Thank you. The reason why I look for UCI only is my application which cannot load WB engines. At least I found UCI Vajolet. Any other UCI engines that are weaker? Yet they should not blunder pieces with each move like e.g. ACE 0.1 does.

I am looking for UCI engines that play on human blitz level approximatey Elo 1400, 1600, 1800 and 2000. They should play on such levels in their standard version, means without changing params. Please note that computer blitz elos like 1600 cannot be compared to human blitz elos. I guess a computer ...