BowlerProfiles
Ranking
Scratch peak
USBC bowler profile

Derek Chinn

Proven Competitor
7914-16343 Bowling since 2015
200+ peak 170+ career avg 1K games
Lifetime average 170.16 Across all recorded seasons
Lifetime games 1021 USBC-recorded games
Highest average 201 27 games
Career honors 0 Recognized achievements
What this profile flair means
Scratch peak aura

The nameplate aura reflects a highest recorded league average of 201.

Proven Competitor

Awarded for at least 1,000 recorded league games.

Honor pins

Pins appear after a recognized 300 game, 800 or 900 series, or 11-in-a-row award.

Milestone marks

These celebrate peak average, career average, recorded games, and accumulated honors separately.

Roster matching

League Finder

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Historical records

League History

USBC records begin in 2015. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
194 average · 81 games
2026 Sport
159 average · 3 games
2025 House
188 average · 30 games
2025 Sport
165 average · 102 games
2025 Challenge
165 average · 27 games

League averages

2025-2026

800 Scratch · W
194 average · 81 games
PBA Experience · W Sport
159 average · 3 games

2024-2025

Same Ball League · S
188 average · 30 games
PBA Experience · S Sport
173 average · 27 games
Sport Shot Trios · S Challenge
165 average · 27 games
PBA Experience · W Sport
162 average · 75 games

2022-2023

Jr Strikers W22 · W
198 average · 45 games
Jr Strikers Summer 2023 · S
188 average · 21 games
King Pins W22 · W
184 average · 48 games
Sport Shot Trios Summer 2023 · S Sport
164 average · 27 games

2021-2022

Generation Gap · W
191 average · 66 games
King Pins · W
189 average · 57 games
Sport Shot Trios · S Sport
152 average · 24 games

2020-2021

Generation Gap · S
185 average · 42 games
Stealths · S
185 average · 42 games

2019-2020

Stealths · W
171 average · 57 games

2018-2019

Bowlers Experience Too Jr Trios · S
164 average · 24 games
NorCal Jr/Adult Travel League · S
158 average · 21 games
EA Dublin Stealths · W
150 average · 48 games

2017-2018

EA Dublin PBA Strikeforce · S
Data not found
EA Dublin Match Play · W
175 average · 4 games
EA Dublin Stealths · W
140 average · 60 games

2016-2017

Danville Junior Adult Doubles · S
149 average · 33 games
Danville Saturday Pros · W
127 average · 48 games

2015-2016

Danville Saturday Pros II · W
Data not found
Norcal BC Travel League · W
Data not found
Danville Jr. Adult Doubles Summer · S
133 average · 36 games

2014-2015

Saturday Pros · W
Data not found
Danville Saturday Pros II · W
129 average · 45 games
Danville Jr/Adult Doubles Summer · S
110 average · 30 games

Sport conversions

152→175
159→184
162→187
164→190
173→201

Challenge conversions

165→179
USBC standing

Memberships

Not currently active
Alameda County USBC Most recent
2025-08-01 — 2026-07-31
Contra Costa County USBC Past
2025-08-01 — 2026-07-31
Alameda County USBC Past
2024-08-01 — 2025-07-31
Alameda County USBC Past
2022-08-01 — 2023-07-31
Alameda County USBC Past
2021-08-01 — 2022-07-31
Alameda County USBC Past
2020-08-01 — 2021-07-31
Alameda County USBC Past
2019-08-01 — 2020-07-31
Alameda County USBC Past
2019-08-01 — 2020-07-31
Alameda County USBC Past
2018-08-01 — 2019-07-31
Nor-Cal USBC Youth Past
2017-08-01 — 2018-07-31
Nor-Cal USBC Youth Past
2016-08-01 — 2017-07-31
Nor-Cal USBC Youth Past
2015-08-01 — 2016-07-31
Nor-Cal USBC Youth Past
2014-08-01 — 2015-07-31
Career milestones

Honors

0900 series
0800 series
0300 games
011 in a row
Tournament history

Open Championships

Adjusted entering average 173 Fewer than 27 recorded Open Championship games

How it was calculated

The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.

2024/25201 → 173

The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.