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The World vs Gert Jan Timmerman
"Dead to the World" (game of the day Aug-12-08)
Chessgames Challenge (2007)  ·  Dutch Defense: Semi-Leningrad Variation (A88)  ·  1-0
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Given 9 times; par: 119 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1312 OF 1784 ·  Later Kibitzing>
Mar-24-08  hcbsb: <MarkThornton: After 38...Kf6, if we play 39. f5, then we need a good line against <39...g5>.

click for larger view

The White king is a long way from the pawns, so we suddenly find that the g4 pawn is vulnerable.

Note that <40. h5? h6> creates a drawing fortress for Black.

For this reason, I think <39. Rf1> is better than <39. f5>>

I've checked this, 40.Kh2 or 40.Kg2

Mar-24-08
Premium Chessgames Member
  kb2ct: To try and atone for not finding out in time that Kg2, Kg3 was winning, I will put one of my personal hedge fund computers on the game after the commodities market closes.

:0)

Mar-24-08  classF: check out RV's latest Ra6 line:

<38...Ra6 39.Rc3 Kf6 40.Kf1 Ke6 41.Ke2 Rb6 42.Rb1 Kd6 43.Rcc1 c5 44.Rf1 d4 45.f5 (0.93) Depth: 33 05:35:39 9749643kN, tb=102>

Mar-24-08  Lambda: Well, a sliding playthrough of the earlier endgame I posted led to a win. 38... Kf6 39. f5 Ra6 40. Rf1 Nd3 41. Rc2 Rb6 42. g5+ Kg7 43. fxg6 hxg6 44. Rf6 Rb1+ 45. Kh2 Ne5 46. Re6 Nc4 47. Re7+ Kf8 48. Rxe4 dxe4 49. Rxc4 Rb4 50. Rxc6 Kg7 51. Kg3 Rxa4 52. Rc7+ Kf8 53. Ra7 Ra2 54. Kf4 Rh2 55. Ke5 Rf2 56. Kxe4 Rf5 57. Kd4 Ke8 58. e4 Rf4 59. Rxa5 Rxh4 60. Kd5 Kf8 61. Ra6 Rg4 62. Rxg6 1-0. Still don't trust it though.
Mar-24-08  imag: I may have found something interesting, but I have to know if this position is winnable:


click for larger view

Black to move

Can White make progress?

Mar-24-08  edoarad: <imag> its a draw (checked with fritz)
Mar-24-08  imag: <edoarad> Thanks, I think so too.
Mar-24-08  Lambda: Black plays Rc3 then Kh6, and there's no way to progress much without losing one of the pawns.
Mar-24-08  Waitaka: Sorry for this to be off topic, and sorry if you already know it. But I saw it first time today, and it is hilarious:

http://www.youtube.com/watch?v=gNAS...

Mar-24-08  hcbsb: < ajile: <hcbsb: After 38. h4 Kf6
39. f5 (!?) a probably Team surprising too, instead of 39.Rf1 that allows the drawish 39.h5!.>
I'm not convinced that 39..h5 equalizes as per my above analysis. Can you point me to the lines where Black gains equality in this?

Not saying 39.f5 is not a worthy idea to pursue but let's not rule out 39.Rf1 prematurely.>

See kb2ct posts on his Rybka laboratory with my comments. Meanwhile, Dan has posted an idea on h5 that I'll check.

Mar-24-08  hcbsb: < Lambda: Well, a sliding playthrough of the earlier endgame I posted led to a win. 38... Kf6 39. f5 Ra6 40. Rf1 Nd3 41. Rc2 Rb6 42. g5+ Kg7 43. fxg6 hxg6 44. Rf6 Rb1+ 45. Kh2 Ne5 46. Re6 Nc4 <47. Re7+> Kf8 48. Rxe4 dxe4 49. Rxc4 Rb4 50. Rxc6 Kg7 51. Kg3 Rxa4 52. Rc7+ Kf8 53. Ra7 Ra2 54. Kf4 Rh2 55. Ke5 Rf2 56. Kxe4 Rf5 57. Kd4 Ke8 58. e4 Rf4 59. Rxa5 Rxh4 60. Kd5 Kf8 61. Ra6 Rg4 62. Rxg6 1-0. Still don't trust it though. >

I didn't understand 47.Re7+ (+0.71), last option on my comp. After 47...Kf8, 48.Re6 +1.08, the text 48.Rxe4 is +0.97.

Better is 47.Rc3 Rb2+ 48.Kg3 Rb6 +1.36, needs be checked, the eval is to win in this psition.

But White must have better option in your line.

SHR option for a while is 43.Kh2 (+1.05) instead of 43.fxg6 (+0.89).

Your line is interesting and needs to be completely checked.

Mar-24-08  Lambda: I just had a look at an alternative to the rook and pawn ending; 38... Kf6 39. f5 Ra6 40. Rf1 Nd3 41. Rc2 Rb6 42. g5+ Kg7 43. fxg6 hxg6 44. Rf6 Rb1+ 45. Kh2 Ne5 46. Re6 Nc4 47. <Rxc6> Nxe3 48. Rc7+ Kf8 49. Rf2+ intending Rff7, and it's looking highly promising. In any case, white seems to have good options near the end of this line. I'm feeling pretty happy about 39. f5 at the moment.
Mar-24-08  hcbsb: <DanLanglois: <hcbsb:I think with two days out of the site <Dan> couldn't defend his Kg2 idea> ah i just spotted this, yeah, i'm not interested in defending my Kg2 idea, although i have posted on the position, actually, giving 45. R1f5 (& i have just thrown this up again--we talking about 38...Ra6 39. Rcc1 Kf6 40. Rf1 h5 41. f5, which i like for White, then 41. f5 fxg4 42. fxg6+ Kxg6 43. Rf8 Nd3 44. Rcf1 c5 <45. R1f5> & etc.)>

So, after 38...Ra6 39. Rcc1 Kf6 40. Rf1, Black maybe can't play 40...h5. 41.f5! opens completely the lines for our Rooks.

After text 43.Rf8 Rh7! (+0.43) instead of 43...Nd3? +2.xx.

Better is 43.Kh2! +1.22, needs work to confirm the win.

If it works, I don't know how Black can save the point.

Mar-24-08
Premium Chessgames Member
  ajile: 38..Ra6 seems to be Black's best response since it allows his Knight to move to d3. 38..Kf6 doesn't look that good for Black after 39.Rf1 or 39.f5.

The Ra6 is rather cut off from the k-side though. If we can keep him from playing c5 maybe we can take advantage of this slightly awkward placement of the Ra6.

Mar-24-08
Premium Chessgames Member
  ajile: Analysis of 39.Rc3:

38.h4 Ra6 39.Rc3


click for larger view

Analysis by Rybka 2.3.2a mp 32-bit : 25 ply

1. (0.80): 39.Rc3 Na2 40.Rb3 Nb4 41.Rc1 Kf6 42.Kf1 Ke6 43.Ke2 Ra8 44.Rbb1 Rc8 45.Rc5 Ra8


click for larger view

Analysis by Rybka 2.3.2a mp 32-bit : 24 ply

1. (0.70): 46.Rf1 Kd6 47.Rcc1 Rh8 48.Kd2 Nd3 49.Rb1 Nc5 50.Rh1 Rf8 51.g5 h6 52.gxh6 Rh8


click for larger view

Mar-24-08  MindCtrol9: <You must not keep advancing the pawns on the King side.The King side is perfectly OK right now.To win this game,I have to options to fallow:One is to get the white King up to the square <c3>via <f1-e2,etc>The white Rooks play an important roll here,know the square,the right square.The other way to win this game is on the King side,but I need to have the white King on the square <g4>How can I get this? Simple,with <g5>When the white King gets to that square,White gets a passed pawn very easy,and creates too much pressure to handle>With the actual position,white can play <Kf1> or <Rc1> but why not to think in something different like playing <Rd2>
Mar-24-08
Premium Chessgames Member
  Tabanus: <get Reti: <Tabanus> How does white win after 45...Kf5?>

38.h4 Ra6 39.Rcc1 Kf6 40.Kg2 Na2 41.Rc5 Nb4 42.Kg3 Nd3 43.Rc2 Rb6 44.h5 c5 45.g5+ Kf5

46.hxg6 hxg6 47.Rxc5! Nxc5 48.Rxd5+ Ke6 49.Rxc5

Mar-24-08  catking: Interesting position. Looks like we might win!
Mar-24-08
Premium Chessgames Member
  ajile: IMO Black is teetering on the edge of defeat. One more slight inaccuracy by GMT and he's toast. He's hanging even now by a thread.
Mar-24-08  DanLanglois: <Tabanus: <get Reti: <Tabanus> How does white win after 45...Kf5?> 38.h4 Ra6 39.Rcc1 Kf6 40.Kg2 Na2 41.Rc5 Nb4 42.Kg3 Nd3 43.Rc2 Rb6 44.h5 c5 45.g5+ Kf5

46.hxg6 hxg6 47.Rxc5! Nxc5 48.Rxd5+ Ke6 49.Rxc5

>

how does White win after 40...Ke7

Mar-24-08  DanLanglois: Tabanus, maybe 40...Ke7 41. h5
Mar-24-08  truefriends: What is the current analysis mainline?
Mar-24-08  DanLanglois: <ajile: IMO Black is teetering on the edge of defeat. One more slight inaccuracy by GMT and he's toast. He's hanging even now by a thread.>

IMO i'm not thinking that one more slight inaccuracy would make any difference. he's toast even now.

Mar-24-08  DanLanglois: <truefriends: What is the current analysis mainline?>

That would depend upon where Black's best drawing chances are, of course, and that does seem to mean 38...Ra6. But, after

38. Ra6 39. Rcc1 Kf6

40. Kg2 & 40. Rf1 both promising (& being checked)

Mar-24-08  crwynn: After 38...Ra6 39.Rcc1 Kf6 40.Rf1 h5 41.f5 hg 42.fg Kg6 43.Rf8 Nd3 44.Rcf1 c5 everyone is talking about 45.R1f5, I've repeatedly suggested 45.Rd8 and no-one has given an answer to this variation.

For instance 45...Nb4 46.Rf4 c4 47.Rg4 Kh7 48.Rd7 Kh6 49.Rgg7 Rf6 50.Rh7 Kg6 51.Rdg7 Kf5 52.Rg5 Ke6 53.h5 and I don't see a way to save Black here.

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