Complex sentence: The new car arrived in time for San Marino, but fortunes failed to improve as Caffi retired and an excellent 17th in qualifying at Monaco was ruined when he crashed all alone on the opening lap, the first blot on his career copybook.
Split into simpler sentences: The new car arrived in time for San Marino, but fortunes failed to improve as Caffi retired. An excellent 17th in qualifying at Monaco was ruined when he crashed all alone on the opening lap, the first blot on his career copybook.