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Jefferson Nascimento

Welterweight · REAL v1.0 (registered) #56; v1.1 (shadow) #53

Descriptive profile. The resume rank is what has been earned; these statistics are context, not a prediction. A test on Oct 20, 2026 found that career statistics add nothing reliable to age, layoff and experience as predictors of the next result (experiments/REGISTER.md, EXP-2026-10-20-14).

Weight band 52-57: the 10th to 90th percentile of his position across weight vectors drawn near the 70/30 weights. Rating 1,455, deviation 291: measured from 1 UFC bout; a one-bout newcomer sits near 290. Provisional: 1 UFC bout; the rating rests on little evidence.

Age 27 (born 1998-11-19) · Height 5 ft 8 in (173 cm) · Reach 70 in (178 cm) · Stance Orthodox · 127 days since last bout (2026-06-27) · Last five 0-1 · Streak L1

Why he is ranked here

Rating 1,455 is the division's 68th highest of 76 board fighters; the ledger stands at -1.0 (less 1.0 for other losses outside the top 5; losses count for three years); 0 quality wins in 15 years, 0 over top-10 opponents; no form penalty (0-1 last five). Score -0.29 = -0.29 (rating term, 70% weight) +0.00 (ledger term, 30% weight) -0.00 (form penalty); score order put him at #56.

TermValueDetail
Score-0.2970% rating term + 30% ledger term - form penalty
Rating term-0.29resume rating 1,455, scaled against the division's interdecile range
Ledger term+0.00quality ledger -1.0: +0.0 QW +0.0 proof -0.0 blowout -1.0 weak
Form penalty0.00last five 0-1
Quality wins, 15 years00 over top-10 opponents, 0 over top-15
Placementscore order #56v1.0 (registered)
Shadow board v1.1#53score -0.39; score order #53

Rules, weights and worked examples: methodology.

All 1 UFC bout

DateEventOpponentOpp. official rankResultMethodRoundModel p
2026-06-27UFC Fight Night: Fiziev vs. TorresTahir AbdullayevunrankedLKO/TKO3 (4:28)50%

Opp. official rank = the UFC media-panel rank of the opponent on the date (C champion, #1 to #15, unranked; n/a before Feb 2013 or where no official board existed). Model p = the predictive model's pre-fight win chance for him (frozen performance-adjusted Elo; bouts before 2020 were in its tuning sample). Linked opponents have a profile.

Career statistics

Through 2026-10-31, UFC bouts only. Percentile = share of the 76 board fighters at Welterweight at or below this value; high is a position in the division, not a verdict.

Output
Significant strikes landed per minute2.42(8th percentile at Welterweight)
Significant strike accuracy49%(45th percentile at Welterweight)
Knockdowns scored per 15 minutes0.00(32nd percentile at Welterweight)
Share of wins by finishn/a
Defence and damage
Significant strikes absorbed per minute2.56(24th percentile at Welterweight)
Significant strike defence57%(75th percentile at Welterweight)
Knockdowns suffered per 15 minutes0.00(42nd percentile at Welterweight)
Significant strikes absorbed, career37(13th percentile at Welterweight)
KO/TKO losses1 (last 2026-06-27, 127 days ago)(70th percentile at Welterweight)
Submission losses0(66th percentile at Welterweight)
KO/TKO losses per bout over 10 years, each weighted down by the finisher's danger0.425(97th percentile at Welterweight)
Grappling
Takedowns landed per 15 minutes0.00(24th percentile at Welterweight)
Takedown defence67%(54th percentile at Welterweight)
Share of cage time in control4%(16th percentile at Welterweight)
Share of significant strikes landed in the clinch or on the ground6%(11th percentile at Welterweight)
Stylestriker (1.0 takedown attempts per 15 min; 4% control)
Career stage
Age28.0(12th percentile at Welterweight)
Age at UFC debut27.6(47th percentile at Welterweight)
Years since UFC debut0.3(11th percentile at Welterweight)
UFC bouts1(14th percentile at Welterweight)
Cage time, minutes14(14th percentile at Welterweight)
Bouts per year, last three years1.0(29th percentile at Welterweight)
Days since last bout127(58th percentile at Welterweight)

Board position since Oct 2023

C2040608020252026Oct 2023Oct 20262026-07-10: #65, Welterweight2026-07-17: #66, Welterweight2026-07-24: #66, Welterweight2026-07-31: #65, Welterweight2026-08-07: #63, Welterweight2026-08-14: #62, Welterweight2026-08-21: #61, Welterweight2026-08-28: #61, Welterweight2026-09-04: #62, Welterweight2026-09-11: #61, Welterweight2026-09-18: #60, Welterweight2026-09-25: #60, Welterweight2026-09-26: #59, Welterweight2026-10-03: #62, Welterweight2026-10-10: #61, Welterweight2026-10-17: #61, Welterweight2026-10-24: #60, Welterweight2026-10-31: #56, Welterweight#56

Position on the registered v1.0 board at each weekly snapshot (C = title holder or reserved, drawn at the top; lower is better). Absent from 114 of 132 snapshots (gaps in the line).

Predictive rating by bout

1,4501,500Jun 2026Oct 20262026-06-27: 1,477 (L vs Tahir Abdullayev)1,477

Rating after each UFC bout from the frozen predictive model (performance-adjusted Elo, data/processed/elo_history.csv; a debut starts at 1,500). The resume rating's history is not stored, so this is the predictive line, which is a different number from the resume rating in the header.

Trajectory

No trajectory index: it needs three decided UFC bouts and a bout within the last three years (config/decline.yaml).

Context flags

Descriptive only. Each line is a population fact about fighters like him, not a forecast for him; the register entries hold the measurements.

REAL v1.0 (registered method) · build c166ee8 · data through 2026-10-31 · page built 2026-11-06 · changelog. Independent fan research project built on public UFCStats data. Not affiliated with, sponsored or endorsed by UFC, Zuffa, LLC, TKO Group Holdings, or any athlete. All trademarks belong to their owners and are used only to identify athletes and events.