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Birkenhead Sync08/09/2026|
Birkenhead Sync08/09/2026|
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Sandra Herion
Rating
739
Current Handicap
11
Season:
83
Matches Played
29
Wins
54
Losses
35%
Win Rate
7.7
Avg Win Margin
8.7
Avg Loss Margin
16-27
Home Record
13-27
Away Record
Milestones
Career
No career milestones yet — keep bowling!
Next goal: 50 Wins29/50
Season Highlights
No season milestones recorded yet.
Handicap Trend
All Time · 83 matches
+11 Rising
Started0
Lowest0
Current11
Win Percentage(40%)
52%score+0.04→contribution+0.02
Avg Winning Margin(25%)
8.2score+0.03→contribution+0.01
Avg Losing Margin(15%)
7.5score+0.08→contribution+0.01
Recent Form (last 20)(10%)
60%score+0.20→contribution+0.02
Opponent Strength(10%)
785score-0.19→contribution-0.02
Weighted Score+0.037
Sample Size Confidence
100%(23/17 matches)
Rating1018 → shrunk 1018→ adjusted 751
Recent 1-Season Rating (2026)711
Recency Blend31% (23 recent matches)
Final Rating739
Handicap
11
Formula: Rating = 1000 + (weighted score × 500). Each factor is normalized to −1…+1, multiplied by its weight, then summed. Window: factors are computed from the Handicap Calculation Years only (2026), excluding walkovers — the same window the official recalculation uses. Bayesian shrinkage: the raw rating is pulled toward 1000 by confidence (window matches ÷ 17, 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
29W54L83 matches·34.9% win rate
+33 since first recorded
| Club | Seasons | Division(s) | P | W | L | Win % |
|---|---|---|---|---|---|---|
| West Kirby C | 2022–2026 | Division 2 | 71 | 25 | 46 | 35.2% |
| West Kirby B | 2023–2026 | Division 2, Division 1 | 12 | 4 | 8 | 33.3% |
| Date | Opponent | H/A | Score | Result | Margin | Competition | Division |
|---|---|---|---|---|---|---|---|
| 8/26/2026 | Joy Brannagan | H | 21-0 | WIN | +21 | League | Division 2 |
| 8/24/2026 | Lynsey Boyce | A | 21-19 | WIN | +2 | League | Division 2 |
| 8/21/2026 | Judith Graham | H | 20-21 | LOSS | -1 | League | Division 2 |
| 8/10/2026 | Margaret Cowan | A | 11-21 | LOSS | -10 | League | Division 2 |
| 8/7/2026 | Carol Bradley | H | 16-21 | LOSS | -5 | League | Division 2 |
| 8/5/2026 | Julie Parry | H | 9-21 | LOSS | -12 | League | Division 2 |
| 7/30/2026 | Sylvia Wood (SB) | A | 15-21 | LOSS | -6 | League | Division 2 |
| 7/28/2026 | Brenda Dalton | A | 21-18 | WIN | +3 | League | Division 2 |
| 7/27/2026 | Jacqui Dunbavin | H | 17-21 | LOSS | -4 | League | Division 2 |
| 7/16/2026 | Pat Brennan | A | 21-8 | WIN | +13 | League | Division 2 |
| 7/14/2026 | Paula Jennings | A | 10-21 | LOSS | -11 | League | Division 2 |
| 7/10/2026 | Margaret Cowan | H | 21-15 | WIN | +6 | League | Division 2 |
| 7/3/2026 | Linda Hill | H | 21-7 | WIN | +14 | League | Division 2 |
| 7/2/2026 | Brenda Baxendale | A | 21-14 | WIN | +7 | League | Division 2 |
| 6/23/2026 | Celia Dennis | A | 21-13 | WIN | +8 | League | Division 2 |
| 6/22/2026 | Debbie Phillips | H | 19-21 | LOSS | -2 | League | Division 2 |
| 6/16/2026 | Lynne Messenger | A | 21-12 | WIN | +9 | League | Division 2 |
| 6/8/2026 | Janet Mantle | H | 21-19 | WIN | +2 | League | Division 2 |
| 6/5/2026 | Hazel Langley | A | 21-16 | WIN | +5 | League | Division 2 |
| 5/13/2026 | Frances Marmion (SB) | H | 21-13 | WIN | +8 | League | Division 2 |
| 5/12/2026 | Jayne Bennett | A | 7-21 | LOSS | -14 | League | Division 2 |
| 4/29/2026 | Joyce Bell (SB) | A | 10-21 | LOSS | -11 | League | Division 2 |
| 4/22/2026 | Alison Potter (FB) | H | 14-21 | LOSS | -7 | League | Division 2 |
| 8/28/2025 | Cynthia Fry | H | 6-21 | LOSS | -15 | League | Division 2 |
| 8/21/2025 | Angela Holden | H | 11-21 | LOSS | -10 | League | Division 2 |
| 8/14/2025 | Joy Rynkiewicz | A | 9-21 | LOSS | -12 | League | Division 2 |
| 8/13/2025 | Pat Wakefield | H | 18-21 | LOSS | -3 | League | Division 2 |
| 7/28/2025 | Jean Holmes | H | 21-15 | WIN | +6 | League | Division 2 |
| 7/24/2025 | Carolyn Pennington | A | 21-13 | WIN | +8 | League | Division 2 |
| 7/22/2025 | Carol Bradley | A | 12-21 | LOSS | -9 | League | Division 2 |
| 7/15/2025 | Lesley Quinn | A | 14-21 | LOSS | -7 | League | Division 2 |
| 7/9/2025 | Sandie Owen | H | 15-21 | LOSS | -6 | League | Division 2 |
| 7/7/2025 | Joan Cairns | A | 17-21 | LOSS | -4 | League | Division 2 |
| 7/3/2025 | June Sillitoe | H | 21-1 | WIN | +20 | League | Division 2 |
| 6/16/2025 | Lynn Bailey | A | 5-21 | LOSS | -16 | League | Division 2 |
| 6/5/2025 | Jean Hodgson | H | 21-20 | WIN | +1 | League | Division 2 |
| 6/3/2025 | Di Williams | A | 14-21 | LOSS | -7 | League | Division 2 |
| 5/30/2025 | Veronica Thompson (SB) | A | 21-15 | WIN | +6 | League | Division 2 |
| 5/28/2025 | Julie Scregg (FB) | H | 18-21 | LOSS | -3 | League | Division 2 |
| 5/21/2025 | Alison Burt | H | 21-12 | WIN | +9 | League | Division 2 |
| 5/12/2025 | Beryl Gernon | H | 21-6 | WIN | +15 | League | Division 2 |
| 5/6/2025 | Belinda Clair | H | 21-6 | WIN | +15 | League | Division 2 |
| 4/30/2025 | June Sillitoe | A | 8-21 | LOSS | -13 | League | Division 2 |
| 4/28/2025 | Hefina Howarth( FB) | H | 15-21 | LOSS | -6 | League | Division 2 |
| 8/8/2024 | Eileen O'Connor | H | 14-21 | LOSS | -7 | League | Division 2 |
| 7/2/2024 | Dawn Parsley | A | 9-21 | LOSS | -12 | League | Division 2 |
| 6/19/2024 | Pat Cross | H | 14-21 | LOSS | -7 | League | Division 2 |
| 6/17/2024 | Mary Kirby | A | 11-21 | LOSS | -10 | League | Division 2 |
| 6/10/2024 | Lynsey Boyce | A | 7-21 | LOSS | -14 | League | Division 2 |
| 5/28/2024 | Lyne Dean | A | 21-17 | WIN | +4 | League | Division 2 |
| 5/24/2024 | Mandy Green | H | 9-21 | LOSS | -12 | League | Division 2 |
| 5/16/2024 | Yvonne Salisbury (FB) | A | 7-21 | LOSS | -14 | League | Division 2 |
| 5/2/2024 | Pat McHugh (SB) | A | 16-21 | LOSS | -5 | League | Division 2 |
| 4/24/2024 | Pat Beatie | H | 21-19 | WIN | +2 | League | Division 2 |
| 4/22/2024 | Iris Batman (SB) | H | 7-21 | LOSS | -14 | League | Division 2 |
| 8/22/2023 | Rita Simpson | A | 12-21 | LOSS | -9 | League | Division 2 |
| 8/16/2023 | Karen Ellis | H | 9-21 | LOSS | -12 | League | Division 2 |
| 8/4/2023 | Linda Denton | H | 18-21 | LOSS | -3 | League | Division 2 |
| 7/26/2023 | Sue Rimmer | H | 18-21 | LOSS | -3 | League | Division 2 |
| 7/20/2023 | Gillian Mcaleny | A | 5-21 | LOSS | -16 | League | Division 2 |
| 7/12/2023 | Maureen Delehedy | H | 21-18 | WIN | +3 | League | Division 2 |
| 7/6/2023 | Brenda Smith | A | 21-18 | WIN | +3 | League | Division 2 |
| 7/4/2023 | Margaret Shaw | A | 16-21 | LOSS | -5 | League | Division 2 |
| 6/28/2023 | Debra Gurney | H | 18-21 | LOSS | -3 | League | Division 2 |
| 6/21/2023 | Linda Sherratt | H | 10-21 | LOSS | -11 | League | Division 2 |
| 6/1/2023 | Sue Cox | A | 21-9 | WIN | +12 | League | Division 2 |
| 5/24/2023 | Margaret Page (FA) | A | 10-21 | LOSS | -11 | League | Division 1 |
| 5/22/2023 | Marie Lister | A | 13-21 | LOSS | -8 | League | Division 2 |
| 5/18/2023 | Betty Chaplin | H | 21-18 | WIN | +3 | League | Division 2 |
| 5/12/2023 | Kit Jackson (SA) | H | 15-21 | LOSS | -6 | League | Division 1 |
| 5/10/2023 | Tina Barrett | A | 21-12 | WIN | +9 | League | Division 2 |
| 5/4/2023 | Ann Morgan | H | 21-17 | WIN | +4 | League | Division 2 |
| 9/2/2022 | Marianne Winstanley | H | 20-21 | LOSS | -1 | League | Division 2 |
| 9/1/2022 | Gill Smith | A | 5-21 | LOSS | -16 | League | Division 2 |
| 8/25/2022 | Kit Jackson (FA) | A | 7-21 | LOSS | -14 | League | Division 2 |
| 8/24/2022 | vs Greasby A | A | 13-21 | LOSS | -8 | League | Division 2 |
| 7/8/2022 | Beryl Masterson | H | 18-21 | LOSS | -3 | League | Division 2 |
| 7/7/2022 | Ann Blake | A | 8-21 | LOSS | -13 | League | Division 2 |
| 6/24/2022 | Lynne Cooper | H | 10-21 | LOSS | -11 | League | Division 2 |
| 5/16/2022 | vs Greasby A | H | 21-16 | WIN | +5 | League | Division 2 |
| 5/13/2022 | Linda Darlington (FA) | H | 9-21 | LOSS | -12 | League | Division 2 |
| 4/29/2022 | Joan McBride (FA) | A | 9-21 | LOSS | -12 | League | Division 2 |
| 4/25/2022 | Helen Blackburn (SB) | H | 15-21 | LOSS | -6 | League | Division 2 |
Current Streak
2wins
On a hot run
Longest Win Run
4
Career best winning streak
Longest Loss Run
7
Career worst losing streak
Last 540% win rate
WWLLL
Last 1040% win rate— steady
WWLLLLLWLW
| Opponent | W | L | Total | Win % | Last Met |
|---|---|---|---|---|---|
| Lynsey Boyce | 1 | 1 | 2 | 50% | 8/24/2026 |
| Margaret Cowan | 1 | 1 | 2 | 50% | 8/10/2026 |
| Carol Bradley | 0 | 2 | 2 | 0% | 8/7/2026 |
| June Sillitoe | 1 | 1 | 2 | 50% | 7/3/2025 |
| Greasby A | 1 | 1 | 2 | 50% | 8/24/2022 |
| Joy Brannagan | 1 | 0 | 1 | 100% | 8/26/2026 |
| Judith Graham | 0 | 1 | 1 | 0% | 8/21/2026 |
| Julie Parry | 0 | 1 | 1 | 0% | 8/5/2026 |
| Sylvia Wood (SB) | 0 | 1 | 1 | 0% | 7/30/2026 |
| Brenda Dalton | 1 | 0 | 1 | 100% | 7/28/2026 |
Biggest Win
Joy Brannagan (+21)8/26/2026
Heaviest Defeat
Lynn Bailey (-16)6/16/2025
Best Season
202652% · 23 matches
Worst Season
20229% · 11 matches
Form Arc (1st half → 2nd half)
22% → 48%improving
Avg Opponent Rating Faced
77775 known · 8 unknown
vs Strong Opponents (rating ≥ 1000)
1-713% win rate
vs Weak Opponents (rating < 1000)
26-4139% win rate
By Division
Division 229-52 (36%)
Division 10-2 (0%)
Division 10%
0W·2L·2 played
Division 235.8%
29W·52L·81 played
Debut
Apr 25, 2022
Latest
Aug 26, 2026
Seasons Active
5 (4.3 yr span)
Matches / Season
16.6 (83 total)
Seasons
20222023202420252026