In 2012, he hosted his first CO-event, Countdown in Reading, which was won by James Robinson. He has hosted it each year from then on and has also hosted Countdown at the Mind Sports Olympiad (CO-MSO) from 2017 on.
|#||Date||Type||Contestant 1||Score||Contestant 2||Guest||Lex||Max|
|5257||5/05/2011||P||Jennifer Strachan||42 – 95||Tony Atkins||Alastair Stewart||Susie Dent||145|
|5258||6/05/2011||P||Tony Atkins||91 – 74||Jordan Humphries||Alastair Stewart||Susie Dent||135|
|5259||9/05/2011||P||Tony Atkins||71 – 81||Cliff Barnes||Gloria Hunniford||Susie Dent||116|