kosen rules
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Kosen Grappling
In the Kosen competition, there are not many restrictions on practicing "Newaza" (ground work). Kosen
judo is what was first described as the strongest fighting art in the world from 1914 through to 1950s it has
made a strong come back due to the UFC MMA styles events. Kosen Judo is not judo one sided so that
grappling & Jujutsu codes are able to compete without the restriction of knowledge or fear of been thrown for
ippon (win), with an emphasis on Hikikomi - or pulling your opponent to the ground. Ne-waza is used by all
grappling codes, of course safety is first, this is a fast method of grappling that I hope you embrace and try.
1) The Tournament Director reserves the right to abandon, amalgamate or disqualify any person, weight
division or category where sufficient members are not present, or acting in an unjust manner these guidelines
are to ensure that the event is on time and with out delays. 2) Where high numbers are seen for a division the
draw will be run as a knock out. 3) Once weigh in is closed there is no entry. 4) Where a player is competing on
another mat area at the time they are called, (3 times) your bout will be put back once only, if you fail to show
for the 2nd
time you will be disqualified. 5) All players are to sign wavier to compete in Kosen grappling events.
The rules are set to ensure the safety of all competitors No exceptions.
1: Weight Divisions: Men: U/73 kg, U/81 kg, U/90 kg, U/100 kg, O/100
Women: U/50 kg, U/63 kg, U/70kg, O/70kg
Boys & Girls u/16: U/45, U/50kg, U/60, U/73kg, U/81kg, O/81kg
Boys & Girls u/13: u/35kg, u/45kg, u/55kg, u/65kg, u/70kg, o/70k
Boys & Girls (starting at 7)-u/10: u/27kg, u/35kg, u/45kg, u/55kg, o/55kg
Weigh in times: under AMAC 8.30am-9am under KJA 7am.7.30am close
no acceptance after closing time
2: Match times: Men & Women 3 minutes kids 2min?. Novice, (no previous contests). Depending on
numbers.
3: Dress Regulations & Safety Guards: All players are to wear the traditional Gi / judo / jujutsu
uniform. Mouth-guard, groin protectors are optional.
4: Scoring Victory:
Forced tap out by submission either by (choke, arm lock & straight leg-lock) Disqualification of opponents who leave the red area 3 times.
Opponent taps out or yells out stop.
No score obtained a draw
Referees discretion to the safety of the players.
Finals only advantage score win, given after golden score match by the center judge
Scoring
EXAMPLE 1: either standing or ground
To score 1, 2 or 3 points, if a player leaves the contests safety area (red)
either by rolling outor stepping out accidentally 3 times they are
disqualified under sumo rule from that match maximum points 3 awarded.
EXAMPLE 2: To score 10 points, a player wins by submission either by
(choke, arm locks & straight leg-lock).
EXAMPLE 3: where a player accidentally places a
hand on the face (no intent) during action, you stop &
warn them no penalty is given if the same incident
occurs during action, you stop them penalty is
given. If the incident occurs a 3rd
time they are
disqualified under illegal techniques& 10pts is
awarded to the other player. Center referee uses
discretion
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EXAMPLE 4: If a player leaves the mat under SUMO rule by force / avoidance or attempting
to throw or roll out of hold (standing or ground) at any time during the match the player is
warned of his mistakes and is penalized 1 point for each time. 3 warnings is disqualification from
that match.
Stepping out Rolling out
Stepping out
NOTE: All Throws, sweeps, take downs, pass guard, rear
mounts & controls will NOT score, only submissions will
be awarded full points.
The referee controls the match, (like in Judo) but (dose not)
yell out points scored (like jujutsu), unless player leave the
mat. He is assisted by 1 time keeper and 1 table operator that
writes the points on the draw sheet at the end of the match.
At the end of the match the points decide the winner.
Golden ONLY score applies where 2 players are on equal pts or where the center judge makes
the final decision as a result of golden score match is un-scored, winner awarded by continues
advancements only. (Only used in finals)
5: Ground & Standing techniques
A) Legal
All strangles with / without GI. All hold-downs (judo/jujitsu/wrestling.) All throws, sweeps,
takedowns. All Arm / straight leg locks. (Ok to use)
Four finger only lock (ok)
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Placing your shin across throat is aloud as long as your foot is in full contact with the mat
Placing your forearm across the throat is aloud as long as your hand is in contact with their shoulder.
Scarf hold is aloud; this is under IJF, Jujutsu and wrestling, as long as there is no lifting to crank.
Rear naked choke is aloud
Variation of a safe reverse Rear naked choke is aloud: There is no pressure on the neck due Not
having legs wrapped around the player & stretching them out.
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B) Illegal
(You will be disqualified if you do any of the below (no warning is given)
No Heal locks. No rotation of any joints (legs, foot or hand)
No neck cranks of any kind. If a player uses his leg from closed guard to stretch out another player
to apply the neck crank, no warning is given. You will be disqualified
No throwing a player onto No hands / fingers on the face. NO striking, you will be disqualified
your knee.
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Illegal you will be disqualified
No throwing opponent on head / neck NO Head butting in a striking manner
NO Slamming a player to the ground. You will be disqualified if you slam a player out for sumo rule
NO leg twining: OK NO elbow in throat. Illegal act youwill be disqualified
NO knee in throat Illegal act you will be disqualified
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Illegal
Holding / bending / twisting less then 4 fingers is illegal you will be disqualified
ADDITIONAL ILLEGAL TECHNIQUESNo Spine or neck pressure
No face contact at all
No using neck / head to aid technique.
Nothrows / sweeps that risk injuryNO Biting, Scratching & pinching
NO Poking or eye gouging with any part of the body
Any un-sportsman like behaviour (Bad language, disrespecting any official / representatives of AMAC,KJA nsw & IKA)
6: Disqualification:
3 warnings & your out of contest, for any of the above illegal techniques that are seen to be
deliberate & with in tent to harm another player.
Un sportsman like behaviour, bad language, bringing the sport in to disrepute.
Any false information supplied on your medical form, membership registration form, & contest
registration form.
If a player leaves the mat by force or avoidance at any time during the match the player is
warned of his mistakes and is penalizes 1 point for each time. 3 warnings is Disqualification
from that match.
7: Juniors & Seniors:
The Tournament Director reserves the right to abandon, amalgamate any weight division or category
where sufficient members are not present at the time of completing the draw (4wks prior to the event
starting) and will advise those effected of changes. Juniors aged 7 and up can compete in the Kosen
Judo grappling. Under strict conditions and guidelines rules & only if agreed by the director can a 10yr
old enter U13 or U16 enter seniors divisions, this is for safety and must be controlled.
Contest coordinator: Po Box 501 Wollongong 2520. NSW. Fx: 0242274519. Ph: 0412729938. email: [email protected]