Which surname?

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Julyeahh

Dec 20, 2024

I need the surname of a chess player who never played a World Championship match but was a second in a World Championship match and it was later decided that this player would play a World Championship match against the world champion for whom he had been a second. That did not happen. it was a player who lived a dramatic life in several ways and played for several countries in the Chess Olympics and in his time a very strong player. The surname has nine letters. Top player who was a second in a World Championship match but never got to play a World Championship match himself.

So, nine letter surname, who could it be? :)