Initial VIPR
3.4630
Registry seed
Current VIPR
3.4375
After latest rated game
Net Movement
-0.0255
Current minus initial
Record
14-14
50% win rate · 28 rated games
Storyline
Stephanie Chen entered VIPR with an initial registry rating of 3.4630. Across 28 rated doubles games, the player went 14-14 and moved -0.0255, finishing at 3.4375.
Why It Moved
AI-generated explanation: The 14-14 record produced +0.1147 from wins and -0.1402 from losses, for a net move of -0.0255. The biggest single-game impact was -0.0133 against Brenda Leardi as partner and Lori Novack / Debbie Fischer as opponents. In game #13 on 2026-10-01, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 3.2951 vs opponent team 3.1753.
Partner Chemistry
Partnership patterns are starting to emerge.
Stephanie's most common partner signals so far: Judy Arlington (2-1, 67%), Lori Novack (1-2, 33%), Kathy Battle (2-0, 100%), Lori Pasbrig (2-0, 100%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Streaks & Rivalries
Rivalry
Stephanie has faced Judy Arlington 6 times - record: 2-4. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-16 | 1-3 | 3.4630 | 3.4448 | -0.0182 |
| 2026-09-17 | 0-4 | 3.4448 | 3.4041 | -0.0407 |
| 2026-09-24 | 2-2 | 3.4041 | 3.3964 | -0.0077 |
| 2026-10-01 | 2-2 | 3.3964 | 3.3892 | -0.0072 |
| 2026-10-15 | 3-1 | 3.3892 | 3.4021 | +0.0129 |
| 2026-10-22 | 3-1 | 3.4021 | 3.4226 | +0.0205 |
| 2026-10-29 | 3-1 | 3.4226 | 3.4375 | +0.0149 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Loss | 8-11 | Sharon McFarland | Nancy Pierce / Carolyn Roan | 3.4630 | -0.0081 | 3.4549 |
| 2 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Win | 11-6 | Jolynne Colvin | Nancy Pierce / Sharon McFarland | 3.4549 | +0.0090 | 3.4639 |
| 3 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Loss | 4-11 | Carolyn Roan | Jolynne Colvin / Sharon McFarland | 3.4639 | -0.0089 | 3.4550 |
| 4 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Loss | 7-11 | Nancy Pierce | Jolynne Colvin / Carolyn Roan | 3.4550 | -0.0102 | 3.4448 |
| 5 | 2026-09-17 Thursday Ladies Ladder League - Summer 2026 |
Loss | 6-11 | Judy Arlington | Sandy Zutter / Sharon McFarland | 3.4448 | -0.0062 | 3.4386 |
| 6 | 2026-09-17 Thursday Ladies Ladder League - Summer 2026 |
Loss | 9-11 | Zeneida Toledo | Sharon McFarland / Judy Arlington | 3.4386 | -0.0104 | 3.4282 |
| 7 | 2026-09-17 Thursday Ladies Ladder League - Summer 2026 |
Loss | 7-11 | Sharon McFarland | Sandy Zutter / Zeneida Toledo | 3.4282 | -0.0110 | 3.4172 |
| 8 | 2026-09-17 Thursday Ladies Ladder League - Summer 2026 |
Loss | 3-11 | Sandy Zutter | Judy Arlington / Zeneida Toledo | 3.4172 | -0.0131 | 3.4041 |
| 9 | 2026-09-24 Thursday Ladies Ladder League - Summer 2026 |
Loss | 0-11 | Lori Novack | Judy Arlington / Kathy Battle | 3.4041 | -0.0078 | 3.3963 |
| 10 | 2026-09-24 Thursday Ladies Ladder League - Summer 2026 |
Loss | 2-11 | Lori Pulford | Kathy Battle / Lori Novack | 3.3963 | -0.0087 | 3.3876 |
| 11 | 2026-09-24 Thursday Ladies Ladder League - Summer 2026 |
Win | 11-7 | Kathy Battle | Judy Arlington / Lori Pulford | 3.3876 | +0.0049 | 3.3925 |
| 12 | 2026-09-24 Thursday Ladies Ladder League - Summer 2026 |
Win | 11-4 | Judy Arlington | Lori Novack / Lori Pulford | 3.3925 | +0.0039 | 3.3964 |
| 13 | 2026-10-01 Thursday Ladies Ladder League - Fall 2026 |
Loss | 9-11 | Brenda Leardi | Lori Novack / Debbie Fischer | 3.3964 | -0.0133 | 3.3831 |
| 14 | 2026-10-01 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-6 | Rose Hoffmann | Debbie Fischer / Brenda Leardi | 3.3831 | +0.0080 | 3.3911 |
| 15 | 2026-10-01 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-9 | Debbie Fischer | Lori Novack / Rose Hoffmann | 3.3911 | +0.0093 | 3.4004 |
| 16 | 2026-10-01 Thursday Ladies Ladder League - Fall 2026 |
Loss | 8-11 | Lori Novack | Brenda Leardi / Rose Hoffmann | 3.4004 | -0.0112 | 3.3892 |
| 17 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Loss | 5-11 | Germaine Smith | Christine Garibaldi / Lori Novack | 3.3892 | -0.0115 | 3.3777 |
| 18 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-10 | Lori Novack | Germaine Smith / Lori Pasbrig | 3.3777 | +0.0096 | 3.3873 |
| 19 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-7 | Lori Pasbrig | Christine Garibaldi / Germaine Smith | 3.3873 | +0.0075 | 3.3948 |
| 20 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-1 | Christine Garibaldi | Lori Novack / Lori Pasbrig | 3.3948 | +0.0073 | 3.4021 |
| 21 | 2026-10-22 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-8 | Judy Arlington | Sandy Zutter / Kathy Battle | 3.4021 | +0.0098 | 3.4119 |
| 22 | 2026-10-22 Thursday Ladies Ladder League - Fall 2026 |
Loss | 9-11 | Suzie Dunn | Sandy Zutter / Judy Arlington | 3.4119 | -0.0098 | 3.4021 |
| 23 | 2026-10-22 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-4 | Kathy Battle | Suzie Dunn / Judy Arlington | 3.4021 | +0.0124 | 3.4145 |
| 24 | 2026-10-22 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-3 | Sandy Zutter | Suzie Dunn / Kathy Battle | 3.4145 | +0.0081 | 3.4226 |
| 25 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Loss | 0-11 | Sally Naumann | Sheryl Couch / Kelly Evers | 3.4226 | -0.0100 | 3.4126 |
| 26 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-5 | Lori Pasbrig | Sally Naumann / Sheryl Couch | 3.4126 | +0.0093 | 3.4219 |
| 27 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-5 | Sheryl Couch | Kelly Evers / Lori Pasbrig | 3.4219 | +0.0081 | 3.4300 |
| 28 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-8 | Kelly Evers | Sally Naumann / Lori Pasbrig | 3.4300 | +0.0075 | 3.4375 |
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 | 3.4314 | 3.4987 | +0.0673 | -0.0081 |
| 2 | 3.5204 | 3.4865 | +0.0340 | +0.0090 |
| 3 | 3.4464 | 3.4852 | +0.0388 | -0.0089 |
| 4 | 3.5154 | 3.5084 | -0.0070 | -0.0102 |
| 5 | 3.3671 | 3.5073 | +0.1402 | -0.0062 |
| 6 | 3.3912 | 3.3786 | -0.0126 | -0.0104 |
| 7 | 3.4522 | 3.4175 | -0.0347 | -0.0110 |
| 8 | 3.4605 | 3.3481 | -0.1124 | -0.0131 |
| 9 | 3.2557 | 3.3338 | +0.0781 | -0.0078 |
| 10 | 3.1836 | 3.2305 | +0.0469 | -0.0087 |
| 11 | 3.3593 | 3.1634 | +0.1959 | +0.0049 |
| 12 | 3.3587 | 3.1131 | +0.2456 | +0.0039 |
| 13 | 3.2951 | 3.1753 | -0.1198 | -0.0133 |
| 14 | 3.2661 | 3.1970 | +0.0691 | +0.0080 |
| 15 | 3.2372 | 3.2143 | +0.0229 | +0.0093 |
| 16 | 3.2607 | 3.2194 | -0.0413 | -0.0112 |
| 17 | 3.2813 | 3.2299 | -0.0514 | -0.0115 |
| 18 | 3.2609 | 3.2483 | +0.0127 | +0.0096 |
| 19 | 3.3290 | 3.2404 | +0.0885 | +0.0075 |
| 20 | 3.3373 | 3.2425 | +0.0948 | +0.0073 |
| 21 | 3.4020 | 3.3941 | +0.0080 | +0.0098 |
| 22 | 3.4333 | 3.4415 | +0.0082 | -0.0098 |
| 23 | 3.3516 | 3.4372 | -0.0855 | +0.0124 |
| 24 | 3.4464 | 3.3780 | +0.0684 | +0.0081 |
| 25 | 3.3142 | 3.3157 | +0.0014 | -0.0100 |
| 26 | 3.3131 | 3.2904 | +0.0228 | +0.0093 |
| 27 | 3.3589 | 3.2934 | +0.0655 | +0.0081 |
| 28 | 3.3510 | 3.2630 | +0.0879 | +0.0075 |
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 +0.0673 -> computed delta -0.0081; 3.4630 -0.0081 = 3.4549