Square Fuseki ▪ Square Opening

That’s my spin of the whole idea, but since it originated from this thread, I post the results of my ventures here, to give credit where credit is due. :slight_smile:

The concept is that since this is not immediately “squarish” the opponent doesn’t catch up early that a deliberate shape is being made and so far noone has interrupted the building of the parellelogram.

Also, I thought that since it is odd and not as clearly symmetric as a square, it will be more stable than a square or, at least, more intimidating. So far, noone yet has tried to invade it.

That game is also going well… I almost fumbled it, but at the moment it is heading for a very rare victory against a dan player. I am so excited, I cannot wait for the next moves in DGS, I kepp pressing f5 every ten minutes hehehe :smiley:

And the stones of the fuseki? Surprisingly ideally placed! :smiley:

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The game is finished. I won (W+9) against a 1 dan player! :slight_smile:

If anyone would like to add comments or a review I uploaded the sgf file:

I also got “squared” in one of the other games, but I was already in place to hit the vital point:

Though I was very tempted to play at M6 instead of M5…

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On a related note, I realized a way to make 4x4 square symmetrical:

If the opponent wants to invade it, for example at tengen, you can make good shape and turn the invading stones into a heavy weak group. The purpose of the square formation is to be strong in the area, you don’t need to fully enclose the territory inside of it:

Though AI is telling me Black has a better result after these moves, so maybe White should consider playing somewhere else instead of responding. All I know is I like the shape, and I would prefer to have this kind of center fighting instead of corner joseki and reading corner-based life-and-death.

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2 is ok but 4 is really bad, forcing white to break your own shape. Better to tenuki, or at least play 6 directly if you want to connect your square without hurting the top left stone (but hane outside probably better).

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You’re right, this looks much better for White:

but I can see White has a small weakness here too:

Black gets this peep in sente which can cause trouble if ignored.

So the best move is to tenuki after playing a sente move against Black’s invasion and sacrifice the remaining corner of the 4x4 square:

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I mostly have comments for black. Above all it is to learn the double hane joseki.

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I just noticed you took all 4 corners as White :thinking:… Great job squire!

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image
https://online-go.com/game/83141798

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Is this also considered a square fuseki?

I was black by the way.

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white is square opening, black is square midgame

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another square midgame:

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IIRC I added that example to SL when I was studying that shape, it having come up in one of my OGS games. :slight_smile:

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Examples from amateur play


Uberdude I once made 2 throwing star shapes in the same game next to each other! I’m not claiming they were the best moves, but I thought they were an elegant way to make shape for my group. (1+3+squares is one, squares+circles is other.) I uploaded the game to EGD: [ext] http://www.europeangodatabase.eu/EGD/See_Sgf.php?Sgf=1433714710286067G091228A7&Pin1=14337147&Pin2=10286067

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In games against kyu you can just continue to build something.
There is always hope that they would just let you build it.

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