Ruiz Castillo, Joshua Daniel (08.07.1997)

Colombian Chess Grandmaster (2019) is born in Bogota, Colombia. Colombian Chess Champion (2014). Best results: Colombian Chess Champion 2014;  FIDE World Cup 2017, 1st round;  Campeonato Centroamericano y del Caribe U20 Masculino 2012, tied 1st;  Campeonato Centroamericano y del Caribe Sub 20 Masculino 2013, 1st;  OP 11 Capo d’orso 2019, tied 2nd;  Campeonato Nacional de

Rozum, Ivan (09.12.1991)

Russian Chess Grandmaster (2014) is born in Vologda, Russia. Best results: 11th V. Nabokov Memorial – GM 2013, 1st; 2nd Gujarat Intenational Open Grandmasters Chess Tournament 2019, 1st; 1st Lakecity International Open Grandmaster Chess Tournament 2019, 1st; 11th Chennai Open International Grandmaster Chess Tournament 2019, tied 2nd; Peak rating: 2606 in May 2017

Saptarshi, Roy (21.03.1986)

Indian Chess Grandmaster (2017) is born in Kolkata, India. Best results: Third Saturday Djenovici MNE – GM 2017, 1st; XIV Obert Internacional Sant Marti Grup A 2012, tied 1st; XXXVII Open Int. Escacs Barbera del Valles A 2014, tied 3rd; Peak rating: 2500 in February 2018

Roy Chowdhury, Saptarshi (13.02.1982)

Indian Chess Grandmaster (2013) is born in Kolkata, India. Best results: 1st International Paleochora Open 2008, tied 1st; Six Seasons Grandmasters Chess Tournament 2010, 1st; XXXVIII Abierto Internacional Ciudad de Sevilla 2013, tied 2nd; Peak rating: 2500 in June 2013

Romero Holmes, Alfonso (28.05.1965)

Spanish Chess Grandmaster (1995) is born in Barcelona, Spain. Spanish Chess Champion (1987). Best results: European Junior Chess Championship 1984/85, silver medal; Spanish Chess Championship 1987, 1st; Albacete 1987, tied 1st; Salamanca (1990, 2005), tied 1st; Wijk aan Zee 1991 (tournament B), 1st; Valencia (2001, 2003), 1st; He represented Spanish National Team at the Chess

Rombaldoni, Axel (23.03.1992)

Italian Chess Grandmaster (2013) is born in Pesaro, Italy. Italy Chess Champion (2014). Best results: OP 5 Capo d’Orso 2013, tied 1st; FE 2 Mare di Fano 2013, tied 1st; 12th Kesarovski-Stanchev Memorial 2013, 1st; Sunny Beach 2013, 1st; Italy Chess Championship 2014, 1st. He represented Italy National Team at the Chess Olympiad (2016) and the European

Romanenko, Vladimir (06.04.1985)

Belarusian Chess Grandmaster (2011) is born in Belarus. Best results: Manhattan Open – Open Section 2011, tied 1st; The 75-th Championship of BLR 2009, 2nd; 1st Manhattan Classical Chess Championship 2019, tied 2nd; US Masters Championship 2012, tied 2nd; Peak rating: 2505 in July 2009

Roganovic, Milos (23.12.1991)

Serbian Chess Grandmaster (2017) is born in Vrbas, Serbia. Best results: X Memorial “Mirko Srajber” 2008, tied 1st; International Chess Tournament PEP 2017, 1st; He represented Serbia National Team at the Chess Olympiad (2018) and the European Team Chess Championship (2009). Peak rating: 2527 in September 2018

Robson, Ray (25.10.1994)

American Chess Grandmaster (2010) is born in Guam. Best results: Pan American Youth Chess Festival in 2005 and 2006, silver medals; Florida Championship 2008, tied 1st; Arctic Chess Challenge 2009, tied 1st; 23rd North American FIDE Invitational 2009, 1st; Campeonato Juvenil Panamericano Absoluto (sub 20) 2009, 1st; FIDE World Cup 2009, 1st round; FIDE World

Rios, Cristhian Camilo (09.04.1993)

Colombian Chess Grandmaster (2019) is born in Tulua, Colombia. Best results: XLII Open Int Escacs Barbera del Valles 2019, 2nd; Campeonato Panamericano Sub-20 Absoluto 2010, 1st; Semifinal 1 Selectivo Olimpiada Mundial de Baku 2016 Absoluto, 1st; He represented Colombia National Team at the Chess Olympiads (2010, 2012, 2014, 2016, 2018) Peak rating: 2530 in August