Sailor · 2019–2025

Randolf Kobus

watersport vereniging zeewolde Handicap Formula 18 ORC handicap

Search sailors · About these ratings

Events: 6
Win rate: 0%
Podium rate: 0%
Typically beats: 79%

Nemesis: Wik Becker
Best day: 12 Sep 2021
Signature result: 21st of 149

Partnerships · 7 sailors

Rinze Vallinga · Randolf KOBUS · Handicap 2events 0 wins together · 0 podiums · 2 events · 0 of 6 races won Beat 83% of the fleet together · best 7th · Oct 2022 – Oct 2024
Redmar Bos · Face2Face · ORC handicap 1events 0 wins together · 0 podiums · 1 events · 1 of 7 races won Beat 84% of the fleet together · best 4th · Sep 2021 – Sep 2021
Rinus Bos · Face2Face · ORC handicap 1events 0 wins together · 0 podiums · 1 events · 1 of 7 races won Beat 84% of the fleet together · best 4th · Sep 2021 – Sep 2021
Hans Kieft · Infusion MKII · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 11 races won Beat 87% of the fleet together · best 21st · Jun 2019 – Jun 2019
Mady-Ann van Doornik · Face2Face · ORC handicap 1events 0 wins together · 0 podiums · 1 events · 1 of 7 races won Beat 84% of the fleet together · best 4th · Sep 2021 – Sep 2021
Sietske Snoeck · Femme Fatale · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 50% of the fleet together · best 10th · Apr 2025 – Apr 2025
Sander Mulder · Nacra Infusion MKII · Formula 18 1events 0 wins together · 0 podiums · 1 events · 0 of 6 races won Beat 13% of the fleet together · best 14th · Sep 2023 – Sep 2023

Lift shows how much better this sailor finishes with that partner aboard.

Rating history

— Helm rating, all classes · - - Crew rating, all classes

Event history · 6

Date	Event	Boat	Class	Role	Finish
26 Apr 2025	50 Mijl - Shorthanded	Femme Fatale	Handicap	Crew	10th / 19
12 Oct 2024	Ronde Tiengemeten 2024	Randolf KOBUS	Handicap	Skipper	7th / 46
15 Sep 2023	2023 Open Dutch Championships Finn, Dart 18, F18 Class Event F16	Nacra Infusion MKII	Formula 18	Skipper	14th / 16
8 Oct 2022	Ronde Tiengemeten	Randolf KOBUS	Handicap	Skipper	10th / 46
10 Sep 2021	Zuiderzee Regatta 2021	Face2Face	ORC handicap	Crew	4th / 20
19 Jun 2019	Sailing week Round Texel	Infusion MKII	Handicap	Crew	21st / 149

Ratings

Class	Rating	Rank	Impact
All classes Crew	62 provisional	#33199 band 17031–51253	—
All classes Helm	-99 provisional	#68443 band 49769–78517	—

1 more class, not yet ranked

Formula 18 · Helm · 6 races, 1 event · rating -130

Rank among sailors with a substantial record, all time. In brackets, the ranks this rating cannot be told apart from. Impact is the points of fleet beaten that this sailor adds.

Helm and crew

As helm	3 events	0 wins	beats 60%
As crew	3 events	0 wins	beats 74%

How they race

Closer	+10 pts	last race of an event vs. the rest
Comeback	−25 pts	the race after a bottom-half finish
Big fleets	84%	of the fleet beaten

Head to head

Helm	Races	W–L
Wik Becker	23	0–23
Arjan Baas	22	0–11
Hans van Dam	18	0–7
Teuntje van Es	17	2–4
Eric de Haas	17	0–16
Roland van Balkom	14	1–7
Sünko Schröder	13	2–0
Rolph Spaas	13	4–9
Cees de Wit	13	2–0
Maud van Toorenburg	12	6–6
John Cardol	12	1–0
Xander Pols	12	1–0

Most-beaten opponent: Sünko Schröder (2–0).

Seasons

Year	Events	Beat
2025	1	50%
2024	1	87%
2023	1	13%
2022	1	80%
2021	1	84%
2019	1	87%

Boats

Randolf KOBUS · Handicap · 2 events · 2022–2024
Femme Fatale · Handicap · 1 events · 2025
Nacra Infusion MKII · Formula 18 · 1 events · 2023
Face2Face · ORC handicap · 1 events · 2021
Infusion MKII · Handicap · 1 events · 2019

Where they race

Unknown · 6 events

Is this you?

Claim it to merge duplicates and remove results that aren’t yours. Changes apply at the nightly rebuild.

Crew rating across all classes: 62, #33,199.Helm rating across all classes: -99, #68,443. Compiled from public results; not an official ranking.