Joseki
What happens when your star-point corner is approached or invaded at 3-3: the main ideas behind the answers, who gets territory and who gets influence.
Openings
How the 13×13 Go opening works: taking corners, approaching and enclosing, extending along the sides and moving smoothly from 9×9 to the full 19×19 board.
Openings
Why the same number of stones surrounds far more territory in the corner than on the side or in the centre, with simple counts you can check on any board.
Life and Death
The corner is the easiest place to live and the trickiest place to read. How corner groups make eyes, why shapes behave differently there, and habits that keep
Joseki
The 3-4 point corner in Go: why it invites an enclosure, what the small knight approach aims for, and the main answers Black can choose from, explained by ideas