Initial VIPR
2.7080
Registry seed
Current VIPR
2.7864
After latest rated game
Net Movement
+0.0784
Current minus initial
Record
8-4
67% win rate · 12 rated games
Storyline
Barbara Amato entered VIPR with an initial registry rating of 2.7080. Across 12 rated doubles games, the player went 8-4 and moved +0.0784, finishing at 2.7864.
Why It Moved
AI-generated explanation: The 8-4 record produced +0.1054 from wins and -0.0270 from losses, for a net move of +0.0784. The biggest single-game impact was +0.0158 against Deborah Austin as partner and Beth Arms / Kathi Lancaster as opponents. In game #1 on 2026-07-02, the player's team was the lower-rated team, so the win carried a larger gain: player team 2.7494 vs opponent team 2.9821.
Partner Chemistry
Partnership patterns are starting to emerge.
Barbara's most common partner signals so far: Beth Arms (1-1, 50%), Dawn Mead (1-0, 100%), Deborah Austin (1-0, 100%), Jennifer A Hamm (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
Barbara has faced Beth Arms 4 times - record: 3-1. Clear ownership of the matchup.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-02 | 3-1 | 2.7080 | 2.7418 | +0.0338 |
| 2026-07-09 | 3-1 | 2.7418 | 2.7735 | +0.0317 |
| 2026-07-23 | 2-2 | 2.7735 | 2.7864 | +0.0129 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-02 | Win | 11-3 | Deborah Austin | Beth Arms / Kathi Lancaster | 2.7080 | +0.0158 | 2.7238 |
| 2 | 2026-07-02 | Loss | 7-11 | Debbie Chaffee | Beth Arms / Deborah Austin | 2.7238 | -0.0076 | 2.7162 |
| 3 | 2026-07-02 | Win | 11-2 | Kathi Lancaster | Debbie Chaffee / Deborah Austin | 2.7162 | +0.0102 | 2.7264 |
| 4 | 2026-07-02 | Win | 11-2 | Beth Arms | Debbie Chaffee / Kathi Lancaster | 2.7264 | +0.0154 | 2.7418 |
| 5 | 2026-07-09 | Loss | 2-11 | Kim Johnson | Mary LaFrancois / Dawn Mead | 2.7418 | -0.0074 | 2.7344 |
| 6 | 2026-07-09 | Win | 11-5 | Nancy Krau | Mary LaFrancois / Kim Johnson | 2.7344 | +0.0131 | 2.7475 |
| 7 | 2026-07-09 | Win | 11-9 | Dawn Mead | Nancy Krau / Kim Johnson | 2.7475 | +0.0127 | 2.7602 |
| 8 | 2026-07-09 | Win | 11-7 | Mary LaFrancois | Nancy Krau / Dawn Mead | 2.7602 | +0.0133 | 2.7735 |
| 9 | 2026-07-23 | Win | 11-5 | Rose Kopja | Jennifer A Hamm / Beth Arms | 2.7735 | +0.0126 | 2.7861 |
| 10 | 2026-07-23 | Loss | 5-11 | Elena Gordon | Jennifer A Hamm / Rose Kopja | 2.7861 | -0.0068 | 2.7793 |
| 11 | 2026-07-23 | Loss | 4-11 | Beth Arms | Elena Gordon / Rose Kopja | 2.7793 | -0.0052 | 2.7741 |
| 12 | 2026-07-23 | Win | 11-7 | Jennifer A Hamm | Elena Gordon / Beth Arms | 2.7741 | +0.0123 | 2.7864 |
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 | 2.7494 | 2.9821 | -0.2327 | +0.0158 |
| 2 | 2.7737 | 2.8600 | +0.0863 | -0.0076 |
| 3 | 2.8662 | 2.8733 | -0.0071 | +0.0102 |
| 4 | 2.7685 | 2.9785 | -0.2099 | +0.0154 |
| 5 | 2.8008 | 2.8925 | +0.0917 | -0.0074 |
| 6 | 2.7797 | 2.8925 | -0.1127 | +0.0131 |
| 7 | 2.8100 | 2.9044 | -0.0944 | +0.0127 |
| 8 | 2.7910 | 2.9107 | -0.1197 | +0.0133 |
| 9 | 2.8299 | 2.9206 | -0.0908 | +0.0126 |
| 10 | 2.8579 | 2.9751 | +0.1172 | -0.0068 |
| 11 | 2.8090 | 2.9922 | +0.1832 | -0.0052 |
| 12 | 2.8372 | 2.9183 | -0.0811 | +0.0123 |
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 -0.2327 -> computed delta +0.0158; 2.7080 +0.0158 = 2.7238