[Event "FIDE World Cup 2023"] [Site "Baku"] [Date "2023.08.17"] [Round "6.9"] [White "Praggnanandhaa R"] [Black "Erigaisi Arjun"] [Result "1-0"] [WhiteElo "2707"] [BlackElo "2704"] [Annotator "Lang,JJ"] [Variant "Standard"] [ECO "A05"] [Opening "Zukertort Opening: Nimzo-Larsen Variation"] [Source "https://lichess.org/study/QLPThvQV/XthbZbIK"] [Orientation "white"] 1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. g3 e6 5. Bg2 Be7 6. d3 h6 7. O-O O-O 8. Nbd2 a5 9. a3 Bh7 10. Ne5 Nbd7 11. Nxd7 Qxd7 12. Nf3 c5 13. c4 a4 14. Ne5 Qc7 15. cxd5 exd5 16. bxa4 Qa5 17. Qb3 Qxa4?! { What's the hurry? Now White trades the weak doubled a-pawn for the d-pawn and remains pawn-up. } 18. Bxd5 Nxd5 19. Qxd5 Qa6 (19... Rad8 20. Qf3 Bf6 { Activity over everything. } 21. Nc4 Bxb2 22. Nxb2 Qd4 23. Nc4 b5 { looks much more like a position where Black can argue that they have compensation for the pawn, although it is likely not sufficient after } 24. Ne3 Rfe8 25. Rfc1 $16) 20. a4 Rad8 21. Qf3 Bf6 22. Nc4 Bxb2 23. Nxb2 Rfe8 24. Nc4 Qe6 25. Ne3 b6 26. Rfc1 { Suddenly, Black's b6-pawn is the most vulnerable weakness on the board, and the knight is much stronger than the bishop. In other words, White has the compensation *and* the pawn! } 26... Ra8 27. Qf4 Ra5 28. Rcb1 Bg6 29. Rb2 Qc6 30. Rab1 Qxa4 31. Qxa4 Rxa4 32. Rxb6 Kh7 33. R1b2 Ra1+ 34. Kg2 Rc1 35. Rc6 Re5 36. Rc8 Bf5 37. Nxf5 Rxf5 38. f4 Rd5 39. Rc7 Rf5 40. Kf3 h5 41. Rb5 g6 42. e4 Rf6 43. Rbxc5 Rf1+ 44. Kg2 Rd1 45. Rd5 h4 46. Rdd7 Kg8 47. e5 Rf5 48. Kf3 hxg3 49. hxg3 Rf1+ 50. Kg2 Re1 51. Kf3 Rf1+ 52. Ke2 Rg1 53. Kf2 Rd1 54. e6 fxe6 55. Rg7+ Kf8 56. Rxg6 Rf7 57. Rc8+ Ke7 58. Rc6 Rf6 59. Rc7+ Kd6 60. Rxf6 Kxc7 61. Rxe6 Rxd3 62. Re3 Rd2+ 63. Kf3 Kd6 64. f5 Kd7 65. g4 Ra2 66. g5 Kd6 67. Kg4 Ra4+ 68. Kh5 Rf4 69. f6 Rf1 70. Kg6 Kd7 71. f7 Kd6 72. Kg7 Kd5 { 1-0 White wins. } 1-0