Initial VIPR
3.9320
Registry seed
Current VIPR
3.9172
After latest rated game
Net Movement
-0.0148
Current minus initial
Record
4-4
50% win rate · 8 rated games
Storyline
Kelly Armagost entered VIPR with an initial registry rating of 3.9320. Across 8 rated doubles games, the player went 4-4 and moved -0.0148, finishing at 3.9172.
Why It Moved
AI-generated explanation: The 4-4 record produced +0.0265 from wins and -0.0413 from losses, for a net move of -0.0148. The biggest single-game impact was -0.0135 against Sue Reich as partner and Janna Armstrong / Stacey Cellini as opponents. In game #3 on 2026-07-16, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 3.8925 vs opponent team 3.7667.
Partner Chemistry
Partnership patterns are starting to emerge.
Kelly's most common partner signals so far: Sue Reich (1-1, 50%), Diana Sellers (1-0, 100%), Janna Armstrong (1-0, 100%), Kim Christopherson (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
Kelly has faced Sue Reich 4 times - record: 2-2. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-16 | 1-3 | 3.9320 | 3.9022 | -0.0298 |
| 2026-10-29 | 3-1 | 3.9022 | 3.9172 | +0.0150 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Win | 11-8 | Janna Armstrong | Sue Reich / Michele Blanchard | 3.9320 | +0.0038 | 3.9358 |
| 2 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Loss | 1-11 | Michele Blanchard | Sue Reich / Stacey Cellini | 3.9358 | -0.0105 | 3.9253 |
| 3 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Loss | 10-11 | Sue Reich | Janna Armstrong / Stacey Cellini | 3.9253 | -0.0135 | 3.9118 |
| 4 | 2026-07-16 Thursday Ladies Ladder League - SUMMER 2026 |
Loss | 6-11 | Stacey Cellini | Janna Armstrong / Michele Blanchard | 3.9118 | -0.0096 | 3.9022 |
| 5 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-8 | Kim Christopherson | Diana Sellers / Sue Reich | 3.9022 | +0.0126 | 3.9148 |
| 6 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Loss | 7-11 | Eveline Norman | Sue Reich / Kim Christopherson | 3.9148 | -0.0077 | 3.9071 |
| 7 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-8 | Sue Reich | Diana Sellers / Eveline Norman | 3.9071 | +0.0059 | 3.9130 |
| 8 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-3 | Diana Sellers | Kim Christopherson / Eveline Norman | 3.9130 | +0.0042 | 3.9172 |
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 | 3.9605 | 3.7111 | +0.2494 | +0.0038 |
| 2 | 3.7276 | 3.7105 | -0.0171 | -0.0105 |
| 3 | 3.8925 | 3.7667 | -0.1259 | -0.0135 |
| 4 | 3.7381 | 3.7515 | +0.0133 | -0.0096 |
| 5 | 3.8134 | 3.9070 | -0.0936 | +0.0126 |
| 6 | 3.7336 | 3.8135 | +0.0799 | -0.0077 |
| 7 | 3.8887 | 3.7371 | +0.1516 | +0.0059 |
| 8 | 3.9206 | 3.6884 | +0.2322 | +0.0042 |
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 +0.2494 -> computed delta +0.0038; 3.9320 +0.0038 = 3.9358