Tackle (football move) boots. Referees are encouraged to at the very least caution (yellow card) players who commit such challenges. Additionally, an illegal tackle which is also a professional foul is considered misconduct. The most spectacular form of tackle in association football is the slide tackle, wherein a tackler slides, leg extended, along the ground, aiming to hit the ball away. This form of tackle carries a high risk of committing a foul. "Diving" is association football involves tackled players exaggerating the physicality of tackles, so as to gain favourable decisions from the referee. In Australian rules football, the move commonly described as
First-move advantage in chess a kind of obligation to play for a win, and Black can often use this to his advantage." Second, "White's 'extra move' can be a burden, and sometimes White finds himself in a mild form of "zugzwang" ('Zugzwang Lite')." Third, although White begins the game with the initiative, if "Black retains a flexible position with good reactive possibilities, this initiative can be absorbed and often passes over to Black." Fourth, "The fact that White moves before Black often gives Black useful information". Suba likewise argues that White's advantage is actually less than a move, since White must tip his hand