Chess: Carlsen triumphs in St Louis while Kasparov criticises Kramnik
Puzzle: find White’s hidden win
Puzzle: find White’s hidden win

Puzzle: can you win brilliantly for White?

Puzzle: can you spot the win the world champion missed?

Puzzle: find world No 2 Hikaru Nakamura’s way to win

Puzzle: find Nakamura’s winning tactic

Puzzle: find White’s route to victory

Puzzle: find the US champion’s missed winning move