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Birkenhead Sync08/09/2026|
Birkenhead Sync08/09/2026|
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Mark OBrien
Rating
932
Current Handicap
7
Season:
52
Matches Played
29
Wins
23
Losses
56%
Win Rate
8.4
Avg Win Margin
9.1
Avg Loss Margin
13-11
Home Record
16-12
Away Record
Milestones
Career
No career milestones yet — keep bowling!
Next goal: Decade Player6/10
Season Highlights
No season milestones recorded yet.
Handicap Trend
All Time · 52 matches
+7 Rising
Started0
Lowest0
Current7
Win Percentage(40%)
56%score+0.12→contribution+0.05
Avg Winning Margin(25%)
8.4score+0.07→contribution+0.02
Avg Losing Margin(15%)
9.1score-0.19→contribution-0.03
Recent Form (last 20)(10%)
70%score+0.40→contribution+0.04
Opponent Strength(10%)
907score+0.01→contribution+0.00
Weighted Score+0.078
Sample Size Confidence
48%(52/75 matches)
Rating1039 → shrunk 1019
Handicap7
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 2024, 2025, 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
29W23L52 matches·55.8% win rate
| Club | Seasons | Division(s) | P | W | L | Win % |
|---|---|---|---|---|---|---|
| Lever Club | 2019–2026 | League 1, League 2 | 46 | 26 | 20 | 56.5% |
| Albany B | 2016 | League 3 | 6 | 3 | 3 | 50% |
| Date | Opponent | H/A | Score | Result | Margin | Competition | Division |
|---|---|---|---|---|---|---|---|
| 5/8/2026 | Dave Croston | H | 21-11 | WIN | +10 | League | League 1 |
| 5/1/2026 | Victor Peers | A | 21-13 | WIN | +8 | League | League 1 |
| 5/12/2023 | Paul Bainbridge | A | 21-20 | WIN | +1 | League | League 1 |
| 4/28/2023 | John Sherlock | A | 21-20 | WIN | +1 | League | League 1 |
| 4/21/2023 | Paul Branscombe | H | 21-20 | WIN | +1 | League | League 1 |
| 9/2/2022 | vs Albany | A | 21-5 | WIN | +16 | League | League 2 |
| 8/5/2022 | Tommy Roberts | A | 12-21 | LOSS | -9 | League | League 2 |
| 8/1/2022 | vs Cammell Laird | H | 10-21 | LOSS | -11 | League | League 2 |
| 7/29/2022 | Ann Brown | H | 21-7 | WIN | +14 | League | League 2 |
| 7/18/2022 | Frank Potter | H | 21-14 | WIN | +7 | League | League 2 |
| 7/15/2022 | John Mcgibbon | H | 21-17 | WIN | +4 | League | League 2 |
| 5/30/2022 | vs Thingwall | A | 12-21 | LOSS | -9 | League | League 2 |
| 5/27/2022 | Tony Malcolm | H | 21-8 | WIN | +13 | League | League 2 |
| 5/23/2022 | Dave Thomas | H | 17-21 | LOSS | -4 | League | League 2 |
| 5/16/2022 | Les Raynor | A | 16-21 | LOSS | -5 | League | League 2 |
| 5/13/2022 | Scott Fergusson | A | 21-10 | WIN | +11 | League | League 2 |
| 5/6/2022 | Wendy Thompson | H | 21-7 | WIN | +14 | League | League 2 |
| 8/13/2021 | Wendy Thompson | A | 21-12 | WIN | +9 | League | League 2 |
| 8/6/2021 | Derek Smith | H | 20-21 | LOSS | -1 | League | League 2 |
| 7/23/2021 | Tommy Scroggie | A | 21-14 | WIN | +7 | League | League 2 |
| 7/19/2021 | Dave Bayne | H | 18-21 | LOSS | -3 | League | League 2 |
| 7/12/2021 | John Pritchard | H | 21-5 | WIN | +16 | League | League 2 |
| 7/5/2021 | Sue Wynne | A | 21-20 | WIN | +1 | League | League 2 |
| 7/2/2021 | Dave Hollywood | A | 21-10 | WIN | +11 | League | League 2 |
| 6/28/2021 | Dave Astle | H | 21-14 | WIN | +7 | League | League 2 |
| 6/14/2021 | Anita Meldrum | H | 21-12 | WIN | +9 | League | League 2 |
| 6/4/2021 | Phil Critchley | A | 13-21 | LOSS | -8 | League | League 2 |
| 5/28/2021 | Ian Moxham | H | 13-21 | LOSS | -8 | League | League 2 |
| 5/24/2021 | Jim Tunley | A | 21-3 | WIN | +18 | League | League 2 |
| 5/21/2021 | Andy Porter | H | 19-21 | LOSS | -2 | League | League 2 |
| 8/21/2019 | Darren Hankin | H | 8-21 | LOSS | -13 | League | League 1 |
| 8/12/2019 | James Whalley | A | 6-21 | LOSS | -15 | League | League 1 |
| 8/5/2019 | Frazer Jeffries | A | 21-11 | WIN | +10 | League | League 1 |
| 8/2/2019 | Jack Kiley | H | 8-21 | LOSS | -13 | League | League 1 |
| 7/26/2019 | Graham Walker | H | 21-20 | WIN | +1 | League | League 1 |
| 7/22/2019 | Brian Longer | A | 21-16 | WIN | +5 | League | League 1 |
| 7/15/2019 | Alf Mcdermott | A | 21-13 | WIN | +8 | League | League 1 |
| 7/12/2019 | Les Henderson | A | 7-21 | LOSS | -14 | League | League 1 |
| 7/5/2019 | Ken Howard | H | 15-21 | LOSS | -6 | League | League 1 |
| 7/1/2019 | Steve Scott | A | 5-21 | LOSS | -16 | League | League 1 |
| 6/14/2019 | John Dalziel | A | 5-21 | LOSS | -16 | League | League 1 |
| 6/10/2019 | Robbie Hayes | H | 21-19 | WIN | +2 | League | League 1 |
| 5/31/2019 | Paul Roberts | H | 4-21 | LOSS | -17 | League | League 1 |
| 5/24/2019 | Jamie Kearney | A | 11-21 | LOSS | -10 | League | League 1 |
| 5/10/2019 | Barbara Mcburney | A | 18-21 | LOSS | -3 | League | League 1 |
| 5/3/2019 | Mark Bunting | H | 21-7 | WIN | +14 | League | League 1 |
| 8/12/2016 | Terry Scott | A | 17-21 | LOSS | -4 | League | League 3 |
| 8/8/2016 | Dave Smart | A | 21-14 | WIN | +7 | League | League 3 |
| 8/5/2016 | Roy Cooke | H | 14-21 | LOSS | -7 | League | League 3 |
| 7/29/2016 | Derek Thomas | A | 21-10 | WIN | +11 | League | League 3 |
| 7/22/2016 | Phil Leech | A | 21-12 | WIN | +9 | League | League 3 |
| 7/1/2016 | Kevin Owens | A | 5-21 | LOSS | -16 | League | League 3 |
Frank Hurst Trophy4 games · 3W
20221 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Quarters Round | Glynis Lomax | Heswall RBL | 21-6 | WIN | WON |
20193 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Round of 32 Round | Peter Favager | Thingwall | 21-14 | WIN | WON |
| Quarters Round | Peter Martin | Oxton Conservative Club B | 21-20 | WIN | WON |
| Semi Final Round | Peter Birch | New Brighton Quarry Vikings B | 14-21 | LOSS | LOST |
Doctor Dawson Victory Cup2 games · 1W
20221 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Semi Final Round | Robin May | Tixall | 21-17 | WIN | WON |
20191 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Round of 32 Round | John Gomersall Jnr | Gladstone | 8-21 | LOSS | LOST |
Stott Cup1 games · 0W
20221 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Paul Bainbridge | Manor Road B | 13-21 | LOSS | LOST |
Current Streak
6wins
On a hot run
Longest Win Run
6
Career best winning streak
Longest Loss Run
4
Career worst losing streak
Last 5100% win rate
WWWWW
Last 1080% win rate↑ improving
WWWWWWLLWW
| Opponent | W | L | Total | Win % | Last Met |
|---|---|---|---|---|---|
| Wendy Thompson | 2 | 0 | 2 | 100% | 5/6/2022 |
| Dave Croston | 1 | 0 | 1 | 100% | 5/8/2026 |
| Victor Peers | 1 | 0 | 1 | 100% | 5/1/2026 |
| Paul Bainbridge | 1 | 0 | 1 | 100% | 5/12/2023 |
| John Sherlock | 1 | 0 | 1 | 100% | 4/28/2023 |
| Paul Branscombe | 1 | 0 | 1 | 100% | 4/21/2023 |
| Albany | 1 | 0 | 1 | 100% | 9/2/2022 |
| Tommy Roberts | 0 | 1 | 1 | 0% | 8/5/2022 |
| Cammell Laird | 0 | 1 | 1 | 0% | 8/1/2022 |
| Ann Brown | 1 | 0 | 1 | 100% | 7/29/2022 |
Biggest Win
Jim Tunley (+18)5/24/2021
Heaviest Defeat
Paul Roberts (-17)5/31/2019
Best Season
202162% · 13 matches
Worst Season
201938% · 16 matches
Form Arc (1st half → 2nd half)
38% → 73%improving
Avg Opponent Rating Faced
89345 known · 7 unknown
vs Strong Opponents (rating ≥ 1000)
1-109% win rate
vs Weak Opponents (rating < 1000)
24-1071% win rate
By Division
League 215-10 (60%)
League 111-10 (52%)
League 33-3 (50%)
League 152.4%
11W·10L·21 played
League 260%
15W·10L·25 played
League 350%
3W·3L·6 played
Debut
Jul 1, 2016
Latest
May 8, 2026
Seasons Active
6 (9.9 yr span)
Matches / Season
8.7 (52 total)
Seasons
201620192021202220232026