[Event "?"] [Site "lichess.org"] [Date "????.??.??"] [Round "?"] [White "Not enough checking distance"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "R7/4K1k1/4P3/8/8/8/1r6/8 b - - 0 1"] [PlyCount "10"] [EventDate "2021.??.??"] [SourceVersionDate "2021.06.11"] {[#]} 1... Rb7+ {the Black rook has insufficient room to use the checking defence} 2. Kd6 Rb6+ 3. Kd7 Rb7+ 4. Kc6 {here is the big difference - no more checks} Rb1 (4... Re7 5. Kd6 Rb7 6. e7 Rb6+ 7. Kc5 Re6 8. e8=Q) 5. e7 Re1 (5... Rc1+ 6. Kb5 Rb1+ 7. Kc4 {etc}) 6. e8=Q $18 *