Yoshiharu Habu, famous Shogi player & Chess FIDE Master. Basel was honoured to see him play in 2016. Photo: Wikipedia
In 1986, the city of Basel organised a training match between the reigning World Chess Champion Garry Kasparov and Anthony Miles, the first English born otb Grandmaster.
Great Gazza, the monster
with thousand eyes (famous quote from Miles on Kasparov), won by 5.5 to 0.5.
Original media coverage, reprinted by Edward Winter: www.chesshistory.com/winter/extra/kasparovmiles.html
Later, in 1999, an annual open tournament series started in Basel (since 2016 held in Riehen, a municipality near Basel):
Korchnoi, Ivkov, Andersson, Hort, Jussupow, Suetin, Tukmakov, Bologan, Bacrot, Naiditsch, Milov, Vachier-Lagrave,
Wojtaszek, Rapport, Solak, Safarli, or Habu all played at Basel.
Record tournament winner is Andrei Sokolov, today rather forgotten, in his heydays he was a Top-Five ranked player in the world.