VIPR Rating Audit Trail

Charles S Nichols

Member ID: TVCPC-P0114   Generated: 2026-07-23 05:16 PM

3.2670 -> 3.2911
Net +0.0241   Record 6-4   Win Rate 60%   Games 10
Initial VIPR
3.2670
Registry seed
Current VIPR
3.2911
After latest rated game
Net Movement
+0.0241
Current minus initial
Record
6-4
60% win rate · 10 rated games

Storyline

Charles S Nichols entered VIPR with an initial registry rating of 3.2670. Across 10 rated doubles games, the player went 6-4 and moved +0.0241, finishing at 3.2911.

Why It Moved

AI-generated explanation: The 6-4 record produced +0.0590 from wins and -0.0349 from losses, for a net move of +0.0241. The biggest single-game impact was -0.0166 against Ron Ahart as partner and Ray Galonis / Ramon Jimenez as opponents. In game #1 on 2026-07-09, VIPR expected the player's team to have the edge, so the loss carried a larger drop: player team 3.2590 vs opponent team 2.9805.

Partner Chemistry

Partnership patterns are starting to emerge.

Charles's most common partner signals so far: Edward Gainer (2-0, 100%), Ron Ahart (1-1, 50%), David Roman (1-0, 100%), John Kasberger (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

Charles has faced Ron Ahart 3 times - record: 3-0. Clear ownership of the matchup.

Session Summary

DateW-LStartEndNet
2026-07-09 1-1 3.2670 3.2650 -0.0020
2026-07-16 3-1 3.2650 3.2779 +0.0129
2026-07-23 2-2 3.2779 3.2911 +0.0132

Game-By-Game Rating Trail

#DateResultScorePartnerOpponentsBeforeChangeAfter
1 2026-07-09 Loss 9-11 Ron Ahart Ray Galonis / Ramon Jimenez 3.2670 -0.0166 3.2504
2 2026-07-09 Win 11-1 Ramon Jimenez Ron Ahart / Ray Kopja 3.2504 +0.0146 3.2650
3 2026-07-16 Win 11-9 David Roman Ron Ahart / John Kasberger 3.2650 +0.0064 3.2714
4 2026-07-16 Win 11-6 John Kasberger Ron Ahart / Gregory Kerr 3.2714 +0.0073 3.2787
5 2026-07-16 Win 11-5 Ron Ahart David Roman / Gregory Kerr 3.2787 +0.0060 3.2847
6 2026-07-16 Loss 3-11 Gregory Kerr David Roman / John Kasberger 3.2847 -0.0068 3.2779
7 2026-07-23 Loss 4-11 William Brier Edward Gainer / Ron Hudik 3.2779 -0.0066 3.2713
8 2026-07-23 Loss 7-11 Ron Hudik Edward Gainer / William Brier 3.2713 -0.0049 3.2664
9 2026-07-23 Win 11-5 Edward Gainer Ron Hudik / William Brier 3.2664 +0.0127 3.2791
10 2026-07-23 Win 11-3 Edward Gainer Ron Hudik / William Brier 3.2791 +0.0120 3.2911

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 DiffComputed Delta
1 3.2590 2.9805 -0.2785 -0.0166
2 2.9910 3.1658 -0.1748 +0.0146
3 3.2863 3.1571 +0.1292 +0.0064
4 3.1623 3.0675 +0.0949 +0.0073
5 3.2413 3.0953 +0.1460 +0.0060
6 3.0709 3.1853 +0.1144 -0.0068
7 3.3450 3.4665 +0.1214 -0.0066
8 3.3206 3.5147 +0.1940 -0.0049
9 3.3560 3.4516 -0.0955 +0.0127
10 3.3687 3.4389 -0.0701 +0.0120

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 -0.2785 -> computed delta -0.0166; 3.2670 -0.0166 = 3.2504