Routing : from game to reality

On the second day of racing in this Vendée Globe 2020, we can say that the weather conditions that the skippers will experience on the descent to the Doldrums will be particularly tough. After a departure by a young lady, a first not very active cold front which passed without a hitch, the loners will cross a second much more violent front in the night and morning from Tuesday to Wednesday, for the group going to the West, and in the evening for the group spent between the DST (¹) la France.

But these conditions to come are very different for Virtual Regatta players and for sailors.…

Analyse satellite du 10 novembre 00h00 UTC par SailGrib

Satellite analysis of 10 November 00:00 UTC by SailGrib

What makes the big difference between solitaires and players is that Virtual Regatta does not take into account, nor the state of the sea, nor the currents. This already partly explains on D + 2 the gap between the group of players and that of sailors.

Le groupe des joueurs (cercle jaune) et celui des solitaires (cercle rouge) à J+2

The group of players (yellow circle) and that of the loners (red circle) to D + 2

Regarding routing, even using the same GFS 1 ° weather models for racing and for playing, runners' performances are necessarily impacted by the state of the sea, surface currents due to wind, and to a lesser extent ocean currents. And this sea state will be particularly hard to negotiate in the hours to come (²).

Etat de la mer après le passage du front, prévision FNMOC WW3 pour le mercredi 11

State of the sea after passing the front, FNMOC WW3 forecast for Wednesday 11

This also explains that, at polars of equivalent speed, regular gamers can always stay at 100% efficiency of the fleece integrated into Virtual Regatta, without worrying about the waves that do not reach our screens. But the same will certainly not be the case for browsers. On the one hand, because they will have to leave the theoretical routes for many reasons : save material, minimize dangerous maneuvers such as jibes in heavy seas, optimize their trajectories, etc., and on the other hand, manage the race over the long term, which requires managing risk taking.

After this first obstacle to overcome, another even more dangerous awaits them. A follow…

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(¹) Ddevice of Sseparation of Trafic (absolute exclusion zone for runners)
(²) see Yann Amice's detailed analysis this Tuesday on the West France page of the Vendée Globe.
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