Have a look at Spreadcoin:
https://bitcointalk.org/index.php?topic=715435.0

No Gpu, No Pools, Just Solo CPU mining ftw.

Thanks for sharing, but the algo is x11?

Yup, it's a modified X11, dev calls it Spread X11.
Here's the whitepaper:
http://spreadcoin.net/files/SpreadCoin-WhitePaper.pdf

And here is a spreadcoin vs bitcoin comparison in terms of features:
http://spreadcoin.net/features.php

Also, here are some hashrate examples:
https://docs.google.com/spreadsheets/d/1CPPTYMsdIdEYpwJ-hRfvUVBYHBeySUOH2HV8InXmQwM/edit#gid=0