At the highest level the lowest was probably ₤5 for Morphy for his match against Harrwitz and Anderssen both in 1858 and $5,000,000 sponsored by FIDE President Kirsan Ilyumzhinov for the World Championship Tournament organised in 1997.
ECHESSPEDIA
Quotes of the Day
I thank the Lord for not pairing me with Black against Magnus Carlsen in the first round.
Nigel Short 2017
When I see the Berlin defence, I am almost happy that I am not longer a top player!
Nigel Short 2016
Vugar Gashimov deserves to be immortalized!
Mahir Mamedov 2014
In chess,honestly,nobody cares how beautiful you play,if Morphy would be 2710 today,he would not get a single invitation.
Teymur Rajabov 2017
Whatever opinions people might have about Ilyumzhinov, I am sure that exactly those accusations by the US authorities are far-fetched. It looks more like a revenge for the 2014 FIDE elections which Kasparov lost to Ilyumzhinov by a wide margin.
Vladimir Kramnik 2016