学会分辨稳固的眼和看似有眼实则有断点的假眼
在围棋中，眼是一方棋子围住的空交叉点。你可以把它想象成一座小房子——你的棋子是围墙，围住了中间的一块空地。有了眼，你的棋子就像有了安全的庇护所，对方再也吃不掉它们了。
但眼也有真假之分！有的眼坚不可摧，是真眼；有的眼看似安全，实际上有漏洞，是假眼。学会分辨真假眼，是围棋中非常重要的技能。
眼可以出现在棋盘的不同位置，位置不同，需要的棋子数量也不同：
下面三个例子分别展示了角上、边上和中间的真眼。注意观察：眼位周围的所有己方棋子都是连在一起的，没有断点。
角(0,0)为空，(0,1)和(1,0)为黑子，且通过(1,1)相连。三颗黑子是一个整体，围住了一个真眼。
边线上 (0,2) 为空，三面墙 (0,1)、(0,3)、(1,2) 都是黑子，且全部连通（通过 (1,1)、(1,3) 串成一片）。这是一个真眼。
中间(2,2)为空，四边都是黑子且全部连通。这是最典型的真眼。
假眼看起来也像眼，但仔细一看就会发现：眼位周围的棋子没有全部连通，存在断点。对方可以通过叫吃断点，把假眼填掉！
角(0,0)为空，但(0,1)和(1,0)中有一颗是白子。黑子没有两边都围住，这是一个假眼。
边线上 (0,2) 为空，但下面的墙 (0,3) 还没有黑子，三面墙缺了一面，是假眼。
中间(2,2)为空，但(2,3)这一边没有黑子，而且上方黑子与右侧没有连通。这是一个假眼。
请判断下面 A、B、C、D 四个眼是真眼还是假眼。如果是真眼请在心里打"√"，假眼打"×"。
请判断下面左右两块黑棋的眼位是真眼还是假眼。
现在你已经学会了分辨真假眼，试着在棋盘上给自己做一个真眼吧！记住口诀：
做眼是围棋中非常重要的技术。有了自己的真眼，棋子就活了——对方再也吃不掉它们啦！
你也可以打开首页的战术训练，通过互动题目练习做眼的技巧。
In Go, an eye is an empty intersection surrounded by one player's stones. Think of it as a little house — your stones are the walls enclosing a safe open space in the middle. With an eye, your stones have a secure shelter, and the opponent can never capture them.
But eyes can be true or false! Some are indestructible — true eyes. Others only look safe but have a weak point — false eyes. Learning to tell them apart is a crucial Go skill.
Eyes can appear in different positions on the board. The position determines how many stones you need:
Below are three examples of true eyes in the corner, edge, and center. Notice that all the surrounding stones are connected in one solid group with no gaps.
Corner (0,0) is empty. (0,1) and (1,0) are Black, connected through (1,1). Three Black stones form a solid group — a true eye.
Edge point (0,2) is empty. The three walls (0,1), (0,3), (1,2) are all Black and connected through (1,1) and (1,3). A true eye.
Center (2,2) is empty. All four sides are Black and connected. The classic true eye.
False eyes look like eyes at first glance, but if you look closely, the surrounding stones are not all connected — there is a cutting point. The opponent can atari that point and fill the eye!
Corner (0,0) is empty, but (0,1) and (1,0) are not both Black. Only one side is protected. A false eye.
Edge point (0,2) is empty, but the wall below at (0,3) has no Black stone — one of the three walls is missing. A false eye.
Center (2,2) is empty, but (2,3) has no Black stone. There is a gap on one side. A false eye.
Look at the four positions A, B, C, and D below. Is each a true eye (✓) or a false eye (✗)?
Look at the two Black groups below. Is each eye true or false?
Now that you know how to tell true eyes from false ones, try making a true eye for yourself on the board! Remember the mantra:
Making eyes is one of the most important skills in Go. Once you have true eyes, your stones are alive — the opponent can never capture them!
You can also open the Tactics Training on the homepage to practice making eyes interactively.