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Very Hot Topic (More than 25 Replies) Endgamestudies (Read 99972 times)
Lovuschka
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I love pawn studies!

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Re: Endgamestudies
Reply #228 - 01/23/10 at 15:01:18
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Ok, let me revive this interesting but long thread with two of my own studies.

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Siegfried Hornecker
NONA JT 2006, special honorable mention
Version (original publication)
White to move and draw


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Siegfried Hornecker
Rochade Europa 03/2007, 4th honorable mention (special tourney for German composers)
White to move and draw


Have fun!
  
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Craig Mnure
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Re: Endgamestudies
Reply #227 - 12/23/09 at 14:59:08
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Thanks SF and Michael. The shredder website is certainly useful for checking out endgame positions and avoiding basic errors like mine!
  
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Michael Kornrade
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Re: Endgamestudies
Reply #226 - 12/20/09 at 09:05:02
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Such endgames can always be checked with 6-men database, e.g. Shredder
  
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2 plus 2 is 5 for large values of 2...
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Smyslov_Fan
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Re: Endgamestudies
Reply #225 - 12/20/09 at 08:28:28
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1.Qd5 Ke3 2.Qa2 Kd3 3.Qb2 Kd2 4.Ke4 Kd1 5.Kd3 and White wins.

I don't see a variation that draws.
  
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Craig Mnure
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Re: Endgamestudies
Reply #224 - 12/19/09 at 21:43:11
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Günter Amann wrote on 04/20/09 at 18:05:18:
Günter Amann wrote on 04/17/09 at 19:35:58:
White to play and win. 

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1. Qd5!  Ke3 (1...Kc3 2.Qd4; 1... Ke2 2.Qa2!)
2. Qg2!  c1D
3. Qg5


Hope no one minds me going back to this study discussed in April. As Smyslov Fan pointed out this appears in Batsford Chess Endings as KP16a, apparently part of a Grigoriev 1932 study. I found it in BCE the other day and have been racking my brains over the solution given as it seems to be bust. Surely 1. Qd5 Ke2 2. Qa2 Kd3 is a clear draw?

I look forward to better chess brains than mine pointing out my error!
  
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Michael Kornrade
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Re: Endgamestudies
Reply #223 - 12/18/09 at 08:22:05
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Quote:
This study is out, and now corrected with a Black pawn at a6 instead of a7. It is shown to be a win, while lots of computer-aided analysis could not find a win in the original setup with pawn a7. The author is a young Romanian called Mihai Neghina. If it's ok with chesspub's quotation policy, you can see a link (in German) at http://glareanverlag.wordpress.com/2009/10/01/studie_glarean_martan_neghina/.


Here is the second study, published in the same magazine. White to move and win. I hope you like it as well  Smiley

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gewgaw
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Re: Endgamestudies
Reply #222 - 12/16/09 at 18:25:30
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What happened?
I hope Mr. Amann you are okay?!
  
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Girkassa
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Re: Endgamestudies
Reply #221 - 10/03/09 at 06:36:49
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OK, with the pawn on a6 it's pretty clear. With the pawn on a7, I'm still not sure if it's a draw if Black marches his king to a6, makes White play b4, and then plays c6. However, looking at it again, 4...c5! seems to be a simpler (and possibly the only) way to draw.
  
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Re: Endgamestudies
Reply #220 - 10/02/09 at 12:41:55
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This study is out, and now corrected with a Black pawn at a6 instead of a7. It is shown to be a win, while lots of computer-aided analysis could not find a win in the original setup with pawn a7. The author is a young Romanian called Mihai Neghina. If it's ok with chesspub's quotation policy, you can see a link (in German) at http://glareanverlag.wordpress.com/2009/10/01/studie_glarean_martan_neghina/.
  
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Dink Heckler
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Re: Endgamestudies
Reply #219 - 10/01/09 at 07:17:30
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This feels more like a game fragment than a study; just look at the Q-side pawns. There are so many possibilities to try to effect some sort of breakthrough, and Black has numerous possible configurations to thwart same, that it seems too 'bushy' to be a good study.

BTW, I can't find a win after trapping the BQ, although I can see how it might be possible.
  
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Dink Heckler
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Re: Endgamestudies
Reply #218 - 09/30/09 at 13:15:05
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sssthepro wrote on 09/30/09 at 10:59:45:
Hi,

My friend and I analysed the queen trap puzzle, and we found out some interesting possibilities.

After 1.Nd4 Qg7 2.Kh3 Qxh6 3.Nf4! as mentioned by Gunter Amman, White will play Nde6 Kg4 h5 and run the queen to the queenside to win a breakthrough. I am not too sure, but I think that White can win this one.

Well, surely that is exactly what needs to be demonstrated. If you could solve studies with vague assertions, things would be a lot easier  Smiley
  
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sssthepro
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Re: Endgamestudies
Reply #217 - 09/30/09 at 10:59:45
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Hi,

My friend and I analysed the queen trap puzzle, and we found out some interesting possibilities.

After 1.Nd4 Qg7 2.Kh3 Qxh6 3.Nf4! as mentioned by Gunter Amman, White will play Nde6 Kg4 h5 and run the queen to the queenside to win a breakthrough. I am not too sure, but I think that White can win this one. 

A critical line is where Black sacs his queen with 3..Kd7 4.Nde6 Qxe6 5.Nxe6 Kxe6 6.Kg4 Kxe5 7.Kg5 White will win the h-pawn, but Black might be able to trap the king in the corner. However, due to the presence of pawns on the queenside, White still has chances. After analysing the position with my friend, we found out that Black needs to lose 2 tempi on the queenside in order to draw, but he can only lose 1 tempo if played correctly. The line we analysed is 7...h5. After 

8.Kxh5 Kf5
9.Kh6 Kf6
10.h5 c6
11.b3! wins.
  
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Günter Amann
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Re: Endgamestudies
Reply #216 - 09/29/09 at 22:08:01
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The idea of hunting and dominating  the queen inspired composers all the time. I want to show an example by V. Platov from 1905!(!)

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white to play and win
« Last Edit: 09/30/09 at 08:24:25 by Günter Amann »  
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Günter Amann
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Re: Endgamestudies
Reply #215 - 09/29/09 at 21:57:19
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1.Nd4 Qg7 2.Kh3 Qxh6 3.Nf4!  followed by Nde6 and h5 only draw? 

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Re: Endgamestudies
Reply #214 - 09/27/09 at 11:33:59
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I don't see a win either. I can lock in the Black queen and play it like a pawn endgame where Black is lacking some squares for the king, but there is one setup which I don't see how to overcome. I'm trying to find a way to release Black's queen at the right moment and play for mate, but currently I'm not getting anywhere.
  
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