What Is a Pit Stop in F1?
A pit stop in F1 is when a driver enters the pit lane so the crew can change tires in seconds. Here are the tire-compound rule and pit-lane speed limit.
Tag
#Rules
What Is an Ace in Tennis?
An ace in tennis is a legal serve the receiver never touches, winning the point outright. Here is exactly what counts as an ace and what does not.
F1 Points System Explained (2026)
The F1 points system in 2026 awards 25-18-15-12-10-8-6-4-2-1 to the top ten, and the fastest-lap bonus point no longer exists. Here is how scoring works.
Tennis Scoring Explained (Love, 15, 30, 40, Deuce)
Tennis scoring goes love, 15, 30, 40, game, with deuce and advantage at 40-40. Here is how points, games, sets, matches, and tiebreaks fit together.
What Is the Powerplay in Cricket?
The powerplay in cricket is a block of overs that limits how many fielders can sit outside the 30-yard circle. Here is how it works in ODI and T20 cricket.
Yellow Card vs Red Card in Soccer: What's the Difference?
A yellow card is a caution; a red card ejects a player who cannot be replaced. Here is what each card means in soccer and how they differ.
What Is DRS in F1? (Drag Reduction System)
DRS (Drag Reduction System) opened an F1 car's rear wing to cut drag and help overtaking within one second of the car ahead. Here is how it worked.
What Is a Double Dribble in Basketball?
A double dribble is a ball-handling violation that gives the ball to the other team. Here is exactly when it is called, and the two ways it happens.
Cricket Fielding Positions Explained
Cricket fielding positions are named by angle and distance from the batter: slip, gully, point, cover, mid-on, fine leg and more. Here is the full map.
What Is a Penalty Kick in Soccer?
A penalty kick in soccer is a direct free shot from 12 yards (11 m) with only the goalkeeper to beat. Here is exactly how Law 14 works.
How Does MMA Scoring Work? (The 10-Point Must System)
MMA is judged round by round with the 10-point must system: the round winner gets 10, the loser 9, and 10-8 marks a dominant round. Here is how it works.
MMA Weight Classes Explained
MMA weight classes group fighters by upper weight limit, from strawweight to heavyweight. Here is a table of the standard divisions in pounds and kg.