Complex sentence: Despite problems with alcoholism, Murphy placed 15th in the 2005 World Blitz Chess Championship, and in 1998 he won the Arlington Chess Club's annual championship, winning over two International Masters in the process.
Split into simpler sentences: Despite problems with alcoholism, Murphy placed 15th in the 2005 World Blitz Chess Championship. In 1998 he won the Arlington Chess Club's annual championship, beating two International Masters in the process.