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Birkenhead Sync08/09/2026|
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Crown Green Handicap

Mike Winrow

Team: Bispham Hall ADivision: Division 1Last updated: 10/24/2026

Rating

1004

Current Handicap

6
Honours
Season:

12

Matches Played

7

Wins

5

Losses

58%

Win Rate

8.1

Avg Win Margin

6.2

Avg Loss Margin

4-2

Home Record

3-3

Away Record

9%

Handicap Confidence

Low Confidence
12 / 41 matches for full confidence· Last recorded match: 8/25/2026

Only 12 of the 41 matches needed for full confidence in the 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: Decade Player3/10
✦SEASON HIGHLIGHTS

No season milestones recorded yet.

Handicap Trend

All Time · 12 matches

+6 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.

23 Jul6 May7 Apr16 Jun4 Aug25 Aug-11357

Gives 6 more chalks than at the start of this period.

Started0
Lowest0
Current6
Win Percentage(40%)
58%
score+0.17→contribution+0.07
Avg Winning Margin(25%)
8.1
score+0.02→contribution+0.01
Avg Losing Margin(15%)
6.2
score+0.30→contribution+0.04
Recent Form (last 20)(10%)
58%
score+0.17→contribution+0.02
Opponent Strength(10%)
995
score+0.16→contribution+0.02
Weighted Score+0.150
Sample Size Confidence
9%(12/41 matches)
Rating1045 → shrunk 1004
Recent 3-Season Rating (2024, 2025, 2026)1007
Recency Blend16% (12 recent matches)
Final Rating1004
Handicap
6

Formula: Rating = 1000 + (weighted score × 300). Each factor is normalized to −1…+1, multiplied by its weight, then summed. Window: factors are computed from the Handicap Calculation Years only (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 ÷ 41, 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

7W5L12 matches·58.3% win rate
ClubSeasonsDivision(s)PWLWin %
Bispham Hall A2024–2026Division 1127558.3%
DateOpponentH/AScoreResultMarginCompetitionDivision
8/25/2026Graham BrandH21-11WIN+10LeagueDivision 1
8/18/2026Brian HoughA21-10WIN+11LeagueDivision 1
8/4/2026Matthew CorlessA11-21LOSS-10LeagueDivision 1
7/14/2026Ian PalmerA21-18WIN+3LeagueDivision 1
6/16/2026Phil O'ConnorA21-13WIN+8LeagueDivision 1
5/5/2026Ian PalmerH19-21LOSS-2LeagueDivision 1
4/7/2026Eric DaviesH21-8WIN+13LeagueDivision 1
8/19/2025Matt GartsideA15-21LOSS-6LeagueDivision 1
5/6/2025Keith WilliamsH19-21LOSS-2LeagueDivision 1
4/8/2025John DuncanH21-12WIN+9LeagueDivision 1
7/23/2024Dave WebsterH21-18WIN+3LeagueDivision 1
5/1/2024Sean GartsideA10-21LOSS-11LeagueDivision 1

Current Streak

2wins

On a hot run

Longest Win Run

2

Career best winning streak

Longest Loss Run

2

Career worst losing streak

Last 580% win rate
WWLWW
Last 1060% win rate↑ improving
WWLWWLWLLW
OpponentWLTotalWin %Last Met
Ian Palmer11250%7/14/2026
Graham Brand101100%8/25/2026
Brian Hough101100%8/18/2026
Matthew Corless0110%8/4/2026
Phil O'Connor101100%6/16/2026
Eric Davies101100%4/7/2026
Matt Gartside0110%8/19/2025
Keith Williams0110%5/6/2025
John Duncan101100%4/8/2025
Dave Webster101100%7/23/2024
Biggest Win
Eric Davies (+13)4/7/2026
Heaviest Defeat
Sean Gartside (-11)5/1/2024
Form Arc (1st half → 2nd half)
50% → 67%improving
Avg Opponent Rating Faced
99512 known · 0 unknown
vs Strong Opponents (rating ≥ 1000)
2-340% win rate
vs Weak Opponents (rating < 1000)
5-271% win rate
Division 158.3%
7W·5L·12 played

Debut

May 1, 2024

Latest

Aug 25, 2026

Seasons Active

3 (2.3 yr span)

Matches / Season

4.0 (12 total)

Seasons

202420252026