Edward W Formanek vs Jorge E Amador
32nd World Open Philadelphia, PA USA round 1 2004.06.29
Sicilian Defense: Alapin Variation, Sherzer Variation 1-0

Grace D Nsubuga vs Jorge E Amador
29th World Open Philadelphia, PA USA round 3 2001.07.05
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line 1-0

Steven F Mayer vs Jorge E Amador
29th World Open Philadelphia, PA USA round 5 2001.07.06
Dutch Defense: Krause Variation 1/2-1/2