Leagues

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

    Recent Composite Averages

    2026: 173 over 9 games (House)
    2025: 165 over 24 games (House)
    2011: 165 over 33 games (House)
    2005: 168 over 24 games (House)
    2004: 173 over 21 games (House)

    League Averages

    2025-2026

  • South Sac Nisei Mixed (W) - 173 over 9 games

    2024-2025

  • South Sac Nisei Mixed (W) - 165 over 24 games

    2010-2011

  • Nikkei Mixed Classic (W) - 165 over 33 games

    2004-2005

  • Nikkei Mixed Classic (W) - 168 over 24 games

    2003-2004

  • Nikkei Mixed Classic (W) - 173 over 21 games

    2001-2002

  • Nikkei Classic (W) - 181 over 36 games

    2000-2001

  • Nikkei Mixed Classic (W) - 189 over 63 games


Memberships

    Robbie Poligrates has an active USBC membership.

    Current:

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

    Past:

    Gr Sacramento Area USBC - 2024-08-01 - 2025-07-31
    San Francisco USBC - 2010-08-01 - 2011-07-31
    San Francisco WBA - 2004-03-15 - 2005-07-31
    San Francisco WBA - 2003-08-01 - 2004-07-31
    San Francisco WBA - 2001-08-01 - 2002-07-31
    San Francisco WBA - 2000-08-01 - 2001-07-31

Honors

Open Championships

Entering Average: 145

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
165 (standard) -> 145 (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.