Double check (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Double check" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

archive.org (Global: 6^th place; English: 6^th place)

Hooper, David; Whyld, Kenneth (1992), The Oxford Companion to Chess (second ed.), Oxford University Press, p. 113, ISBN 0-19-866164-9