A house shot - THS, China, Wall, Wall of China...
The oil pattern is always drier on the outside, wetter on the inside. A house shot will funnel a reasonably thrown shot to the pocket. Doesn't mean you'll always carry, but your pocket percentage will be high. This is the shot that gives every bowler "area" - meaning area to hit, instead of 1 or 2 boards.
The oil ratio on a house shot can sometimes be up to 10 to 1 - dry outside to 10X the oil on the inside. You can pull the ball, and the oil causes the ball to hold, not take off. You can miss a bunch right, and the dry boards bring back the reactive equipment.
A sport shot:
Until this year, a ratio of oil no more than 2:1. In other words - pretty flat. It can be a short oil shot, a long oil shot, a light oil volume shot, a heavy oil volume shot - that part doesn't matter. What does matter is that if you pull the ball, it's going to go high. If you miss right, you WILL miss the headpin. Frustrating, challenging, and puts a premium on GREAT shotmaking. The PBA tour decided a few years ago that the scoring pace on sport conditions was just too low to excite the fans, so they went to their own conditions. The PWBA (women) bowled on sport, and the WIBC Queens Tournament will be held on sport again this year. See our very own Michigan Bowling's site for more info:
http://www.michiganbowling.com/Articles/Quick%20Answer.htmPBA shots are very challenging, very well defined shots that vary mainly based on lane bed condition. These shots were developed to give the pros something to shoot at, some kind of challenge, without the tremendous grind created by a sport shot.
http://www.pba.com/laneconditions/default.asp--------------------
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