Leagues

    USBC has data for Ryan H Tamura starting from 2022.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2026: 182 over 69 games (House)
    2025: 170 over 42 games (House)
    2024: 164 over 24 games (House)
    2023: 148 over 9 games (House)
    2022: 165 over 76 games (House)

    League Averages

    2025-2026

  • Nikkei Mixed Trios (W) - 196 over 18 games
    Sansei League (W) - 183 over 15 games
    Diablo Nisei Mixed Trios (W) - 175 over 36 games

    2024-2025

  • Diablo Nisei Mixed Trios (W) - 170 over 42 games

    2023-2024

  • Diablo Nisei Mixed Trios (W) - 164 over 24 games

    2022-2023

  • Nisei Mixed (W) - 148 over 9 games

    2021-2022

  • Nisei Mixed (W) - 165 over 76 games


Memberships

    Ryan H Tamura has an active USBC membership.

    Current:

    Santa Clara County USBC - 2025-08-01 - 2026-07-31

    Past:

    Contra Costa County USBC - 2024-08-01 - 2025-07-31
    Contra Costa County USBC - 2023-08-01 - 2024-07-31
    Gr Sacramento Area USBC - 2023-08-01 - 2024-07-31
    Stockton USBC - 2022-08-01 - 2023-07-31
    Stockton USBC - 2021-08-01 - 2022-07-31

Honors

Open Championships

Entering Average: 149

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
170 (standard) -> 149 (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.