Jan Sefc vs Frantisek Zita
CSR-ch Bratislava CSR round 7 1948.08.22
Caro-Kann Defense: Two Knights Attack, Mindeno Variation 0-1

Jan Smeets vs Ljubomir Ljubojevic
Youth - Experience Amsterdam NED round 3 2006.08.21
Ruy Lopez: Closed 1-0

Jan Smeets vs Nicholas A Frost
Glorney and Faber Cup Dublin IRL round 1 2000.07.24
French Defense: Advance Variation 1-0

Jan Smeets vs Vladimir Kramnik
Tata Steel Group A Wijk aan Zee NED round 10 2011.01.26
Ruy Lopez: Berlin Defense, Berlin Wall 1/2-1/2

Jan Smejkal vs Dusan Rajkovic
Kostic Memorial Vrsac YUG round 2 1983.09.??
Old Indian Defense: Dus-Khotimirsky Variation 1/2-1/2

Jan Smejkal vs Jonathan Speelman
Bundesliga 1998/99 GER round 12 1999.??.??
Dutch Defense: Krause Variation 1-0

Jan Timman vs Judit Polgar
Hoogovens Group A Wijk aan Zee NED round 3 1998.01.18
Sicilian Defense: Taimanov Variation, Bastrikov Variation 1/2-1/2

Jan Timman vs Nigel Short
2nd Euwe Memorial Amsterdam NED round 5 1988.03.15
Queen’s Gambit Declined: Exchange Variation 0-1

Jan Timman vs P Dijkhuis
NED-chT NED 1965.??.??
Benoni Defense 1-0

Jan Timman vs Valeri S Korensky
Chigorin Memorial 9th Sochi URS round 2 1973.09.??
Réti Opening: Anglo-Slav Variation, Bled Variation 1-0