ChessOnlineFree.com Replay and analyse d3nnak6n

[Event "Rated game"]
[Site "/d3nnak6n"]
[Date "2023-12-21"]
[White "Sac-Sac-Mate"]
[Black "BlondeSiegfried"]
[Result "1-0"]
[WhiteElo "1822"]
[BlackElo "1967"]
[PlyCount "87"]
[Variant "standard"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 O-O 6. e3 Bxc3+ 7. bxc3 h6 8. Bh4 exd5 9. cxd5 d6 10. Bd3 Nbd7 11. Ne2 Ne5 12. O-O g5 13. Bg3 Nxd5 14. Bc2 Be6 15. e4 Nb6 16. f4 Nec4 17. Qd3 Na3 18. fxg5 hxg5 19. e5 Nxc2 20. Qxc2 Nd5 21. exd6 f5 22. Be5 Qe8 23. Qd3 f4 24. Rae1 Qf7 25. Ng3 Ne3 26. Rxe3 Bc4 27. Rxf4 gxf4 28. Qd1 Qg6 29. Re4 Be6 30. Bxf4 Rae8 31. Be5 Bd7 32. Qd5+ Re6 33. Qc4 b5 34. Qe2 Qh6 35. Qd3 Qc1+ 36. Nf1 Qg5 37. h4 Qf5 38. Ng3 Qf2+ 39. Kh2 Bc6 40. Rg4+ Kf7 41. Rg7+ Ke8 42. d7+ Kd8 43. Bc7+ Kxc7 44. d8=Q# 1-0

View the computer analysis

https://www.ChessOnlineFree.com/game/d3nnak6n/black

Opening E30 Nimzo-Indian, Leningrad