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Birkenhead Sync08/09/2026|
Birkenhead Sync08/09/2026|
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Mary Kirby
Rating
707
Current Handicap
12
Season:
69
Matches Played
15
Wins
54
Losses
22%
Win Rate
6.5
Avg Win Margin
11.4
Avg Loss Margin
10-23
Home Record
5-31
Away Record
Milestones
Career
No career milestones yet — keep bowling!
Next goal: Decade Player5/10
Season Highlights
No season milestones recorded yet.
Handicap Trend
All Time · 69 matches
+12 Rising
Started0
Lowest0
Current12
Win Percentage(40%)
22%score-0.57→contribution-0.23
Avg Winning Margin(25%)
6.5score-0.24→contribution-0.06
Avg Losing Margin(15%)
11.4score-0.56→contribution-0.08
Recent Form (last 20)(10%)
20%score-0.60→contribution-0.06
Opponent Strength(10%)
812score-0.81→contribution-0.08
Weighted Score-0.513
Sample Size Confidence
85%(69/75 matches)
Rating744 → shrunk 783→ adjusted 633
Recent 1-Season Rating (2026)804
Recency Blend16% (12 recent matches)
Final Blended Rating660
Handicap12
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
15W54L69 matches·21.7% win rate
| Club | Seasons | Division(s) | P | W | L | Win % |
|---|---|---|---|---|---|---|
| Oxton Cons | 2022–2026 | Division 2 | 69 | 15 | 54 | 21.7% |
| Date | Opponent | H/A | Score | Result | Margin | Competition | Division |
|---|---|---|---|---|---|---|---|
| 8/24/2026 | Moraig Fenton | H | 11-21 | LOSS | -10 | League | Division 2 |
| 8/10/2026 | Bev Arnold (FB) | H | 5-21 | LOSS | -16 | League | Division 2 |
| 8/5/2026 | Ann Scott | A | 9-21 | LOSS | -12 | League | Division 2 |
| 7/21/2026 | Eileen Hume | A | 7-21 | LOSS | -14 | League | Division 2 |
| 7/13/2026 | Jacqui Dunbavin | H | 9-21 | LOSS | -12 | League | Division 2 |
| 7/10/2026 | Pat McHugh (SB) | A | 4-21 | LOSS | -17 | League | Division 2 |
| 6/15/2026 | Sue Wilding (SB) | H | 14-21 | LOSS | -7 | League | Division 2 |
| 6/8/2026 | Sarah Kingsland | A | 8-21 | LOSS | -13 | League | Division 2 |
| 5/28/2026 | Gill Owens | A | 9-21 | LOSS | -12 | League | Division 2 |
| 5/12/2026 | Nancy Brabander | A | 9-21 | LOSS | -12 | League | Division 2 |
| 4/30/2026 | Lynn Killoran | A | 14-21 | LOSS | -7 | League | Division 2 |
| 4/20/2026 | Jillian Acton | H | 21-12 | WIN | +9 | League | Division 2 |
| 8/29/2025 | Lesley Urbanowski (SB) | A | 18-21 | LOSS | -3 | League | Division 2 |
| 8/18/2025 | Valerie Limb | H | 12-21 | LOSS | -9 | League | Division 2 |
| 7/28/2025 | Jeannie Metcalfe | A | 21-10 | WIN | +11 | League | Division 2 |
| 7/21/2025 | Johanna Hebblewhite | H | 10-21 | LOSS | -11 | League | Division 2 |
| 7/14/2025 | Alison Potter (FB) | H | 21-18 | WIN | +3 | League | Division 2 |
| 7/7/2025 | Linda Watkins | H | 19-21 | LOSS | -2 | League | Division 2 |
| 6/30/2025 | Jenny Daniels | H | 6-21 | LOSS | -15 | League | Division 2 |
| 6/24/2025 | Linda Denton | A | 21-18 | WIN | +3 | League | Division 2 |
| 6/23/2025 | Ann Blake (FA) | H | 15-21 | LOSS | -6 | League | Division 2 |
| 6/10/2025 | Lesley Quinn | A | 17-21 | LOSS | -4 | League | Division 2 |
| 6/2/2025 | Lynn Bailey | A | 8-21 | LOSS | -13 | League | Division 2 |
| 5/12/2025 | Jeannie Metcalfe | H | 21-17 | WIN | +4 | League | Division 2 |
| 5/6/2025 | Maggie Cloney | A | 10-21 | LOSS | -11 | League | Division 2 |
| 4/22/2025 | Pat Moody | A | 10-21 | LOSS | -11 | League | Division 2 |
| 8/29/2024 | Chris Mcalister | A | 7-21 | LOSS | -14 | League | Division 2 |
| 8/19/2024 | Celia Denis | H | 21-8 | WIN | +13 | League | Division 2 |
| 8/16/2024 | Christine McBride (FB) | A | 8-21 | LOSS | -13 | League | Division 2 |
| 8/12/2024 | Valerie Cox | H | 17-21 | LOSS | -4 | League | Division 2 |
| 8/8/2024 | Barbara Grant | A | 3-21 | LOSS | -18 | League | Division 2 |
| 7/29/2024 | Dawn Parsley | H | 21-15 | WIN | +6 | League | Division 2 |
| 7/25/2024 | Gill Owens | A | 15-21 | LOSS | -6 | League | Division 2 |
| 7/8/2024 | Yvonne Salisbury (FB) | H | 6-21 | LOSS | -15 | League | Division 2 |
| 7/1/2024 | Lyne Dean | H | 21-7 | WIN | +14 | League | Division 2 |
| 6/27/2024 | Tina Barrett | A | 5-21 | LOSS | -16 | League | Division 2 |
| 6/17/2024 | Sandra Herion | H | 21-11 | WIN | +10 | League | Division 2 |
| 6/10/2024 | Barbara Grant | H | 8-21 | LOSS | -13 | League | Division 2 |
| 6/4/2024 | Cynthia Fry | A | 13-21 | LOSS | -8 | League | Division 2 |
| 5/20/2024 | Debbie Silcock | A | 0-21 | LOSS | -21 | League | Division 2 |
| 5/13/2024 | Joyce Hales | H | 17-21 | LOSS | -4 | League | Division 2 |
| 5/10/2024 | Helen Blackburn | A | 21-14 | WIN | +7 | League | Division 2 |
| 4/29/2024 | Joan Stott | H | 21-15 | WIN | +6 | League | Division 2 |
| 4/23/2024 | Lynn Bailey | A | 11-21 | LOSS | -10 | League | Division 2 |
| 8/21/2023 | Marianne Winstanley | H | 17-21 | LOSS | -4 | League | Division 2 |
| 8/9/2023 | Mandy Green | A | 12-21 | LOSS | -9 | League | Division 2 |
| 7/31/2023 | Rose Osler | H | 7-21 | LOSS | -14 | League | Division 2 |
| 7/26/2023 | Anne-Marie (FB) Proffitt | A | 4-21 | LOSS | -17 | League | Division 2 |
| 7/18/2023 | Eileen Hume | H | 21-20 | WIN | +1 | League | Division 2 |
| 6/26/2023 | Sandie Owen | H | 10-21 | LOSS | -11 | League | Division 2 |
| 6/15/2023 | Liz Duckers | A | 15-21 | LOSS | -6 | League | Division 2 |
| 6/12/2023 | Betty Chaplin | A | 14-21 | LOSS | -7 | League | Division 2 |
| 6/6/2023 | Lyne Dean | A | 21-18 | WIN | +3 | League | Division 2 |
| 5/30/2023 | Karen Ellis | A | 10-21 | LOSS | -11 | League | Division 2 |
| 5/22/2023 | Christine McBride | H | 9-21 | LOSS | -12 | League | Division 2 |
| 5/15/2023 | Jean Hodgson | H | 21-18 | WIN | +3 | League | Division 2 |
| 5/9/2023 | Debbie Phillips | A | 11-21 | LOSS | -10 | League | Division 2 |
| 9/1/2022 | Iris Batman (FB) | H | 2-21 | LOSS | -19 | League | Division 2 |
| 8/8/2022 | Leila Keighley | H | 0-21 | LOSS | -21 | League | Division 2 |
| 8/4/2022 | Marj McBridle | A | 5-21 | LOSS | -16 | League | Division 2 |
| 7/26/2022 | Pat Edge | A | 21-16 | WIN | +5 | League | Division 2 |
| 7/11/2022 | Tracey Graham | H | 11-21 | LOSS | -10 | League | Division 2 |
| 7/4/2022 | Janet Darbyshire | H | 3-21 | LOSS | -18 | League | Division 2 |
| 6/20/2022 | Maureen Delehedy | H | 15-21 | LOSS | -6 | League | Division 2 |
| 6/8/2022 | Pam Humphreys (FA) | A | 2-21 | LOSS | -19 | League | Division 2 |
| 5/19/2022 | Sue Hilton | A | 17-21 | LOSS | -4 | League | Division 2 |
| 5/16/2022 | Josie Carr | H | 6-21 | LOSS | -15 | League | Division 2 |
| 5/5/2022 | Kit Jackson (FA) | A | 6-21 | LOSS | -15 | League | Division 2 |
| 4/26/2022 | Chris Auty (FB) | A | 9-21 | LOSS | -12 | League | Division 2 |
Current Streak
11losses
In a slump
Longest Win Run
2
Career best winning streak
Longest Loss Run
11
Career worst losing streak
Last 50% win rate
LLLLL
Last 100% win rate— steady
LLLLLLLLLL
| Opponent | W | L | Total | Win % | Last Met |
|---|---|---|---|---|---|
| Eileen Hume | 1 | 1 | 2 | 50% | 7/21/2026 |
| Gill Owens | 0 | 2 | 2 | 0% | 5/28/2026 |
| Jeannie Metcalfe | 2 | 0 | 2 | 100% | 7/28/2025 |
| Lynn Bailey | 0 | 2 | 2 | 0% | 6/2/2025 |
| Barbara Grant | 0 | 2 | 2 | 0% | 8/8/2024 |
| Lyne Dean | 2 | 0 | 2 | 100% | 7/1/2024 |
| Moraig Fenton | 0 | 1 | 1 | 0% | 8/24/2026 |
| Bev Arnold (FB) | 0 | 1 | 1 | 0% | 8/10/2026 |
| Ann Scott | 0 | 1 | 1 | 0% | 8/5/2026 |
| Jacqui Dunbavin | 0 | 1 | 1 | 0% | 7/13/2026 |
Biggest Win
Lyne Dean (+14)7/1/2024
Heaviest Defeat
Debbie Silcock (-21)5/20/2024
Best Season
202433% · 18 matches
Worst Season
20228% · 12 matches
Form Arc (1st half → 2nd half)
21% → 23%improving
Avg Opponent Rating Faced
78761 known · 8 unknown
vs Strong Opponents (rating ≥ 1000)
0-100% win rate
vs Weak Opponents (rating < 1000)
15-3629% win rate
Division 221.7%
15W·54L·69 played
Debut
Apr 26, 2022
Latest
Aug 24, 2026
Seasons Active
5 (4.3 yr span)
Matches / Season
13.8 (69 total)
Seasons
20222023202420252026