Ferguson, Mark (ENG) - Riedel, Holger, Dr. (GER) 1-0, Arctic Chess Challenge (2), Tromsø, 2010.07.31
Thomassen, Joachim - Riedel, Holger, Dr. (GER) 1-0, Arctic Chess Challenge (4), Tromsø, 2010.07.31
Zozulia, Anna (BEL) - Riedel, Holger, Dr. (GER) 1-0, Arctic Chess Challenge (6), Tromsø, 2010.07.31
Dworakowska, Joanna (POL) - Riedel, Holger, Dr. (GER) 0-1, Arctic Chess Challenge (8), Tromsø, 2010.07.31
Number of games: 4