How many points is a set in volleyball?

The official volleyball matches are played in a 5-set, 3-win system, with the first 4 sets being played in a 25-point system, where each team wins a set only if it wins at least 25 points and outscores the other team by 2 points at the same time. In the deciding set, a 15-point system is used. After a team scores the first 8 points, the two teams exchange the court area and continue the game in the same position order until the end. In the deciding set (fifth set), the first team to score 15 points and be ahead of the opposing team by 2 points wins the match.

Volleyball, one of the ball sports, the court is rectangular, spaced with a high net, the two sides of the game (each side of six people) each side of the court, the players use their hands to hit the ball from the net to the air. The ball used in volleyball is made of sheepskin or synthetic leather, with rubber for the shell, similar in size to a soccer ball.

Volleyball game site for the 18 meters × 9 meters rectangular, surrounded by at least 2 meters of open space, at least 7 meters above the site shall not have obstacles. A line drawn across the middle of the court divides the court into two equal court areas. All lines are 5 centimeters wide. The ball has a circumference of 65-67 cm, a weight of 260-280 g and an air pressure of 0.40-0.45 kg/cm2. A net is erected over the center line of the court. The net is 1 meter wide and 9.50 meters long and hangs from two columns outside the field. The women's net is 2.24 meters high and the men's net is 2.43 meters high. At each end of the net, there is a 5 cm wide marking strip perpendicular to the junction of the sideline and the center line, and a 1.80 m long marking pole is attached to each of its outer sides. The ball has a circumference of 65-67 centimeters, a weight of 260-280 grams and an air pressure of 0.40-0.45 kg/cm2.

Players are not usually required to master all six skills serve, first pass (serve receive), second pass (lift and hold), dink, block, and save, but usually specialize in one or more of them, depending on the team's tactics. The most common positional assignments encompass three positions: attacker (divided into primary and secondary attackers), second passer, and libero (a player who specializes in defense). In order to block the opponent's attack and bounce the ball at a steep angle at high speed before the opponent has enough time to react, the attacker is generally a taller player with good jumping ability.