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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 19:24, 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