Exit Zen
go_ld_eyes_start_n
English
Two eyes
go_ld_eyes_start_c
English
A most common secure group is a group that has (or can always make) two eyes.
go_ld_ex_1_fg
English
Diagram
go_ld_ex_1_c
English
This black group cannot be captured.
go_ld_ex_2_fg
English
Diagram
go_ld_one_eye_ex_1_fg
English
Diagram
go_ld_one_eye_ex_1_c
English
This black group has only one eye. White can capture the group.
go_ld_one_eye_ex_1_marks_fg
English
Diagram
go_ld_one_eye_ex_1_marks_c
English
Now black has only one liberty, and white can capture black with next move.
go_ld_one_eye_c
English
One eye is not enought for living.
go_ld_making_n
English
Making two eyes
go_ld_making_ex_1_fg
English
Diagram
go_ld_making_ex_1_c
English
This black group can make eyes if its blacks turn to play. If white is to play, white can reduce the group to one eye.
go_ld_making_ex_1_eyes_c
English
If black can play first, black can make two eyes.
go_ld_making_ex_1_start_kill_c
English
The only way to prevent making two eyes is to play white 1.
go_ld_making_ex_1_no_libs_c
English
If black plays, black is left with just one liberty, and white can capture black.
go_ld_making_ex_1_no_two_c
English
Eventually black is reduced to one liberty, and white can capture black stones.
go_ld_ex_2_c
English
White cannot play to A, because white stone would not have liberties. Also white cannot play to B, because again white stone would not have liberties. So white cannot start killing at all.
go_ld_big_territory_n
English
Bigger Territories
go_ld_big_territory_c
English
Making or preventing two eyes can get very difficult. When learning it is good to play out any unclear situations. Reading out all positions can be difficult.