| * | False eyes | |
| Shapes that resemble eyes but are not real eyes are called 'false eyes'. Dia. 1. Black has two proper eyes and is alive. Dia. 2. This shape resembles Dia. 1, but the eye on the left is a false eye. |
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| Dia. 1: Black has two eyes and is alive | Dia. 2: Black has a false eye and is dead | |
| Dia. 2A. The three marked black stones are in atari, so White can capture with 1. Dia. 2B. If it is Black's turn to play, he may try to save the three stones by connecting at 1, but his whole group has only one eye, so it is dead. |
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| Dia. 2A | Dia. 2B | |
| * | False eyes 2 | |
| Dia. 3. Black has two proper eyes and is alive. Dia. 4. This shape is similar, but the eye on top is a false eye, so Black is dead. As Dia. 4A shows, the three stones are in atari, so Black has only one eye. |
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| Dia. 3: Black has two eyes and is alive | Dia. 4: Black has a false eye and is dead | |
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| Dia. 4A | ||
| * | Let's compare life and death | |
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| Dia. 5A: Black is alive | Dia. 5B: Black is dead | |
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| Dia. 6A: Black is alive | Dia. 6B: Black is dead | |
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| Dia. 7A: Black is alive | Dia. 7B: Black is dead | |
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| Dia. 8A: Black is alive | Dia. 8B: Black is dead | |