Changes

<olstyle="list-style-type:circle"><li value="1">A marker (or markers) shall be set up on the ground, at an appropriate landing area, visible to all pilots from the air. The markers should indicate a line, perpendicular to the intended landing direction, and must not interfere with the safety of landing.</li><ol style="list-style-type:lower-alphacircle"><li value="a">The intention is for pilots to touch down and roll to a stop as close to the line as possible.</li></ol><br><li value="2">The use of wheel brake during the landing is prohibited, except to maintain normal safety. Any landing which uses the wheel brake is disqualified.</li><li value="3">All flights are to be taken in two-seater gliders, with an instructor sat in the back to verify the lack of wheel brake. The instructor may not physically control the glider during flight or during landing, except to maintain normal safety, as per clause 5.</li><li value="4">The (unnormalized) score of the flight is given as 3000/(30 + ''d''), where ''d'' is the shortest distance, measured in feet, between the landing line and the glider's main wheel at its final resting position.</li>