Original sentence: After this battle an officer of reputation Theophanes from Fergana disgusted with the severity and blunders of Theoktistos deserted to the Abbasids and embraced Islam.At a subsequent period however he again returned to the Byzantine service and the Christian religion.His incapacity brought on a general engagement in which the imperial army was completely defeated at a place called Mauropotamos near the range of Mount Taurus in 844; a six-year truce was agreed soon after.The Caliph Al-Wathiq had expected by means of this great naval force to secure the command of the Archipelago and assist the operations of his armies in Asia Minor.The hostilities on the Cilician frontier were prosecuted without any decided advantage to either party until the unlucky Theoktistos placed himself at the head of the Byzantine troops.The war with the Abbasid Caliph Al-Wathiq of Baghdad still continued and the destruction of an Abbasid fleet consisting of 400 galleys by a tempest off Cape Chelidonia in the Cyprus theme consoled the Byzantine government for its other losses
Edited sentence: A six-year truce was concluded shortly after.The Byzantine regent, Theoktistos, resolved to end the impasse, but the battle resulted in a clear Abbasid victory.The battle followed a period of inconclusive warfare along the Cilician marches and the loss of an entire Arab fleet off Cyprus.The battle of Mauropotamos was a battle fought in 844 between the armies of the Byzantine Empire and the Abbasid Caliphate at Mauropotamos in south-eastern Cappadocia