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Chess Opening Theory/1. d4/1...Nf6/2. Bf4

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London System Indian Setup with 2. Bf4 -

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Indian Defence with 2. Bf4 - London System
a b c d e f g h
8a8 black rookb8 black knightc8 black bishopd8 black queene8 black kingf8 black bishopg8 black kingh8 black rook8
7a7 black pawnb7 black pawnc7 black pawnd7 black pawne7 black pawnf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black kingd6 black kinge6 black kingf6 black knightg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black kingf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 black kingd4 white pawne4 black kingf4 white bishopg4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 black kinge2 white pawnf2 white pawng2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 black kingd1 white queene1 white kingf1 white bishopg1 white knighth1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

rnbqkb1r/pppppppp/5n2/8/3P1B2/8/PPP1PPPP/RN1QKBNR b

Moves: 1. d4 Nf6 2. Bf4
Parent: Queens Pawn Opening

Playing 2. Bf4 leads to the London System for white but can easily transpose into other lines. The London System is a Queen's pawn opening where White develops their dark squared bishop to f4 to avoid blocking it in with pawns on c3 and e3. White plans to close the position while strengthening the centre with Nd2 and developing the light squared bishop to d3. It can be used against nearly all of Black's common replies to 1. d4 including the Indian Defence. The most common move for Black in this position is 2...d5.

For a general introduction to the London System, take a closer look at 1. d4 d5 2. Bf4

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation..

1. d4 Nf6 2. Bf4

2
(to) Main Base Position ...
d5		 =
London System Indian Setup

with early Bf4 and Black ...e6

...
e6		 =

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References

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Wikipedia has related information at London System

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