Sharma was not even in the world’s top 50,000 last year ? but nine months later was rated above the level of an International Master.
Meanwhile, Singh rose from total obscurity to win the All-India National Championship.
Further scrutiny found that both men’s moves matched those of two computer chess “engines”, Deep Junior and Hiarcs 10.
Then last month the Bluetooth earpiece in Sharma’s hat set off a metal detector at a tournament in a Delhi airforce base.
Cops also held a man behaving suspiciously at a tournament where Singh was playing.
He turned out to be Sharma’s brother ? who was staying at Singh’s hotel.
Chess author Praful Zaveri said: “Most players there thought Singh had help.”
Advice to chess players play with your own brain computer machine or be damned.