alleygorithm
player impact + groups
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alleygorithm
player impact and winning groups

Player, pair, and lineup impact measured from every NBA possession.

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Pair•Current season•Through 2026-04-22
Julian Champagnie
Victor Wembanyama
SAS logo

Julian Champagnie + Victor Wembanyama

Over 100 shared possessions, this pair has added about +0.019 wins after shrinkage. That is 100th percentile on 5,349 shared possessions, which currently reads as a high confidence signal. This sample is sturdy enough to treat as a real rotation signal.

Rank #10|+1.0 est. wins|100th percentile|high confidence|5,349 poss
League percentile99.8th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 100% of pairs. Rank #10 in this window, with 5,349 shared possessions and high confidence.
Est. wins added
+1.0
100100th percentile
Impact / 100
+0.019
100100th percentile
Off / Def
O+0.020D+0.020
Shape of value across both sides
Possessions
5,349
high confidence
Grade
100%
grade A+
What stands out
This sample is sturdy enough to treat as a real rotation signal.
The group has added +1.0 estimated wins in this window, which is easier to read than the per-100 rate on its own.
Off/Def shows whether that value is being created through scoring lift, defensive resistance, or a more balanced two-way profile.
Baseline check
The member average is +0.051, while the group's expected baseline is +0.025.
Advanced breakdown
Observed possessions5,349
Member average+0.051
Expected baseline+0.025
Actual group score+0.019
Surplus-0.007
Member profiles
Julian Champagnie
SAS logo
SAS
+0.055
100th pctl
9,988 posshighOff +0.042 / Def +0.037
Victor Wembanyama
SAS logo
SAS
+0.047
99th pctl
8,101 posshighOff +0.026 / Def +0.046