<prompt> Bhala okuqhubekayo kwalesi sigaba - Njengomdlali we-chess, wabamba iqhaza ku-16, 17, 18, 19  <response>: , 20th and 21st Chess Olympiad Ithimba Likazwelonke LaseTurkey. Wabamba iqhaza kuTurkey Chess Championship izikhathi eziyi-14 futhi waba yiChampion ngo-1966. 