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Space or Mobility?

I see, "space" means control of squares.
If you exchange pieces, space will decrease.
Rather than gaining space, should I say that I got mobility?
In my opinion, what is more important recently is not space advantage but mobility advantage?

I'm sorry in poor English.

Both are equally important, but they change depending on the situation. Generally the more space and mobility you have, the more chances you have at winning the game.
thanks osmanre.

I mean...
With more material, more space will be added, but mobility will go down.
Looking at the explanation of the space advantage, I often get confused. Is this control-squares or get mobility? Is there a topic that I treated separately?

How to name overstretched positions, a common reason for losing games? Too few pieces have to control too much space. The opponent enters the position with ease.

Space is nothing, in the Hedgehog Black hast less space, less mobility - but the higher potential. That’s the term you are searching for?

thanks CM Sarg0n.
The word "potential" is also interesting.
I want to study more about chess.

Space is a static advantage, and mobility (sometimes dynamic advantage) is in it. Spaces can convert to mobility in most cases, but the reverse may not be the case. Space will be gained by advancing pawn, in some cases, mobility will be obtained if sacrificed pawn (like clearance). Correct or incorrect? I want to see it carefully. If so, I would like to study a style that converts it to mobility after gaining some space.

or...

What I'd like to say is that mobility can be obtained even without getting space often (by exchanging pieces, etc.), apart from space advantage, I think that there may be a theme of mobility advantage. There are many things to talk about on the same line, but is it different thing? I thought.

maybe,For most people it does not matter...

Thank you for your reply :)

Potential, dynamics, Hedgehog.

GM Mihai Suba, the old master knows it well. I can recommend „Dynamic Chess Strategy“. Or Watson’s SOMCS.
I define space as how far extended your pawn structure is. As white, having pawns on d4+e4 gives you more space than pawns on d3+e4, which gives you more space than pawns on d3+e3, etc. More space = more mobility for your pieces.

If you are lacking in space, your pieces will suffer; they will be stepping on each other' shoes fighting over a limited number of squares. In this situation you should 1) Gain more space, usually through a pawn break, and/or 2) Trade pieces so you're not as congested.
I made a study. I have not analysed it. I just counted space and mobility. However, I think that it will be helpful for understanding some moves.

Although the difference in space is hard to count, mobility is easy to count for me ;).



bytheway, Japan was sooo good scored at Olympiad ;)) (sorry I am Japanese.I was excited to watch the game!!.)
Space is what is behind the pawn structure. It does not include the other 5 chess pieces (R,N,B,Q,K). So, look at any pawn structure and count from whites point of view. How many squares are behind the white pawns? Then from blacks point of view, how many squares are behind The black pawns? Then compare who has the most amount of space behind their pawns. The one that has more space has a better chance of mobilizing their pieces more quickly. So space affects mobility and tempo.

Mobility is counted differently. It is where the 5 pieces can step on a square that is not occupied. You want to reduce the mobility of the opponent pieces and at the same time increase the mobility of your pieces.

If you have a semi open file, then you now need to control your semi open column by a rook. Note I did not say control your space. Space is what you have behind a pawn. It's not called space in front of a pawn or where you no longer have a pawn on your side of the column. Terminology is import to help count squares advantage.

In a standard initial position there are 2 rows that are controlled: Row 3 and 6
There are two rows that are free of control. Rows 4 and 5.
There are 4 central squares, two in one territory and two in the other. So you want to control your central territorial squares and prevent the opponent from having control of their own. So you place a pawn on one of you squares to do the two tasks. It becomes vulnerable to be attacked. A knight on f3 would not have been immediately vulnerable. Ideally you want to play a pawn to free a bishop. freeing it is giving it the chance to move. So it is now mobile when it could move. I would say it is not active until it is working with another piece in an aim to gain something.

Maybe with a chess engine they use a list to decide best move. The terminology would probably be found there. It would count space, tempo, mobility, activity, key squares, etc ....

Do a search, you might find a nice list that covered the subject:
Chess position evaluation expressed by various authors.

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