A typical beginner's score is approximately 50-70 at first, while a skilled leisure bowler's average is usually in the 130s-150s. A skilled bowler typically averages 200 in a single game. A professional bowling game or tournament champion often scores between 260 and 280. Higher scores are possible but much more difficult to achieve.
In general, if you shoot for a high score then you are asking for trouble. Bowling is a game of random chance, so even if you do everything exactly right you can still bust out with a series of bad rolls that drop your score quickly. On the other hand, if you go for a low score then it might not be easy, but it is certainly possible. Even though shooting for a low score makes sense mathematically, it is not recommended because you never know when one good roll is going to turn into two good rolls and three bad rolls until it is too late.
The best strategy is to aim middle-of-the-road scores and let luck take its course. That being said, there are times when you should try for a high or low score. For example, if you are having trouble finding holes in your delivery then you may want to work on your accuracy instead. And vice versa - if you are hitting your marks perfectly every time then maybe you should start trying some different strategies to see what works best for you.
The usual numbers for the basis average are 200, 210, or 220, and the percentage component is 80, 90, or 100 percent. The basis average is designed to be greater than the average of any one bowler. To get your average, sum your previous game scores and divide the total by the number of games. Then multiply that number by 20 to get the basis score. Add this number to your last game's score and divide the sum by two. This will give you the amount you need to beat at random times during the game.
Basis scoring was originally used by American football teams until the 1970s when it was abandoned in favor of today's scoring systems. It returns to baseball in certain circumstances such as when a team uses replacement players or when the regular roster size is reduced due to injuries or ejections.
In rugby, the term "basis point" or "bp" is used instead. In association football (soccer), the term "goal bp" or "gb" is used instead. In cricket, the term "runs required to win" is used instead.
In basketball, hockey, and tennis, the term "game score" is used instead. In pool and billiards, the term "number needed to win" is used instead.
In surregy, the term "base point" or "bpg" is used instead.
If you're playing first grade in Sydney grade cricket (a very high quality), a bowling average in the mid-20s is regarded acceptable, the low 20s very good, and less than 20 outstanding. Take 5 or 10 runs off that if you were in fifth grade. If you were in third grade, then it's even better if you can get below two runs per over.
The highest average ever recorded by an Australian bowler is Shane Warne's mark of 19.80 in 1996. This was during a season when he played all but one of his games for Victoria, and took 200 wickets in total. He used various deliveries, but mainly fast balls and googlies (leg breaks).
Warne took five runs off an over back then which would be worth around six today because scoring rates are higher. So his average actually fell after taking more than one wicket every innings.
Other notable averages from past years: Glenn McGrath - 2001 World Cup winning season - 28.50; Jason Gillespie - 1995/96 season - 29.04; Fred Trueman - 1962 season - 30.05.
The lowest average ever recorded by an Australian bowler is Peter Siddle's 12.57 in 2013. This was during a season when he played only three matches because of injury, took just four wickets in those games, and scored 51 runs.
A tour player has a 3,000 to 1 chance, whereas a low-handicapper has a 5,000 to 1 chance. The more adept you are at bowling, similar to making an ace, the higher your chances of a 300 game. A PBA bowler's chances of rolling a 300 are 460 to 1, whereas the ordinary bowler's chances are 11,500 to 1.
In other words, bowling is incredibly rare. Only one in 2.5 million shots by an average bowler will result in a strike. By contrast, only one in 25,000 shots by a tour player will be a strike.
The odds of scoring exactly 300 in a given game of ten frames is about as likely as winning the lottery twice in a row. Such events are so rare that they happen only once or twice in every 10,000 games of bowling. Before you say it: yes, this does mean that you can roll triple 20s in a game!
The most recent case of three 300 games in one season took place in 2008 when Chris Paul of the Los Angeles Clippers and James Harden of the Houston Rockets scored consecutive 300 games before their seasons ended. The previous record was two 300 games in a season, first set by Mark Rothgery and Denny Neagle in 1994. Since then, only four other people have had the honor of shooting a 300 game in a season.
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