Storyline
Pamela Uriarte entered VIPR with an initial registry rating of 2.0000. Across 24 rated doubles games, the player went 12-12 and moved +0.1128, finishing at 2.1128.
Why It Moved
AI-generated explanation: The 12-12 record produced +0.1747 from wins and -0.0619 from losses, for a net move of +0.1128. The biggest single-game impact was +0.0191 against Kim Held as partner and Ann Thiel / Jackie Huckins as opponents. In game #13 on 2026-08-06, the player's team was the lower-rated team, so the win carried a larger gain: player team 2.1787 vs opponent team 2.7133.
Partnership patterns are starting to emerge.
Pamela's most common partner signals so far: Amy Fortier (3-1, 75%), Carol Spano (1-1, 50%), Catherine Rozmiarek (1-1, 50%), Kim Johnson (1-1, 50%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Pamela has faced Amy Fortier 7 times - record: 3-4. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-02 | 2-2 | 2.0000 | 2.0005 | +0.0005 |
| 2026-07-16 | 1-3 | 2.0005 | 2.0014 | +0.0009 |
| 2026-07-23 | 3-1 | 2.0014 | 2.0343 | +0.0329 |
| 2026-08-06 | 2-2 | 2.0343 | 2.0634 | +0.0291 |
| 2026-08-20 | 2-2 | 2.0634 | 2.0808 | +0.0174 |
| 2026-09-03 | 2-2 | 2.0808 | 2.1128 | +0.0320 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-02 | Loss | 4-11 | melinda moreno | Amy Fortier / Catherine Rozmiarek | 2.0000 | -0.0100 | 1.9900 |
| 2 | 2026-07-02 | Loss | 5-11 | Catherine Rozmiarek | Amy Fortier / melinda moreno | 1.9900 | -0.0100 | 1.9800 |
| 3 | 2026-07-02 | Win | 11-2 | Amy Fortier | Catherine Rozmiarek / melinda moreno | 1.9800 | +0.0102 | 1.9902 |
| 4 | 2026-07-02 | Win | 11-8 | Catherine Rozmiarek | Amy Fortier / melinda moreno | 1.9902 | +0.0103 | 2.0005 |
| 5 | 2026-07-16 | Loss | 6-11 | Barbara Giometti | Joy McCormick / Marie Shuey | 2.0005 | -0.0025 | 1.9980 |
| 6 | 2026-07-16 | Loss | 5-11 | Marie Shuey | Barbara Giometti / Lynn Ratcliff | 1.9980 | -0.0064 | 1.9916 |
| 7 | 2026-07-16 | Loss | 0-11 | Lynn Ratcliff | Joy McCormick / Barbara Giometti | 1.9916 | -0.0048 | 1.9868 |
| 8 | 2026-07-16 | Win | 11-9 | Joy McCormick | Marie Shuey / Lynn Ratcliff | 1.9868 | +0.0146 | 2.0014 |
| 9 | 2026-07-23 | Win | 11-9 | Amy Fortier | Deborah Austin / Barbara Giometti | 2.0014 | +0.0179 | 2.0193 |
| 10 | 2026-07-23 | Loss | 6-11 | Barbara Giometti | Amy Fortier / Janet Krasinski | 2.0193 | -0.0083 | 2.0110 |
| 11 | 2026-07-23 | Win | 11-6 | Janet Krasinski | Deborah Austin / Amy Fortier | 2.0110 | +0.0137 | 2.0247 |
| 12 | 2026-07-23 | Win | 11-10 | Deborah Austin | Barbara Giometti / Janet Krasinski | 2.0247 | +0.0096 | 2.0343 |
| 13 | 2026-08-06 | Win | 11-4 | Kim Held | Ann Thiel / Jackie Huckins | 2.0343 | +0.0191 | 2.0534 |
| 14 | 2026-08-06 | Loss | 10-11 | Marjorie Fassnacht | Kim Held / Ann Thiel | 2.0534 | -0.0012 | 2.0522 |
| 15 | 2026-08-06 | Win | 11-6 | Ann Thiel | Jackie Huckins / Marjorie Fassnacht | 2.0522 | +0.0149 | 2.0671 |
| 16 | 2026-08-06 | Loss | 7-11 | Jackie Huckins | Kim Held / Marjorie Fassnacht | 2.0671 | -0.0037 | 2.0634 |
| 17 | 2026-08-20 | Win | 11-1 | Carol Spano | Amy Fortier / Pilar Winters | 2.0634 | +0.0098 | 2.0732 |
| 18 | 2026-08-20 | Loss | 6-11 | Amy Fortier | Carol Spano / Pilar Winters | 2.0732 | -0.0008 | 2.0724 |
| 19 | 2026-08-20 | Loss | 5-11 | Pilar Winters | Carol Spano / Amy Fortier | 2.0724 | -0.0107 | 2.0617 |
| 20 | 2026-08-20 | Win | 11-8 | Amy Fortier | Carol Spano / Pilar Winters | 2.0617 | +0.0191 | 2.0808 |
| 21 | 2026-09-03 | Win | 11-9 | Beth Arms | Kim Johnson / Carol Spano | 2.0808 | +0.0180 | 2.0988 |
| 22 | 2026-09-03 | Loss | 8-11 | Carol Spano | Kim Johnson / Beth Arms | 2.0988 | -0.0005 | 2.0983 |
| 23 | 2026-09-03 | Win | 11-10 | Kim Johnson | Carol Spano / Beth Arms | 2.0983 | +0.0175 | 2.1158 |
| 24 | 2026-09-03 | Loss | 3-11 | Kim Johnson | Carol Spano / Beth Arms | 2.1158 | -0.0030 | 2.1128 |
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 | 2.0000 | 2.0000 | +0.0000 | -0.0100 |
| 2 | 1.9960 | 1.9960 | +0.0000 | -0.0100 |
| 3 | 1.9920 | 2.0000 | -0.0080 | +0.0102 |
| 4 | 1.9899 | 2.0019 | -0.0120 | +0.0103 |
| 5 | 2.0580 | 2.3931 | +0.3351 | -0.0025 |
| 6 | 2.0997 | 2.2296 | +0.1300 | -0.0064 |
| 7 | 2.0947 | 2.2947 | +0.2000 | -0.0048 |
| 8 | 2.1537 | 2.3264 | -0.1727 | +0.0146 |
| 9 | 2.0028 | 2.3772 | -0.3744 | +0.0179 |
| 10 | 2.0666 | 2.1264 | +0.0598 | -0.0083 |
| 11 | 2.1204 | 2.2572 | -0.1368 | +0.0137 |
| 12 | 2.2490 | 2.2338 | +0.0152 | +0.0096 |
| 13 | 2.1787 | 2.7133 | -0.5346 | +0.0191 |
| 14 | 2.1763 | 2.6618 | +0.4855 | -0.0012 |
| 15 | 2.3162 | 2.5031 | -0.1869 | +0.0149 |
| 16 | 2.2223 | 2.4771 | +0.2548 | -0.0037 |
| 17 | 2.2198 | 2.2136 | +0.0062 | +0.0098 |
| 18 | 2.0484 | 2.5922 | +0.5438 | -0.0008 |
| 19 | 2.2283 | 2.2044 | -0.0239 | -0.0107 |
| 20 | 2.0518 | 2.5887 | -0.5368 | +0.0191 |
| 21 | 2.3165 | 2.6952 | -0.3787 | +0.0180 |
| 22 | 2.2443 | 2.8876 | +0.6433 | -0.0005 |
| 23 | 2.3375 | 2.6738 | -0.3363 | +0.0175 |
| 24 | 2.3550 | 2.6563 | +0.3013 | -0.0030 |
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 +0.0000 -> computed delta -0.0100; 2.0000 -0.0100 = 1.9900