Igo Hatsuyoron problem 120 : the most difficult problem ever
| Information | |
|---|---|
| Title: | Igo Hatsuyoron problem 120 : the most difficult problem ever | 
| Author: | compiled by Thomas Redecker | 
| Publisher: | CIDS | 
| Year of issue: | 2009 | 
| Country: | GG | 
| City: | |
| ISBN: | |
| Tome/Volume: | |
| Issue: | |
| Page: | 144 p | 
| Annotation: | With a cd with the same title. | 
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