VIPR Rating Audit Trail

George Artrip

Member ID: TVCPC-P0607   Generated: 2026-10-29 07:46 PM

3.8680 -> 3.8926
Net +0.0246   Record 9-7   Win Rate 56%   Games 16
Initial VIPR
3.8680
Registry seed
Current VIPR
3.8926
After latest rated game
Net Movement
+0.0246
Current minus initial
Record
9-7
56% win rate · 16 rated games

Storyline

George Artrip entered VIPR with an initial registry rating of 3.8680. Across 16 rated doubles games, the player went 9-7 and moved +0.0246, finishing at 3.8926.

Why It Moved

AI-generated explanation: The 9-7 record produced +0.0957 from wins and -0.0711 from losses, for a net move of +0.0246. The biggest single-game impact was +0.0139 against Dan Scheer as partner and Andrew Cook / William Danny Webster as opponents. In game #3 on 2026-10-01, the player's team was the lower-rated team, so the win carried a larger gain: player team 3.8070 vs opponent team 3.9494.

Partner Chemistry

Partnership patterns are starting to emerge.

George's most common partner signals so far: Andrew Cook (2-0, 100%), Bob Rich (1-1, 50%), Ken Vallance (1-1, 50%), Christopher Burns (0-2, 0%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.

Streaks & Rivalries
Rivalry

George has faced William Danny Webster 4 times - record: 4-0. Clear ownership of the matchup.

Session Summary

DateW-LStartEndNet
2026-10-01 3-1 3.8680 3.8911 +0.0231
2026-10-15 2-2 3.8911 3.8921 +0.0010
2026-10-22 2-2 3.8921 3.8898 -0.0023
2026-10-29 2-2 3.8898 3.8926 +0.0028

Game-By-Game Rating Trail

#DateResultScorePartnerOpponentsBeforeChangeAfter
1 2026-10-01
Thursday Men's Ladder League - Fall 2026
Loss 4-11 William Danny Webster Andrew Cook / Richard Edelman 3.8680 -0.0074 3.8606
2 2026-10-01
Thursday Men's Ladder League - Fall 2026
Win 11-2 Richard Edelman William Danny Webster / Dan Scheer 3.8606 +0.0083 3.8689
3 2026-10-01
Thursday Men's Ladder League - Fall 2026
Win 11-8 Dan Scheer Andrew Cook / William Danny Webster 3.8689 +0.0139 3.8828
4 2026-10-01
Thursday Men's Ladder League - Fall 2026
Win 11-8 Andrew Cook Richard Edelman / Dan Scheer 3.8828 +0.0083 3.8911
5 2026-10-15
Thursday Men's Ladder League - Fall 2026
Win 11-6 Andrew Cook William Danny Webster / Christopher Burns 3.8911 +0.0100 3.9011
6 2026-10-15
Thursday Men's Ladder League - Fall 2026
Win 11-10 Matt Dame Andrew Cook / William Danny Webster 3.9011 +0.0123 3.9134
7 2026-10-15
Thursday Men's Ladder League - Fall 2026
Loss 8-11 William Danny Webster Christopher Burns / Matt Dame 3.9134 -0.0107 3.9027
8 2026-10-15
Thursday Men's Ladder League - Fall 2026
Loss 5-11 Christopher Burns Andrew Cook / Matt Dame 3.9027 -0.0106 3.8921
9 2026-10-22
Thursday Men's Ladder League - Fall 2026
Win 11-8 Ken Vallance Tony Moran / Bob Rich 3.8921 +0.0072 3.8993
10 2026-10-22
Thursday Men's Ladder League - Fall 2026
Loss 7-11 Bob Rich Tony Moran / Christopher Burns 3.8993 -0.0122 3.8871
11 2026-10-22
Thursday Men's Ladder League - Fall 2026
Win 11-8 Tony Moran Ken Vallance / Christopher Burns 3.8871 +0.0136 3.9007
12 2026-10-22
Thursday Men's Ladder League - Fall 2026
Loss 8-11 Christopher Burns Ken Vallance / Bob Rich 3.9007 -0.0109 3.8898
13 2026-10-29
Thursday Men's Ladder League - Fall 2026
Loss 5-11 Dan Cupertino Scott Konkel / Ken Vallance 3.8898 -0.0090 3.8808
14 2026-10-29
Thursday Men's Ladder League - Fall 2026
Loss 6-11 Ken Vallance Dan Cupertino / Bob Rich 3.8808 -0.0103 3.8705
15 2026-10-29
Thursday Men's Ladder League - Fall 2026
Win 11-5 Bob Rich Scott Konkel / Dan Cupertino 3.8705 +0.0121 3.8826
16 2026-10-29
Thursday Men's Ladder League - Fall 2026
Win 11-9 Scott Konkel Ken Vallance / Bob Rich 3.8826 +0.0100 3.8926

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 3.8884 3.9811 +0.0927 -0.0074
2 3.8965 3.8360 +0.0606 +0.0083
3 3.8070 3.9494 -0.1423 +0.0139
4 3.9138 3.8549 +0.0588 +0.0083
5 3.9221 3.9222 -0.0001 +0.0100
6 3.8491 3.9311 -0.0820 +0.0123
7 3.8930 3.8691 -0.0240 -0.0107
8 3.9168 3.8946 -0.0222 -0.0106
9 3.8997 3.7992 +0.1005 +0.0072
10 3.8871 3.8092 -0.0779 -0.0122
11 3.8021 3.9326 -0.1305 +0.0136
12 3.9082 3.8772 -0.0310 -0.0109
13 3.9067 3.9413 +0.0346 -0.0090
14 3.8994 3.8891 -0.0104 -0.0103
15 3.8763 3.9490 -0.0727 +0.0121
16 3.9077 3.9078 -0.0001 +0.0100

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 +0.0927 -> computed delta -0.0074; 3.8680 -0.0074 = 3.8606