Simultaneous initiative

In kumdo, daeui seon (대의 선) is simultaneous initiative: you launch your attack at the same moment as your opponent and win with it. It is one of three kinds of initiative (선, seon), with seonui seon and huui seon.

How to say it

Korean
대의 선dae-ui seon
Spanish
Iniciativa simultánea
English
Simultaneous initiative
Japanese
対の先たいのせんtai no sen

Daeui seon (대의 선, also written 대(對)의 선(先)) is the kumdo concept of "simultaneous initiative". You start your attack at the same moment as your opponent, and you win with it.

It is one of three kinds of initiative (선, seon), which describe when the advantage is taken in an exchange:

A Korean source says this skill is the result of long training and is not fought "with the head". It comes only from instinct and ceaseless practice.

An English-language kendo source describes the same case in a similar way. Both strikes are made at about the same time, but yours is slightly faster, so you win.

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