Chris Zebroski was Wycombe's match-winner at Darlington with a last-minute goal earning a vital 2-1 win for the League Two promotion candidates.
The Blues prevailed thanks to John Akinde's 39th-minute opener and despite an equaliser from Jason Kennedy, are back up to second - only four points behind Brentford.
Spoils were shared between Chesterfield and Lincoln at Saltergate, where a 1-1 draw keeps the Spireites still in with an outside play-off chance. They were in front through Jack Lester (35) but had no answer to Adrian Patulea's 52nd-minute leveller.
There were no goals for either the hosts or Aldershot at Port Vale. But Barnet made ground towards mid-table with a 2-0 win at home to Rotherham, on the back of two second-half goals from veteran forward Paul Furlong.
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