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

Brian Chellam

Team: Thingwall BDivision: Division BLast updated: 10/24/2026

Rating

815

Current Handicap

10
Honours
Season:

45

Matches Played

21

Wins

24

Losses

47%

Win Rate

6.6

Avg Win Margin

9.5

Avg Loss Margin

13-11

Home Record

8-13

Away Record

Milestones

Career

No career milestones yet — keep bowling!

Next goal: 50 Wins21/50

Season Highlights

No season milestones recorded yet.

Handicap Trend

All Time · 45 matches

+10 Rising
27 Jul2 Jul1 Aug10 Jun3 Jul19 May30 Jun30 Jul-125811
Started0
Lowest0
Current10
Win Percentage(35%)
47%
score-0.07→contribution-0.02
Avg Winning Margin(23%)
6.6
score-0.23→contribution-0.05
Avg Losing Margin(15%)
9.5
score-0.26→contribution-0.04
Recent Form (last 20)(10%)
50%
score+0.00→contribution+0.00
Opponent Strength(15%)
897
score-0.18→contribution-0.03
Weighted Score-0.144
Sample Size Confidence
100%(45/33 matches)
Rating942 → shrunk 942→ adjusted 813
Recent 5-Season Rating (2022, 2023, 2024, 2025, 2026)817
Recency Blend40% (45 recent matches)
Final Rating815
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

21W24L45 matches·46.7% win rate
ClubSeasonsDivision(s)PWLWin %
Thingwall B2023–2026Division B, Division C43212248.8%
Thingwall2023–2026Division A2020%
DateOpponentH/AScoreResultMarginCompetitionDivision
7/30/2026Mervyn PryceH21-9WIN+12LeagueDivision B
7/28/2026Matthew PeersA16-21LOSS-5LeagueDivision B
7/21/2026Edna CookA21-16WIN+5LeagueDivision B
7/16/2026Paul Stamp *A5-21LOSS-16LeagueDivision B
7/14/2026Martin HickmanA21-20WIN+1LeagueDivision B
7/2/2026Terry MilnerA9-21LOSS-12LeagueDivision B
6/30/2026Sandra CooperH21-14WIN+7LeagueDivision B
6/23/2026Paul Griffiths *A5-21LOSS-16LeagueDivision A
6/16/2026Graham Walker *A4-21LOSS-17LeagueDivision B
6/11/2026Alan OxtonH21-8WIN+13LeagueDivision B
5/28/2026Zoe StrattonH20-21LOSS-1LeagueDivision B
5/21/2026Phil Gordon *A3-21LOSS-18LeagueDivision B
5/19/2026Colin LitsterH21-14WIN+7LeagueDivision B
5/5/2026David MansfieldH17-21LOSS-4LeagueDivision B
8/5/2025Phillip SummersH21-11WIN+10LeagueDivision B
7/24/2025Tania GilfoyleH9-21LOSS-12LeagueDivision B
7/22/2025John RogersA7-21LOSS-14LeagueDivision B
7/8/2025Linda BiggsA21-20WIN+1LeagueDivision B
7/3/2025Phil SpencerH21-18WIN+3LeagueDivision B
7/1/2025Edna CookA21-8WIN+13LeagueDivision B
6/26/2025vs Heswall Rbl BA15-21LOSS-6LeagueDivision B
6/24/2025Joey LewisA21-16WIN+5LeagueDivision B
6/17/2025Brian SmithA21-17WIN+4LeagueDivision B
6/10/2025Paul LewinH21-16WIN+5LeagueDivision B
5/27/2025Ian PiercyH11-21LOSS-10LeagueDivision B
5/20/2025Alec HaynesA3-21LOSS-18LeagueDivision B
5/15/2025Graham HamblettH19-21LOSS-2LeagueDivision B
5/6/2025Peter JonesH17-21LOSS-4LeagueDivision B
8/6/2024Mark ProctorA21-19WIN+2LeagueDivision B
8/1/2024Sharon EllisH21-16WIN+5LeagueDivision B
7/25/2024Katrina LockwoodA5-21LOSS-16LeagueDivision B
7/23/2024Eddie MasseyA14-21LOSS-7LeagueDivision B
7/17/2024vs Arno TixallH19-21LOSS-2LeagueDivision B
7/9/2024Matthew PeersH21-20WIN+1LeagueDivision B
7/2/2024John BarkerH21-14WIN+7LeagueDivision B
6/4/2024Jeff HitchellH13-21LOSS-8LeagueDivision B
5/21/2024Harry MillingtonA12-21LOSS-9LeagueDivision B
5/7/2024Peter Smith JnrH11-21LOSS-10LeagueDivision B
8/31/2023Mike ElkinsH21-9WIN+12LeagueDivision C
8/10/2023Gerda EvansH12-21LOSS-9LeagueDivision C
7/27/2023Cathy KavanaghH21-13WIN+8LeagueDivision C
7/4/2023Tony McdonoughA21-12WIN+9LeagueDivision C
6/14/2023vs Pensby CA20-21LOSS-1LeagueDivision C
6/8/2023Nick Burridge JrH9-21LOSS-12LeagueDivision A
5/30/2023vs Bromborough Pool BH21-12WIN+9LeagueDivision C
George ONeill Trophy3 games · 1W
20261 round
RoundOpponentTeamScoreResultTeam
Preliminary RoundKeith Bailey / Ethan MarksPensby D15-0WINWON
20251 round
RoundOpponentTeamScoreResultTeam
Round of 16 RoundChris Griffiths-gripton / Gill SheenPensby A7-15LOSSLOST
20241 round
RoundOpponentTeamScoreResultTeam
Round of 16 RoundJune Buckley / Mal SmithRoyden Hall13-15LOSSLOST
Leverhulme Cup2 games · 1W
20261 round
RoundOpponentTeamScoreResultTeam
Preliminary RoundBrian DentonHeswall Rbl B21-17WINLOST
20251 round
RoundOpponentTeamScoreResultTeam
Preliminary RoundPeter McgheeCammell Laird13-21LOSSLOST
Andy Dawson Cup1 games · 0W
20261 round
RoundOpponentTeamScoreResultTeam
Preliminary RoundDave FearonGladstone B4-21LOSSLOST
Geoff Clare Trophy1 games · 1W
20231 round
RoundOpponentTeamScoreResultTeam
Quarters RoundAlan OotwynRoyden Hall21-12WINLOST

Current Streak

1wins

On a hot run

Longest Win Run

3

Career best winning streak

Longest Loss Run

4

Career worst losing streak

Last 560% win rate
WLWLW
Last 1050% win rate— steady
WLWLWLWLLW
OpponentWLTotalWin %Last Met
Matthew Peers11250%7/28/2026
Edna Cook202100%7/21/2026
Mervyn Pryce101100%7/30/2026
Paul Stamp *0110%7/16/2026
Martin Hickman101100%7/14/2026
Terry Milner0110%7/2/2026
Sandra Cooper101100%6/30/2026
Paul Griffiths *0110%6/23/2026
Graham Walker *0110%6/16/2026
Alan Oxton101100%6/11/2026
Biggest Win
Alan Oxton (+13)6/11/2026
Heaviest Defeat
Phil Gordon * (-18)5/21/2026
Best Season
202550% · 14 matches
Worst Season
202440% · 10 matches
Form Arc (1st half → 2nd half)
41% → 52%improving
Avg Opponent Rating Faced
86835 known · 10 unknown
vs Strong Opponents (rating ≥ 1000)
0-60% win rate
vs Weak Opponents (rating < 1000)
19-1066% win rate

By Division

Division B17-20 (46%)
Division C4-2 (67%)
Division A0-2 (0%)
Division A0%
0W·2L·2 played
Division B45.9%
17W·20L·37 played
Division C66.7%
4W·2L·6 played

Debut

May 30, 2023

Latest

Jul 30, 2026

Seasons Active

4 (3.2 yr span)

Matches / Season

11.3 (45 total)

Seasons

2023202420252026