Leagues

    USBC has data for Christo C Karahalios starting from 2009.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2025: 207 over 119 games (House)
    2024: 202 over 36 games (House)
    2011: 190 over 3 games (House)
    2010: 181 over 102 games (House)

    League Averages

    2025-2026

  • Renegades (W) - data not found

    2024-2025

  • Summer Bowlers RX (S) - 216 over 33 games
    Renegades (W) - 204 over 86 games

    2023-2024

  • Summer Bowlers RX (S) - 202 over 36 games

    2019-2020

  • Wednesday Trios 2 (W) - data not found
    Wednesday Trios 1 (W) - data not found

    2010-2011

  • Belles & Beaus Winter (W) - 190 over 3 games

    2009-2010

  • Friday Mens Handicap (W) - 181 over 75 games
    Belles & Beaus Winter 09-10 (W) - 178 over 27 games

    2008-2009

  • Belles & Beaus Winter 08-09 (W) - data not found


Memberships

    Christo C Karahalios has an active USBC membership.

    Current:

    Contra Costa 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
    Contra Costa County USBC - 2019-08-01 - 2020-07-31
    San Francisco USBC - 2010-08-01 - 2011-07-31
    Central Solano USBC - 2009-08-01 - 2010-07-31
    San Francisco USBC - 2009-08-01 - 2010-07-31
    San Francisco USBC - 2008-08-01 - 2009-07-31

Honors

Open Championships

Entering Average: 187

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
216 (standard) -> 187 (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.