Cyberoro archive: How to make your opponent angry!

White decided to make a handmade ponnuki in the center. It's not
a problem for Black -he must be satisfied with taking 4 corners, but ...

If you know psyhology well, you must know that it's very important to
spoil the plans of your opponent and make him angry!
Black decided to prevent his opponent from creating ponnuki!
White was shocked, and lost the game quickly!