VIPR Rating Audit Trail

Oliver Sun

Member ID: TVCPC-P0095   Generated: 2026-10-29 07:46 PM

4.5540 -> 4.5576
Net +0.0036   Record 10-13   Win Rate 43%   Games 23
Initial VIPR
4.5540
Registry seed
Current VIPR
4.5576
After latest rated game
Net Movement
+0.0036
Current minus initial
Record
10-13
43% win rate · 23 rated games

Storyline

Oliver Sun entered VIPR with an initial registry rating of 4.5540. Across 23 rated doubles games, the player went 10-13 and moved +0.0036, finishing at 4.5576.

Why It Moved

AI-generated explanation: The record was below .500, but the rating rose because the 10 win(s) added +0.1096 against stronger situations while the 13 losses cost -0.1060. The biggest single-game impact was +0.0169 against Kevin Faust as partner and Derek Wuebbels / Richard Chris Armstrong as opponents. In game #5 on 2026-07-16, the player's team was the lower-rated team, so the win carried a larger gain: player team 4.5227 vs opponent team 4.8174.

Partner Chemistry

Partnership patterns are starting to emerge.

Oliver's most common partner signals so far: Jim Bruton (2-1, 67%), Richard Chris Armstrong (2-1, 67%), Derek Wuebbels (1-2, 33%), Gary Kray (1-2, 33%). No partnership has reached both the 8+ match and 75%+ win-rate marker yet, so treat this as directional.

Streaks & Rivalries
Rivalry

Oliver has faced Derek Wuebbels 7 times - record: 4-3. A close matchup worth watching.

Session Summary

DateW-LStartEndNet
2026-07-02 0-4 4.5540 4.5294 -0.0246
2026-07-16 4-0 4.5294 4.5698 +0.0404
2026-07-23 3-1 4.5698 4.5996 +0.0298
2026-08-06 1-2 4.5996 4.5987 -0.0009
2026-08-13 1-3 4.5987 4.5706 -0.0281
2026-09-17 1-3 4.5706 4.5576 -0.0130

Game-By-Game Rating Trail

#DateResultScorePartnerOpponentsBeforeChangeAfter
1 2026-07-02
Thursday Men's Ladder League - Summer 2026
Loss 5-11 Vinny De Lapi Derek Wuebbels / Jim Bruton 4.5540 -0.0055 4.5485
2 2026-07-02
Thursday Men's Ladder League - Summer 2026
Loss 6-11 Jim Bruton Vinny De Lapi / Richard Chris Armstrong 4.5485 -0.0064 4.5421
3 2026-07-02
Thursday Men's Ladder League - Summer 2026
Loss 2-11 Richard Chris Armstrong Derek Wuebbels / Vinny De Lapi 4.5421 -0.0060 4.5361
4 2026-07-02
Thursday Men's Ladder League - Summer 2026
Loss 6-11 Derek Wuebbels Jim Bruton / Richard Chris Armstrong 4.5361 -0.0067 4.5294
5 2026-07-16
Thursday Men's Ladder League - Summer 2026
Win 11-6 Kevin Faust Derek Wuebbels / Richard Chris Armstrong 4.5294 +0.0169 4.5463
6 2026-07-16
Thursday Men's Ladder League - Summer 2026
Win 11-7 Richard Chris Armstrong Gary Kray / Brian Pierce 4.5463 +0.0067 4.5530
7 2026-07-16
Thursday Men's Ladder League - Summer 2026
Win 11-7 Derek Wuebbels Kevin Faust / Brian Pierce 4.5530 +0.0056 4.5586
8 2026-07-16
Thursday Men's Ladder League - Summer 2026
Win 11-4 Gary Kray Richard Chris Armstrong / Kevin Faust 4.5586 +0.0112 4.5698
9 2026-07-23
Thursday Men's Ladder League - Summer 2026
Loss 6-11 Derek Wuebbels Wayne Bondy / Phil Weiner 4.5698 -0.0092 4.5606
10 2026-07-23
Thursday Men's Ladder League - Summer 2026
Win 11-3 Wayne Bondy Richard Chris Armstrong / Michael Leardi 4.5606 +0.0106 4.5712
11 2026-07-23
Thursday Men's Ladder League - Summer 2026
Win 11-4 Phil Weiner Derek Wuebbels / Michael Leardi 4.5712 +0.0129 4.5841
12 2026-07-23
Thursday Men's Ladder League - Summer 2026
Win 11-8 Richard Chris Armstrong Derek Wuebbels / Wayne Bondy 4.5841 +0.0155 4.5996
13 2026-08-06
Thursday Men's Ladder League - Summer 2026
Loss 9-11 Gary Kray Wayne Bondy / Jim Bruton 4.5996 -0.0046 4.5950
14 2026-08-06
Thursday Men's Ladder League - Summer 2026
Win 11-9 Jim Bruton Ted Custer / Derek Wuebbels 4.5950 +0.0149 4.6099
15 2026-08-06
Thursday Men's Ladder League - Summer 2026
Loss 7-11 Wayne Bondy Gary Kray / Derek Wuebbels 4.6099 -0.0112 4.5987
16 2026-08-13
Thursday Men's Ladder League - Summer 2026
Win 11-7 Rob Schultz Steve LaVallee / Kevin Faust 4.5987 +0.0071 4.6058
17 2026-08-13
Thursday Men's Ladder League - Summer 2026
Loss 9-11 Gary Jones Rob Schultz / Steve LaVallee 4.6058 -0.0096 4.5962
18 2026-08-13
Thursday Men's Ladder League - Summer 2026
Loss 6-11 Steve LaVallee Kevin Faust / Gary Jones 4.5962 -0.0125 4.5837
19 2026-08-13
Thursday Men's Ladder League - Summer 2026
Loss 9-11 Kevin Faust Rob Schultz / Gary Jones 4.5837 -0.0131 4.5706
20 2026-09-17
Thursday Men's Ladder League - Summer 2026
Loss 2-11 Perry Olson Gary Kray / Jim Bruton 4.5706 -0.0129 4.5577
21 2026-09-17
Thursday Men's Ladder League - Summer 2026
Loss 3-11 Daren Haskell Jim Bruton / Perry Olson 4.5577 -0.0021 4.5556
22 2026-09-17
Thursday Men's Ladder League - Summer 2026
Win 11-1 Jim Bruton Gary Kray / Daren Haskell 4.5556 +0.0082 4.5638
23 2026-09-17
Thursday Men's Ladder League - Summer 2026
Loss 5-11 Gary Kray Perry Olson / Daren Haskell 4.5638 -0.0062 4.5576

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 4.6014 4.7712 +0.1698 -0.0055
2 4.6040 4.7363 +0.1323 -0.0064
3 4.6192 4.7676 +0.1483 -0.0060
4 4.6364 4.7562 +0.1198 -0.0067
5 4.5227 4.8174 -0.2947 +0.0169
6 4.6155 4.4946 +0.1208 +0.0067
7 4.6438 4.4803 +0.1635 +0.0056
8 4.5618 4.6047 -0.0429 +0.0112
9 4.6594 4.6884 +0.0290 -0.0092
10 4.6517 4.6733 -0.0216 +0.0106
11 4.5921 4.6942 -0.1021 +0.0129
12 4.6309 4.8448 -0.2140 +0.0155
13 4.5824 4.7911 +0.2088 -0.0046
14 4.6471 4.8312 -0.1841 +0.0149
15 4.6847 4.6414 -0.0433 -0.0112
16 4.5331 4.4291 +0.1040 +0.0071
17 4.4215 4.4338 +0.0123 -0.0096
18 4.4637 4.3742 -0.0895 -0.0125
19 4.5131 4.4004 -0.1128 -0.0131
20 4.7730 4.6709 -0.1021 -0.0129
21 4.5293 4.9037 +0.3744 -0.0021
22 4.6184 4.5555 +0.0629 +0.0082
23 4.5872 4.7251 +0.1379 -0.0062

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 +0.1698 -> computed delta -0.0055; 4.5540 -0.0055 = 4.5485