This blog is about things in which I'm interested. The my main interesting fields are,
- Natural Philosophy including Mathematics, Physics, Chemistry, etc. and Applied Science
- Board Game including Chess, Baduk(also called Go or Weiqi), etc. and Interesting Puzzles
- Music and Art Drawings.
dchz is my tistory nickname. Do not confuse me with another user. I also use this nickname in Art of Problem Solving and Mathematics Stack Exchange. My email address is firstname.lastname@example.org.