London System

The London System is a solid, flexible opening for White based on 1.d4 followed by Bf4 and Nf3, building a sturdy pawn structure on d4 and e3. It avoids sharp theory and aims for a stable middlegame where White develops methodically, controls the center, and targets the kingside.

  • Variations: 31
  • Total lines: 60
  • Winrate: 52.6%

Main lines

  • London System: 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nc3 O-O 5.Qd2 d6 6.Bh6 Nbd7 7.h4
  • London System: 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nc3 O-O 5.Qd2 d6 6.Bh6 Nc6 7.Bxg7
  • London System: 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nc3 O-O 5.Qd2 d6 6.Bh6 c5 7.Bxg7
  • London System: 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nc3 O-O 5.Qd2 d6 6.Bh6 Bg4 7.Bxg7
  • Queen's Pawn Game: London System: 1.d4 d5 2.Nf3 Nf6 3.Bf4 Bf5 4.e3 e6 5.c4 c6 6.Qb3
  • Queen's Pawn Game: London System: 1.d4 d5 2.Nf3 Nf6 3.Bf4 Bf5 4.e3 e6 5.c4 Bd6 6.Bg3
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 Nf6 3.Bf4 e6 4.e3 Bd6 5.Bg3 O-O 6.Nbd2
  • Queen's Pawn Game: Zukertort Variation: 1.d4 d5 2.Nf3 Bf5 3.Bf4 e6 4.e3 Bd6 5.Bg3 Bxg3 6.hxg3
  • London System: 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nc3 O-O 5.Qd2 d5 6.Bh6
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 e6 3.Bf4 Bd6 4.Bg3 Bxg3 5.hxg3 Nc6 6.e3
  • London System: 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nc3 d6 5.Qd2 Nbd7 6.e4
  • Queen's Pawn Game: London System: 1.d4 d5 2.Nf3 Nf6 3.Bf4 e6 4.e3 c5 5.c3 Nc6 6.Nbd2
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 e6 3.Bf4 Bd6 4.Bg3 Bxg3 5.hxg3 Nf6 6.e3
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 e6 3.Bf4 Bd6 4.Bg3 Bxg3 5.hxg3 h6 6.e3
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 e6 3.Bf4 Bd6 4.Bg3 Nf6 5.e3
  • Queen's Pawn Game: London System: 1.d4 d5 2.Nf3 Nf6 3.Bf4 Nc6 4.e3 e6 5.c3
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 e6 3.Bf4 c5 4.e3 Nc6 5.c3
  • Queen's Pawn Game: Zukertort Variation: 1.d4 d5 2.Nf3 Bf5 3.Bf4 e6 4.e3 c5 5.Bxb8
  • Queen's Pawn Game: Chigorin Variation: 1.d4 d5 2.Nf3 Nc6 3.Bf4 Bf5 4.e3 Nf6 5.Bb5
  • Queen's Pawn Game: Chigorin Variation: 1.d4 d5 2.Nf3 Nc6 3.Bf4 Bf5 4.e3 e6 5.Bb5
  • Queen's Pawn Game: London System: 1.d4 d5 2.Nf3 Nf6 3.Bf4 c5 4.e3 Nc6 5.c3
  • Queen's Pawn Game: Chigorin Variation: 1.d4 d5 2.Nf3 Nc6 3.Bf4 Bf5 4.e3 Nb4 5.Na3
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 e6 3.Bf4 c5 4.e3 cxd4 5.exd4
  • Queen's Pawn Game: London System: 1.d4 d5 2.Nf3 Nf6 3.Bf4 Nc6 4.e3 Bg4 5.Nbd2
  • Queen's Pawn Game: London System, with e6: 1.d4 d5 2.Nf3 Nf6 3.Bf4 e6 4.e3 Be7 5.Bd3
  • Horwitz Defense: 1.d4 e6 2.Nf3 c5 3.Bf4 cxd4 4.c3 dxc3 5.Nxc3
  • Queen's Pawn Game: Chigorin Variation: 1.d4 d5 2.Nf3 Nc6 3.Bf4 Bg4 4.e3
  • Horwitz Defense: 1.d4 e6 2.Nf3 c5 3.Bf4 Nc6 4.e3
  • Indian Defense: London System: 1.d4 Nf6 2.Nf3 e6 3.Bf4 c5 4.e3
  • Indian Defense: London System: 1.d4 Nf6 2.Nf3 e6 3.Bf4 b6 4.e3