Related Clues:
- Deeply involved with capturing rook in opening
- Prime ranking
- Speech starter
- Preface, briefly
- 1-Across, taking into account its 61-Across
- "In this corner ..." begins one
- Type of opening
- Rated highly
- Emcee's speech
- Impressive rating
- Short track to start an album, perhaps
- Prologue, for short
- Top-caliber
- Keynote preceder
- Ground floor apartment