Initial VIPR
3.1350
Registry seed
Current VIPR
3.0808
After latest rated game
Net Movement
-0.0542
Current minus initial
Record
3-7
30% win rate · 10 rated games
Storyline
Ray Kopja entered VIPR with an initial registry rating of 3.1350. Across 10 rated doubles games, the player went 3-7 and moved -0.0542, finishing at 3.0808.
Why It Moved
AI-generated explanation: The 3-7 record produced +0.0258 from wins and -0.0800 from losses, for a net move of -0.0542. The biggest single-game impact was -0.0169 against Eric Jones as partner and Robert Gannon / Roger Thurman as opponents. In game #10 on 2026-07-23, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 3.1406 vs opponent team 2.8456.
Partner Chemistry
Partnership patterns are starting to emerge.
Ray's most common partner signals so far: Ron Ahart (1-1, 50%), Jerry Johnson (1-0, 100%), John Kasberger (1-0, 100%), David Condle (0-1, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.
Streaks & Rivalries
Rivalry
Ray has faced Ron Ahart 3 times - record: 1-2. A close matchup worth watching.
Session Summary
| Date | W-L | Start | End | Net |
|---|---|---|---|---|
| 2026-07-02 | 2-2 | 3.1350 | 3.1345 | -0.0005 |
| 2026-07-09 | 0-2 | 3.1345 | 3.1053 | -0.0292 |
| 2026-07-23 | 1-3 | 3.1053 | 3.0808 | -0.0245 |
Game-By-Game Rating Trail
| # | Date | Result | Score | Partner | Opponents | Before | Change | After |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-07-02 | Win | 11-4 | Ron Ahart | Mike Long / David Condle | 3.1350 | +0.0088 | 3.1438 |
| 2 | 2026-07-02 | Loss | 0-11 | David Condle | Mike Long / Jerry Johnson | 3.1438 | -0.0104 | 3.1334 |
| 3 | 2026-07-02 | Loss | 8-11 | Mike Long | Ron Ahart / Jerry Johnson | 3.1334 | -0.0099 | 3.1235 |
| 4 | 2026-07-02 | Win | 11-2 | Jerry Johnson | Ron Ahart / David Condle | 3.1235 | +0.0110 | 3.1345 |
| 5 | 2026-07-09 | Loss | 1-11 | Ron Ahart | Ramon Jimenez / Charles S Nichols | 3.1345 | -0.0146 | 3.1199 |
| 6 | 2026-07-09 | Loss | 1-11 | Ray Galonis | Ramon Jimenez / Ron Ahart | 3.1199 | -0.0146 | 3.1053 |
| 7 | 2026-07-23 | Loss | 8-11 | Robert Gannon | Eric Jones / John Kasberger | 3.1053 | -0.0046 | 3.1007 |
| 8 | 2026-07-23 | Loss | 9-11 | Roger Thurman | John Kasberger / Robert Gannon | 3.1007 | -0.0090 | 3.0917 |
| 9 | 2026-07-23 | Win | 11-8 | John Kasberger | Eric Jones / Roger Thurman | 3.0917 | +0.0060 | 3.0977 |
| 10 | 2026-07-23 | Loss | 6-11 | Eric Jones | Robert Gannon / Roger Thurman | 3.0977 | -0.0169 | 3.0808 |
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 | 3.1665 | 3.1243 | +0.0422 | +0.0088 |
| 2 | 3.1175 | 3.1021 | -0.0154 | -0.0104 |
| 3 | 3.1377 | 3.1428 | +0.0052 | -0.0099 |
| 4 | 3.1066 | 3.1415 | -0.0349 | +0.0110 |
| 5 | 3.1658 | 2.9910 | -0.1748 | -0.0146 |
| 6 | 3.1651 | 2.9935 | -0.1716 | -0.0146 |
| 7 | 2.9514 | 3.1605 | +0.2091 | -0.0046 |
| 8 | 2.9193 | 2.9556 | +0.0363 | -0.0090 |
| 9 | 3.1059 | 2.9568 | +0.1492 | +0.0060 |
| 10 | 3.1406 | 2.8456 | -0.2950 | -0.0169 |
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 +0.0422 -> computed delta +0.0088; 3.1350 +0.0088 = 3.1438