Initial VIPR
2.8910
Registry seed
Current VIPR
2.8866
After latest rated game
Net Movement
-0.0044
Current minus initial
Record
5-3
62% win rate · 8 rated games
Storyline
James Russ entered VIPR with an initial registry rating of 2.8910. Across 8 rated doubles games, the player went 5-3 and moved -0.0044, finishing at 2.8866.
Why It Moved
AI-generated explanation: The record was positive, but the rating dipped because the 5 wins added +0.0111 while the 3 loss(es) gave back -0.0155. The biggest single-game impact was -0.0106 against Louis Colella as partner and Mark Gamrat / Ramon Jimenez as opponents. In game #2 on 2026-07-02, the two teams were nearly even by pre-game team VIPR: player team 2.3316 vs opponent team 2.3118.
Partner Chemistry
Partnership patterns are starting to emerge.
James's most common partner signals so far: Mark Gamrat (1-1, 50%), Louis Colella (0-2, 0%), Maurice Finnegan (1-0, 100%), Mike Cluck (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
James has faced Louis Colella 4 times - record: 4-0. Clear ownership of the matchup.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-02 | 2-2 | 2.8910 | 2.8810 | -0.0100 |
| 2026-07-16 | 3-1 | 2.8810 | 2.8866 | +0.0056 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-02 | Win | 11-2 | Mike Cluck | Mark Gamrat / Louis Colella | 2.8910 | +0.0002 | 2.8912 |
| 2 | 2026-07-02 | Loss | 1-11 | Louis Colella | Mark Gamrat / Ramon Jimenez | 2.8912 | -0.0106 | 2.8806 |
| 3 | 2026-07-02 | Loss | 1-11 | Mark Gamrat | Mike Cluck / Ramon Jimenez | 2.8806 | -0.0007 | 2.8799 |
| 4 | 2026-07-02 | Win | 11-5 | Ramon Jimenez | Mike Cluck / Louis Colella | 2.8799 | +0.0011 | 2.8810 |
| 5 | 2026-07-16 | Win | 11-5 | Maurice Finnegan | Rick Ross / Mark Gamrat | 2.8810 | +0.0010 | 2.8820 |
| 6 | 2026-07-16 | Loss | 4-11 | Louis Colella | Maurice Finnegan / Rick Ross | 2.8820 | -0.0042 | 2.8778 |
| 7 | 2026-07-16 | Win | 11-6 | Rick Ross | Mark Gamrat / Louis Colella | 2.8778 | +0.0009 | 2.8787 |
| 8 | 2026-07-16 | Win | 11-5 | Mark Gamrat | Maurice Finnegan / Louis Colella | 2.8787 | +0.0079 | 2.8866 |
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 | 2.9363 | 2.0878 | +0.8485 | +0.0002 |
| 2 | 2.3316 | 2.3118 | -0.0199 | -0.0106 |
| 3 | 2.3317 | 2.9074 | +0.5757 | -0.0007 |
| 4 | 2.8675 | 2.3745 | +0.4930 | +0.0011 |
| 5 | 2.7198 | 2.2132 | +0.5066 | +0.0010 |
| 6 | 2.3227 | 2.5517 | +0.2290 | -0.0042 |
| 7 | 2.6198 | 2.0827 | +0.5371 | +0.0009 |
| 8 | 2.3272 | 2.2540 | +0.0732 | +0.0079 |
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 +0.8485 -> computed delta +0.0002; 2.8910 +0.0002 = 2.8912