Carlsbad 1907 chess tournament
The Carlsbad 1907 chess tournament was one of four well-known international chess tournaments held in the spa city of Carlsbad ( Bohemia , then Austria-Hungary Empire ) . 
<triplet> Carlsbad 1907 chess tournament <subj> 1907 <obj> point in time <subj> chess <obj> sport <subj> Carlsbad <obj> location