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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...d6/8. c3/8...O-O/9. h3/9...Na5

< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. Nf3‎ | 2...Nc6‎ | 3. Bb5‎ | 3...a6‎ | 4. Ba4‎ | 4...Nf6‎ | 5. O-O‎ | 5...Be7‎ | 6. Re1‎ | 6...b5‎ | 7. Bb3‎ | 7...d6‎ | 8. c3‎ | 8...O-O‎ | 9. h3

Chigorin Defense edit

This is the old main line. Black chases white's bishop from the effective a2-g8 diagonal. Not only that, black opens up the c-pawn to expand on the queen side. Usually, after 10. Bc2 and 10…c5, if allowed, black will play 11…Nc6 and black ends up with a space advantage on the queen side.

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