Mark Howard Horton (born 22 February 1950) is a British bridge journalist, expert player and chess champion.
He penned a series of articles and booklets on Opening theory and American legend Bobby Fischer used one of his suggestions to win a game against Russian Mark Taimanov on his way to the World title.[3][when?]
It was in that same year that Mark was asked by Patrick Jourdain to work at the European Mixed Championships in Barcelona – the only snag was that it meant that he would not be allowed to play.
He has won events in numerous countries, including Australia, France, Germany, the Netherlands, Romania, the United States, Portugal, Egypt and Malta.
they won the Polish Team Championships in Sopot along with their regular Bulgarian teammates Vladi Isporski, Valentin Kovachev and Victor Aronov.