Initial VIPR
2.7080
Registry seed
Current VIPR
2.8255
After latest rated game
Net Movement
+0.1175
Current minus initial
Record
14-6
70% win rate · 20 rated games
Storyline
Barbara Amato entered VIPR with an initial registry rating of 2.7080. Across 20 rated doubles games, the player went 14-6 and moved +0.1175, finishing at 2.8255.
Why It Moved
AI-generated explanation: The 14-6 record produced +0.1601 from wins and -0.0426 from losses, for a net move of +0.1175. 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 (2-1, 67%), Debbie Chaffee (2-1, 67%), Nancy Krau (2-0, 100%), Carol Spano (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 6 times - record: 4-2. A close matchup worth watching.
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 |
| 2026-08-20 | 3-1 | 2.7864 | 2.8089 | +0.0225 |
| 2026-08-27 | 3-1 | 2.8089 | 2.8255 | +0.0166 |
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 |
| 13 | 2026-08-20 | Loss | 3-11 | Cathy Shaw | Debbie Chaffee / Nancy Krau | 2.7864 | -0.0084 | 2.7780 |
| 14 | 2026-08-20 | Win | 11-3 | Nancy Krau | Cathy Shaw / Fern S Reisinger | 2.7780 | +0.0083 | 2.7863 |
| 15 | 2026-08-20 | Win | 11-9 | Fern S Reisinger | Debbie Chaffee / Cathy Shaw | 2.7863 | +0.0140 | 2.8003 |
| 16 | 2026-08-20 | Win | 11-10 | Debbie Chaffee | Nancy Krau / Fern S Reisinger | 2.8003 | +0.0086 | 2.8089 |
| 17 | 2026-08-27 | Win | 11-10 | Beth Arms | Carol Spano / Debbie Chaffee | 2.8089 | +0.0058 | 2.8147 |
| 18 | 2026-08-27 | Loss | 4-11 | Yvonne Delacruz | Debbie Chaffee / Beth Arms | 2.8147 | -0.0072 | 2.8075 |
| 19 | 2026-08-27 | Win | 11-2 | Debbie Chaffee | Carol Spano / Yvonne Delacruz | 2.8075 | +0.0048 | 2.8123 |
| 20 | 2026-08-27 | Win | 11-6 | Carol Spano | Beth Arms / Yvonne Delacruz | 2.8123 | +0.0132 | 2.8255 |
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 |
| 13 | 2.8142 | 2.8706 | +0.0564 | -0.0084 |
| 14 | 2.8143 | 2.7540 | +0.0602 | +0.0083 |
| 15 | 2.7184 | 2.8654 | -0.1470 | +0.0140 |
| 16 | 2.8152 | 2.7664 | +0.0488 | +0.0086 |
| 17 | 2.8225 | 2.6683 | +0.1542 | +0.0058 |
| 18 | 2.7568 | 2.8550 | +0.0981 | -0.0072 |
| 19 | 2.8233 | 2.6241 | +0.1991 | +0.0048 |
| 20 | 2.6470 | 2.7642 | -0.1171 | +0.0132 |
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