# {{cite web | last =|url=http://www.advancechess.com/about |title=Our Coaches |author= |date= |website=http://www.advancechess.com/ |publisher=ADVANCE CHESS LLC |language=en |accessdate= |archiveurl =https://web.archive.org/web/20210520192711/http://www.advancechess.com/about |archivedate =20 May 2021 |ref = harv}} | # {{cite web | last =|url=http://www.advancechess.com/about |title=Our Coaches |author= |date= |website=http://www.advancechess.com/ |publisher=ADVANCE CHESS LLC |language=en |accessdate= |archiveurl =https://web.archive.org/web/20210520192711/http://www.advancechess.com/about |archivedate =20 May 2021 |ref = harv}} |