United's Owen Scogings should have opened the scoring in the 5th minute but took too long in front of an open goal, while at the other end the defense were all at sea giving Old Boys' Steve Joannou a simple tap in at the far post on 14 minutes.
Scogings saw his shot tipped over for a corner by the outstanding Ben White before Tom McBride's rash challenge gave away a penalty. Andrew Joannou sending the keeper the wrong way, giving Chichester a two goal advantage at the break.
Chichester made wholesale changes at half time and United's reserves took full advantage scoring four goals in the opening ten minutes of the restart!
A dubious penalty was awarded and Lincoln Batchelor scored from the spot. Scogings then thumped home two more in quick succession. Batchelor was first to the ball as White advanced and toe poked the ball home for the fourth in a remarkable turnaround.
On the hour Brandon Down scored a free kick from the D with a fierce right foot shot into the bottom right corner 5-2.
On 76 minutes Chichester Old Boys' Andrew Joannou scored his second penalty, this time shooting to his right after a hand ball decision.
With eight minutes remaining White failed to clear a cross and Batchelor was at hand to tap in for his hat trick. Full time 6-3