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Ryohei Arai

  Ryohei Arai's profile at Sherdog 
Association: Zendokai Headquarters
Pro Debut Date: 2005-09-03
Pro Record: 5-0-1
Win Finish %: 100.0%
Quality Perf. %: 50.0%
Last Ranked: 10/01/2007

#502 Middleweight

Highest Quarterly Ranking: 1/01/2007

#360 Middleweight

Complete Professional MMA Fight History
Fighter rankings represent most recent generated quarterly rating prior to the fight

  Opponent Outcome
W Tamotsu Kitada Submission (Heel Hook)
Round 1
  Deep - clubDeep Kanazawa
Sunday, December 9th 2007
W Takami Ono TKO (Punches)
Round 1
  Deep - clubDeep Kanazawa
Sunday, December 9th 2007
D Takuya Sato Draw
Round 2
  Deep - 30 Impact
Sunday, July 8th 2007
W Masaya Doi Submission (Armbar)
Round 1
  Deep - clubDeep Tokyo: Future King Tournam...
Saturday, December 9th 2006
W Yuichi Kishino Submission (Rear Naked Choke)
Round 1
  SR - Spiritual Road 2nd
Tuesday, March 21st 2006
W Yasushi Kitazaki Submission (Rear Naked Choke)
Round 1
  SR - Spiritual Road 1st
Saturday, September 3rd 2005
  Opponent Event Outcome
W Tamotsu Kitada   Deep - clubDeep Kanazawa
Sunday, December 9th 2007 		Submission (Heel Hook)
Round 1
W Takami Ono   Deep - clubDeep Kanazawa
Sunday, December 9th 2007 		TKO (Punches)
Round 1
D Takuya Sato   Deep - 30 Impact
Sunday, July 8th 2007 		Draw
Round 2
W Masaya Doi   Deep - clubDeep Tokyo: Future King Tournam...
Saturday, December 9th 2006 		Submission (Armbar)
Round 1
W Yuichi Kishino   SR - Spiritual Road 2nd
Tuesday, March 21st 2006 		Submission (Rear Naked Choke)
Round 1
W Yasushi Kitazaki   SR - Spiritual Road 1st
Saturday, September 3rd 2005 		Submission (Rear Naked Choke)
Round 1

Quarterly Generated Historical Rankings
Rating bar represents the fighter's standing relative to the top of the division at the time

Date ↑ ↓ Rank Record Points
10/01/2007 129 #502 Middleweight 3-0-1
15
07/01/2007 11 #373 Middleweight 3-0-0
18
04/01/2007 2 #362 Middleweight 3-0-0
18
01/01/2007 NR #360 Middleweight 3-0-0
18


A fighter's rank (US) state is assigned based on the state that the fighter most frequently fought in professionally, within the past three years. If there is a tie, the most recent state is used. The Win-Loss-Draw record for the fighter in the "Big Leagues". The Big Leagues refer to the top organizations based on a statistical analysis we performed. Some organizations were counted as one, due to mergers, etc. A quality performance is a fight in which the fighter fought an acceptable opponent, and substantiated their current rating (at the time) based on the outcome. At it's most basic level, one can equate "combat age" to "dog years" in that it will mirror the basic human lifecycle. With this computation, we expect fighters to hit their respective "peak" in the years that your typical adult "peaks" in life, somewhere between 25 and 40. We will expect most fighters to start their descent at some point in their 40s and be far removed from their peak by 60. This is an experimental metric that attempts to reflect a fighter's recent opposition quality. The metric goes back 1,080 days, and looks at all the fighter's opponents' W-L-D records within a window of 540 days before, and 540 days after their respective bout(s) with the fighter. All of the records are added up and the cumulative win percentage is presented by this metric in a "strength of schedule" format. These ranking sets have been generated by a recent version of the software, using recent data and will not match previously published issues of the rankings, especially since a majority of these generated sets are for dates much earlier than the site’s inception.

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