use middle of subtier to estimate TS

1 files changed, 1 insertions, 1 deletions

diff --git a/worker.py b/worker.py
index 302e5aa..7ded73f 100644
--- a/worker.py
+++ b/worker.py
@@ -139,7 +139,7 @@ def process():
                     sigma = participant.trueskill_sigma or player.trueskill_sigma
                     if mu is None:
                         # no data -> approximate ts by VST
-                        mu = participant.skill_tier * 100
+                        mu = (participant.skill_tier + 0.5) * 100
                         if mu < 1:
                             mu = 1  # unranked
                         sigma = mu / 3