问题图(黑先) 大矢:下面来学习角部的扭断。尽管这是一个可以称得上是定式的型,但能够正确应对的人却意外地少。 5段:经过图一,这次要研究的是左上角白23、25的扭断。 3段:请先稍等一下。黑12的压,好吗?是否应该像图一那样占黑1大场? 大矢:虽然黑棋是想构筑厚势,但黑12的确不急。此时可以考虑黑 Problem map (black first) Ozawa: The following to learn the corner of the twist. Although this is a type that can be regarded as a formal one, the number of people who can respond correctly is surprisingly small. 5: After a map, this time to study the upper left corner of the white 23,25 of the twist. 3 paragraphs: Please wait a moment. Black 12 pressure, okay? Should it take a black field like the one shown in Figure 1? Ozawa: Although Black is trying to build momentum, but Black is indeed in no hurry. At this point you can consider black