Due to flexibility of configuration, the two smaller sizes are more often played on the online Go servers such as KGS Go Server, and board sizes from 2×2 to 38×38 are also allowed.
Supermarine Spitfire (late Merlin powered variants) | Supermarine Spitfire (Griffon powered variants) | List of Rolls-Royce Merlin variants |
The International Amateur Pair Go Championship (IAPGC as known as IAPG CUP) is an international tournament for amateur Go players under the Pair Go rule, held once a year since 1990.