What is associated with: a russian chess grandmaster this man lost to a computer in 1997?

Based on the clue 'a rural district or a nation', what is the answer? Based on the clue 'a rural group with collective ownership your skee...', what is the answer? Based on the clue 'a rural legend says he wrote a nasty ballad about ...', what is the answer? Based on the clue 'a russian blue is this type of animal', what is the answer? What is associated with: a russian goldsmith first made this prized enameled jeweled mcdonalds breakfast sandwich in 19… Based on the clue 'a russian grandmother or her kerchief', what is the answer? What is associated with: a russian immigrant mouse named fievel mousekewitz is the hero of this 1986 animated film? Based on the clue 'a russian nobelist he shuffled off this mortal gul...', what is the answer?