Completed the following sentence: In the 1930s Thorsten Gauffin was one of Finland's leading chess players. ️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk>
1937 Chess Olympiad over the reigning World Chess Champion Max Euwe and grandmaster Paul Keres.<unk>1937 Chess Olympiad over the reigning World Chess Champion Max Euwe and grandmaster Paul Keres.