SailELO

Alchemy

#17

J/105 · 275 · SFYC

1158
-4±38
Overall Rank
#17
of 105
Percentile
Top 16%
of 105 boats
Rating
1158
Confidence
±38
High
Races
202
Recent Form
+2
avg last 5 races
View all J/105Compare
Last raced: May 17, 2026

Rating Over Time

1235+248

Direct Competitors

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

Race History

207 races
Elite Fleet Regatta · R5
May 17, 2026/13 of 23
-4
1235
Elite Fleet Regatta · R4
May 17, 2026/13 of 23
-5
1238
Elite Fleet Regatta · R3
May 16, 2026/11 of 23
+2
1243
Elite Fleet Regatta · R2
May 16, 2026/9 of 23
+18
1241
Elite Fleet Regatta · R1
May 16, 2026/13 of 23
-3
1223
Friday Night Races April 3 to September
Apr 10, 2026/3 of 11
-3
1226
SYC J/105 J/88 Spring Invitational Regatta · R3
Mar 21, 2026/RET
-12
1229
SYC J/105 J/88 Spring Invitational Regatta · R2
Mar 21, 2026/10 of 20
+7
1241
SYC J/105 J/88 Spring Invitational Regatta · R1
Mar 21, 2026/15 of 20
-24
1234
Sausalito YC/RegattaPRO Winter One Design · R8
Feb 15, 2026/6 of 20
0
1259
Sausalito YC/RegattaPRO Winter One Design · R7
Feb 15, 2026/4 of 20
+1
1259
Sausalito YC/RegattaPRO Winter One Design · R6
Feb 15, 2026/3 of 20
+19
1258
Sausalito YC/RegattaPRO Winter One Design · R5
Feb 15, 2026/4 of 20
+9
1239
Sausalito YC/RegattaPRO Winter One Design · R4
Feb 15, 2026/4 of 20
+12
1230
Sausalito YC/RegattaPRO Winter One Design · R3
Feb 15, 2026/16 of 20
-29
1218
Sausalito YC/RegattaPRO Winter One Design · R2
Feb 15, 2026/2 of 20
+20
1247
Sausalito YC/RegattaPRO Winter One Design · R1
Feb 15, 2026/9 of 20
-16
1227
Rolex Big Boat Series · R7
Sep 14, 2025/16 of 27
-7
1243
Rolex Big Boat Series · R6
Sep 13, 2025/11 of 27
0
1250
Rolex Big Boat Series · R5
Sep 13, 2025/1 of 27
+25
1250

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/105” link above.

The confidence band (±38) 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.