Wolfgang Unzicker vs Kristian Skold
Dubrovnik olm Dubrovnik YUG round 2 1950.08.21
King’s Indian Defense 1-0

Wolfgang Unzicker vs Mikhail Botvinnik
Amsterdam ol (Men) fin-A Amsterdam NED round 9.1 1954.09.22
French Defense: Winawer Variation, Advance Variation 1/2-1/2

Wolfgang Unzicker vs Tigran Vartanovich Petrosian
EUR-chT (Men) 3rd Hamburg FRG round 6 1965.06.11
French Defense: Winawer Variation, Advance Variation 1/2-1/2

Xander Wemmers vs Vidal Rodriguez
Tradewise Gibraltar La Caleta GIB round 6.73 2015.02.01
Nimzo-Indian Defense: Normal Variation, Bishop Attack, Classical Defense 1-0

Xiangyu Xu vs Megan Lee
Pro Chess League chess.com INT round 9 2018.03.07
Slav Defense 1-0

Xin Nie vs Mukherjee Arpita
World Junior Championship (Girls) Tarvisio ITA round 10.17 2017.11.24
King’s Indian Defense: Steiner Attack 1/2-1/2

Xu Jun vs Jozsef Pinter
World Team-ch 1st Lucerne SUI round 8 1985.11.24
Queen’s Gambit Declined: Hastings Variation 1-0

Yakup Erturan vs Vladimir Potkin
WJun Athens GRE round 9 2001.08.25
French Defense: Exchange Variation 0-1

Yang-Fan Zhou vs Simon Kim Williams
4NCL Hinkley ENG round 8.21 2012.04.01
Sicilian Defense: Alapin Variation, Sherzer Variation 1-0

Yannick Pelletier vs Bartlomiej Macieja
Petrosian Memorial Stepanakert AZE round 5 2004.03.13
English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation 0-1