Endgame riddle solved: Najdorf could have drawn against Tal in Bled 1961

On 3 April Karsten Müller invited ChessBase readers to analyse the bishop vs knight endgame from Tal vs Najdorf, Bled 1961. The endgame was tricky – Tal won the game but a close look revealed that Najdorf missed a couple of chances to save the draw and that both sides made mistakes.