopen.com Buenos Aires (Argentina)"] [Round "1"] [White "Manchego Carlos"] [Black "Debarnot Roberto (ARG)"] [Result "0-1"] [BlackElo "2355"] [ECO "E21"] [Opening "Nimzo-Indian: Three Knights"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.e3 O-O 6.Bd3 d5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 Qc7 11.Ba2 e5 12.h3 Rd8 13.Bb2 b5 14.Qe2 e4 15.Nd2 c4 16.f3 Bf5 17.Bb1 Re8 18.Qf2 Na5 19.Bc2 Nb3 20.Rae1 Qd7 21.fxe4 Bxe4 22.Bxe4 Rxe4 23.Qg3 Qe7 24.Qg5 a6 25.Rf2 h6 26.Qg3 Re8 27.Nf1 Nd5 28.Rf3 g6 29.Re2 Kh7 30.Qf2 f5 31.Rxf5 gxf5 32.Qxf5+ Kh8 33.Qxd5 Rf8 34.Rf2 Rxf2 35.Kxf2 Qf6+ 36.Kg1 Qg6 37.a4 Qe6 38.Qxe6 Rxe6 39.axb5 axb5 40.Kf2 Ra6 41.d5 Ra2 42.d6 Rxb2+ 43.Kg3 {#R} 0-1