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Birkenhead Sync08/09/2026|
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Malcolm Probbing
Rating
954
Current Handicap
7
Season:
55
Matches Played
27
Wins
28
Losses
49%
Win Rate
7.6
Avg Win Margin
6.6
Avg Loss Margin
17-11
Home Record
10-17
Away Record
100%
Handicap Confidence
Very Reliable55 / 39 matches for full confidence· Last recorded match: 8/2/2021
A large recent sample: 55 matches in the 2024, 2025, 2026 window, comfortably past the 39-match benchmark for full confidence. The handicap is stable and only shifts as form changes.
Milestones
Career
No career milestones yet — keep bowling!
Next goal: 50 Wins27/50
Season Highlights
No season milestones recorded yet.
Handicap Trend
All Time · 55 matches
+7 Rising
Started0
Lowest0
Current7
Win Percentage(40%)
49%score-0.02→contribution-0.01
Avg Winning Margin(25%)
7.6score-0.07→contribution-0.02
Avg Losing Margin(15%)
6.6score+0.24→contribution+0.04
Recent Form (last 20)(10%)
35%score-0.30→contribution-0.03
Opponent Strength(10%)
913score-0.12→contribution-0.01
Weighted Score-0.032
Sample Size Confidence
100%(55/39 matches)
Rating984 → shrunk 984→ adjusted 954
Handicap
7
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 (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 ÷ 39, 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
27W28L55 matches·49.1% win rate
| Club | Seasons | Division(s) | P | W | L | Win % |
|---|---|---|---|---|---|---|
| Lever Club | 2017–2021 | League 2, League 1 | 55 | 27 | 28 | 49.1% |
| Date | Opponent | H/A | Score | Result | Margin | Competition | Division |
|---|---|---|---|---|---|---|---|
| 8/2/2021 | vs Gladstone B | H | 12-21 | LOSS | -9 | League | League 2 |
| 7/30/2021 | George Goulding | A | 18-21 | LOSS | -3 | League | League 2 |
| 7/12/2021 | Nick Woodward | H | 17-21 | LOSS | -4 | League | League 2 |
| 7/9/2021 | Joe Landsborough | H | 21-8 | WIN | +13 | League | League 2 |
| 7/5/2021 | Ray Farrell | A | 8-21 | LOSS | -13 | League | League 2 |
| 6/28/2021 | Bill Atkinson | H | 12-21 | LOSS | -9 | League | League 2 |
| 6/18/2021 | Peter Holian | A | 10-21 | LOSS | -11 | League | League 2 |
| 6/14/2021 | Malcolm Hughes | H | 21-10 | WIN | +11 | League | League 2 |
| 6/11/2021 | Paul Quinlan | A | 16-21 | LOSS | -5 | League | League 2 |
| 6/4/2021 | Philip Mason | A | 21-12 | WIN | +9 | League | League 2 |
| 5/21/2021 | Dave Thomas | H | 21-13 | WIN | +8 | League | League 2 |
| 8/21/2019 | Billy Taylor | H | 21-9 | WIN | +12 | League | League 1 |
| 8/21/2019 | Craig Saville | H | 19-21 | LOSS | -2 | League | League 1 |
| 8/14/2019 | Ray Jones | A | 11-21 | LOSS | -10 | League | League 1 |
| 8/12/2019 | Craig Saville | A | 12-21 | LOSS | -9 | League | League 1 |
| 8/5/2019 | Rob Ollerhead | A | 21-17 | WIN | +4 | League | League 1 |
| 8/2/2019 | Mike Brook | H | 17-21 | LOSS | -4 | League | League 1 |
| 7/22/2019 | Dave Rimmer | A | 9-21 | LOSS | -12 | League | League 1 |
| 7/19/2019 | John Sherlock | H | 15-21 | LOSS | -6 | League | League 1 |
| 7/15/2019 | Paul Branscombe | A | 21-17 | WIN | +4 | League | League 1 |
| 7/12/2019 | Anthony Thompson | A | 12-21 | LOSS | -9 | League | League 1 |
| 7/5/2019 | Allan Bainbridge | H | 21-20 | WIN | +1 | League | League 1 |
| 7/1/2019 | Paul Saville | A | 14-21 | LOSS | -7 | League | League 1 |
| 6/28/2019 | Steve Nugent | H | 21-13 | WIN | +8 | League | League 1 |
| 5/10/2019 | Howie Smith | A | 4-21 | LOSS | -17 | League | League 1 |
| 8/6/2018 | Mal Evans | H | 21-5 | WIN | +16 | League | League 1 |
| 8/3/2018 | Peter Mcbride | A | 16-21 | LOSS | -5 | League | League 1 |
| 7/27/2018 | Peter Mcbride | H | 21-15 | WIN | +6 | League | League 1 |
| 7/6/2018 | James Isaac | H | 21-19 | WIN | +2 | League | League 1 |
| 7/2/2018 | Sandra Astles | A | 21-19 | WIN | +2 | League | League 1 |
| 6/29/2018 | # Joan Walker | H | 21-2 | WIN | +19 | League | League 1 |
| 6/22/2018 | vs New Brighton Quarry Vikings C | A | 15-21 | LOSS | -6 | League | League 1 |
| 6/15/2018 | Tommy Walker | A | 15-21 | LOSS | -6 | League | League 1 |
| 6/11/2018 | Dave Hulmston | H | 21-17 | WIN | +4 | League | League 1 |
| 6/8/2018 | Peter Harrison | A | 21-16 | WIN | +5 | League | League 1 |
| 6/4/2018 | Peter Jones | A | 15-21 | LOSS | -6 | League | League 1 |
| 6/1/2018 | Paul Ollerhead | H | 21-15 | WIN | +6 | League | League 1 |
| 5/25/2018 | Dave Smart | A | 21-11 | WIN | +10 | League | League 1 |
| 5/21/2018 | Malcolm Johnson | A | 8-21 | LOSS | -13 | League | League 1 |
| 5/18/2018 | Terry Smith | H | 18-21 | LOSS | -3 | League | League 1 |
| 5/11/2018 | Brian Thomlinson | A | 21-19 | WIN | +2 | League | League 1 |
| 5/4/2018 | Bill Jones | H | 18-21 | LOSS | -3 | League | League 1 |
| 4/20/2018 | Stan Newell | H | 21-18 | WIN | +3 | League | League 1 |
| 8/11/2017 | Aaron Richards | H | 21-5 | WIN | +16 | League | League 1 |
| 8/7/2017 | Lee Abbott | A | 21-11 | WIN | +10 | League | League 1 |
| 7/31/2017 | Ritchie Norbury | H | 20-21 | LOSS | -1 | League | League 1 |
| 7/17/2017 | Nigel Lowe | A | 21-15 | WIN | +6 | League | League 1 |
| 6/30/2017 | # Arthur Hall | A | 19-21 | LOSS | -2 | League | League 1 |
| 6/19/2017 | Les Richards | H | 21-16 | WIN | +5 | League | League 1 |
| 6/16/2017 | Michael Hinds | H | 20-21 | LOSS | -1 | League | League 1 |
| 6/12/2017 | Ian Hulme | H | 21-13 | WIN | +8 | League | League 1 |
| 6/9/2017 | # Bob Hodgson | A | 21-16 | WIN | +5 | League | League 1 |
| 6/2/2017 | John Kayll | H | 19-21 | LOSS | -2 | League | League 1 |
| 5/19/2017 | Derek Macdonald | A | 15-21 | LOSS | -6 | League | League 1 |
| 4/21/2017 | Barbara Ryding | H | 21-12 | WIN | +9 | League | League 1 |
Cec Hannay Rose Bowl8 games · 4W
20191 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Ian Stead | New Brighton Quarry Vikings | 11-21 | LOSS | LOST |
20183 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | John Brierley | Poulton | 21-7 | WIN | WON |
| Round of 32 Round | Barry Smith * | Manor Road | 21-15 | WIN | WON |
| Round of 16 Round | Wayne Roberts | Kings 2000 | 20-21 | LOSS | WON |
20172 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Mike Gallagher | Kendal | 21-9 | WIN | WON |
| Round of 32 Round | * Jim Hulican | Manor Road | 16-21 | LOSS | WON |
20162 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Round of 32 Round | Paul Diamond | Lever Club B | 13-21 | LOSS | WON |
| Round of 16 Round | Jack Killey | Heswall RBL B | 21-15 | WIN | LOST |
Cartwright Cup1 games · 1W
20191 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Joan Walker | Hoylake Central & Melrose | 21-8 | WIN | LOST |
1 Cup Title Won
Stott Cup 2018· Lever Club
Stott Cup5 games · 4W 1×
20191 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Tommy James | Naval Club | 21-17 | WIN | LOST |
2018 Winner4 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | John Randles | St Georges | 21-12 | WIN | WON |
| Quarters Round | Tommy Walker | Hoylake Central & Melrose | 21-19 | WIN | WON |
| Semi Final Round | Dave Eaton | Thingwall | 15-21 | LOSS | WON |
| Final Round | Dave Hulmston | Albany | 21-5 | WIN | WON |
Doctor Dawson Victory Cup2 games · 2W
20191 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Round of 32 Round | Rob Ollerhead | Gladstone | 21-15 | WIN | LOST |
20181 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Jimmy Kearney | New Brighton Quarry Vikings B | 21-14 | WIN | LOST |
Frank Hurst Trophy2 games · 2W
20192 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Round of 32 Round | Eric Anderson | Thingwall | 21-8 | WIN | WON |
| Quarters Round | Eric Cook | Oxton Conservative Club B | 21-16 | WIN | WON |
Graham White Cup1 games · 1W
20161 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Steve Langton | Oxton Cons B | 21-12 | WIN | LOST |
Current Streak
3losses
In a slump
Longest Win Run
4
Career best winning streak
Longest Loss Run
3
Career worst losing streak
Last 520% win rate
LLLWL
Last 1030% win rate— steady
LLLWLLLWLW
| Opponent | W | L | Total | Win % | Last Met |
|---|---|---|---|---|---|
| Craig Saville | 0 | 2 | 2 | 0% | 8/21/2019 |
| Peter Mcbride | 1 | 1 | 2 | 50% | 8/3/2018 |
| Gladstone B | 0 | 1 | 1 | 0% | 8/2/2021 |
| George Goulding | 0 | 1 | 1 | 0% | 7/30/2021 |
| Nick Woodward | 0 | 1 | 1 | 0% | 7/12/2021 |
| Joe Landsborough | 1 | 0 | 1 | 100% | 7/9/2021 |
| Ray Farrell | 0 | 1 | 1 | 0% | 7/5/2021 |
| Bill Atkinson | 0 | 1 | 1 | 0% | 6/28/2021 |
| Peter Holian | 0 | 1 | 1 | 0% | 6/18/2021 |
| Malcolm Hughes | 1 | 0 | 1 | 100% | 6/14/2021 |
Biggest Win
# Joan Walker (+19)6/29/2018
Heaviest Defeat
Howie Smith (-17)5/10/2019
Best Season
201861% · 18 matches
Worst Season
201936% · 14 matches
Form Arc (1st half → 2nd half)
59% → 39%declining
Avg Opponent Rating Faced
89144 known · 11 unknown
vs Strong Opponents (rating ≥ 1000)
5-742% win rate
vs Weak Opponents (rating < 1000)
17-1553% win rate
By Division
League 123-21 (52%)
League 24-7 (36%)
League 152.3%
23W·21L·44 played
League 236.4%
4W·7L·11 played
Debut
Apr 21, 2017
Latest
Aug 2, 2021
Seasons Active
4 (4.3 yr span)
Matches / Season
13.8 (55 total)
Seasons
2017201820192021