Leagues

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

    Recent Composite Averages

    2026: 203 over 99 games (House)
    2025: 197 over 210 games (House)
    2024: 201 over 108 games (House)
    2023: 198 over 60 games (House)
    2021: 171 over 12 games (House)

    League Averages

    2025-2026

  • Funtimers (S) - data not found
    Golden Rollers (S) - data not found
    PPBC Nikkei Doubles (W) - data not found
    Funtimers (W) - 205 over 87 games
    PPBC Nikkei Trios Winter 25-26 (W) - 189 over 12 games

    2024-2025

  • Funtimers (S) - 207 over 42 games
    Guys & Dolls (S) - 203 over 36 games
    Funtimers (W) - 194 over 81 games
    PPBC Nikkei Trios (W) - 187 over 48 games
    S-PPBC Nikkei Trios (S) - 187 over 3 games

    2023-2024

  • PPBC Nikkei Trios (W) - 202 over 84 games
    S-PPBC Nikkei Trios (S) - 198 over 15 games
    Funtimers (S) - 192 over 9 games

    2022-2023

  • Thirsty Nite Out (W) - 222 over 3 games
    Thirsty Nite Out (S) - 206 over 6 games
    S-PPBC Nikkei Trios (S) - 202 over 18 games
    PPBC Nikkei Trios (W) - 193 over 33 games

    2021-2022

  • TWILIGHT MEN (W) - data not found

    2020-2021

  • TWILIGHT MEN (W) - 171 over 12 games

    2019-2020

  • TWILIGHT MEN (W) - 188 over 68 games

    2018-2019

  • TWILIGHT MEN (W) - 195 over 16 games

    2017-2018

  • MATCHPLAY TRIOS (W) - 199 over 91 games
    TWILIGHT MEN (W) - 195 over 81 games

    2016-2017

  • Thurs. Challenge (S) - data not found
    SCRATCH TRIOS (W) - 211 over 12 games
    MATCHPLAY DBLS (W) - 206 over 119 games
    Sierra Challenge (S) - 206 over 51 games
    MAR RAGASA (W) - 196 over 3 games
    TWILIGHT MEN (W) - 194 over 73 games
    SIERRA STARTERS (W) - 189 over 3 games
    CLASSIC DRAFT (W) - 175 over 20 games

    2015-2016

  • SIERRA STARTERS (W) - 204 over 33 games
    Sierra Challenge (S) - 204 over 52 games
    MATCHPLAY DBLS (W) - 202 over 128 games
    SCRATCH TRIOS (W) - 191 over 24 games
    TWILIGHT MEN (W) - 190 over 93 games
    Summer Hdcp 4 (S) - 186 over 9 games
    820 MAJORS (W) - 175 over 12 games

    2014-2015

  • Sierra Challenge (S) - 209 over 56 games
    MATCHPLAY DBLS (W) - 208 over 116 games
    SCRATCH TRIOS (W) - 196 over 12 games
    820 MAJORS (W) - 194 over 99 games

    2013-2014

  • FRIDAY PREMIER (W) - data not found
    MATCHPLAY DBLS (W) - 199 over 84 games
    835 MAJORS (W) - 194 over 75 games
    SUNSET (W) - 190 over 6 games
    Sierra Challenge (S) - 187 over 19 games
    MONDAY CLASSIC (W) - 186 over 12 games
    CLASSIC DRAFT (W) - 182 over 124 games

    2012-2013

  • SUNSET (W) - 204 over 75 games
    SCRATCH TRIOS (W) - 199 over 108 games
    1000 HANDICAP (W) - 194 over 54 games
    MATCHPLAY DBLS (W) - 194 over 4 games
    TWILIGHT MEN (W) - 186 over 18 games
    MONDAY CLASSIC (W) - 174 over 4 games

    2011-2012

  • 1000 SCRATCH (W) - 212 over 69 games
    SCRATCH TRIOS (W) - 210 over 30 games
    825 MAJORS (W) - 209 over 42 games
    CLASSIC DRAFT (W) - 198 over 116 games
    Matchplay Dbls (S) - 192 over 3 games
    SUN. JR/ADULT (W) - 191 over 51 games
    Summer Trio (S) - 179 over 33 games

    2010-2011

  • CEDAR MAJORS (W) - 221 over 3 games
    SUN. JR/ADULT (W) - 217 over 6 games
    Cedar Matchplay Dbls (S) - 209 over 24 games
    Purveyors (S) - 209 over 3 games
    CEDAR SCR. TRIOS (W) - 208 over 64 games
    950 SCRATCH (W) - 207 over 81 games
    Sierra Challenge (S) - 191 over 4 games
    CLASSIC DRAFT (W) - 190 over 120 games

    2009-2010

  • MEXICAN AMERICAN (W) - 232 over 12 games
    Cedar Matchplay Dbls (S) - 222 over 44 games
    CEDAR SCR. TRIOS (W) - 216 over 44 games
    950 SCRATCH (W) - 216 over 67 games
    Sun Jr/Adult (S) - 214 over 27 games
    CEDAR MAJORS (W) - 212 over 87 games
    CEDAR INV. TRIO (W) - 212 over 12 games

    2008-2009

  • Tues. Doubles (S) - data not found
    Cedar Matchplay Dbls (S) - data not found
    CEDAR INV. TRIO (W) - 216 over 27 games
    940 SCRATCH (W) - 211 over 87 games
    CEDAR MAJORS (W) - 209 over 6 games
    CEDAR SCR. TRIOS (W) - 207 over 76 games

    2007-2008

  • Sun. Jr/Adult (S) - data not found
    PBA Experience (S) - data not found
    Cedar Matchplay Dbls (S) - data not found
    CEDAR SCR. TRIOS (W) - 214 over 116 games
    SUN. JR/ADULT (W) - 211 over 12 games
    CEDAR INV. TRIO (W) - 210 over 12 games
    940 SCRATCH (W) - 207 over 83 games
    CEDAR MAJORS (W) - 204 over 17 games

    2006-2007

  • Sun. Jr/Adult (S) - data not found
    CEDAR INV. TRIO (W) - 221 over 8 games
    940 SCRATCH (W) - 208 over 84 games
    CEDAR SCR. TRIOS (W) - 207 over 108 games
    CEDAR MAJORS (W) - 203 over 6 games

    2005-2006

  • TGIF (W) - data not found
    Cedar Matchplay Dbls (S) - data not found
    CEDAR SCR. TRIOS (W) - 212 over 112 games
    SUN. JR/ADULT (W) - 205 over 57 games
    CEDAR MAJORS (W) - 202 over 3 games
    CEDAR INV. TRIO (W) - 198 over 8 games
    MATCHPLAY DBLS (W) - 193 over 80 games

    2004-2005

  • Cedar SingleElems (S) - data not found
    MATCHPLAY DBLS (W) - 204 over 8 games
    NISEI SCR. TRIOS (W) - 201 over 120 games

    2003-2004

  • Wednesday Mixed Five (W) - data not found
    760 Mixed 4 Classic (W) - 194 over 23 games
    Nisei Mixed Handicap (W) - 194 over 23 games

    2002-2003

  • Wednesday Mixed Five (S) - data not found
    4 On A Match Spring 2003 (W) - data not found
    760 Mixed 4 Classic (S) - data not found
    760 Mixed 4 Classic (W) - 201 over 81 games
    4 On A Match, Winter 2003-04 (W) - 195 over 24 games
    Nisei Mixed Handicap (W) - 194 over 27 games
    Wednesday Mixed Five (W) - 183 over 21 games

    2001-2002

  • 4 On A Match (W) - data not found
    750 Mixed 4 Classic (W) - 197 over 80 games
    Wednesday Mixed Five (W) - 196 over 32 games
    Nisei B (W) - 195 over 42 games

    2000-2001

  • Nisei B (S) - data not found
    4 On A Match Summer 2003 (S) - data not found
    Wednesday Mixed Five (S) - data not found
    Wednesday Sansei Trio (W) - data not found

    Sport Conversions

    175 -> 203
    182 -> 211

Memberships

    Kenneth K Yamamoto has an active USBC membership.

    Current:

    Central California USBC - 2025-08-01 - 2026-07-31

    Past:

    Gr LA County USBC - 2025-08-01 - 2026-07-31
    Gr LA County USBC - 2025-08-01 - 2026-07-31
    San Gabriel Valley USBC - 2025-08-01 - 2026-07-31
    Gr LA County USBC - 2024-08-01 - 2025-07-31
    Gr LA County USBC - 2024-08-01 - 2025-07-31
    San Gabriel Valley USBC - 2024-08-01 - 2025-07-31
    Gr LA County USBC - 2023-08-01 - 2024-07-31
    San Gabriel Valley USBC - 2023-08-01 - 2024-07-31
    Gr LA County USBC - 2022-08-01 - 2023-07-31
    San Gabriel Valley USBC - 2022-08-01 - 2023-07-31
    Central California USBC - 2021-08-01 - 2022-07-31
    Central California USBC - 2020-08-01 - 2021-07-31
    Central California USBC - 2019-08-01 - 2020-07-31
    Central California USBC - 2018-08-01 - 2019-07-31
    Central California USBC - 2017-08-01 - 2018-07-31
    Central California USBC - 2016-08-01 - 2017-07-31
    Central California USBC - 2015-08-01 - 2016-07-31
    Central California USBC - 2014-08-01 - 2015-07-31
    Central California USBC - 2013-08-01 - 2014-07-31
    Central California USBC - 2012-08-01 - 2013-07-31
    Central California USBC - 2011-08-01 - 2012-07-31
    Central California USBC - 2010-08-01 - 2011-07-31
    Central California USBC - 2009-08-01 - 2010-07-31
    Central California USBC - 2008-08-01 - 2009-07-31
    Central California USBC - 2007-08-01 - 2008-07-31
    Central California USBC - 2006-08-01 - 2007-07-31
    Central California USBC - 2005-08-01 - 2006-07-31
    Los Angeles BA - 2005-08-01 - 2006-07-31
    Central California BA - 2004-03-15 - 2005-07-31
    Los Angeles BA - 2003-08-01 - 2004-07-31
    Southern LA County BA - 2002-08-01 - 2003-07-31
    Southern LA County BA - 2001-08-01 - 2002-07-31
    Southern LA County BA - 2001-08-01 - 2002-07-31
    Los Angeles BA - 2000-08-01 - 2001-07-31
    Los Angeles BA - 2000-08-01 - 2001-07-31

Honors

800 series (1)

  • 823 on December 15 2000 at Bowlero Los Angeles - Games: 278-299-246


    • 300 games (3)

  • 300 (Game 1) on August 17 2015 at Lucky Strike Fresno - Games: 300-0-0
  • 300 (Game 1) on February 5 2008 at Cedar Lanes - Games: 300-0-0
  • 300 (Game 1) on January 5 1994 at Gable House Bowl - Games: 300-212-196


    • 11 in a row (2)

  • March 10 2014 at Lucky Strike Fresno
  • October 26 2010 at Cedar Lanes


    • Open Championships

    Entering Average: 179

    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 24 games out of the required 27.

    The Math

    Highest league is from: 2024/25
    207 (standard) -> 179 (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.