问题图(取材于韩国第25期霸王战挑战赛五番胜负第三局,由霸王曹薰铉九段执黑对挑战者吴圭喆三段)：白1至5补成漂亮的好形,黑6渡过,大且厚实。白7如省略,将遭到黑方在7位一带强攻。当前局面轮黑下棋,请爱好者为黑方找到绝好之点。实战经过图：对于黑7夹击,白8、10选择了正面应战。参考图一：白1弃子转身是值得推荐的一策。因为在有白1的情况下,再被白棋于A Problem diagram (based on the 25th Battle of South Korea Challenger fifth victory over the third inning, by Cao Cao Xuan Hyun nine black on the challenger Wu Guizhe three sections): white 1 to 5 make up a good shape, Black 6 to spend Big and thick. If omitted, White 7 will be stormed by Black on the 7th. The current situation turns black playing chess, please lovers find the perfect black point. After the actual map: For the black 7 attack, white 8,10 chose a positive battle. Refer to Figure 1: White 1 abandoned child turn is recommended a strategy. Because in the case of a white 1, then White was in A