The four grounds or principles of fighting with any weapon

I am not entirely sure where I got this from, but it's useful for rping a fight so I'll post it.
The four grounds or principles of fighting with any weapon

1. Judgement
1. The first principle is judgement. This is to know when your opponent can reach you and when they won't be able to. In addition it is to know when you in turn can reach your opponent. To know what your opponent is capable of and their level of skill, through the lies that they'll preach. Also when and how he's able to use these abilities that he possesses.
2. When you first face off with them and enter the field or arena, observe the scope and unevenness of the ground. Put yourself into a ready position with your weapon, so that you don't need to prepare yourself later, and before your enemy comes within distance, set whatever light there is behind you, so that they instead must face you within a silhouette.
2. Distance
1. The second principle is one of measure. It is to know how to make your space effective to the defence of yourself, or to offend the enemy equally.
2. Keep your distance so that neither your head nor torso and limbs are within range. If distance is lost then attack, defend and then strike/thrust, move back and then strike/thrust.
3. Stocata: Lie with your right leg forward, your sword or rapier hilt back on the outside of your right thigh, with the point towards the enemy.
3. Time
4. Place
1. Time and place being near enough the same that they can be conjoined; As you have the mind to move forward,