A mate in 6 chess problem delightful in its purity. White to play. Composed by Thomas Davidson (horizontal mirror) in Montreal Daily Witness, 1899. (P.S. Chess study attribution incorrect in podcast.) LEVEL: Difficult CATEGORY: Problem Sit back and enjoy this video chess podcast by #1 www.chesskillertips.com. It is hosted by Chess Queen™ 12th Women’s Chess Champion Alexandra Kosteniuk.