October 25, 2025 - October 30, 2025
Thanksgiving Open Championship 2025
Aaron Grabinsky is an American chess International Master. Some of his greatest chess successes include winning the Master’s category in the 2016 US Open with 7/9; placing 4th in the 2016 North American Youth Championships with 6/9; and equal first in the 2017 Chicago Class Championships with 4.5/5.