Click on the links to download:
| Name | Difficulty | Pages | Prob's | File size |
|---|---|---|---|---|
| Cho's enc. – Elementary | * | 77 | 900 | 112kB |
| Cho's enc. – Intermediate | ** | 78 | 861 | 112kB |
| Cho's enc. – Advanced | *** | 77 | 792 | 112kB |
| Gokyo Shumyo | *** | 55 | 520 | 105kB |
| Xuanxuan Qijing | **** | 38 | 347 | 81kB |
| Igo Hatsuyo-ron | ***** | 27 | 183 | 80kB |
UPDATE: You can now download all the books in doublepage format. This is very useful if you want to print it out. Use A4 printer, and print first half of the pages. Then turn the stack of paper upside down and print the other half of the pages. After that, just fold it all in half and you get a nice looking A5 brochure full of go problems. W00t.
Oh yeah, and here they are: Cho's elementary, Cho's intermediate, Cho's Advanced, Gokyo Shumyo, Xuanxuan Qijing and finally Igo Hatsuyo-ron.