Ten-pin bowling may be won when one player is ahead by more frames than remain of the possible 12 frames. This variant reduces match length and scoring complexity for two-player matches. The maximum score in a game of ten-pin is 300, scored by making 12 strikes in a row. Before 1908, no one ever received an award for a game greater than 298. ABC used to award medals (gold, silver and bronze) for the three highest individual games rolled in the nation. The number of perfect games bowled during a season first became a problem for American Bowling Congress (ABC) officials in
Ten-pin bowling is on top of the ball with two fingers in the 12-o'clock position and the thumb ending in the 6-o'clock position, at which point the fingers and thumb release the ball simultaneously. The forearm also creates spin and pushes the ball onto the lane. Spinning is difficult to master, and can cause injury if not done properly. Using a lighter bowling ball (10 to 12 pounds) with a completely rounded core is recommended, along with a conventional grip. Spinning causes results like a weak 5-pin more frequently. The backup style of bowling is where the bowler will flick their wrist