Nestlé Rowntree RUFC stormed into an early 21-5 lead against an experienced Selby fourth XV aided by strong running from Chris Todd, Kemp and Hammick.
Todd, Dave Knock and Mike Palfrey scored tries, all three converted by Tom Atkinson.
But further missed opportunities cost Trees dear as they ended up losing 26-24, with only an Atkinson penalty to show.
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