Hammett - Sen

(28) Hammett,S (1473) - Sen,J (1500) [A02] Dyfed closed (4), 30.10.2011 [Kemenade] 1.f4 b6 2.b3 Bb7 3.Bb2 Nf6 4.e3 Nc6 [4...e6 ; 4...g6 ; 4...c5 played more often] 5.Nf3 e6 6.Nc3 [6.Be2 ; 6.a3 alternatives] 6...d5 7.Bb5 [7.g3 Arnold-Wrinn, USA prelim corr 1995,1/2-1/2; 7.Bd3 Bc5 Wolff-Glaeser, GER U26 2007,0-1; 7.Ne2 Volf-Steck Wattens op 1996,0-1] 7...Qd6 [7...a6 ] 8.Ne5 Nd7 9.Nxd7 [9.Qh5!? g6 10.Qf3 Ncxe5 11.fxe5 Qe7 (11...Qxe5? 12.Na4+- ) 12.d4+/= ; 9.Ne2!? ] 9...Qxd7 10.Qg4 0-0-0 11.Ne2 f5 12.Qf3 Rg8 13.h4 h6 a somewhat blocked position but in balance 14.g4 Qf7 15.Bxc6 Bxc6 16.g5 [16.Nd4 Bd7 17.gxf5 exf5 18.0-0-0 ] 16...hxg5 17.hxg5 Bb7 18.Nd4? [18.Qh3 c5 19.0-0-0= ] 18...c5-+ 19.Ne2 d4 20.Qh5 g6 21.Qh7 Rg7 [21...Bg7 22.exd4 Rh8-+ Fritz13] 22.Qh3 Bxh1 23.Qxh1-+ Rh7 a little incautious [23...Qb7-+ ] 24.Qa8+ Kc7 [24...Kd7 25.Qxa7+ Ke8 26.Qxb6 Rh1+ 27.Kf2 Rh2+ 28.Ke1 dxe3-+ ] 25.Qxa7+ Kc6 26.Qa4+ [26.Qxf7 Rxf7 27.exd4 Bg7-/+ ] 26...Kb7-+ 27.0-0-0 dxe3 28.d3 Bg7 29.d4 Qd7 [29...Rh2 ] 30.Qc4 e5 31.d5 e4 [31...exf4 ] 32.d6 Bxb2+ [32...Qxd6! Fritz13] 33.Kxb2 Qc6 34.Qe6 Qe8 35.Qd5+ Ka7 36.Nc3 Rb7 [36...Qh8 ] 37.Nb5+? Qxb5 38.Qe6 e2 [38...Qe2 39.Rc1 Qd2 ] 39.Re1 c4 40.Qxc4 Qxc4 41.bxc4 Rxd6 42.Rxe2 Rh7 Bl wins comfortably 43.Re3 Rh4 44.Ra3+ Kb7 45.Rb3 Kc6 46.a4 Kc5 47.Kc3 e3 48.Rb5+ Kc6 49.Re5 Rh3 50.Kb4 Kb7 51.Re7+ Ka6 52.c5 Rd4+ 53.c4 Re4 54.Rd7 e2 55.cxb6 e1Q+ 56.Kc5 Qa5+ 57.Kc6 [57.Kc6 Qxb6+ 58.Kd5 Rd3# ] 0-1