Complex sentence: Pulev, who is nicknamed "The Cobra", beat Cuban 201 lbs world champion Odlanier Solís in the process, one month later, however, he lost the rematch to the Cuban at the Semifinal of the "Chemiepokal cup".
Split into simpler sentences: Pulev, who is nicknamed "The Cobra", beat Cuban 201 lbs world champion Odlanier Solís in the process. One month later, he lost a rematch to the Cuban at the Semifinal of the "Chemiepokal cup".