Tsumego From Games 6

 

In the 2002 Belgian Championships, I was leading against Mr. Wong. Although the black group in this diagram was surrounded on a large scale, White could only make an L group: White a to Black f keep White to one eye. Black has enough liberties to capture the L-group.

 

To , I carelessly replied at . made miai of life at a or connecting in ko at b. This was rather a dramatic turn of events, because if the corner lives, the surrounding black group is unsettled.