By adding the points of the remaining tiles, which was subtracted from the rest of the players' individual scores, to the score of the player who had used all of his/her tiles. The player with the highest score wins.
A 'J' in Scrabble is worth eight points, unless it is located on a Double Letter or Triple Letter square, whereas it would be worth sixteen and twenty-four points, respectively.
Each letter in Scrabble is given a point value based on how frequently these letters are used in common-day words in conversation, news, etc. The letter E is used very often (after all, look at how...