Guest post by Masafumi Matsumoto, a BJJ brown belt from Japan who has been travelling the world, training, competing and working as a translator. ‘Masa’ is known for having a very good guard, especially his spider guard.
If you have been playing BJJ long enough and are interested in various grappling arts, you’ve probably heard of Kosen Judo.
And for those of you who need a quick recap, here’s what Kosen Judo is about:
Kosen judo (高專柔道 Kōsen jūdō) was a refinement of Kodokan judo that was developed and flourished at the Kōtō senmon gakkō(高等専門学校) (Kōsen (高專)) technical colleges in Japan in the first half of the twentieth century. Kosen judo’s competition rules allowed for greater emphasis of ne-waza (寝技, ground techniques) than in mainstream judo and it is sometimes regarded as a distinct style of judo. Today, the term “Kosen judo” is frequently used to refer to the competition ruleset associated with it that allows for extended ne-waza. Such competition rules are still used in the shichitei jūdō / nanatei jūdō (七帝柔道 seven imperials judo)competitions held annually between the seven former Imperial universities.
(from the wikipedia article on Kosen Judo)
By the way, Kosen Judo is not a lost art, because people still practice it. 7 national universities in Japan (i.e. Kyoto, Tokyo, Nagoya, Hokkaido, Kyushu, Osaka, and Tohoku universities) have Judo clubs that adopt this style of Judo, and hold annual tournaments among each club.
Technically, I believe these folks call their style as Nanatei Judo, where Nanatei refers to seven former imperial universities, but I simply consider Kosen Judo and Nanatei Judo as referring to the same style of Judo in this post. I’m also focusing more on what these 7 national university clubs have been doing in the following discussion.
OK, let’s get back to the main point.
If you’ve heard of Kosen Judo before, you might also be aware of the major difference between Kodokan Judo and Kosen Judo–the rule regarding guard pulling as we call it.
Kodokan Judo doesn’t allow it, and Kosen Judo welcomes it as an effective way of transitioning into ground work, which tends to be the main focus of Kosen Judo.
But why does guard pulling play a significant role in Kosen Judo?
If you know what’s actually involved in Kosen Judo tournaments, it will be easier to see why Kosen Judo players insist on guard pulling. And this might be something you didn’t know or consider before.
Now, let’s consider the following points.
1) They do annual team events. And they take these annual events seriously.
2) One team consists of 15 players. Some may have some significant (regular) Judo background. Some may have no sports experience at all beyond what one might experience in the Japanese school curriculum–you have to study hard to get into these prestigious national universities. Some may be juniors. Some may be seniors. Some may be giants while others may be lightweight players.
3) You never know who’s going to fight who until each team’s selection is revealed.
4) If you get more wins than your opponent’s team, your team will win.
5) If you win, you stay and fight against the next player. If you draw against your opponent, both players will be eliminated.
6) Some players are often assigned the strategic role of going for the draw. In this team competition context, a draw can mean a lot.
7) And of course, some players may have the role of going for the win.
8) You can win by a throw just like in regular Judo. But, from a strategic perspective that tries to minimizes losses for the team as much as possible, going for a throw can be a riskier option, given that you may get thrown or countered and lose instantly, whereas you may have higher chances of escaping from a pin or a submission even if you’re in a bad spot.
9) If you’re to train university students with no sports background so they’ll be able to at least draw against some other players who are more experienced, teaching them how to fight on the ground is probably more effective and efficient than teaching them how to throw potentially heavier, stronger, and more experienced opponents.
In short, the point is:
A Kosen Judo team’s main focus is to win as a team.
To win as a team, they need to win more individual matches than their opponent’s team, of course, but it’s also important for their players not to lose, especially in matches where, for example, a weaker and lighter player with little experience may have to fight against a stronger and heavier player with more experience.
Throws are considered as a riskier option that may lead to an instant loss if the player gets countered, which may happen even to a more experienced player. Ground work may be more predictable, and ultimately preferred for the team’s win.
So, for the reason above, guard pulling has a strategic place and value in the game of Kosen Judo, other than the historical value that some Kosen Judo players back in the days were able to dominate some Kodokan Judo players on the ground by the use of guard pulling and ground fighting.
On a related note… here’s a random Kosen Judo match from 1983. You can see hints of reverse de la riva, spider guard, single x, lockdown (which is actually called niju garami in Judo), and perhaps some other moves that we are familiar with today in BJJ.
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