Stonewall Anderson

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded1.33148 of 33731Fall 2025

Team Race Rating

Rating Rank vs fleet rating Record
1.25 (fleet 2.01) 125 of 231 +0.01 ± 0.17
about what the fleet rating predicts
as skipper 41–30 (58%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202624–4—
Spring 2025110–2—
Spring 202414–5—
Spring 2023210–14—
Spring 2022113–5—
0.7511.25Spring 2023Spring 2024Spring 2025Spring 2026West Baker Pre-Qualifier (2023-04-23): rating 0.93, fleet rating alone 0.87, offset +0.05; record 0-9 in this boatLMSS Team Race (2023-05-13): rating 0.79, fleet rating alone 0.77, offset +0.01; record 10-5 in this boatWest Baker Pre-Qualifiers (2024-04-14): rating 0.72, fleet rating alone 0.70, offset +0.02; record 4-5 in this boatLMSS Team Race 2025 (2025-05-10): rating 1.22, fleet rating alone 1.20, offset +0.02; record 10-2 in this boatMISSA NW Baker Pre-Qualifier (2026-04-12): rating 1.21, fleet rating alone 1.19, offset +0.02; record 2-4 in this boat2026 LMSS Team Race (2026-05-09): rating 1.24, fleet rating alone 1.23, offset +0.01; record 2-0 in this boatTeam race rating

Rating before each regatta driven (solid; dots green when the boat won 60% or more of its matches there, red under 40%) and what the fleet rating alone would give (dashed). The gap is the team race offset as it stood at the time. Hover a dot for the regatta; click to open it.

Team race surprisal: regatta by regatta

Over 6 graded regattas (69 matches) the record is 39–30 against 34.7 wins the pre-event forecasts expected (+4.3). 1 regatta clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 10 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-12MISSA NW Baker Pre-Qualifierskipper1.321.072–42.2−0.250.076%
2025-05-10LMSS Team Race 2025skipper1.302.2810–28.6+0.970.728%
2024-04-14West Baker Pre-Qualifiersskipper1.011.164–53.8+0.150.058%
2023-05-13LMSS Team Raceskipper0.951.6410–58.4+0.690.627%
2023-04-23West Baker Pre-Qualifierskipper1.03-1.970–92.8≤−3.004.7>99%
2022-05-21Spring LMSS Team Race 2022skipper0.702.3613–58.8+1.663.82%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
MISSA NW Mallory Prequalifier @ Sheboygan Skipper A 8 3.8 2.37
MISSA NW Baker Pre-Qualifier Skipper TR 6 33% —
MISSA Mallory Qualifier 2026 Skipper A 17 8.4 1.96
2026 LMSS Team Race Skipper TR 5 100% —
Fall 2025 Team page Season
Northwest GLQ Skipper A 15 4.7 1.87
MISSA Great Lakes Championship Skipper A 9 12.2 1.30
MISSA Cressy Qualifier - ILCA 7 Open Singlehanded Skipper A 12 8.2 0.84
2025 MISSA Keelboat Championship Silver Keelboat Crew A 4 1.0 —
2025 MISSA Keelboat Championship White Keelboat Crew A 4 4.0 —
Spring 2025 Team page Season
MISSA Mallory Qualifier Skipper B 9 6.1 2.08
MISSA Mallory NWPrequalifier Skipper B 8 3.5 0.99
LMSS Team Race 2025 Skipper TR 12 83% —
ISSA Fleet Nationals (Mallory Trophy) Skipper B 19 13.3 1.82
Fall 2024 Team page Season
Northwest Great Lakes Qualifier Skipper B 6 2.0 2.68
MISSA Keelboat Qualifier Keelboat Crew A 8 2.2 —
MISSA Cressy (ILCA 6 Boys) Singlehanded Skipper A 12 9.7 1.31
2024 ISSA Keelboat National Invitational Keelboat Crew A 10 4.5 —
2024 Great Lakes Championships Skipper B 10 11.6 0.74
Spring 2024 Team page Season
West Baker Pre-Qualifiers Skipper TR 9 44% —
MSS #3 @WBSS Skipper A 5 8.4 -0.50
MSS #2 Skipper A 8 7.1 0.85
West Mallory Pre-Qualifier Skipper B 10 5.9 0.48
Fall 2023 Team page Season
MSS Fall 2023 Conference Regatta #2 Skipper A 6 8.7 0.45
MISSA West Great Lakes Qualifier 2023 Skipper B 8 4.2 0.57
MISSA ILCA 6 Boys Cressy Quals Singlehanded Skipper A 7 15.3 0.41
2023 Great Lakes Championship Skipper B 8 15.8 -0.14
Spring 2023 Team page Season
West Baker Pre-Qualifier Skipper TR 9 0% —
MN State Champs 2023 Skipper A 14 6.2 1.58
MN Conference #3 Skipper A 6 8.5 0.15
West Mallory Pre-Qualifier Skipper B 10 2.5 0.88
LMSS Team Race Skipper TR 15 67% —
2023 MISSA Mallory Qualifier Skipper B 12 16.2 -0.55
Fall 2022 Team page Season
MISSA West Great Lakes Qual Skipper B 12 2.9 1.32
MISSA Keelboat Championship Keelboat Crew A — — —
MISSA Great Lakes Championship Skipper A 8 17.0 -0.95
Conference #1 Skipper A 6 3.8 1.90
Art Johnson Skipper B 10 2.6 1.81
2022 MN Fall Conference #2 Skipper A 4 4.5 1.91
Spring 2022 Team page Season
Spring LMSS Team Race 2022 Skipper TR 18 72% —
MSS Conference #2 Skipper A 5 10.0 0.11
MN Spring Conference #3 Skipper A 7 7.9 -0.04
MN COED State Champs Crew A 3 5.3 —
MN Boys State Champ Crew A 4 5.8 —
Minnesota Conference #4 Skipper A 4 9.2 -0.41
Fall 2021 Team page Season
Art Johnson Skipper B 10 9.5 0.50
Fall 2019 Team page Season
MN Conference 1 - Fall 2019 Skipper A 7 19.4 -1.17
MN Conference #4 Skipper B — — —
Minnesota Conference #2 Skipper B 6 7.7 0.22
Art Johnson Memorial Regatta Crew A 6 20.7 —
Spring 2019 Team page Season
MN Conf. #3 - Spring Skipper A 6 17.7 -1.13

From the notes

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

All notes →

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