The phrase "chat is core ball game" is not a commonly used phrase, so it is difficult to say exactly what it means. However, based on my knowledge, it seems that the phrase may be used to describe the importance of communication in sports. In many sports, communication between teammates is essential for success. Players need to be able to communicate effectively in order to coordinate their movements, strategize, and make adjustments during the game. The phrase "chat is core ball game" could also be used to describe the importance of social interaction in sports https://core-ball.org Sports can be a great way to meet new people and make friends. Players often form close bonds with their teammates, and these relationships can be just as important as the skills they learn on the field.