[Event "?"]  [Site "?"]  [Date "????.??.??"]  [Round "?"]  [White "Alexey Troitsky study 1924"]  [Black " WHITE TO PLAY AND WIN ! "]  [Result "*"]  [SetUp "1"]  [FEN "8/3b4/k2p3P/1p1K3P/1P4r1/8/3R4/8 w - - 0 1"]  [PlyCount "13"]   1. h7 {[pgndiagram]} Rg5+ 2. Kxd6 Rxh5 3. Kc7 $3 {[pgndiagram]} Be6   (3... Rxh7  4. Ra2#) 4. Kb8 Bd5 5. Rxd5 Rxd5 6. h8=R $1   (6. h8=Q Rd8+ 7. Qxd8 {[pgndiagram]  stalemate}) 6... Rd6 7. Kc7 $1 {[pgndiagram]} *