Initial VIPR
4.0060
Registry seed
Current VIPR
3.9762
After latest rated game
Net Movement
-0.0298
Current minus initial
Record
3-5
38% win rate · 8 rated games
Storyline
Jerry Stotts entered VIPR with an initial registry rating of 4.0060. Across 8 rated doubles games, the player went 3-5 and moved -0.0298, finishing at 3.9762.
Why It Moved
AI-generated explanation: The 3-5 record produced +0.0320 from wins and -0.0618 from losses, for a net move of -0.0298. The biggest single-game impact was -0.0148 against Ken Vallance as partner and William Danny Webster / Chris Donahue as opponents. In game #7 on 2026-07-16, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 4.0025 vs opponent team 3.8193.
Partner Chemistry
Partnership patterns are starting to emerge.
Jerry's most common partner signals so far: Pete Nikolakakis (1-1, 50%), Ken Vallance (0-2, 0%), Chris Donahue (1-0, 100%), Scott Konkel (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
Jerry has faced Ken Vallance 3 times - record: 1-2. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-09 | 2-2 | 4.0060 | 4.0015 | -0.0045 |
| 2026-07-16 | 1-3 | 4.0015 | 3.9762 | -0.0253 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-09 | Loss | 7-11 | Ken Vallance | Scott Konkel / Pete Nikolakakis | 4.0060 | -0.0140 | 3.9920 |
| 2 | 2026-07-09 | Win | 11-2 | Pete Nikolakakis | Scott Konkel / Fred Veenstra | 3.9920 | +0.0093 | 4.0013 |
| 3 | 2026-07-09 | Win | 11-10 | Scott Konkel | Ken Vallance / Fred Veenstra | 4.0013 | +0.0102 | 4.0115 |
| 4 | 2026-07-09 | Loss | 9-11 | Fred Veenstra | Ken Vallance / Pete Nikolakakis | 4.0115 | -0.0100 | 4.0015 |
| 5 | 2026-07-16 | Loss | 8-11 | Jerry Visconti | Ken Vallance / Chris Donahue | 4.0015 | -0.0146 | 3.9869 |
| 6 | 2026-07-16 | Win | 11-8 | Chris Donahue | William Danny Webster / Pete Nikolakakis | 3.9869 | +0.0125 | 3.9994 |
| 7 | 2026-07-16 | Loss | 7-11 | Ken Vallance | William Danny Webster / Chris Donahue | 3.9994 | -0.0148 | 3.9846 |
| 8 | 2026-07-16 | Loss | 7-11 | Pete Nikolakakis | William Danny Webster / Jerry Visconti | 3.9846 | -0.0084 | 3.9762 |
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 | 4.0053 | 3.8587 | -0.1466 | -0.0140 |
| 2 | 3.9072 | 3.8812 | +0.0261 | +0.0093 |
| 3 | 3.9078 | 3.9144 | -0.0066 | +0.0102 |
| 4 | 3.9071 | 3.9068 | -0.0004 | -0.0100 |
| 5 | 3.9935 | 3.8191 | -0.1744 | -0.0146 |
| 6 | 3.8254 | 3.9158 | -0.0903 | +0.0125 |
| 7 | 4.0025 | 3.8193 | -0.1833 | -0.0148 |
| 8 | 3.9175 | 3.9730 | +0.0555 | -0.0084 |
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 -0.1466 -> computed delta -0.0140; 4.0060 -0.0140 = 3.9920