(1) Chieu,Ken (2194) - Kernighan,Mark (2235) [D02]
4th Irving Ellner Memorial Kenilworth, NJ (3), 28.04.2011
[Houdini 1.5a]

D02 QP Game London System

1.Nf3 d5 2.d4 Nf6 3.Bf4 c5 4.e3 Qb6 5.b3 Nc6 6.c3 Bf5 7.Bd3 Bxd3 8.Qxd3 e6 9.Nbd2 Be7 10.0-0 0-0
Diagram



11.a4N
[Predecessor (12): 11.Ne5 Rfd8 12.Bg5 Qc7 13.f4 Rac8 14.Rf3 1/2-1/2 (14) Rios del Moral,R (2170)-Fernandez Siles,L (2305)/Motril 2008/EXT 2009]

11...a6 12.a5 Qd8 13.dxc5 Bxc5 14.b4 Be7 15.Ne5 Nxe5 16.Bxe5 Rc8 17.Ra2 Nd7 18.Bg3 Bf6 19.Rc2 Ne5 20.Bxe5 Bxe5 21.Rfc1 Bd6 22.g3 Qe7 23.e4 dxe4 24.Nxe4 Bb8 25.h4 Rfd8 26.Qe2 Rd5 27.c4 Re5!?
Black is threatening 28...f5 as well as 28...Qxb4 but White finds the only defense. [>=27...Rd4 ]

28.f4 Rf5 29.c5
Diagram



29...g6??
[29...Rd5= ]

30.c6??
[30.Nd6 Bxd6 31.cxd6 Rxc2 32.dxe7 Rxc1+ 33.Kh2 Rc8 34.Qe3+- ]

30...Rxc6 31.Rxc6 bxc6 32.Rxc6
[>=32.Nc5 ]

32...Qxb4 33.Kg2?
[33.Rxa6 Rxa5 34.Rxa5 Qxa5=/+ ]

33...Rxa5 34.Qc2 Ba7?
[34...Kg7-+ ]

35.Rc7 Qd4 36.Rxa7 Qxa7 37.Qc8+ Kg7 38.Qc3+
Diagram



38...e5?
[38...f6 39.Qxf6+ (39.Qxa5 Qb7=/+ ) 39...Kh6 40.g4 Ra2+ (or 40...Qa8 41.Qxe6 ) 41.Kh3 Ra3+ 42.Ng3 Rxg3+[] 43.Kxg3 Qe3+ with a draw.]

39.Qxa5 exf4 40.Qe5+ Kg8??(+)
[40...Kf8+/- ]

41.Nf6+ Kg7 42.Nd7+ Kh6 43.Qg5+ Kg7 44.Qe5+ Kh6 45.Qxf4+ Kg7 46.Qd6?
[46.Qf6+ Kh6 47.Qxf7 ]

46...Qa8+ 47.Kh2?
[47.Kg1 Qa7+ 48.Kf1+- ]

47...Qc8?
[47...Qd8+/- ]

48.Qf6+?
[48.Qd4+ Kg8 49.Nf6+ Kf8 50.Nxh7++- ]

48...Kg8 49.Qd4 Qc2+ 50.Kh3 Qf5+ 51.Kg2 Qc2+ 52.Kf3 Qf5+ 53.Ke3 Qe6+ 54.Ne5
[>=54.Kd2+/- ]

54...Qb3+
[>=54...a5+/= ]

55.Kf4 Qb8 56.Qc4 Qe8?
[56...Qb7+/- ]

57.Qxa6 Kg7 58.g4 h6 59.g5??
[59.Qd6+- ]

59...hxg5+ 60.hxg5 Qe7 61.Qb6 f6
and Chieu's flag fell as he was playing...

62.gxf6+
White time-forfeits 0-1