Initial VIPR
3.1390
Registry seed
Current VIPR
3.1985
After latest rated game
Net Movement
+0.0595
Current minus initial
Record
9-3
75% win rate · 12 rated games
Storyline
Rose Hoffmann entered VIPR with an initial registry rating of 3.1390. Across 12 rated doubles games, the player went 9-3 and moved +0.0595, finishing at 3.1985.
Why It Moved
AI-generated explanation: The 9-3 record produced +0.0819 from wins and -0.0224 from losses, for a net move of +0.0595. The biggest single-game impact was +0.0141 against Debbie Fischer as partner and Kathy Battle / Sally Naumann as opponents. In game #3 on 2026-07-02, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.1203 vs opponent team 3.2731.
Partner Chemistry
Partnership patterns are starting to emerge.
Rose's most common partner signals so far: Debbie Fischer (3-0, 100%), Denise Vinci (1-0, 100%), Gretchen S Kerr (1-0, 100%), Kathy Battle (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
Rose has faced Debbie Fischer 6 times - record: 3-3. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-02 | 3-1 | 3.1390 | 3.1627 | +0.0237 |
| 2026-07-16 | 2-2 | 3.1627 | 3.1566 | -0.0061 |
| 2026-07-23 | 4-0 | 3.1566 | 3.1985 | +0.0419 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-02 | Win | 11-6 | Sally Naumann | Deborah Ahart / Debbie Fischer | 3.1390 | +0.0090 | 3.1480 |
| 2 | 2026-07-02 | Win | 11-6 | Kathy Battle | Deborah Ahart / Sally Naumann | 3.1480 | +0.0109 | 3.1589 |
| 3 | 2026-07-02 | Win | 11-8 | Debbie Fischer | Kathy Battle / Sally Naumann | 3.1589 | +0.0141 | 3.1730 |
| 4 | 2026-07-02 | Loss | 0-11 | Deborah Ahart | Kathy Battle / Debbie Fischer | 3.1730 | -0.0103 | 3.1627 |
| 5 | 2026-07-16 | Loss | 10-11 | Shawn Spaulding | Debbie Fischer / Marcie Stern | 3.1627 | -0.0075 | 3.1552 |
| 6 | 2026-07-16 | Win | 11-3 | Marcie Stern | Shawn Spaulding / ANN DREWEK | 3.1552 | +0.0023 | 3.1575 |
| 7 | 2026-07-16 | Loss | 6-11 | ANN DREWEK | Debbie Fischer / Shawn Spaulding | 3.1575 | -0.0046 | 3.1529 |
| 8 | 2026-07-16 | Win | 11-9 | Debbie Fischer | Marcie Stern / ANN DREWEK | 3.1529 | +0.0037 | 3.1566 |
| 9 | 2026-07-23 | Win | 11-9 | Lori Novack | Gretchen S Kerr / Debbie Fischer | 3.1566 | +0.0099 | 3.1665 |
| 10 | 2026-07-23 | Win | 11-7 | Denise Vinci | Gretchen S Kerr / Lori Novack | 3.1665 | +0.0094 | 3.1759 |
| 11 | 2026-07-23 | Win | 11-10 | Debbie Fischer | Denise Vinci / Lori Novack | 3.1759 | +0.0118 | 3.1877 |
| 12 | 2026-07-23 | Win | 11-8 | Gretchen S Kerr | Denise Vinci / Debbie Fischer | 3.1877 | +0.0108 | 3.1985 |
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 | 3.1758 | 3.1420 | +0.0338 | +0.0090 |
| 2 | 3.1916 | 3.2221 | -0.0305 | +0.0109 |
| 3 | 3.1203 | 3.2731 | -0.1529 | +0.0141 |
| 4 | 3.1782 | 3.1695 | -0.0087 | -0.0103 |
| 5 | 3.0797 | 3.1702 | +0.0905 | -0.0075 |
| 6 | 3.1854 | 2.8286 | +0.3568 | +0.0023 |
| 7 | 2.8605 | 3.0689 | +0.2084 | -0.0046 |
| 8 | 3.1472 | 2.8887 | +0.2586 | +0.0037 |
| 9 | 3.1680 | 3.1653 | +0.0027 | +0.0099 |
| 10 | 3.1979 | 3.1786 | +0.0194 | +0.0094 |
| 11 | 3.1580 | 3.2208 | -0.0629 | +0.0118 |
| 12 | 3.1669 | 3.1941 | -0.0272 | +0.0108 |
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 +0.0338 -> computed delta +0.0090; 3.1390 +0.0090 = 3.1480