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
204.51
Lifetime games
2197
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.
Historical records
League History
USBC records begin in 2002. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average212
Games96
Year2026
Type
Sport
Average172
Games60
Year2025
Type
House
Average207
Games189
League averages
2026-2027
League
800 Scratch
SeasonW
Average & games
League
PBA Experience
Sport
SeasonW
Average & games
2025-2026
League
800 Scratch
SeasonW
Average214
Games75
League
Bowlers Experience.-Markstein 635 Scratch Tr
SeasonW
Average212
Games9
League
Same Ball League
SeasonS
Average198
Games12
League
PBA Experience
Sport
SeasonS
Average173
Games30
League
PBA Experience
Sport
SeasonW
Average171
Games30
2024-2025
League
Same Ball League
SeasonS
Average209
Games24
League
Sutherland Tax Service.-Markstein Sales Scratch Tr
SeasonW
Average209
Games51
League
The Club
SeasonS
Average208
Games36
League
The Club
SeasonW
Average206
Games78
League
PBA Experience
Sport
SeasonW
Average178
Games31
League
PBA Experience
Sport
SeasonS
Average175
Games9
Show earlier league averages Hide earlier league averages
2023-2024
League
The Club
SeasonW
Average206
Games84
League
GamebreakerS
SeasonS
Average206
Games27
League
The Club
SeasonS
Average199
Games30
League
PBA Experience
Sport
SeasonW
Average180
Games55
League
PBA Experience
Sport
SeasonS
Average171
Games18
2022-2023
League
Tri-City Bus Jackpot
SeasonW
Average & games
League
Amtec Ind.-Markstein Sales Trios
SeasonW
Average & games
League
Gamebreaker 4's
SeasonS
Average216
Games24
League
The Club
SeasonS
Average207
Games33
League
The Club
SeasonW
Average201
Games60
League
PBA Experience
SeasonS
Average178
Games27
League
Sport Shot Trios
Sport
SeasonS
Average175
Games18
2021-2022
League
PBA Experience
SeasonS
Average & games
League
THE CLUB
SeasonW
Average212
Games24
League
The Club
SeasonS
Average211
Games24
League
PBA Experience
Sport
SeasonW
Average179
Games42
League
Sport Shot Trios
Sport
SeasonS
Average171
Games27
2020-2021
League
Amtec Ind.-Markstein Sales Co. Trios 2021
SeasonS
Average224
Games9
League
Generation Gap
SeasonS
Average202
Games18
League
PBA Experience
Sport
SeasonS
Average180
Games12
2019-2020
League
Clayton Valley 765 Scratch
SeasonW
Average214
Games60
League
P B A Exp. Wtr.
Sport
SeasonW
Average185
Games45
2018-2019
League
Thursday Mixers
SeasonS
Average210
Games36
League
Clayton Valley 770 Scratch
SeasonW
Average207
Games87
2017-2018
League
Generation Gap
SeasonS
Average & games
League
Clayton Valley 765 Scratch
SeasonW
Average217
Games81
League
P B A Strike Force
Sport
SeasonS
Average178
Games21
2016-2017
League
Clayton Valley 765 Scratch
SeasonW
Average213
Games90
2015-2016
League
Clayton Valley 760Scratch
SeasonW
Average219
Games69
League
Junior/Adult Doubles
SeasonS
Average213
Games36
2014-2015
League
Junior/Adult Doubles
SeasonS
Average & games
League
Clayton Valley 760Scratch
SeasonW
Average211
Games69
2013-2014
League
Leprechauns
SeasonW
Average209
Games68
League
Clayton Valley Jubilee
SeasonS
Average204
Games24
League
Summer Junior/Adult
SeasonS
Average202
Games30
2012-2013
League
Summer Junior/Adult
SeasonS
Average211
Games36
League
7-10 Snack Shack
SeasonW
Average210
Games54
2011-2012
League
Early Rushers
SeasonW
Average210
Games69
League
Reno Trip
SeasonS
Average206
Games39
League
Dublin Majors
SeasonW
Average183
Games3
League
P B A - X
SeasonW
Average171
Games60
2010-2011
League
Summer Rushers
SeasonS
Average & games
League
Summer Keglers
SeasonS
Average & games
League
Early Rushers
SeasonW
Average210
Games84
League
Dublin Majors
SeasonW
Average202
Games3
League
P B A - X
SeasonW
Average179
Games72
2009-2010
League
Las Vegas League
SeasonW
Average195
Games66
League
Summer Rushers
SeasonS
Average186
Games24
2001-2002
League
EBNBA Jr Classic
SeasonW
Average189
Games54
Sport conversions
171→198
173→201
175→203
178→206
179→207
180→208
185→214
USBC standing
Memberships
AssociationContra Costa County USBC
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationSanta Clara County USBC
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationAlameda County USBC
StatusPast
From2025-08-01
Through2026-07-31
AssociationContra Costa County USBC
StatusPast
From2025-08-01
Through2026-07-31
AssociationAlameda County USBC
StatusPast
From2024-08-01
Through2025-07-31
Show earlier memberships Hide earlier memberships
AssociationAlameda County USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationAlameda County USBC
StatusPast
From2022-08-01
Through2023-07-31
AssociationAlameda County USBC
StatusPast
From2021-08-01
Through2022-07-31
AssociationAlameda County USBC
StatusPast
From2020-08-01
Through2021-07-31
AssociationContra Costa County USBC
StatusPast
From2019-08-01
Through2020-07-31
AssociationAlameda County USBC
StatusPast
From2018-08-01
Through2019-07-31
AssociationContra Costa County USBC
StatusPast
From2018-08-01
Through2019-07-31
AssociationAlameda County USBC
StatusPast
From2017-08-01
Through2018-07-31
AssociationContra Costa County USBC
StatusPast
From2017-08-01
Through2018-07-31
AssociationContra Costa County USBC
StatusPast
From2016-08-01
Through2017-07-31
AssociationContra Costa County USBC
StatusPast
From2015-08-01
Through2016-07-31
AssociationContra Costa County USBC
StatusPast
From2014-08-01
Through2015-07-31
AssociationAlameda County USBC
StatusPast
From2013-08-01
Through2014-07-31
AssociationContra Costa County USBC
StatusPast
From2013-08-01
Through2014-07-31
AssociationContra Costa County USBC
StatusPast
From2012-08-01
Through2013-07-31
AssociationAlameda County USBC
StatusPast
From2011-08-01
Through2012-07-31
AssociationContra Costa County USBC
StatusPast
From2011-08-01
Through2012-07-31
AssociationAlameda County USBC
StatusPast
From2010-08-01
Through2011-07-31
AssociationContra Costa County USBC
StatusPast
From2010-08-01
Through2011-07-31
AssociationContra Costa County USBC
StatusPast
From2009-08-01
Through2010-07-31
AssociationAlameda Cnty BA
StatusPast
From2004-03-15
Through2005-07-31
AssociationAlameda Cnty BA
StatusPast
From2001-08-01
Through2002-07-31
Career milestones
Honors
0900 series
2800 series
2300 games
211 in a row
800 series
Series803
Bowling centerClayton Valley Bowl
DateApril 27 2017
Game scores289246268
Series819
Bowling centerClayton Valley Bowl
DateOctober 15 2015
Game scores246276297
300 games
Bowling centerClayton Valley Bowl
DateMarch 15 2018
Game scores183300192
Bowling centerClayton Valley Bowl
DateJanuary 28 2016
Game scores195236300
11 in a row
Bowling centerDanville Bowl
DateJuly 19 2011
Bowling centerDanville Bowl
DateSeptember 14 2010
Tournament history
Open Championships
Entering average
177
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.