Salomon Flohr vs Ratmir Kholmov
USSR Championship Moscow URS round 17 1949.11.15
Queen’s Gambit Declined: Albin Countergambit 1/2-1/2

Salomon Flohr vs Reuben Fine
Warsaw Olympiad Warsaw POL round 1.1 1935.08.16
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack 1/2-1/2

Sam Shankland vs Sergey Karjakin
FIDE World Cup 2021 Krasnaya Polyana (Sochi) RUS round 6.6 2021.07.30
English Opening: Anglo-Indian Defense 0-1

Samuel Reshevsky vs Svetozar Gligoric
USA - Yugoslavia Radio Match New York, NY, USA - Belgrade YUG round 1 1950.02.11
Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense 1/2-1/2

Samuel Standidge Boden vs John Owen
Match London ENG 1858.??.??
Barnes Defense 1-0

Sander Kukk vs Hrant Melkumyan
Pro Chess League chess.com INT round 8 2018.02.28
Nimzo-Larsen Attack 1/2-1/2

Sandoval Mercado, Carlos vs Eddy Tian
CCCSA Memorial Day IM Charlotte, NC USA round 3.2 2021.05.28
King’s Indian Defense: Fianchetto Variation, Panno Variation 1-0

Sankalp Gupta vs Eduardo Patricio Iturrizaga Bonelli
Biel Master Open Biel SUI round 4.13 2019.07.25
Caro-Kann Defense 0-1

Santiago Velasco vs Andrei Maznitsin
37th Chess Olympiad Turin ITA round 9 2006.05.30
Caro-Kann Defense: Classical Variation 1-0

Sarah Hoolt vs Gergely Antal
Tradewise Gibraltar La Caleta GIB round 7.44 2018.01.29
Sicilian Defense: Taimanov Variation, Bastrikov Variation 0-1