TeamConde Koma BJJ

TournamentSan Diego XVIII Gi - Mar 2026

[ grey / youth ]

Jona Magus Fidelson

Jits

4,616Prodigy

~484 Jits to S-Tier

+40Last event: Mar 1, 2026

#1,306

Overall

Top 1%

Percentile

#744

grey Belt

Record

24-777% Win Rate

24 Wins7 Losses

4-1 Last 5

Trophy Case

10 GoldJJWL 4 · DREAM-BJJ 3 · IBJJF 3

Premier

IBJJF AMERICAN NATIONAL GIJun 28, 2025

IBJJF CON GISep 6, 2024

IBJJF LOS ANGELES GIMar 3, 2024

All Tournaments

JJWL CALIFORNIA XI GIFeb 22, 2026

DREAM-BJJ : JANUARY GIJan 31, 2026

JJWL CA CHAMP GINov 2, 2025

JJWL SAN DIEGO GIOct 4, 2025

JJWL WORLDS GIMay 25, 2025

DREAM-BJJ : MAY GIMay 4, 2025

DREAM-BJJ : MARCH GIMar 15, 2025

Fighter Intelligence

19 Tournaments

Medals

14Medals

across 19 tournaments

Gold 11

Silver 1

Bronze 2

79% Gold Rate

Belt Avg 24%

What this means79% of tournament entries result in gold — 55 points above the belt average. Elite podium consistency — this fighter dominates their brackets.

Finishing Ability

27%

Subs

Submission 4

Points 11

Other 0

Belt Avg 51%

-24 pts vs belt avg

What this means27% of wins by submission — 24 points below the belt average. This fighter wins primarily through points and decisions.

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Advanced Analytics

AI Calculated

Growth Trajectory

DVI

Building Momentum

Winning more than losing — building momentum

Growing faster than 80% of peers

Win Quality

Giant Killer

Clutch Score: +15.9%

Close Wins

Exp. Wins

Losses

23 matches analyzed

Format Split

GI SPECIALIST

20 Gi3 NoGi

16W-4L80%

NoGi

1W-2L33%

Sub Rate

Gi 20%NoGi 0%

47% win rate delta — Gi stronger

Segment Analysis

Malegrey BeltAges 8-929,089 Fighters

Comparing to 29,089 grey belt fighters

Win Rate

71%avg 56%

AVG

+15 pts vs avg

Sub Rate

27%avg 51%

AVG

-24 pts vs avg

Gold Rate

58%avg 24%

AVG

+34 pts vs avg

What This Means

Ranked #744 of 29,089 grey belts. 71% win rate, 27% submission rate across 24 matches. 7-tournament podium streak.

Tale of the Tape

Next Tournaments

JJWL

San Diego Xviii GiMar 28, 2026

MaleGi · Pre Teen 2015-2016 · grey·40-49

Solo — free medal

JJWL

San Diego Xviii NogiMar 28, 2026

MaleNoGi · Pre Teen 2015-2016 · grey·40-49

Solo — free medal

Fighter History

23 matches

Result	Method	Fighter	JITS	Academy	Bracket	Tournament	Format	Date
W	-	Cameron Jacob Wong	4203+280	One Jiu Jitsu HQ	Grey Junior 1 · Rooster	IBJJFOrange County Winter Kids	Gi	Mar 1, 2026
L	-	Ezekiel Alan Cox	4798-240	Art of Jiu Jitsu	Grey Junior 1 · Rooster	IBJJFOrange County Winter Kids	Gi	Mar 1, 2026
W	PTS 4-0	Liam Montes de Oca	2743+160	Bonita Martial Arts Academy	Grey Pre Teen · 50-59	JJWLCalifornia XI Gi Youth	Gi	Feb 22, 2026
W	DEC 0-0	Jordan Ace I Belmonte	3222+190	One Jiu Jitsu HQ	Grey Pre Teen · 50-59	JJWLCalifornia XI Gi Youth	Gi	Feb 22, 2026
W	-	Tristan Ryan Stewart	3073+260	Alliance Jiu Jitsu San Diego	Grey Junior 1 · Rooster	IBJJFLos Angeles Winter Kids	Gi	Jan 31, 2026
L	-	Ezekiel Alan Cox	4798-380	Art of Jiu Jitsu	Grey Junior 1 · Rooster	IBJJFLos Angeles Winter Kids	Gi	Jan 31, 2026
W	PTS 4-0	Michael Angelo Medel	1569+150	Academy Jiu Jitsu	Grey Youth · 40-49	JJWLCA Champ Gi Youth	Gi	Nov 2, 2025
W	PTS 12-0	Crixus Alexander Picarra	2896+270	Cobrinha Henderson \| Sd Academy	Grey Youth · 40-49	JJWLCA Champ Gi Youth	Gi	Nov 2, 2025
W	PTS 2-2	Shane Joseph B Marapao	2214+160	Lansang BJJ	Grey Youth · 40-49	JJWLCA Champ Gi Youth	Gi	Nov 2, 2025
W	SUB 2-0	Keoni Gachalian	1232+210	Legion American Jiu Jitsu	Grey Youth · 40-49	JJWLSan Diego XVII Gi Youth	Gi	Oct 4, 2025

From Conde Koma BJJ

Rival Fighters

Tristan Ryan Stewart.jits

Alliance Jiu Jitsu San Diego

H2H1-2

Michael Kawasaki.jits

Inspirit Academy

H2H3-0

Scouting Report

Conde Koma BJJ →

Data Sources

Matches23

Placements17

Tournaments19

Medals🥇 11🥈 1🥉 4

Sources

IBJJFJJWLDREAM-BJJ

First MatchApr 2025

Last MatchMar 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

Jona Magus Fidelson is a Grey belt from Conde Koma BJJ in California with a 74% win rate across 19 matches and 6 gold medals from 11 tournaments. His 29% submission rate ranks in the top 5% of Grey belts—16 points below the 45% belt average—indicating a points-based game plan. Fidelson holds a JITS rating of 3109, placing him at #1107 in belt rank and the 95th percentile among Grey belts. All 14 of Fidelson's wins came against higher-rated opponents, including a notable upset over Michael Kawasaki (−1010 rating gap).

His development velocity is dominant at −32.9 points per month, ranking in the 15th percentile DVI and signaling sustained performance against tougher competition. Fidelson competes exclusively in the Gi format—25 matches with a 3315 rating—across IBJJF and JJWL organizations, with three tournament victories at CA Champ Gi Youth, San Diego XVII Gi Youth, and American National Kids IBJJF 2025.

Frequently Asked Questions

Jona Magus Fidelson has a 17-7 competition record across 24 matches in 19 tournaments.

Jona Magus Fidelson is ranked #1306 overall and #744 among grey belt competitors on Jits.gg.

Jona Magus Fidelson has earned 11 gold, 1 silver, 2 bronze medals across 19 tournaments.

Jona Magus Fidelson trains at Conde Koma BJJ and competes as a grey belt.

Jona Magus Fidelson has a 27% submission rate and a 71% win rate across 24 matches.

Jona Magus Fidelson is ranked #744 among grey belt competitors on Jits.gg.

Jona Magus Fidelson's current Jits rating is 4616. Use the Rating Simulator on Jona Magus Fidelson'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.