Complex sentence: He won the Cuban Chess Championship 2002,2003 and 2006 and during the 2004 2004 FIDE World Chess Championship he reached the quarter finals, losing to Teimour Radjabov in the tie-break.
Split into simpler sentences: He won the Cuban Chess Championship in 2002,2003 and 2006. During the 2004 2004 FIDE World Chess Championship he reached the quarter finals, losing to Teimour Radjabov in the tie-break.