Grab yourself a piece of chess history right from the Saint Louis Chess Campus! These beautiful vinyl 2018 Sinquefield Cup roll-up boards are signed by every GM participating in the 2018 champions Showdown. The board dimensions are 19.75" x 19.75". The signatures and squares they appear on are as follows: Garry Kasparov (e4), Veselin Topalov (d5),Levon Aronian (f1), Leinier Dominguez (g2), Wesley So (f7), Anish Giri (d3), Sam Shankland (b3), Maxime Vachier-Lagrave (c2), Hikaru Nakamura (b7), and Peter Svidler (c8). These boards are designed with logos from both the Saint Louis Chess Club and the Sinquefield Cup, and come with a Certificate of Authenticity.