Player dossier

Premiership · 2025/2026

Sivert Heltne Nilsen

Defensive midfielder

Team: Aberdeen
Role: Defensive midfielder
Nationality: Norway
Date of birth: 02 Oct 1991 (age 34)
Shirt number: 6
Competition: Premiership (Scotland)
Season: 2025/2026

All players

01 / Record

Performance summary

14 appearances · 667 minutesDeveloping sampleAll figures cover completed fixtures in this season only.

Player recordCompleted fixtures

Appearances: 14
Starts: 6
Minutes: 667
Average rating: 6.71
Goals: 1
Assists: 0
Yellow cards: 3
Red cards: Not available

02 / Telemetry

Per-90 statistics

Season totals scaled to 90 minutes played. Metrics the provider did not record are marked as not available rather than zero.

Per-90 data sheetSeason to date

Per-90 statistics
Metric	Per 90
Touches per 90	61.93
Passes per 90	46.96
Accurate passes per 90	37.51
Passes in final third per 90	5.53
Key passes per 90	0.13
Chances created per 90	0.13
Shots per 90	0.13
Shots on target per 90	0.13
Successful dribbles per 90	0.27
Tackles per 90	2.43
Interceptions per 90	1.35
Clearances per 90	2.97
Ball recoveries per 90	4.32
Duels per 90	13.22
Goals per 90	0.13
Assists per 90	Not available
Possession lost per 90	10.79
Saves per 90	Not available
Saves inside box per 90	Not available
Goals conceded per 90	1.35

03 / Telemetry

Efficiency

Success rates computed only where both the numerator and the denominator exist.

Efficiency data sheetSuccess rates

Efficiency rates
Metric	Rate
Pass accuracy	79.9%
Dribble success rate	66.7%
Duel win rate	50.0%
Aerial duel win rate	61.5%
Tackle success rate	50.0%
Shot on target rate	100.0%
Long ball accuracy	33.3%

04 / Role telemetry

Performance profile

Percentiles compare this player with others in the same role and season. Only families relevant to defensive midfielder are shown.

Role-relative telemetryPercentile 0-100

Compared with Defensive midfielder players in this season47 in reference group

Passing49.3pctl
Ball retention60.6pctl
Defensive62.8pctl
Duel43.2pctl
Creation2.2pctl
Dribbling60.6pctl
Shooting44.1pctl

05 / Intelligence

Player Intelligence

Experimental in-house signals derived from completed fixtures only. They describe what the data shows — they are not official ratings, and they are not predictions.

Performance telemetryExperimental signals

Efficiency Index

62.2/ 100

Above average

Useful output divided by relevant attempted actions, weighted for the player's role.

Coverage 100%

Opposition Index

48.3/ 100

Balanced schedule

Minutes-weighted strength of the opponents actually faced. Context only — it does not adjust the Impact Score.

14 rated opponents

Momentum Index

65.6/ 100

Rising form

Last 2 scored matches 53.4 vs earlier 45.6 (+7.8).

Breakout Index

60.4/ 100

Upward signal

Signal, not a prediction: recent impact, minutes and starting involvement, read against role-relative standing and opponent strength.

Minutes −11Starts −13pp

Decline Index

39.6/ 100

No decline signal

The same development axis read downwards. A signal of sustained negative movement, not a prediction.

10 scored matches

Final-third profile

Per-90 attacking output from fields the provider actually records. Expected goals, expected assists and spatial metrics are not available in this data and are not estimated.

Final-third profile per 90
Metric	Per 90
Passes in final third per 90	5.53
Key passes per 90	0.13
Chances created per 90	0.13
Big chances created per 90	Not available
Crosses per 90	0.13
Shots per 90	0.13
Successful dribbles per 90	0.27

Team effect

Observational, not causal: team points per completed fixture with and without this player in the starting eleven.

Started6 fixtures0.67pts/match

Did not start32 fixtures1.13pts/match

Difference: −0.46 points per match. This is a description of results only and does not establish that the player caused them.

Efficiency Index components

Pass accuracyweight 35%: 79.9%
Duel win rateweight 25%: 50.0%
Tackle success rateweight 25%: 50.0%
Aerial duel win rateweight 15%: 61.5%

05.1 / Player telemetry · ProfilePercentile 0-100

Role-relative percentiles from the 2025/2026 season. Only metrics relevant to this player's role are shown.

Role-relative percentile values plotted in the profile chart for 2025/2026
Family	Percentile
Passing	49.3
Ball retention	60.6
Defensive	62.8
Duel	43.2
Creation	2.2
Dribbling	60.6
Shooting	44.1

Dashed ring marks the defensive midfielder median (50th percentile) across 47 players in the reference group.

06 / Performance index

Football Performance Lab Impact Score

Performance indexExperimental assessment

49.1/ 100

Assessment

Developing-sample estimate

14 appearances · 667 minutes

Experimental modelCoverage 100%Developing sample

Based on available match data — 14 appearances · 667 minutes as defensive midfielder.

Component breakdown

Duelweight 20%: 43.2
Passingweight 25%: 49.3
Creationweight 10%: 2.2
Defensiveweight 30%: 62.8
Ball retentionweight 15%: 60.6

An experimental in-house model based on available match data. It weights role-relative percentile families and is not an official rating, a definitive measure of player quality, or a prediction.

07 / Match record

Match history

Completed fixtures with recorded minutes, most recent first.

Match recordMost recent first

Recent completed matches with minutes and output
Date	Opponent	Venue	Min	Rating	G	YC	Impact
14 Mar 2026	Falkirk1–1	Home	6sub	6.48	0	0	—
04 Mar 2026	Celtic1–2	Home	62	6.56	0	1	50.8
28 Feb 2026	Hearts0–1	Away	44sub	7.16	0	0	56.0
24 Feb 2026	Dundee United0–0	Away	46sub	6.64	0	0	32.2
31 Jan 2026	Kilmarnock0–3	Away	55sub	6.74	0	0	68.6
24 Jan 2026	Livingston6–2	Home	18sub	7.62	1	0	—
03 Jan 2026	Falkirk0–1	Away	55sub	6.64	0	1	69.4
03 Dec 2025	St. Mirren3–3	Home	1sub	—	0	0	—
30 Nov 2025	Livingston1–0	Away	65	6.80	0	0	40.0
05 Oct 2025	Dundee4–0	Home	22sub	6.69	0	0	—
23 Sept 2025	Dundee United0–2	Away	67	6.31	0	0	48.4
13 Sept 2025	Livingston0–0	Home	67	6.69	0	0	51.7
10 Aug 2025	Celtic0–2	Home	90	6.03	0	1	5.3
04 Aug 2025	Hearts0–2	Away	69	6.91	0	0	49.0

Goals, assists and yellow cards are counted from recorded match events, so a 0 means the event did not occur. A dash means the provider sent no value — it never means zero. Match impact is only shown for appearances of at least 30 minutes with sufficient metric coverage.

08 / Season archive

Season context

Competition: Premiership
Season: 2025/2026
Team: Aberdeen
Appearances: 14
Minutes: 667
Average opponent strength: 48.3Minutes-weighted, 0–100 team strength scale. Contextual only — it does not adjust the scores above.

Recent opponents: Falkirk, Celtic, Hearts, Dundee United, Kilmarnock, Livingston.

09 / Season on season

Season on season

Stored season figures for this season next to the previous season of the same competition. Presentation only — no new score is calculated.

No comparable previous season is recorded for this player in this competition.

A comparison is shown only when this player has a published season record in both this season and the previous season of the same competition.

10 / Cross-reference

Compare similar players

Players with a comparable Impact Score profile
Player	Team	Role	Impact	Compare
Mahamadou Susoho	Livingston	Defensive midfielder	49.4	Compare
Afeez Aremu	Aberdeen	Defensive midfielder	47.9	Compare
Dante Polvara	Aberdeen	Defensive midfielder	50.4	Compare
Mohamad Sylla	Livingston	Defensive midfielder	47.5	Compare
Dylan Tait	Falkirk	Defensive midfielder	47.2	Compare

Comparable players share the same season and, where possible, the same role, ranked by how close their existing Impact Score is. No new metric is calculated here.

11 / Method

Methodology

Data source

Match, lineup, event and player statistics come from Sportmonks and are stored per fixture. Only completed fixtures with recorded minutes are aggregated — announced lineups and future fixtures are excluded.

Per 90 minutes

A per-90 value scales a season total to a full match: total × 90 ÷ minutes played. It is not calculated when minutes are missing or zero.

Missing data

The provider omits some statistics instead of sending a zero. A missing value is shown as "not available" and never converted to 0, so rates and percentiles are only produced where the underlying fields genuinely exist.

Impact Score

The Football Performance Lab Impact Score is an experimental in-house model that combines role-relative percentile families with explicit weights. It is not an official rating and not a measure of transfer value.

Minimum samples

Values are calculated internally from 180 minutes, but a player is only shown publicly with a ranked Impact Score from 360 minutes and 5 appearances, with at least 90% metric coverage and an established role. A single appearance contributes a match impact observation from 30 minutes.

Full methodology