[Event "Moscow Grand Prix 2017"] [Site "Moscow RUS"] [Date "2017.5.13"] [Round "2.9"] [White "Hammer, Jon Ludvig"] [Black "Nepomniachtchi, Ian"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B07"] [Opening "Pirc Defense: 150 Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 { B07 Pirc Defense: 150 Attack } b5 6. e5 Ng4 7. exd6 Nxe3 8. Qxe3 Qxd6 9. O-O-O Bg7 10. g3 Nd7 11. Bg2 Nb6 12. Qf3 Bd7 13. Ne4 Qc7 14. Nc5 Rc8 15. h4 Na4 16. Nxd7 Qxd7 17. h5 O-O 18. hxg6 hxg6 19. Ne2 Qd6 20. c3?! { (-0.20 → -0.94) Inaccuracy. Qb3 was best. } (20. Qb3 c5) 20... b4 21. c4 c5 22. b3 Nc3 23. Nxc3 bxc3 24. Qxc3 Bxd4 25. Qd2 Qa6 26. Kb1?! { (-0.63 → -1.76) Inaccuracy. Qc2 was best. } (26. Qc2 Rfd8 27. Rd3 Rb8 28. Qd2 Qf6 29. g4 Qxf2 30. Qxf2 Bxf2 31. Kc2 Kg7 32. Be4 e6) 26... Rb8 27. g4 Bg7 28. g5 Qxc4 29. Bd5 Qg4 30. Rhe1?? { (-1.80 → -4.93) Blunder. Qe3 was best. } (30. Qe3 Qf5+ 31. Qe4 Qxg5 32. Qh4 Qxh4 33. Rxh4 Bd4 34. f3 Rfd8 35. Bc6 a5 36. Rdh1 Rb6) 30... e6 31. Be4 c4 32. Qe3 cxb3 33. axb3 Rb4?! { (-3.80 → -2.98) Inaccuracy. Rb5 was best. } (33... Rb5) 34. Rd3 Rfb8 35. f3? { (-2.90 → -5.51) Mistake. Qg3 was best. } (35. Qg3 Rxb3+) 35... Qg2 36. Re2 Qh1+ 37. Re1 Qh2 38. Re2 Qe5 39. Ra2 a5 40. Kc2? { (-4.72 → -10.09) Mistake. Bxg6 was best. } (40. Bxg6 Qxe3 41. Rxe3 fxg6 42. Kc2 R4b5 43. f4 e5 44. fxe5 Bxe5 45. Ra4 Bg7 46. Rg3 Rf8) 40... a4 41. Rxa4 Rxa4 42. bxa4 Qa1 43. Rd2?! { (-13.29 → Mate in 1) Checkmate is now unavoidable. Rb3 was best. } (43. Rb3 Qxa4) 43... Qb1# { Black wins by checkmate. } 0-1