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#1
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Re: Defensive Robots/Strategies?
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1) Vertical Defense- Use your robot to block potential fuel shots by choosing to build using the volume option with a focus on height (30 in. by 32 in. by 36 in. tall (~76 cm by 81 cm by 91 cm tall)). This option is difficult to pursue for 2 reasons:
2) Horizontal Defense- Use your robot to effectively pin opponents by selecting the volume option with a focus on width (36 in. by 40 in. by 24 in. tall (~91 cm by 101 cm by 60 cm tall)).
G11.There’s a 5-count on pins. ROBOTS may not pin an opponent’s ROBOT for more than five (5)
G08. Don’t tear others down to lift yourself up. Strategies aimed at the destruction or inhibition of G09. Stay out of other ROBOTS. Initiating deliberate or damaging contact with an opponent ROBOTIn terms of contact, both vertical and horizontal builds should be equally effective, but the width of the horizontal should be more effective for pinning. In regards to height, the distance from the ground to the top of the high efficiency is roughly 27 in. The maximum height for a vertical bot is 36 in. and for a horizontal bot is 24 in. The horizontal bot should semi-effectively block shots into the low efficiency goal, so this is something to consider when picking a strategy. In summary, your most viable option is probably to pursue interfering with ball-shooting robots. They are easier to throw off, as many teams seem to be implementing safeguards against gears falling off. |
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#2
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Re: Defensive Robots/Strategies?
We reviewed some core defensive strategies in our video update of weeks 1 & 2, so we recommend your team checks this out to see how other teams are implementing some of these strategies!
https://youtu.be/PJhMr0CW83s Last edited by SMR Vault : 24-01-2017 at 08:23. |
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#3
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Re: Defensive Robots/Strategies?
The field this year has some semblance to Ultimate Ascent's field, with large field objects creating chokepoints. The chokepoints this year are the two corridors where robots can exit their key.
Optimally played defense will make it extremely difficult for boiler-scoring robots to leave the key after their cycle, as IMO, playing defense on intaking robots is more important than defense on scoring robots, as accuracy matters less than volume of fuel fired. A blue robot shifting between these two positions can significantly disrupt an opponent's cycle time, and even has the potential to entirely lock them out of acquiring new gears or fuel to cycle. http://imgur.com/a/NA1uK |
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#4
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Re: Defensive Robots/Strategies?
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"There is no FIRST® Robotics Competition specific definition of pin, so a general definition applies; “to prevent or stop something from moving.” As a result, contact is not required for pinning to occur. For example, a ROBOT parked right behind an opponent that is between dividers could be considered pinning because the dividers and the parked ROBOT prevent the opponent from moving." So would contacting a robot for a period of longer that a 5 count be allowed assuming both robots were moving? Such as in the case of continued bumping or pushing? |
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#5
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Re: Defensive Robots/Strategies?
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But imagine this scenario: Robot A is moving towards some point on the field to score points. Robot B wants to play defense on them, and so Robot B drives headlong into Robot A to prevent them from scoring. Both robots are in an open area, pushing head to head and neither are moving for over 5 seconds. This is typically not considered a pin. While neither robot is moving, Robot A could, at any time, throw it in reverse and try an alternate route. Robot B is preventing Robot A from getting to their destination via the most direct path. They are not preventing them from moving at all. Now imagine this: Robot A has just scored, has one end against a wall or some other obstacle, and wants to drive back tot he other end of the field to reload whatever scoring piece. Robot B wants to play defense. Robot B does this by driving headlong into Robot A, driving it into the wall. Neither robot is moving for over 5 seconds. This would typically be considered a pin. Robot B is preventing Robot A from moving whatsoever and would be in violation of G11. While that doesn't directly answer your question, you should be able to draw the correct conclusion form that. Last edited by Cothron Theiss : 02-02-2017 at 20:14. |
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