Cgeorg, bowling at a tougher house isn't sandbagging, but a tournament can re-rate you if they know that particular house is like that. Some people have also bowled in leagues that are certified, but are using sport complaint patterns but not registering as sport shot leagues so they don't have to use the sport shot adjustment. I bowl in a variety of houses to get different conditions some hard, some middle of the road and some good.
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Calvin's Highs
Career
HG:300
HS:763
2009-2010 Winter Season
HG:257
HS:645
On Virtual League Team 4 AKA 4 Marksmen