Igo Hatsuyōron 120 Professional Solution Research History Theory Beneath the surface of the most difficult problem ever Thomas Redecker |
Igo Hatsuyōron 120 Professional Solution Research History Theory Beneath the surface of the most difficult problem ever Thomas Redecker |
Great works are performed, not by strength, but by perseverance; Samuel Johnson, 1709 - 1784 According to Japanese customs and the usual order in East Asia with names of persons, (c) 2015 - 2022, Thomas Redecker, Berlin, Germany. All rights reserved. |