been playing a lot of this game on my breaks, it's awesome.  it's like a fast game of chess with no board and cool looking pieces that feel like dominoes.

here it is on amazon
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you can play at this site for free, as a guest or with an ID. you can play a comp or people around the world in real time. games are usually 10 to 15 minutes
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great book on amazon written by a guy that plays there, he's very nice all the folks on the site are very helpful.
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and a kinda longish  video on youtube but helpful with rules etc.
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try it out on boardspace, i'm spacer12 on the site