VIPR Rating Audit Trail

Dana Gainer

Member ID: TVCPC-P0582   Generated: 2026-09-04 12:10 PM

2.9550 -> 3.0160
Net +0.0610   Record 12-8   Win Rate 60%   Games 20
Initial VIPR
2.9550
Registry seed
Current VIPR
3.0160
After latest rated game
Net Movement
+0.0610
Current minus initial
Record
12-8
60% win rate · 20 rated games

Storyline

Dana Gainer entered VIPR with an initial registry rating of 2.9550. Across 20 rated doubles games, the player went 12-8 and moved +0.0610, finishing at 3.0160.

Why It Moved

AI-generated explanation: The 12-8 record produced +0.1311 from wins and -0.0701 from losses, for a net move of +0.0610. The biggest single-game impact was +0.0137 against Gayle Kiefer as partner and Julee Johanson / Andrea Fairchild as opponents. In game #12 on 2026-07-23, the player's team was the lower-rated team, so the win carried a larger gain: player team 2.9945 vs opponent team 3.1296.

Partner Chemistry

Partnership patterns are starting to emerge.

Dana's most common partner signals so far: Gayle Kiefer (1-2, 33%), Connie Nowell (1-1, 50%), Julee Johanson (1-1, 50%), Tricia Gallagher (1-1, 50%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.

Streaks & Rivalries
Rivalry

Dana has faced Karen Scott 5 times - record: 4-1. Clear ownership of the matchup.

Session Summary

DateW-LStartEndNet
2026-07-02 3-1 2.9550 2.9746 +0.0196
2026-07-09 2-2 2.9746 2.9798 +0.0052
2026-07-23 2-2 2.9798 2.9867 +0.0069
2026-08-20 3-1 2.9867 3.0149 +0.0282
2026-08-27 2-2 3.0149 3.0160 +0.0011

Game-By-Game Rating Trail

#DateResultScorePartnerOpponentsBeforeChangeAfter
1 2026-07-02 Loss 3-11 Nancy Krau Elena Gordon / Dawn Mead 2.9550 -0.0090 2.9460
2 2026-07-02 Win 11-7 Dawn Mead Elena Gordon / Rose Kopja 2.9460 +0.0109 2.9569
3 2026-07-02 Win 11-5 Elena Gordon Nancy Krau / Rose Kopja 2.9569 +0.0085 2.9654
4 2026-07-02 Win 11-0 Rose Kopja Nancy Krau / Dawn Mead 2.9654 +0.0092 2.9746
5 2026-07-09 Loss 8-11 Gayle Kiefer Diane Polansky / Julee Johanson 2.9746 -0.0091 2.9655
6 2026-07-09 Win 11-5 Diane Polansky Julee Johanson / Gayle Kiefer 2.9655 +0.0106 2.9761
7 2026-07-09 Win 11-5 Julee Johanson Diane Polansky / Gayle Kiefer 2.9761 +0.0126 2.9887
8 2026-07-09 Loss 9-11 Gayle Kiefer Diane Polansky / Julee Johanson 2.9887 -0.0089 2.9798
9 2026-07-23 Loss 8-11 Julee Johanson Connie Nowell / Gayle Kiefer 2.9798 -0.0088 2.9710
10 2026-07-23 Win 11-7 Andrea Fairchild Julee Johanson / Connie Nowell 2.9710 +0.0078 2.9788
11 2026-07-23 Loss 5-11 Connie Nowell Gayle Kiefer / Andrea Fairchild 2.9788 -0.0058 2.9730
12 2026-07-23 Win 11-8 Gayle Kiefer Julee Johanson / Andrea Fairchild 2.9730 +0.0137 2.9867
13 2026-08-20 Win 11-10 Lori Novack Connie Nowell / Debbie Fischer 2.9867 +0.0120 2.9987
14 2026-08-20 Win 11-9 Debbie Fischer Lori Novack / Karen Scott 2.9987 +0.0123 3.0110
15 2026-08-20 Loss 5-11 Karen Scott Connie Nowell / Lori Novack 3.0110 -0.0081 3.0029
16 2026-08-20 Win 11-9 Connie Nowell Debbie Fischer / Karen Scott 3.0029 +0.0120 3.0149
17 2026-08-27 Win 11-9 Renae Kray Tricia Gallagher / Karen Scott 3.0149 +0.0114 3.0263
18 2026-08-27 Win 11-10 Tricia Gallagher Renae Kray / Karen Scott 3.0263 +0.0101 3.0364
19 2026-08-27 Loss 5-11 Karen Scott Renae Kray / Tricia Gallagher 3.0364 -0.0101 3.0263
20 2026-08-27 Loss 9-11 Tricia Gallagher Renae Kray / Karen Scott 3.0263 -0.0103 3.0160

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 DiffComputed Delta
1 2.9235 2.9583 +0.0348 -0.0090
2 2.9469 2.9785 -0.0316 +0.0109
3 2.9696 2.9169 +0.0526 +0.0085
4 2.9440 2.9170 +0.0271 +0.0092
5 3.0056 3.0353 +0.0296 -0.0091
6 3.0098 3.0311 -0.0213 +0.0106
7 2.9846 3.0779 -0.0934 +0.0126
8 3.0058 3.0452 +0.0394 -0.0089
9 2.9943 3.0355 +0.0412 -0.0088
10 3.1017 3.0241 +0.0776 +0.0078
11 2.9979 3.1516 +0.1537 -0.0058
12 2.9945 3.1296 -0.1350 +0.0137
13 3.0368 3.1087 -0.0719 +0.0120
14 3.0392 3.1217 -0.0824 +0.0123
15 3.0324 3.0993 +0.0669 -0.0081
16 3.0262 3.0982 -0.0720 +0.0120
17 3.0167 3.0639 -0.0472 +0.0114
18 3.0354 3.0379 -0.0025 +0.0101
19 3.0377 3.0356 -0.0021 -0.0101
20 3.0414 3.0311 -0.0103 -0.0103

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 +0.0348 -> computed delta -0.0090; 2.9550 -0.0090 = 2.9460