Initial VIPR
4.2620
Registry seed
Current VIPR
4.2308
After latest rated game
Net Movement
-0.0312
Current minus initial
Record
5-7
42% win rate · 12 rated games
Storyline
David Jeanguenat entered VIPR with an initial registry rating of 4.2620. Across 12 rated doubles games, the player went 5-7 and moved -0.0312, finishing at 4.2308.
Why It Moved
AI-generated explanation: The 5-7 record produced +0.0413 from wins and -0.0725 from losses, for a net move of -0.0312. The biggest single-game impact was -0.0142 against Jim Suminski as partner and Kreg S Hamm / Chris Eversole as opponents. In game #4 on 2026-07-16, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 4.2878 vs opponent team 4.1326.
Partner Chemistry
Partnership patterns are starting to emerge.
David's most common partner signals so far: Sal Aparo (1-1, 50%), Bill Shoemaker (1-0, 100%), Chris Eversole (1-0, 100%), Jerry Linklater (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
David has faced Sal Aparo 3 times - record: 1-2. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-16 | 2-2 | 4.2620 | 4.2550 | -0.0070 |
| 2026-08-06 | 1-3 | 4.2550 | 4.2347 | -0.0203 |
| 2026-09-03 | 2-2 | 4.2347 | 4.2308 | -0.0039 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-16 | Loss | 9-11 | Kreg S Hamm | Chris Eversole / Sal Aparo | 4.2620 | -0.0042 | 4.2578 |
| 2 | 2026-07-16 | Win | 11-6 | Chris Eversole | Jim Suminski / Timothy DeMaria | 4.2578 | +0.0070 | 4.2648 |
| 3 | 2026-07-16 | Win | 11-8 | Sal Aparo | Kreg S Hamm / Timothy DeMaria | 4.2648 | +0.0044 | 4.2692 |
| 4 | 2026-07-16 | Loss | 9-11 | Jim Suminski | Kreg S Hamm / Chris Eversole | 4.2692 | -0.0142 | 4.2550 |
| 5 | 2026-08-06 | Win | 11-9 | Jerry Linklater | Sal Aparo / David DeBeradinis | 4.2550 | +0.0127 | 4.2677 |
| 6 | 2026-08-06 | Loss | 9-11 | Daren Haskell | David DeBeradinis / Jerry Linklater | 4.2677 | -0.0049 | 4.2628 |
| 7 | 2026-08-06 | Loss | 4-11 | David DeBeradinis | Sal Aparo / Daren Haskell | 4.2628 | -0.0142 | 4.2486 |
| 8 | 2026-08-06 | Loss | 4-11 | Sal Aparo | Jerry Linklater / Daren Haskell | 4.2486 | -0.0139 | 4.2347 |
| 9 | 2026-09-03 | Win | 11-6 | Bill Shoemaker | Mark Burkowski / Richard Whittington | 4.2347 | +0.0057 | 4.2404 |
| 10 | 2026-09-03 | Win | 11-4 | Richard Whittington | Mark Burkowski / Chip Leccese | 4.2404 | +0.0115 | 4.2519 |
| 11 | 2026-09-03 | Loss | 9-11 | Mark Burkowski | Bill Shoemaker / Chip Leccese | 4.2519 | -0.0095 | 4.2424 |
| 12 | 2026-09-03 | Loss | 9-11 | Chip Leccese | Bill Shoemaker / Richard Whittington | 4.2424 | -0.0116 | 4.2308 |
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 | 4.0982 | 4.3283 | +0.2301 | -0.0042 |
| 2 | 4.2891 | 4.1797 | +0.1093 | +0.0070 |
| 3 | 4.2777 | 4.0564 | +0.2213 | +0.0044 |
| 4 | 4.2878 | 4.1326 | -0.1552 | -0.0142 |
| 5 | 4.2637 | 4.3592 | -0.0955 | +0.0127 |
| 6 | 4.1203 | 4.3154 | +0.1951 | -0.0049 |
| 7 | 4.2930 | 4.1389 | -0.1541 | -0.0142 |
| 8 | 4.2807 | 4.1370 | -0.1437 | -0.0139 |
| 9 | 4.2497 | 4.0900 | +0.1597 | +0.0057 |
| 10 | 4.1092 | 4.1600 | -0.0509 | +0.0115 |
| 11 | 4.1779 | 4.1948 | +0.0169 | -0.0095 |
| 12 | 4.1959 | 4.1401 | -0.0558 | -0.0116 |
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 +0.2301 -> computed delta -0.0042; 4.2620 -0.0042 = 4.2578