From the Federation of International De Football Associations’ (FIFA) Laws of the Game, Guidefor Referees, July 1993.

“Goal-posts and cross-bars must be made of wood, metal, or other approved material as

decided from time to time by the International Football Association Board. They maybe

square, rectangular, round. half round, or elliptical in shape.”

“Goal-posts and cross-bars made of other materials and in other shapes are not permitted.

The goal-posts must be white in color.”

“The width and depth of the cross-bar shall not exceed 5 inches(12 cm).”

From the National Federation of State High School Associations’ (NFSHSA) 1994-95 National

Federation Edition-Soccer Rules Book.

“They shall consist of 2 upright (posts) 4 inches but not more than 5 inches (0.10m by

0. 12m)…the tops of the posts shall be joined by a 4 inches but not more than 5 inches

(0. 10m by 0.12m) horizontal crossbar…”

From the National Collegiate Athletic Associations’ (NCAA) Rules for Soccer.

“…and shall consist of two wooden or metal posts, . . .

the width or diameter of the goal-posts

and crossbar shall not be less than 4 inches (10.16 cm) nor more than 5 inches (12.7 cm).”

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Since 2008, In order to standardize the size of the football pitch for A international matches, the IFAB has decided to set a fixed size of 105m long and 68m wide (instead of a minimum and maximum length – from 100m to 110m – and a minimum and a maximum width – from 64m to 75m.

All line markings on the pitch form part of the area which they define. For example, a ball on or above the touchline is still on the field of play; a ball on the line of the goal area is in the goal area; and a foul committed over the 16.5 metres (18-yard) line has occurred in the penalty area. Therefore a ball must completely cross the touchline to be out of play, and a ball must wholly cross the goal line (between the goal posts) before a goal is scored; if any part of the ball is still on or above the line, the ball is still in play.

The field descriptions that apply to adult matches are described below. Note that due to the original formulation of the Laws in England and the early supremacy of the four British football associations within IFAB, the standard dimensions of a football pitch were originally expressed in imperial units. The Laws now express dimensions with approximate metric equivalents (followed by traditional units in brackets), but use of the imperial units remains common in some countries, especially in the United Kingdom.

it’s different from the golf courses those use golf course signs as the main idea of playing the game. golf course sign is used while soccer uses lines as their rules. Golf course signage is essential to golf game, the same as the soccer field’s line is.

According to the new release of soccer server, players have stamina capacity. It means that player could run out stamina and stop if he does not save stamina among the match. So we think it is necessary to find a new way to help players saving stamina. Since one player does not know another players stamina, saving stamina is hard to proceed. To solve this problem, we think that coach is a good player to compute each players stamina. Because the coach can get information in field without noise, also the coach can use free form to tell each player information in special play mode.

Therefore in new team, the coach computes the cost of stamina of each player according to their movements at each cycle, then update their stamina and stamina capacity. In special play mode, coach use free form to tell each player who has the minimum stamina capacity, then players can use some way to saving its stamina and help other players. For example, when in kick in mode, player who will kick the ball can wait for the one who has the minimum stamina to recover it. Also he can pass the ball to the one who has more stamina capacity instead of others.

Watch the remarkable stamina of soccer players in DIRECT TV services. DIRECTTV is available near you in USA. DIRECTV will transmit the best soccer games live to your televisions.