Tatneft TNA has one of the most spectaculair fighting concepts in the world. In the regurairly fighting time it is not possible to win the fight by decision: points doesn’t count. The only way to win the fight is to force Knock Downs. The fighter with the most Knock Downs winst he fight. After three rounds, when there is no winner by Knock Down, there will be an extra round werein the fighter can win the fight trough making points and shows an attacking fighting style.