The Racing Rules of Sailing (RRS) govern the sport on the water. They are revised and published every four years by the International Sailing Federation. The current edition is The Racing Rules of Sailing 2013-2016.The Racing Rules of Sailing
There are a lot of rules in Racing But the Basic Rules below are a must to get started.
(1) Port must keep clear of Starboard [rule10]. (2) Windward must keep clear of Leeward [rule11]. (3) AStern must keep clear of AHead [rule12]. (4) A boat "past head to wind" (i.e., "tacking") must keep clear of other boats [rule13].