27K views · 84 reactions | Chess is a challenging game, but these players are taking it to new levels… playing underwater. They're competing in the World Dive Chess Championships in London. Using a magnetic board and pieces, players have to hold their breath while they make their move. Once they've dived under the water they can't come back up for air until they've completed their turn. Contestants say it's all about having fun. www.7plus.com.au/news #7News | 7NEWS Melbourne | Facebook