[Event "Vaganian vs Kupreichik 1974: Chapter 1"] [Site "https://lichess.org/study/7bcIy7Jf/BH27zNAa"] [Result "*"] [Variant "Standard"] [ECO "A45"] [Opening "Trompowsky Attack: Poisoned Pawn Variation"] [Annotator "https://lichess.org/@/Oyek"] [UTCDate "2017.11.27"] [UTCTime "01:33:06"] [Source "https://lichess.org/study/7bcIy7Jf/BH27zNAa"] [Orientation "white"] 1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc3 Qxb2 5. Bd2 { White threatens Rb1 then Nb5 } 5... Qb6 6. e4 d6 7. f4 g6 8. e5 dxe5 9. fxe5 Nfd7 10. Nf3 Bg7 11. Rb1 Qd8 12. e6 fxe6 13. Ng5 Nf6 14. Bb5+ { threat of Nx6 if Black blocks the check } 14... Kf8 15. dxe6 a6 16. Be3 { One Bishop hanging for White, but it's dangerous for Black to exchange Queens and let White have control over the d8 square } 16... Qa5 17. O-O { Two pieces hanging for White, but Black still can't do anything. If axb5, White replies with Rxb5 and now the Queen has to run while still protecting the d8 square } 17... h6 18. Qd3 { White threatens Qxg6, followed by either Qf7 checkmate or Qe8 checkmate. Three pieces hanging for White. } 18... Kg8 19. Qxg6 Bxe6 20. Nxe6 Rh7 21. Rxf6 Nd7 22. Bxd7 { Black resigns. White wins while maintaining all pieces: 2 Rooks, 2 Knights, 2 Bishops, 1 Queen. } *