You can hear a pin drop as these contests take place - we are at the British Chess Championships, held at the University of Warwick this month.
The sport, once thought to be the domain of intellectuals and "not cool" by most, has been getting a lot more interest in recent years - and attracting those from young to old.
Riyaan was three years old when he first moved a chess piece. Now, aged six, he is competing at a national chess tournament.
The Coventry schoolboy is the youngest competitor at this year's championships and is already Britain's highest-ranked player in his age group, ninth in the world for under sevens.
He was introduced to chess by his older sister three years ago, and within weeks was holding his own against his father, Robert.

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