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#1
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1st Seeds Win
This is really the first year that I've actually paid attention to who wins regionals other than what I attended personally, and so I was wondering:
This year it seems like almost always the first or second seeded alliance wins the regional. I think I've seen only a couple of exceptions to that so far. Is that the normal thing, or have other years had more of a variation in which alliances win? |
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#2
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Re: 1st Seeds Win
Think about it, and mathematically/statistically it makes sense. If the first seed picks the second, then the first alliance has the top two teams in the regional. This makes for a powerhouse alliance.
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#3
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Re: 1st Seeds Win
This isn't always true. It ONLY makes sense if the ranking system is an accurate measure of robot performance, which it never is. W-T-L systems, or even any systems, don't take into account robot improvement, lucky or unlucky qualification pairings, or a number of other factors..
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#4
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Re: 1st Seeds Win
Quote:
*I'm not trying to be cruel, rather I'm stating the facts. Their robot never (to my knowledge) scored a single point for their alliance. Considering that the GDC wanted Logomotion to discourage defense, I find this ironic. |
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#5
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Re: 1st Seeds Win
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#6
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Re: 1st Seeds Win
Apparently the number 1 seed has never won the West Michigan District event. Granted, FiM has only been around for 3 years.
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#7
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Re: 1st Seeds Win
Here is some previous years threads with data:
My 2009 prediction & results of 50% Alliance #1 2008 with some '07 & '06 data 2006 The Philadelphia Regional is an interesting case as far as #1 seed vs the field. Last year I successfully predicted that the #1 seed would win Philly due to the new seeding algorithm (also contains my 09 spreadsheet). This a major streak breaker because before 2010, no #1 seed had won Philly since 2001. Philly tends to have a large similar top tier of offensive robots and lots of defensive bots that causes a lot of upsets during quals and elims. I don't have the % of #1 Alliance champions in 2010, but I suspect it was higher than usual. The scheduling algorithm (as much as I disliked it) did a good job of seeding the top robots high regardless of schedule difficulty. This year with a return to WLT system, I have been more interested in the how OPR correlates to event winner. The team with the highest OPR during the quals almost always wins the event even if they are not in the #1 alliance (won all the Week 1 events). In Chesapeake where the top team didn't win (one of the few cases), the alliance with the highest combined OPR did win. |
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#8
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Re: 1st Seeds Win
Thats what I always figured. I always assumed that since the rankings never put exactly the best people in the top eight (not that the ranking system is bad, it just is impossible to account for every factor), that every one there had some chance to take it all.
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#9
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Re: 1st Seeds Win
Another factor is that there are only 2 minibot poles per alliance and 'bonus' points given to faster minibots. The top seed typically teams the team with the fastest minibot, so they typically get 1st and 2nd in the minibot race. In past years ('07, 09) three good scoreres could beat 2 elite scorers, but not this year because there are only 2 minibot poles and a limited amount of pegs to score on. Its a lot like '08, which had only 2 trackballs. If there were 3 minibot poles per alliance and more scoring pegs (so 2 robots can't almost score on them all), you would see more upsets.
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#10
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Re: 1st Seeds Win
What I've noticed is this: In the past couple seasons, two good robots could hold up an alliance and win a match. The third one could play some very effective D (and some finals matches have been decided by how good the third robot is at playing defense) but especially in the quarters and semis the overall firepower of the top two robots in the top two alliances is too much for the others.
This perhaps is a side effect of FIRST's decision to design really offense-oriented games since 2007. That year was crazy: an alliance could score 256 points in one match and 0 the next, all depending on how much defense was played against them. Rack 'n Roll was, in my opinion, the only game where three good robots could beat two great robots and one not so great robot, which resulted in a lot of 8 over 1 upsets. This phenomenon was augmented by the fact that since defense could shut down many offensive teams, the best teams often would not seed first. Even when they did, they often lost if the regional or division was stacked enough to provide power to the #8 alliance. Look at the TBA results for GLR and West Michigan... more wins for blue than red in the elims. Oh look... 1114 and 67 lost in the semis due to amazing defense and the fact that 57's robot could not provide the defense necessary to stop the opponents from scoring. In 2007, none of the #1 alliances at Champs escaped the divisions and reached Einstein. The #8 alliance of 190, 987, and 177 won in the finals. This could be interpreted as proving my point that 2007 was the only recent year where the #8 alliance could be the best alliance at an event. However, back then there was this huge discussion about how overpowered defense was in FIRST and how boring it was to watch robots bump into each other instead of score. There were also instances where teams played defense that was too rough and complaints about how the serpentine draft gives an advantage to the #8 alliance and should be done away with. Perhaps as a result, FIRST has designed games in recent years to be based on offense, so the good teams can seed high in qualifications and be less hindered by defense in the elims. These offense-powered games in recent years have given the #1 alliance more of a chance to dominate a competition. Last edited by JABot67 : 27-03-2011 at 16:51. |
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#11
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Re: 1st Seeds Win
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I made a similar one back after that season, but for different reasons. In 2007, I noticed that a lot of the lower seeds were winning due in large part that they had 1st pickings of the "ramp" bots that gave a relatively large bonus for winning matches. With proper defense and pinpoint scoring to block the multiplier on certain pegs of the rack, they could come back and beat you on the bonus. The bonus back then was much more difficult than this year. This season, your bonus is independent of an alliance partner and could be done entirely by yourself. Everyone can technically have the same type of 1 to 1.x sec minibot. The formula to creating one is out there and can be done independently of your robot between regionals. You would not (nearly impossible for most) be able to go from a non-bonus bot to one all of a sudden in your next tournament. IMO, that game gave every alliance the best chance to win a regional. You had to be very, very careful on who you picked in trying to beat out the other alliances. |
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#12
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Re: 1st Seeds Win
Looking at the data for #1 alliances going back to the Palmetto Regional's inception:
2004 (343/1402/665): Out in quarterfinals (three matches), #2 won 2005 (1251/25/301): Finalists (three matches), #2 won 2006 (68/180/1028): Semifinalists (two matches), #6 won 2007 (1251/1758/1626): Finalists (three matches), #2 won 2008 (343/342/393/804): Finalists (four matches), #7 won 2009 (3025/2815/1379): Finalists (two matches), #3 won 2010 (343/1261/1398): Champions (three matches) 2011 (180/2363/2815): Champions (three matches) 2005 was the start of 3v3 play, and 2006 was the start of the serpentine draft. Take from this what you will. |
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#13
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Re: 1st Seeds Win
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Also in our first regional this year (Boilermaker) the number 1 seeded team chose the number 2 seeded team and they completely shut destroyed every other alliance because no one could stop them from scoring or deploying their minibots (the fastest at the event). |
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#14
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Re: 1st Seeds Win
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On the other hand, man is that an instructive story to tell at workshops. |
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#15
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Re: 1st Seeds Win
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