USASA Judging Criteria: Here is the criteria used for judging the Halfpipe (Quarterpipe) or Slopestyle competitions (found in rulebook): 508.01Criteria The criteria for judging the Halfpipe or Slopestyle competitions are:
1. Difficulty
  a. The technical difficulty
  b. How physically demanding the program is on the athlete,
  c. What is the technical level of each trick,
  d. Is there rest time between tricks,
  e. How many tricks,
  f. The number of hits in the pipe or obstacles used in the slope,
  g. What is the risk factor of the program or trick.
2. Execution
  a. Each phase of each trick should be considered as well as the entire program.
3. Variety
  a. The number of different tricks in the Halfpipe.
  b. The number of different obstacles used and different tricks executed in a Slopestyle run.
  c. The adaptability of the athlete to change routines during a 3 run finals, or because of changing conditions.
4. Amplitude
  a. In the Halfpipe, how high on or above the wall.
  b. In Slopestyle how high and how far they fly.
  c. The value of a run could almost double if the entire program is executed “up there” instead of one foot off the snow.
  d. The use of “Height towers” are helpful, especially in bad visibility.

Note: All the above criteria are closely interconnected. These criteria are taken into consideration by the judges in both systems.
Note: All the criteria are closely interconnected.

USASA Judging Systems:
Here is the judging system used for USASA Upper Midwest Alt Series - Overall Impression System. This system uses the judging criteria described early that included difficulty, execution, variety, and amplitude (can be found in the rulebook). 508.03 Overall System
• The Overall Impression System:
• 3 to 10 judges using all 4 of the basic criteria.
• The judges should take into account the segments used in the Separation system as Judge D does in that system.
• If 5 or more judges are used the TS or Head Judge may decide to through out the high and low scores to obtain the final score.
• These judges should be experienced, as they must take many factors into account as they judge.