SUUNTO G3 - Manual (Page 40)

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9. DEFINITIONS AND CALCULATION RULES
This chapter contains definitions and formulas that your Suunto G3 uses to calculate
the statistics and scores.
Course handicap (CHCP)
This is the adjusted course handicap for the current course and tee you are playing
on.
CHCP is calculated from your Handicap Index.
Formula:
CHCP = ( THE PLAYERS HANDICAP INDEX X SLOPE RATING ) /113 + ( COURSE RATING - PAR )
NOTE: On courses that have 9 holes, the par is multiplied by two.
Course Rating (C.R.)
This represents the playing difficulty of a course for scratch golfers (0-handicap)
under normal course and weather conditions. The course rating is used to adjust your
course handicap for a specific set of tees.
Fairway hit (FIR)
This determines whether your opening shot landed on the fairway. It is registered only
on holes where par is greater than 3. (On par 3's the opening shot should land on
green.)
Formula:
F
AIRWAY MARKINGS / HOLES WHERE FAIRWAY IS POSSIBLE