[Event "?"] [Site "lichess.org"] [Date "2021.07.28"] [Round "?"] [White "Enough checking distance"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "1R6/4K1k1/4P3/8/8/8/r7/8 b - - 0 0"] [PlyCount "7"] [EventDate "2021.??.??"] [SourceVersionDate "2021.06.11"] {[#]} 1... Ra7+ 2. Kd6 Ra6+ 3. Kd7 Ra7+ 4. Kc6 (4. Ke8 Kf6 5. Rb6 Re7+ $11) (4. Kd8 Kf6 5. Rb6 Re7 $11) (4. Kd6 Ra6+ 5. Ke5 Ra5+ 6. Kd4 Kf6 7. Re8 Ra4+ (7... Re5 $2 {a little care is needed} 8. Rf8+ Ke7 (8... Kxe6 9. Re8+) 9. Kxe5 Kxf8 10. Kd6 Ke8 11. e7 Kf7 12. Kd7 $18) 8. Kd5 Ra5+ 9. Kc6 Ra6+ 10. Kd7 Ra7+ {etc}) 4... Ra6+ $11 {etc} *