Storyline
Brenda Leardi entered VIPR with an initial registry rating of 3.2400. Across 4 rated doubles games, the player went 1-3 and moved -0.0171, finishing at 3.2229.
Why It Moved
AI-generated explanation: The 1-3 record produced +0.0115 from wins and -0.0286 from losses, for a net move of -0.0171. The biggest single-game impact was +0.0115 against Sally Naumann as partner and Judy Arlington / Marcie Stern as opponents. In game #4 on 2026-07-23, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.2249 vs opponent team 3.2776.
Partnership patterns are starting to emerge.
Brenda's most common partner signals so far: Sally Naumann (1-1, 50%), Judy Arlington (0-1, 0%), Marcie Stern (0-1, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Brenda has faced Judy Arlington 3 times - record: 1-2. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-23 | 1-3 | 3.2400 | 3.2229 | -0.0171 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-23 | Loss | 1-11 | Marcie Stern | Judy Arlington / Sally Naumann | 3.2400 | -0.0096 | 3.2304 |
| 2 | 2026-07-23 | Loss | 6-11 | Judy Arlington | Sally Naumann / Marcie Stern | 3.2304 | -0.0100 | 3.2204 |
| 3 | 2026-07-23 | Loss | 8-11 | Sally Naumann | Judy Arlington / Marcie Stern | 3.2204 | -0.0090 | 3.2114 |
| 4 | 2026-07-23 | Win | 11-5 | Sally Naumann | Judy Arlington / Marcie Stern | 3.2114 | +0.0115 | 3.2229 |
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 | 3.2456 | 3.2595 | +0.0139 | -0.0096 |
| 2 | 3.2516 | 3.2508 | -0.0008 | -0.0100 |
| 3 | 3.2339 | 3.2686 | +0.0347 | -0.0090 |
| 4 | 3.2249 | 3.2776 | -0.0527 | +0.0115 |
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 +0.0139 -> computed delta -0.0096; 3.2400 -0.0096 = 3.2304