Quesrtions about gambling

I heard that Han Solo won fair and square against Lando Calrissian for the Millenium Falcon in a sabacc game. What exactly is sabacc?

enjoy!
http://www.mavrinac.com/projects/sabacc/

"Whenever you gamble my friend, eventually you lose..."

QGJ

And are SW craps based upon only two colors on the die?