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천지 Chon-Ji  (19 movements)
CHON- JI means literally " the Heaven the Earth". It
is, in the Orient, interpreted as the creation of the
world or the beginning of human history, therefore, it
is the initial pattern played by the beginner. This
pattern consists of two similar parts; one to
represent the Heaven and the other the Earth.

단군 Dan-Gun (21 movements)
DAN-GUN is named after the holy Dan-Gun, the
legendary founder of Korea in the year of 2,333 B.C.

도산 Do-San (24 movements)
Do-San is a pseudonym of the patriot Ahn Chang-ho.
The 24 movements represent his entire life, which he
devoted to furthering education in Korea and the
Korean independence movement.

원효 Won-Hyo (28 movements)
It is named after the noted monk Won-hyo who
introduced Buddhism to the Silla Dynasty in the year
686 AD.

율곡 Yul-Gok (38 movements)
Yul-Gok is a pseudonym of a great philosopher and
scholar Yi I nicknamed the "Confucius of Korea". The
38 movements of this pattern refer to his birthplace
on 38-degree latitude and the diagram of the pattern
represents scholar.

중근 Joong-Gun (32 movements)
Joong-Gun is named after the patriot Ahn Joong-Gun
who assassinated  Hirobumi Itō, the first Japanese
governor-general of Korea, known as the man who
played the leading part in the Korea-Japan merger.
There are 32 movements in this pattern to represent
Mr Ahn's age when he was executed at Lui-Shung
Prison in 1910.

퇴계 Toi-Gye (37 movements)
Toi-Gye is the pen name of the noted scholar Yi
Hwang (16 century AD), an authority on neo-
Confucianism. The 37 movements of the pattern refer
to his birthplace on 37-degree latitude, the diagram
represents "scholar".

화랑 Hwa-Rang (29 movements)
HWA-RANG is named after the Hwa-Rang youth
group, which originated in the Silla Dynasty in the
early 7th century. The 29 movements refer to the
29th Infantry Division, where Taekwon-Do developed
into maturity.

충무 Choong-Moo (30 movements)
Choong-Moo was the name given to the great Admiral
Yi Sun-sin of the Yi Dynasty. He was reputed to have
invented the first armored battleship (kobukson) in
1592, which is said to be the precursor the present
day submarine. The reason this pattern ends with a
left hand attack is to symbolize his regrettable death
having no chance to show his unrestrained
potentiality checked by the forced reservation of his
loyalty to the King.
GUP PATTERNS (TUL)
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Here I leave Taekwon-Do for mankind as a trace of man of the late 20th
century".  The 24 patterns represent 24 hours, one day, or all my life.

General  Choi Hong Hi
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BELT
COLOR
MEANING
WHITE
Signifies INNOCENCE, as that of a
beginner student with no previous
knowledge of Taekwon-Do.  
YELLOW
Signifies the EARTH from which a plant
sprouts and takes root, as the
Taekwon-Do foundation is being laid
GREEN
Signifies the PLANT'S GROWTH, as the
Taekwon-Do skill begins to develop
BLUE
Signifies the HEAVEN, towards which
the plant matures into a towering tree,
as training in Taekwon-Do progresses
RED
Signifies DANGER, cautioning the
student to exercise self-control and
warning the opponent to stay away
BLACK
Opposite of WHITE, therefore
signifying maturity and proficiency in
Taekwon-Do. It also indicates the
wearer's imperviousness to darkness
and fear.
System of Rank

In Taekwon-Do, character development, fortitude, tenacity,
and technique are graded as well as individual capacity. The
promotional scale is divided into nineteen ranks - 10 grades
(Gups) and nine degrees (Dans). The former begins with 10th
grade (Gup) the lowest and ends at the first grade. Degrees
begin with the first degree (Dan) and end with the ultimate,
ninth degree.

There is, of course, a certain significance in the numbering
system. With degree, the number 9 is not only the highest one
among one digit number but also is the number of 3 multiplied
by 3. In the Orient, three is the most esteemed of all the
numbers. The Chinese character representing three is written:
The upper line symbolizes the heaven; the middle line,
mortals; and the bottom line, earth.

It was believed that the individual who was successful in
promoting his country, fellowmen and God, and able to reach
an accord with all three would aspire to become King, which
was written thusly:. The Chinese character for three and King
are nearly synonymous. When the number three is multiplied
by itself, the equation is nine, the highest of the high;
therefore, ninth degree is the highest of the high ranking belts.

It is also interesting to note that when the numeral 9 is
multiplied by any other single digit number and the resultant
figures are added together, the answer always equals 9, i.e. 9
x 1= 9; 9 x 2 = 18, 1 + 8 = 9 and so on up to 9 x 9 = 81, 8 + 1
= 9. Since this is only single digit number having this property,
it again points to the number 9 as being the most positive of
figures.

Taking the use of the number three one step further, the
degrees are further divided into three distinct classes. First
through third degree is considered the novice stages of black
belt. Students are still merely beginners in comparison to the
higher degrees. At fourth degree, the student crosses the
threshold of puberty and enters the expert class. Seventh
through ninth is composed of Taekwon-Do masters - the elite
who fully understand all the particulars of Taekwon-Do,
mental and physical.

There is perhaps one question that remains; why begin with
the lowest of the two digit numbers, "10" why not begin with
the lowest one digit number and proceed from first grade to
ninth grade, and then begin again for degrees? Though it
would certainly be more logical, the 10 to 1 and 1 to 10
numerical system in the Orient is ageless. It would be
impossible, if not even a bit impertinent, to attempt to change
a practice that is even carried into children's games.

Perhaps there was an initial logical reason for it; however, it
seems to have been lost in antiquity. Anyhow, the number "10"
is the lowest existing two digit number; consequently, a
beginner must start at this rather than 11 or 12 which are
numerically higher.
Special Thanks to all who have donated their time, recommendations and material to help
make this site the best website source on the Chang Huhn Patterns.
Hartman, R. (2008). Taekwondo Tutor [Online]. Available: TKDTutor.com [December 09 2007].