Byoyomi creates severe relative advantages based on banked time. One player having 3 minutes left, with the other in byoyomi is an "on the ropes" moment. Like

Byoyomi creates severe relative advantages based on banked time. One player having 3 minutes left, with the other in byoyomi is an "on the ropes" moment. Like the article says, with Fischer you always have the opportunity to claw back extra time, so it's not as severe a deficit.