[Event "FIDE Candidates Tournament 2022"] [White "Nepomniachtchi,Ian"] [Black "Firouzja,Alireza"] [Site "Madrid"] [Round "4.2"] [Annotator "TA"] [Result "1-0"] [Date "2022.06.21"] [WhiteElo "2773"] [BlackElo "2804"] [PlyCount "77"] [TimeControl "60"] {[%evp 27,77,47,33,2,49,31,31,43,23,63,42,-18,-24,-18,57,57,61,41,50,57,229,193,419,416,420,426,421,408,552,541,503,450,442,435,434,379,380,366,347,302,714,733,726,725,5125,3012,3037,2885,29993,29994,29995,29996]} 1. e4 {[%emt 0:0:0]} c5 {[%emt 0:0:6]} 2. Nf3 {[%emt 0:0:10]} d6 {[%emt 0:0:7]} 3. d4 {[%emt 0:0:8] } cxd4 {[%emt 0:0:6]} 4. Nxd4 {[%emt 0:0:3]} Nf6 {[%emt 0:0:0]} 5. Nc3 {[%emt 0:0:4]} a6 {[%emt 0:0:8]} 6. f3 {[%emt 0:0:48]} e5 {[%emt 0:0:20] } 7. Nb3 {[%emt 0:0:7]} Be6 {[%emt 0:0:19]} 8. Be3 {[%emt 0:0:0]} Be7 {[%emt 0:0:15]} 9. Qd2 {[%emt 0:0:26]} O-O {[%emt 0:0:17]} 10. O-O-O {[%emt 0:1:25]} Nbd7 {[%emt 0:0:15]} 11. g4 {[%emt 0:0:26]} b5 {[%emt 0:0:16][%cal Yb7b5,Yb5b4][%mdl 32] } 12. g5 {[%emt 0:0:16]} b4 {[%emt 0:0:0]} 13. Ne2 {[%emt 0:0:37]} Ne8 {[%emt 0:0:14]} 14. f4 {[%emt 0:0:52][%cal Yf3f4,Yf4f5][%mdl 32] } a5 {[%emt 0:0:19]} 15. f5 {[%emt 0:0:15] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Bc4 {[%emt 0:0:15] } (15... a4 $11 {might be stronger.} 16. fxe6 axb3 17. exf7+ (17. exd7 $2 bxa2 18. Qd5 a1=Q+ $19 )Rxf7 18. cxb3 Rxa2 )16. Kb1 {[%emt 0:0:0]} a4 {[%emt 0:1:43]} 17. Nbc1 {[%emt 0:1:51] White is slightly better.} d5 $1 {[%emt 0:0:19]} 18. f6 $5 {[%emt 0:5:29][%mdl 4] A promising side line.} gxf6 {[%emt 0:1:36]} 19. gxf6 {[%emt 0:0:38]} ({White should try} 19. Ng3 $14 Bxf1 20. Rhxf1 )Ndxf6 {[%emt 0:6:42]} 20. Ng3 {[%emt 0:0:43] Hoping for Bxc4.} Bxf1 {[%emt 0:30:36]} (20... Qc7 $11 )21. Rhxf1 $14 {[%emt 0:3:46] [#]} a3 $146 {[%emt 0:28:48] White must now prevent ...axb2.} ({Predecessor:} 21... Kh8 22. exd5 a3 {0-1 (22) Ramsden,J (1852)-Rihtaric,I (1988) ICCF email 2007} )22. b3 {[%emt 0:7:6] Threatens to win with Nd3.} Kh8 {[%emt 0:9:21]} (22... Nxe4 $2 23. Nxe4 Nc7 24. Bh6 $18 )23. exd5 {[%emt 0:0:51][%cal Ye4d5,Yd5d6][%mdl 32]} Nd6 $2 {[%emt 0:6:36] A mistake that costs the game.} ({ Black should play} 23... Qc7 $1 $14 )24. Qxb4 $18 {[%emt 0:2:55]} Rc8 $2 {[%emt 0:5:57] } (24... Rb8 {keeps fighting.} 25. Qe1 (25. Qxa3 Nc4 $15 )Qc7 )25. Bb6 {[%emt 0:5:2][%cal Ye3b6,Yb6a5,Ya5c3][%mdl 32]} Qd7 {[%emt 0:0:0] [#]} 26. Qe1 $1 {[%emt 0:0:15]} Rb8 {[%emt 0:15:10]} 27. Ba5 {[%emt 0:0:0]} Nc4 {[%emt 0:1:49]} 28. d6 {[%emt 0:2:13]} Bd8 {[%emt 0:0:13]} 29. Bc3 {[%emt 0:4:25]} Qe6 {[%emt 0:0:3]} 30. Nd3 {[%emt 0:4:9][%cal Rd3e5]} Nd5 {[%emt 0:0:3]} 31. Nf4 {[%emt 0:5:24]} ({Don't do} 31. Bxe5+ f6 32. Nc5 Qf7 $18 33. Ba1 Nce3 34. Rxd5 Nxd5 35. Qe6 Qxe6 36. Nxe6 Rf7 37. c4 Ne3 38. Nxd8 Rxd8 39. Rxf6 Kg8 40. Ne4 Ng4 41. c5 Nxf6 42. Nxf6+ Kf8 43. Be5 Ra7 44. c6 )Nxf4 {[%emt 0:0:10]} 32. Rxf4 {[%emt 0:0:6] Really sharp!} f6 {[%emt 0:0:4] } 33. Qe2 {[%emt 0:0:47]} ({And not} 33. Rxc4 Qxc4 34. Bd2 Qg4 $11 )Nb2 {[%emt 0:0:16]} (33... Nxd6 34. Bxe5 Nb5 )34. Rdf1 {[%emt 0:0:0]} Re8 {[%emt 0:0:1]} 35. Rh4 {[%emt 0:0:17][%cal Yh4h7] aiming for Rxh7+! } f5 {[%emt 0:0:17] [#]} 36. Rxh7+ $3 {[%emt 0:3:2][%mdl 512]} Kxh7 {[%emt 0:0:1] } 37. Qh5+ {[%emt 0:0:7]} Kg8 {[%emt 0:0:4]} 38. Nxf5 {[%emt 0:0:9] } Bf6 {[%emt 0:0:7]} 39. Rg1+ {[%emt 0:0:18] Weighted Error Value: White=0.14 (very precise) /Black=0.60} 1-0