Misc: who wrote the hit song "it doesn't matter anymore??

Questions

in baseball, who won their first world series in 1969?

in bowling, what is it if you knock down all the pins with one ball?

in bowling, what is it if you knock down all the pins with two balls?

in boxing, what is a blow to the back of the head?

in chess, what name is given to the only move involving two pieces?