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Birkenhead Sync08/09/2026|
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Crown Green Handicap

Diane Gerrard

Team: Little Sutton BDivision: Division CLast updated: 10/24/2026

Rating

791

Current Handicap

10
Honours
Season:

16

Matches Played

9

Wins

7

Losses

56%

Win Rate

5.1

Avg Win Margin

8.9

Avg Loss Margin

2-5

Home Record

7-2

Away Record

24%

Handicap Confidence

Low Confidence
16 / 33 matches for full confidence· Last recorded match: 8/13/2026

Only 16 of the 33 matches needed for full confidence in the 2022, 2023, 2024, 2025, 2026 window. The rating is pulled toward the league average, so the handicap may shift noticeably as more results arrive.

Milestones

Career

No career milestones yet — keep bowling!

Next goal: Hot Streak 155/15
✦SEASON HIGHLIGHTS

No season milestones recorded yet.

Handicap Trend

All Time · 16 matches

+10 Rising
Win on the night Loss on the nightLower handicap = stronger player

The line re-checks the handicap after every match — from results, winning and losing margins, the strength of who was played, and home or away. Each dot is the number that applied going into the next game.

19 May2 Jun23 Jun7 Jul16 Jul23 Jul4 Aug13 Aug-13714

Gives 10 more chalks than at the start of this period.

Started0
Lowest0
Current10
Win Percentage(35%)
56%
score+0.13→contribution+0.04
Avg Winning Margin(23%)
5.1
score-0.48→contribution-0.11
Avg Losing Margin(15%)
8.9
score-0.14→contribution-0.02
Recent Form (last 20)(10%)
56%
score+0.13→contribution+0.01
Opponent Strength(15%)
790
score-0.12→contribution-0.02
Weighted Score-0.096
Sample Size Confidence
24%(16/33 matches)
Rating961 → shrunk 991→ adjusted 791
Recent 5-Season Rating (2022, 2023, 2024, 2025, 2026)789
Recency Blend21% (16 recent matches)
Final Rating791
Handicap
10

Formula: Rating = 1000 + (weighted score × 400). Each factor is normalized to −1…+1, multiplied by its weight, then summed. Window: factors are computed from the Handicap Calculation Years only (2022, 2023, 2024, 2025, 2026), excluding walkovers — the same window the official recalculation uses. Bayesian shrinkage: the raw rating is pulled toward 1000 by confidence (window matches ÷ 33, an adaptive threshold set by the last recalculation). Offsets: division and B/C/D team offsets are then applied, weighted by where each window match was played. Recency blend: the calculation years are re-weighted at up to 40% by match volume. Players with a long career but fewer than 5 window matches fall back to their full career record. Rating maps to handicap 0–15 (lower = stronger) via the league's spread multiplier.

League

9W7L16 matches·56.3% win rate
ClubSeasonsDivision(s)PWLWin %
Little Sutton B2026Division C169756.3%
DateOpponentH/AScoreResultMarginCompetitionDivision
8/13/2026Roy CookeA21-12WIN+9LeagueDivision C
8/6/2026Maureen MillerA21-11WIN+10LeagueDivision C
8/4/2026John HorrocksA21-16WIN+5LeagueDivision C
7/30/2026Steve TaylorA21-18WIN+3LeagueDivision C
7/23/2026Shaun LuckieA21-20WIN+1LeagueDivision C
7/21/2026Paul HarrisH5-21LOSS-16LeagueDivision C
7/16/2026Colin BensonA14-21LOSS-7LeagueDivision C
7/14/2026Susan WardH20-21LOSS-1LeagueDivision C
7/7/2026Roy CookeH20-21LOSS-1LeagueDivision C
7/2/2026Karl TrimbleA21-20WIN+1LeagueDivision C
6/23/2026Cameron DaviesH21-12WIN+9LeagueDivision C
6/9/2026Colin TurnerH6-21LOSS-15LeagueDivision C
6/2/2026David MansfieldA6-21LOSS-15LeagueDivision C
5/26/2026Kathryn HowardH21-16WIN+5LeagueDivision C
5/19/2026Joe RiceA21-18WIN+3LeagueDivision C
5/12/2026Andy HeronH14-21LOSS-7LeagueDivision C

Current Streak

5wins

On a hot run

Longest Win Run

5

Career best winning streak

Longest Loss Run

4

Career worst losing streak

Last 5100% win rate
WWWWW
Last 1060% win rate↑ improving
WWWWWLLLLW
OpponentWLTotalWin %Last Met
Roy Cooke11250%8/13/2026
Maureen Miller101100%8/6/2026
John Horrocks101100%8/4/2026
Steve Taylor101100%7/30/2026
Shaun Luckie101100%7/23/2026
Paul Harris0110%7/21/2026
Colin Benson0110%7/16/2026
Susan Ward0110%7/14/2026
Karl Trimble101100%7/2/2026
Cameron Davies101100%6/23/2026
Biggest Win
Maureen Miller (+10)8/6/2026
Heaviest Defeat
Paul Harris (-16)7/21/2026
Best Season
202656% · 16 matches
Worst Season
202656% · 16 matches
Form Arc (1st half → 2nd half)
50% → 63%improving
Avg Opponent Rating Faced
79016 known · 0 unknown
vs Strong Opponents (rating ≥ 1000)
0-20% win rate
vs Weak Opponents (rating < 1000)
9-564% win rate
Division C56.3%
9W·7L·16 played

Debut

May 12, 2026

Latest

Aug 13, 2026

Seasons Active

1 (3 mo span)

Matches / Season

16.0 (16 total)

Seasons

2026