Attacking Big Shimaris
24:50
Dealing with 3-3 invasions
16:41
Sabaki starts with a Tsuke
35:38
28th LG CUP THE DECISIVE GAME Byun Sangil 9P vs Shin Jinseo 9P
11:48
Attaching inside the 2-space Shimari
10:31
The Mysterious Koide Equation
38:47
My First Game of the Year
17:47
Heron's formula (example and proof)
27:25