Nuneaton Town's slim Conference Premier play-off hopes were all but ended after defeat at Wrexham.
Kidderminster remain in the Conference Premier play-off frame with a win at relegated Hyde.
Nuneaton Town have released five players following their failure to reach the Conference Premier play-offs.
Michael Gash scored the only goal as Kidderminster beat fellow Conference Premier play-off hopefuls Barnet.
The win keeps Gateshead in the final Conference Premier play-off place.
Grimsby moved into the Conference Premier play-off places with a win against Nuneaton.
Scott Boden's late penalty earned Macclesfield a draw with Conference Premier play-off chasing Grimsby.
Grimsby consolidated their Conference Premier play-off place with victory over relegation-threatened Chester.
Luton's Blue Square Bet Premier play-off hopes took another hit with defeat at Braintree.
Gateshead and Halifax remain outside the Conference Premier play-off places after they shared the spoils.
FC Halifax kept alive their Conference Premier play-off hopes by seeing off relegation-threatened Tamworth.
