[Event "Rook Endgame Positions: Philidor"]
[Site "https://lichess.org/study/e8FfaSUC/R7xWT0Oi"]
[Result "*"]
[Variant "Standard"]
[ECO "?"]
[Opening "?"]
[Annotator "https://lichess.org/@/TheStudier"]
[StudyName "Rook Endgame Positions"]
[ChapterName "Philidor"]
[FEN "7R/4k1r1/8/3KP3/8/8/8/8 b - - 0 1"]
[SetUp "1"]
[UTCDate "2016.07.20"]
[UTCTime "16:43:37"]
[Source "https://lichess.org/study/e8FfaSUC/R7xWT0Oi"]
[Orientation "black"]
{ It is important that black controls the 6th rank in order to prevent the white king from advancing } { [%cal Ga6h6] }
1... Rg6! 2. Rh7+ Ke8 { Only option is to push the pawn } { [%csl Ge6,Gd6,Gc6][%cal Gg6a6] } 3. e6 (3. Rc7 Ra6 4. Rc6 Rxc6 5. Kxc6 Ke7 6. Kd5 { White king is not in front of the pawn. Drawn position. } { [%csl Gd5,Ge5,Ge7] } 6... Kd7 7. e6+ Ke7 8. Ke5 Ke8 9. Kd6 Kd8 10. e7+ Ke8 11. Ke6) 3... Rg1! { In comes continuous checks and then the rook can pick up the pawn as soon as the white king goes away to far } { Correction: perpertual check, not continuous check. And - too far - not to far } 4. Kd6 Rd1+ 5. Ke5 Re1+ 6. Kd5 Ra1 7. Rh4 Rd1+ 8. Ke5 Re1+ 9. Re4 Rxe4+ 10. Kxe4 { Position is drawn since the white king cannot get in front of the pawn...Will end in stalemate } { [%csl Ge8,Ge6,Ge4] } 10... Ke7 11. Kf5 Ke8 12. Kf6 Kf8 13. e7+ Ke8 14. Ke6 *