Leagues
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USBC has data for Del Chinn starting from 2002.
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800 Scratch (W) - data not found
Bowlers Experience.-Markstein 635 Scratch Tr (W) - data not found
PBA Experience (W) - data not found
2024-2025
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Same Ball League (S) - 209 over 24 games
Sutherland Tax Service.-Markstein Sales Scratch Tr (W) - 209 over 51 games
The Club (S) - 208 over 36 games
The Club (W) - 206 over 78 games
PBA Experience (W) - 178 over 31 games
PBA Experience (S) - 175 over 9 games
2023-2024
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The Club (W) - 206 over 84 games
GamebreakerS (S) - 206 over 27 games
The Club (S) - 199 over 30 games
PBA Experience (W) - 180 over 55 games
PBA Experience (S) - 171 over 18 games
2022-2023
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Tri-City Bus Jackpot (W) - data not found
Amtec Ind.-Markstein Sales Trios (W) - data not found
Gamebreaker 4's (S) - 216 over 24 games
The Club (S) - 207 over 33 games
The Club (W) - 201 over 60 games
PBA Experience (S) - 178 over 27 games
Sport Shot Trios (S) - 175 over 18 games
2021-2022
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PBA Experience (S) - data not found
THE CLUB (W) - 212 over 24 games
The Club (S) - 211 over 24 games
PBA Experience (W) - 179 over 42 games
Sport Shot Trios (S) - 171 over 27 games
2020-2021
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Amtec Ind.-Markstein Sales Co. Trios 2021 (S) - 224 over 9 games
Generation Gap (S) - 202 over 18 games
PBA Experience (S) - 180 over 12 games
2019-2020
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Clayton Valley 765 Scratch (W) - 214 over 60 games
P B A Exp. Wtr. (W) - 185 over 45 games
2018-2019
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Thursday Mixers (S) - 210 over 36 games
Clayton Valley 770 Scratch (W) - 207 over 87 games
2017-2018
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Generation Gap (S) - data not found
Clayton Valley 765 Scratch (W) - 217 over 81 games
P B A Strike Force (S) - 178 over 21 games
2016-2017
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Clayton Valley 765 Scratch (W) - 213 over 90 games
2015-2016
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Clayton Valley 760Scratch (W) - 219 over 69 games
Junior/Adult Doubles (S) - 213 over 36 games
2014-2015
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Junior/Adult Doubles (S) - data not found
Clayton Valley 760Scratch (W) - 211 over 69 games
2013-2014
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Leprechauns (W) - 209 over 68 games
Clayton Valley Jubilee (S) - 204 over 24 games
Summer Junior/Adult (S) - 202 over 30 games
2012-2013
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Summer Junior/Adult (S) - 211 over 36 games
7-10 Snack Shack (W) - 210 over 54 games
2011-2012
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Early Rushers (W) - 210 over 69 games
Reno Trip (S) - 206 over 39 games
Dublin Majors (W) - 183 over 3 games
P B A - X (W) - 171 over 60 games
2010-2011
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Summer Rushers (S) - data not found
Summer Keglers (S) - data not found
Early Rushers (W) - 210 over 84 games
Dublin Majors (W) - 202 over 3 games
P B A - X (W) - 179 over 72 games
2009-2010
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Las Vegas League (W) - 195 over 66 games
Summer Rushers (S) - 186 over 24 games
2001-2002
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EBNBA Jr Classic (W) - 189 over 54 games
Sport Conversions
171 -> 198
175 -> 203
178 -> 206
179 -> 207
180 -> 208
185 -> 214
Sport/Challenge average conversions are located at the bottom of the page.
Recent Composite Averages
2025: 207 over 189 games (House)2025: 177 over 40 games (Sport)
2024: 204 over 141 games (House)
2024: 178 over 73 games (Sport)
2023: 201 over 144 games (House)