Coventry Storm came back to win at Rye House.
The Storm went down to a 4-2 loss in the first heat but after a 3-3, Richings won for Coventry in a 4-2.
Another 3-3 was followed by a 3-2 to Rye House with only Hughes and Crang finishing.
Two more 3-3's and a 4-2 to the home side saw the Storm 25-22 down after eight heats.
Greenwood won heat nine in a 4-2 but Rye House came back with a 5-1 and a 4-2 to see the Storm down by seven with three heats to go.
Richings won heat twelve and Dan Greenwood, who had a fifteen point maximum won the next heat, both were 4-2's.
Rob Shuttleworth won for the Storm in a 5-1 and a 3-3 in the final heat was enough to give the Storm a 45-44 win at Hoddesdon Stadium.
RYE HOUSE 44: Rob Branford 14+1, Kyle Hughes 11+1, Luke Chessell 11+1, Danyon Hume 4 Alfie Bowtell 2+1, Sam Woods 2, Luke Priest R/R.
COVENTRY 45: Dan Greenwood 15, Darryl Ritchings 8, Luke Crang 7, Rob Shuttleworth 6+1, Conor Dwyer 6+1, Callum Walker 3+1, Martin Knuckey 0.