Complex sentence: Another 15 successive draws followed, through game 46; the previous record length for a world title match had been 34 games, the match of José Capablanca vs. Alexander Alekhine in 1927.
Split into simpler sentences: Another 15 successive draws followed, through game 46. The previous record length for a world title match had been 34 games, the match of José Capablanca vs. Alexander Alekhine in 1927.