Keres had a series of successes in 1937. He won in Tallinn with 7½/9 (+6−0=3), then shared 1st–2nd at Margate with Reuben Fine at 7½/9 (+6−0=3), 1½ points ahead of Alekhine. In Ostend, he tied 1st–3rd places with Fine and Henry Grob at 6/9 (+5−2=2). Keres dominated in Prague to claim first with 10/11 (+9−0=2). He then won a theme tournament in Vienna with 4½/6 (+4−1=1); the tournament saw all games commence with the moves 1.d4 Nf6 2.Nf3 Ne4, known as the Döry Defence. He tied for 4–5th places at Kemeri with 11½/17 (+8−2=7), as Salo Flohr, Vladimirs Petrovs and Samuel Reshevsky won. Then he tied 2nd–4th in Pärnu with 4½/7 (+3−1=3).