Leagues

    USBC has data for Derrick S Tong starting from 2002.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2003: 191 over 69 games (House)
    2002: 187 over 75 games (House)

    League Averages

    2002-2003

  • Chinese Bowling Club (W) - 191 over 69 games

    2001-2002

  • Chinese Bowling Club (S) - data not found
    Chinese Bowling Club (W) - 187 over 75 games


Memberships

    Derrick S Tong does not have an active USBC membership at this time.

    Most Recent:

    San Francisco BA - 2002-08-01 - 2003-07-31

    Past:

    San Francisco BA - 2001-08-01 - 2002-07-31

Honors

Open Championships

Entering Average: 220

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:
245 (standard) -> 220 (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.