[6] On November 8, 2008 Domínguez Pérez won the World Blitz Championship, held at Almaty in Kazakhstan, scoring 11½ points out of 15, ahead of Vassily Ivanchuk, Peter Svidler, Alexander Grischuk and many other top grandmasters.

[7] In June 2013 he won the FIDE Grand Prix event in Thessaloniki as a clear first in a field of twelve elite players, among them Fabiano Caruana, Veselin Topalov and Alexander Grischuk.

[8] In 2016, Domínguez Pérez shared 2nd−4th places at the Dortmund Sparkassen Chess Meeting with Vladimir Kramnik and Fabiano Caruana.

[9] Later in the same year, he won the individual silver medal playing board one for the Cuban team in the 42nd Chess Olympiad in Baku.

[10] He was a second for Fabiano Caruana in the 2018 World Chess Championship[11] In December 2018, Domínguez Pérez transferred federations to represent the United States.