Pirc Defense

also known as: Pirc-Ufimtsev · 1...d6 & ...g6

1. e4 d6

Named after

Vasja Pirc (1907–1980), Slovenian grandmaster and five-time Yugoslav champion; Soviet master Anatoly Ufimtsev developed it independently, and eastern literature hyphenates them.

Origin

Worked out in the 1930s–40s; entered mainstream practice in the 1960s as hypermodern ideas became household tools.

The story

The Pirc invites White to take the whole center — then aims the g7 bishop and the ...e5/...c5 breaks at it. Long considered borderline insolent (Tarrasch would have fainted), it matured into a respected counterpuncher's weapon: flexible, low on forced theory, rich in transpositional tricks. Its most famous moment is also its most painful — Fischer chose it for game 17 of Reykjavík 1972, and it appeared in the fateful last game of that match, when Spassky's title ended in a Pirc.

Why it matters

The workhorse "system defense" against 1.e4: Black's setup barely changes whatever White does, which makes it beloved of players who prize understanding over memorization — and of anyone needing a fighting game against a booked-up opponent.

Notable games

• Spassky–Fischer, Reykjavík 1972 (game 21, the title-clincher)