Sai1029/sai1029's fun fun problem

The following I would like to share is the interesting game play that I did during some of the game.

2/10/09 sai1029 1k(w)against avispaym 2k(b) komi 0.5

w connects part of the dragon, but...  

tries to connect, but and cut. anyway to save white? (tesuji problem)

For Attempts/Solution, see: Tsumego From Games 116

2/10/09 sai1029 1k (w)against won 2k (b) komi 0.5

L2 is a trick move, also assume w has ladder  

B is trying to kill the whole w group down there  

How can white save these stones?  

For Attempts/Solution, see: Tsumego From Games 117

12/25/08 sai1029 1k(b)against harrimanez 1k(w) komi 6.5

11 is a fatal mistake of w, how should b punish  

the tenuki at 4 destorys w himself, how?  

For Attempts/Solution, see: Tsumego From Games 118