[robocup-small] New Rules

[Angelo Gurzoni Jr]

Hello, everybody

Wouldn't the scenario described by Joydeep result in a goal in the same way,
if we use the current rules, where chip goals aren't allowed ?

I'm not saying that Joydeep's line of thought isn't appropriate, as allowing
chip goals may increase the occurrence of this otherwise rare event, just
trying to put the scenario in the context of how would it be handled until
now. The suggestion to stop the game when the goalie touches seem
interesting, indeed.

 

 

 

Cheers

Angelo

 

From: robocup-small-bounces at cc.gatech.edu
[mailto:robocup-small-bounces at cc.gatech.edu] On Behalf Of Joydeep Biswas
Sent: Thursday, March 28, 2013 11:55 AM
To: Christopher Head
Cc: robocup-small at cc.gatech.edu
Subject: Re: [robocup-small] New Rules

 

Thanks for the clarification.

 

I feel that allowing goals from chip kicks like in the scenario I mentioned
will promote unintelligent behaviour where attacking robots will just keep
on chipping at the goal in the hopes that scenarios like this happen, and
that they will be awarded goals. For the goalie, however, it's reasonable to
"catch" the chip kick, but entirely unreasonable to predict exactly how the
ball will bounce off after hitting the goalie. 

 

Therefore, I feel if we are to allow goals from chipping, then if the goalie
intercepts a chip shot in the defense area, the game should stop and the
goalie should be awarded an indirect free kick from where it intercepted the
ball. This is just like in real soccer where if the goalie actually catches
the ball, he/she has full control of where he/she will pass the ball to,
next.

 

What are the views of the other participants of the small size league?

 

-Joydeep

On Thu, Mar 28, 2013 at 12:19 AM, Christopher Head <chead at chead.ca> wrote:

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Hello,
Yes, this would be a goal for yellow. The only case when a chip goal is
not a goal during normal play is if it touches the goalie then goes in
the goal, WITHOUT touching any other robot in between-this includes
another defender. We tried to strike a balance between encouraging
teams to use chippers where it makes sense to do so, while still giving
the goalie the power to defend effectively against chip goals, and the
rule about the goalie catching chip kicks that go directly into the
goal after touching the goalie was our way to (hopefully!) achieve that
balance.

Chris


On Wed, 27 Mar 2013 18:26:34 -0400
Joydeep Biswas <joydeep at cmu.edu> wrote:

> Hi Chris,
>
> I would like to clarify the rule regarding "catching" chip kicks in
> the following scenario:
>
> Scenario:
> 1. Yellow robot 0 chip kicks the ball towards blue goal.
> 2. Blue goalie (blue robot 0) touches the ball, and the ball bounces
> off its front.
> 3. The ball, bouncing off the front of blue goalie, hits the back of
> blue defender robot 1.
> 4. The ball, after hitting the back of blue defender robot 1, enters
> the blue goal.
>
> Would this scenario result in a goal for yellow team?
>
> -Joydeep

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