No walls
No walls: 52.7% over 9,594 decided matches
+1.3%
Walls
Walls: 50.9% over 19,767 decided matches
-0.6%
-1.9%
Walls or no walls
p 0.006
Two-proportion z, Benjamini–Hochberg at 5% FDR
V1.10
LION
Walls Impact To Win Probability
Mid ranks
32,582 matches
~
32,582 matches · 296 players
2026/03/26 – 2026/09/23
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