Scratch peak
USBC bowler profile
Del Chinn
Decorated Bowler
8970-18955
Bowling since 2002
×2
800 series
×2
300 games
×2
11 in a row
200+ peak
200+ career avg
1K games
5+ honors
Lifetime average
204.71
Lifetime games
2155
Highest average
219
Career honors
6
What this profile flair means
Scratch peak aura
The nameplate aura reflects a highest recorded league average of 219.
Decorated Bowler
Awarded for reaching at least five recognized career honors.
Honor pins
Each pin names a recognized honor and shows how many times it was earned.
Milestone marks
These celebrate peak average, career average, recorded games, and accumulated honors separately.
Roster matching
League Finder
Start with one bowling center, then expand across the region. Matches use name, average, gender, game count, and league history when available.
These are evidence-based suggestions, not confirmed identities. Your “likely” or “unlikely” choices last only for this browser tab and are never attached to the profile.
Choose a region and bowling center to begin.
Historical records
League History
USBC records begin in 2002. Sport and challenge conversions are summarized below.
Recent composite averages
2026
House
2026
Sport
2025
House
2025
Sport
2024
House
League averages
2025-2026
Same Ball League
· S
PBA Experience
· S
Sport
800 Scratch
· W
Bowlers Experience.-Markstein 635 Scratch Tr
· W
PBA Experience
· W
Sport
2024-2025
Same Ball League
· S
Sutherland Tax Service.-Markstein Sales Scratch Tr
· W
The Club
· S
The Club
· W
PBA Experience
· W
Sport
PBA Experience
· S
Sport
2023-2024
The Club
· W
GamebreakerS
· S
The Club
· S
PBA Experience
· W
Sport
PBA Experience
· S
Sport
2022-2023
Tri-City Bus Jackpot
· W
Amtec Ind.-Markstein Sales Trios
· W
Gamebreaker 4's
· S
The Club
· S
The Club
· W
PBA Experience
· S
Sport Shot Trios
· S
Sport
2021-2022
PBA Experience
· S
THE CLUB
· W
The Club
· S
PBA Experience
· W
Sport
Sport Shot Trios
· S
Sport
2020-2021
Amtec Ind.-Markstein Sales Co. Trios 2021
· S
Generation Gap
· S
PBA Experience
· S
Sport
2019-2020
Clayton Valley 765 Scratch
· W
P B A Exp. Wtr.
· W
Sport
2018-2019
Thursday Mixers
· S
Clayton Valley 770 Scratch
· W
2017-2018
Generation Gap
· S
Clayton Valley 765 Scratch
· W
P B A Strike Force
· S
Sport
2016-2017
Clayton Valley 765 Scratch
· W
2015-2016
Clayton Valley 760Scratch
· W
Junior/Adult Doubles
· S
2014-2015
Junior/Adult Doubles
· S
Clayton Valley 760Scratch
· W
2013-2014
Leprechauns
· W
Clayton Valley Jubilee
· S
Summer Junior/Adult
· S
2012-2013
Summer Junior/Adult
· S
7-10 Snack Shack
· W
2011-2012
Early Rushers
· W
Reno Trip
· S
Dublin Majors
· W
P B A - X
· W
2010-2011
Summer Rushers
· S
Summer Keglers
· S
Early Rushers
· W
Dublin Majors
· W
P B A - X
· W
2009-2010
Las Vegas League
· W
Summer Rushers
· S
2001-2002
EBNBA Jr Classic
· W
Sport conversions
171→198
175→203
178→206
179→207
180→208
185→214
USBC standing
Memberships
Alameda County USBC
Most recent
Contra Costa County USBC
Past
Alameda County USBC
Past
Alameda County USBC
Past
Alameda County USBC
Past
Alameda County USBC
Past
Alameda County USBC
Past
Contra Costa County USBC
Past
Alameda County USBC
Past
Contra Costa County USBC
Past
Alameda County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Alameda County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Alameda County USBC
Past
Contra Costa County USBC
Past
Alameda County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Alameda Cnty BA
Past
Alameda Cnty BA
Past
Career milestones
Honors
0900 series
2800 series
2300 games
211 in a row
800 series
803 series · Clayton Valley Bowl
819 series · Clayton Valley Bowl
300 games
Perfect game · Clayton Valley Bowl
Perfect game · Clayton Valley Bowl
11 in a row
11 consecutive strikes · Danville Bowl
11 consecutive strikes · Danville Bowl
Tournament history
Open Championships
Entering average
177
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.