Related Clues:

• 3, 4 and 5, but rarely 6
• Darn them!
• Swiss cheese features
• Discrepancies
• Course numbers
• They're between birdies and bogeys
• Debtors' places
• Great achievements for hackers
• Course guides?
• Things to shoot for
• Round numbers?
• Cavities
• The 18 in a round of 18
• Golf standards
• They beat bogies