[Event "64th ch-RUS HL"] [Site "Taganrog RUS"] [Date "2011.06.19"] [Round "5"] [White "01.05 Musalov, R.."] [Black "Shukh, N.."] [Result "1-0"] [WhiteElo "2399"] [WhiteFideId "-1"] [WhiteFideId "-1"] [BlackElo "2438"] [Annotator "Müller,Karsten+nicksaliba"] [FEN "8/8/8/1p1K4/p7/1k5R/8/8 b - - 0 56"] [GameId "2218396533739421"] [Variant "Standard"] [ECO "?"] [Opening "?"] [StudyName "Endgame Rook - vs pawns"] [ChapterName "01.05 Musalov, R.. - Shukh, N.."] [ChapterURL "https://lichess.org/study/jQTLFsWu/E6P4C9i9"] [FEN "8/8/8/1p1K4/p7/1k5R/8/8 b - - 0 56"] [SetUp "1"] [Orientation "white"] 56... Kb2? { #42/30 } (56... Kb4 { 0.00/32 } 57. Rh4+ (57. Rh1 { Threatens to win with Kd5-d4. } 57... a3 58. Kd4 Kb3 59. Rb1+ Kc2!) (57. Kc6!?) 57... Kb3 58. Kc5 { Rh4-h3+ is the strong threat. } (58. Kc6!? a3 59. Rh8) 58... a3! 59. Rh3+ (59. Kxb5!? a2 60. Rh3+ Kc2 61. Rh2+ Kb1 62. Rh8) 59... Ka4!) 57. Kc5! a3 58. Kb4! (58. Kxb5 a2 59. Rh2+ Kb3 $10) 58... a2 59. Rh2+ (59. Kxb5 a1=Q (59... a1=B 60. Rh1) 60. Rh2+ Kc3 61. Rh3+ Kd4 62. Rh4+ Ke3 63. Rh3+ Ke2 $19) 59... Kb1 60. Rh1+ Kb2 61. Rh2+ Kb1 62. Kb3! a1=N+ { KR-KN } 63. Kc3! b4+ 64. Kxb4 Nc2+ 65. Kc3 Ne3 66. Kd3 { 106.00/24 } (66. Rh4 { #29/28 } 66... Nd1+?! (66... Ka2 67. Ra4+ Kb1 68. Re4 Nf5 69. Re5 Nd6 70. Kb3 Kc1 71. Rc5+ Kd2 72. Rd5+ Ke3 73. Rxd6) 67. Kd2 Nb2 68. Rb4 (68. Rf4?! { 5.08/28 68.Rh4-b4 #10 mates in 28 moves. }) 68... Ka2 69. Kc2 Ka1 70. Rb8 $18) 66... Nd5 $18 67. Rh4 $18 { 107.20/42 } (67. Rf2? { 0.03/27 } 67... Nb4+! 68. Kc4 Na2 69. Kb3 { Rf2-f1+ would kill now. } 69... Nc1+ 70. Ka3 Nd3 71. Rd2 Nc1 72. Rb2+ (72. Kb4!?) 72... Ka1 73. Rb8 (73. Rb6!?) 73... Na2? { #11/33 [#] Black cannot hold the game after this. } (73... Ne2 { 0.03/35 } 74. Re8 { Threatening mate with Rb8-d8. } (74. Rb3!?) 74... Nc1 75. Rd8 (75. Rc8!? Kb1 76. Rc7) 75... Kb1 76. Rd2 Ka1 77. Rb2 (77. Rc2!? Kb1 78. Rd2) 77... Nd3 78. Rd2 (78. Rc2!? Kb1 79. Kb3 Nc1+ 80. Kc3 Na2+ 81. Kd2) 78... Nc1) 74. Kb3! { White mates. } 74... Kb1 75. Rb7 $22 Nc1+ 76. Kc3+! Ka1 77. Kc2 Na2 78. Rb1# { Weighted Error Value: White=0.35/Black=0.37 }) (67. Kc4 Ne3+ 68. Kd4 Nd1 69. Kd3 Nb2+ 70. Kd2 Ka2 71. Kc3) 67... Kb2 68. Rd4 Ne7 69. Kc4 { Rd4-f4 would now be deadly. } 69... Kc2 70. Rf4 { Intending Rf4-f7 and mate. } { [%csl Gd2][%cal Gc2d2,Gf4f6] } 70... Ng6 (70... Kd2 { Now we can continue by trapping the knight } 71. Rf6 Nc8 72. Re6 Na7 73. Kc5 { [%cal Gc5b6,Gb6a7] } 73... Nc8 74. Re8 Na7 75. Kb6 Nc8+ 76. Rxc8 $18) 71. Re4 { White wants to mate with Kc4-c5. } 71... Kd2 72. Kd4 Nf8 73. Re8 Nh7 74. Rg8 Nf6 75. Rg7 Ke2 76. Ke5 Nh5 { [#] } 77. Rg5! $18 1-0