Nicolai Vesterbaek Pedersen vs Simon Kim Williams
Nordre Efteraar Aarhus round 3 1998.??.??
Dutch Defense: Classical Variation 0-1

Tomas Polak vs Simon Kim Williams Smith & Williamson YM 6th Witley round 9 1996.??.?? Australian Defense 1-0

Alexander Yevgenyevich Baburin vs Simon Kim Williams
Bunratty Chess Festival Bunratty IRL round 3 2006.02.18
Australian Defense 1-0

Daniele Vismara vs Simon Kim Williams
Wch U18 Menorca round 7 1996.10.??
French Defense: Advance Variation 0-1

Simon Kim Williams vs Willy Hendriks
Staunton Memorial London ENG round 2 2009.08.09
King’s Indian Defense: Four Pawns Attack 1-0

Simon T Ansell vs Simon Kim Williams
Smith & Williamson YM 6th Witley round 3 1996.??.??
French Defense: Advance Variation 1-0

Varugeese Koshy vs Simon Kim Williams
17th Lloyds Bank Masters Open London ENG round 1 1993.08.21
Dutch Defense: Krause Variation 0-1

Herminio Herraiz Hidalgo vs Simon Kim Williams
Wch U20 Calicut round 10 1998.11.27
Dutch Defense: Classical Variation 1-0

Joseph G Gallagher vs Simon Kim Williams
10th Monarch Assurance Port Erin IOM round 2 2001.09.30
Dutch Defense: Classical Variation 0-1

Radek Kalod vs Simon Kim Williams
Wch U20 Calicut round 4 1998.11.20
French Defense: Advance Variation 1-0