The 40th National B Chess Championship will begin on August 25 at the Bangladesh Chess Federation hall-room at 3 pm here. Rated players 2100 and over, national woman, junior and sub-junior champions, selected players from Dhaka city, all districts, public universities, affiliated organisations and forces already invited to participate in the meet, organized by Bangladesh Chess Federation. The last date of the entry is August 23. The event will be held in an eleven round Swiss-League system and top nine players from national B will qualify in the national A.