ECO family guide

French Defense — all variations and ECO codes

212 named lines across 20 ECO codes (C00–C19). Source: the CC0-licensed lichess.org opening database.

The main line

How the main line scores at your rating

Real Lichess win rates for 1.e4 e6, playing as black — the family's other variations are not separately tracked for win rate yet, main line only.

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All 212 named variations

Every named line in the French 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.

• C00French Defense (main line) — 1.e4 e6
• C00French Defense (main line) — 1.e4 e6 2.d4 d5
• C00Alapin Gambit — 1.e4 e6 2.d4 d5 3.Be3
• C00Baeuerle Gambit — 1.e4 e6 2.d4 b5
• C00Banzai-Leong Gambit — 1.e4 e6 2.b4
  • C00Pinova Gambit — 1.e4 e6 2.b4 Bxb4 3.e5
• C00Bird Invitation — 1.e4 e6 2.Bb5
• C00Carlson Gambit — 1.e4 e6 2.d4 d5 3.Nf3 dxe4 4.Ne5
• C00Chigorin Variation — 1.e4 e6 2.Qe2
• C00Diemer-Duhm Gambit — 1.e4 e6 2.d4 d5 3.c4
• C00Diemer-Duhm Gambit Accepted — 1.e4 e6 2.d4 d5 3.c4 dxe4
• C00Franco-Hiva Gambit — 1.e4 e6 2.d4 f5
• C00Franco-Hiva Gambit Accepted — 1.e4 e6 2.d4 f5 3.exf5
• C00Franco-Sicilian Defense — 1.e4 e6 2.d4 c5
• C00Hoffmann Gambit — 1.e4 e6 2.d4 d5 3.Qe2 e5 4.f4 exf4
• C00Horwitz Attack — 1.e4 e6 2.b3
  • C00Papa-Ticulat Gambit — 1.e4 e6 2.b3 d5 3.Bb2
• C00King's Indian Attack — 1.e4 e6 2.d3
  • C00Franco-Hiva Gambit — 1.e4 e6 2.d3 f5
• C00Knight Variation — 1.e4 e6 2.Nf3
  • C00Franco-Hiva Gambit — 1.e4 e6 2.Nf3 f5
• C00La Bourdonnais Variation — 1.e4 e6 2.f4
  • C00Reuter Gambit — 1.e4 e6 2.f4 d5 3.Nf3 dxe4
• C00Mediterranean Defense — 1.e4 e6 2.d4 Nf6
• C00Morphy Gambit — 1.e4 e6 2.d4 d5 3.Nh3
• C00Normal Variation — 1.e4 e6 2.d4
• C00Orthoschnapp Gambit — 1.e4 e6 2.c4 d5 3.cxd5 exd5 4.Qb3
• C00Pelikan Variation — 1.e4 e6 2.Nc3 d5 3.f4
• C00Perseus Gambit — 1.e4 e6 2.d4 d5 3.Nf3
• C00Queen's Knight — 1.e4 e6 2.Nc3
• C00Reversed Philidor Formation — 1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.Be2
• C00Réti-Spielmann Attack — 1.e4 e6 2.g3
• C00Schlechter Variation — 1.e4 e6 2.d4 d5 3.Bd3
• C00St. George Defense — 1.e4 e6 2.d4 a6
  • C00Sanky-George Gambit — 1.e4 e6 2.d4 a6 3.c4 b5
  • C00St. George Gambit — 1.e4 e6 2.d4 a6 3.c4 b5 4.cxb5 axb5
  • C00Three Pawn Attack — 1.e4 e6 2.d4 a6 3.c4
  • C00Traditional Line — 1.e4 e6 2.d4 a6 3.Nf3 b5 4.Bd3 c5 5.c3 Bb7 6.O-O Nf6
• C00Steiner Variation — 1.e4 e6 2.c4
• C00Steinitz Attack — 1.e4 e6 2.e5
• C00Two Knights Variation — 1.e4 e6 2.Nf3 d5 3.Nc3
• C00Wing Gambit — 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4
• C01Exchange Variation — 1.e4 e6 2.d4 d5 3.exd5
  C01Exchange Variation — 1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nf3
  C01Exchange Variation — 1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3
  • C01Bogoljubow Variation — 1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5 Nc6
  • C01Monte Carlo Variation — 1.e4 e6 2.d4 d5 3.exd5 exd5 4.c4
  • C01Svenonius Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5 exd5 5.Bg5
• C02Advance Variation — 1.e4 e6 2.d4 d5 3.e5
  C02Advance Variation — 1.e4 e6 2.d4 d5 3.e5 c5
  C02Advance Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3
  C02Advance Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6
  • C02Euwe Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7
  • C02Extended Bishop Swap — 1.e4 e6 2.d4 d5 3.e5 Bd7
  • C02Frenkel Gambit — 1.e4 e6 2.d4 d5 3.e5 c5 4.b4
  • C02Kupreichik Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Be3
  • C02Lputian Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 Nh6
  • C02Main Line — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3
  • C02Milner-Barry Gambit — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3
    • C02Hector Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.O-O
      C02Hector Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.O-O Bd7 8.Re1
    • C02Main Line — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.cxd4 Bd7 8.O-O
    • C02Sørensen Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.cxd4 Bd7 8.O-O Nxd4 9.Ng5
  • C02Nimzowitsch Attack — 1.e4 e6 2.d4 d5 3.e5 c5 4.Qg4
  • C02Nimzowitsch Gambit — 1.e4 e6 2.d4 d5 3.e5 c5 4.Qg4 cxd4 5.Nf3
  • C02Nimzowitsch System — 1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3
  • C02Paulsen Attack — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3
  • C02Ruisdonk Gambit — 1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3 cxd4 5.Bd3
  • C02Steinitz Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.dxc5
  • C02Wade Variation — 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7
• C03Tarrasch Variation — 1.e4 e6 2.d4 d5 3.Nd2
  • C03Guimard Defense — 1.e4 e6 2.d4 d5 3.Nd2 Nc6
    • C03Thunderbunny Variation — 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.c3 dxe4 5.Nxe4 e5
    • C04Main Line — 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6
  • C03Haberditz Variation — 1.e4 e6 2.d4 d5 3.Nd2 f5
  • C03Modern System — 1.e4 e6 2.d4 d5 3.Nd2 a6
  • C03Morozevich Variation — 1.e4 e6 2.d4 d5 3.Nd2 Be7
  • C05Botvinnik Variation — 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 b6
  • C05Closed Variation — 1.e4 e6 2.d4 d5 3.Nd2 Nf6
    C05Closed Variation — 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6
    • C06Main Line — 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4
  • C05Pawn Center Variation — 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4
  • C06Leningrad Variation — 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 Nb6
  • C07Chistyakov Defense — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5
    • C07Modern Line — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd6 7.O-O Nf6 8.Nb3 Nc6 9.Nbxd4 Nxd4 10.Nxd4 a6
  • C07Eliskases Variation — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8
  • C07Open System — 1.e4 e6 2.d4 d5 3.Nd2 c5
    C08Open System — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5
    • C07Euwe-Keres Line — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3
    • C07Shaposhnikov Gambit — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Nf6
    • C07Süchting Line — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.c3
    • C08Advance Line — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 c4
    • C09Main Line — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6
      C09Main Line — 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 Bd6 7.dxc5 Bxc5 8.O-O Ne7 9.c3
• C10Hecht-Reefschläger Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nc6
• C10Marshall Gambit — 1.e4 e6 2.d4 d5 3.Nc3 c5
• C10Paulsen Variation — 1.e4 e6 2.d4 d5 3.Nc3
• C10Rubinstein Variation — 1.e4 e6 2.d4 d5 3.Nc3 dxe4
  • C10Blackburne Defense — 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7
  • C10Capablanca Line — 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5
  • C10Ellis Gambit — 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 e5
  • C10Fort Knox Variation — 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6
  • C10Kasparov Attack — 1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.c3
  • C10Maric Variation — 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Qd5
• C11Classical Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6
  C11Classical Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5
  C13Classical Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7
  C14Classical Variation — 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.Bg5
  C14Classical Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7
  • C11Burn Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4
    • C11Main Line — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 Bxf6 7.Nf3 O-O
    • C11Morozevich Line — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 gxf6
  • C11Delayed Exchange Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5
  • C11Shirov-Anand Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Nce2
  • C11Steinitz Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5
    C14Steinitz Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4
  • C11Swiss Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bd3
  • C13Frankfurt Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6
  • C13Normal Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7
  • C13Richter Attack — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6
    C13Richter Attack — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 Bxf6 6.e5 Be7 7.Qg4
  • C13Tartakower Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4
  • C13Vistaneckis Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8
  • C14Alapin Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Nb5
  • C14Pollock Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qg4
  • C14Rubinstein Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qd2
  • C14Stahlberg Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 O-O 8.Nf3 c5 9.Qd2 Nc6 10.O-O-O c4
  • C14Tarrasch Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Bd3
• C11Henneberger Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Be3
• C11Steinitz Variation — 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7
  C11Steinitz Variation — 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.a3
  C11Steinitz Variation — 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.Ne2
  C11Steinitz Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6
  C11Steinitz Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3
  • C11Boleslavsky Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3
  • C11Bradford Attack Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Bxc5 7.Qg4
  • C11Brodsky-Jones Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 7.a3 Bxc5 8.Qg4 O-O 9.Nf3 f6
  • C11Gledhill Attack — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Qg4
• C12McCutcheon Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4
  • C12Advance Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5
  • C12Bernstein Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bh4
  • C12Bogoljubow Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.exd5 Qxd5 6.Bxf6 gxf6 7.Qd2 Qa5
  • C12Chigorin Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6
  • C12Dr. Olland Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bc1
  • C12Duras Variation — 1.e4 e6 2.Nc3 d5 3.d4 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 Kf8 9.Bc1
  • C12Exchange Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.exd5
  • C12Grigoriev Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6 hxg5 7.fxg7 Rg8 8.h4 gxh4 9.Qg4
  • C12Janowski Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Be3
  • C12Lasker Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3
    C12Lasker Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 g6
  • C12Tartakower Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Nfd7
  • C15Wolf Gambit — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 Nf6 5.Bg5
• C13Alekhine-Chatard Attack — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4
  • C13Albin-Chatard Gambit — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 Bxg5 7.hxg5 Qxg5
  • C13Breyer Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 c5
  • C13Maróczy Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6
  • C13Spielmann Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 O-O
  • C13Teichmann Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 f6
• C15Winawer Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4
  • C15Alekhine Gambit Accepted — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Bxc3+

  • Alekhine Gambit

    • C15Alatortsev Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Be7 6.Nxe4 Nf6 7.N2g3 O-O 8.Be2 Nc6
    • C15Kan Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Bxc3+ 6.Nxc3 Nc6
  • C15Alekhine-Maróczy Gambit — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2
  • C15Delayed Exchange Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.exd5

  • Exchange Variation

    • C15Canal Attack — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.exd5 exd5 5.Bd3 Ne7 6.Qh5
  • C15Fingerslip Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2
    • C15Kunin Double Gambit — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 dxe4 5.Qg4 Qxd4
    • C15Main Line — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 dxe4 5.Qg4 Nf6 6.Qxg7 Rg8 7.Qh6
    • C15Schwarz's Line — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 Ne7 5.Nb1
  • C15Kondratiyev Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd3 c5 5.exd5 Qxd5 6.Bd2
  • C15Winckelmann-Reimer Gambit — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 dxe4 6.f3
  • C16Advance Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5
    C17Advance Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5
    C17Advance Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3
    C17Advance Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 cxd4 6.axb4 dxc3 7.Nf3
    C18Advance Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3
    C18Advance Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7
    • C17Moscow Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Qg4
    • C18with Bd3 — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Bd3
      C18with Bd3 — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Bd3 Qc7
    • C18with h4 — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.h4
      C18with h4 — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.h4 Qc7
    • C19Smyslov Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Ne7 5.a3 Bxc3+ 6.bxc3 c5 7.a4
      C19Smyslov Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Ne7 5.a3 Bxc3+ 6.bxc3 c5 7.a4 Qc7
  • C16Petrosian Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Qd7
  • C17Bogoljubow Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Bd2
    • C17Icelandic Defense — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Bd2 Ne7 6.f4
  • C17Maróczy-Wallis Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 cxd4 6.axb4 dxc3
  • C17Retreat Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5
    • C17Armenian Line — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4
  • C18Classical Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7
  • C18Eingorn Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Kf8
  • C18Poisoned Pawn Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7
    C18Poisoned Pawn Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 cxd4 8.Qxg7
    C18Poisoned Pawn Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 cxd4 8.Qxg7 Rg8 9.Qxh7 Nbc6
    • C18Main Line — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7 8.Qxg7 Rg8 9.Qxh7 cxd4 10.Ne2
    • C18Paoli Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7 8.Qxg7 Rg8 9.Qxh7 cxd4 10.Kd1
  • C18Poisoned Pawn Variation Declined — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7 8.Bd3
  • C18Portisch-Hook Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qa5
  • C18Warsaw Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 O-O
  • C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3 Qa5 9.Qd2
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3 Qa5 9.Qd2 Bd7
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3 Qa5 9.Bd2
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3 Qa5 9.Bd2 Bd7
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3 Qa5 9.Bd2 c4
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Nc6 7.Nf3 Nge7
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Qc7
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Qc7 8.h4
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Bd3 Nbc6 8.Nf3
    C19Positional Variation — 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Nc6 7.Nf3 Qa5 8.Bd2 Nge7

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