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Kevin Bonham
11-12-2004, 10:45 AM
Game four of a pre-Mt Buller training series between Charles Chadwick (reigning Tasmanian Champion) and Kevin Bonham (2001-2 Tasmanian Champion). We both thought this was very interesting at the end and were surprised when no obvious win for Black could be found in the postmortem. Any suggestions for significant improvements especially towards the end very welcome. I've included some variations from a run through Fritz but haven't analysed the game exhaustively.

Chadwick-Bonham.



Chadwick - Bonham [D13]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nf6 5.Nf3 a6 6.Bf4 e6 7.e3 Bd6 8.Bxd6 Qxd6 9.Bd3 Nc6 10.0-0 Bd7 11.Na4 Nb4 12.Nc5 Nxd3 13.Nxd3 b6 14.Qb3 0-0 15.Rfc1 Rfc8 16.Nfe5 Bb5 17.h3 Ne4 18.Qd1 f6 19.Nf3 Qe7 20.Rc2 Rxc2 21.Qxc2 Bxd3 22.Qxd3 Qb4 23.Qc2 Qc4 24.Rc1 Rc8 25.Ne1 Nd6 26.b3 Qb5 27.Qd2 Rxc1 28.Qxc1 Qe2 29.Nf3 Ne4 30.Qc8+ Kf7 31.Qc7+ Kg6 32.Nh4+ Kh6 33.Qf4+ g5 [33...Kh5 34.Qf3+ (34.f3 Ng5 35.Kh2 Kh6 36.Nf5+ exf5 37.h4 g6 38.hxg5+ fxg5 39.Qe5 Qxa2 40.Qxd5 Black's a pawn up but White's strong passed pawn must make winning very difficult.) 34...Qxf3 35.Nxf3 Good black knight but probably drawn.] 34.Qb8 Qxf2+ [34...Qe1+ 35.Kh2 Qb4 36.Nf3 Qd6+ 37.Qxd6 Nxd6 Black has a better placed knight but should be drawn.;
34...Nxf2 35.Kh2 Nxh3 36.Kxh3 gxh4 (36...g4+ 37.Kg3 Qxe3+ 38.Nf3 gxf3 39.Qf8+=) 37.Qf8+=] 35.Kh2 Qe2 36.Qf8+ Kh5 37.Nf3 [37.Qf7+ Kxh4?? 38.Qxh7+ Qh5 39.Qxe4+!! g4 40.g3+ Kg5 41.h4+ Kh6 42.Qxe6 Qg6 43.Qxd5+- I calculated this variation OTB.] 37...Kg6 38.Qg8+ Kh6 39.Qf8+ Kg6 40.Qg8+ -

Garvinator
12-12-2004, 11:49 AM
what are the conditions for this match? Is it being played at a time control of 90/60?

Kevin Bonham
13-12-2004, 01:56 PM
We've negotiated the time control before each game based on how much time we have available. That one was a G90/+60.