Complex sentence: He qualified through the Sousse Interzonal 1967, with 14/22 for a tied third/fifth place; the winner was Bent Larsen, then he lost his first-round Candidates' match to Larsen at Porec 1968, by 4.5-5.5.
Split into simpler sentences: He qualified through the Sousse Interzonal 1967, with 14/22 for a tied third/fifth place; the winner was Bent Larsen. But he lost his first-round Candidates' match to Bent Larsen at Porec 1968, by 4.5-5.5.