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Encyclopedia > Omweso
Omweso
Ranks: Four
Sowing: Multilap
Region: Uganda

Omweso, sometimes shortened to Mweso, is a mancala popular in Uganda. It uses a 8×4 board instead of the 6×2 board used in games like Oware. Mancala is a family of board games played around the world, sometimes called sowing games or count and capture games, which comes from the general gameplay. ... Oware is an abstract strategy game and the mancala game most widely considered suitable for serious adult competition. ...


Some of the text on this webpage relating to Omweso has been copied from www.omweso.org


I am quite happy for this text to be treated as public domain, as long as the provenance is clearly stated.


Brian Wernham International Omweso Society London

Contents

Rules

Equipment

Omweso requires a board of 32 pits, arranged with eight pits lengthwise towards the players, and four pits deep. Each player's territory is the 16 pits on their side of the board. In addition, 64 undifferentiated seeds are needed. Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ...


Object

The normal way to win the game is to be the last player to be able to make a legal move, possible by capturing all an opponent's stones or reducing the opponent to no more than one seed in each pit. Alternatively, a player can win by capturing on both ends of the board in one turn.


Setup

Before the game, four seeds are placed in each of the eight pits closest to a player, to ensure that both players have exactly 32 seeds. The first player is chosen by lot. This player arranges all owned seeds on their side of the board according to preference. Then, the second player also arranges their seeds. The first player then makes the first sowing move.


Sowing

Example turn:

Preparing to sow from the highlighted hole. Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (3) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (10) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala highlight (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ...

Sowing captures 6 seeds. Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala_highlight_(1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (3) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala highlight (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (10) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ...

The 6 captured seeds are resown from the starting hole. Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (3) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (5) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (10) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (4) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (6) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (1) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Empty mancala hole These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Highlight on empty mancala hole. ... Mancala hole (2) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (2) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ... Mancala hole (2) These Mancala images and diagrams are copyright (c) 2004 Kevin Saff. ...

Play consists of turns, each of which may involve several moves. A player moves by selecting a pit with at least two seeds, and sowing them one by one around their side of the board in a counter-clockwise direction from the starting pit. The player may only sow from one of the sixteen pits in their territory, and the sowing proceeds around this territory, not directly involving the opponent's side.


Although in the past it was common for players to spend much time in thought, in modern tournaments only three seconds of thought is allowed per turn. The referee counts omu, ebiri, and if the turn is not started the other player may steal it.


Relay Sowing

If the last sowed seed lands in a previously occupied pit, all seeds in that pit, including the one just placed, are immediately sown, before the opponent's turn. This continues until the last sowing ends in an empty pit.


Capturing

If the last seed sown lands in one of the player's eight inner pits, which is occupied, and furthermore both the opponent's pits in this same column are occupied, then all seeds from these two pits are captured and sown starting from the pit where this capturing move began.


Reverse Capturing

Instead of sowing in a counter-clockwise direction, a player may sow clockwise from any of their four leftmost pits if this results in a capture. During a long continued move, a player may play both forward sowing and reverse capturing moves, and is never compulsed to prefer one over the other as long as the conditions are met.


Alternate victory conditions

The normal way to win the game is to be the last player left with a legal move. However, there are two additional victory conditions:

  • Emitwe-ebiri - during the same move, a player can win by capturing opponent's seeds on both ends of the board.
  • Akakyala - in some tournaments, a player may win by capturing in each of two separate moves, before the opponent has captured their first seed.

In addition, a special win called akawumbi occurs when a player captures seeds from each of an opponent's pits in one turn. In a tournament, this may be weighted several times a more mundane victory.


Never ending moves

It is possible for a move to lead to a never-ending sowing sequence. In tournament play, a player is allowed up to three minutes to finish his move - if this cannot be done, the game is annulled.


Never ending omweso moves have been of some mathematical interest. The Mayer Test can be used to determine whether a position can lead to a never-ending sowing. Omweso, sometimes shortened to Mweso, is a mancala popular in Uganda. ...


External Links


  Results from FactBites:
 
Omweso Information (637 words)
Omweso, sometimes shortened to Mweso, is a mancala popular in Uganda.
Omweso requires a board of 32 pits, arranged with eight pits lengthwise towards the players, and four pits deep.
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Omweso - Wikipedia, the free encyclopedia (694 words)
Omweso, sometimes shortened to Mweso, is a mancala popular in Uganda.
Omweso requires a board of 32 pits, arranged with eight pits lengthwise towards the players, and four pits deep.
Article on Omweso rules and society in Mankala in East Africa.
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