SOUTHAMPTON, June 7 -- Around his bony arms, Yuzvendra Chahal wears those elbow-skins that only men with terrific triceps do. It looks odd, for Chahal does not have protruding muscles. But he does have a wonderful wrist that deserves to be protected in cotton wool, or whatever material elbow-skins are made of. He also has a bowling brain that thinks in chess terms.

On the day of India's opening game of the World Cup, Chahal's brain coached Chahal's wrist to bend, fold, flip and turn the ball in mesmeric ways. The South Africans didn't stand a chance. Chahal dismissed Rassie van der Dussen, Faf du Plessis, David Miller and Andile Phehlukwayo, in that order. Apart from Phehlukwayo, who was beaten by the turn and stumped by MS Dhoni, everyone...