Leagues

    USBC has data for William J Mateffy starting from 2013.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2026: 229 over 69 games (House)
    2025: 222 over 72 games (House)
    2024: 234 over 66 games (House)
    2023: 233 over 102 games (House)
    2023: 214 over 66 games (Challenge)

    League Averages

    2025-2026

  • Dick Pietsch Trio (W) - 260 over 3 games
    Apple Open (W) - 227 over 66 games

    2024-2025

  • Apple Open (W) - 225 over 57 games
    Dick Pietsch Trio (W) - 211 over 15 games

    2023-2024

  • Apple Open (W) - 235 over 60 games
    Dick Pietsch Trio (W) - 220 over 6 games

    2022-2023

  • Apple Open (W) - 235 over 66 games
    Average Joes (W) - 232 over 15 games
    Fri Morn Eye Openers (W) - 229 over 21 games
    St Paul Retail (W) - 214 over 66 games

    2021-2022

  • Thursday Nite Thunder (W) - 247 over 3 games
    Fri Morn Eye Openers (W) - 244 over 63 games
    Twin City Masters (W) - 232 over 112 games
    St Paul Retail (W) - 222 over 96 games
    Scratch Trios (S) - 220 over 69 games

    2020-2021

  • Monday Night Chiefs (W) - 270 over 3 games
    Playboy (W) - 235 over 24 games
    Thursday Nite Thunder (W) - 230 over 39 games
    Twin City Masters (W) - 228 over 100 games
    Storm Wednesday Have A Ball (S) - 228 over 12 games
    Scratch Trios (S) - 224 over 60 games
    Howie Havlish Classic (W) - 216 over 15 games
    St Paul Retail (W) - 214 over 81 games
    Untouchables (W) - 210 over 3 games

    2019-2020

  • Thursday Nite Thunder (W) - data not found
    Thursday Have A Ball (S) - 254 over 3 games
    St Paul Retail (W) - 242 over 6 games
    Scratch Trios (S) - 236 over 42 games
    Twin City Masters (W) - 232 over 100 games
    Thursday Nite Special (W) - 231 over 3 games
    Country Club Open (W) - 227 over 75 games
    PC Presented By Columbia 300 (W) - 221 over 12 games

    2018-2019

  • Thursday Nite Special (W) - 231 over 15 games
    Country Club Open (W) - 227 over 99 games
    PC Presented By Columbia 300 (W) - 223 over 39 games
    Twin Cities Sport League (W) - 209 over 128 games
    PBA Experience (S) - 189 over 20 games

    2017-2018

  • Country Club Open (W) - 245 over 6 games
    Thursday Nite Special (W) - 237 over 3 games
    Big Boy (W) - 219 over 84 games
    PC Presented By Columbia 300 (W) - 218 over 6 games
    CC Weds Match Play (S) - 209 over 20 games
    Twin Cities Sport League (W) - 204 over 8 games
    On Track Challenge (S) - 200 over 40 games

    2016-2017

  • PC Presented By Columbia 300 (W) - data not found
    Big Boy (W) - 220 over 33 games
    Country Club Open (W) - 218 over 15 games
    Wednesday Night Classic (W) - 217 over 3 games
    Thursday Nite Special (W) - 205 over 11 games
    CC Weds Match Play (S) - 190 over 44 games

    2015-2016

  • Country Club Open (W) - 215 over 84 games
    Thursday Nite Special (W) - 207 over 3 games
    PC Presented By Columbia 300 (W) - 205 over 27 games
    Twin Cities Sport League (W) - 197 over 24 games
    CC Weds Match Play (S) - 184 over 24 games

    2014-2015

  • CC Weds Match Play (S) - data not found
    PC Presented By Columbia 300 (W) - 207 over 6 games
    Thursday Nite Special (W) - 204 over 6 games
    Twin Cities Sport League (W) - 203 over 20 games

    2013-2014

  • CC Jrs-Winter (W) - 196 over 56 games
    Country Club Strikers (W) - 192 over 21 games
    CC Weds Match Play (S) - 179 over 28 games
    CC Weds Match Play (S) - 179 over 28 games

    2012-2013

  • Country Club Strikers (W) - 167 over 12 games

    Sport Conversions

    197 -> 226
    200 -> 228
    203 -> 231
    209 -> 236

    Challenge Conversions

    189 -> 204
    190 -> 205
    204 -> 218
    209 -> 223
    214 -> 227
    222 -> 235
    242 -> 253

Memberships

    William J Mateffy has an active USBC membership.

    Current:

    Twin Cities USBC - 2025-08-01 - 2026-07-31

    Past:

    Twin Cities USBC - 2024-08-01 - 2025-07-31
    Twin Cities USBC - 2023-08-01 - 2024-07-31
    Twin Cities USBC - 2022-08-01 - 2023-07-31
    Twin Cities USBC - 2021-08-01 - 2022-07-31
    Twin Cities USBC - 2020-08-01 - 2021-07-31
    Minneapolis USBC - 2019-08-01 - 2020-07-31
    St Paul USBC - 2019-08-01 - 2020-07-31
    Minneapolis USBC - 2018-08-01 - 2019-07-31
    Mankato Area USBC - 2017-08-01 - 2018-07-31
    Minneapolis USBC - 2017-08-01 - 2018-07-31
    St Paul USBC - 2017-08-01 - 2018-07-31
    USBC HQ - 2017-08-01 - 2018-07-31
    Mankato Area USBC - 2016-08-01 - 2017-07-31
    Minneapolis USBC - 2016-08-01 - 2017-07-31
    USBC HQ - 2016-08-01 - 2017-07-31
    Minneapolis USBC - 2015-08-01 - 2016-07-31
    Minneapolis USBC - 2014-08-01 - 2015-07-31
    Minneapolis USBC - 2014-08-01 - 2015-07-31
    USBC HQ - 2014-08-01 - 2015-07-31
    Minneapolis USBC - 2013-08-01 - 2014-07-31
    Minneapolis USBC - 2012-08-01 - 2013-07-31

Honors

800 series (11)

  • 846 on February 21 2022 at Texa-Tonka Lanes - Games: 300-258-288
  • 813 on February 11 2022 at Sun Ray Lanes - Games: 289-279-245
  • 801 on January 18 2022 at Concord Lanes - Games: 256-277-268
  • 807 on January 3 2022 at Texa-Tonka Lanes - Games: 299-276-232
  • 848 on November 12 2021 at Sun Ray Lanes - Games: 279-279-290
  • 814 on May 6 2021 at Flaherty's Bowl - Games: 279-256-279
  • 810 on February 15 2021 at Sun Ray Lanes - Games: 257-253-300
  • 800 on August 31 2020 at Texa-Tonka Lanes - Games: 236-299-265
  • 803 on March 9 2020 at Texa-Tonka Lanes - Games: 270-275-258
  • 817 on October 23 2019 at Country Club Lanes - Games: 269-279-269
  • 814 on April 17 2019 at Country Club Lanes - Games: 300-215-299


    • 300 games (15)

  • 300 (Game 2) on September 23 2024 at Bogart's Entertainment - Games: 233-300-247
  • 300 (Game 3) on October 17 2023 at Bogart's Entertainment - Games: 180-253-300
  • 300 (Game 1) on February 28 2022 at Texa-Tonka Lanes - Games: 300-225-227
  • 300 (Game 1) on February 21 2022 at Texa-Tonka Lanes - Games: 300-258-288
  • 300 (Game 2) on December 13 2021 at Texa-Tonka Lanes - Games: 256-300-237
  • 300 (Game 1) on July 1 2021 at Flaherty's Bowl - Games: 300-192-187
  • 300 (Game 1) on May 11 2021 at Concord Lanes - Games: 300-268-191
  • 300 (Game 3) on February 15 2021 at Sun Ray Lanes - Games: 257-253-300
  • 300 (Game 1) on October 5 2020 at Texa-Tonka Lanes - Games: 300-215-195
  • 300 (Game 3) on February 19 2020 at Country Club Lanes - Games: 232-211-300
  • 300 (Game 1) on June 15 2019 at Texa-Tonka Lanes - Games: 300-0-0
  • 300 (Game 1) on April 17 2019 at Country Club Lanes - Games: 300-215-299
  • 300 (Game 1) on October 14 2018 at Bowlero Lakeville - Games: 300-0-0
  • 300 (Game 2) on June 27 2018 at Country Club Lanes - Games: 217-300-222
  • 300 (Game 2) on November 21 2017 at Victory Bowl - Games: 0-300-0


    • Open Championships

    Entering Average: 193 after 27 games



    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.