India, Sept. 18 -- The T20 game is unpredictable. But the 13th edition of the Indian Premier League (IPL), which begins on September 19, promises to be particularly unpredictable. Consider the unknowns. All IPL teams were assembled keeping home conditions in mind; for example, Kolkata Knight Riders is packed with fast bowlers and big- hitting batsmen who like taking on pace and bounce because of the nature of the Eden Gardens pitch. How will they cope with the low and slow pitches of the United Arab Emirates (UAE)? Data says that T20 scoring rates in Abu Dhabi and Dubai, two of the three venues for this season (the third is Sharjah), have lower scoring rates than any of the Indian venues, except Chennai....