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Wang Yue vs Matthias Bluebaum
Dortmund (2017), Dortmund GER, rd 5, Jul-21
Queen's Gambit Declined: Ragozin Defense (D38)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jul-21-17  fisayo123: Bluebaum got the Panda treatment in this game.
Jul-21-17  Steve.Patzer: fisayo123, please explain.
Jul-21-17
Premium Chessgames Member
  cormier: 4.28 59... Kd7 60. Rf7+ Ke6 61. Rf6+ Kd7 62. f5 Nd8 63. Be5 Ke8 64. Rg6 Kf8 65. Bf6 Nb7 66. Bd4 Nd8 67. Be5 Ke8 68. Kd4 Nb7 69. Rg8+ Kd7 70. Rg7+ Kc6 71. Rg6+ Kd7 72. Bc7 Rc5 73. Re6 Ra5 74. Rg6 Rb5 75. Rh6

4.28 59... Nd8 60. Rg5 Kd7 61. Rg7+ Ke6 62. Rg6+ Kd7 63. Be5 Ne6 64. f5 Nc5 65. Rd6+ Ke8 66. Kc2 Nb7 67. Rc6 Nd8 68. Rg6 Rb4 69. Kc3 Rc4+ 70. Kb3 Nb7 71. Bd4 Kf8 72. Rg5 Na5+ 73. Ka3 Nc6 74. b7 Ke7 75. Rg7+ Kd6 76. f6 Ke6

4.43 59... Kd8 60. Rf6 Kd7 61. f5 Rb1 62. Rh6 Rb5 63. Rh7+ Kd6 64. b7 Na5 65. Bb6 d4+ 66. exd4 Nxb7 67. Rxb7 Rxf5 68. Kc4 Kc6 69. Rb8 Rf4 70. Bc5 Rh4 71. Rb6+ Kd7 72. Kb5 Rh5 73. Rb7+ Kd8 74. Kc6 Rh6+ 75. Bd6 Ke8 76. Rg7 Re6 77. d5 Re1 78. Bc5

5.21 59... Na5 60. e4

Stockfish 8 depth 25,

Jul-21-17  Roark: couldn't Black have played the opening a lot more actively? 12...b5 or 13...d4 15...d4
Jul-21-17
Premium Chessgames Member
  bubuli55: Blue baYue.
Jul-21-17
Premium Chessgames Member
  bubuli55: Blue By Yue !
Jul-22-17
Premium Chessgames Member
  HeMateMe: what if 49...h4? This keeps black's chances of getting a passed pawn alive. He went down without a fight trying to defend a static endgame.
Jul-22-17  beatgiant: HeMateMe
I think move 49 was too late to save it. For example, 49...h4 50. fxg5 hxg3 51. <Rh3>, answering ...Rg4 with 52. Rxg3 Rxg3 53. Be5+ forking and winning back the rook.
Jul-29-17
Premium Chessgames Member
  bubuli55: < HeMateMe: what if 49...h4? This keeps black's chances of getting a passed pawn alive. He went down without a fight trying to defend a static endgame. >

Black got his passer after 49...gf4 50.gf4

Jul-29-17
Premium Chessgames Member
  bubuli55: <
Jul-22-17
premium
member beatgiant: HeMateMe
I think move 49 was too late to save it. For example, 49...h4 50. fxg5 hxg3 51. <Rh3>, answering ...Rg4 with 52. Rxg3 Rxg3 53. Be5+ forking and winning back the rook. >

49...h4 50.fg5? hg3 51.Rh3 g2 52.Rg3 Rg4

If 53.Rxg4 fg4 54.e4 Ne6 55.Be3 Nxg5

Jul-29-17
Premium Chessgames Member
  bubuli55: After 49...h4, the correct move is 50.gh4

Hope that helps.

Jul-30-17  beatgiant: <bulbuli55>
You are right, 49...h4 50. fxg5? loses. If so, <HeMateMe> is right that 49...h4 is a more stubborn defense.

It might go 49...h4 50. gxh4 gxf4 51. Ba7+ Ka8 52. exf4 Rxf4 53. h5 Ne6 54. h6 Ng5 55. Rg7 Rh4 56. Be3 f4 57. Bxf4 Rxf4 58. Rxg5 Rh4 59. Rg6.


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From here, White should be able to move his king over to the kingside, drive Black's rook off the 4th rank, bring his king to the support of the h-pawn, and eventually win. But it's a long line and plenty more scope for me to miss something else in the analysis.

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