[Event "2018 Iowa Barber/Denker"] [Site "?"] [Date "????.??.??"] [Round "4"] [White "Owen ()"] [Black "Bala ()"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B40"] [Opening "Sicilian Defense: Delayed Alapin Variation, with e6"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 e6 3. c3 { B40 Sicilian Defense: Delayed Alapin Variation, with e6 } Nc6 4. d4 cxd4 5. cxd4 d5 6. e5 Qb6?! { (0.06 → 0.75) Inaccuracy. Nge7 was best. } (6... Nge7 7. Bd3 Nf5 8. Be3 Nxe3 9. fxe3 Be7 10. O-O Bd7 11. Nc3) 7. Nc3 Nge7 8. Bd3 Bd7 9. Na4 Qc7 10. Nc5? { (0.84 → -0.54) Mistake. Bd2 was best. } (10. Bd2 Nf5 11. Rc1 Qb8 12. Bxf5 exf5 13. O-O h6 14. a3 Qc7 15. b4 a6 16. Qb3 Be6) 10... Bc8? { (-0.54 → 0.68) Mistake. Nxd4 was best. } (10... Nxd4 11. Nxd7 Nxf3+ 12. Qxf3 Qxd7 13. O-O Ng6 14. Qg3 Be7 15. Be3 O-O 16. f4 d4 17. Bd2) 11. Qc2?! { (0.68 → 0.07) Inaccuracy. O-O was best. } (11. O-O Nf5 12. Nb3 a5 13. a4 Bb4 14. Bd2 O-O 15. g4 Nfe7 16. Rc1 Bd7 17. h3 Rfc8) 11... Nf5 12. Nb3 Qb6 13. Bxf5 exf5 14. O-O Be7 15. Be3 O-O 16. Rac1 Bd7 17. Rfd1 Rac8 18. Nc5 Be6 19. Ng5? { (0.08 → -1.16) Mistake. b4 was best. } (19. b4 Nxb4 20. Qd2 Nc6 21. Rb1 Qa5 22. Rxb7 Qxd2 23. Rxd2 Rb8 24. Rdb2 Rxb7 25. Rxb7 Rb8) 19... Bxc5? { (-1.16 → 0.08) Mistake. Nxd4 was best. } (19... Nxd4 20. Bxd4 Bxg5 21. Ra1 Qc7 22. Qd3 b6 23. Nxe6 fxe6 24. a4 Qc2 25. a5 Qxd3 26. Rxd3) 20. dxc5 Qc7?! { (0.08 → 0.70) Inaccuracy. Qa6 was best. } (20... Qa6 21. f4 Rfd8 22. Nf3 Qxa2 23. Nd4 Qc4 24. Qd2 Qb4 25. Qxb4 Nxb4 26. Ra1 Nc6 27. Nxc6) 21. f4 h6 22. Nf3 Rfd8 23. Qc3 Rd7 24. b4 a6?! { (0.62 → 1.42) Inaccuracy. d4 was best. } (24... d4 25. Bxd4 b5 26. a4 Rb8 27. a5 Rbd8 28. Rd2 Bd5 29. Rcd1 Bxf3 30. gxf3 Qc8 31. Bf2) 25. a4 Rdd8 26. b5 axb5 27. axb5 Ne7?! { (1.32 → 2.11) Inaccuracy. d4 was best. } (27... d4 28. Bxd4 Ne7 29. Bf2 Rxd1+ 30. Rxd1 Bd5 31. Qb4 Ra8 32. Bh4 Bxf3 33. gxf3 Ng6 34. Bf2) 28. Nd4 Bd7 29. Qb4 Be8? { (2.10 → 3.65) Mistake. Re8 was best. } (29... Re8) 30. Rc2? { (3.65 → 2.12) Mistake. Bf2 was best. } (30. Bf2) 30... Qd7 31. Ra1 Rc7?! { (2.32 → 3.40) Inaccuracy. Ra8 was best. } (31... Ra8 32. Rca2 Rxa2 33. Rxa2 Rb8 34. Ra7 Qc8 35. h3 Ng6 36. Qc3 Ra8 37. Rxa8 Qxa8 38. c6) 32. Ra7 Qc8 33. b6?? { (3.63 → 1.32) Blunder. Qa5 was best. } (33. Qa5 Qb8 34. c6 Bxc6 35. bxc6 Nxc6 36. Qb6 Rdc8 37. Nxc6 Rxc6 38. Rxc6 Rxc6 39. Qb1 Rc7) 33... Rcd7?? { (1.32 → 3.74) Blunder. Nc6 was best. } (33... Nc6 34. Nxc6 Rxc6 35. Bd4 Re6 36. Rc3 Bd7 37. Rg3 Rde8 38. Qb2 Bc6 39. Qe2 Rg6 40. Rga3) 34. e6 fxe6 35. Nxe6? { (3.43 → 1.60) Mistake. c6 was best. } (35. c6 Nxc6 36. Nxc6 bxc6 37. b7 Qc7 38. Bb6 Qb8 39. Qc5 Rxb7 40. Rxb7 Qxb7 41. Bxd8 Qb8) 35... Nc6 36. Qa3 Nxa7? { (1.62 → 2.91) Mistake. d4 was best. } (36... d4 37. Bf2 Bf7 38. Nxd8 Rxd8 39. Rd2 Kh7 40. h3 Qd7 41. Qb2 Bc4 42. Ra1 Qe6 43. Rc1) 37. bxa7 Bf7?? { (2.73 → 6.22) Blunder. d4 was best. } (37... d4 38. Bxd4 Rxd4 39. Nxd4 Qd7 40. Qc3 Ra8 41. Ra2 Qd5 42. Re2 Qf7 43. Re5 Bd7 44. Qa1) 38. Nxd8 Rxd8 39. Ra2 Qa8 40. Bd4 Be8? { (5.30 → 10.97) Mistake. Kh7 was best. } (40... Kh7 41. c6) 41. Qg3 Rd7 42. Qe3 Bf7? { (7.86 → Mate in 13) Checkmate is now unavoidable. Bh5 was best. } (42... Bh5 43. Qe5 Rf7 44. Ra3 Kh7 45. Qb8 Rf8 46. Qxf8 Qxf8 47. a8=Q Qe8 48. Qxe8 Bxe8 49. Re3) 43. Qe5 Be8?! { (21.10 → Mate in 13) Checkmate is now unavoidable. Bh5 was best. } (43... Bh5) 44. Qb8?! { (Mate in 13 → 21.09) Lost forced checkmate sequence. Re2 was best. } (44. Re2 Kf8 45. c6 bxc6 46. Bc5+ Kg8 47. Qxe8+ Qxe8 48. Rxe8+ Kh7 49. a8=Q Rf7 50. Rh8+ Kg6) 44... Rd8?! { (21.09 → Mate in 32) Checkmate is now unavoidable. Qxb8 was best. } (44... Qxb8 45. axb8=Q) 45. Qxd8? { (Mate in 32 → 7.83) Lost forced checkmate sequence. Qe5 was best. } (45. Qe5) 45... Qxd8 46. a8=Q Qe7 47. Ra1 Qe4?! { (7.25 → 11.88) Inaccuracy. Kf7 was best. } (47... Kf7 48. Qc8) 48. Bf2 Kh7 49. Re1 Qc4 50. Qxe8 d4?! { (12.77 → Mate in 8) Checkmate is now unavoidable. Qxf4 was best. } (50... Qxf4 51. Qd7) 51. Qd7 d3 52. Qxf5+ g6 53. Qd7+ Kh8 54. Re8+ Qg8 55. Bd4# { White wins by checkmate. } 1-0