Prime Number
#1318J/70 · 29 · StFYC
366
+34±315
Overall Rank
#1318
of 1355
Percentile
Top 97%
of 1355 boats
Rating
366
Confidence
±315
Low
Races
34
Recent Form
+8
avg last 5 races
Last raced: Jan 26, 2019
Rating Over Time
976-49Direct Competitors
Boats Prime Number has raced against most often, with head-to-head finish record.
1fa534
J/70 · Rating 798
3–16
16% wins · 19 races
Deception97263
Santa Cruz 50 · Rating 1257
7–8–2
47% wins · 17 races
Akula16
J/105 · Rating 1213
7–10
41% wins · 17 races
Elan87700
Express 37 · Rating 957
3–14
18% wins · 17 races
Cento Miglia15
Flying Tiger 10 · Rating 577
4–12–1
25% wins · 17 races
Lightwave319
J/105 · Rating 278
13–3–1
81% wins · 17 races
Twist28442
J/120 · Rating 847
4–13
24% wins · 17 races
Rampage582
J70 · Rating 637
12–5
71% wins · 17 races
Race History
26 racesThree Bridge Fiasco
Jan 26, 2019/20 of 265
+34
976
Three Bridge Fiasco
Jan 27, 2018/DNF
-13
941
Rolex Big Boat Series · R7
Sep 14, 2017/1 of 11
+38
954
Rolex Big Boat Series · R6
Sep 14, 2017/5 of 11
+6
917
Rolex Big Boat Series · R5
Sep 14, 2017/9 of 11
-26
910
Rolex Big Boat Series · R4
Sep 14, 2017/7 of 11
-15
936
Rolex Big Boat Series · R3
Sep 14, 2017/6 of 11
-8
952
Rolex Big Boat Series · R2
Sep 14, 2017/6 of 11
-9
960
Rolex Big Boat Series · R1
Sep 14, 2017/6 of 11
-10
969
Round the Rocks
Apr 15, 2017/6 of 82
+65
934
Rolex Big Boat Series · R9
Sep 15, 2016/DSQ
-24
870
Rolex Big Boat Series · R8
Sep 15, 2016/30 of 36
-20
894
Rolex Big Boat Series · R7
Sep 15, 2016/31 of 36
-31
915
Rolex Big Boat Series · R6
Sep 15, 2016/7 of 36
+39
946
Rolex Big Boat Series · R5
Sep 15, 2016/11 of 36
+16
907
Rolex Big Boat Series · R4
Sep 15, 2016/22 of 36
-1
891
Rolex Big Boat Series · R3
Sep 15, 2016/22 of 36
-4
892
Rolex Big Boat Series · R2
Sep 15, 2016/26 of 36
-14
896
Rolex Big Boat Series · R11
Sep 15, 2016/24 of 36
-15
910
Rolex Big Boat Series · R10
Sep 15, 2016/28 of 36
-41
925
| Date | Regatta | Place | Rating After | Change |
|---|---|---|---|---|
| Jan 26, 2019 | Three Bridge Fiasco | 20 / 265 | 976 | +34 |
| Jan 27, 2018 | Three Bridge Fiasco | DNF / 360 | 941 | -13 |
| Sep 14, 2017 | Rolex Big Boat Series · R7 | 1 / 11 | 954 | +38 |
| Sep 14, 2017 | Rolex Big Boat Series · R6 | 5 / 11 | 917 | +6 |
| Sep 14, 2017 | Rolex Big Boat Series · R5 | 9 / 11 | 910 | -26 |
| Sep 14, 2017 | Rolex Big Boat Series · R4 | 7 / 11 | 936 | -15 |
| Sep 14, 2017 | Rolex Big Boat Series · R3 | 6 / 11 | 952 | -8 |
| Sep 14, 2017 | Rolex Big Boat Series · R2 | 6 / 11 | 960 | -9 |
| Sep 14, 2017 | Rolex Big Boat Series · R1 | 6 / 11 | 969 | -10 |
| Apr 15, 2017 | Round the Rocks | 6 / 82 | 934 | +65 |
| Sep 15, 2016 | Rolex Big Boat Series · R9 | DSQ / 36 | 870 | -24 |
| Sep 15, 2016 | Rolex Big Boat Series · R8 | 30 / 36 | 894 | -20 |
| Sep 15, 2016 | Rolex Big Boat Series · R7 | 31 / 36 | 915 | -31 |
| Sep 15, 2016 | Rolex Big Boat Series · R6 | 7 / 36 | 946 | +39 |
| Sep 15, 2016 | Rolex Big Boat Series · R5 | 11 / 36 | 907 | +16 |
| Sep 15, 2016 | Rolex Big Boat Series · R4 | 22 / 36 | 891 | -1 |
| Sep 15, 2016 | Rolex Big Boat Series · R3 | 22 / 36 | 892 | -4 |
| Sep 15, 2016 | Rolex Big Boat Series · R2 | 26 / 36 | 896 | -14 |
| Sep 15, 2016 | Rolex Big Boat Series · R11 | 24 / 36 | 910 | -15 |
| Sep 15, 2016 | Rolex Big Boat Series · R10 | 28 / 36 | 925 | -41 |
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 (±315) 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.