EVENT
BOARDSIZE 19
SETUP W D17 D3 C4 C5 Q5 R6 Q7 R11 
SETUP B D5 C6 D7 Q3 R4 R5 O3 R16 P17 
COM
Problem 102. White to play.  

A basic joseki is in progress in the lower left corner. Should
White complete this joseki or is there something else she should
do ? 
ENDCOM
W 1 C14
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

White should make a corner enclosure with 1 and ...
ENDCOM
  VAR
  W 1 F3
  MARK \t@O3
  COM
  Failure.

  With the marked black stone in place, playing the joseki with
  White 1 is not very efficient.
  ENDCOM
  B 2 C15
  MARK A@C14
  COM
  Black can now seize the initiative on the left side with an approach
  move at 2 or A. You should never blindly follow a joseki without
  looking at the whole board.
  <=
  ENDCOM
  ENDVAR
B 2 E3
COM
... let Black attach with 2.
ENDCOM
W 3 E2
B 4 D4
W 5 C2
B 6 F3
W 7 F2
COM
White will secure her stones in the lower left corner with the
sequence to 7.
ENDCOM
B 8 G3
COM
Black makes a thick position on the outside with 8, but ...
ENDCOM
W 9 N6
COM
... this thickness is neutralised when White jumps to 9.
<=
ENDCOM