Complex sentence: He won eleven out of the total of thirteen competitions he participated, including defeating Kurt Browning in the World Professional Championships, winning the Grand Prix Final, and winning his second consecutive European title over both Plushenko and the former Olympic champion Alexei Urmanov.
Split into simpler sentences: He won eleven out of the thirteen competitions in which he participated, which included the defeat of Kurt Browning in the World Professional Championships, and winning the Grand Prix Final. He claimed his second consecutive European title over both Plushenko and former Olympic champion Alexei Urmanov.