Initial VIPR
3.5900
Registry seed
Current VIPR
3.5591
After latest rated game
Net Movement
-0.0309
Current minus initial
Record
3-5
38% win rate · 8 rated games
Storyline
Cheri Kazee entered VIPR with an initial registry rating of 3.5900. Across 8 rated doubles games, the player went 3-5 and moved -0.0309, finishing at 3.5591.
Why It Moved
AI-generated explanation: The 3-5 record produced +0.0229 from wins and -0.0538 from losses, for a net move of -0.0309. The biggest single-game impact was -0.0169 against Cheryl Hallgren as partner and Cindy Demaio / Judith DeJaco as opponents. In game #6 on 2026-10-29, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 3.5342 vs opponent team 3.2420.
Partner Chemistry
Partnership patterns are starting to emerge.
Cheri's most common partner signals so far: Jeanan Delp (1-0, 100%), Judith DeJaco (1-0, 100%), Lori Linklater (1-0, 100%), Cheryl Hallgren (0-1, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Streaks & Rivalries
Streak
Cheri is currently on a 2-game winning streak in rated VIPR games.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-10-15 | 1-3 | 3.5900 | 3.5668 | -0.0232 |
| 2026-10-29 | 2-2 | 3.5668 | 3.5591 | -0.0077 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-7 | Lori Linklater | Diane McCarthy / Sandy Zutter | 3.5900 | +0.0099 | 3.5999 |
| 2 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Loss | 9-11 | Suzie Dunn | Lori Linklater / Diane McCarthy | 3.5999 | -0.0082 | 3.5917 |
| 3 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Loss | 3-11 | Diane McCarthy | Sandy Zutter / Suzie Dunn | 3.5917 | -0.0131 | 3.5786 |
| 4 | 2026-10-15 Thursday Ladies Ladder League - Fall 2026 |
Loss | 8-11 | Sandy Zutter | Lori Linklater / Suzie Dunn | 3.5786 | -0.0118 | 3.5668 |
| 5 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Loss | 6-11 | Cindy Demaio | Jeanan Delp / Cheryl Hallgren | 3.5668 | -0.0038 | 3.5630 |
| 6 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Loss | 8-11 | Cheryl Hallgren | Cindy Demaio / Judith DeJaco | 3.5630 | -0.0169 | 3.5461 |
| 7 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-0 | Judith DeJaco | Jeanan Delp / Cindy Demaio | 3.5461 | +0.0028 | 3.5489 |
| 8 | 2026-10-29 Thursday Ladies Ladder League - Fall 2026 |
Win | 11-6 | Jeanan Delp | Cheryl Hallgren / Judith DeJaco | 3.5489 | +0.0102 | 3.5591 |
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 | 3.5683 | 3.5645 | +0.0038 | +0.0099 |
| 2 | 3.5020 | 3.5640 | +0.0621 | -0.0082 |
| 3 | 3.5897 | 3.4772 | -0.1125 | -0.0131 |
| 4 | 3.5584 | 3.4950 | -0.0634 | -0.0118 |
| 5 | 3.2491 | 3.5030 | +0.2538 | -0.0038 |
| 6 | 3.5342 | 3.2420 | -0.2922 | -0.0169 |
| 7 | 3.5538 | 3.2370 | +0.3168 | +0.0028 |
| 8 | 3.5152 | 3.5235 | -0.0083 | +0.0102 |
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 +0.0038 -> computed delta +0.0099; 3.5900 +0.0099 = 3.5999