Since... 1994!

Queen's Gambit

1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Bg5 Be7 5. Nc3 O-O 6. e3 Nbd7 7. Bd3 c5 8. O-O cxd4 9. exd4 dxc4 10. Bxc4 Nb6 11. Bb3 Bd7 12. Qd3 Nbd5 13. Ne5 Bc6 14. Rad1 Nb4? 15. Qh3 Bd5 16. Nxd5 Nbxd5? 17. f4! Rc8 18. f5 exf5 19. Rxf5 Qd6 ...
Then What?

Solution