Prime Number

#106

J/70 · 29 · StFYC

307
+24±314
Overall Rank
#106
of 107
Percentile
Top 99%
of 107 boats
Rating
307
Confidence
±314
Low
Races
28
Recent Form
+7
avg last 5 races
View all J/70Compare
Last raced: Jan 26, 2019

Rating Over Time

936-99

Direct Competitors

Prime Number hasn't raced enough times against the same boats yet to surface direct rivals. Check back after a few more series.

Race History

26 races
Three Bridge Fiasco
Jan 26, 2019/20 of 265
+24
936
Three Bridge Fiasco
Jan 27, 2018/DNF
-12
912
Rolex Big Boat Series · R7
Sep 14, 2017/1 of 11
+39
924
Rolex Big Boat Series · R6
Sep 14, 2017/5 of 11
+8
885
Rolex Big Boat Series · R5
Sep 14, 2017/9 of 11
-23
876
Rolex Big Boat Series · R4
Sep 14, 2017/7 of 11
-12
899
Rolex Big Boat Series · R3
Sep 14, 2017/6 of 11
-5
911
Rolex Big Boat Series · R2
Sep 14, 2017/6 of 11
-5
917
Rolex Big Boat Series · R1
Sep 14, 2017/6 of 11
-6
922
Round the Rocks
Apr 15, 2017/6 of 82
+60
929
-24
868
Rolex Big Boat Series · R8
Sep 15, 2016/30 of 36
-20
893
Rolex Big Boat Series · R7
Sep 15, 2016/31 of 36
-31
913
Rolex Big Boat Series · R6
Sep 15, 2016/7 of 36
+39
944
Rolex Big Boat Series · R5
Sep 15, 2016/11 of 36
+17
904
Rolex Big Boat Series · R4
Sep 15, 2016/22 of 36
0
888
Rolex Big Boat Series · R3
Sep 15, 2016/22 of 36
-3
888
Rolex Big Boat Series · R2
Sep 15, 2016/26 of 36
-12
891
Rolex Big Boat Series · R11
Sep 15, 2016/24 of 36
-13
904
Rolex Big Boat Series · R10
Sep 15, 2016/28 of 36
-39
917

About the Rating

Ratings are computed using Glicko-2, a chess-style system that considers who you beat and who beat you. Winning against higher-rated boats earns more points than beating lower-rated boats.

The overall rank compares this boat to all others across every class. To see how it stacks up within its class, use the “View all J/70” link above.

The confidence band (±314) shows how certain we are about this rating. It narrows as more races are completed and widens during periods of inactivity.

The shaded area on the chart represents the 95% confidence interval — the true skill of this boat likely falls within that range.