After 46. Rxa5 Rxb2 (if 46...Nxa5, 47. Ra2) 47. Rxa4.
In addition to David (1½/2), three other Suffolk players are amongst the 67 entrants in the Open: Alan Merry, who has won both games, Ed Player (1/2) and Alex Sheerin (also 1/2). Alex had a good win this afternoon against an opponent rated 1927 (279 points higher than Alex).
More news on this four-day seven-round tournament when it has finished on Easter Monday.