VIPR Rating Audit Trail

Christine Ressler

Member ID: TVCPC-P0403   Generated: 2026-10-29 07:46 PM

3.4800 -> 3.4054
Net -0.0746   Record 3-9   Win Rate 25%   Games 12
Initial VIPR
3.4800
Registry seed
Current VIPR
3.4054
After latest rated game
Net Movement
-0.0746
Current minus initial
Record
3-9
25% win rate · 12 rated games

Storyline

Christine Ressler entered VIPR with an initial registry rating of 3.4800. Across 12 rated doubles games, the player went 3-9 and moved -0.0746, finishing at 3.4054.

Why It Moved

AI-generated explanation: The 3-9 record produced +0.0304 from wins and -0.1050 from losses, for a net move of -0.0746. The biggest single-game impact was -0.0181 against Karen Kellam as partner and Renae Kray / Rosa Kopja as opponents. In game #11 on 2026-10-29, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 3.4543 vs opponent team 3.0583.

Partner Chemistry

Partnership patterns are starting to emerge.

Christine's most common partner signals so far: Carolyn Roan (0-2, 0%), Judith Lee (1-0, 100%), Rosa Kopja (1-0, 100%), Sally Musser (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

Christine has faced Carolyn Roan 4 times - record: 1-3. A tough matchup so far.

Session Summary

DateW-LStartEndNet
2026-07-09 1-3 3.4800 3.4611 -0.0189
2026-07-23 1-3 3.4611 3.4347 -0.0264
2026-10-29 1-3 3.4347 3.4054 -0.0293

Game-By-Game Rating Trail

#DateResultScorePartnerOpponentsBeforeChangeAfter
1 2026-07-09
Thursday Ladies Ladder League - SUMMER 2026
Loss 4-11 Sharon McFarland Jolynne Colvin / Sally Musser 3.4800 -0.0061 3.4739
2 2026-07-09
Thursday Ladies Ladder League - SUMMER 2026
Win 11-5 Sally Musser Sharon McFarland / Carolyn Roan 3.4739 +0.0079 3.4818
3 2026-07-09
Thursday Ladies Ladder League - SUMMER 2026
Loss 10-11 Carolyn Roan Jolynne Colvin / Sharon McFarland 3.4818 -0.0087 3.4731
4 2026-07-09
Thursday Ladies Ladder League - SUMMER 2026
Loss 2-11 Jolynne Colvin Sally Musser / Carolyn Roan 3.4731 -0.0120 3.4611
5 2026-07-23
Thursday Ladies Ladder League - SUMMER 2026
Loss 7-11 Carolyn Roan Nickie Gader / Judith Lee 3.4611 -0.0128 3.4483
6 2026-07-23
Thursday Ladies Ladder League - SUMMER 2026
Win 11-1 Judith Lee Nickie Gader / Amy Huckaby 3.4483 +0.0092 3.4575
7 2026-07-23
Thursday Ladies Ladder League - SUMMER 2026
Loss 7-11 Nickie Gader Carolyn Roan / Amy Huckaby 3.4575 -0.0135 3.4440
8 2026-07-23
Thursday Ladies Ladder League - SUMMER 2026
Loss 3-11 Amy Huckaby Carolyn Roan / Judith Lee 3.4440 -0.0093 3.4347
9 2026-10-29
Thursday Ladies Ladder League - Fall 2026
Loss 5-11 Debbie Fischer Karen Kellam / Renae Kray 3.4347 -0.0116 3.4231
10 2026-10-29
Thursday Ladies Ladder League - Fall 2026
Win 11-7 Rosa Kopja Debbie Fischer / Karen Kellam 3.4231 +0.0133 3.4364
11 2026-10-29
Thursday Ladies Ladder League - Fall 2026
Loss 5-11 Karen Kellam Renae Kray / Rosa Kopja 3.4364 -0.0181 3.4183
12 2026-10-29
Thursday Ladies Ladder League - Fall 2026
Loss 8-11 Renae Kray Debbie Fischer / Rosa Kopja 3.4183 -0.0129 3.4054

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 3.4497 3.5919 +0.1422 -0.0061
2 3.5028 3.4304 +0.0724 +0.0079
3 3.4467 3.4911 +0.0444 -0.0087
4 3.5355 3.4667 -0.0688 -0.0120
5 3.4465 3.3453 -0.1012 -0.0128
6 3.3577 3.3307 +0.0271 +0.0092
7 3.4455 3.3176 -0.1280 -0.0135
8 3.3416 3.3674 +0.0258 -0.0093
9 3.2600 3.2033 -0.0568 -0.0116
10 3.1508 3.2683 -0.1175 +0.0133
11 3.4543 3.0583 -0.3959 -0.0181
12 3.1969 3.0914 -0.1055 -0.0129

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 +0.1422 -> computed delta -0.0061; 3.4800 -0.0061 = 3.4739