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Luke McShane vs Ni Hua
London Chess Classic (2009), London ENG, rd 6, Dec-14
French Defense: Tarrasch Variation. Open System Euwe-Keres Line (C07)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Dec-14-09  lancenew: <66... e5! 67. fxe5 (67. Ke3 Nc2+ ) 67... Kd7 68. Ke3 Ke6 69. Bb7 (69. Kf4 Ne2+ ) 69... Kxe5> wins faster according to chessvibes
Dec-14-09
Premium Chessgames Member
  Marmot PFL: Good game by Ni Hua. If he played this well every game he would be in the top half. This is a good line for black against the Tarrasch.
Dec-14-09  MaxxLange: This was a nice win. I looked at the live game first only at 43...f5, and I thought that Black had a nice advantage, then I tuned in again much later. I missed the whole tactical phase that traded rooks.

I think this was a fine example of endgame technique - the Black King was strongly placed and, with the Knight, made a lot of threats that were hard to cope with. The Bishop was made very clearly worse.

Dec-14-09
Premium Chessgames Member
  SuperPatzer77: Black's brilliant move is 79...Kc3! (better than 79...Kxc4??, 80. Ba2+ or 79...Nxc4??, 80. Ba2! leads to giving Black any difficulties) below:

80. Kg2 Ne4! (if White refuses to exchange White Bishop for Black Knight, White Bishop will get trapped), 81. Bxe4 (forced) fxe4, 82. Kf2 Kd2 (Black e-pawn goes queening) 0-1

SuperPatzer77

Dec-14-09  Ulhumbrus: 13 axb5 breaks White's Queen side pawn formation. After 13 c5 the move Nb5-d4 may follow later.

The ending after 34...f5 is an example of a type where the Knight prevails over the bishop. It brings to mind the game Miles vs Ulf Andersson, 1983

In both games the opposing pawns which are on squares of the same colour as the bishop obstruct the bishop without becoming targets for the bishop.

Dec-14-09  MaxxLange: it is instructive how GM Nua, in the last 10 or 12 moves, is in no hurry to actually CAPTURE the weak pawn on c4.

The threat is stronger than its execution?

Dec-14-09  Ulhumbrus: <MaxxLange: it is instructive how GM Nua, in the last 10 or 12 moves, is in no hurry to actually CAPTURE the weak pawn on c4. The threat is stronger than its execution?> The execution foregoes an opportunity to carry out a greater threat, namely, to trap White's bishop, which is what Black may be playing for. After 80...Ne4 the threat is 81...Nd2 80 Ba2 Kb2 trapping White's bishop.
Dec-14-09  MaxxLange: that bishop trap is sweet! it's also quite thematic - a good knight vs. bad bishop ending was what Black steered for by pushing the kingside pawns to check and trade Rooks, and it worked like a train.

there's no worse Bishop than a completely trapped one, after all.

Dec-14-09
Premium Chessgames Member
  Jimfromprovidence: This was not the easiest position to play for either side, but after looking at the match and referring to the analysis at chessok.com, it looks like a game where the player who made the fewest mistakes won.

White's move sequence from 49 Ra1 thru 52 Ra3 was regrettable. That sequence seemed to shut the rook right out of the game. 49 Re5 kept things more or less level and 52 a5 contains the damage.

On the other hand, 63...Nf3+ instead of 63...Ka5 wins easily for black.


click for larger view

64 Ke2 Kc3 65 Bc8 Nd4+ 66 Ke3 Kxc4 follows to win the c pawn.


click for larger view

Dec-14-09  PaperBridge: I am glad to see MaxxLange's enthusiasm about the bishop trap. I find Hua's endgame play here remarkable. It is hard to understand what might be going on at 70, 71, 72 until one sees the ending. Hua's deployment of limited resources here reminds me a lot of Carlsen's endgame against him yesterday.
Dec-14-09  MaxxLange: I'm not surprised that there were plenty of errors around move 60-80
Dec-15-09  MaxxLange: Why did White run so far with his King? All the way to g2. Was that right?

Both players were running out of time

Dec-15-09  MaxxLange: I think Black could have won faster with some other lines, but he set up that bishop trap thing for style points. the knight was so much better here!
Dec-15-09  MaxxLange: <a game where the player who made the fewest mistakes won>

that's the basic deal with Chess, in every game. People are not Rybka.

Dec-15-09  ex0duz: What was the point of 56. Ba4, wheres the compensation for the pawn meant to come from?
Dec-15-09  Ladolcevita: <exoduz>
Because he had no other more valid choices then,please use you head....
Dec-16-09
Premium Chessgames Member
  SuperPatzer77: Instead of 80. Kg2, White has two possible tries below:

80. Ke3 Nxc4+!, 81. Ke2 Nd6, 82. Ba2 c4, 83. Bb1 Ne4!

80. Ke2 Ne4! (attacking the White g-pawn), 81. Bxe4 (only move) fxe4, 82. Ke3 Kxc4, 83. Kxe4 Kb3, 84. Ke5 c4, 85. Kxe6 c3, 86. f5 c2, 87. f6 c1=Q, 88. f7 (or 88. Ke7 Qg5!, 89. Ke6 Kc4, 90. f7 Qd8! ) Qc5, 90. Kf6 Qf8

SuperPatzer77

Dec-18-09
Premium Chessgames Member
  SuperPatzer77: I had to correct my analysis of 80. Ke3 below:

80. Ke3 Nxc4+!, 81. Ke2 Nd6!, 82. Ba2 c4, 83. Bb1 Kb2!, 84. Bd3 cxd3+, 85. Kxd3 Kb3!, 86. Kd4 Nc4, 87. Kc5 Kc3, 88. Kb5 Kd4, 87. Kc6 e5, 88. fxe5 Kxe5, 89. Kc5 Ne3

SuperPatzer77

Dec-18-09  MaxxLange: I think White was just playing to the gallery. His c4 pawn is gone, his bishop is doo doo, and he's lost. Instead of resigning, he helped set up a prettier loss for the fans, with the bishop trap, playing the odd move Kg2

several games were played to bare kings in this event...the spirit was not to resign too early, play it out

Dec-19-09
Premium Chessgames Member
  SuperPatzer77: <MaxxLange: I think White was just playing to the gallery. His c4 pawn is gone, his bishop is doo doo, and he's lost. Instead of resigning, he helped set up a prettier loss for the fans, with the bishop trap, playing the odd move Kg2 several games were played to bare kings in this event...the spirit was not to resign too early, play it out>

There is no way Luke McShane can endure and play it out because the White Bishop is so passive because he's unable to attack the enemy pawns. Black keeps the White Bishop inside and the menacing and strong Black Knight is ready to take control of the center and attack the two king-side pawns.

Luke McShane has to resign safely because there is no way he can defend the king-side White pawns on the dark squares.

SuperPatzer77

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