[Event "Chess Riddles: Play for advantage (Q&A)"] [Date "2025.11.30"] [Result "*"] [Variant "Standard"] [ECO "?"] [Opening "?"] [StudyName "Chess Riddles"] [ChapterName "Play for advantage (Q&A)"] [ChapterURL "https://lichess.org/study/7QTOaGiW/TbWrYVN9"] [Annotator "https://lichess.org/@/adapodadeiii"] [FEN "8/8/1k1P4/8/8/8/1r6/R3K3 w Q - 0 1"] [SetUp "1"] [UTCDate "2025.11.30"] [UTCTime "05:33:05"] [Orientation "white"] 1. d7!! (1. O-O-O? Ra2! { [%csl Gb6,Gd8][%cal Ga2a1,Ga1d1] } 2. Kb1 Ra8! 3. d7 Kc7 $10) 1... Kc7 2. d8=Q+!! (2. O-O-O? Rb8 $10 { [%csl Yd8][%cal Bb8d8] }) 2... Kxd8 3. O-O-O+!! { [%cal Rc1b2,Rd1d8] } 3... Ke7 4. Kxb2 $18 *