Based on the clue 'a russian nobelist he shuffled off this mortal gul...', what is the answer?

What is associated with: a russian chess grandmaster this man lost to a computer in 1997? 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 play based on a folk tale inspired the s...', what is the answer? What is associated with: a russian royal family july 16 1918? Based on the clue 'a rusty nail combines this potent potable drambui...', what is the answer? Based on the clue 'a ruth etting hit from the 20s its second line is ...', what is the answer?