Storyline
Sally Musser entered VIPR with an initial registry rating of 3.5640. Across 4 rated doubles games, the player went 3-1 and moved +0.0167, finishing at 3.5807.
Why It Moved
AI-generated explanation: The 3-1 record produced +0.0260 from wins and -0.0093 from losses, for a net move of +0.0167. The biggest single-game impact was +0.0120 against Carolyn Roan as partner and Jolynne Colvin / Christine Ressler as opponents. In game #4 on 2026-07-09, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.4667 vs opponent team 3.5355.
Partnership patterns are starting to emerge.
Sally's most common partner signals so far: Carolyn Roan (1-0, 100%), Christine Ressler (1-0, 100%), Jolynne Colvin (1-0, 100%), Sharon McFarland (0-1, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Sally is currently on a 1-game winning streak in rated VIPR games.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-09 | 3-1 | 3.5640 | 3.5807 | +0.0167 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-09 | Win | 11-4 | Jolynne Colvin | Sharon McFarland / Christine Ressler | 3.5640 | +0.0061 | 3.5701 |
| 2 | 2026-07-09 | Win | 11-5 | Christine Ressler | Sharon McFarland / Carolyn Roan | 3.5701 | +0.0079 | 3.5780 |
| 3 | 2026-07-09 | Loss | 10-11 | Sharon McFarland | Jolynne Colvin / Carolyn Roan | 3.5780 | -0.0093 | 3.5687 |
| 4 | 2026-07-09 | Win | 11-2 | Carolyn Roan | Jolynne Colvin / Christine Ressler | 3.5687 | +0.0120 | 3.5807 |
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 | 3.5919 | 3.4497 | +0.1422 | +0.0061 |
| 2 | 3.5028 | 3.4304 | +0.0724 | +0.0079 |
| 3 | 3.4693 | 3.4946 | +0.0253 | -0.0093 |
| 4 | 3.4667 | 3.5355 | -0.0688 | +0.0120 |
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 +0.1422 -> computed delta +0.0061; 3.5640 +0.0061 = 3.5701