Normunds Miezis vs Elena Sedina
29th Cappelle-la-Grande Cappelle la Grande FRA round 1.24 2013.02.23
Caro-Kann Defense 1-0

Odion Aikhoje vs Anupama Gokhale
BCF-ch Scarborough ENG round 5.32 1999.08.06
Ruy Lopez: Berlin Defense, Berlin Wall 0-1

Ofir Aharon vs Nikolai Kabanov
13th European Individual Championship Plovdiv BUL round 2.119 2012.03.21
Modern Defense 1-0

Ognjen Cvitan vs Ivica Armanda
Nova Gorica Open Nova Gorica SLO round 2 1999.01.29
King’s Indian Defense: Fianchetto Variation, Delayed Fianchetto 1-0

Oladapo Oluto Adu vs Blas Lugo
32nd World Open Philadelphia, PA USA round 2 2004.07.02
Ruy Lopez: Morphy Defense, Anderssen Variation 1-0

Olafur Kristjansson vs Bruce M Amos
Reykjavik Reykjavik ISL round 14 1970.02.01
Benoni Defense 0-1

Olamide Patrick Ajibowo vs Edward Nii Lamptey Thompson
Chess Olympiad Khanty-Mansiysk RUS round 4 2010.09.24
Ruy Lopez: Berlin Defense 1-0

Oldrich Duras vs Aron Nimzowitsch
San Sebastian San Sebastian ESP round 4 1911.02.24
Ruy Lopez: Closed, Averbakh Variation 1/2-1/2

Oldrich Duras vs Milan Vidmar
QGD Tarrasch thematc tournament Budapest AUH round 1 1912.06.14
Queen’s Gambit Declined: Tarrasch Defense, Stoltz Variation 0-1

Oldrich Duras vs Raskovsky
Czech Chess Congress Blansko AUH 1902.08.18
Ruy Lopez: Berlin Defense, Berlin Wall 1-0