[Event "Vienna"] [Site "Vienna"] [Date "1922.??.??"] [Round "?"] [White "Alekhine, Alexander"] [Black "Tartakower, Saviely"] [Result "1-0"] [ECO "C13"] [Annotator "peter"] [SetUp "1"] [FEN "2k5/2b5/pp6/4p3/1P4P1/1KP2p2/1P1R4/8 w - - 0 36"] [PlyCount "21"] [EventDate "1922.??.??"] [EventType "tourn"] [EventRounds "14"] [EventCountry "AUT"] [SourceTitle "HCL"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[#]} 36. Rd5 $3 {The only move to win. There are two points to this move. Firstly, if the f-pawn advances immediately then the pawns get stuck on black squares. Secondly, if the e-pawn advances immediately then the rook moves to an ideal position behind the f-pawn where is not only constrains the black pawns but also cuts the black king off from the g-pawn.} (36. Rf2 e4 37. Kc2 ( 37. g5 Kd7 $11) 37... Bg3 38. Rf1 (38. g5 $11) 38... e3 39. Rxf3 e2 40. Re3 e1=Q 41. Rxe1 Bxe1 42. g5 Bh4 43. g6 Bf6 44. Kd3 Kd7 45. Ke4 Ke6 46. Kd3 Kf5 47. Ke3 $11 Kxg6 48. Ke4 Kf7 49. Kd5 $11) (36. Rh2 e4 37. Rh8+ Kd7 38. Rf8 Bg3 $11) (36. Kc2 {Perhaps the most obvious try} e4 37. Rd4 (37. Rf2 {transposes to 36.Rf2}) (37. Kd1 e3 38. Rd4 e2+ 39. Kd2 Bg3 40. Re4 $11) (37. Rd5 {it is too late for this now and it loses here} e3 38. Rf5 e2 39. Kd2 Bg3 $19) 37... e3 38. Kd3 e2 39. Kd2 Bg3 $11) (36. Kc4 $2 e4 37. Kd4 (37. Rf2 Bf4 38. Kd4 (38. Rf1 e3 39. Kd3 e2 40. Re1 f2) 38... e3 39. Rxf3 e2 $19) 37... Bf4 $19) (36. g5 e4 37. g6 Be5 38. Rf2 Kd7 39. Rf1 {otherwise the g-pawn will be lost} (39. Kc2 Ke6 40. Rf1) 39... Ke6 40. Kc2 Kf5 41. Rg1 Bg7 $11 42. Kd2 Kf4 43. Ke1 e3 44. Rh1 Kg3 45. Rg1+ Kf4 46. Rh1 Kg3 $11) 36... e4 (36... f2 37. Rd1 e4 38. Kc2 Bf4 39. Rf1 $18 {the White king will reach e2.}) 37. Rf5 Bg3 38. g5 Kd7 39. g6 Ke6 40. g7 Kxf5 41. g8=Q Bf4 42. Qf7+ Kg4 43. Qg6+ Bg5 44. Qxe4+ Kg3 45. Qg6 Kg4 46. Qxb6 1-0