- [[Purchase inpHeXion from nestorgames>http://nestorgames.com/#inphexion_detail]]
* History [#pbde228a]
''inpHeXion'' is a connection game invented by Masahiro Nakajima, the Curator of 'The Museum of Abstract Strategy Games' in 2014, in the motif of growth of fungus.

- 2015/4/12 AiAi is a great computer game system by Stephen Tavener. inpHeXion is available on AiAi. You may play inpHeXion on AiAi with several board sizes.
- 2014/6/23 The game rule has been revised.
- 2014/10/4 The official rules have been renewed with [[the release of the game from   nestorgames>http://nestorgames.com/#inphexion_detail]].
- 2015/1/26 Nominated for [[BEST COMBINATORIAL 2-PLAYER GAME OF 2014>https://boardgamegeek.com/geeklist/185979/item/3689103#item3689103]] on Board Game Geek.


//* Story [#r790537e]

* Description [#da3baeb2]
** Board & Pieces [#uf54ee4e]
inpHeXion is a two-player game.
|&ref(inpHeXion/board.png,left,around,nolink,inpHeXion 7x7 board,100%);|
|7x7 board|
//|&ref(inpHeXion/5x5.png,left,around,nolink,inpHeXion 5x5 //board,60%);|&ref(inpHeXion/6x6.png,left,around,nolink,inpHeXion 6x6 //board,60%);|&ref(inpHeXion/7x7.png,left,around,nolink,inpHeXion 7x7 board,60%);|
A [[Hex]] board (7x7((7x7 has been chosen as official board))) is used for the game. Discs are placed on cells of the board.

Two players have either 25 white or black discs as his own color. White starts the game. 

//Numbers of pieces differ depend on the board size:
//|13 green and 12 red|18 green and 18 red|25 green and 24 red|32 green and 32 red|

//In the initial placement, a white piece is placed at the center of the board when played with a 5x5 or 7x7 (odd x odd) board. No white pieces are placed when 6x6 (even x even) board is used.

** Game Play [#lffb25a3]
Players take turns to place one of his discs in hand on the board. No pass is allowed.

The first player (white) picks any cell on the board and places his first disc there. 
[[Pie Rule>パイルール]] can be applied.

''Basic Placement Rule''&br;
Discs can be placed only on the cells where opponents' discs are, except of the very first move of the first player.
Players move one of opponents' Discs to one of next empty cells, then place one of his discs in hand on the cell that he just emptied.  
Discs cannot be moved if all of their next cells are occupied.
|&ref(inpHeXion/move.png,nolink,50%,regular move);|&ref(inpHeXion/move0.png,nolink,50%,move an opponent's disc);|
|Black moves a white disc &br; to an adjacent cell|Black places a black disc where he just emptied|
//|&ref(inpHeXion/move.png,nolink,100%, a move of a disc);|
//|an example move (green)|

//''Initial Move''&br;
//The initial move of the game follows the rules below: 
//:5x5 or 7x7 board|Each player places his first piece either following the above basic placement rule or //on an empty grid on the board. 
//:6x6 board|Each player places his %%%white%%% piece on any grid on the board.

''When a player A's disc surrounded by player B's discs as a result of player B's move (Corners of the board can be used as well)''&br;
Player B picks the player A's disc that he just surrounded with his own discs, moves it to any empty cell on the board, and finishes his turn.
|&ref(inpHeXion/move1.png,nolink,50%,White moves a black disc);|&ref(inpHeXion/move2.png,nolink,50%,White place a white disc where his enemy disc was);|&ref(inpHeXion/move3.png,nolink,50%,White moves the black disc that is surrounded by white);|
|White moves a black disc.|White surrounds a black.|White moves the black disc that is surrounded by white.|
//|&ref(inpHeXion/move2.png,nolink,100%, surround an opponent's piece and move it);|
//|If a red piece is surrounded by green pieces as a result of green's move, the red piece is moved to some other empty grid.|
- A surrounded disc is obligatorily moved to another cell. 
- A group of two or more surrounded discs are not moved.
//- If two opposite sides of the board is connected as a result of this move, the game ends. 
- A disc is not moved when it is surrounded by opponents' discs as a result of his own move.
- If multiple isolated enemy discs are surrounded simultaneously, all of them must be moved to empty cells. Note that none of the starting cells can be used as destination cells.
|&ref(inpHeXion/move4.png,nolink,50%,White moves a bloack);|&ref(inpHeXion/move5.png,nolink,50%,White surrounds two blacks separately);|&ref(inpHeXion/move6.png,nolink,50%,White moves both the blacks);|
|White moves a black disc to an adjacent cell|then places a White disc, making two black discs to be fully surrounded simultaneously|then moves both discs elsewhere|
|&ref(inpHeXion/move7.png,nolink,50%,Two enemy discs together);|
|Those 2 black discs are not moved|

*** End of the Game [#x93d1adc]
When there is no legal move left for either player, or when one of the players' discs connect two opposite sides of his color of the board. 

** Goal [#y0211877]
The player that connected two opposite sides of his color of the board first wins.
Note that you lose if you happen to complete your opponents' connection with your own move. 
Also, the player who has no legal moves left loses.  

Moving the enemy disc to an empty cell after surrounding is mandatory: There are cases no empty cells left for this toward the end of a game. If you cannot move the surrounded disc(s),  you lose the game. 

//The game is draw when neither player succeeded to connect his opposite sides when all the discs are on the board.

|&ref(inpHeXion/ending.png,nolink,100%,End of a game);|
|An Example of End Game (White Won)|

* Variants [#a395aa35]
''Play with a Neutral Piece''&br;
- Place the "Neutral Disc" (one white and one black piece stacked) in the center cell of the board.
- The Neutral Disc will can be removed from where it is to place either black or white piece in her turn. 
- The first move of the white will start from the center cell replacing the Neutral Disc.
- The Neutral Disc also needs to be moved to another cell when it is surrounded by either color.
- The Neutral Disc is NOT counted for a winning condition to connect opposite sides.
- Other rules are the same as the original game.

* Note [#w8da3267]
Copyright © Masahiro Nakajima 2014, www.nakajim.net 2014, All rights reserved.

* SEE ALSO [#kead725d]

- [[AiAi>http://mrraow.com/index.php/aiai-home/]] A great multi-game platform by Stephen Tavener. You can play many games on AiAi with Java environment. [[inpHeXion]] is also available with various sizes of boards.
* Feedback [#xafa0ef7]
#vote(Interesting![7],Useful![0],Not interested...[0],Beyond my comprehension...[0],Wanna try this![2],Wanna eat this![0])
#vote(Interesting![8],Useful![0],Not interested...[0],Beyond my comprehension...[0],Wanna try this![2],Wanna eat this![0])

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