Petko A. Petkov (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Petko A. Petkov" in Italian language version.

refsWebsite

Global rank Italian rank

low place

low place

low place

low place

1web.archive.org

1^st place

1^st place

fakti.bg

https://fakti.bg/sport/903940--otide-si-golam-balgarski-shahmatist

selivanov.ru

Hannu Harkola: Handbook of Chess Composition Archiviato il 16 marzo 2014 in Internet Archive. (p. 55)

web.archive.org

Hannu Harkola: Handbook of Chess Composition Archiviato il 16 marzo 2014 in Internet Archive. (p. 55)