Arnis Koredas Obra mano has been founded by Grandmaster Andres GUMBAN from Cebu Island.
He's founded his own style based on thirty-seven differents forms of arnis.
Grandmaster GUMBAN, dead at age of 98 years's old, created this style with partnership of other arnis's masters leaving in cebu's suburb.
MACTAN is an island linked to CEBU, in one of several places of this first island, you can see the tribute monument build in memory of LAPU-LAPU, famoust warrior and pirat, also known with alias CILAPU-LAPU, considered as a national hero, LAPU-LAPU became a great symbol for filipinos because, in XVI century, he stopped the famoust MAGELLAN on the MACTAN's beach, fighting him to death.
Trainings and exchanges with several well known family arnis's schools such as CANETE, CACOYE... helped Grandmaster GUMBAN to find his own way to fight, selected effectives techniques in every schools to create his own traditional style which it has been yet revealed till now.
Grandmaster GUMBAN
At GrandMaster GUMBAN's death, his successor, Grandmaster BERSABAL, only nowadays reference of ARNIS KOREDAS OBRA MANO's fighting style, became the world's representative of this style.

Grandmaster BERSABAL
His first Official Representative in EUROPE is Master MONOSI Germano from BELGIUM.
Master MONOSI is also the founder-president and technical director of International Arnis Koredas Obra Mano Federation (IAKOMF), recognized officially in PHILIPPINES and being now the only international reference of ARNIS KOREDAS OBRA MANO outside PHILIPPINES.

1 ARNIS KOREDAS OBRA MANO
2 Koredas Mano Mano
3 Koredas Silat Dinagat
4 Koredas Binugsay
5 Koredas Trangkada Tumba
6 Koredas Hubad Lubag
7 Koredas Hubad Lyabe
8 Koredas Bweltada
9 Koredas Disarmada
10 Koredas Huego Tudo
11 Koredas Dekadena
12 Koredas Serrada De mano
13 Koredas Serrada Heneral
14 Koredas Pangamot Dipensa
15 koredas Largo
16 Koredas Medyo
17 Koredas Kortu
18 Koredas Lansesay
19 Koredas Palapas Palabay Dipensa
20 koredas Ilog Baraw
21 Koredas Alkontrada Heneral
22 Koredas Ronda Ulisi Serco
23 Koredas Atake Baraw
24 Koredas Labtik witik
25 Koredas Saltada
26 Koredas Estokada Sayaw
27 koredas Amara Largo
28 Koredas Amara Medyo
29 Koredas Amara Kurto
30 Koredas Duble Amara
31 koredas Solo Amara
32 Koredas Baraw Ulisi
33 Koredas Nilatigo
34 Koredas Destroksyon
35 Koredas Tapi Tapi
36 Koredas Dumod Layog
37 Koredas Tukod Sinungkod
The traditional school of INTERNATIONAL ARNIS KOREDAS OBRA MANO FEDERATION (IAKOMF) is composed by these 37 differents systems of KOREDAS.