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Castel GO • La capture
Page 1 sur 1

La capture

Posté : sam. 4 juin 2016 15:26
par Meinfist
Bonjour à tous!

Nous allons parler ici de la capture! Le but de ce cours est de comprendre comment capturer des pierres, mais aussi comment se protéger d'une capture!

Tout d'abord, sachez qu'une pierre possède ce qu'on appelle des libertés qui sont au nombre de 4. Une fois toutes ces libertés occupées par des pierres adversaires, la pierre est capturée. Voici un petit schéma illustrant ceci:

Comme vous pouvez le voir sur l'illustration, la pierre noire de gauche a 4 libertés symbolisées par des triangles. La pierre noire de droite en revanche a 3 de ses libertés occupés par des pierres blanches. Cette pierre n'a donc plus qu'une seule liberté représentée par le triangle. Si blanc prend la dernière liberté de la pierre noire, celle-ci sera capturée.

Maintenant, si noir veut sauver sa pierre noir, que doit-il faire à votre avis? Vous avez trouvé? Noir doit jouer une pierre sur sa dernière liberté. Ainsi, la pierre noire possédera 3 liberté au lieu d'une! Voici une illustration pour vous montrer ça en image:

Comme vous pouvez le voir sur le diagramme, la pierre noire a maintenant 3 libertés représentées par des triangles. Si blanc veut manger noir, il devra donc prendre ces 3 libertés. Les deux pierres noires étant collées l'une à l'autre, on dit qu'elles sont "connectées" et qu'elles forment "un groupe" de deux pierres.

Attention cependant, une pierre posée sur la première ligne du bord n'a que 3 libertés et une pierre posée dans le coin sur la première intersection n'en a que deux!



Exercices

Voici quelques exercices pour vous, n’hésitez pas à poster un message ici pour nous donner votre réponse, nous vous dirons si vous avez bon ou non :)

Combien de libertés possède le groupe noir appelé A?



Où dois jouer blanc pour manger le groupe noir A? Plusieurs coups peuvent être joués.