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Bayram-Koray Zümrütcü

Sticks&Stones Martial Arts

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

Honours

Medals and placements

Gold
2
Silver
3
Bronze
0
Total medals
5
Events with results
5

Full career record

Wins
3
Losses
0
Matches
3
Win rate
100.0%

Ways of winning

Submission
2
Points
0
Decision
0
Disqualification
0
Other recorded result
1

Personal records

Longest winning streak
3
Longest submission streak
2
Longest gold streak
2

Recent recorded placements

  1. COLOGNE SUMMER OPEN CHAMPIONSHIP 2025 | EUROPEAN CUP

    DE Event record 0–0

    • Silver
    • Silver

  2. BJJ Dutch Open NO-GI 2025

    NL Event record 0–0

    • Place 17

  5. HANNOVER SPRING OPEN 2025 I EUROPEAN CUP

    DE Event record 0–0

    • Place 5
    • Silver

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
3
Unique opponents
2
Distinct events
0

Ways of winning

  • Submission 0
  • Points 0
  • Decision 0
  • Other recorded result 0

Gi versus No-Gi

Gi

Rating
-
Record
-
Win rate
-
Submission share
-

No-Gi

Rating
-
Record
-
Win rate
-
Submission share
-

Win quality

Grouped by pre-match win probability. This provides context and does not award an extra rating bonus.

As underdog 0–0 Less than 35% expected win probability before the match.
Even match 0–0 Between 35% and 65% expected win probability before the match.
As favourite 0–0 More than 65% expected win probability before the match.

Development

Rating and development

The same published rating, supported by trend, opponent strength and evidence quality.

Current rating
-
Change over 90 days
-
Highest rating in 12 months
1,318
Performance versus expectation
-
Schedule strength
-
Average opponent rating
-
Weighted win rate
-
Expected win rate
-
Repeat-opponent share
-
Effective evidence
-
Confidence
-

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Rematches 2–0 2–0 across 2 rematches against 1 repeat opponents.

Rivals

Opponent Head-to-head record Matches
Kassem Kheder 2–0 2

Recent tournaments

  1. COLOGNE SUMMER OPEN CHAMPIONSHIP 2025 | EUROPEAN CUP

    July 5, 2025
    Gi / No-Gi 0–0

  2. BJJ Dutch Open NO-GI 2025

    June 14, 2025
    No-Gi 0–0

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.

May 2026 No new matches · 1 left period Change -61 Rating 1,260

Rating-period composition

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

1 older matches left the 12-month period: 1 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

April 2026 No new matches Change 0 Rating 1,321

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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 1,321

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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 1,321

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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 1,322

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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 -1 Rating 1,322

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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 No new matches Change 0 Rating 1,323

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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.

October 2025 No new matches Change 0 Rating 1,323

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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.

September 2025 No new matches Change +5 Rating 1,323

Rating-period composition

Rating matches
3 0
Record
3–0 Previous month 3–0
Opponents
2 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.

Relevant matches
-
Official ranking percentile
-
Performance
-

- weighted matches against - different opponents across 0 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
-
Repeated-opponent share
-
Network connectivity
-