Sailor · 2017–2025

Jean-Marc Lavanchy

soci t nautique rolloise Handicap Surprise

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Events: 16
Win rate: 13%
Podium rate: 25%
Typically beats: 78%
Best class ranking: #94

Most successful partnership: Nicolas Rouve
Best trio: Olivier Zahn & Antoine Fromentin
Biggest lift: Olivier Michoud
Longest-running crew: Bernard Gianola
Nemesis: Pierre Abramowski
Rival: Pierre Abramowski
Signature result: 2nd of 27

Partnerships · 15 sailors

Most successful partnership: Nicolas Rouve — 1 wins · 1 podiums in 3 events together

Bernard Gianola · BienSur Jr., BIENSUR Jr. · Handicap, Surprise 11events 1 wins together · 2 podiums · 9% win rate · 8 of 76 races won Beat 79% of the fleet together(+5 vs. without) · best 1st · Aug 2018 – Aug 2025
Olivier Michoud · BienSur Jr., BIENSUR Jr. · Handicap, Surprise 8events 1 wins together · 2 podiums · 13% win rate · 6 of 66 races won Beat 80% of the fleet together(+6 vs. without) · best 1st · Aug 2018 – Apr 2025
Patricia Fontannaz · BienSur Jr., BIENSUR Jr. · Handicap, Surprise 7events 1 wins together · 1 podiums · 14% win rate · 5 of 54 races won Beat 80% of the fleet together(+5 vs. without) · best 1st · Aug 2018 – Aug 2025
Jean-Luc Desgraz · Proksi · Handicap 4events 1 wins together · 2 podiums · 4 events · 2 of 30 races won Beat 78% of the fleet together(+1 vs. without) · best 1st · Nov 2017 – Nov 2023
Antoine Fromentin · Proksi · Handicap 4events 1 wins together · 2 podiums · 4 events · 2 of 30 races won Beat 78% of the fleet together(+1 vs. without) · best 1st · Nov 2017 – Nov 2023
Patricia Verdon · BIENSUR Jr. · Handicap, Surprise 4events 0 wins together · 1 podiums · 4 events · 3 of 22 races won Beat 76% of the fleet together(−1 vs. without) · best 2nd · May 2021 – Oct 2021
Nicolas Rouve · Proksi · Handicap 3events 1 wins together · 1 podiums · 3 events · 2 of 24 races won Beat 74% of the fleet together(−4 vs. without) · best 1st · Nov 2021 – Nov 2023
Olivier Zahn · Proksi · Handicap 3events 1 wins together · 1 podiums · 3 events · 2 of 24 races won Beat 74% of the fleet together(−4 vs. without) · best 1st · Nov 2021 – Nov 2023
Benoît Desgraz · Proksi · Handicap 2events 1 wins together · 2 podiums · 2 events · 2 of 12 races won Beat 95% of the fleet together · best 1st · Nov 2017 – Nov 2021
Laurent Conne · BIENSUR Jr. · Handicap, Surprise 2events 0 wins together · 0 podiums · 2 events · 1 of 12 races won Beat 66% of the fleet together · best 7th · Sep 2022 – Aug 2025

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

Rating history

Event history · 16

Date	Event	Boat	Class	Role	Finish
5 Aug 2025	Semaine du Soir	BIENSUR Jr.	Handicap	Crew	8th / 34
27 Apr 2025	Championnat de saison SNR 2025	BIENSUR Jr.	Handicap	Crew	7th / 29
4 Nov 2023	Challenge d'Hiver 23-24	Proksi	Handicap	Crew	6th / 15
7 Aug 2023	Semaine du Soir	BIENSUR Jr.	Handicap	Crew	9th / 37
30 Apr 2023	Championnat de saison SNR	BIENSUR Jr.	Handicap	Crew	6th / 28
10 Sep 2022	Critérium Surprise 2022 - 6ème manche Top Voiles Cup	BIENSUR Jr.	Surprise	Crew	7th / 14
8 Aug 2022	Semaine du Soir SNR	BIENSUR Jr.	Handicap	Crew	4th / 38
13 Apr 2022	Régates d'entrainement CVL/CVV	Proksi	Handicap	Crew	6th / 13
6 Nov 2021	Challenge d'Hiver 21-22	Proksi	Handicap	Crew	1st / 9
3 Oct 2021	Risée du Matin	BIENSUR Jr.	Handicap	Crew	7th / 14
4 Sep 2021	Criterium Surprise & Grand Surprise	BIENSUR Jr.	Surprise	Crew	4th / 17
2 Aug 2021	Semaine du Soir SNR	BIENSUR Jr.	Handicap	Crew	10th / 35
12 May 2021	Championnat de saison SNR	BIENSUR Jr.	Handicap	Crew	2nd / 27
6 Aug 2018	SNR Semaine du Soir 2018	BienSur Jr.	Surprise	Crew	1st / 10
16 Jun 2018	Y d'Yvonand 2018	pink Frost	Handicap	Skipper	7th / 15
4 Nov 2017	Challenge d'Hiver 17-18	Proksi	Handicap	Crew	2nd / 11

Ratings

Class	Rating	Rank	Impact
Full-size sailing Crew	258 provisional	#10496 band 5990–17434	—
Surprise Crew	95 provisional	#94 band 40–173	—

1 more class, not yet ranked

Full-size sailing · Helm · 1 race, 1 event · rating -8

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	1 events	0 wins	beats 57%
As crew	15 events	2 wins	beats 79%

How they race

Closer	−19 pts	last race of an event vs. the rest
Comeback	−6 pts	the race after a bottom-half finish
Consistency	69%	100% = the same result every event
Big fleets	83%	of the fleet beaten
Small fleets	97%	of the fleet beaten

Head to head

Helm	Races	W–L
Sylvain Baron	59	40–14
Pierre Abramowski	56	19–30
Pierre Strohhecker	55	27–23
Alain Munafo	55	21–29
Stéphane Teichmann	54	32–16
Christophe Dubuis	51	27–17
Gilles Aebi	50	37–9
Frédéric Saudan	49	23–23
Jean Vaucher	48	19–24
Alain Cordey	48	32–12
Patrick Schoeni	47	27–16
Gérald Muller	47	43–1

Most-beaten opponent: Gérald Muller (43–1).

Seasons

Year	Events	Wins	Beat
2025	2	0	79%
2023	3	0	75%
2022	3	0	68%
2021	5	1	81%
2018	2	1	79%
2017	1	0	90%

Boats

BIENSUR Jr. · Handicap, Surprise · 11 events · 2018–2025
Proksi · Handicap · 4 events · 2017–2023
pink Frost · Handicap · 1 events · 2018

Where they race

Unknown · 16 events

Is this you?

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

Crew rating, Full-size sailing: 258, #10,496.Helm rating, Full-size sailing: -8. Compiled from public results; not an official ranking.