Alexey Sokolsky
Alexey Pavlovich Sokolsky (3 November 1908 – 27 December 1969) was a Ukrainian-Belarusian chess player of International Master strength in chess, a noted correspondence chess player, and an opening theoretician.
Eero Böök
Eero Einar Böök (9 February 1910 – 7 January 1990) was a Finnish chess player and engineer.
Sieghart Dittmann
Sieghart Dittmann( born 3 July 1934) is a German chess player and epidemiologist.
Nikolay Noritsyn
Nikolay Noritsyn is a Canadian chess player and coach.
He holds the title of International Master.
Isaac Boleslavsky
Isaac Yefremovich Boleslavsky (June 9, 1919 – February 15, 1977) was a Soviet chess player and writer.
Fenil Shah
Fenil Shah( Born 20 April 1995) is an Indian chess player, who holds the Fide Title of International Master( IM).
He was the youngest rated chess player in 2002 and also the youngest chess player to represent Indian Team.
John Purdy (chess player)
John Purdy( 25 September 193527 August 2011) was an Australian chess player and Family Court judge.
Dmitry Kokarev (chess player)
Dmitry Kokarev( born 18 February 1982 in Penza) is a Russian chess Grandmaster( 2007).
Alejandro Maccioni Seisdedos
Alejandro Maccioni Seisdedos( 21 February 1919 — 5 May 2014) was a Chilean chess player and pediatrician.
Eden Sonsona
Eden Sonsona( born December 27, 1988), is a Filipino professional boxer.
He is the cousin of fellow boxer Marvin Sonsona.
Sonsona began his professional career on December 30, 2005, with a unanimous decision win over Brian Vicera.
He won the vacant Philippines Games& Amusement Board( GAB) bantamweight title on December 12, 2009, knocking out Monico Laurente in the first round.

Question: Did Dmitry Kokarev (Chess Player) and Eden Sonsona share the same nationality?
Answer: no