Chief Delphi - Best/Strangest Defense Techniques

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- Rules/Strategy (http://www.chiefdelphi.com/forums/forumdisplay.php?f=6)

- - Best/Strangest Defense Techniques (http://www.chiefdelphi.com/forums/showthread.php?t=56715)

Stephi Rae

10-04-2007 00:56

Re: Best/Strangest Defense Techniques

Quote:

Originally Posted by AdamHeard (Post 615347)

Since our robot seems to play a defensive role even though it can score well, I think I'll be adding the "skunkworks spoiler" to my bag of tricks for galileo.

hey that's a good name for it! and it follows our colors too, how about that... :D It's all in the black and white... let us know how it works out for you...

ericand

10-04-2007 14:05

Re: Best/Strangest Defense Techniques

Quote:

Originally Posted by Zach Wydick (Post 615341)

Ya, that was our team. We scored it once or twice i think, and it does cause some confusion with the other team. We tried it Week 1 at Portland and had 2 other robots focus in on us while our teammates scored. Works pretty well.

-Zach Wydick

I know team 1425 appreciated it.:D

ericand

10-04-2007 14:11

Re: Best/Strangest Defense Techniques

Quote:

Originally Posted by Stephi Rae (Post 615346)

To add to zach's comment. Yeah that was us, and we scored the spoiler three times during the quarters, semi's, finals... then we also almost scored it another time on an empty spider leg, but we were able to get it off and keep going with it... that was pretty interesting. Holding the spoiler made it easier to block more area because we have a stationary arm with a rotating jaw (grabber). In portland it was like a magnet, we were automatically double teamed everytime we took out a spoiler, giving our alliance partners free reign over the rack. In vegas that didn't happen quite as often, but as I said, it gave us more blocking power, and we could score the spoiler when the time came for it. All in all worked pretty well.

Actually, if an alliance partner is nearby to score over the spoiler (that is on a leg by itself) this can be a good thing. The ringer on the outside of the spoiler counts and the spoiler on the inside makes the leg full (and thus not spoilable). The inside spoiler can't be removed because doing so would require descoring the ringer - so you have a situation that is equivilant to a keeper. I wouldn't expect this situation to arise very often.

Billfred

10-04-2007 14:15

Re: Best/Strangest Defense Techniques

We applied three tactics at Palmetto, in descending order of use:

1) Get between them and the rack. When we're one of the faster robots out there (which appeared to be often), this is not especially hard.
2) Clip a corner (or the end of a side, your choice). You don't have to move the whole robot, just enough to throw them off course.
3) Textbook brute-force pushing match. Sometimes, you just wind up in a textbook pushing match. Sometimes, you even win.

Not imaginative, but it was enough for a robot with a bad arm (and, in nearly two qualification matches, a dead drive system) to seed 12th and pick.

IndySam

10-04-2007 14:43

Re: Best/Strangest Defense Techniques

Quote:

Originally Posted by efoote868 (Post 615241)

Be wary, though. 829 does this, and at BMR, they got stuck. Spent pretty much the rest of the match trying to unstick themselves.

We run up and smack a spider foot, back up and do it again. Makes the entire rack really start swinging. We call it "Smack the Rack" defense and it was pretty effective until we got stuck in the Quarter finals :rolleyes:

The foot went in the gap in our ramp and actually got stuck on the bar that runs between the lift cams. Our driver worked for over a minute to get unstuck and finally with a push from our Puerto Rican friends managed to get us free.

BTW That gap will no longer be there at The Championship.

Brandon Holley

10-04-2007 14:57

Re: Best/Strangest Defense Techniques

Team 1975 is a ramp bot without a drive train. They flip over in the beginning of the match and wait for their partners to drive up them. We played them in one of our qualifiers. While we were tubing, we had our partners go attempt to push them out of the home zone, considering once they were out they most likely couldnt get back in. Moral of the story was...they were unmovable...I believe we still won the match tho.

lancerbotics

10-04-2007 15:49

Re: Best/Strangest Defense Techniques

Quote:

Originally Posted by LightWaves1636 (Post 614714)

-Knocking down the tubes on the wall as human element tosses spoilers to the other side to make no room for ramp deployment within home zone(Team 2250 and our human element at Colorado Regional)
-defensive bot playing defense on the opposing defense bot(1583 during final match at Colorado Regional)
-bots who played offense all Friday went on defense on Saturday, completely messed up the other alliance strategy because the last three of our matches, our opposing alliances' strategy was defend against 1636, well we didn't play offense, we went on defense, confused them enough to tie the last three matches.(Us at Colorado Regional)

This was the purpose of our robot, to be a small qnd fast robot that could play defense and harrass the opposition and then speed home and climb or be lifted for 30 pts. If you saw "Mini-me" in action you would be impressed.

Stephi Rae

10-04-2007 19:18

Re: Best/Strangest Defense Techniques

Quote:

Originally Posted by ericand (Post 615582)

That's a good point... we may look into that for future use... It would have to be quick though so the opposing alliance couldn't get there first... hmmmm...

Alpha 997

10-04-2007 22:20

Re: Best/Strangest Defense Techniques

Quote:

Originally Posted by danshaffer (Post 614665)

-knocking over all of the ringers in opponent's homezone to prevent ramp deployment.

Teams tried that on us. Didn't work haha. It takes like 2 seconds to clear them out.

vivek16

10-04-2007 22:44

Re: Best/Strangest Defense Techniques

well some of the arm bots were arm heavy so we just spun their light side

we got between them and the rack and we also had a big tarp thing to keep them from scoring from over us.

who knew castor bots could be so powerful? :D

vivek

A_Reed

11-04-2007 00:23

Re: Best/Strangest Defense Techniques

Um....we went went with the Aluminum Magnet option this year...:D LoL

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