Storyline
Janice Czerwinski entered VIPR with an initial registry rating of 3.5190. Across 4 rated doubles games, the player went 3-1 and moved +0.0171, finishing at 3.5361.
Why It Moved
AI-generated explanation: The 3-1 record produced +0.0282 from wins and -0.0111 from losses, for a net move of +0.0171. The biggest single-game impact was -0.0111 against Nancy Grzesiek as partner and Melissa Terhark / Cindy Hilderbrand as opponents. In game #4 on 2026-10-29, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 3.4740 vs opponent team 3.4348.
Partnership patterns are starting to emerge.
Janice's most common partner signals so far: Cindy Hilderbrand (1-0, 100%), Melissa Terhark (1-0, 100%), Suzie Dunn (1-0, 100%), Nancy Grzesiek (0-1, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Janice is currently on a 1-game losing streak in rated VIPR games.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-10-29 | 3-1 | 3.5190 | 3.5361 | +0.0171 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-6 | Melissa Terhark | Suzie Dunn / Nancy Grzesiek | 3.5190 | +0.0089 | 3.5279 |
| 2 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-3 | Cindy Hilderbrand | Melissa Terhark / Suzie Dunn | 3.5279 | +0.0104 | 3.5383 |
| 3 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-2 | Suzie Dunn | Nancy Grzesiek / Cindy Hilderbrand | 3.5383 | +0.0089 | 3.5472 |
| 4 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Loss | 5-11 | Nancy Grzesiek | Melissa Terhark / Cindy Hilderbrand | 3.5472 | -0.0111 | 3.5361 |
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 | 3.4966 | 3.4587 | +0.0379 | +0.0089 |
| 2 | 3.4500 | 3.4643 | -0.0143 | +0.0104 |
| 3 | 3.4732 | 3.4343 | +0.0389 | +0.0089 |
| 4 | 3.4740 | 3.4348 | -0.0391 | -0.0111 |
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 +0.0379 -> computed delta +0.0089; 3.5190 +0.0089 = 3.5279