Question: What player has a rating greater than 2746, with a prev less than 4, and +4 as the chng?
SQL: SELECT "Player" FROM "2-15330472-2" WHERE "Rating" > 2746.0 AND "Prev" < 4.0 AND "Chng" = '+4';

Question: What chng has a rank greater than 6, with 12 as a prev?
SQL: SELECT "Chng" FROM "2-15330472-2" WHERE "Rank" > 6.0 AND "Prev" = 12.0;

Question: What is the highest prev that has 9 as the rank, with a rating less than 2746?
SQL: SELECT MAX("Prev") FROM "2-15330472-2" WHERE "Rank" = 9.0 AND "Rating" < 2746.0;