Karys Chiu
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Femalegrey BeltAges 8-929,089 FightersRanked #2977 of 29,089 grey belts. 85% win rate across 13 matches.
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| # | Name | JITS | Academy | Record |
|---|---|---|---|---|
| 1 | Celine Bernardino | 4,314 | Gracie Humaita Las Vegas | 30-17 |
| 2 | Erin Baek | 3,794 | One Jiu Jitsu HQ | 16-2 |
| 3 | MacKenzie Mapile | 3,567 | Alliance Jiu Jitsu South Bay | 14-10 |
| 4 | Mika Boucher | 3,116 | Conde Koma BJJ | 19-15 |
| 5 | Karys Chiu | 2,840 | One Jiu Jitsu HQ | 11-2 |
| 6 | Mila Ayuyu | 2,355 | Gracie Humaita South Bay | 8-5 |
| 7 | Jessiah Granillo | 1,568 | Steez Jiu Jitsu Club | 7-10 |
| 8 | Rya Ta | 1,425 | 1802 Jiu Jitsu | 3-5 |
| 9 | Ava Silvestre | 1,324 | Alliance Jiu Jitsu Carlsbad | 8-7 |
| 10 | Gloria Miller | 1,255 | Chula Vista Jiu Jitsu Club | 3-8 |
| 11 | Hiley Simpson | 1,230 | 1802 Jiu Jitsu | 2-3 |
| 12 | Meilynn Sandvig | 1,210 | Checkmat Fallbrook | 1-9 |
| 13 | Willow Steffel | 1,203 | Infinity BJJ Santee | 5-10 |
| 14 | Moira Bhave | 1,189 | 1802 Jiu Jitsu | 7-7 |
| 15 | Gemma Gowanlock | — | Seven Spears Jiu-jitsu | — |
| 16 | Kaili Kurokawa Nguyen | — | Gracie Barra Huntington Beach | — |
Fighter History
| Result | Method | Fighter | JITS | Academy | Bracket | Video | Tournament | Format | Date |
|---|---|---|---|---|---|---|---|---|---|
| L | PTS 0-2 | 2993-470 | Checkmat Lahabra | Grey Pre Teen · 50-59 | Gi | Feb 22, 2026 | |||
| W | SUB 6-0 | 1066+200 | Conde Koma BJJ | Grey Pre Teen · 50-59 | Gi | Feb 22, 2026 | |||
| L | - | 3486-1310 | Phenom BJJ | Grey Junior 1 · Rooster | Gi | Jan 31, 2026 | |||
| W | PTS 5-0 | 3486+320 | Phenom BJJ | Grey Youth · 50-59 | Gi | Dec 6, 2025 | |||
| W | SUB 6-0 | 1019+310 | Infinity BJJ Santee | Grey Youth · 50-59 | Gi | Dec 6, 2025 | |||
| W | PTS 9-0 | 2943+330 | Checkmat Upland | Grey Youth · 50-59 | Gi | Dec 6, 2025 | |||
| W | DEC 7-0 | 2882+280 | Riverside Submission | White Youth 2016-2017 · 50-59 | Gi | Aug 3, 2025 | |||
| W | SUB 0-0 | 1247+380 | Camarillo Jiu Jitsu | White Youth 2016-2017 · 50-59 | Gi | Aug 3, 2025 | |||
| W | SUB 17-0 | 1505+550 | Alliance Jiu Jitsu South Bay | White Youth 2016-2017 · 50-59 | Gi | May 25, 2025 | |||
| W | SUB 0-0 | 1250+1450 | Six Blades Jiu-jitsu | White Youth · 50-59 | Gi | Apr 12, 2025 |
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Stats verified from completed tournaments only, may not represent a fighter's true record.
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About
Karys Chiu is a Grey belt from One Jiu Jitsu HQ in California with an and 4 gold medals across 5 tournaments. Their 73% submission rate ranks in the top 4% of Grey belts—28 points above the 45% belt average. Chiu holds a 92% win rate, 42 points above the 50% belt average, and maintains a JITS rating of 3309 (97th global percentile, 96th percentile among Grey belts). All 9 of Chiu's competitive wins came against higher-rated opponents, including a notable victory over Emma Smith (563-point rating gap).
Their rating trend shows dominant performance at -59.0 pts/month (11th percentile DVI), indicating consistent wins against tougher competition. Chiu competes exclusively in Gi format (10 matches, 1940 rating) across IBJJF and JJWL organizations, with tournament victories at the 2025 Socal Gi Youth Finals, Pan Americans II Gi Youth, and The Worlds Gi Youth—each yielding gold medals.