I came into practice with such high hopes. I had developed a different way of doing Spanish, which worked okay, but not as well as I had hoped. This is part of why I like practice though - when I bring a new theory that I've drilled for a week or so, then I can test it against Real Life, and it will either succeed or fail.
The theory was based on last post. Essentially, I have been having trouble with Spanish because I was not considering parallax when fencing in a Spanish way. This meant that my opponents could step around my parries. So, I decided to consider parallax in a Spanish way.
A step back for a moment.
So, in Romagnan's Rada, as pictured below, there is the Left Defensive Plane (LDP) and the Right Defensive Plane (LDP). These form a slice of pie. According to Romagnan, you remain safe as long as you keep your opponent's weapon outside of the slice of pie formed by your left and right defensive planes.
For quite some time I tried to do this. However, when I attempted to attack, I still felt unsafe and as though I could easily be attacked, if I didn't out-range my opponent. So, I continued on, vaguely unsettled and feeling as though something was wrong.
[ROMAGNAN'S RADA ON THE LEFT, LUPOLD ON THE RIGHT.]
These are both a top-view of you on the bottom, and your opponent on the top.
And then, I had my thoughts about width, penetration, and parallax. In particular, parallax, because the problem I consistently had was people with more reach simply yielding around my weapon. So, I developed ideas about how to prevent this, which resulted in the thoughts from last post and the resulting spreadsheet.
So, I changed my understanding of the Left Defensive Plane and Right Defensive Plane, as pictured above on the right. The dotted line labeled "A" is the line connecting your shoulder to their shoulder. The angle labeled "B" is the Smallest Useful Angle of Parallax, listed on the "SmallestUseful" page on the spreadsheet. The angle labeled "C" is the Largest Useful Angle of Parallax, listed on the "LargestUseful" page of the spreadsheet.
Basically, as you get closer to your opponent, the Left Defensive Plane and Right Defensive Plane expand. So, that means that as you get closer to your opponent, your parry needs to be farther to the side. The appropriate angle begins at "B", and then ends at "C".
[TERRIBLE ILLUSTRATIONS OF TWO SMALLEST ANGLE PARRIES ON THE LEFT, AND ONE LARGEST ANGLE PARRY WITH ATTACK ON THE RIGHT]
These drawings are terrible, but I don't think I'd be able to do better if I redid them. I have a 26-inch arm.
So, on the left we have the smallest useful parry depicted. The Lupold with the white sword has a 45 inch sword, while the Lupold with the black sword has a 37 inch sword. Lupold37 is within Lupold45's measure, but because Lupold37's parry carries Lupold45's sword past the right defensive plane, outside of the angle of parallax, he is safe. The angle "B" is labeled, and according to the spreadsheet should be something like 20º.
The middle illustration has the same situation, but better. The angle is still B, but instead Lupold37's arm and weapon are along the plane. This means that Lupold45 must disengage completely around Lupold37's sword, rather than being able to simply move elsewhere and yield around it. In the left Illustration, Lupold45 could easily move his tip toward Lupold37's hand and perform a yielding thrust, getting around Lupold37's defenses and stabbing him. But in the illustration to the right, he must get around Lupold37's parry. It would be best if Lupold37 had some sort of angulation to his blade that would increase his blade's effective defensive width, but I didn't illustrate that, so tough luck.
In the middle illustration, the angle is still the smallest useful angle, which is about 20º.
The right illustration is an illustration of how Lupold37 could attack while maintaining the right defensive plane. In it, Lupold37 has closed and is performing a thrust. The angle has widened to C, which ends up being about 35º. So, Lupold37 has moved his body around his hand such that Lupold45 still cannot stab him, by exiting the angle which Lupold45 could theoretically yield around to. At the same time, Lupold37 is stabbing Lupold45, by being close enough to stab him.
Thinking about it, I believe that my calculations for the Largest Useful Parry are wrong, but they should over-estimate, rather than under-estimate.
But in any case, this is the new principle of Destreza that I'm using. And it didn't fail, exactly. It had two circumstances in which it didn't perform according to expectations.
- One short-blade fencer would persistently move forward, attempting to yield around my blade. So I would push downwards and outwards as he moved forward, and we'd end up in a scrum with our hands on each other's blades. This, while entertaining, was not clean.
- A fencer using a longer blade would place his hilt in a place that wouldn't let me perform a Weak Under Strong thrust against him. This meant that my only offensive possibility was Line in Cross, or to abandon the Low General, and made me sad. Because ideological purity is a Thing, and Viedma says you only need the Low General.
So, frustration. I think that I need to integrate the High General, and I need to figure out better ways to lead with Weak Under Strong.
Sigh. Good game, everyone.