This is the second game of the semifinal match between Lee Sedol 9p and Choi Cheolhan 9p at the 17th Samsung Cup (2012).The semifinals of the Samsung Cup are played as a best of three match.Lee Sedol won the first game, so if he wins this one he'll proceed to the final. At the time when this game was played, Lee Sedol was ranked #2 in Korea (behind Park Junghwan) and Choi Cheolhan was ranked #3.In the quarter finals, Lee beat Chen Yaoye and Choi beat Fan Tingyu. Lee and Choi have played 42 games together so far, and their head to head record stands at 25-17 in Lee's favor.