The 2010/11 season of the Swiss Bundesliga in chess saw a duel for the title between the defending champions Valais and Basel BVB, which the Valais won thanks to the victory in a direct comparison.
Schwarz-Weiss Bern was promoted from the 2nd Bundesliga and achieved relegation, while Lugano CS had to relegate. Since Lugano did not compete against Schwarz-Weiss Bern, a team point was deducted from them, but they would have been relegated without the point deduction. For the reported team squads of the participating clubs, see the team squad of the Swiss 1st Bundesliga in chess 2010/11 .
The promotion game between the two winners of the second division seasons, SC Lyss-Seeland and Sprengschach Wil, took place on May 21 in Wil . The SC Lyss-Seeland won 6½: 1½ and thus rose to the 1st Bundesliga.