Why is this position evaluated so?

Michael Flatt · Post by **Michael Flatt** » Sun Aug 02, 2015 1:14 pm

soheil_hooshdaran wrote:This position is also evaluated as a +/- and I don't know why

There is a useful page on wikipedia which describes different symbols used in chess annotation: https://en.wikipedia.org/wiki/Chess_annotation_symbols

soheil_hooshdaran · Post by **soheil_hooshdaran** » Sun Aug 02, 2015 2:04 pm

Michael Flatt wrote:What is the source of this position?

Is it possible to identify the players involved ?

What actual words did the annotator use to describe and evaluate the position?

What was the final result, assuming that it was taken from an actual game?

Which position are you referring to?

I was quite busy since our morning, posting.

soheil_hooshdaran · Post by **soheil_hooshdaran** » Sun Aug 02, 2015 2:06 pm

Michael Flatt wrote:
soheil_hooshdaran wrote:This position is also evaluated as a +/- and I don't know why
There is a useful page on wikipedia which describes different symbols used in chess annotation: https://en.wikipedia.org/wiki/Chess_annotation_symbols

I had been a tournament player since about 2000, so I didn't mean the symbol

Michael Flatt · Post by **Michael Flatt** » Sun Aug 02, 2015 2:14 pm

soheil_hooshdaran wrote:
Michael Flatt wrote:What is the source of this position?

Is it possible to identify the players involved ?

What actual words did the annotator use to describe and evaluate the position?

What was the final result, assuming that it was taken from an actual game?
Which position are you referring to?

I was quite busy since our morning, posting.

It would be helpful to see information on them all.

Evidently someone has taken the trouble to research, comment and publish these positions and deserve recognition of their efforts. It's a simple courtesy to identify your sources.

soheil_hooshdaran · Post by **soheil_hooshdaran** » Sun Aug 02, 2015 4:16 pm

Yes.
They are from chess college3:technique by GM Grivas. And from analyzed variations

Matt Mackenzie · Post by **Matt Mackenzie** » Sun Aug 02, 2015 4:19 pm

soheil_hooshdaran wrote:I appreciate all your help.

This position is also evaluated as a +/- and I don't know why

3r2k1/R4ppp/1p2p3/8/1n6/1P3KP1/1B2PP1P/8 b - - 0 24your web browser and/or your host do not support iframes as required to display the chessboard

Could someone please help me understand?

Bishop potentially superior to the Knight?

Black's isolated pawn on the b-file more vulnerable to attack than White's??

White's position just "looks" a bit easier to play......

soheil_hooshdaran · Post by **soheil_hooshdaran** » Sun Aug 02, 2015 4:27 pm

White had this Bishop before.
They both have an isolated pawn.
Is chess really about "looks"?

soheil_hooshdaran · Post by **soheil_hooshdaran** » Sun Aug 02, 2015 4:28 pm

What is favorable about

?It is Black's turn

Matt Mackenzie · Post by **Matt Mackenzie** » Sun Aug 02, 2015 6:17 pm

soheil_hooshdaran wrote:White had this Bishop before.
They both have an isolated pawn.
Is chess really about "looks"?

To a degree it probably is, yes!

Michael Flatt · Post by **Michael Flatt** » Sun Aug 02, 2015 6:56 pm

soheil_hooshdaran wrote:Yes.
They are from chess college3:technique by GM Grivas. And from analyzed variations

Well, might I suggest that you read what GM Grivas has to say about these positions?

His book, after all, is intended as a training manual and the reviews I have read and the extract I have seen suggest that he does explain what is going on.

Reference: http://www.gambitbooks.com/books/Chess_ ... nique.html
Download extract: http://www.gambitbooks.com/pdfs/Chess_C ... hnique.pdf

soheil_hooshdaran · Post by **soheil_hooshdaran** » Mon Aug 03, 2015 8:59 am

Why is it that here White's chances are deemed better

But here

the comment says "the game would bee drawn, as neither side can improve their pieces?

MartinCarpenter · Post by **MartinCarpenter** » Mon Aug 03, 2015 10:14 am

Like all of these - you're meant to try and work that out

A few obvious differences between those two positions, why they're significant takes work.

This sort of statement/evaluation etc is often reasonably open to question of course.

soheil_hooshdaran · Post by **soheil_hooshdaran** » Wed Aug 05, 2015 7:31 pm

Why is this position (with Black to move) evaluated as advantageous to White?

MartinCarpenter · Post by **MartinCarpenter** » Wed Aug 05, 2015 7:49 pm

Well the odd thing with black's position isn't quite 'right' somehow I guess. The bishop still on f8, that pin on f6, d5/long term king not absolutely secure etc.

You'd probably have to analyse quite a bit to understand it mind. Or rope in a computer

Stockfish thinks its ~+0.5 after c6, so not a big advantage.

soheil_hooshdaran · Post by **soheil_hooshdaran** » Tue Jan 12, 2016 5:16 am

what does 1.f5 give White advantage in:

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