Here is a position from the 1976 Olympiad in Haifa between GM Jan Timman (Holland) white, and IM Werner Hug (Switzerland) black. I remember Hug from 1971 when he was the surprise winner of the World Junior Championship held in Athens, and he became Switzerland’s best player until Korchnoi took out Swiss citizenship.

Anyway, in this position Timman clearly has the more solid position and Hug’s pawns are a bit of a mess. Hug now had to decide between 1…Rfe8 to put pressure on white’s “e” pawn; 1…g4 to move the pawn away from a potential discovered attack from white’s queen; and 1…Qc5 with the idea of Qe5+ which would be a nice outpost for the queen. Unfortunately he chose the wrong move and lost.

Today’s puzzle is which move did Hug choose and what was white’s winning reply?

Timman v Hug 1976 - Black to play and lose!