TournamentADCC US Open - Portland, OR - Feb 2026

[ grey / youth ]

Sophia Charlotte Duvall

Jits

5,563S-Tier

Top 0.1% of all rated fighters

+410Last event: Feb 21, 2026

#627

Overall

Top 1%

Percentile

#358

grey Belt

Record

30-1271% Win Rate

30 Wins12 Losses

4-1 Last 5+4 Streak

Trophy Case

8 GoldGRAPPLING-X 4 · United 2 · ADCC 1 · JJWL 1

Premier

ADCC US PORTLAND, NO-GIFeb 21, 2026

All Tournaments

GRAPPLING-X 12/21/ WINTER GIDec 21, 2025

GRAPPLING-X 12/21/ WINTER NO-GIDec 21, 2025

JJWL CA CHAMP GINov 2, 2025

UNITED GRAPPLING IN GIJul 19, 2025

UNITED GRAPPLING IN NO-GIJul 19, 2025

GRAPPLING-X 7/13/ SUMMER GIJul 13, 2025

GRAPPLING-X 7/13/ SUMMER NO-GIJul 13, 2025

Fighter Intelligence

17 Tournaments

Medals

20Medals

across 17 tournaments

Gold 9

Silver 7

Bronze 4

45% Gold Rate

Belt Avg 40%

What this means45% of tournament entries result in gold — 5 points above the belt average. Strong medal conversion with room to grow.

Finishing Ability

76%

Subs

Submission 19

Points 6

Other 0

Belt Avg 62%

+14 pts vs belt avg

What this means76% of wins by submission — 14 points above the belt average. This fighter has elite finishing ability for their rank.

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Advanced Analytics

AI Calculated

Growth Trajectory

DVI

Dominant

Dominant — winning at an elite level

Growing faster than 92% of peers

Win Quality

Giant Killer

Clutch Score: +19.8%

Close Wins

Exp. Wins

Losses

Upset Losses

33 matches analyzed

Format Split

GI SPECIALIST

21 Gi12 NoGi

19W-2L90%

NoGi

8W-4L67%

Sub Rate

Gi 57%NoGi 58%

24% win rate delta — Gi stronger

Segment Analysis

Femalegrey BeltAges 8-929,089 Fighters

Comparing to 29,089 grey belt fighters

Win Rate

82%avg 64%

AVG

+17 pts vs avg

Sub Rate

76%avg 62%

AVG

+14 pts vs avg

Gold Rate

31%avg 40%

AVG

-8 pts vs avg

What This Means

Ranked #358 of 29,089 grey belts. 82% win rate, 76% submission rate across 33 matches.

Tale of the Tape

Fighter History

33 matches

Result	Method	Fighter	JITS	Academy	Bracket	Tournament	Format	Date
W	DEC	Harper Blankenship	2889+120	100 Kilos Jiujitsu	- Girls [9-10 Years] · Intermediate · 32kg	ADCCUS Open - Portland	Gi	Feb 21, 2026
W	SUB	Milah Shakhnazarov	3534+230	Ascension Athletics	- Girls [9-10 Years] · Intermediate · 32kg	ADCCUS Open - Portland	Gi	Feb 21, 2026
W	SUB	Vasilisa Husmann	1236+60	Logic Jiu Jitsu Club	- Girls [9-10 Years] · Intermediate · 32kg	ADCCUS Open - Portland	Gi	Feb 21, 2026
W	-	Maddison Lynn Mattly	4694+450	Gracie Barra Chandler	Grey Junior 1 · Feather	IBJJFLos Angeles Winter Kids	Gi	Jan 31, 2026
L	-	Kyara Guimarães Barral	6981-30	Gracie Barra Northridge	Grey Junior 1 · Feather	IBJJFLos Angeles Winter Kids	Gi	Jan 31, 2026
W	-	Emilia Gene Perfecto	1239+110	A-side Jiu Jitsu	Grey Junior 1 · Feather	IBJJFLos Angeles Winter Kids	Gi	Jan 31, 2026
L	SUB	Khylee Almazan	4843-840	Lvl 5 Jiu Jitsu	- 9-10 · Intermediate · 32kg	ADCCUS Open - San Diego	NoGi	Jan 24, 2026
L	SUB	Kaidence Robinson	3051-520	All American MMA	- 9-10 · Intermediate · 32kg	ADCCUS Open - San Diego	NoGi	Jan 24, 2026
W	PTS	Kendall Jie-wen Chen	1093+90	Gracie Humaita South Bay	Grey No-gi --youth Divisions · 9-10 · Grey Belts · Intermediate · 60.1- 70 Lbs	GRAPPLING-XGrappling X 12/21/2025 Winter Games Jiu Jitsu Championships, Temecula CA	NoGi	Dec 21, 2025
W	SUB	Kendall Jie-wen Chen	1093+120	Gracie Humaita South Bay	Grey No-gi --youth Divisions · 9-10 · Grey Belts · Intermediate · 60.1- 70 Lbs	GRAPPLING-XGrappling X 12/21/2025 Winter Games Jiu Jitsu Championships, Temecula CA	NoGi	Dec 21, 2025

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Rival Fighters

Kendall Jie-wen Chen.jits

Gracie Humaita South Bay

H2H3-0

Michaela Edeline Garcia.jits

Atos LV

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Scouting Report

Cobrinha Henderson | SD Academy →

Data Sources

Matches33

Placements20

Tournaments17

Medals🥇 9🥈 7🥉 4

Sources

ADCCIBJJFGRAPPLING-XJJWLUNITEDNAGA

First MatchFeb 2025

Last MatchFeb 2026

Stats verified from completed tournaments only, may not represent a fighter's true record.

FloGrappling Videos

Elite fighters may have match videos on Flograppling. A subscription is required to view.

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About

Sophia Charlotte Duvall is a Grey belt from Cobrinha Henderson | SD Academy in Henderson, CA with a 60% win rate and 1 gold medal across 10 tournaments. Her 33% submission rate ranks in the top 35% of Grey belts, sitting 12 points below the 45% belt average. At 1656 JITS rating, she places in the 68th global percentile and 65th percentile among Grey belts.

Duvall secured 6 competitive wins against higher-rated opponents, including a notable 1235-point upset victory over Olivia Arellano. Her rating trajectory shows building_momentum at +13.7 points per month, placing her in the 77th percentile for Development Velocity Index. She competes across ADCC, IBJJF, JJWL, and NAGA, with her strongest results coming in the Gi format (1810 rating over 16 matches) compared to No-Gi (1025 rating over 5 matches).

Frequently Asked Questions

Sophia Charlotte Duvall has a 27-6 competition record across 33 matches in 16 tournaments.

Sophia Charlotte Duvall is ranked #627 overall and #358 among grey belt competitors on Jits.gg.

Sophia Charlotte Duvall has earned 9 gold, 7 silver, 3 bronze medals across 16 tournaments.

Sophia Charlotte Duvall trains at Cobrinha Henderson | SD Academy and competes as a grey belt.

Sophia Charlotte Duvall has a 76% submission rate and a 82% win rate across 33 matches.

Sophia Charlotte Duvall is ranked #358 among grey belt competitors on Jits.gg.

Sophia Charlotte Duvall's current Jits rating is 5563. Use the Rating Simulator on Sophia Charlotte Duvall's profile to see how a win or loss against any opponent would affect their rating. Factors include opponent strength, match method (submission vs points), and margin of victory.