问题图(黑先):根据双方最佳次序,回答哪一方获胜。×印为提子。 图一(挡后的变化) 黑1在白空中挡下是正解。由于白2只能吃住黑子,所以,黑3可先手阻止白棋的飞入。 将本图与下图比较一下,就可看出黑1的必要性。 图二(失败) 黑1若单尖,则白2应后,白空增加1目。请诸位自行确认。 (?)图黑棋失败 Problem chart (black first): According to the best order of both, answer which side wins. × printed as raisins. Figure 1 (change after the block) Black 1 in the white air block is a positive solution. As White 2 can only eat sunshade, so Black 3 can first stop White’s flight. Compare the figure with the figure below, we can see the necessity of the black one. Figure 2 (failure) If black 1, then white 2 should be after the increase of 1 white head. Please confirm your own. (?) Figure black chess failed