Leagues

    USBC has data for David G Yamauchi starting from 2000.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2025: 174 over 54 games (Sport)
    2024: 186 over 63 games (Sport)
    2023: 181 over 87 games (Sport)
    2022: 180 over 82 games (Sport)
    2020: 180 over 54 games (Challenge)

    League Averages

    2025-2026

  • Brunswick Invitational (W) - data not found

    2024-2025

  • Brunswick Invitational (W) - 174 over 54 games

    2023-2024

  • Brunswick Invitational (W) - 186 over 63 games

    2022-2023

  • Brunswick Invitational (W) - 181 over 87 games

    2021-2022

  • Brunswick Invitational (W) - 180 over 82 games

    2019-2020

  • Brunswick Invitational (W) - 180 over 54 games

    2018-2019

  • 950 Baker (W) - 204 over 2 games
    Brunswick Invitational (W) - 180 over 87 games

    2017-2018

  • Brunswick Invitational (W) - 184 over 87 games
    Paint Manufacturers (W) - 180 over 3 games

    2016-2017

  • Baker 950 (S) - 192 over 6 games
    Brunswick Invitational (W) - 178 over 87 games

    2015-2016

  • Sansei Mix.Trio (W) - 238 over 6 games
    Brunswick Invitational (W) - 183 over 96 games

    2014-2015

  • 950 Baker (S) - 204 over 10 games
    Brunswick Invitational (W) - 190 over 108 games

    2013-2014

  • 950 Baker (S) - 241 over 4 games
    Ebonite Invitational (W) - 189 over 105 games

    2012-2013

  • Paint Manufacturers (W) - 205 over 15 games
    Ebonite Invitational (W) - 191 over 87 games

    2011-2012

  • Tozai Nikkei (S) - 211 over 3 games
    Ebonite Invitational (W) - 199 over 82 games

    2010-2011

  • Ebonite Invitational (W) - 199 over 90 games

    2009-2010

  • Ebonite Invitational (W) - 202 over 80 games

    2008-2009

  • Sunset Scratch (W) - 235 over 4 games
    Ebonite Invitational (W) - 200 over 96 games

    2007-2008

  • Paint Manufacturing A (W) - data not found
    Tat 610 Classic (W) - data not found
    Brunswick Invitational (W) - 194 over 90 games

    2006-2007

  • Brunswick (W) - data not found
    Greater L.A. Jr. All Stars (W) - 199 over 44 games

    2005-2006

  • Gardena Sunday Sansei (W) - data not found
    Brunswick Inv (W) - 185 over 93 games

    2004-2005

  • Pistols & Petticoats (S) - data not found
    Brunswick Inv (W) - 189 over 90 games

    2003-2004

  • Gardena Sunday Sansei (W) - data not found
    W ' Pistols & Petticoats (W) - data not found
    Brunswick 780 (W) - 193 over 90 games

    2002-2003

  • Vegas Goodtimers (W) - 200 over 12 games
    Brunswick 780 (W) - 194 over 96 games

    2001-2002

  • Guyer Scratch (S) - data not found
    Brunswick 780 (W) - 188 over 87 games

    2000-2001

  • Guyer Scratch (W) - data not found
    940 Summer Baker 01 (S) - data not found
    Jr/ Adult Hawaiian Travel (W) - 191 over 92 games
    Brunswick 780 (W) - 186 over 84 games

    1999-2000

  • 600 Scratch Trios (W) - 196 over 56 games
    Brunswick 810 (W) - 187 over 87 games

    Sport Conversions

    174 -> 202
    178 -> 206
    180 -> 208
    181 -> 210
    183 -> 212
    184 -> 213
    186 -> 215
    190 -> 219

    Challenge Conversions

    180 -> 194

Memberships

    David G Yamauchi has an active USBC membership.

    Current:

    Gr LA County USBC - 2025-08-01 - 2026-07-31

    Past:

    Gr LA County USBC - 2024-08-01 - 2025-07-31
    Gr LA County USBC - 2023-08-01 - 2024-07-31
    Gr LA County USBC - 2022-08-01 - 2023-07-31
    Gr LA County USBC - 2021-08-01 - 2022-07-31
    Southern LA County USBC - 2020-08-01 - 2021-07-31
    Southern LA County USBC - 2019-08-01 - 2020-07-31
    Southern LA County USBC - 2018-08-01 - 2019-07-31
    Southern LA County USBC - 2017-08-01 - 2018-07-31
    Southern LA County USBC - 2016-08-01 - 2017-07-31
    Orange County USBC - 2015-08-01 - 2016-07-31
    Southern LA County USBC - 2015-08-01 - 2016-07-31
    Southern LA County USBC - 2014-08-01 - 2015-07-31
    Southern LA County USBC - 2013-08-01 - 2014-07-31
    Southern LA County USBC - 2012-08-01 - 2013-07-31
    Southern LA County USBC - 2011-08-01 - 2012-07-31
    Southern LA County USBC - 2010-08-01 - 2011-07-31
    Southern LA County USBC - 2009-08-01 - 2010-07-31
    North Los Angeles Co USBC - 2008-08-01 - 2009-07-31
    Southern LA County USBC - 2008-08-01 - 2009-07-31
    Orange County USBC - 2007-08-01 - 2008-07-31
    Southern LA County USBC - 2007-08-01 - 2008-07-31
    North Los Angeles Co USBC - 2006-08-01 - 2007-07-31
    Southern LA County USBC - 2006-08-01 - 2007-07-31
    Southern LA County BA - 2005-08-01 - 2006-07-31
    Southern LA County BA - 2004-03-15 - 2005-07-31
    Southern LA County BA - 2003-08-01 - 2004-07-31
    San Gabriel Valley BA - 2002-08-01 - 2003-07-31
    Southern LA County BA - 2002-08-01 - 2003-07-31
    Southern LA County BA - 2001-08-01 - 2002-07-31
    Southern LA County BA - 2000-08-01 - 2001-07-31
    Southern LA County BA - 1999-08-01 - 2000-07-31

Honors

300 games (2)

  • 300 (Game 2) on December 2 2017 at Bowlero Montebello - Games: 0-300-0
  • 300 (Game 3) on October 12 2013 at Bowlero Cerritos - Games: 0-0-300


    • 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 18 games out of the required 27.

    The Math

    Highest league is from: 2023/24
    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.

    IGBO TAD

    ( gms)



    Tournaments

    This average is from Feb 1, 2025 until Feb 1, 2026.