EVENT
BOARDSIZE 19
SETUP W D16 D4 
SETUP B Q16 Q9 Q3 
MARK 2@D16 4@D4 1@Q16 5@Q9 3@Q3
COM
Problem 3. White to play.  

Black has played the high version of the Chinese opening with
5. How should White respond to this move ? 
ENDCOM
W 1 K4
USER
CORRECT ANSWER
ENDUSER
COM
Correct Answer.

White 1 and ...
ENDCOM
  VAR
  W 1 O17
  USER
  CORRECT ANSWER
  ENDUSER
  COM
  Correct Answer.

  White 1 is also possible.
  ENDCOM
  B 2 Q14
  COM
  In response, Black will respond with 2.
  ENDCOM
  W 3 K16
  COM
  White will then play on the side star point with 3.
  <=
  ENDCOM
  ENDVAR
B 2 K16
W 3 D10
MARK B@Q5 A@R14 1@K4
COM
... 3 are the standard responses. It is not a good idea for White
to play 1 at A or B without any preparatory moves. Whether Black
has played the low ore high version of  the Chinese opening,
White 1 is still the correct move.
<=
ENDCOM