39 Kyu Problems

Sometimes an internal space might seem like an eye, but actually is not.

Does black have two eyes? You may play freely.

freeplay . . . . . . . . . . . . . . . . . . . . . O O O O . . . O O X X X O . . . O X . X . x O . . . O X X X X O . . . . O O O O . . . . . . . . . . . . . . . . . . . . --- color: black

Note that black must either fill the eye or play away allowing white to capture a stone. Black does not have two eyes here - one eye was a false eye.

Prevent white from forcing black to have a false eye.

static . . . . . . . . . . . . . . . . . . . . . O O O . . . . . O X X X O . . . . O X . X O . . . . O X X . X O . . . . O X X . O . . . . O O O . . . . . . . . . . . .

Both black eyes are not yet real.

problem . . . . . . . . . . . . . . . . . . . O O O O O O . . . O X X X X B O . O X O . X . X O . . A X X X X C O . . O O O O O O . . . . . . . . . . . . . . . . . . . . --- sequences: - .>A - A>B>.>C solutions: - A>B>C

Black is almost surrounded. Ensure that there will be two eyes.

problem . . X . X . . . . X X X X A O . O . . O . X X O . . . . . O O O . O . . . O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . --- sequences: - .>A solutions: - A

It is often difficult for beginners to judge whether an eye is false or real. With some practice, this can become second nature!