You vs. Them
A Fleet		Their Boat (1 hour +/- n seconds)
Your Boat (1 hour)	PHRF Rating	Beneteau 25	Hestir 30	Impulse 21	J-22	J-24	J-80	K-30	Melges 24	Meritt 25	S2 7.9
Beneteau 25	156	0	-306	138	107	76	-168	-382	-306	92	76
Hestir 30	96	334	0	485	451	418	150	-84	0	435	418
Impulse 21	183	-133	-427	0	-29	-59	-295	-501	-427	-44	-59
J-22	177	-104	-401	30	0	-30	-267	-475	-401	-15	-30
J-24	171	-75	-374	60	30	0	-240	-449	-374	15	0
J-80	123	177	-144	321	289	257	0	-225	-144	273	257
K-30	81	428	86	582	548	513	240	0	86	531	513
Melges 24	96	334	0	485	451	418	150	-84	0	435	418
Meritt 25	174	-90	-388	45	15	-15	-254	-462	-388	0	-15
S2 7.9	171	-75	-374	60	30	0	-240	-449	-374	15	0
Look up your boat under "Your Boat"
Look up their boat under "Their Boat"
The number in the intersection (n) is approximately the seconds per hour
you give them, for every hour sailed by Your Boat.
If n > 0, you give them n seconds per hour.
If n < 0, they give you n seconds.
Updated 19 Nov 2011