Par and the language built around it
Every hole carries a par: the number of shots a professional would be expected to need, assuming two putts on the green. Short holes are par three, most are par four, and the longest are par five. A round is usually par seventy or seventy-two, and a leaderboard reports each player's total relative to that figure rather than as a raw count.
The names attached to results are simply distances from par. One under is a birdie, two under an eagle, one over a bogey and two over a double bogey. Because par is a shorthand for expectation, the whole vocabulary is comparative — which is why golf coverage talks about a player being three under rather than sixty-nine.
It is worth understanding that par is a convention rather than a truth. It is assigned mainly on length, so a short par four with a narrow fairway and a severe green can be much harder than a long par five reachable in two. Field averages routinely show holes playing well above or below their stated par, and that gap is where course setup lives.
Four rounds, one running total
A standard professional tournament is seventy-two holes across four days. The scores accumulate, so the leaderboard is a running total against par and the final standing is nothing more than the sum of four rounds. There is no reset, no bonus for a low round and no separate final that erases what came before.
This produces a particular kind of drama. A player can win without leading until the final hour, and a five-shot lead can disappear over a stretch of three holes without anyone doing anything unusual. It also means variance is compressed: over four rounds, the best players surface far more often than they would in a single-day event.
Ties at the top are broken by a playoff, whose format differs by tournament — a single hole, an aggregate of several, or a repeated hole until someone wins outright. The format is set in advance and is part of what makes each championship feel distinct.
The cut and what it does to strategy
After two rounds, most tournaments cut the field to roughly the top half, and those who miss it go home without a weekend score or prize money. Practically, a tournament is therefore two competitions: survive Friday, then win on the weekend.
That structure changes decisions. A player near the cut line on the second afternoon is not playing the same game as the leader — the leader can afford a conservative line, while the player on the margin has to take on risk that only makes sense because the alternative is elimination. Watching a Friday leaderboard with the projected cut line in mind explains almost every aggressive play you see.
The cut also has a career dimension. Cuts made and finishes earned feed ranking points and playing privileges, so a Friday afternoon in a tournament nobody will remember can decide whether a player keeps a place on tour the following year. It is the least glamorous part of professional golf and one of the most consequential.