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CZ

Jiří Nováček

BulletproofJJ

W–L
3–1
Won and lost rating-eligible matches in the past 12 months.
Gi
1,279
Rating based on Gi matches in the past 12 months.
No-Gi
1,217
Rating based on No-Gi matches in the past 12 months.
Current form
3–1
Results from the ten most recent rating-eligible matches.
Opponents
3
Unique opponents faced in rating-eligible matches in the past 12 months.

Tournament history

Events

6
Events
Date Event Result Format Division
TATAMY 20: PRAGUE - KIDS (round robin) CZ 0–0 W–L: Win / Loss Gi
  • Place #4
ADCC Czech National Championship 2025 CZ · No-Gi · 15–17 yo · ≤80 kg 1–1 W–L: Win / Loss No-Gi
  • Boys Junior / 15-17 years / Beginner / -80 kg
2025 AGF Prague Open CZ · Gi · white · ≤79.4 kg 2–0 W–L: Win / Loss GiNo-Gi
  • Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
  • Gold
GRIND 9 NO-GI & GI ROUND ROBIN with kids CZ 0–0 W–L: Win / Loss Gi
  • Bronze
TATAMY 13 KIDS (No-GI and GI round robin) CZ 0–0 W–L: Win / Loss Gi
  • Silver
TATAMY 11 (No-GI and GI round robin) CZ 0–0 W–L: Win / Loss Gi
  • Gold

Calculation details

Rating breakdown for the past 12 months

See the published month-end rating and the rating-eligible matches added in each month. Open a month for details.

August 2026 No new matches Change +1 Rating 1,328

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

July 2026 No new matches Change 0 Rating 1,327

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

June 2026 No new matches Change 0 Rating 1,327

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

May 2026 No new matches Change -1 Rating 1,327

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

April 2026 No new matches Change 0 Rating 1,328

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

March 2026 No new matches Change 0 Rating 1,328

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

February 2026 No new matches Change +1 Rating 1,328

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

January 2026 No new matches Change 0 Rating 1,327

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

December 2025 No new matches Change +9 Rating 1,327

Rating-period composition

Rating matches
4 0
Record
3–1 Previous month 3–1
Opponents
3 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

November 2025 2 new matches Change +62 Rating 1,318

Rating-period composition

Rating matches
4 +2
Record
3–1 Previous month 2–0
Opponents
3 +2
Events
2 +1

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.
Loss
November 23, 2025 Štěpán Kroupa
ADCC Czech National Championship 2025 Boys Junior / 15-17 years / Beginner / -80 kg
Method Points 05:00 0–4
Marginal influence -31
Win
November 23, 2025 Marek Sulzer
ADCC Czech National Championship 2025 Boys Junior / 15-17 years / Beginner / -80 kg
Method Points 05:00 7–0
Marginal influence +9
October 2025 No new matches Change 0 Rating 1,256

Rating-period composition

Rating matches
2 0
Record
2–0 Previous month 2–0
Opponents
1 0
Events
1 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

September 2025 2 new matches Change Starting point Rating 1,256

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.
Win
September 27, 2025 Nicolas Valenta
2025 AGF Prague Open Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
Method Points 05:00 13–4
Marginal influence +21
Win
September 27, 2025 Nicolas Valenta
2025 AGF Prague Open Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
Method Points 05:00 1–0
Marginal influence +21
Relevant matches
2.9
Official ranking percentile
-
Performance
-

2.9 weighted matches against 3 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,289
Repeated-opponent share
25.0%
Network connectivity
80.9%

Classification evidence

Why U18?

Within the published period from 2025-09-01 through 2026-08-31, only competition ages recorded at events in the calculation year determine this outcome, with at most one vote per event. Without such an age, the most recent unambiguous earlier competition age is projected to the calculation year; bracket evidence is the final fallback. The newest evidence breaks a tie.

Evidence outcome

  • U18 1 event vote Selected outcome

Registrations and outcomes

2026 AGF Czech Championships
Does not count
No Gi Juveniles / Adults / Male / Adult (18+) / White / Light (Up to 79.40 kg)
  • Competition age 18
Gi Juveniles / Adults / Male / Adult (18+) / White / Light (Up to 79.40 kg)
  • Competition age 18
HEROES GATE GRAPPLING 1 (KIDS)
Does not count
Kids / Gi / 15-18 years / Boys / White/grey belt / -80 kg
  • Competition age 18
Kids / No-Gi / 15-18 years / Boys / Beginner / -80 kg
  • Competition age 18
HEROES GATE GRAPPLING 1 (ADULTS)
Does not count
Adult / Combat Grappling / Male / Beginner / Adults / -77 kg
  • Competition age 18
Adult / Gi / Male / White belt / Adults / -77 kg
  • Competition age 18
Adult / No-Gi / Male / Beginner / Adults / -77 kg
  • Competition age 18
Grappling Industries PRAGUE
Does not count
No Gi Adult / Male / Beginner (White) / Adult / -170 lbs
  • Competition age 18
Gi Adult / Male / White / Adult / -170 lbs
  • Competition age 18
GRIND 13 Adults (NO-GI & GI ROUND ROBIN)
Does not count
Gi / Male / White / Adult / -78 kg
  • Competition age 18
TATAMY 20: PRAGUE - KIDS (round robin)
Does not count
Coach / Coach
  • Competition age 18
Kids / Gi / 15-18 years / Boys / White/grey belt / -80 kg
  • Competition age 18
GRIND 12 Adults (NO-GI & GI ROUND ROBIN)
Does not count
Gi / Male / White / Adult / -78 kg
  • Competition age 18
ADCC Czech National Championship 2025
Does not count
Boys Junior / 15-17 years / Beginner / -80 kg
  • Competition age 17
TATAMY 17 KIDS (No-GI and GI round robin)
Does not count
Kids / Gi / 15-18 years / Boys / White/grey belt / -75 kg
  • Competition age 17
Kids / No Gi / 15-18 years / Boys / Beginner / -75 kg
  • Competition age 17
2025 AGF Prague Open
U18 · Counts
Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
  • Competition age 17
  • Registered age: u18
  • Source category: u18
No Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
  • Competition age 17
TATAMY 16 KIDS (No-GI and GI round robin)
Does not count
Kids / No Gi / 15-18 years / Boys / Beginner / -80 kg
  • Competition age 17

Classification evidence

Why ≤ 79 kg?

This outcome uses at most one unambiguous upper weight limit per completed ranking event from 2025-09-01 through 2026-08-31. Only the three most recent eligible events are considered, and the lightest verified upper limit is selected. A higher division is not treated as measured body weight.

Evidence outcome

  • ≤ 79 kg 1 competition event Selected outcome
  • ≤ 80 kg 1 competition event

Registrations and outcomes

2026 AGF Czech Championships
Does not count
No Gi Juveniles / Adults / Male / Adult (18+) / White / Light (Up to 79.40 kg)
  • Registered weight class: Light (Up to 79.40 kg)
  • Source competition limit: Light (Up to 79.40 kg)

No matches in the rating period · no valid weight evidence

2026 AGF Czech Championships
Does not count
Gi Juveniles / Adults / Male / Adult (18+) / White / Light (Up to 79.40 kg)
  • Registered weight class: Light (Up to 79.40 kg)
  • Source competition limit: Light (Up to 79.40 kg)

No matches in the rating period · no valid weight evidence

HEROES GATE GRAPPLING 1 (KIDS)
Does not count
Kids / Gi / 15-18 years / Boys / White/grey belt / -80 kg
  • Registered weight class: -80 kg
  • Source competition limit: -80 kg

No matches in the rating period · no valid weight evidence

HEROES GATE GRAPPLING 1 (KIDS)
Does not count
Kids / No-Gi / 15-18 years / Boys / Beginner / -80 kg
  • Registered weight class: -80 kg
  • Source competition limit: -80 kg

No matches in the rating period · no valid weight evidence

HEROES GATE GRAPPLING 1 (ADULTS)
Does not count
Adult / Combat Grappling / Male / Beginner / Adults / -77 kg
  • Registered weight class: -77 kg
  • Source competition limit: -77 kg

No matches in the rating period · no valid weight evidence

HEROES GATE GRAPPLING 1 (ADULTS)
Does not count
Adult / Gi / Male / White belt / Adults / -77 kg
  • Registered weight class: -77 kg
  • Source competition limit: -77 kg

No matches in the rating period · no valid weight evidence

HEROES GATE GRAPPLING 1 (ADULTS)
Does not count
Adult / No-Gi / Male / Beginner / Adults / -77 kg
  • Registered weight class: -77 kg
  • Source competition limit: -77 kg

No matches in the rating period · no valid weight evidence

Grappling Industries PRAGUE
Does not count
No Gi Adult / Male / Beginner (White) / Adult / -170 lbs
  • Registered weight class: -170 lbs
  • Source competition limit: -170 lbs

No matches in the rating period · no valid weight evidence

Grappling Industries PRAGUE
Does not count
Gi Adult / Male / White / Adult / -170 lbs
  • Registered weight class: -170 lbs
  • Source competition limit: -170 lbs

No matches in the rating period · no valid weight evidence

GRIND 13 Adults (NO-GI & GI ROUND ROBIN)
Does not count
Gi / Male / White / Adult / -78 kg
  • Registered weight class: -78 kg
  • Source competition limit: -78 kg

No matches in the rating period · no valid weight evidence

TATAMY 20: PRAGUE - KIDS (round robin)
Does not count
Coach / Coach

No matches in the rating period · no valid weight evidence

TATAMY 20: PRAGUE - KIDS (round robin)
Does not count
Kids / Gi / 15-18 years / Boys / White/grey belt / -80 kg
  • Registered weight class: -80 kg
  • Source competition limit: -80 kg

No matches in the rating period · no valid weight evidence

GRIND 12 Adults (NO-GI & GI ROUND ROBIN)
Does not count
Gi / Male / White / Adult / -78 kg
  • Registered weight class: -78 kg
  • Source competition limit: -78 kg

No matches in the rating period · no valid weight evidence

ADCC Czech National Championship 2025
≤ 80 kg · Counts as a competition event
Boys Junior / 15-17 years / Beginner / -80 kg
  • Registered weight class: -80 kg
  • Source competition limit: -80 kg

2 matches in the rating period

TATAMY 17 KIDS (No-GI and GI round robin)
Does not count
Kids / Gi / 15-18 years / Boys / White/grey belt / -75 kg
  • Registered weight class: -75 kg
  • Source competition limit: -75 kg

No matches in the rating period · no valid weight evidence

TATAMY 17 KIDS (No-GI and GI round robin)
Does not count
Kids / No Gi / 15-18 years / Boys / Beginner / -75 kg
  • Registered weight class: -75 kg
  • Source competition limit: -75 kg

No matches in the rating period · no valid weight evidence

2025 AGF Prague Open
≤ 79 kg · Counts as a competition event
Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
  • Registered weight class: Light (Up to 79.40 kg)
  • Source competition limit: Light (Up to 79.40 kg)

2 matches in the rating period

2025 AGF Prague Open
Does not count
No Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
  • Registered weight class: Light (Up to 79.40 kg)
  • Source competition limit: Light (Up to 79.40 kg)

No matches in the rating period · no valid weight evidence

TATAMY 16 KIDS (No-GI and GI round robin)
Does not count
Kids / No Gi / 15-18 years / Boys / Beginner / -80 kg
  • Registered weight class: -80 kg
  • Source competition limit: -80 kg

No matches in the rating period · no valid weight evidence

Classification evidence

Why White?

This outcome uses the belt category of every rating-eligible match from 2025-09-01 through 2026-08-31. The most-fought category is selected; the newest evidence breaks a tie.

Evidence outcome

  • white 2 matches in the rating period Selected outcome

Registrations and outcomes

2025 AGF Prague Open
white · Counts as a match
Gi Juveniles / Adults / Male / Juvenile / White / Light (Up to 79.40 kg)
  • Source belt category: white

2 matches in the rating period