Play the Ruy Lopez - Part 1 with GM Ivan Cheparinov

Bulgarian GM Ivan Cheparinov (2718 FIDE) recorded a 6.5-hour course, Play the Ruy Lopez - Part 1, where he handpicked the top-performing lines, and

Ivan Cheparinov player profile - ChessBase Players

All Chess Databases - Page 1

Ivan Čeparinov – Wikipedie

Caruana misses a Tal-like combination, but still wins in Round 8 of FIDE Grand Swiss - Schach-Ticker

New Developments in Ruy Lopez by GM Ivan Cheparinov

Caruana misses a Tal-like combination, but still wins in Round 8 of FIDE Grand Swiss - Schach-Ticker

USCF Armchair Warrior

Episode 162- GM Ivan Cheparinov — The Perpetual Chess Podcast

Alburt, lev & dzindzichashvili & perelshteyn chess openings for black, explained (2005)

Yearbook 135 hardcover