Monday, May 7, 2012

101 - London System Repertoire: Queens Indian

This month for Main Line Mondays, we will look at the London System for White. I have used this opening off and on for 20 years, including games vs masters and experts.
The London System set-up is easy to play against anything Black tries. White aims for 1.d4/2.Nf3/3.Bf4/4.e3. The c-pawn will go to c3 or c4 depending Black defensive choice.

Here is an index of the variations:
101 - London System - 1.d4 vs Queens Indian, Dutch Defence, etc.
102 - London System - 1.d4 vs Kings Indian Defence
103 - London System - 1.d4 vs 1...d5
104 - London System - 1.d4 d5 2.Bf4 Nf6 3.e3 Classical
105 - Slav Exchange - 1.d4 d5 2.c4 c6 3.cxd5 cxd5 London by transposition

We begin with the odds and ends where Black avoids both 1.d4 d5 and the King's Indian defences. Generally I follow Cyrus Lakdawala's preference to play the move orders 1.d4 Nf6 2.Nf3 and 1.d4 d5 2.Bf4. In the London System, I respond to any early ...c5 move with c3. While rare, it is possible for the continuation 1.d4 c5 2.c3 cxd4 3.cxd4 d5 transposing to the Slav Defence Exchange Variation. It is a handy line to know as White, so I give that complete and separate coverage. Each has about 100 training positions.

[Event "London System"]
[Site "?"]
[Date "2012.05.07"]
[Round "?"]
[White "101 London"]
[Black "1.d4 Queens Indian"]
[Result "*"]
[ECO "D02"]
[Annotator "Sawyer,Timothy E"]
[PlyCount "23"]
[SourceDate "2012.01.29"]

1. d4 Nf6 (1... f5 2. Nf3 Nf6 (2... g6 3. Bf4 d6 4. e3 Bg7 5. Bc4) 3. Bf4 e6 (
3... d6 4. e3 g6 5. h3 Bg7 6. Bc4) (3... g6 4. e3 Bg7 5. h3 d6 6. Bc4 e6 7. c3
O-O 8. Nbd2) 4. e3 Be7 (4... d5 5. c4 c6 6. Nc3 Be7 (6... Bd6 7. Bd3 O-O (7...
Bxf4 8. exf4) (7... dxc4 8. Bxc4) 8. O-O Ne4 (8... Qe7 9. c5) 9. Qc2) 7. Bd3
O-O 8. O-O) (4... b6 5. h3 Bb7 6. Be2 Be7 7. O-O O-O 8. c4) 5. h3 O-O (5... d6
6. c4) (5... b6 6. Be2) (5... d5 6. c4) 6. c4 d6 7. Nc3 Qe8 8. Bd3) (1... c5 2.
c3 Nf6 3. Nf3 cxd4 (3... e6 4. Bf4) 4. cxd4 d5 (4... g6 5. Nc3 Bg7 6. Bf4 d6 7.
h3 O-O 8. e3 Nc6 9. Be2 Bf5 10. O-O Rc8 11. a3 a6 12. Rc1) 5. Nc3 Nc6 6. Bf4) (
1... g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 c6 (4... Nf6 5. Be2) 5. Be2 Nf6 6. h3) (1...
e6 2. Bf4 c5 (2... f5 3. Nf3) (2... d5 3. e3) (2... Nf6 3. e3) 3. c3) (1... c6
2. Nf3 d5 3. Bf4) (1... d6 2. Nf3 f5 3. Bf4 g6 4. e3) 2. Nf3 e6 (2... d6 3. Bf4
Bg4 (3... g6 4. e3) (3... Nbd7 4. e3) (3... c6 4. e3) 4. Nbd2 c6 (4... Nbd7 5.
h3 Bh5 6. c3) 5. h3 Bxf3 6. Nxf3) (2... b6 3. Bf4 Bb7 4. e3 e6 (4... g6 5. h3)
5. Nbd2) 3. Bf4 b6 (3... d5 4. e3 Nh5 (4... c6 5. Bd3) 5. Bg5) (3... c5 4. c3
b6 (4... Nc6 5. e3 Be7 6. Nbd2 O-O 7. h3) 5. e3 Bb7 6. Nbd2 Be7 7. h3 O-O 8.
Bd3 Nc6 9. O-O d6 10. Qe2) (3... Be7 4. e3 O-O 5. h3 d5 6. Nbd2 Nbd7 7. Bd3 c5
8. c3) 4. e3 Bb7 5. Nbd2 Be7 (5... Bd6 6. Bg3) (5... c5 6. c3 Nc6 7. Bd3) 6. h3
c5 (6... O-O 7. Bd3 d5 8. O-O) 7. c3 O-O (7... Nc6 8. Bd3 O-O 9. O-O) (7... d6
8. Bd3 O-O 9. O-O) 8. Bd3 cxd4 (8... d6 9. O-O Nc6 10. Qe2 Rc8 (10... Re8 11.
Rfd1) 11. Bh2) (8... d5 9. O-O Nbd7 10. Re1) (8... Nc6 9. O-O Re8 10. a3) 9.
exd4 d6 10. O-O Nbd7 (10... Nc6 11. Qe2) 11. Qe2 Re8 12. Bh2 *


You may also like: King Pawn (1.e4 e5) and Sicilian (1.e4 c5)
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