Claire Van Leeuwen

W–L: 3–3
Gi: 1,243
No-Gi: -
Current form: 3–3
Opponents: 6

Indexed career

Matches

Indexed competition matches
Date	Opponent	Result	Event	Division
2026-06-07	Joes Urlings	Loss	Evolve Grappling Championship Adults Nogi & Kids Gi	youth_ratings.formats.conflict · Kids / 10 & 11 years old / White & Grey / -30 & -34 & 8-9 years -42
Current estimated model contribution Rating influence This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ 0 This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Result Loss Format youth_ratings.formats.conflict Duration 02:17 Round 3 Score 4–9 Academy during event Hoyer's Gym BJJ Outside the current rating period
2026-06-07	Nora Kamprolf	Loss	Evolve Grappling Championship Adults Nogi & Kids Gi	youth_ratings.formats.conflict · Kids / 10 & 11 years old / White & Grey / -30 & -34 & 8-9 years -42
Current estimated model contribution Rating influence This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ 0 This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Result Loss Format youth_ratings.formats.conflict Duration 01:12 Round 2 Score 0–6 Academy during event Hoyer's Gym BJJ Outside the current rating period
2026-06-07	Tariq El Kaoui	Loss	Evolve Grappling Championship Adults Nogi & Kids Gi	youth_ratings.formats.conflict · Kids / 10 & 11 years old / White & Grey / -30 & -34 & 8-9 years -42
Current estimated model contribution Rating influence This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ 0 This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Result Loss Format youth_ratings.formats.conflict Duration 00:26 Round 1 Score 0–0 Academy during event Hoyer's Gym BJJ Outside the current rating period
2026-05-09	Dempsey Makatita	Loss	Lion Cub Jiu Jitsu Competition 6	Gi · Kids GI / 10 years old (DAY 1: Saturday) / White belt / -34 kg
Opponent rating 1,334 Expected win chance 43% Current estimated model contribution Rating influence The stronger opponent reduces the negative influence. The evidence weight is lower because this athlete had 2 rated matches at this event. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ −37 The stronger opponent reduces the negative influence. The evidence weight is lower because this athlete had 2 rated matches at this event. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Opponent rating 1,334 Effective opponent evidence 8.5 Opponent rating status Established Expected win chance 43% Result Loss Format Gi Athlete’s Gi rating 6 rated matches · Established Evidence weight 0.84 Same-event matches 2 Meetings with this opponent 1 Duration 00:15 Round 2 Score 0–0 Academy during event Hoyer's Gym BJJ
2026-05-09	Liva Uffing	Win	Lion Cub Jiu Jitsu Competition 6	Gi · Kids GI / 10 years old (DAY 1: Saturday) / White belt / -34 kg
Opponent rating 1,103 Expected win chance 50% Current estimated model contribution Rating influence The win supports a higher rating, but less strongly because the athlete was favored. The evidence weight is lower because this athlete had 2 rated matches at this event. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ +25 The win supports a higher rating, but less strongly because the athlete was favored. The evidence weight is lower because this athlete had 2 rated matches at this event. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Opponent rating 1,103 Effective opponent evidence 4.5 Opponent rating status Established Expected win chance 50% Result Win Format Gi Athlete’s Gi rating 6 rated matches · Established Evidence weight 0.84 Same-event matches 2 Meetings with this opponent 1 Duration 03:00 Round 1 Score 11–7 Academy during event Hoyer's Gym BJJ
2026-03-22	Rey Lewis	Win	The Future League 9 - Gi & NoGi	Gi · Gi - 31
Opponent rating 1,305 Expected win chance 42% Current estimated model contribution Rating influence This win exceeded the model’s expectation, so it supports a higher rating. The evidence weight is lower because this athlete had 4 rated matches at this event. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ +38 This win exceeded the model’s expectation, so it supports a higher rating. The evidence weight is lower because this athlete had 4 rated matches at this event. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Opponent rating 1,305 Effective opponent evidence 5.7 Opponent rating status Established Expected win chance 42% Result Win Format Gi Athlete’s Gi rating 6 rated matches · Established Evidence weight 0.71 Same-event matches 4 Meetings with this opponent 1 Duration 03:00 Round 4 Score 12–5 Academy during event Hoyer's Gym BJJ
2026-03-22	Mateo Giesen	Win	The Future League 9 - Gi & NoGi	Gi · Gi - 31
Opponent rating 1,141 Expected win chance 51% Current estimated model contribution Rating influence The win supports a higher rating, but less strongly because the athlete was favored. The evidence weight is lower because this athlete had 4 rated matches at this event. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ +23 The win supports a higher rating, but less strongly because the athlete was favored. The evidence weight is lower because this athlete had 4 rated matches at this event. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Opponent rating 1,141 Effective opponent evidence 5.2 Opponent rating status Established Expected win chance 51% Result Win Format Gi Athlete’s Gi rating 6 rated matches · Established Evidence weight 0.71 Same-event matches 4 Meetings with this opponent 1 Duration 03:00 Round 4 Score 15–0 Academy during event Hoyer's Gym BJJ
2026-03-22	Maxwell Nendissa	Loss	The Future League 9 - Gi & NoGi	Gi · Gi - 31
Opponent rating 1,200 Expected win chance 58% Current estimated model contribution Rating influence The loss weighs more negatively because the athlete was favored. The evidence weight is lower because this athlete had 4 rated matches at this event. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ −38 The loss weighs more negatively because the athlete was favored. The evidence weight is lower because this athlete had 4 rated matches at this event. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Opponent rating 1,200 Effective opponent evidence 5.2 Opponent rating status Established Expected win chance 58% Result Loss Format Gi Athlete’s Gi rating 6 rated matches · Established Evidence weight 0.71 Same-event matches 4 Meetings with this opponent 1 Duration 01:26 Round 2 Score 2–5 Academy during event Hoyer's Gym BJJ
2026-03-22	Faye Vermin	Loss	The Future League 9 - Gi & NoGi	Gi · Gi - 31
Opponent rating 1,422 Expected win chance 33% Current estimated model contribution Rating influence The stronger opponent reduces the negative influence. The evidence weight is lower because this athlete had 4 rated matches at this event. This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Current rating influence ≈ −19 The stronger opponent reduces the negative influence. The evidence weight is lower because this athlete had 4 rated matches at this event. Calculation details This number estimates how much the published Overall rating would differ if this match were omitted. It is not a points transaction and cannot be added to other matches. Later results can change this estimate when the model learns more about either athlete. Opponent rating 1,422 Effective opponent evidence 7.4 Opponent rating status Established Expected win chance 33% Result Loss Format Gi Athlete’s Gi rating 6 rated matches · Established Evidence weight 0.71 Same-event matches 4 Meetings with this opponent 1 Duration 00:50 Round 1 Score 0–6 Academy during event Hoyer's Gym BJJ