Original sentence: In 1927 at 1st Olympiad in London (+7 –4 =4);.In 1928 at 2nd Olympiad in The Hague (+9 –5 =2)
Edited sentence: In 1927 at 1st Chess Olympiad in London (+7 –4 =4);.In 1928 at 2nd Chess Olympiad in The Hague (+9 –5 =2)