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Birkenhead Sync08/09/2026|
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Calvin Gratix
Rating
1005
Current Handicap
6
Season:
64
Matches Played
28
Wins
36
Losses
44%
Win Rate
6.5
Avg Win Margin
8.9
Avg Loss Margin
14-21
Home Record
14-15
Away Record
Milestones
Career
No career milestones yet — keep bowling!
Next goal: 50 Wins28/50
Season Highlights
No season milestones recorded yet.
Handicap Trend
All Time · 64 matches
+6 Rising
Started0
Lowest0
Current6
Win Percentage(35%)
44%score-0.13→contribution-0.04
Avg Winning Margin(23%)
6.5score-0.26→contribution-0.06
Avg Losing Margin(15%)
8.9score-0.15→contribution-0.02
Recent Form (last 20)(10%)
55%score+0.10→contribution+0.01
Opponent Strength(15%)
1003score-0.12→contribution-0.02
Weighted Score-0.137
Sample Size Confidence
73%(64/75 matches)
Rating945 → shrunk 960
Recent 5-Season Rating (2022, 2023, 2024, 2025, 2026)1005
Recency Blend40% (45 recent matches)
Final Blended Rating978
Handicap6
Formula: Rating = 1000 + (weighted score × 400). 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 2022, 2023, 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
28W36L64 matches·43.8% win rate
| Club | Seasons | Division(s) | P | W | L | Win % |
|---|---|---|---|---|---|---|
| Ledsham Royal | 2019–2024 | Division A | 64 | 28 | 36 | 43.8% |
| Date | Opponent | H/A | Score | Result | Margin | Competition | Division |
|---|---|---|---|---|---|---|---|
| 8/6/2024 | vs Thingwall | H | 21-15 | WIN | +6 | League | Division A |
| 7/30/2024 | vs Tixall | H | 19-21 | LOSS | -2 | League | Division A |
| 7/18/2024 | vs Oxton Cons | A | 21-10 | WIN | +11 | League | Division A |
| 7/16/2024 | vs Pt Sunlight Vill & Wks | H | 21-17 | WIN | +4 | League | Division A |
| 7/9/2024 | vs Bromborough Recs | A | 21-4 | WIN | +17 | League | Division A |
| 7/4/2024 | vs Pensby | H | 12-21 | LOSS | -9 | League | Division A |
| 7/2/2024 | vs Parkfield | A | 7-21 | LOSS | -14 | League | Division A |
| 6/27/2024 | vs Heswall Rbl | H | 17-21 | LOSS | -4 | League | Division A |
| 6/25/2024 | vs Gladstone | H | 21-13 | WIN | +8 | League | Division A |
| 6/13/2024 | vs Lever Club | H | 18-21 | LOSS | -3 | League | Division A |
| 6/11/2024 | vs Tixall | A | 21-20 | WIN | +1 | League | Division A |
| 5/30/2024 | vs Oxton Cons | H | 21-11 | WIN | +10 | League | Division A |
| 5/28/2024 | vs Pt Sunlight Vill & Wks | A | 21-17 | WIN | +4 | League | Division A |
| 5/21/2024 | vs Bromborough Recs | H | 9-21 | LOSS | -12 | League | Division A |
| 5/16/2024 | vs Pensby | A | 16-21 | LOSS | -5 | League | Division A |
| 5/14/2024 | vs Parkfield | H | 21-11 | WIN | +10 | League | Division A |
| 8/24/2023 | vs Gladstone | A | 10-21 | LOSS | -11 | League | Division A |
| 8/22/2023 | vs Thingwall | H | 21-11 | WIN | +10 | League | Division A |
| 8/17/2023 | vs Tixall | H | 21-20 | WIN | +1 | League | Division A |
| 8/15/2023 | vs Lever Club | A | 14-21 | LOSS | -7 | League | Division A |
| 8/10/2023 | vs Cammell Laird | A | 14-21 | LOSS | -7 | League | Division A |
| 8/3/2023 | vs Oxton Cons | H | 21-8 | WIN | +13 | League | Division A |
| 8/1/2023 | vs Tixall | A | 8-21 | LOSS | -13 | League | Division A |
| 7/27/2023 | vs Pt Sunlight Vill & Wks | A | 21-18 | WIN | +3 | League | Division A |
| 7/25/2023 | vs Lever Club | H | 7-21 | LOSS | -14 | League | Division A |
| 7/13/2023 | vs Albany | H | 21-7 | WIN | +14 | League | Division A |
| 7/11/2023 | vs Thingwall | A | 21-20 | WIN | +1 | League | Division A |
| 7/6/2023 | vs Parkfield | H | 19-21 | LOSS | -2 | League | Division A |
| 6/29/2023 | vs Gladstone | H | 19-21 | LOSS | -2 | League | Division A |
| 6/15/2023 | vs Cammell Laird | H | 21-5 | WIN | +16 | League | Division A |
| 6/13/2023 | vs Oxton Cons | A | 21-18 | WIN | +3 | League | Division A |
| 6/8/2023 | vs Pt Sunlight Vill & Wks | H | 21-10 | WIN | +11 | League | Division A |
| 6/1/2023 | vs Heswall Rbl | A | 21-16 | WIN | +5 | League | Division A |
| 9/1/2022 | Steven Gardner | A | 13-21 | LOSS | -8 | League | Division A |
| 8/25/2022 | Brian Lawrence | H | 21-19 | WIN | +2 | League | Division A |
| 8/23/2022 | Sam Thompson | H | 20-21 | LOSS | -1 | League | Division A |
| 8/16/2022 | George Parnell | A | 21-16 | WIN | +5 | League | Division A |
| 8/9/2022 | Atrau Charlton | H | 17-21 | LOSS | -4 | League | Division A |
| 7/26/2022 | Steve Greenfield | H | 6-21 | LOSS | -15 | League | Division A |
| 7/21/2022 | Geoff Stamp | A | 21-14 | WIN | +7 | League | Division A |
| 6/7/2022 | Atrau Charlton | A | 4-21 | LOSS | -17 | League | Division A |
| 5/31/2022 | Nigel Hughes | A | 9-21 | LOSS | -12 | League | Division A |
| 5/24/2022 | Peter Holian | H | 20-21 | LOSS | -1 | League | Division A |
| 5/10/2022 | Gary Lewis | H | 18-21 | LOSS | -3 | League | Division A |
| 5/5/2022 | Nick Woodward | A | 21-12 | WIN | +9 | League | Division A |
| 7/29/2021 | vs Parkfield | H | 14-21 | LOSS | -7 | League | Division A |
| 7/22/2021 | vs Oxton Cons | H | 7-21 | LOSS | -14 | League | Division A |
| 7/20/2021 | vs Bromborough Recs A | A | 21-19 | WIN | +2 | League | Division A |
| 7/15/2021 | vs Lever Club | H | 17-21 | LOSS | -4 | League | Division A |
| 7/13/2021 | vs Pensby | A | 21-20 | WIN | +1 | League | Division A |
| 7/6/2021 | vs Cammell Laird | A | 12-21 | LOSS | -9 | League | Division A |
| 7/1/2021 | vs Thingwall | H | 21-19 | WIN | +2 | League | Division A |
| 6/22/2021 | vs Parkfield | A | 21-19 | WIN | +2 | League | Division A |
| 6/10/2021 | vs Bromborough Recs A | H | 9-21 | LOSS | -12 | League | Division A |
| 6/3/2021 | vs Pensby | H | 3-21 | LOSS | -18 | League | Division A |
| 5/27/2021 | vs Cammell Laird | H | 5-21 | LOSS | -16 | League | Division A |
| 5/18/2021 | vs Heswall Rbl | A | 9-21 | LOSS | -12 | League | Division A |
| 8/22/2019 | vs Lever Club | H | 11-21 | LOSS | -10 | League | Division A |
| 8/13/2019 | vs Tixall | A | 5-21 | LOSS | -16 | League | Division A |
| 7/25/2019 | vs Albany | H | 21-18 | WIN | +3 | League | Division A |
| 7/23/2019 | vs Oxton Cons | A | 2-21 | LOSS | -19 | League | Division A |
| 7/16/2019 | vs Pt Sunlight Vill & Wks | A | 17-21 | LOSS | -4 | League | Division A |
| 7/4/2019 | vs Bromborough Recs | A | 11-21 | LOSS | -10 | League | Division A |
| 7/2/2019 | vs Thingwall | H | 17-21 | LOSS | -4 | League | Division A |
George ONeill Trophy9 games · 8W
20242 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Barbara Mcburney / Nick Welsh | Parkfield | 15-10 | WIN | WON |
| Round of 16 Round | Andy Eccles / Anthony Carlson | Lever Club | 15-11 | WIN | LOST |
20233 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Cathy Kavanagh / Kevin Turner | Port Sunlight VW B | 15-5 | WIN | WON |
| Round of 16 Round | Gerda Evans / Ailsa Curry | Pensby C | 15-6 | WIN | WON |
| Quarters Round | Alan Heaton / Tony Hulley | Heswall Rbl | 15-2 | WIN | WON |
20224 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Paul Blackwell / Eddie Wood | Sea Dog | 15-4 | WIN | WON |
| Round of 16 Round | Jack Kiley / Glynis Lomax | Heswall Rbl | 15-10 | WIN | WON |
| Quarters Round | Tom Howard / Colin Portis | Lever Club | 15-7 | WIN | WON |
| Semi Final Round | Jon Ellis / James Motley | Gladstone | 9-15 | LOSS | LOST |
Leverhulme Cup4 games · 2W
20233 rounds
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Preliminary Round | Robert Holmes | Pt Sunlight Vill & Wks B | 21-12 | WIN | WON |
| Round of 16 Round | Chris Kissack | Albany | 21-19 | WIN | WON |
| Quarters Round | Nigel Hughes | Gladstone | 19-21 | LOSS | LOST |
20221 round
| Round | Opponent | Team | Score | Result | Team |
|---|---|---|---|---|---|
| Round of 16 Round | Alan Heaton | Heswall Rbl | 11-21 | LOSS | LOST |
Current Streak
1wins
On a hot run
Longest Win Run
4
Career best winning streak
Longest Loss Run
6
Career worst losing streak
Last 580% win rate
WLWWW
Last 1050% win rate↑ improving
WLWWWLLLWL
| Opponent | W | L | Total | Win % | Last Met |
|---|---|---|---|---|---|
| Oxton Cons | 4 | 2 | 6 | 66.7% | 7/18/2024 |
| Thingwall | 4 | 1 | 5 | 80% | 8/6/2024 |
| Tixall | 2 | 3 | 5 | 40% | 7/30/2024 |
| Pt Sunlight Vill & Wks | 4 | 1 | 5 | 80% | 7/16/2024 |
| Parkfield | 2 | 3 | 5 | 40% | 7/2/2024 |
| Lever Club | 0 | 5 | 5 | 0% | 6/13/2024 |
| Pensby | 1 | 3 | 4 | 25% | 7/4/2024 |
| Cammell Laird | 1 | 3 | 4 | 25% | 8/10/2023 |
| Bromborough Recs | 1 | 2 | 3 | 33.3% | 7/9/2024 |
| Heswall Rbl | 1 | 2 | 3 | 33.3% | 6/27/2024 |
Biggest Win
Unknown (+17)7/9/2024
Heaviest Defeat
Unknown (-19)7/23/2019
Nemesis
Lever Club0-5 H2H
Favourite Victim
Thingwall4-1 H2H
Best Season
202359% · 17 matches
Worst Season
202133% · 12 matches
Form Arc (1st half → 2nd half)
31% → 56%improving
Avg Opponent Rating Faced
101811 known · 53 unknown
vs Strong Opponents (rating ≥ 1000)
0-60% win rate
vs Weak Opponents (rating < 1000)
4-180% win rate
Division A43.8%
28W·36L·64 played
Debut
Jul 2, 2019
Latest
Aug 6, 2024
Seasons Active
5 (5.1 yr span)
Matches / Season
12.8 (64 total)
Seasons
20192021202220232024