Looks like 132 per hour is what the research actually says. The actual paper is pay walled, but this describes it: https://www.cbc.ca/radio/thecurrent/the-curr

Looks like 132 per hour is what the research actually says. The actual paper is pay walled, but this describes it: https://www.cbc.ca/radio/thecurrent/the-current-for-september-18-2019-1.5287932/forget-the-treadmill-an-intense-game-of-chess-can-burn-hundreds-of-calories-research-suggests-1.5288030 https://www.cbc.ca/radio/thecurrent/the-current-for-septembe... Another fun quote: > The 1984 World Chess Championship was called off after five months with both competitors — Anatoly Karpov and Garry Kasparov — experiencing exhaustion. Karpov was reported to have lost close to 20 lbs.