[Event "Barcelona 2005"]  [Site "?"]  [Date "2017.08.01"]  [Round "?"]  [White "Tactics #72"]  [Black "Ivanchuk - Felgaer"]  [Result "1-0"]  [SetUp "1"]  [FEN "4rbk1/p4p2/2b2P2/4P1Pp/3R4/1P6/2P5/2K1R3 w - - 0 1"]  [PlyCount "9"]   1. e6 {[pgndiagram] The most precise}   (1. g6 {Is probably also winning, though}  fxg6 2. e6 Kh7 3. e7 Bh6+ 4. Kb1 Kg8 5. Rd6 {[pgndiagram] And White wins}) 1...  Bc5 {You have to consider this defence when deciding on e6}   (1... Rxe6 2. Rxe6  fxe6 3. g6 Be8 4. g7 Bxg7 5. fxg7 Kxg7 6. c4) 2. g6 $1 {Once again the most  precise and pleasing move}   (2. Rc4 Ba3+ 3. Kb1 {Should also win though} Bd7 4.  e7) 2... fxg6   (2... fxe6 {Doesn't help} 3. f7+ Kg7 4. fxe8=Q Bxe8 5. Rc4)   (2...  Bxd4 {Allows a nice finish starting with} 3. exf7+ Kf8 4. fxe8=Q+ Bxe8 5. g7+  Kf7 6. Rxe8) 3. f7+ Kf8 4. fxe8=Q+ Bxe8 5. Rc4 {[pgndiagram] Is once again  winning} 1-0