Skip to content

Sailor · 2017–2026

Roger Stoller

thunersee yachtclub tyc Dolphin 81HandicapJ/70

Search sailors · About these ratings

Events
27

117 races · 10 race wins

Win rate
4%

4% win rate · 1 of 27

Podium rate
26%

7 top-three finishes

Typically beats
44%

of boats faced (range 41%–48%, 453 boats)

Best class ranking
#15

Crew in Dolphin 81 · rating 221

Longest win streak
2

race wins in a row

Most successful partnership
Lorenz Nydegger

1 wins · 5 podiums in 20 events together · 5% win rate

Best trio
Olivier Aebi & Lorenz Nydegger

1 wins · 4 podiums in 16 events, all three aboard

Biggest lift
Michel Pürro

+26 points of fleet beaten when sailing together

Longest-running crew
Michel Pürro

Nov 2017 – Apr 2026 · 21 events

Nemesis
Lorenz Mueller

8–37 head to head in 46 races

Rival
Christoph Schenker

22–26 in 49 races

Best day
18 Aug 2018

3-2-1-1 · Wendelseecup (TBSV Cup 3)

Signature result
1st of 12

Wendelseecup (TBSV Cup 3) · Handicap · 18 Aug 2018

Partnerships · 9 sailors

Most successful partnership: Lorenz Nydegger — 1 wins · 5 podiums in 20 events together · 5% win rate
  • Michel Pürro · Corryvreckan, Dolphin 81, Kraftwerk · Dolphin 81, Handicap, J/70 21events 1 wins together · 7 podiums · 5% win rate · 9 of 93 races won Beat 60% of the fleet together(+26 vs. without) · best 1st · Nov 2017 – Apr 2026
  • Olivier Aebi · Corryvreckan, Kraftwerk · Dolphin 81, Handicap, J/70 21events 1 wins together · 6 podiums · 5% win rate · 8 of 99 races won Beat 53% of the fleet together(−3 vs. without) · best 1st · Nov 2017 – Apr 2026
  • Lorenz Nydegger · Corryvreckan, Dolphin 81, Kraftwerk · Dolphin 81, Handicap, J/70 20events 1 wins together · 5 podiums · 5% win rate · 9 of 97 races won Beat 57% of the fleet together(+11 vs. without) · best 1st · Nov 2017 – Apr 2026
  • Ulrike Bauer · Correyvreckan, Corryvreckan, Dolphin 81, Kraftwerk · Dolphin 81, Handicap, J/70 20events 0 wins together · 4 podiums · 0% win rate · 7 of 100 races won Beat 52% of the fleet together(−9 vs. without) · best 2nd · Jul 2017 – Jul 2025
  • Oliver Aebi · Correyvreckan, Dolphin 81 · Handicap 2events 0 wins together · 1 podiums · 2 events · 1 of 4 races won Beat 81% of the fleet together · best 2nd · Jul 2017 – May 2018
  • Angela Aebi · Corryvreckan · Handicap 2events 1 wins together · 2 podiums · 2 events · 3 of 7 races won Beat 97% of the fleet together · best 1st · Aug 2018 – Aug 2020
  • Susanne Ommerborn · Kraftwerk · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 21% of the fleet together · best 24th · Jun 2025 – Jun 2025
  • Jakob Bohnenblust · Jakob BOHNENBLUST · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 1 race won Beat 25% of the fleet together · best 10th · Aug 2024 – Aug 2024
  • Yvonne Marie-Jeanne Bemelmans · Kraftwerk · J/70 1events 0 wins together · 0 podiums · 1 events · 0 of 6 races won Beat 5% of the fleet together · best 36th · Sep 2023 – Sep 2023

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

Rating history

015530920182020202220242026Crew rating, full-size sailing

Event history · 27

DateEventBoatClassRoleFinish
25 Apr 2026J/70 Swiss CupKraftwerkJ/70Crew10th / 14
12 Jul 2025Segelwoche & Rostige KanneKraftwerkJ/70Crew12th / 13
28 Jun 2025LangstreckenregattaKraftwerkHandicapCrew24th / 30
23 May 2025J/70 Cup - Event 2KraftwerkJ/70Crew37th / 38
25 Aug 2024Wendelsee Classic 2024Jakob BOHNENBLUSTHandicapCrew10th / 13
15 Aug 2024Schweizermeisterschaft J70KraftwerkJ/70Crew29th / 30
28 Jun 2024J/70 Italian Cup - Event 2 Riva del GardaKraftwerkJ/70Crew33rd / 35
1 Jun 2024La Vela Cup ( TBSV-Cup 1 ) / Tune-Up Dolphin 81KraftwerkDolphin 81Crew4th / 15
15 Sep 2023Championnat Suisse J/70KraftwerkJ/70Crew36th / 38
23 Sep 2022SM Yngling + Dolphin 81CorryvreckanDolphin 81Crew5th / 13
30 Oct 2021Lebkuchen ICorryvreckanDolphin 81Crew4th / 8
27 Aug 2021Schweizermeisterschaft Dolphin81CorryvreckanDolphin 81Crew2nd / 12
15 Aug 2020Wendelseecup (TBSV Cup 3)CorryvreckanHandicapCrew2nd / 16
26 Oct 2019Dolphin 81CorryvreckanDolphin 81Crew6th / 11
19 Oct 2019Lebkuchen ICorryvreckanDolphin 81Crew8th / 12
12 Oct 2019Critérium DolphinCorryvreckanDolphin 81Crew6th / 10
12 Sep 2019SM Dolphin 81 / D-One EuroCup 2019CorryvreckanDolphin 81Crew5th / 13
16 Jun 2019Jungfrautrophy IICorryvreckanDolphin 81Crew5th / 10
25 May 2019Schlosspintli Cup (TBSV-Cup)CorryvreckanHandicapCrew5th / 15
3 Nov 2018Lebkuchen IIICorryvreckanDolphin 81Crew2nd / 10
15 Sep 2018Spiezer Langstrecken Cup (TBSV Cup)CorryvreckanHandicapCrew2nd / 17
18 Aug 2018Wendelseecup (TBSV Cup 3)CorryvreckanHandicapCrew1st / 12
1 Jun 2018SM Dolphin 81 / EC TriasCorryvreckanDolphin 81Crew5th / 13
19 May 2018Schlosspintli Cup (TBSV-Cup)CorryvreckanHandicapCrew3rd / 9
19 May 2018TBSV-Cup 2018Dolphin 81HandicapCrew2nd / 10

Crew rating, Full-size sailing: 20, #40,674. Compiled from public results; not an official ranking.