A Heart-Racing Experience! (2)
In the recent Freestyle event, heart rates of the players were measured in classical chess, with slow time controls. In bullet and blitz formats, where intuition prevails, heart rates remain relatively low compared to slower time controls like Rapid or Classical, which allow more contemplation during critical positions. Here are observations provided by the leading expert on the heart rate data shared during the Weissenhaus event.
Source: chessbase.com