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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Old: I throw 14 lb balls and have no deflection or carry issues, other than when I throw a bad shot.
New:Well I've thrown a lot of bad shots, causing deflection and carry issues, and am plan on taking a couple steps up in weight and reworking my game this summer.
Calvin's Highs
Career
HG:300
HS:763
Season
HG:279
HS:666