Xie Jun vs Lajos Portisch
Women-Veterans Prague CZE round 8 1995.07.??
Sicilian Defense: Taimanov Variation 0-1

Yacov Estrin vs Bonch Osmolovsky, Mikhail
25th Ch Moscow Moscow (URS) 1946.??.??
Caro-Kann Defense: Classical Variation 0-1

Yakov S Vilner vs Iosif Lvovich Yanushpolsky
2nd Ch Ukraine Kharkov (URS) 1925.??.??
Sicilian Defense: Classical Variation 1-0

Yakov S Vilner vs M Marsky
Metalworkers Trade Union ch Leningrad URS 1931.??.??
Queen’s Pawn Game: Veresov Attack, Boyce Defense 0-1

Yannick Pelletier vs Carlos S Matamoros Franco
Chess Olympiad Istanbul TUR round 9.28 2012.09.06
Nimzo-Larsen Attack: Classical Variation 1-0

Yaroslav Zherebukh vs Alexei Shirov
FIDE World Cup 2021 Krasnaya Polyana (Sochi) RUS round 2.5 2021.07.17
Nimzo-Larsen Attack: Classical Variation 0-1

Yasser Seirawan vs Comet (Computer)
The Hague AEGON The Hague NED round 2 1996.04.11
Benoni Defense: Taimanov Variation 1-0

Yelena Dembo vs Dmitrij Driamin
First Saturday IM section Budapest, Hungary 2000.02.10
French Defense: Tarrasch Variation, Botvinnik Variation 1-0

Yge Visser vs Michael Adams
Staunton Memorial Crowthorne ENG round 3 2006.08.16
Ruy Lopez: Closed, Closed Defense 0-1

Yifan Hou vs Carla Heredia Serrano
Women’s World Championship Knockout Tournament Antakya TUR round 1.1 2010.12.04
Caro-Kann Defense: Classical Variation 1-0