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Lines of Action is a game, created by Claude Soucie and first described in Sid Sackson's book "A Gamut of Games".
+
For tips on how to play Lines of Action, please see [[Tips_linesofaction]]
Read more about the history, strategy and tactics at https://boardspace.net/loa/.
 
  
The goal is to get your pieces to be all contiguously connected.
+
== Goal ==
  
If a player is reduced to one piece, they win.
+
The object of the game is to connect all of one's pieces together into a contiguous body so that they are connected vertically, horizontally or diagonally.
 +
Here is an [[#Example_winning_move|example winning move]].
 +
 
 +
== Setup ==
 +
 
 +
{{chessboard | lightSquareColour=#b85 | darkSquareColour=#831
 +
 
 +
| a2={{whiteCylinder}}
 +
| a3={{whiteCylinder}}
 +
| a4={{whiteCylinder}}
 +
| a5={{whiteCylinder}}
 +
| a6={{whiteCylinder}}
 +
| a7={{whiteCylinder}}
 +
 
 +
| h2={{whiteCylinder}}
 +
| h3={{whiteCylinder}}
 +
| h4={{whiteCylinder}}
 +
| h5={{whiteCylinder}}
 +
| h6={{whiteCylinder}}
 +
| h7={{whiteCylinder}}
 +
 
 +
| b1={{redCylinder}}
 +
| c1={{redCylinder}}
 +
| d1={{redCylinder}}
 +
| e1={{redCylinder}}
 +
| f1={{redCylinder}}
 +
| g1={{redCylinder}}
 +
 
 +
| b8={{redCylinder}}
 +
| c8={{redCylinder}}
 +
| d8={{redCylinder}}
 +
| e8={{redCylinder}}
 +
| f8={{redCylinder}}
 +
| g8={{redCylinder}}
 +
}}
 +
</center></div>
 +
 
 +
== Movement ==
 +
 
 +
* Players alternate moves, with Red having the first move.
 +
* Pieces move in a line horizontally, vertically, or diagonally.
 +
* A piece moves exactly as many spaces as there are pieces (both friendly and enemy) on the line in which it is moving.
 +
 
 +
<div style="display:flex; flex-flow:row wrap; gap:1rem;">
 +
<div style="display:grid; grid:repeat(2,auto)/min-content;">
 +
  <div style="padding-left:1.5rem; padding-right:1.5rem;">
 +
=== A piece may not jump over an enemy piece ===
 +
White cannot play a6-d6, even though there are three pieces in row 6. White might instead play a6-c4, moving two spaces because there are two pieces in the diagonal (a6-f1).
 +
  </div>
 +
  <div style="align-self:end;">
 +
{{chessboard | lightSquareColour=#b85 | darkSquareColour=#831
 +
 
 +
| highlighta6=rgba(0,255,0,0.5)
 +
| highlightc4=rgba(0,255,0,0.5)
 +
| highlightd6=rgba(255,0,0,0.5)
 +
 
 +
| a2={{whiteCylinder}}
 +
| a3={{whiteCylinder}}
 +
| a4={{whiteCylinder}}
 +
| a5={{whiteCylinder}}
 +
| c4={{whiteCylinder}}
 +
| a7={{whiteCylinder}}
 +
 
 +
| h2={{whiteCylinder}}
 +
| h3={{whiteCylinder}}
 +
| h4={{whiteCylinder}}
 +
| h5={{whiteCylinder}}
 +
| h6={{whiteCylinder}}
 +
| h7={{whiteCylinder}}
 +
 
 +
| b1={{redCylinder}}
 +
| c1={{redCylinder}}
 +
| d1={{redCylinder}}
 +
| e1={{redCylinder}}
 +
| f1={{redCylinder}}
 +
| g1={{redCylinder}}
 +
 
 +
| b8={{redCylinder}}
 +
| c6={{redCylinder}}
 +
| d8={{redCylinder}}
 +
| e8={{redCylinder}}
 +
| f8={{redCylinder}}
 +
| g8={{redCylinder}}
 +
}}
 +
  </div>
 +
</div>
 +
<div style="display:grid; grid:repeat(2,auto)/min-content;">
 +
  <div style="padding-left:1.5rem; padding-right:1.5rem;">
 +
=== A piece may jump over friendly pieces ===
 +
Red may continue with e8-b5, jumping their own piece. It moves three spaces because there are three pieces in the diagonal (a4-e8).
 +
  </div>
 +
  <div style="align-self:end;">
 +
{{chessboard | lightSquareColour=#b85 | darkSquareColour=#831
 +
 
 +
| highlighte8=rgba(0,255,0,0.5)
 +
| highlightb5=rgba(0,255,0,0.5)
 +
 
 +
| a2={{whiteCylinder}}
 +
| a3={{whiteCylinder}}
 +
| a4={{whiteCylinder}}
 +
| a5={{whiteCylinder}}
 +
| c4={{whiteCylinder}}
 +
| a7={{whiteCylinder}}
 +
 
 +
| h2={{whiteCylinder}}
 +
| h3={{whiteCylinder}}
 +
| h4={{whiteCylinder}}
 +
| h5={{whiteCylinder}}
 +
| h6={{whiteCylinder}}
 +
| h7={{whiteCylinder}}
 +
 
 +
| b1={{redCylinder}}
 +
| c1={{redCylinder}}
 +
| d1={{redCylinder}}
 +
| e1={{redCylinder}}
 +
| f1={{redCylinder}}
 +
| g1={{redCylinder}}
 +
 
 +
| b8={{redCylinder}}
 +
| c6={{redCylinder}}
 +
| d8={{redCylinder}}
 +
| b5={{redCylinder}}
 +
| f8={{redCylinder}}
 +
| g8={{redCylinder}}
 +
}}
 +
  </div>
 +
</div>
 +
<div style="display:grid; grid:repeat(2,auto)/min-content;">
 +
  <div style="padding-left:1.5rem; padding-right:1.5rem;">
 +
=== A piece may capture an enemy piece ===
 +
For example, White may play h3-f1, capturing the red piece on f1.
 +
  </div>
 +
  <div style="align-self:end;">
 +
{{chessboard | lightSquareColour=#b85 | darkSquareColour=#831
 +
 
 +
| highlighth3=rgba(0,255,0,0.5)
 +
| highlightf1=rgba(0,255,0,0.5)
 +
 
 +
| a2={{whiteCylinder}}
 +
| a3={{whiteCylinder}}
 +
| a4={{whiteCylinder}}
 +
| a5={{whiteCylinder}}
 +
| c4={{whiteCylinder}}
 +
| a7={{whiteCylinder}}
 +
 
 +
| h2={{whiteCylinder}}
 +
| f1={{whiteCylinder}}
 +
| h4={{whiteCylinder}}
 +
| h5={{whiteCylinder}}
 +
| h6={{whiteCylinder}}
 +
| h7={{whiteCylinder}}
 +
 
 +
| b1={{redCylinder}}
 +
| c1={{redCylinder}}
 +
| d1={{redCylinder}}
 +
| e1={{redCylinder}}
 +
| g1={{redCylinder}}
 +
 
 +
| b8={{redCylinder}}
 +
| c6={{redCylinder}}
 +
| d8={{redCylinder}}
 +
| b5={{redCylinder}}
 +
| f8={{redCylinder}}
 +
| g8={{redCylinder}}
 +
}}
 +
  </div>
 +
</div>
 +
</div>
 +
 
 +
 
 +
A player who is reduced to a single piece wins the game, because their pieces are by definition united.
 +
 
 +
If a move results, due to a capture, in each player having all their pieces in a contiguous body, then either the player moving wins, or the game is a draw, depending on the rules in force.
 +
 
 +
<div style="display:grid; grid:repeat(2,auto)/min-content;">
 +
<div style="padding-left:1.5rem; padding-right:1.5rem;">
 +
=== Example winning move ===
 +
White has just won with the move b6-c7.
 +
</div>
 +
<div style="align-self:end;">
 +
{{chessboard | lightSquareColour=#b85 | darkSquareColour=#831 |
 +
 
 +
| c7={{whiteCylinder}}
 +
| highlightc7=rgba(0,255,0,0.5)
 +
| highlightb6=rgba(0,255,0,0.5)
 +
 
 +
| d7={{whiteCylinder}}
 +
| e6={{whiteCylinder}}
 +
| f5={{whiteCylinder}}
 +
| f4={{whiteCylinder}}
 +
 
 +
| c6={{redCylinder}}
 +
| d5={{redCylinder}}
 +
| e3={{redCylinder}}
 +
| f3={{redCylinder}}
 +
| g4={{redCylinder}}
 +
| f6={{redCylinder}}
 +
| e7={{redCylinder}}
 +
}}
 +
</div>
 +
</div>

Revision as of 20:24, 19 December 2021

For tips on how to play Lines of Action, please see Tips_linesofaction

Goal

The object of the game is to connect all of one's pieces together into a contiguous body so that they are connected vertically, horizontally or diagonally. Here is an example winning move.

Setup

A
B
C
D
E
F
G
H
8
Empty Square
Red token
Red token
Red token
Red token
Red token
Red token
Empty Square
8
7
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
7
6
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
6
5
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
5
4
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
4
3
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
3
2
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
2
1
Empty Square
Red token
Red token
Red token
Red token
Red token
Red token
Empty Square
1
A
B
C
D
E
F
G
H

Movement

  • Players alternate moves, with Red having the first move.
  • Pieces move in a line horizontally, vertically, or diagonally.
  • A piece moves exactly as many spaces as there are pieces (both friendly and enemy) on the line in which it is moving.

A piece may not jump over an enemy piece

White cannot play a6-d6, even though there are three pieces in row 6. White might instead play a6-c4, moving two spaces because there are two pieces in the diagonal (a6-f1).

A
B
C
D
E
F
G
H
8
Empty Square
Red token
Empty Square
Red token
Red token
Red token
Red token
Empty Square
8
7
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
7
6
Empty Square
Empty Square
Red token
Empty Square
Empty Square
Empty Square
Empty Square
White token
6
5
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
5
4
White token
Empty Square
White token
Empty Square
Empty Square
Empty Square
Empty Square
White token
4
3
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
3
2
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
2
1
Empty Square
Red token
Red token
Red token
Red token
Red token
Red token
Empty Square
1
A
B
C
D
E
F
G
H

A piece may jump over friendly pieces

Red may continue with e8-b5, jumping their own piece. It moves three spaces because there are three pieces in the diagonal (a4-e8).

A
B
C
D
E
F
G
H
8
Empty Square
Red token
Empty Square
Red token
Empty Square
Red token
Red token
Empty Square
8
7
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
7
6
Empty Square
Empty Square
Red token
Empty Square
Empty Square
Empty Square
Empty Square
White token
6
5
White token
Red token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
5
4
White token
Empty Square
White token
Empty Square
Empty Square
Empty Square
Empty Square
White token
4
3
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
3
2
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
2
1
Empty Square
Red token
Red token
Red token
Red token
Red token
Red token
Empty Square
1
A
B
C
D
E
F
G
H

A piece may capture an enemy piece

For example, White may play h3-f1, capturing the red piece on f1.

A
B
C
D
E
F
G
H
8
Empty Square
Red token
Empty Square
Red token
Empty Square
Red token
Red token
Empty Square
8
7
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
7
6
Empty Square
Empty Square
Red token
Empty Square
Empty Square
Empty Square
Empty Square
White token
6
5
White token
Red token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
5
4
White token
Empty Square
White token
Empty Square
Empty Square
Empty Square
Empty Square
White token
4
3
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
3
2
White token
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
2
1
Empty Square
Red token
Red token
Red token
Red token
White token
Red token
Empty Square
1
A
B
C
D
E
F
G
H


A player who is reduced to a single piece wins the game, because their pieces are by definition united.

If a move results, due to a capture, in each player having all their pieces in a contiguous body, then either the player moving wins, or the game is a draw, depending on the rules in force.

Example winning move

White has just won with the move b6-c7.

A
B
C
D
E
F
G
H
8
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
8
7
Empty Square
Empty Square
White token
White token
Red token
Empty Square
Empty Square
Empty Square
7
6
Empty Square
Empty Square
Red token
Empty Square
White token
Red token
Empty Square
Empty Square
6
5
Empty Square
Empty Square
Empty Square
Red token
Empty Square
White token
Empty Square
Empty Square
5
4
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
White token
Red token
Empty Square
4
3
Empty Square
Empty Square
Empty Square
Empty Square
Red token
Red token
Empty Square
Empty Square
3
2
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
2
1
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
Empty Square
1
A
B
C
D
E
F
G
H