Initial VIPR
3.4180
Registry seed
Current VIPR
3.4445
After latest rated game
Net Movement
+0.0265
Current minus initial
Record
19-17
53% win rate · 36 rated games
Storyline
Mathis Hediger entered VIPR with an initial registry rating of 3.4180. Across 36 rated doubles games, the player went 19-17 and moved +0.0265, finishing at 3.4445.
Why It Moved
AI-generated explanation: The 19-17 record produced +0.1902 from wins and -0.1637 from losses, for a net move of +0.0265. The biggest single-game impact was +0.0175 against Sunil Sadhwani as partner and Edward Gainer / Dan Civitarese as opponents. In game #28 on 2026-09-10, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.4948 vs opponent team 3.8364.
Partner Chemistry
Partnership patterns are starting to emerge.
Mathis's most common partner signals so far: Sunil Sadhwani (3-1, 75%), Kevin Geraty (1-3, 25%), Robert McCollough (3-0, 100%), Ken Lomando (2-1, 67%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Streaks & Rivalries
Rivalry
Mathis has faced Ken Lomando 7 times - record: 2-5. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-02 | 3-1 | 3.4180 | 3.4416 | +0.0236 |
| 2026-07-09 | 3-1 | 3.4416 | 3.4528 | +0.0112 |
| 2026-07-16 | 3-1 | 3.4528 | 3.4794 | +0.0266 |
| 2026-08-20 | 2-2 | 3.4794 | 3.4667 | -0.0127 |
| 2026-08-27 | 2-2 | 3.4667 | 3.4642 | -0.0025 |
| 2026-09-03 | 3-1 | 3.4642 | 3.4911 | +0.0269 |
| 2026-09-10 | 1-3 | 3.4911 | 3.4813 | -0.0098 |
| 2026-10-01 | 1-3 | 3.4813 | 3.4653 | -0.0160 |
| 2026-10-29 | 1-3 | 3.4653 | 3.4445 | -0.0208 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-02 Thursday Men's Ladder League - Summer 2026 |
Loss | 5-11 | Sunil Sadhwani | Kenneth Enos / Nick Goldsmith | 3.4180 | -0.0078 | 3.4102 |
| 2 | 2026-07-02 Thursday Men's Ladder League - Summer 2026 |
Win | 11-10 | Kenneth Enos | Nick Goldsmith / Sunil Sadhwani | 3.4102 | +0.0092 | 3.4194 |
| 3 | 2026-07-02 Thursday Men's Ladder League - Summer 2026 |
Win | 11-9 | Nick Goldsmith | Kenneth Enos / Sunil Sadhwani | 3.4194 | +0.0094 | 3.4288 |
| 4 | 2026-07-02 Thursday Men's Ladder League - Summer 2026 |
Win | 11-10 | Sunil Sadhwani | Kenneth Enos / Nick Goldsmith | 3.4288 | +0.0128 | 3.4416 |
| 5 | 2026-07-09 Thursday Men's Ladder League - Summer 2026 |
Win | 11-3 | Rusty Bateman | Mike Long / David Roman | 3.4416 | +0.0050 | 3.4466 |
| 6 | 2026-07-09 Thursday Men's Ladder League - Summer 2026 |
Win | 11-6 | David Roman | Mike Long / Jerry Johnson | 3.4466 | +0.0041 | 3.4507 |
| 7 | 2026-07-09 Thursday Men's Ladder League - Summer 2026 |
Win | 11-2 | Mike Long | Rusty Bateman / Jerry Johnson | 3.4507 | +0.0087 | 3.4594 |
| 8 | 2026-07-09 Thursday Men's Ladder League - Summer 2026 |
Loss | 10-11 | Jerry Johnson | Rusty Bateman / David Roman | 3.4594 | -0.0066 | 3.4528 |
| 9 | 2026-07-16 Thursday Men's Ladder League - Summer 2026 |
Loss | 3-11 | Joel Lancaster | Sunil Sadhwani / Kevin Geraty | 3.4528 | -0.0140 | 3.4388 |
| 10 | 2026-07-16 Thursday Men's Ladder League - Summer 2026 |
Win | 11-1 | Robert McCollough | Sunil Sadhwani / Joel Lancaster | 3.4388 | +0.0110 | 3.4498 |
| 11 | 2026-07-16 Thursday Men's Ladder League - Summer 2026 |
Win | 11-4 | Kevin Geraty | Robert McCollough / Joel Lancaster | 3.4498 | +0.0153 | 3.4651 |
| 12 | 2026-07-16 Thursday Men's Ladder League - Summer 2026 |
Win | 11-6 | Sunil Sadhwani | Robert McCollough / Kevin Geraty | 3.4651 | +0.0143 | 3.4794 |
| 13 | 2026-08-20 Thursday Men's Ladder League - Summer 2026 |
Win | 11-2 | Jim Toth | Mike Long / Kenneth Enos | 3.4794 | +0.0036 | 3.4830 |
| 14 | 2026-08-20 Thursday Men's Ladder League - Summer 2026 |
Loss | 9-11 | Kenneth Enos | Mike Long / David Roman | 3.4830 | -0.0165 | 3.4665 |
| 15 | 2026-08-20 Thursday Men's Ladder League - Summer 2026 |
Loss | 6-11 | David Roman | Jim Toth / Kenneth Enos | 3.4665 | -0.0068 | 3.4597 |
| 16 | 2026-08-20 Thursday Men's Ladder League - Summer 2026 |
Win | 11-2 | Jim Toth | David Roman / Kenneth Enos | 3.4597 | +0.0070 | 3.4667 |
| 17 | 2026-08-27 Thursday Men's Ladder League - Summer 2026 |
Win | 11-9 | Dennis Berrigan | Mike Long / Ken Lomando | 3.4667 | +0.0051 | 3.4718 |
| 18 | 2026-08-27 Thursday Men's Ladder League - Summer 2026 |
Loss | 10-11 | Ken Lomando | Mike Long / Rusty Bateman | 3.4718 | -0.0168 | 3.4550 |
| 19 | 2026-08-27 Thursday Men's Ladder League - Summer 2026 |
Win | 11-3 | Mike Long | Dennis Berrigan / Rusty Bateman | 3.4550 | +0.0143 | 3.4693 |
| 20 | 2026-08-27 Thursday Men's Ladder League - Summer 2026 |
Loss | 2-11 | Rusty Bateman | Dennis Berrigan / Ken Lomando | 3.4693 | -0.0051 | 3.4642 |
| 21 | 2026-09-03 Thursday Men's Ladder League - Summer 2026 |
Win | 11-8 | Dennis Berrigan | Ernest Ferguson / Robert McCollough | 3.4642 | +0.0117 | 3.4759 |
| 22 | 2026-09-03 Thursday Men's Ladder League - Summer 2026 |
Win | 11-7 | Robert McCollough | Ernest Ferguson / Ken Lomando | 3.4759 | +0.0116 | 3.4875 |
| 23 | 2026-09-03 Thursday Men's Ladder League - Summer 2026 |
Loss | 9-11 | Ernest Ferguson | Dennis Berrigan / Ken Lomando | 3.4875 | -0.0079 | 3.4796 |
| 24 | 2026-09-03 Thursday Men's Ladder League - Summer 2026 |
Win | 11-4 | Ken Lomando | Dennis Berrigan / Robert McCollough | 3.4796 | +0.0115 | 3.4911 |
| 25 | 2026-09-10 Thursday Men's Ladder League - Summer 2026 |
Loss | 3-11 | Kevin Geraty | Sunil Sadhwani / Edward Gainer | 3.4911 | -0.0087 | 3.4824 |
| 26 | 2026-09-10 Thursday Men's Ladder League - Summer 2026 |
Loss | 5-11 | Edward Gainer | Kevin Geraty / Dan Civitarese | 3.4824 | -0.0033 | 3.4791 |
| 27 | 2026-09-10 Thursday Men's Ladder League - Summer 2026 |
Loss | 7-11 | Dan Civitarese | Sunil Sadhwani / Kevin Geraty | 3.4791 | -0.0153 | 3.4638 |
| 28 | 2026-09-10 Thursday Men's Ladder League - Summer 2026 |
Win | 11-3 | Sunil Sadhwani | Edward Gainer / Dan Civitarese | 3.4638 | +0.0175 | 3.4813 |
| 29 | 2026-10-01 Thursday Men's Ladder League - Fall 2026 |
Loss | 5-11 | Kevin Geraty | Ernest Ferguson / Ken Lomando | 3.4813 | -0.0094 | 3.4719 |
| 30 | 2026-10-01 Thursday Men's Ladder League - Fall 2026 |
Win | 11-8 | Ken Lomando | Kevin Geraty / Ernest Ferguson | 3.4719 | +0.0106 | 3.4825 |
| 31 | 2026-10-01 Thursday Men's Ladder League - Fall 2026 |
Loss | 4-11 | Ernest Ferguson | Kevin Geraty / Ken Lomando | 3.4825 | -0.0081 | 3.4744 |
| 32 | 2026-10-01 Thursday Men's Ladder League - Fall 2026 |
Loss | 5-11 | Kevin Geraty | Ernest Ferguson / Ken Lomando | 3.4744 | -0.0091 | 3.4653 |
| 33 | 2026-10-29 Thursday Men's Ladder League - Fall 2026 |
Loss | 9-11 | John Patton | Brian Lemon / Glen Yergeau | 3.4653 | -0.0056 | 3.4597 |
| 34 | 2026-10-29 Thursday Men's Ladder League - Fall 2026 |
Loss | 9-11 | Glen Yergeau | John Patton / Robert McCollough | 3.4597 | -0.0140 | 3.4457 |
| 35 | 2026-10-29 Thursday Men's Ladder League - Fall 2026 |
Win | 11-8 | Robert McCollough | Brian Lemon / John Patton | 3.4457 | +0.0075 | 3.4532 |
| 36 | 2026-10-29 Thursday Men's Ladder League - Fall 2026 |
Loss | 3-11 | Brian Lemon | Glen Yergeau / Robert McCollough | 3.4532 | -0.0087 | 3.4445 |
Formula Homework
These rows show the team ratings used in the adjustment calculation. The computed delta is the signed rating change produced by the current v0.6 formula.
| # | Player Team ( AVG ) | Opponent Team ( AVG ) | Winner-Loser VIPR Diff | Computed Delta |
|---|---|---|---|---|
| 1 | 3.3977 | 3.4738 | +0.0761 | -0.0078 |
| 2 | 3.4371 | 3.4090 | +0.0281 | +0.0092 |
| 3 | 3.4330 | 3.4131 | +0.0199 | +0.0094 |
| 4 | 3.3825 | 3.4817 | -0.0992 | +0.0128 |
| 5 | 3.3873 | 3.1976 | +0.1897 | +0.0050 |
| 6 | 3.3538 | 3.1195 | +0.2343 | +0.0041 |
| 7 | 3.2308 | 3.1851 | +0.0456 | +0.0087 |
| 8 | 3.2141 | 3.3353 | +0.1212 | -0.0066 |
| 9 | 3.5707 | 3.4216 | -0.1491 | -0.0140 |
| 10 | 3.4899 | 3.5241 | -0.0342 | +0.0110 |
| 11 | 3.4759 | 3.6805 | -0.2045 | +0.0153 |
| 12 | 3.4064 | 3.5680 | -0.1617 | +0.0143 |
| 13 | 3.5216 | 3.2598 | +0.2618 | +0.0036 |
| 14 | 3.4848 | 3.2177 | -0.2671 | -0.0165 |
| 15 | 3.4040 | 3.5179 | +0.1139 | -0.0068 |
| 16 | 3.5109 | 3.4031 | +0.1079 | +0.0070 |
| 17 | 3.4932 | 3.3047 | +0.1885 | +0.0051 |
| 18 | 3.5124 | 3.2225 | -0.2900 | -0.0168 |
| 19 | 3.2657 | 3.4248 | -0.1591 | +0.0143 |
| 20 | 3.3782 | 3.5645 | +0.1863 | -0.0051 |
| 21 | 3.4942 | 3.5528 | -0.0586 | +0.0117 |
| 22 | 3.4960 | 3.5529 | -0.0568 | +0.0116 |
| 23 | 3.4999 | 3.5722 | +0.0723 | -0.0079 |
| 24 | 3.5061 | 3.5591 | -0.0530 | +0.0115 |
| 25 | 3.5106 | 3.5575 | +0.0469 | -0.0087 |
| 26 | 3.5205 | 3.8005 | +0.2800 | -0.0033 |
| 27 | 3.7549 | 3.5481 | -0.2068 | -0.0153 |
| 28 | 3.4948 | 3.8364 | -0.3417 | +0.0175 |
| 29 | 3.5044 | 3.5259 | +0.0216 | -0.0094 |
| 30 | 3.5056 | 3.5247 | -0.0191 | +0.0106 |
| 31 | 3.4889 | 3.5552 | +0.0663 | -0.0081 |
| 32 | 3.4960 | 3.5279 | +0.0319 | -0.0091 |
| 33 | 3.3538 | 3.5199 | +0.1661 | -0.0056 |
| 34 | 3.4954 | 3.3494 | -0.1460 | -0.0140 |
| 35 | 3.4575 | 3.3679 | +0.0896 | +0.0075 |
| 36 | 3.4680 | 3.5120 | +0.0440 | -0.0087 |
Rating movement formula
Team VIPR = average - (average - lower partner) * CRF, with CRF = 0.40.
Adjustment = 0.02 / (1 + 10 ^ (2.5 * (winner team VIPR - loser team VIPR))).
Winning partners both receive +adjustment. Losing partners both receive -adjustment.
Score margin is recorded for context but is not currently part of the v0.6 formula.
First game check: winner-loser VIPR diff +0.0761 -> computed delta -0.0078; 3.4180 -0.0078 = 3.4102