Again, as Laird and Stryke point out, the essence of tournament fighting under any rules, will quickly show the fighter what he is made of.
The skill sets foundation is hard to dispute. Sport fighting, among other things, teaches how to move and engage under adrenaline, as well as a host of other useful tactics such as 'luring distance' to pre-empt attacks.
It will also very quickly test your overall body conditioning, such as the hardness of your shins to cut down the opponent's legs, and your ability to take destructive shin kicks to your legs or other body parts.
Kyokushin karate is hard core training and their tournament rules involve heavy body battering. They condition their hands for bare handed punching, but because of the way they 'sport fight' head shots are not allowed because of serious injuries both to the opponent and themselves like breaking their hands and cutting their hands on opponents' teeth. This does not mean they can't punch you in the face if they want to, as Laird showed so well.
And let me make this point clear…on this forum…I will not allow Kyokushin or any other style to be criticized for any reason…we went through this garbage a few years back, with some of the jokers on this forum criticizing Uechi Ryu, but never jumping into the ring to face a Uechi fighter.
I know we have some Kyokushin practitioners looking at this forum, as we have had in the past, and I don't want them to think we are knocking their style.
It is a no brainer to realize that with the constant battering, which also includes full power kicks to the head, the Kyokushin fighter achieves pain thresholds that wouldn't be quickly negated by taking some punch to the face.
The reason why they do so well against Muay Thai fighters.
I have seen this argument before…and here is what a KK practitioner wrote in rebuttal
Walk to the nearest Mas Oyama dojo, and challenge them to a sparring match that includes punches to the face. They will be happy to oblige.
Not many challengers would have the threshold of pain necessary to fight one of those KK fighters.
Besides, we have been through this over and over, regarding face/head punches, with no padding/gloves etc.
One of my two students_ former heavy weight boxers_broke his right hand seven times
in street fights.