Domineering
Players: Two - Also known as: Crosscram, Stop-Gate
The players take turns linking pairs of dots on a grid. The first player unable to move loses.
Description
The game is played on a matrix of dots.
The players take turns in linking a pair of adjacent dots. The first player, Blue, always makes a vertical link, and the other player, Red, always makes a horizontal link. No dot can be linked more than once.
The first player unable to move loses.
Example
In the following game Red is unable to move, and so loses:

Other topics
Other games like Domineering: Cram