Initial VIPR
3.2020
Registry seed
Current VIPR
3.1537
After latest rated game
Net Movement
-0.0483
Current minus initial
Record
3-9
25% win rate · 12 rated games
Storyline
Deborah Ahart entered VIPR with an initial registry rating of 3.2020. Across 12 rated doubles games, the player went 3-9 and moved -0.0483, finishing at 3.1537.
Why It Moved
AI-generated explanation: The 3-9 record produced +0.0300 from wins and -0.0783 from losses, for a net move of -0.0483. The biggest single-game impact was +0.0121 against Judith Lee as partner and Jackie Minyard / Lori Novack as opponents. In game #9 on 2026-07-16, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.1997 vs opponent team 3.2749.
Partner Chemistry
Partnership patterns are starting to emerge.
Deborah's most common partner signals so far: Judith Lee (2-0, 100%), Debbie Fischer (0-2, 0%), Kathy Battle (1-0, 100%), Donna Siskind (0-1, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Streaks & Rivalries
Rivalry
Deborah has faced Judith Lee 4 times - record: 0-4. A tough matchup so far.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-02 | 1-3 | 3.2020 | 3.1801 | -0.0219 |
| 2026-07-09 | 1-3 | 3.1801 | 3.1648 | -0.0153 |
| 2026-07-16 | 1-3 | 3.1648 | 3.1537 | -0.0111 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-02 | Win | 11-5 | Kathy Battle | Sally Naumann / Debbie Fischer | 3.2020 | +0.0083 | 3.2103 |
| 2 | 2026-07-02 | Loss | 6-11 | Debbie Fischer | Sally Naumann / Rose Hoffmann | 3.2103 | -0.0090 | 3.2013 |
| 3 | 2026-07-02 | Loss | 6-11 | Sally Naumann | Kathy Battle / Rose Hoffmann | 3.2013 | -0.0109 | 3.1904 |
| 4 | 2026-07-02 | Loss | 0-11 | Rose Hoffmann | Kathy Battle / Debbie Fischer | 3.1904 | -0.0103 | 3.1801 |
| 5 | 2026-07-09 | Loss | 9-11 | Debbie Fischer | Judith Lee / Donna Siskind | 3.1801 | -0.0054 | 3.1747 |
| 6 | 2026-07-09 | Loss | 9-11 | Marcie Stern | Donna Siskind / Debbie Fischer | 3.1747 | -0.0093 | 3.1654 |
| 7 | 2026-07-09 | Loss | 5-11 | Donna Siskind | Judith Lee / Marcie Stern | 3.1654 | -0.0102 | 3.1552 |
| 8 | 2026-07-09 | Win | 11-5 | Judith Lee | Debbie Fischer / Marcie Stern | 3.1552 | +0.0096 | 3.1648 |
| 9 | 2026-07-16 | Win | 11-1 | Judith Lee | Jackie Minyard / Lori Novack | 3.1648 | +0.0121 | 3.1769 |
| 10 | 2026-07-16 | Loss | 4-11 | Nickie Gader | Jackie Minyard / Judith Lee | 3.1769 | -0.0074 | 3.1695 |
| 11 | 2026-07-16 | Loss | 5-11 | Lori Novack | Nickie Gader / Judith Lee | 3.1695 | -0.0056 | 3.1639 |
| 12 | 2026-07-16 | Loss | 7-11 | Jackie Minyard | Nickie Gader / Lori Novack | 3.1639 | -0.0102 | 3.1537 |
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 | 3.2269 | 3.1657 | +0.0612 | +0.0083 |
| 2 | 3.1420 | 3.1758 | +0.0338 | -0.0090 |
| 3 | 3.2221 | 3.1916 | -0.0305 | -0.0109 |
| 4 | 3.1782 | 3.1695 | -0.0087 | -0.0103 |
| 5 | 3.1437 | 3.3144 | +0.1707 | -0.0054 |
| 6 | 3.2037 | 3.2297 | +0.0260 | -0.0093 |
| 7 | 3.2624 | 3.2546 | -0.0078 | -0.0102 |
| 8 | 3.1871 | 3.1741 | +0.0130 | +0.0096 |
| 9 | 3.1997 | 3.2749 | -0.0752 | +0.0121 |
| 10 | 3.2523 | 3.3431 | +0.0907 | -0.0074 |
| 11 | 3.1722 | 3.3367 | +0.1645 | -0.0056 |
| 12 | 3.2549 | 3.2489 | -0.0059 | -0.0102 |
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 +0.0612 -> computed delta +0.0083; 3.2020 +0.0083 = 3.2103