Complex sentence: As a consequence of his defeats at the battles of Stockach, Messkirch, Biberach, Iller River, and Höchstädt, Kray was driven into Ulm, but by a skilful march round Moreau's flank he succeeded in escaping to Bohemia.
Split into simpler sentences: As a consequence of his defeats at the battles of Stockach, Messkirch, Biberach, Iller River, and Höchstädt, Kray was driven into Ulm. However, by a skillful march round Moreau's flank he succeeded in escaping to Bohemia.