ECO family guide

Pirc Defense — all variations and ECO codes

28 named lines across 4 ECO codes (B00–B09). Source: the CC0-licensed lichess.org opening database.

The main line

Position after 1.e4 d6 (B00). Open this line on Lichess → · Pirc Defense on Lichess

How the main line scores at your rating

Real Lichess win rates for 1.e4 d6, playing as black — the family's other variations are not separately tracked for win rate yet, main line only.

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Win/draw/loss rate by rating band
Rating band	Games	White / draw / Black	Score for black
1400-1600	17,419,203	49.7% / 3.9% / 46.4%	48.4%
1600-1800	20,936,283	49.1% / 4.1% / 46.8%	48.8%
1800-2000	20,771,628	48.6% / 4.5% / 47.0%	49.2%
2000+	17,692,141	48.5% / 5.4% / 46.0%	48.8%

All 28 named variations

Every named line in the Pirc Defense family, from the CC0-licensed ECO classification — not separately tracked for win rate, but every ECO code and move sequence is real, sourced data.

B00Pirc Defense (main line) — 1.e4 d6
B00Pirc Defense (main line) — 1.e4 d6 2.d4
B00Pirc Defense (main line) — 1.e4 d6 2.d4 Nf6
B07Pirc Defense (main line) — 1.e4 d6 2.d4 Nf6 3.Nc3 g6
B00Roscher Gambit — 1.e4 d6 2.d4 Nf6 3.Nf3
B07150 Attack — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd2
- B07Inner Doll Defense — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd2 Bg4
- B07Sveshnikov-Jansa Attack — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.h3
B07Bayonet Attack — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.h4
B07Byrne Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5
B07Chinese Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.g4
B07Kholmov System — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bc4
B07Sveshnikov System — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3
B08Classical Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3
B08Classical Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7
- B08Quiet System — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2
  - B08Chigorin Line — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6
  - B08Czech Defense — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6
  - B08Parma Defense — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Bg4
- B08Schlechter Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3
B09Austrian Attack — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4
B09Austrian Attack — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O
- B09Dragon Formation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5
- B09Kurajica Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be3
- B09Ljubojevic Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Bc4
- B09Unzicker Attack — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5
  - B09Bronstein Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5 Nfd7 7.h4
- B09Weiss Variation — 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3