Critique on Armada friendlies:
I read somewhere that Armada's favorite matchup is against Marth. No wonder. His DI against Marth is nearly impeccable. Still I think there are some more guaranteed combo links and perhaps stronger mixup options that you're underutilizing that could make the matchup a little bit harder for Armada than it is now.
Uthrow more at low-mid percents. At one point Armada was so conditioned into DIing down and away against your f-throws b/c you were hellbent on fthrow tech-chasing for some reason every time you got a grab.
Learn to space fair better for longer combos. Sometimes you can start a link into full hop fair even if peach is low in the air from early-percent dash attacks, utilts, SH FF fairs, etc. One unique way that marth can combo characters like peach is to combo link from tippering with the lower part of marth's FH fair then FFing into the 2nd hit of marth's fair.
Dash Attack more from nairs and f-throws when appropriate. Learn the percents when Armada is vulnerable to this mixup. And make sure that at these same percents where u-throw is a viable mixup to Armada's down and away DI in anticipation of f-throw that you space that FH fair optimally not only so you can get a longer combo, but also so you don't weak hit and leave yourself vulnerable to Armada's trades and get bodied from being in the air. F-throw dash attack works only if Armada is wary of the possibility of you uthrowing. Otherwise he's going to DI down and away your dash attacks all the time, which kept happening whenever you tried it on FD. The only time it worked really well out of the matches I watched is when Armada DI'd off the stage. Every other time you had to tech chase.
Dash attack less when Armada's stationary and at lower percents. There are a few reactions that you condition Armada into doing when you DD when he's stationary. Among the most prominent are dash attack, spot dodge, d-smash, and shield, and roll. I can bet you 20 bucks that when Armada's being smart that he will be holding down while he's waiting to react. Even well-spaced dash attack from marth can be CC'd to a certain percentage. Make sure you know this percentage and instead of doing dash attack,
use a dash canceled dtilt for a safe approach as a mixup to JC grab and an alternate to dash attack as much as possible. I see that you did get Armada popped in the air sometimes, and sometimes Armada CC d-smashed you for it at really low percents. Again I would look into the CC percents for this, but it seems like when CC doesn't force armada to fall yet your best option is going to be dtilt when Armada is CCing. Hell you might be able to weak dtilt to strong dtilt if you slightly mispace.
CC more when you're not in danger of getting d-smashed. This seems like obvious advice, but it's not so obvious to a lot of people when they are fighting peach and are so ingrained in the mindset of not holding down. CCing peach's dash attack is amazing and you should be looking for Armada doing this when you're DDing so much. Something that you can try to stop your dash with more is WD in place when you can't cancel your initial dash animation and you're obviously not comfortable with trying to pivot turnaround dtilt. Take those 10 frames in stride and know that when you're doing that, you're going to be holding down to CC if Armada's trying to catch your lag from WD in place, and get that CC grab please.
FF AC ALL NAIRS PERFECTLY This point cannot be overemphasized if you're using nair as an approach against peach, b/c if you don't do this, it makes it 10x easier for peach to dash attack you out of nair. EVEN if your horizontal spacing is gdlk. I know your nairs are already quite solid now. The next step is to practice them til they're as gdlk as your platform shine-waveland control with falco, and then I'll stop complaining
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Learn when you can get a reliable spaced SH FF uair both for combos and for pressuring Armada as he's floating down. IT ***** Seriously FH uair leaves you so committed and screwed if you weak hit. Just follow him until spaced SH FF uair will suffice to pressure him and use that instead. Seriously, it's safe if you space it and FF and it combos better. Please use this.
Don't shield so much with your back facing Peach Armada will do a low FC bair/nair/whatever and **** you with d-smash. Please WD away more even if Armada will start dash attacking you as a read to catch you. You shield too often in this scenario and it's getting you punished more than it should.
Try FF AC nair before and through Armada's shield as a mixup out of dash dance I think you may have tried this earlier on but because of a few horizontally mispaced ones, and a few that weren't low enough you stopped b/c Armada kept trading with you. Well guess what happened later on? Armada would prematurely d-smash or side step then d-smash your grabs when a perfectly spaced nair would punish either of those things.
Don't be afraid of approaching with SH fairs when armada is floating in range of those but is outside of the range to FC Fair you Armada is literally waiting for the right moment when you're doing those feinting SH's in place or slightly forward to FC fair you in the face. His Fair has startup so to avoid this guessing situation, just dash slightly forward and start your fair ASAP from jump. I'll just provide a link for clarification on just one example I happen to be see from the clip I'm watching currently.
http://www.youtube.com/watch?feature=player_profilepage&v=O354mCoqdyg#t=1359s
I'll try analyzing the few matches i've watched so far for you. This is a work in progress, and I have no idea when I'll be able to come back to this.
1. Don't try to mixup f-smash like here when you can turn around utilt and then mess her up for way more damage(peach is not a space animal...she doesn't die or get edgeguarded from bad DI from the other side of the stage at 46%):
http://http://www.youtube.com/watch?v=AedcoZtrZwg&feature=player_detailpage#t=62s
2. Don't try to dtilt peach after she sidesteps your grab. Marth's grab range despite being gdlk=/=dtilt range. Peach's d-smash range>Marth's grab range+Armada's gdlk reaction time+PP crouching=Armada profit. Tru story.
http://http://www.youtube.com/watch?v=AedcoZtrZwg&feature=player_detailpage#t=66s
3. You should've spaced a fair here. You could've definitely gotten either fair-dair or at least double fair into a 3rd fair.
http://http://www.youtube.com/watch?v=AedcoZtrZwg&feature=player_detailpage#t=69s
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General Comments
I love your patient pummels, smart recovery, and safe movement against Armada. Being less impulsive against Armada when instinct tells you you should be aggressive makes you one of the best players against Armada with any character. Still I feel like there are situations where you could go for better punishment options and situations where your patience gets overly predictable. Watch some M2K videos to learn some stronger combo strings on peach. I realize that Armada's DIing so well compared to other peaches and even compared to himself from a few tournaments ago against M2K (example his amazing DI from getting combo'd from fair and then his SDI up sometimes of the initial hit of an otherwise comboing FH fair), but with a little bit more refinement, I see you dominating this matchup with all those smarts. Take comments from this scrub with a grain of salt, and keep up the hard work PP!
Regards,
Your Biggest Marth Fan