Boy Kemper

Defender · Queens Park Rangers · 27 · Netherlands

Compare with others

Season score: 42.1; Championship 26/27, 4 matches
Last 5 weeks: 42.5; average of weeks with 60+ minutes
Market value: €1.0M; +€150k (+18%) since 2 Dec 2025; Transfermarkt, 28 May 2026

Photo: Steindy ( talk ) 23:00, 30 March 2017 (UTC), CC BY 3.0, via Wikimedia Commons

Born: 21 Jun 1999
Height: 185 cm
Foot: L
Contract until: 30 Jun 2026
Wikipedia views: 2,433 4 weeks

Wikipedia Wikidata Transfermarkt

Every week

1–7 Jul 2025 to 20–26 Oct 2026

30 of 69 weeks with 60+ minutes, averaging 44.2 (minutes-weighted); 1 of them 70 or better.

Form bars show the weekly score: no matchunder 60′under 4545–5555–7070+

Every week as a table

Week	Matches	Minutes	Score	Expected	Underlying
13–19 Oct 2026	2	168	41.5	44.8	44.6
6–12 Oct 2026	1	69	46.1	44.5	46.1
11–17 Aug 2026	1	20	33.7	44.4	33.5
4–10 Aug 2026	1	90	36.8	44.8	37.4
5–11 May 2026	1	90	45.2	44.6	36.5
28 Apr – 4 May 2026	1	90	44.7	44.4	44.7
21–27 Apr 2026	1	90	33.3	44.9	33.2
7–13 Apr 2026	1	90	36.6	45.3	36.8
31 Mar – 6 Apr 2026	1	90	32.1	46.1	32.0
17–23 Mar 2026	1	90	42.0	46.2	42.1
10–16 Mar 2026	1	90	45.6	46.1	47.1
3–9 Mar 2026	1	90	53.2	45.5	53.3
24 Feb – 2 Mar 2026	1	90	43.2	45.5	43.1
17–23 Feb 2026	1	90	28.6	46.5	28.8
10–16 Feb 2026	1	90	21.0	48.3	20.8
27 Jan – 2 Feb 2026	1	53	59.7	47.8	59.6
20–26 Jan 2026	1	90	53.3	47.3	46.7
13–19 Jan 2026	1	90	47.7	47.1	41.8
6–12 Jan 2026	1	85	36.7	47.8	37.6
16–22 Dec 2025	1	90	33.8	48.8	33.6
9–15 Dec 2025	1	90	34.1	50.0	34.7
2–8 Dec 2025	1	90	48.8	50.0	50.0
25 Nov – 1 Dec 2025	1	90	43.1	50.7	43.1
18–24 Nov 2025	1	90	36.5	52.0	37.5
4–10 Nov 2025	1	90	41.9	53.1	42.3
28 Oct – 3 Nov 2025	1	73	29.7	55.1	29.8
21–27 Oct 2025	1	90	53.8	55.5	53.8
30 Sep – 6 Oct 2025	1	90	63.1	55.0	63.4
23–29 Sep 2025	1	90	54.9	55.3	54.9
9–15 Sep 2025	1	90	82.8	51.9	82.9
26 Aug – 1 Sep 2025	1	90	64.6	50.0	64.8
19–25 Aug 2025	1	90	50.2	50.0	50.3

Against expectation

How it's expected

Each week's score beside what the player's earlier matches led to expect. Over the last 10 weeks with 60+ minutes: −4.8 a week below expectation.

Market value

Where these come from

Transfermarkt €1.0M +€150k (+18%) since 2 Dec 2025 28 May 2026 · its own valuation, revised a few times a year

Current estimate €1.1M no change recorded 22 Oct 2026 · BSD, seen when squads refresh

Next summer, if it goes like similar cases €667k–€1.2M −13% median of 40 similar past cases; players the same age −14% Closest cases, what their Transfermarkt value then did in a year: Celil Yüksel at 27 (€900k, scoring 42.0) −11%; Lucas Fernandes at 27 (€1.5M, scoring 42.4) −47%; Chima Okoroji at 27 (€1.0M, scoring 43.5) +0%.

Every value as a table

Date	Source	Value
22 Oct 2026	Current estimate (BSD)	€1.1M
28 May 2026	Transfermarkt	€1.0M
2 Dec 2025	Transfermarkt	€850k
28 May 2025	Transfermarkt	€850k
17 Dec 2024	Transfermarkt	€750k
14 Oct 2024	Transfermarkt	€650k
10 Jun 2024	Transfermarkt	€500k
8 Jan 2024	Transfermarkt	€500k
4 Jul 2023	Transfermarkt	€500k
23 Jun 2022	Transfermarkt	€450k
12 Jan 2022	Transfermarkt	€400k
12 Oct 2021	Transfermarkt	€375k
19 May 2021	Transfermarkt	€450k
14 Oct 2020	Transfermarkt	€400k
29 Jun 2020	Transfermarkt	€400k
3 Jul 2019	Transfermarkt	€150k
21 Jan 2019	Transfermarkt	€150k
29 Jun 2018	Transfermarkt	€150k
1 Mar 2018	Transfermarkt	€150k
18 Aug 2017	Transfermarkt	€50k

Two different estimates, so each is its own line and each change is measured within its own line.

Moves

All transfers

Date	Move	Fee
8 Aug 2026	NAC Breda Queens Park Rangers	First match
1 Jul 2026	NAC Breda QPR	Free
1 Jul 2023	ADO Den Haag NAC Breda	Free

What the score is made of

Championship 26/27: each part per 90 minutes against the average defender in the top five leagues (0), in standard deviations.

Shooting +1.44
Creating −0.06
Progressing +0.11
Keeping the ball −1.30
Defending +0.04
Aerial −0.78
Finishing −1.38

Attention

English Wikipedia views per week, the article and its redirects, last 52 weeks.

Plays most like

same position, last 12 months: the shape of their play, not its level

Player	Recent score	Value now	Likeness
Kristoffer Haugen Viking FK · 32	38.7	€650k	96%Compare
Leif Davis Ipswich Town · 26	45.0	€25.0M	91%Compare
Sidny Lopes Cabral Trabzonspor · 24	41.9	€10.0M	90%Compare
Kimito Nono DC United · 24	33.8	€1.2M	90%Compare
Emmanuel Longelo Motherwell · 25	34.6	€1.5M	90%Compare
Adrian Nilsen Pereira Rosenborg BK · 27	34.8	€1.0M	89%Compare

Recent score: the last six months. Cheaper: valued at less than 60% of Boy Kemper.

Seasons

Season	Competition	Team	Matches	Minutes	Score	Underlying
Championship 26/27	Championship	Queens Park Rangers	4	257	42.1	44.1
EFL Cup 26/27	EFL Cup	Queens Park Rangers	1	90	36.8	37.4
VriendenLoterij Eredivisie 25/26	Eredivisie	NAC Breda	28	2,461	44.9	44.4

Latest matches

33 since July 2025

Date	Competition	Opponent	Result	Min	Goals	Assists	xG	xA	Score
17 Oct 2026	Championship	at Birmingham City	L 0–3	96	0	0	0.77	0.04	39.4
14 Oct 2026	Championship	Derby County	W 4–1	72	0	1	–	0.17	44.2
9 Oct 2026	Championship	at West Ham United	D 1–1	69	0	0	–	0.01	46.1
15 Aug 2026	Championship	at Portsmouth	W 3–1	20	0	0	–	0.00	33.7
8 Aug 2026	EFL Cup	Millwall	D 1–1	90	0	0	–	–	36.8
11 May 2026	Eredivisie	SC Heerenveen	W 2–0	90	2	0	0.89	0.05	45.2
2 May 2026	Eredivisie	at FC Utrecht	L 0–2	90	0	0	–	0.12	44.7
25 Apr 2026	Eredivisie	AFC Ajax	L 0–2	90	0	0	–	0.03	33.3
12 Apr 2026	Eredivisie	at Fortuna Sittard	D 1–1	90	0	0	0.05	0.14	36.6
5 Apr 2026	Eredivisie	Sparta Rotterdam	D 0–0	90	0	0	–	0.06	32.1

All 33 matches

Date	Competition	Opponent	Result	Min	Goals	Assists	xG	xA	Score
17 Oct 2026	Championship	at Birmingham City	L 0–3	96	0	0	0.77	0.04	39.4
14 Oct 2026	Championship	Derby County	W 4–1	72	0	1	–	0.17	44.2
9 Oct 2026	Championship	at West Ham United	D 1–1	69	0	0	–	0.01	46.1
15 Aug 2026	Championship	at Portsmouth	W 3–1	20	0	0	–	0.00	33.7
8 Aug 2026	EFL Cup	Millwall	D 1–1	90	0	0	–	–	36.8
11 May 2026	Eredivisie	SC Heerenveen	W 2–0	90	2	0	0.89	0.05	45.2
2 May 2026	Eredivisie	at FC Utrecht	L 0–2	90	0	0	–	0.12	44.7
25 Apr 2026	Eredivisie	AFC Ajax	L 0–2	90	0	0	–	0.03	33.3
12 Apr 2026	Eredivisie	at Fortuna Sittard	D 1–1	90	0	0	0.05	0.14	36.6
5 Apr 2026	Eredivisie	Sparta Rotterdam	D 0–0	90	0	0	–	0.06	32.1
21 Mar 2026	Eredivisie	at PEC Zwolle	L 1–2	90	0	0	0.03	0.26	42.0
15 Mar 2026	Eredivisie	at Go Ahead Eagles	L 0–6	90	0	0	0.21	0.16	45.6
8 Mar 2026	Eredivisie	Feyenoord	D 3–3	90	0	1	0.02	0.13	53.2
27 Feb 2026	Eredivisie	at SC Telstar	L 0–3	90	0	0	–	0.18	43.2
21 Feb 2026	Eredivisie	FC Volendam	W 1–0	90	0	0	0.06	0.03	28.6
14 Feb 2026	Eredivisie	at Heracles Almelo	W 1–0	90	0	0	–	0.18	21.0
30 Jan 2026	Eredivisie	FC Twente	D 2–2	53	0	0	–	0.02	59.7
24 Jan 2026	Eredivisie	at PSV Eindhoven	D 2–2	90	1	0	0.16	0.01	53.3
17 Jan 2026	Eredivisie	NEC Nijmegen	L 3–4	90	1	0	0.25	0.06	47.7
10 Jan 2026	Eredivisie	at FC Groningen	D 0–0	85	0	0	0.12	0.01	36.7
20 Dec 2025	Eredivisie	SC Telstar	L 0–1	90	0	0	–	0.04	33.8
14 Dec 2025	Eredivisie	FC Utrecht	D 1–1	90	0	0	0.09	0.11	34.1
7 Dec 2025	Eredivisie	at Sparta Rotterdam	L 0–1	90	0	0	0.15	0.56	48.8
29 Nov 2025	Eredivisie	at Excelsior	L 0–1	90	0	0	–	0.09	43.1
22 Nov 2025	Eredivisie	PSV Eindhoven	L 0–1	90	0	0	0.15	0.09	36.5
8 Nov 2025	Eredivisie	at FC Volendam	L 1–2	90	0	0	0.07	0.09	41.9
1 Nov 2025	Eredivisie	Go Ahead Eagles	W 1–0	73	0	0	0.03	0.13	29.7
24 Oct 2025	Eredivisie	at SC Heerenveen	D 3–3	90	0	0	–	0.05	53.8
3 Oct 2025	Eredivisie	FC Groningen	L 1–2	90	0	0	0.03	0.05	63.1
27 Sep 2025	Eredivisie	at AFC Ajax	L 1–2	90	0	0	–	0.17	54.9
13 Sep 2025	Eredivisie	at FC Twente	D 2–2	90	0	1	–	0.08	82.8
31 Aug 2025	Eredivisie	AZ Alkmaar	L 0–1	90	0	0	0.02	0.03	64.6
24 Aug 2025	Eredivisie	at NEC Nijmegen	L 0–3	90	0	0	0.02	0.06	50.2