In 2021 the Chicago Bears will play the other three teams in their division twice each, they’ll play the four teams in the AFC North, the four teams in the NFC West, two games against other second place teams in the NFC, and one game against a second place in the AFC.
In total, they’ll play eight of their 17 games against teams that made the playoffs a year ago.
You add all those team winning percentages together from the 2020 season and you come up with the third toughest schedule for the 2021 season at .