Robert James Fischer vs Paul Keres
Curacao Candidates Willemstad CUW round 7 1962.05.12
Ruy Lopez: Closed, Borisenko Variation 1-0

Robert James Fischer vs Tibor Weinberger
North Central Open Milwaukee, WI USA round 4 1957.11.30
Sicilian Defense: Dragon Variation, Yugoslav Attack 1-0

Robert Kreisl vs Boris Grachev
12th European Individual Championship Aix-les-Bains FRA round 1 2011.03.22
Catalan Opening: Open Defense 0-1

Robert Kuczynski vs Ralf Appel
Bundesliga 1996/97 Germany 1996.10.12
Alekhine Defense 1-0

Roberto Cifuentes Parada vs Iossif Davidovich Dorfman
Rubinstein Memorial 29th Polanica-Zdroj POL round 8 1992.08.??
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1/2-1/2

Roberto Luiz Costa Andrade vs Maximo Iack Macedo
American Continental Praia da Pipa BRA round 7.24 2014.10.22
Sicilian Defense: Kan Variation, Knight Variation 1-0

Roberto Mogranzini vs Daniele Vocaturo
15th Padova Open Padova ITA round 9.2 2012.12.23
English Opening: Drill Variation 1-0

Robin Reichardt vs Mark Gluhovsky
36th ECC Open 2021 Struga MKD round 1.18 2021.09.18
King’s Indian Defense: Orthodox Variation 1-0

Rogello Sotela vs Arturo Mayroga
Costa Rica-ch San Jose CRC 1945.??.??
Queen’s Gambit Declined: Orthodox Defense, Capablanca Variation 1-0

Roger Meng vs Jan van Overdam
Groningen Chess Festival Groningen NED round 5.23 2011.12.26
Queen’s Pawn Game: Veresov Attack, Boyce Defense 1/2-1/2