He played for the Bulgarian national team at the Chess Olympiads 1992 in Manila, and 1998 in Elista.

He won the individual gold medal for his board at the 1993 Men's Chess Balkaniads.

[3] In January 2024, Leonid Ivanovic set a new record for being the youngest player to defeat a grandmaster under standard time controls.

Ivanovic defeated Popchev at the Novogodisnji rating ŠSB in Belgrade, Serbia at the age of 8 years, 11 months, and 7 days.

This biographical article relating to a Bulgarian chess figure is a stub.