Another Belletti corner is cleared by Franck Queudrue - time almost up now

Injury time beckoning and Chelsea appear to have just done enough

Five minutes left and Chelsea are closing in on a hard-fought three points here

Anelka strikes at goal again but Maik Taylor saves well

Blues have responded well to the goal and claim two quick corners - but Chelsea survive

That header from Pizarro may have won it for Chelsea but it's harsh on Birmingham

McFadden almost makes the dream start to his Blues career when, from a quick corner, he forces Cech into a good save with his feet

All to play for still in the final 20 minutes, Birmingham have been the better side overall but the visitors have improved in recent minutes

Better from Chelsea finally as Joe Cole's corner is cleared

A lovely one-two between Anelka and Malouda ends with Anelka's effort being blocked but that was Chelsea's best chance so far

Half a chance for Anelka but Birmingham defend well again and clear

McLeish's side are on top but need a goal as Chelsea continue to look very lacklustre

Kapo's pull back is aimed for Larsson but Cech just diverts it away from his path and the ball hits Larsson and goes wide but a great chance for Blues

Still defences on top at St Andrews but the game should open up in the last half an hour

Anelka has been kept fairly quiet so far but he manages to get a shot in - but it's wide

Alex McLeish will be pleased with the way his side have began the second period - Chelsea, however, will be looking to improve

Malouda fouls Ridgewell as Kapo fires another shot well over the bar for the home side

Muamba then blasts over the bar - Birmingham may rue these missed chances

Jerome's effort from a corner is cleared off the line by Alex this time - another great chance for the home side

That was a let-off for Chelsea and the closest either team has come to a goal in the first half so far

Cech mis-kicks from a backpass and Cameron Jerome almost puts Birmingham in front but the ball strikes the post

Chelsea attempt to force the issue again as Alex heads wide from close-range

The home fans have been noisy so far and will be pleased to take Chelsea into half time level - 10 minutes or so to the break

Damien Johnson's strike is blocked but the home side are playing on the break still

The visitors have shaded it so far without creating many chances

Carvalho gets in the way of an Olivier Kapo shot from the right at Birmingham manage to ease the pressure with a rare attack

Chelsea are looking the more dangerous going forward but the home side are defending well

Ballack's well-delivered free kick is cleared by Liam Ridgewell as Chelsea turn up the heat

Anelka gets his first chance of the game but his shot is blocked - the game has livened up now

Sebastian Larsson's cross is met by the head of Olivier Kapo, but it's fairly comfortable for Petr Cech

Birmingham win a corner and O'Connor rises but his header is over

After an initial nervous start, City are having more possession now

Ballack fires a free-kick from distance straight into the arms of Maik Taylor

Still no real chances to report in what has been a tentative start at St Andrews

Fabrice Muamba brings down Michael Ballack for a Chelsea free-kick

Birmingham advance and Garry O'Connor tries his luck but his effort is blocked by Ricardo Carvalho

Shaun Wright-Phillips has picked up a knock and needs treatment

No early chances but Birmingham are looking a little nervous at the moment

The away side have done most of the early attacking at St Andrews

Chelsea win an early corner but it comes to nothing in the end