Complex sentence: In October 1943, Hartmann claimed another 33 aerial victories, and, on 29 October, he was awarded the "Ritterkreuz", at which point his tally stood at 148.
Split into simpler sentences: In October 1943, Hartmann claimed another 33 aerial victories. On 29 October, he was awarded the "Ritterkreuz", at which point his tally stood at 148.