London System

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London System
a b c d e f g h
a8 black rook
b8 black knight
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
d4 white pawn
f4 white bishop
a2 white pawn
b2 white pawn
c2 white pawn
e2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
d1 white queen
e1 white king
f1 white bishop
g1 white knight
h1 white rook
7 7
6 6
5 5
4 4
3 3
2 2
1 1
a b c d e f g h
Moves 1.d4 and 2.Bf4 or 2.Nf3 & 3.Bf4
ECO D02, A46, A48
Named after 1922 London tournament
Parent Queen's Pawn Game

The London System is a chess opening that usually arises after 1.d4 and 2.Bf4 or 2.Nf3 & 3.Bf4. It is a "system" opening that can be used against virtually any black defense and thus comprises a smaller body of opening theory than many other openings. The London System is one of the Queen's Pawn Game openings where White opens with 1.d4 but does not play the Queen's Gambit. It normally results in a closed game.

Sverre Johnsen and Vlatko Kovačević, in the introduction to their 2005 book Win with the London System, state:

Basically the London is a set of solid lines where after 1.d4 White quickly develops his dark-squared bishop to f4 and normally bolsters his centre with [pawns on] c3 and e3 rather than expanding. Although it has the potential for a quick kingside attack, the white forces are generally flexible enough to engage in a battle anywhere on the board. Historically it developed into a system mainly from three variations:

The corresponding Encyclopaedia of Chess Openings codes are D02, A46, and A48.

If White is going to play the London System, it is now thought to be more accurate to play 2.Bf4 instead of 2.Nf3 and 3.Bf4.[1]


The line came into fashion in the 1922 London tournament as a way of meeting hypermodern setups. The line gives White a solid position, and critics of the line refer to it as the "old man’s variation" or the "boring system".[2] Even so, the opening can lead to sharp attacks and Vlatko Kovačević and David Bronstein are among the sharp tactical players who have played the London System.[3]

Early play[edit]

1.d4 d5 2.Nf3 Nf6 3.Bf4[edit]

This position can also be reached via 1.d4 Nf6 2.Nf3 d5 3.Bf4. Black usually plays either 3...c5, 3...e6, 3...Bf5, 3...c6, 3...g6, or 3...Nc6.

1.d4 Nf6 2.Nf3 e6 3.Bf4[edit]

Black usually plays either 3...b6, 3...c5, or 3...d5, transposing above.

1.d4 Nf6 2.Nf3 g6 3.Bf4[edit]

Play often goes 3...Bg7 4.e3 d6 5.Be2 0-0 6.0-0. As is usual in the King's Indian, Black can strike in the center with ...c5 or ...e5. After 6...c5 7.c3, Black often plays either 7...b6, 7...Qb6, 7...Nc6, 7...Be6, or 7...cxd4. Black can prepare ...e5 in a number of ways, usually starting with either 6...Nbd7, 6...Nc6, or 6...Nfd7.

Example game[edit]

Kotov vs. Petrosian, Gagra 1952
1.Nf3 Nf6 2.d4 g6 3.Bf4 Bg7 4.e3 0-0 5.Nbd2 c5 6.c3 cxd4 7.exd4 Nc6 8.h3 d6 9.Nc4 b5 10.Ne3 b4 11.d5 bxc3 12.dxc6 cxb2 13.Rb1 Ne4 14.Bd3 Qa5+ 15.Kf1 Ba6 16.Nc4 Bxc4 17.Bxc4 Nc3 18.Qd2 Qa4 19.Bd3 Nxb1 20.Bxb1 Rfc8 21.g3 Rxc6 22.Kg2 Rac8 23.Bh6 Rc1 24.Bxg7 Rxh1 25.Kxh1 Rc1+ 26.Kg2 Rxb1 27.Qh6 Qd1 28.g4 Qh1+ 29.Kg3 Rg1+ 0–1[4]

See also[edit]


  1. ^ Sverre Johnsen; Vlatko Kovacevic (2005). Win with the London System. Gambit. ISBN 1-904600-35-2. 
  2. ^ Donaldson, John. "London System (review of Win With the London System)". Retrieved 2009-03-21. 
  3. ^ Marsh, Sean. "Colle, Torre, and London System". Chessbase. Retrieved 2009-03-21. 
  4. ^ Alexander Kotov vs Tigran Vartanovich Petrosian (1952) "Kotov Guard"

Further reading[edit]