Human: What is the St. George Defence? Assistant: 
The St. George Defence is a chess opening in the Queen's Gambit Declined, 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e4 e6 5. Nf3 Nc6 6. Bd3 Bb4 7. Bb2 Bxc3 8. Bxc3 dxc3 9. Bxc3 Nf6 10. O-O O-O 11. Bd3 Bb7 12. Bb2 Bxc