What is Queen's Indian defence?
The '''Queen's Indian defence''' is an important defence to 1.d4. It features a [[List of chess terms#F|fianchetto]] of Black's QB. {{Chess diagram small | tright | The Queen's Indian defence |rd|nd|bd|qd|kd|bd|__|rd |pd|__|pd|pd|__|pd|pd|pd |__|pd|__|__|pd|nd|__|__ |__|__|__|__|__|__|__|__ |__|__|pl|pl|__|__|__|__ |__|__|__|__|__|nl|__|__ |pl|pl|__|__|pl|pl|pl|pl |rl|nl|bl|ql|kl|bl|__|rl |White to move }} It starts as follows: :1.d4 Nf6 :2.c4 e6 :3.Nf3 b6 ::and now 4e3, 4Nc3 and 4g3 are all possible. So is 4.a3, which prepares 5.Nc3 by preventing Black's 5...Bb4. <br/>This is the most usual line: {{Chess diagram small | tright | |rd|nd|__|qd|__|rd|kd|__ |pd|bd|pd|pd|bd|pd|pd|pd |__|pd|__|__|pd|__|__|__ |__|__|__|__|__|__|__|__ |__|__|pl|pl|__|__|__|__ |__|__|ql|__|__|nl|pl|__ |pl|pl|__|__|pl|pl|bl|pl |rl|__|bl|__|__|rl|kl|__ |Black to move after 9.Qxc3 }} :4.g3 Bb7 (4...Ba6 is also played here) :5.Bg2 Be7 :6.0-0 0-0 :7.Nc3 Ne4 :8.Qc2 Nxc3 :9.Qxc3 {{wikibooks|Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nf3/3...b6}} [[Category:Chess openings]]