Chess wizard Viswanathan Anand's mother Sushila Viswanathan passed away in her sleep today. She was 79. She leaves behind her husband K Viswanathan, daughter and two sons of whom Anand is the youngest. P.R.Venkatarama Raja, President All India Chess Federation, expressed his condolences on the demise of Sushila Viswanathan, lauding her dedicated efforts in making Anand a Champion chess player. Sushila taught Anand the basic moves of the game and accompanied him to various events.