Tips oust - Revision history

Shinuito: /* Efficiency */

2023-06-24T23:25:58Z

Efficiency

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 ==Tactics==
 This section will try to give examples of short term tactics in Oust, such as chain captures, lead-in captures, trapping and attachments.
 === Attachments ===
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 Brown has attached to a Blue piece, and this has opened up two paths for Blue to chain capture the Brown groups. Blue can choose to go Northeast and then East twice to capture three groups including the side two group, or they can choose to go Northeast three times and capture the three singleton groups shown.
 === Lead in Captures ===
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 It's not exactly easy to describe what efficiency should mean in Oust, and it is likely to change as the game is played and studied more and more, particularly efficiency in the openings. However here are a few ideas that might help you to select relatively good moves in different phases of the game.
-(In progress)
+Efficiency in the opening is tricky to define and might be subject to change, potentially even dependent on board sizes, 6,7, 8 on BGA at present. However it should somehow take into account the idea that making many separate, in particular, small groups can ultimately lead to a loss. So it stands to reason, that should you have many stones on the board, if they are densely packed, they are reasonably efficient when it comes to quickly making larger groups. That is compare the example in the section called "Too many groups can lose" to the following example:

Shinuito: Adding a section defining phases of the game - will discuss efficiency in those phases soon

2023-06-24T21:55:05Z

Adding a section defining phases of the game - will discuss efficiency in those phases soon

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 In the above, blue has a size 4 group and so can play the lead in capture move against the size 1 group. Below, Blue has two nearby size 3 groups, and so can play the attachment to the size 1 group, threatening a follow-up capture.
 [[File:Nplus2_2.png]]
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 The reason this position is losing for blue may not be completely obvious, but essentially, blue has run out of free moves, and their groups are very scattered and overall not very large (largest is size 6). Blue has no choice but to play either an attachment or at E11, which will allow brown either to start chain captures or to slowly grow and join their singletons into a larger and larger group, eventually recapturing all of blue's groups. Brown is now in control of the flow of the rest of the game.

Shinuito: Adding a section on having too many groups

2023-06-24T17:44:01Z

Adding a section on having too many groups

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 * Allowing your opponent to have too large a group can lose you the game. It can be difficult, if not impossible to capture a group of about 20 stones on size 7 for instance.
 * Having only small groups next to opponents larger groups can put you at a large disadvantage.
-* Look out for the N+2 rule in order to take advantage of tactics, i.e. if you have a group two sizes larger than the opponents nearby groups, there may be some tactics to take advantage of. See below for examples of tactics (trapping, lead in captures, attachments).
+* Look out for the '''N+2''' rule in order to take advantage of tactics, i.e. if you have a group two sizes larger than the opponents nearby groups, there may be some tactics to take advantage of. See below for examples of tactics (trapping, lead in captures, attachments).
 * Some shapes are more efficient to merge groups later, but can be vulnerable to chain capturing. Be aware of this tradeoff!
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 [[File:Oust_lead_in2.png]]

Shinuito: Expand the tactics section with many more examples.

2023-06-24T16:59:53Z

Expand the tactics section with many more examples.

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-===Trapping===
+====Trapping====
-The tactic of ''trapping'', is a particular type of attachment move, taking advantage of the rule for capturing placements, whereby you need to be larger than the opponents group you touch in order to capture it. Typically with these trapping moves you attach a single stone to your opponents single stone or group, in a situation where the opponent can only grow in directions where they would touch a group of the same size or larger. In these cases the opponent can't capture and it's like the group is trapped with no legal growing/capturing placements. The following images show some examples of trapping moves:
+The tactic of ''trapping'', is a particular type of attachment move, taking advantage of the rule for capturing placements, whereby you need to be larger than the opponents group you touch in order to capture it. We can think of this as an example of a free move mentioned above. Typically with these trapping moves you attach a single stone to your opponents single stone or group, in a situation where the opponent can only grow in directions where they would touch a group of the same size or larger. In these cases the opponent can't capture and it's like the group is trapped with no legal growing/capturing placements. The following images show some examples of trapping moves:
 ) The easiest place to trap an opponents group is typically in corners, since there is already a limited number of directions to grow with capturing placements. Here a two stone group and an attachment traps the single brown stone.
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 [[File:Trapping_center.png]]

Shinuito: grammar and small additions

2023-06-24T15:45:11Z

grammar and small additions

← Older revision		Revision as of 17:45, 24 June 2023
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	* Try to place your stones in a way that gives you more '''free''' moves than your opponent. A '''free''' move is a move that either can't be captured by your opponent, or if captured gives them little to no gain in the game.		* Try to place your stones in a way that gives you more '''free''' moves than your opponent. A '''free''' move is a move that either can't be captured by your opponent, or if captured gives them little to no gain in the game.
	* Restrict the ~~opponents~~ available moves. You don't always have to capture every stone and group of your opponent right away. If your group is strictly larger than a nearby group it could capture 2 beside 1, 3 beside 2 or 1 and so on.		* Restrict the opponent's available moves. You don't always have to capture every stone and group of your opponent right away. If your group is strictly larger than a nearby group it could capture 2 beside 1, 3 beside 2 or 1 and so on, then you may be able to safely leave the opponent's dead stones on the board until later.
	* You can sacrifice some stones in the beginning of the game to make the ~~opponents~~ stones inefficient, that is they don't use the space around them effectively.		* You can sacrifice some stones in the beginning of the game to make the opponent's stones inefficient, that is they don't use the space around them effectively.
	* Having too many more groups than your opponent can lose you the game.		* Having too many more groups than your opponent can lose you the game.
	* Allowing your opponent to have too large a group can lose you the game. It can be difficult, if not impossible to capture a group of about 20 stones on size 7 for instance.		* Allowing your opponent to have too large a group can lose you the game. It can be difficult, if not impossible to capture a group of about 20 stones on size 7 for instance.
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	=== Attachments ===		=== Attachments ===
	Typically when you play directly beside an opponents stone or group, attaching to that stone or group, you immediately make it stronger. Usually the opponent can choose a direction to grow their group after the attachment. However there are some cases where attaching has its advantages:		Typically when you play directly beside an opponents stone or group, attaching/touching to that stone or group, you immediately make it stronger. Usually the opponent can choose a direction to grow their group after the attachment. This will likely become unavoidable at some stages of the game. However there are some cases where attaching has its advantages:



	===Trapping===		===Trapping===
	The tactic of trapping, is a particular type of attachment move, taking advantage of the rule for capturing placements, whereby you need to be larger than the opponents group you touch in order to capture it. Typically with these trapping moves you attach a single stone to your opponents single stone or group, in a situation where the opponent can only grow in directions where they would touch a group of the same size or larger. In these cases the opponent can't capture and it's like the group is trapped with no legal growing/capturing placements. The following images show some examples of trapping moves:		The tactic of ''trapping'', is a particular type of attachment move, taking advantage of the rule for capturing placements, whereby you need to be larger than the opponents group you touch in order to capture it. Typically with these trapping moves you attach a single stone to your opponents single stone or group, in a situation where the opponent can only grow in directions where they would touch a group of the same size or larger. In these cases the opponent can't capture and it's like the group is trapped with no legal growing/capturing placements. The following images show some examples of trapping moves:

	1) The easiest place to trap an opponents group is typically in corners, since there is already a limited number of directions to grow with capturing placements. Here a two stone group and an attachment traps the single brown stone.		1) The easiest place to trap an opponents group is typically in corners, since there is already a limited number of directions to grow with capturing placements. Here a two stone group and an attachment traps the single brown stone.

SOLFAREMI at 06:25, 19 April 2023

2023-04-19T06:25:09Z

← Older revision		Revision as of 08:25, 19 April 2023
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	Oust can be a tricky game to get used to at first. The goal is to capture all your opponent's pieces, but initially there's no clear way to do this, since you can't capture or grow your own groups without your opponent's help in a sense.		Oust can be a tricky game to get used to at first. The goal is to capture all your opponent's pieces, but initially there's no clear way to do this, since you can't capture or grow your own groups without your opponent's help in a sense.

	Here's a brief overview of some strategic ideas and then if you wish you can read further ~~below~~ in a dedicated section below:		Here's a brief overview of some strategic ideas and then if you wish you can read further in a dedicated section below:

	* Try to place your stones in a way that gives you more '''free''' moves than your opponent. A '''free''' move is a move that either can't be captured by your opponent, or if captured gives them little to no gain in the game.		* Try to place your stones in a way that gives you more '''free''' moves than your opponent. A '''free''' move is a move that either can't be captured by your opponent, or if captured gives them little to no gain in the game.

Shinuito: Undo revision 15875 by Shinuito (talk) it seemed to break the display of the images - better to resize the files themselves

2023-01-28T11:32:24Z

Undo revision 15875 by Shinuito (talk) it seemed to break the display of the images - better to resize the files themselves

← Older revision		Revision as of 13:32, 28 January 2023
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	2) An example of a three stone group and an attachment trapping two blue stones in the corner.		2) An example of a three stone group and an attachment trapping two blue stones in the corner.

	[[File:Trapping_two_stones.png~~\|340px~~]]		[[File:Trapping_two_stones.png]]

	3) Trapping a single brown stone on the side of the board. It could only potentially grow in directions that touched two and three stone groups meaning it was trapped by the attachment.		3) Trapping a single brown stone on the side of the board. It could only potentially grow in directions that touched two and three stone groups meaning it was trapped by the attachment.

	[[File:Trapping_side.png~~\|340px~~]]		[[File:Trapping_side.png]]

	4) Here the single brown stone could only grow into size two and three groups after the attachment, and so was trapped by the attachment, this time in the centre of the board.		4) Here the single brown stone could only grow into size two and three groups after the attachment, and so was trapped by the attachment, this time in the centre of the board.

	[[File:Trapping_center.png~~\|340px~~]]		[[File:Trapping_center.png]]

Shinuito: Try to keep the images similar in size and see if it shows up on the BGA page

2023-01-27T22:55:36Z

Try to keep the images similar in size and see if it shows up on the BGA page

← Older revision		Revision as of 00:55, 28 January 2023
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	2) An example of a three stone group and an attachment trapping two blue stones in the corner.		2) An example of a three stone group and an attachment trapping two blue stones in the corner.

	[[File:Trapping_two_stones.png]]		[[File:Trapping_two_stones.png\|340px]]

	3) Trapping a single brown stone on the side of the board. It could only potentially grow in directions that touched two and three stone groups meaning it was trapped by the attachment.		3) Trapping a single brown stone on the side of the board. It could only potentially grow in directions that touched two and three stone groups meaning it was trapped by the attachment.

	[[File:Trapping_side.png]]		[[File:Trapping_side.png\|340px]]

	4) Here the single brown stone could only grow into size two and three groups after the attachment, and so was trapped by the attachment, this time in the centre of the board.		4) Here the single brown stone could only grow into size two and three groups after the attachment, and so was trapped by the attachment, this time in the centre of the board.

	[[File:Trapping_center.png]]		[[File:Trapping_center.png\|340px]]

Shinuito: Added a section on trapping attachements and images. Test if images show in BGA strategy section on main site

2023-01-27T22:45:41Z

Added a section on trapping attachements and images. Test if images show in BGA strategy section on main site

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-=== Overview ===
+== Overview ==
 Oust can be a tricky game to get used to at first. The goal is to capture all your opponent's pieces, but initially there's no clear way to do this, since you can't capture or grow your own groups without your opponent's help in a sense.
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 Further sections detailing the above to be created and updated soon.

Shinuito: Start detailing an overview of strategy - will try to expand each bullet point into a section below with appropriate screenshots from games later.

2023-01-27T18:26:43Z

Start detailing an overview of strategy - will try to expand each bullet point into a section below with appropriate screenshots from games later.

New page

=== Overview ===
Oust can be a tricky game to get used to at first. The goal is to capture all your opponent's pieces, but initially there's no clear way to do this, since you can't capture or grow your own groups without your opponent's help in a sense.

Here's a brief overview of some strategic ideas and then if you wish you can read further below in a dedicated section below:

* Try to place your stones in a way that gives you more '''free''' moves than your opponent. A '''free''' move is a move that either can't be captured by your opponent, or if captured gives them little to no gain in the game.
* Restrict the opponents available moves. You don't always have to capture every stone and group of your opponent right away. If your group is strictly larger than a nearby group it could capture 2 beside 1, 3 beside 2 or 1 and so on.
* You can sacrifice some stones in the beginning of the game to make the opponents stones inefficient, that is they don't use the space around them effectively.
* Having too many more groups than your opponent can lose you the game.
* Allowing your opponent to have too large a group can lose you the game. It can be difficult, if not impossible to capture a group of about 20 stones on size 7 for instance.
* Having only small groups next to opponents larger groups can put you at a large disadvantage.
* Look out for the N+2 rule in order to take advantage of tactics, i.e. if you have a group two sizes larger than the opponents nearby groups, there may be some tactics to take advantage of. See below for examples of tactics (trapping, lead in captures, attachments).
* Some shapes are more efficient to merge groups later, but can be vulnerable to chain capturing. Be aware of this tradeoff!

Further sections detailing the above to be created and updated soon.