BowlerProfiles
Ranking
Scratch peak
USBC bowler profile

Robert M Williamson

Perfect Game Bowler
10-1985787 Bowling since 2001
×1 300 games
200+ peak 200+ career avg 1K games Honor earned
Lifetime average 205.6 Across all recorded seasons
Lifetime games 1145 USBC-recorded games
Highest average 216 87 games
Career honors 1 Recognized achievements
What this profile flair means
Scratch peak aura

The nameplate aura reflects a highest recorded league average of 216.

Perfect Game Bowler

Awarded for recording a sanctioned 300 game.

Honor pins

Each pin names a recognized honor and shows how many times it was earned.

Milestone marks

These celebrate peak average, career average, recorded games, and accumulated honors separately.

Historical records

League History

USBC records begin in 2001. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
214 average · 90 games
2026 Challenge
202 average · 87 games
2026 Sport
169 average · 42 games
2025 House
214 average · 219 games
2025 Challenge
190 average · 99 games

League averages

2025-2026

OPERATION RENO · W
Data not found
Lucky Bowler Thurs Night Shootout W25/26 · W
214 average · 90 games
Lucky Bowler High Roller W2025-26 · W Challenge
202 average · 87 games
Sport Short Trios 2026 · S Sport
169 average · 42 games

2024-2025

Lucky Bowler Summer Scratch Trios · S
225 average · 4 games
Lucky Bowler Classic · W
215 average · 99 games
Lucky Bowler Thursday Night Shootout · W
214 average · 60 games
Summer Doubles Challenge · S
210 average · 52 games
2025 Lucky Bowler Trios · S
208 average · 4 games
Lucky Bowler Scratch Challenge · W Challenge
190 average · 99 games

2023-2024

Lucky Bowler Thursday Night Shootout w23/24 · W
212 average · 90 games
Lucky Bowler Summer Scratch Trios · S
208 average · 48 games
Storm Challenge · W
204 average · 90 games
Lucky Bowler Scratch Challenge w 23/24 · W Challenge
193 average · 90 games

2022-2023

Summer Storm Challenge · S
213 average · 27 games
Monday Madness · W
200 average · 36 games
Lucky Bowler Classic Trios · S
187 average · 44 games

2021-2022

Monday Madness · S
205 average · 30 games

2017-2018

Gold Country Match Club · W
179 average · 24 games

2016-2017

Color Of Money · W
199 average · 33 games

2000-2001

Monday Scratch Trios · W
194 average · 96 games

Sport conversions

169→196

Challenge conversions

190→205
193→208
202→216
USBC standing

Memberships

Active membership
Gr Sacramento Area USBC Current
2026-08-01 — 2027-07-31
Gr Sacramento Area USBC Past
2025-08-01 — 2026-07-31
Yuba Sutter USBC Past
2025-08-01 — 2026-07-31
Gr Sacramento Area USBC Past
2024-08-01 — 2025-07-31
Gr Sacramento Area USBC Past
2023-08-01 — 2024-07-31
Gr Sacramento Area USBC Past
2022-08-01 — 2023-07-31
Gr Sacramento Area USBC Past
2021-08-01 — 2022-07-31
Grass Valley/NV City USBC Past
2017-08-01 — 2018-07-31
Yuba Sutter USBC Past
2017-08-01 — 2018-07-31
Gr Sacramento Area USBC Past
2016-08-01 — 2017-07-31
Gr Sacramento Area USBC Past
2007-08-01 — 2008-07-31
Sacramento BA Past
2000-08-01 — 2001-07-31
Sacramento BA Past
1998-08-01 — 1999-07-31
Career milestones

Honors

0900 series
0800 series
1300 games
011 in a row

300 games

Perfect game · AMF Land Park Lanes
June 16 1999 · 300-192-215
Tournament history

Open Championships

Adjusted entering average 187 Fewer than 27 recorded Open Championship games

How it was calculated

The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.

2025/26216 → 187

The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.