VIPR Rating Audit Trail

Laurie Watson

Member ID: TVCPC-P0382   Generated: 2026-10-29 07:46 PM

2.6760 -> 2.7159
Net +0.0399   Record 6-2   Win Rate 75%   Games 8
Initial VIPR
2.6760
Registry seed
Current VIPR
2.7159
After latest rated game
Net Movement
+0.0399
Current minus initial
Record
6-2
75% win rate · 8 rated games

Storyline

Laurie Watson entered VIPR with an initial registry rating of 2.6760. Across 8 rated doubles games, the player went 6-2 and moved +0.0399, finishing at 2.7159.

Why It Moved

AI-generated explanation: The 6-2 record produced +0.0518 from wins and -0.0119 from losses, for a net move of +0.0399. The biggest single-game impact was +0.0189 against Amy Fortier as partner and Michele Chew / Fern S Reisinger as opponents. In game #1 on 2026-08-13, the player's team was the lower-rated team, so the win carried a larger gain: player team 2.2249 vs opponent team 2.7274.

Partner Chemistry

Partnership patterns are starting to emerge.

Laurie's most common partner signals so far: Amy Fortier (1-0, 100%), Ann Thiel (1-0, 100%), Danielle George (1-0, 100%), Fern S Reisinger (1-0, 100%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.

Streaks & Rivalries
Streak

Laurie is currently on a 1-game winning streak in rated VIPR games.

Session Summary

DateW-LStartEndNet
2026-08-13 3-1 2.6760 2.6890 +0.0130
2026-10-22 3-1 2.6890 2.7159 +0.0269

Game-By-Game Rating Trail

#DateResultScorePartnerOpponentsBeforeChangeAfter
1 2026-08-13
Thursday Ladies Ladder League - SUMMER 2026
Win 11-9 Amy Fortier Michele Chew / Fern S Reisinger 2.6760 +0.0189 2.6949
2 2026-08-13
Thursday Ladies Ladder League - SUMMER 2026
Win 11-1 Nancy Krau Michele Chew / Amy Fortier 2.6949 +0.0011 2.6960
3 2026-08-13
Thursday Ladies Ladder League - SUMMER 2026
Win 11-9 Fern S Reisinger Nancy Krau / Amy Fortier 2.6960 +0.0019 2.6979
4 2026-08-13
Thursday Ladies Ladder League - SUMMER 2026
Loss 7-11 Michele Chew Nancy Krau / Fern S Reisinger 2.6979 -0.0089 2.6890
5 2026-10-22
Thursday Ladies Ladder League - Fall 2026
Win 11-9 Ann Thiel Cathy Goss / Danielle George 2.6890 +0.0087 2.6977
6 2026-10-22
Thursday Ladies Ladder League - Fall 2026
Win 11-2 Danielle George Cathy Goss / Lisa French 2.6977 +0.0033 2.7010
7 2026-10-22
Thursday Ladies Ladder League - Fall 2026
Loss 4-11 Cathy Goss Ann Thiel / Lisa French 2.7010 -0.0030 2.6980
8 2026-10-22
Thursday Ladies Ladder League - Fall 2026
Win 11-2 Lisa French Ann Thiel / Danielle George 2.6980 +0.0179 2.7159

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 2.2249 2.7274 -0.5025 +0.0189
2 2.7511 2.2586 +0.4926 +0.0011
3 2.6941 2.2996 +0.3945 +0.0019
4 2.7114 2.7511 +0.0397 -0.0089
5 2.7874 2.7417 +0.0457 +0.0087
6 2.8715 2.5872 +0.2844 +0.0033
7 2.5579 2.8591 +0.3013 -0.0030
8 2.7268 3.1030 -0.3762 +0.0179

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 -0.5025 -> computed delta +0.0189; 2.6760 +0.0189 = 2.6949