What options are available to make Diplomacy accessible to a blind player?
Ultimately I think it would be like playing Chess blind, only more difficult because many pieces change positions at the same time. It would certainly be possible for a dedicated player to hold the positions of all pieces in their head, but would likely be extremely frustrating for a new player. It might be useful for the player to have an "adviser" who does not participate in direct negotiations or order placing, but is able to give information to the player throughout the turn about what the board state is, and what opportunities/threats might exist. They could also pass on other "visual" information, such as "Russia and Turkey spent 20 minutes talking in a corner before the first turn".