I use tactics trainer quite a bit. I have noticed some problems that have unreasonable pass rates that are > 100%. For example, this one:
http://www.chess.com/tactics/?id=517060
That's pretty funny. No idea why except it's a new puzzle...
Also this one: http://www.chess.com/tactics/?id=518900
I use tactics trainer quite a bit. I have noticed some problems that have unreasonable pass rates that are > 100%. For example, this one:
http://www.chess.com/tactics/?id=517060