Storyline
Anthony Campbell entered VIPR with an initial registry rating of 4.4510. Across 4 rated doubles games, the player went 2-2 and moved -0.0001, finishing at 4.4509.
Why It Moved
AI-generated explanation: The 2-2 record produced +0.0274 from wins and -0.0275 from losses, for a net move of -0.0001. The biggest single-game impact was +0.0166 against Kreg S Hamm as partner and Kevin Faust / Steve LaVallee as opponents. In game #1 on 2026-07-23, the player's team was the lower-rated team, so the win carried a larger gain: player team 4.1671 vs opponent team 4.4448.
Partnership patterns are starting to emerge.
Anthony's most common partner signals so far: Kreg S Hamm (1-0, 100%), Steve LaVallee (1-0, 100%), Brian Pierce (0-1, 0%), Kevin Faust (0-1, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Anthony has faced Tony Chiravolo 3 times - record: 1-2. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-23 | 2-2 | 4.4510 | 4.4509 | -0.0001 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-23 | Win | 11-9 | Kreg S Hamm | Kevin Faust / Steve LaVallee | 4.4510 | +0.0166 | 4.4676 |
| 2 | 2026-07-23 | Win | 11-5 | Steve LaVallee | Tony Chiravolo / Brian Pierce | 4.4676 | +0.0108 | 4.4784 |
| 3 | 2026-07-23 | Loss | 5-11 | Kevin Faust | Tony Chiravolo / Steve LaVallee | 4.4784 | -0.0115 | 4.4669 |
| 4 | 2026-07-23 | Loss | 10-11 | Brian Pierce | Tony Chiravolo / Kreg S Hamm | 4.4669 | -0.0160 | 4.4509 |
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 | 4.1671 | 4.4448 | -0.2777 | +0.0166 |
| 2 | 4.4175 | 4.4443 | -0.0269 | +0.0108 |
| 3 | 4.4818 | 4.4295 | -0.0523 | -0.0115 |
| 4 | 4.4288 | 4.1895 | -0.2394 | -0.0160 |
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 -0.2777 -> computed delta +0.0166; 4.4510 +0.0166 = 4.4676