Chief minister Nitish Kumar was on Monday annoyed at computers playing chess.

"I have come to know that computers also play chess," Nitish said on the concluding day of Khadi India 47th national junior chess championship for boys and 32rd national junior chess championship for girls at the Patliputra Sports complex in Kankerbagh. "It is a dangerous trend. I fail to understand how computers have entered a human mind game (chess)."

Nitish said he was not an expert - he has never played chess - but allowing computers to play it was dangerous. "Computer is machine having memory much higher than humans. How will humans defeat a computer in chess?"

In 1949, Claude Shannon (1916-2001) described how to programme a computer. A year ago, Alan Turing wrote the first computer chess programme. Various computer progammes on chess have been made since.

In February 1996, Deep Blue - a chess-playing computer developed by IBM - won its first game against a world champion, defeating Garry Kasparov in a six-game match. It is known for being the first computer chess-playing system to win both a chess game and a chess match against a reigning world champion.

Tournament convener Navin Upadhaya said: "I agree with what Nitsh has said. With computers playing chess, human creativity and his thinking power to play the game are affected."

On the concluding day of the nine-day chess tournament, Harsha from Telangana was declared champion in the boys' category. In the girls' category Mahalaxmi M from Tamil Nadu was declared winner. "I have been playing the chess since I was six or seven. I played for 6-7 hours daily," Harsha told The Telegraph.