Initial VIPR
3.9420
Registry seed
Current VIPR
4.0073
After latest rated game
Net Movement
+0.0653
Current minus initial
Record
6-2
75% win rate · 8 rated games
Storyline
Mike Blackston entered VIPR with an initial registry rating of 3.9420. Across 8 rated doubles games, the player went 6-2 and moved +0.0653, finishing at 4.0073.
Why It Moved
AI-generated explanation: The 6-2 record produced +0.0750 from wins and -0.0097 from losses, for a net move of +0.0653. The biggest single-game impact was +0.0181 against Ellen Huber as partner and Mary Seifert / Douglas Starn as opponents. In game #2 on 2026-10-13, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.5759 vs opponent team 3.9632.
Partner Chemistry
Partnership patterns are starting to emerge.
Mike's most common partner signals so far: David Koleda (2-0, 100%), Ellen Huber (2-0, 100%), Bob Humphrey (1-1, 50%), Phil Sciacca (1-1, 50%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Streaks & Rivalries
Rivalry
Mike has faced Douglas Starn 4 times - record: 3-1. Clear ownership of the matchup.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-10-13 | 3-1 | 3.9420 | 3.9689 | +0.0269 |
| 2026-10-20 | 3-1 | 3.9689 | 4.0073 | +0.0384 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-10-13 Santiago Club - Team 1 vs Team 2 |
Win | 24-22 | Bob Humphrey | Greg Dodge / Douglas Starn | 3.9420 | +0.0085 | 3.9505 |
| 2 | 2026-10-13 Santiago Club - Team 1 vs Team 2 |
Win | 21-18 | Ellen Huber | Mary Seifert / Douglas Starn | 3.9505 | +0.0181 | 3.9686 |
| 3 | 2026-10-13 Santiago Club - Team 1 vs Team 2 |
Loss | 10-21 | Phil Sciacca | Douglas Starn / Kevin Eisemon | 3.9686 | -0.0030 | 3.9656 |
| 4 | 2026-10-13 Santiago Club - Team 1 vs Team 2 |
Win | 21-17 | David Koleda | Tad Leffelman / Douglas Starn | 3.9656 | +0.0033 | 3.9689 |
| 5 | 2026-10-20 Santiago Club - Team 4 vs Team 2 |
Win | 21-19 | Phil Sciacca | Mike Fritz / Bruce Ashley | 3.9689 | +0.0176 | 3.9865 |
| 6 | 2026-10-20 Santiago Club - Team 4 vs Team 2 |
Win | 22-20 | David Koleda | Ken Vallance / Mike Fritz | 3.9865 | +0.0097 | 3.9962 |
| 7 | 2026-10-20 Santiago Club - Team 4 vs Team 2 |
Loss | 17-21 | Bob Humphrey | Chris Eversole / Mike Fritz | 3.9962 | -0.0067 | 3.9895 |
| 8 | 2026-10-20 Santiago Club - Team 4 vs Team 2 |
Win | 25-24 | Ellen Huber | Nancy OBrien / Mike Fritz | 3.9895 | +0.0178 | 4.0073 |
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 | 4.0239 | 3.9707 | +0.0532 | +0.0085 |
| 2 | 3.5759 | 3.9632 | -0.3873 | +0.0181 |
| 3 | 3.4660 | 3.7667 | +0.3007 | -0.0030 |
| 4 | 3.9864 | 3.7045 | +0.2819 | +0.0033 |
| 5 | 3.4580 | 3.8010 | -0.3430 | +0.0176 |
| 6 | 3.9973 | 3.9870 | +0.0104 | +0.0097 |
| 7 | 4.0531 | 4.1703 | +0.1172 | -0.0067 |
| 8 | 3.6048 | 3.9674 | -0.3626 | +0.0178 |
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 +0.0532 -> computed delta +0.0085; 3.9420 +0.0085 = 3.9505