Leagues
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USBC has data for Derek Chinn starting from 2015.
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800 Scratch (W) - data not found
PBA Experience (W) - data not found
2024-2025
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Same Ball League (S) - 188 over 30 games
PBA Experience (S) - 173 over 27 games
Sport Shot Trios (S) - 165 over 27 games
PBA Experience (W) - 162 over 75 games
2022-2023
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Jr Strikers W22 (W) - 198 over 45 games
Jr Strikers Summer 2023 (S) - 188 over 21 games
King Pins W22 (W) - 184 over 48 games
Sport Shot Trios Summer 2023 (S) - 164 over 27 games
2021-2022
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Generation Gap (W) - 191 over 66 games
King Pins (W) - 189 over 57 games
Sport Shot Trios (S) - 152 over 24 games
2020-2021
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Generation Gap (S) - 185 over 42 games
Stealths (S) - 185 over 42 games
2019-2020
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Stealths (W) - 171 over 57 games
2018-2019
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Bowlers Experience Too Jr Trios (S) - 164 over 24 games
NorCal Jr/Adult Travel League (S) - 158 over 21 games
EA Dublin Stealths (W) - 150 over 48 games
2017-2018
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EA Dublin PBA Strikeforce (S) - data not found
EA Dublin Match Play (W) - 175 over 4 games
EA Dublin Stealths (W) - 140 over 60 games
2016-2017
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Danville Junior Adult Doubles (S) - 149 over 33 games
Danville Saturday Pros (W) - 127 over 48 games
2015-2016
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Danville Saturday Pros II (W) - data not found
Norcal BC Travel League (W) - data not found
Danville Jr. Adult Doubles Summer (S) - 133 over 36 games
2014-2015
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Saturday Pros (W) - data not found
Danville Saturday Pros II (W) - 129 over 45 games
Danville Jr/Adult Doubles Summer (S) - 110 over 30 games
Sport Conversions
152 -> 175
162 -> 187
164 -> 190
173 -> 201
Challenge Conversions
165 -> 179
Sport/Challenge average conversions are located at the bottom of the page.
Recent Composite Averages
2025: 188 over 30 games (House)2025: 165 over 102 games (Sport)
2025: 165 over 27 games (Challenge)
2023: 190 over 114 games (House)
2023: 164 over 27 games (Sport)