London System (런던 시스템)

한국어

The London System family holds 8 lines. The boards below follow its shortest line from the first move.

The Korean name in brackets is ours, not an official translation. The original name is English.

Main line

1. d4 Nf6 2. Nf3 g6 3. Bf4

One move per board, left to right. The two outlined squares are the move just played.

1. d4
1… Nf6
2. Nf3
2… g6
3. Bf4

Play it yourself

London System (A48)

1. d4 Nf6 2. Nf3 g6 3. Bf4

Tap a piece and then the square it goes to. When the move matches the data, the reply follows on its own.

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ECO codes here

Variations in this family

Ordered by ECO code. A blank label means the entry carries the family name alone.

  1. A48London System5 movesPlay this line

    1. d4 Nf6 2. Nf3 g6 3. Bf4

  2. A48London System7 movesPlay this line

    1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3

  3. A48London System8 movesPlay this line

    1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6

  4. A48with Bd39 movesPlay this line

    1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3

  5. A48with Be29 movesPlay this line

    1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2

  6. A48with Be210 movesPlay this line

    1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O

  7. A48with Be211 movesPlay this line

    1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 c5 6. Be2

  8. D02Poisoned Pawn Variation9 movesPlay this line

    1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3

Other families of similar size

Data collected on 2026-09-07. The original is published as a public domain data set.