Scratch peak
USBC bowler profile
Robert A Ditz Sr
League Competitor
1369-30081
Bowling since 2003
×1
11 in a row
200+ peak
190+ career avg
100 games
Honor earned
Lifetime average
198.5
Lifetime games
141
Highest average
204
Career honors
1
What this profile flair means
Scratch peak aura
The nameplate aura reflects a highest recorded league average of 204.
League Competitor
The starting title for a bowler with recorded league history.
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 2003. Sport and challenge conversions are summarized below.
Recent composite averages
2008
House
2003
House
League averages
2007-2008
St Martin Mens
· W
2002-2003
YABA Coaches Travel League
· W
St Louis Optimists
· W
USBC standing
Memberships
St Louis USBC
Most recent
Gr St Louis BA
Past
Career milestones
Honors
0900 series
0800 series
0300 games
111 in a row
11 in a row
11 consecutive strikes · Pheasant Lanes
Tournament history
Open Championships
Adjusted entering average
220
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
245 → 220
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.