Pianist and Checker Players by Henri Matisse http://www.nga.gov/artworks/66423-pianist-and-checker-players
Through the 1920s, Matisse stayed in Nice from late fall to early spring of each year, while his wife and family remained in Issy-les-Moulineaux outside Paris. Pianist and Checker Players is set in Matisse’s Nice apartment and shows the artist’s favorite model, Henriette Darricarère, and her two brothers.
our right looks at the board while resting his left cheek, closer to us, in his hand