Leagues

    USBC has data for Robert M Williamson starting from 2001.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2025: 215 over 163 games (House)
    2025: 209 over 56 games (House)
    2025: 190 over 99 games (Challenge)
    2024: 212 over 90 games (House)
    2024: 205 over 138 games (House)

    League Averages

    2025-2026

  • Lucky Bowler Thurs Night Shootout W25/26 (W) - data not found
    Lucky Bowler High Roller W2025-26 (W) - data not found
    OPERATION RENO (W) - data not found

    2024-2025

  • Lucky Bowler Summer Scratch Trios (S) - 225 over 4 games
    Lucky Bowler Classic (W) - 215 over 99 games
    Lucky Bowler Thursday Night Shootout (W) - 214 over 60 games
    Summer Doubles Challenge (S) - 210 over 52 games
    2025 Lucky Bowler Trios (S) - 208 over 4 games
    Lucky Bowler Scratch Challenge (W) - 190 over 99 games

    2023-2024

  • Lucky Bowler Thursday Night Shootout w23/24 (W) - 212 over 90 games
    Lucky Bowler Summer Scratch Trios (S) - 208 over 48 games
    Storm Challenge (W) - 204 over 90 games
    Lucky Bowler Scratch Challenge w 23/24 (W) - 193 over 90 games

    2022-2023

  • Summer Storm Challenge (S) - 213 over 27 games
    Monday Madness (W) - 200 over 36 games
    Lucky Bowler Classic Trios (S) - 187 over 44 games

    2021-2022

  • Monday Madness (S) - 205 over 30 games

    2017-2018

  • Gold Country Match Club (W) - 179 over 24 games

    2016-2017

  • Color Of Money (W) - 199 over 33 games

    2000-2001

  • Monday Scratch Trios (W) - 194 over 96 games


    Challenge Conversions

    190 -> 205
    193 -> 208

Memberships

    Robert M Williamson has an active USBC membership.

    Current:

    Gr Sacramento Area USBC - 2025-08-01 - 2026-07-31

    Past:

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

Honors

300 games (1)

  • 300 (Game 1) on June 16 1999 at AMF Land Park Lanes - Games: 300-192-215


    • Open Championships

    Entering Average: 186

    Why?

    If a bowler does not have a 27 game Open Championship Average, use the Highest Sport Adjusted Average of the last three bowling seasons.
    You currently have bowled 0 games out of the required 27.

    The Math

    Highest league is from: 2024/25
    215 (standard) -> 186 (sport)

    Open Championships average is the most recent 27 games bowled at the Open Championships from 2016 through 2025. To search historical scores from the Open Championships Leaderboard click here.