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Birkenhead Sync08/09/2026|
Birkenhead Sync08/09/2026|
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Crown Green Handicap

Margaret Cowan

Team: Oxton ConsDivision: Division 2Last updated: 9/29/2026

Rating

893

Current Handicap

8
Honours
Season:

63

Matches Played

30

Wins

33

Losses

48%

Win Rate

9.3

Avg Win Margin

8.7

Avg Loss Margin

16-15

Home Record

14-18

Away Record

Milestones

Career

No career milestones yet — keep bowling!

Next goal: 50 Wins30/50

Season Highlights

No season milestones recorded yet.

Handicap Trend

All Time · 63 matches

+8 Rising
8 Jun8 Aug6 Jun17 Aug17 Jun16 Aug15 Jun24 Aug-12510
Started0
Lowest0
Current8
Win Percentage(40%)
48%
score-0.05→contribution-0.02
Avg Winning Margin(25%)
9.3
score+0.22→contribution+0.06
Avg Losing Margin(15%)
8.7
score-0.12→contribution-0.02
Recent Form (last 20)(10%)
55%
score+0.10→contribution+0.01
Opponent Strength(10%)
819
score-0.26→contribution-0.03
Weighted Score+0.003
Sample Size Confidence
71%(63/75 matches)
Rating1002 → shrunk 1001→ adjusted 851
Recent 1-Season Rating (2026)866
Recency Blend21% (16 recent matches)
Final Blended Rating854
Handicap8

Formula: Rating = 1000 + (weighted score × 500). Each factor is normalized to −1…+1, multiplied by its weight, then summed. Bayesian shrinkage: the raw rating is pulled toward 1000 by a confidence factor (matches ÷ 75), so players with few games don't get extreme handicaps. Recency blend: the shrunk all-time rating is blended with a separate rating from the seasons selected in Handicap Calculation Years (currently 2026), weighted up to 40% based on recent match volume (30+ matches = full 40%). Players with no recent matches keep their all-time rating unchanged. Rating is mapped to handicap 0–15 (lower = stronger).

League

30W33L63 matches·47.6% win rate
ClubSeasonsDivision(s)PWLWin %
Oxton Cons2022–2026Division 263303347.6%
DateOpponentH/AScoreResultMarginCompetitionDivision
8/24/2026Brenda SmithH21-15WIN+6LeagueDivision 2
8/20/2026Kerys Freeman (SB)A16-21LOSS-5LeagueDivision 2
8/10/2026Sandra HerionH21-11WIN+10LeagueDivision 2
8/6/2026Tracey GrahamA12-21LOSS-9LeagueDivision 2
8/5/2026Celia DennisA21-18WIN+3LeagueDivision 2
7/13/2026Linda HillH21-12WIN+9LeagueDivision 2
7/10/2026Sandra HerionA15-21LOSS-6LeagueDivision 2
7/2/2026Gillian RogersA21-13WIN+8LeagueDivision 2
6/29/2026Carol BradleyH21-20WIN+1LeagueDivision 2
6/15/2026Susan Ward (FB)H20-21LOSS-1LeagueDivision 2
6/8/2026Debbie LinfordA6-21LOSS-15LeagueDivision 2
6/1/2026Mandy GreenH21-15WIN+6LeagueDivision 2
5/28/2026Penny MacDonald (FB)A21-20WIN+1LeagueDivision 2
5/5/2026Beryl GernonH21-5WIN+16LeagueDivision 2
4/30/2026Ann ScrivenA16-21LOSS-5LeagueDivision 2
4/20/2026Lynne MessengerH21-10WIN+11LeagueDivision 2
8/29/2024Linda DentonA21-16WIN+5LeagueDivision 2
8/16/2024Linda WatkinsA17-21LOSS-4LeagueDivision 2
8/12/2024Moira FletcherH20-21LOSS-1LeagueDivision 2
8/8/2024Vivian CullimoreA2-21LOSS-19LeagueDivision 2
7/29/2024Lesley QuinnH21-15WIN+6LeagueDivision 2
7/25/2024Yvonne Salisbury (FB)A2-21LOSS-19LeagueDivision 2
7/8/2024Pauline Haines (FA)H7-21LOSS-14LeagueDivision 2
7/1/2024Carol PareH13-21LOSS-8LeagueDivision 2
6/27/2024Maureen DelehedyA21-8WIN+13LeagueDivision 2
6/17/2024Joyce Bell (SB)H12-21LOSS-9LeagueDivision 2
6/10/2024Jean JenkinsH12-21LOSS-9LeagueDivision 2
6/4/2024Helen WilsonA21-7WIN+14LeagueDivision 2
5/13/2024Valerie LimbH8-21LOSS-13LeagueDivision 2
5/10/2024Lesley UrbanowskiA17-21LOSS-4LeagueDivision 2
4/29/2024Kerys Freeman (FB)H21-10WIN+11LeagueDivision 2
8/22/2023Gail FrancesA16-21LOSS-5LeagueDivision 2
8/21/2023Sioux McGookin (FB)H19-21LOSS-2LeagueDivision 2
8/17/2023Liz DuckersH19-21LOSS-2LeagueDivision 2
8/9/2023Jean HodgsonA17-21LOSS-4LeagueDivision 2
8/7/2023Doris HeyesH21-16WIN+5LeagueDivision 2
7/26/2023Julie ScreggA21-6WIN+15LeagueDivision 2
6/26/2023Judith GrahamH21-11WIN+10LeagueDivision 2
6/19/2023Debra GurneyH10-21LOSS-11LeagueDivision 2
6/15/2023Rita PlattA21-16WIN+5LeagueDivision 2
6/12/2023Pat WakefieldA3-21LOSS-18LeagueDivision 2
6/6/2023Ann Blake (FA)A13-21LOSS-8LeagueDivision 2
5/30/2023Elaine JeanrenaudA10-21LOSS-11LeagueDivision 2
5/22/2023Julie ScreggH21-6WIN+15LeagueDivision 2
5/15/2023Pat ParkinsonH21-11WIN+10LeagueDivision 2
5/9/2023Beryl ThomasA21-11WIN+10LeagueDivision 2
4/25/2023Jenny DanielsA0-21LOSS-21LeagueDivision 2
9/6/2022vs Greasby AH21-17WIN+4LeagueDivision 2
8/15/2022Cath Johnston (SB)H18-21LOSS-3LeagueDivision 2
8/8/2022Veronica ThompsonH15-21LOSS-6LeagueDivision 2
8/4/2022Carol SmithA21-3WIN+18LeagueDivision 2
8/1/2022Angela SmithA21-6WIN+15LeagueDivision 2
7/21/2022Brenda BaxendaleA21-8WIN+13LeagueDivision 2
7/11/2022Anne JohnstonH21-20WIN+1LeagueDivision 2
7/4/2022Linda SherrattH18-21LOSS-3LeagueDivision 2
6/29/2022vs Greasby AA13-21LOSS-8LeagueDivision 2
6/20/2022Debbie Roberts (FA)H21-11WIN+10LeagueDivision 2
6/8/2022Moira FletcherA7-21LOSS-14LeagueDivision 2
5/19/2022Pat AdlenA21-9WIN+12LeagueDivision 2
5/16/2022Gail FrancesH14-21LOSS-7LeagueDivision 2
5/9/2022Doris HeyesH14-21LOSS-7LeagueDivision 2
5/5/2022Rosemary MarriottA21-4WIN+17LeagueDivision 2
4/26/2022Linda Henney-ScraftonA5-21LOSS-16LeagueDivision 2

Current Streak

1wins

On a hot run

Longest Win Run

4

Career best winning streak

Longest Loss Run

4

Career worst losing streak

Last 560% win rate
WLWLW
Last 1060% win rate— steady
WLWLWWLWWL
OpponentWLTotalWin %Last Met
Sandra Herion11250%8/10/2026
Moira Fletcher0220%8/12/2024
Gail Frances0220%8/22/2023
Doris Heyes11250%8/7/2023
Julie Scregg202100%7/26/2023
Greasby A11250%9/6/2022
Brenda Smith101100%8/24/2026
Kerys Freeman (SB)0110%8/20/2026
Tracey Graham0110%8/6/2026
Celia Dennis101100%8/5/2026
Biggest Win
Carol Smith (+18)8/4/2022
Heaviest Defeat
Jenny Daniels (-21)4/25/2023
Best Season
202663% · 16 matches
Worst Season
202433% · 15 matches
Form Arc (1st half → 2nd half)
48% → 47%declining
Avg Opponent Rating Faced
78553 known · 10 unknown
vs Strong Opponents (rating ≥ 1000)
2-529% win rate
vs Weak Opponents (rating < 1000)
23-2350% win rate
Division 247.6%
30W·33L·63 played

Debut

Apr 26, 2022

Latest

Aug 24, 2026

Seasons Active

4 (4.3 yr span)

Matches / Season

15.8 (63 total)

Seasons

2022202320242026