Hartlepool boss Craig Hignett said his side's game plan "worked to a tee" as they recorded a 3-0 victory over Grimsby at Blundell Park.
Padraig Amond returned to haunt his former club by plundering a first-half brace to set Pools well on their way, with Nathan Thomas adding a sublime third just short of the hour mark.
Hignett said: "If I'm honest, I was a little bit annoyed at half-time.
"We were 2-0 up but I didn't think we played or passed the ball anywhere near as well as we could have done.
"We were a little bit slow at times and I told them at half-time that, without playing great, they'd been really clinical. I thought we looked really dangerous going forward.
"We gave ourselves a great platform to go on and do something in the game, but I wanted them to keep the intensity, I wanted them to keep the attitude, I didn't want them to knock-off and think we'd done it, and they didn't.
"Second half I thought they were excellent, we could have scored more. We came here, stuck to a game plan and it worked to a tee."
Grimsby boss Paul Hurst said: "There's an obvious disappointment because we've lost 3-0 in a game at home. I have to say that I didn't think it was a 3-0 game, but at the same time I do think we came up against a good side.
"Once they got 3-0 ahead, then it became difficult - it became hard to keep that motivation and that willingness to do everything correctly.
"I have to say, I think we played better today than we have done in our previous three games, far better, but goals change games and theirs did that, certainly the first two.
"Then when we're trying to get back in the game their keeper made two absolutely outstanding saves to thwart us. If we get that goal it might have made them a bit nervous."
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