He now has only one point from two draws. Moldovan Viktor Bologan leads the table with a fantastic score of 3.5 points.
The Indian Grandmaster was relegated to third after a three-way for first place.
GM Krishnan Sasikiran scored a much-awaited victory against GM Tomasz Markowski of Poland in the fourth round.
He conceded an easy half point to GM Arkadi Naiditsch of Germany in the penultimate round.
The Indian Grandmaster lost to Viktor Bologan in the third round of the Dortmund tournament.
Bologan held Braingames champion Vladimir Kramnik of Russia to a draw for his maiden title in a Super Category event.
The 16-year-old GM from Azerbaijan is the first player to beat both Kasparov and Anand with black pieces in the same year.