Rajasthan Royals (RR) beat Chennai Super Kings (CSK) by 16 runs in the fourth match of the Indian Premier League (IPL) 2020 game on Tuesday riding on brilliant performances from Sanju Samson (74 off 32 balls), Steve Smith (69 off 47 balls), Rahul Tewatia (3/37) and Jofra Archer (27 off 8 balls, 1/26).