Initial VIPR
3.4770
Registry seed
Current VIPR
3.5046
After latest rated game
Net Movement
+0.0276
Current minus initial
Record
7-5
58% win rate · 12 rated games
Storyline
Gina M Park entered VIPR with an initial registry rating of 3.4770. Across 12 rated doubles games, the player went 7-5 and moved +0.0276, finishing at 3.5046.
Why It Moved
AI-generated explanation: The 7-5 record produced +0.0771 from wins and -0.0495 from losses, for a net move of +0.0276. The biggest single-game impact was +0.0137 against Sharon McFarland as partner and Jolynne Colvin / Sandy Zutter as opponents. In game #7 on 2026-08-20, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.4803 vs opponent team 3.6171.
Partner Chemistry
Partnership patterns are starting to emerge.
Gina's most common partner signals so far: Sharon McFarland (3-1, 75%), Sandy Zutter (1-1, 50%), Carolyn Roan (1-0, 100%), Diane McCarthy (1-0, 100%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Streaks & Rivalries
Rivalry
Gina has faced Sharon McFarland 6 times - record: 3-3. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-08-13 | 1-3 | 3.4770 | 3.4564 | -0.0206 |
| 2026-08-20 | 4-0 | 3.4564 | 3.5026 | +0.0462 |
| 2026-09-03 | 2-2 | 3.5026 | 3.5046 | +0.0020 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-08-13 | Win | 11-8 | Sharon McFarland | Nancy Alban / Andrea Fairchild | 3.4770 | +0.0092 | 3.4862 |
| 2 | 2026-08-13 | Loss | 6-11 | Andrea Fairchild | Nancy Alban / Sandy Zutter | 3.4862 | -0.0078 | 3.4784 |
| 3 | 2026-08-13 | Loss | 9-11 | Nancy Alban | Sharon McFarland / Sandy Zutter | 3.4784 | -0.0090 | 3.4694 |
| 4 | 2026-08-13 | Loss | 10-11 | Sandy Zutter | Sharon McFarland / Andrea Fairchild | 3.4694 | -0.0130 | 3.4564 |
| 5 | 2026-08-20 | Win | 11-1 | Sandy Zutter | Diane McCarthy / Sharon McFarland | 3.4564 | +0.0102 | 3.4666 |
| 6 | 2026-08-20 | Win | 11-6 | Jolynne Colvin | Diane McCarthy / Sandy Zutter | 3.4666 | +0.0114 | 3.4780 |
| 7 | 2026-08-20 | Win | 11-6 | Sharon McFarland | Jolynne Colvin / Sandy Zutter | 3.4780 | +0.0137 | 3.4917 |
| 8 | 2026-08-20 | Win | 11-8 | Diane McCarthy | Jolynne Colvin / Sharon McFarland | 3.4917 | +0.0109 | 3.5026 |
| 9 | 2026-09-03 | Win | 11-7 | Sharon McFarland | Carolyn Roan / Sally Musser | 3.5026 | +0.0114 | 3.5140 |
| 10 | 2026-09-03 | Win | 11-2 | Carolyn Roan | Sally Musser / Sharon McFarland | 3.5140 | +0.0103 | 3.5243 |
| 11 | 2026-09-03 | Loss | 6-11 | Sally Musser | Carolyn Roan / Sharon McFarland | 3.5243 | -0.0107 | 3.5136 |
| 12 | 2026-09-03 | Loss | 4-11 | Sharon McFarland | Carolyn Roan / Sally Musser | 3.5136 | -0.0090 | 3.5046 |
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 | 3.4532 | 3.4238 | +0.0294 | +0.0092 |
| 2 | 3.4240 | 3.5006 | +0.0766 | -0.0078 |
| 3 | 3.4673 | 3.5011 | +0.0337 | -0.0090 |
| 4 | 3.5128 | 3.4070 | -0.1058 | -0.0130 |
| 5 | 3.5033 | 3.5113 | -0.0080 | +0.0102 |
| 6 | 3.5123 | 3.5626 | -0.0503 | +0.0114 |
| 7 | 3.4803 | 3.6171 | -0.1368 | +0.0137 |
| 8 | 3.5018 | 3.5346 | -0.0329 | +0.0109 |
| 9 | 3.4999 | 3.5492 | -0.0493 | +0.0114 |
| 10 | 3.5172 | 3.5278 | -0.0106 | +0.0103 |
| 11 | 3.5345 | 3.5104 | -0.0241 | -0.0107 |
| 12 | 3.5115 | 3.5462 | +0.0347 | -0.0090 |
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 +0.0294 -> computed delta +0.0092; 3.4770 +0.0092 = 3.4862