Historical clue formulations

• ___ rating (chess stat) — 2026-09-27
• "Mr. Blue Sky" band, for short — 2026-09-06
• Eponym of a chess rating system — 2026-08-18
• ___ rating (chess stat) — 2025-12-06
• "Mr. Blue Sky" band, in brief — 2025-06-18
• Grp. with a hit remake of Chuck Berry's "Roll Over Beethoven" — 2025-05-22
• Rating system used in chess — 2025-04-29
• Chess rating system — 2024-12-03
• Band initials missing from their hit song "_vi_ W_man" — 2024-11-06
• "Xanadu" band, for short — 2024-09-16
• Magnus Carlsen achieved one of 2882 — 2024-06-28
• Kind of rating system in chess — 2024-03-24
• Arpad ___, creator of an eponymous chess rating system — 2024-03-01
• "Telephone Line" band, in brief — 2024-02-10
• "Xanadu" band, for short — 2024-01-16
• "Evil Woman" rock group, for short — 2023-08-09
• "Xanadu" rock grp. — 2023-08-01
• Chess ranking system named for a Hungarian physicist — 2023-07-01
• Scrabble rating system — 2023-05-07
• "Telephone Line" band, to fans — 2023-03-14
• "Mr. Blue Sky" band, to fans — 2022-10-05
• "Don't Bring Me Down" band, in brief — 2022-09-14
• "Turn to Stone" band of 1977, for short — 2022-06-30
• Grp. with the 1975 hit "Evil Woman" — 2022-05-31
• Chess rating system — 2022-03-30
• "Xanadu" grp. — 2021-08-30
• "Do Ya" band, informally — 2021-07-23
• "Strange Magic" band, for short — 2021-06-27
• Grp. with the hits "Evil Woman" and "Do Ya" — 2021-05-12
• "Livin' Thing" rock band, for short — 2021-02-24
• "Evil Woman" group, for short — 2020-10-25
• 1970s-'80s band with the hit "Don't Bring Me Down," in brief — 2020-06-08
• Inits. in 1970s-'80s rock — 2020-03-21
• Classic symphonic rock group, for short — 2020-03-09
• "Mr. Blue Sky" band, for short — 2020-01-21
• "Don't Bring Me Down" grp., 1979 — 2019-10-15
• Chess rating system — 2019-06-25
• Arpad ___, eponymous creator of an international ratings system — 2019-05-10
• "Xanadu" band, briefly — 2019-03-31
• "Strange Magic" band, in brief — 2018-09-24
• "Do Ya" grp. — 2018-08-10
• Rock grp. with the 1977 song "Rockaria!" — 2018-07-30
• ___ rating system (chess standard) — 2018-07-21
• "Telephone Line" band, informally — 2018-06-29
• "Rockaria!" band, for short — 2017-12-29
• Big '70s-'80s band inducted into the Rock and Roll Hall of Fame in 2017 — 2017-12-08
• Grp. with the 1976 platinum album "A New World Record" — 2017-08-04
• "Strange Magic" band, for short — 2017-08-01
• "Do Ya" rock grp. — 2017-06-06
• "Xanadu" band, for short — 2017-06-05