Sidewinder
#477Viper 640 · 244
1004
+27±132
Overall Rank
#477
of 1826
Percentile
Top 26%
of 1826 boats
Rating
1004
Confidence
±132
Medium
Races
10
Recent Form
+18
avg last 5 races
Last raced: Dec 15, 2024
Rating Over Time
1269+421Direct Competitors
Boats Sidewinder has raced against most often, with head-to-head finish record.
Race History
10 racesViper 640 North American Championship · R10
Dec 15, 2024/5 of 30
+27
1269
Viper 640 North American Championship · R9
Dec 15, 2024/4 of 30
+40
1242
Viper 640 North American Championship · R8
Dec 15, 2024/10 of 30
-12
1202
Viper 640 North American Championship · R6
Dec 14, 2024/6 of 30
+34
1215
Viper 640 North American Championship · R5
Dec 14, 2024/9 of 30
+1
1181
Viper 640 North American Championship · R4
Dec 14, 2024/6 of 30
+54
1180
Viper 640 North American Championship · R7
Dec 13, 2024/7 of 30
+69
1126
Viper 640 North American Championship · R3
Dec 13, 2024/21 of 30
-115
1057
Viper 640 North American Championship · R2
Dec 13, 2024/4 of 30
+325
1173
Viper 640 North American Championship · R1
Dec 13, 2024/21 of 30
+56
848
| Date | Regatta | Place | Rating After | Change |
|---|---|---|---|---|
| Dec 15, 2024 | Viper 640 North American Championship · R10 | 5 / 30 | 1269 | +27 |
| Dec 15, 2024 | Viper 640 North American Championship · R9 | 4 / 30 | 1242 | +40 |
| Dec 15, 2024 | Viper 640 North American Championship · R8 | 10 / 30 | 1202 | -12 |
| Dec 14, 2024 | Viper 640 North American Championship · R6 | 6 / 30 | 1215 | +34 |
| Dec 14, 2024 | Viper 640 North American Championship · R5 | 9 / 30 | 1181 | +1 |
| Dec 14, 2024 | Viper 640 North American Championship · R4 | 6 / 30 | 1180 | +54 |
| Dec 13, 2024 | Viper 640 North American Championship · R7 | 7 / 30 | 1126 | +69 |
| Dec 13, 2024 | Viper 640 North American Championship · R3 | 21 / 30 | 1057 | -115 |
| Dec 13, 2024 | Viper 640 North American Championship · R2 | 4 / 30 | 1173 | +325 |
| Dec 13, 2024 | Viper 640 North American Championship · R1 | 21 / 30 | 848 | +56 |
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 Viper 640” link above.
The confidence band (±132) 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.