[Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.1"] [White "Van Foreest, Jorden"] [Black "Carlsen, Magnus"] [Result "1/2-1/2"] [WhiteElo "2671"] [BlackElo "2862"] [Annotator "TA"] [PlyCount "116"] [EventDate "2021.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. d3 Be7 $1 { The main line 7...Be7 scores better than 7...Bc5.} 8. Nc3 O-O 9. a3 {C84: Closed Ruy Lopez: Unusual White 6th moves.} Nd4 10. Nxd4 exd4 11. Ne2 c5 {[#]} 12. Bg5 $146 ({Predecessor:} 12. Ng3 d5 13. e5 Nd7 14. f4 Re8 15. Qf3 Rb8 16. Bd2 c4 17. Ba2 Bf8 18. Rae1 {0-1 (56) Tabatabaei,M (2635)-Puranik,A (2580) Sitges 2019}) 12... d5 13. Bxf6 Bxf6 14. Bxd5 Bxd5 15. exd5 Qxd5 16. Ng3 c4 17. Re1 Rae8 18. a4 Rxe1+ 19. Qxe1 cxd3 20. cxd3 bxa4 21. Qd1 Qb5 22. Ne4 Be7 23. Qc2 Rb8 24. Rxa4 {Black mounts an attack.} Qxb2 $40 {Black mounts an attack.} ( 24... h6 {with more complications.} 25. h3 Bb4 26. Ra1 Rb6 27. Nd2 Bxd2 28. Qxd2 Qxb2 29. Qxb2 Rxb2 30. Kf1 Rb6) 25. Qxb2 {[%mdl 4096] [#] Endgame KRB-KRN} Rxb2 $11 {[#] Endgame KRB-KRN} 26. g4 Rb6 27. Rxd4 Kf8 28. Rd7 {[#]} (28. Rc4 $11 Rb8 29. Ra4) 28... Rg6 $1 $17 29. Kf1 Rxg4 30. Ra7 {Ra8+ is the strong threat.} f5 31. Ng3 g6 32. Rxa6 Rh4 33. Kg2 Rd4 34. Ne2 Rxd3 35. Ng1 Rd7 36. Nf3 Kg7 37. h3 Bf6 38. Kg3 Rb7 39. Kg2 Re7 40. Ra5 Rc7 41. Rd5 Ra7 42. Rb5 Be7 43. Nd4 Rd7 44. Nf3 Rd6 45. Rb7 Kf6 46. Ra7 h6 47. Nh4 Bd8 48. Rh7 Rd2 (48... Kg5 $17 49. Nf3+ Kh5) 49. Rxh6 $11 {The position is equal.} Kg7 50. Rxg6+ Kh7 51. Nf3 Rxf2+ 52. Kxf2 Kxg6 {KB-KN} 53. Kg2 Kh5 54. Nd4 f4 55. Ne6 Bg5 56. Nxg5 Kxg5 57. Kf3 Kh4 58. Kxf4 Kxh3 {Weighted Error Value: White=0.07/Black=0.07} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.2"] [White "Vachier-Lagrave, Maxime"] [Black "Anton Guijarro, David"] [Result "1/2-1/2"] [WhiteElo "2784"] [BlackElo "2679"] [Annotator "TA"] [PlyCount "159"] [EventDate "2021.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Re1 Bd6 13. d3 Qh4 14. g3 Qh3 15. Re4 Qf5 {[%mdl 32] 15...Nf6 is more advanced technology.} 16. Nd2 Qg6 17. Nf3 { C89: Closed Ruy Lopez: Marshall Attack.} Bg4 $1 18. h3 Bxh3 19. Nh4 $1 Qf6 20. Qh5 g6 {[#]} 21. Qe2 $146 ({Of course not} 21. Nxg6 fxg6 22. Qxh3 Qxf2+ 23. Kh1 Bxg3 $17) ({Predecessor:} 21. Qg5 Qg7 22. Qh6 Rfe8 23. Qxg7+ Kxg7 24. Bd2 Rxe4 25. dxe4 Nf6 26. Re1 Re8 27. Bc2 {0-1 (54) Jobava,B (2658)-Sammour Hasbun,J (2463) ICC INT 2008}) 21... Qg7 22. Be3 Nxe3 23. Qxe3 Qf6 24. Re1 Kg7 25. g4 { aiming for g5.} Qxh4 26. g5 {[#]} Bf4 $1 27. Qxf4 Qxf4 28. Rxf4 Bf5 29. Re7 c5 30. Bd5 Rae8 31. Rc7 Re5 32. c4 h6 33. gxh6+ Kxh6 34. Rf3 Re2 35. Rxc5 Rxb2 36. Rc6 {Strongly threatening Rxf5.} Kg5 37. Rxa6 bxc4 38. Bxc4 Rb1+ 39. Kg2 Bc8 40. Ra5+ f5 41. Rg3+ Kf6 42. d4 Rc1 43. Be2 Re1 44. Ba6 f4 45. Rf3 Bf5 46. Rxf4 {Hoping for Bd3.} Ra8 47. d5 $1 Ke5 48. Rfa4 (48. Rb4 {is interesting.} Rb1 49. Rba4 Rab8 50. d6+ Kxd6 51. Bd3) 48... Rb8 {Threatening ...Be4+.} 49. d6+ Kxd6 { [#] Decoy} 50. Bd3 $1 {Decoy} Bxd3 {Double Attack} 51. Rd4+ {Double Attack} Ke6 {Endgame KRR-KRR} 52. Rxd3 $16 {Endgame KRR-KRR} Rb6 53. Rg3 Kf6 54. Rf3+ Kg7 55. Ra7+ Kh6 56. Rh3+ Kg5 57. Rf7 {f4+ would kill now.} (57. Rg3+ {is more complex.} Kf6 58. Rf3+ Kg5 59. Ra5+ Kh6 60. Re3) 57... Re2 58. Ra3 Rc2 59. Kg3 {f4+ is the strong threat.} Rb1 60. Kg2 (60. Ra5+ {keeps more tension.} Kh6 61. Rf3 Ra1 62. a3 Rg1+ 63. Kh2) 60... Rb6 61. Ra5+ Kh6 62. Ra8 Kg5 63. a4 { next a5 is good for White.} (63. Kg3 {seems wilder.} Rc3+ 64. Rf3 Rc1 65. Kg2 Rc2 66. Rg3+) 63... Ra2 64. Ra5+ Kh6 65. Rf4 Rc6 66. Rh4+ Kg7 67. Kg3 Ra3+ 68. f3 Rd6 69. Ra7+ Kf6 70. Rb4 Kg5 71. Ra8 Rc6 72. a5 Kh6 {The position is equal.} 73. Rh4+ Kg5 74. Rf4 Rd6 75. Rf7 Rc6 76. Rb8 {And now Rb5+ would win.} Ra6 77. Rb6 R3xa5 78. f4+ Kh6 {[%CAl Rf7h7]} 79. Rbb7 g5 80. Kg4 {Weighted Error Value: White=0.08/Black=0.06} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.3"] [White "Duda, Jan-Krzysztof"] [Black "Giri, Anish"] [Result "1/2-1/2"] [WhiteElo "2743"] [BlackElo "2764"] [Annotator "TA"] [PlyCount "77"] [EventDate "2021.??.??"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 b6 {is now debated instead of 10...Qc7.} 11. dxc5 { D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4.} Qc7 12. Nd4 {Black must now prevent Nxc6.} Ne5 {[#]} 13. Nb5 $1 Qb8 14. Be2 bxc5 15. Bxc5 a6 16. Na3 Qc7 17. Bd4 Rd8 18. Qc1 Ng4 19. Bxg4 Bxg4 20. Qe3 {[#]} Rac8 $146 ({Predecessor:} 20... Rab8 21. Bxg7 Kxg7 22. Nc2 Rbc8 23. Qg5 Be2 24. Rfe1 h6 25. Qc1 Bd3 26. Nb4 Qxc3 27. Qxc3+ Rxc3 28. Nxd3 Rcxd3 {1/2-1/2 (66) Bacrot, E (2714)-Vachier Lagrave,M (2719) Biel 2013}) 21. e5 Qc6 22. Nc2 Bf5 23. Nb4 Qe4 24. Qxe4 Bxe4 25. Rfe1 Bb7 26. Rab1 e6 27. Nd3 Bd5 28. Nc5 Bf8 29. Nxa6 Bxa2 30. Rb6 Bc4 31. h3 (31. Nb4 {with more complications.} h5 32. Ra1 Rb8 33. Rxb8 Rxb8 34. Nc6) 31... Bxa6 32. Rxa6 Bc5 33. Ra4 Bxd4 34. cxd4 $14 {KRR-KRR} Rc2 35. g3 Rd2 36. Re4 Rd7 37. Kg2 Kg7 38. h4 h6 39. Kf3 {Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.4"] [White "Esipenko, Andrey"] [Black "Grandelius, Nils"] [Result "1/2-1/2"] [WhiteElo "2677"] [BlackElo "2663"] [Annotator "TA"] [PlyCount "88"] [EventDate "2021.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. f4 Be7 {was the old line (8...exf4).} 9. O-O O-O {B92: Sicilian Najdorf: 6 Be2.} 10. Kh1 Re8 {[#]} 11. Qd3 $146 ({Predecessor:} 11. f5 Bd7 12. Bf3 Bc6 13. g4 h6 14. g5 hxg5 15. Bxg5 Nxe4 16. Bxe4 Bxg5 17. Rg1 {1/2-1/2 (44) Vozda,J (2451) -Hladecek,M (2412) ICCF email 2011}) 11... b5 12. Nd5 Nc6 13. c3 exf4 14. Bxf4 Ne5 15. Nxe7+ Qxe7 16. Qc2 Qb7 17. Nd2 Rac8 18. Bg5 Nfd7 19. Rf2 d5 20. exd5 Bxd5 21. Rg1 Re6 ({Stronger than} 21... Bxa2 22. b3 $16) 22. Nf1 h6 23. Bf4 Nf6 24. Ne3 Be4 25. Qd1 Ng6 26. Bg3 Bc6 ({Black should try} 26... Qe7 $17 27. Ng4 Ne8) 27. Nf5 $15 Ne4 28. Rff1 Nxg3+ 29. hxg3 Qc7 {[%CAl Rd4g7] aiming for ... Rd8. [#]} 30. Qd4 {[#]} Re5 $1 31. Bg4 Rd8 32. Qf2 Rdd5 (32... Bd5 $17 33. Ra1 Be6) 33. Rd1 Qd8 ({Hoping for ...Rxf5.} 33... Ne7 $17 {Hoping for ...Rxf5.} 34. Nxe7+ Qxe7) 34. Rgf1 Qg5 {[#] Strongly threatening ...Rxf5.} 35. Rd4 f6 36. Bh3 Bd7 37. Rxd5 Rxd5 38. Qf3 Rd2 39. Qa8+ (39. b3 $11) 39... Kh7 $17 40. Qe4 Kh8 $2 (40... Rxb2 $19 41. c4 bxc4 42. Qxc4 a5) 41. Nh4 (41. Qa8+ $11 {remains equal.} Kh7 42. b4) 41... Ne5 42. Qa8+ Kh7 {White must now prevent ...Bxh3.} 43. Qe4+ Kh8 (43... Kg8 $1 $15 44. Qa8+ Kf7) 44. Qa8+ $1 $11 Kh7 {Weighted Error Value: White=0.18/Black=0.23} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.5"] [White "Harikrishna, Pentala"] [Black "Caruana, Fabiano"] [Result "1/2-1/2"] [WhiteElo "2732"] [BlackElo "2823"] [Annotator "TA"] [PlyCount "88"] [EventDate "2021.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. a5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} (10. axb5 axb5 11. Na3 O-O 12. Nxb5 Bg4 13. Bc2 exd4 14. Nbxd4 Nxd4 15. cxd4 Bxf3 16. gxf3 Nh5 17. Kh1 Qf6 18. Be3 Nf4 19. Ra4 Ne6 20. Rg1 Ra8 21. Rb4 Ba7 22. Rc4 Bb6 23. Rb4 Ba7 24. f4 c5 25. e5 {1/2-1/2 (132) Harikrishna,P (2706) -Caruana,F (2782) Wijk aan Zee 2014 CBM 159 [Szabo,Kr]}) 10... Ba7 (10... Bxa5 $2 11. dxe5 (11. d5 Ne7 $18) 11... dxe5 12. Qxd8+ Kxd8 13. Bd5 $18 (13. Bxf7 Bb6 $16)) 11. h3 Bb7 12. Re1 O-O 13. Be3 exd4 ({Of course not} 13... Nxe4 $6 14. d5 $16) 14. cxd4 {With the idea d5. is more profitable than 14...Nb4 at the moment.} Ne7 $1 {is more profitable than 14...Nb4 at the moment.} ({Not} 14... Nxe4 15. d5 $18) 15. Nbd2 Ng6 ({Much worse is} 15... Nxe4 $6 16. Nxe4 Bxe4 17. Bg5 $16) 16. d5 Bxe3 17. Rxe3 c6 18. dxc6 Bxc6 {[#]} 19. Bc2 $146 ({ Predecessor:} 19. Nd4 Bb7 20. Nf5 Re8 21. Qf3 Bc8 22. Nd4 Bb7 23. Nf5 Bc8 24. Ng3 Be6 25. Bxe6 Rxe6 {1/2-1/2 (75) Kobalia,M (2637)-Ragger,M (2572) Rijeka 2010}) 19... Re8 20. Re1 Bb7 21. b4 Nh5 22. Ra3 Nhf4 23. Nf1 Qf6 24. Ng3 Rbd8 25. Rae3 Ne5 26. Bb3 g6 27. Nh2 $1 h5 {And now ...d5 would win.} 28. Ne2 Nc4 29. Bxc4 bxc4 30. Nxf4 Qxf4 31. Qc2 {[#]} (31. Nf3 $11 {keeps the balance.}) 31... d5 $1 $17 32. exd5 Rxe3 33. Rxe3 Bxd5 34. Nf3 Be6 (34... Bxf3 $17 35. Rxf3 Qb8) 35. Ne5 $15 Qd4 (35... Rd6 {feels hotter.} 36. Nf3 Qf5 37. Qxf5 Bxf5 38. Ne5 Be6) 36. Nxg6 $1 {The position is equal.} Qd1+ 37. Qxd1 {Endgame KRB-KRN} Rxd1+ $11 {Endgame KRB-KRN} 38. Kh2 c3 39. Rxc3 {Hoping for Nf4.} fxg6 {KRB-KR [#] Double Attack} 40. Rc6 {[#] Double Attack} Kf7 {...Rb1 is the strong threat.} 41. Rxa6 Rd2 42. Kg1 Rd1+ 43. Kh2 Rd2 44. Kg1 Rd1+ {Weighted Error Value: White=0.12/Black=0.07} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.6"] [White "Donchenko, Alexander"] [Black "Wojtaszek, Radoslaw"] [Result "1/2-1/2"] [WhiteElo "2668"] [BlackElo "2705"] [Annotator "TA"] [PlyCount "99"] [EventDate "2021.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 { B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 8. g3 Be7 9. Bg2 b5 10. Nd5 Nxd5 11. Qxd5 Ra7 12. Be3 Rb7 {[#]} 13. g4 $146 ({ Predecessor:} 13. a3 Qc7 14. Qd2 Nd7 15. Nc3 Nf6 16. Bg5 Be6 17. f4 Ng8 18. h4 f6 19. f5 fxg5 20. fxe6 {1/2-1/2 (41) Alekseenko,K (2668)-Sarana,A (2655) Izhevsk 2019}) 13... h4 14. f4 Nd7 15. f5 Nb6 16. Qc6+ Qd7 17. Qxd7+ Bxd7 18. b3 g5 19. O-O-O f6 20. Bd2 Bc6 21. Bb4 Rd7 22. Nc3 Kf7 23. Rd2 Ra8 {[#] Hoping for ...a5.} 24. Rhd1 a5 25. Bxd6 b4 26. Bxe7 Rxd2 27. Rxd2 Kxe7 28. Nd1 Rd8 ( 28... Nc8 $11 {remains equal.}) 29. Rxd8 $16 {Endgame [#] KBN-KBN} Kxd8 { Endgame [#] KBN-KBN} 30. Nf2 (30. Ne3 $1 $16) 30... Ke7 ({Better is} 30... Nc8 $11) 31. Kb2 (31. c3 $14) 31... Kd6 $11 {The position is equal.} 32. a3 bxa3+ 33. Kxa3 Kc5 34. c3 $1 Bb5 35. Nd1 Be2 36. Ne3 Bd3 37. Kb2 a4 $1 38. Ka3 axb3 39. Kxb3 Nc4 40. Nxc4 Bxc4+ {KB-KB} 41. Kc2 Kb5 42. Kd2 $1 Ka4 43. Bf3 Kb3 { White must now prevent ...Bf1.} (43... Bf1 $5) 44. Bd1+ Kb2 {Threatening ... Bf1.} (44... Ka3 $5) 45. Bc2 Ka3 {Threatens to win with ...Bf1.} (45... Bf1 46. Bd3 $18) 46. Bd3 Ba2 47. Bb5 Bb1 48. Bd3 Ba2 49. Bb5 Bb1 50. Bd3 {Weighted Error Value: White=0.07/Black=0.09} 1/2-1/2 [Event "83rd Tata Steel Masters 2021"] [Site "Wijk aan Zee"] [Date "2021.01.19"] [Round "4.7"] [White "Tari, Aryan"] [Black "Firouzja, Alireza"] [Result "1/2-1/2"] [WhiteElo "2625"] [BlackElo "2749"] [Annotator "TA"] [PlyCount "59"] [EventDate "2021.??.??"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. c3 {B12: Caro-Kann: Advance Variation.} Ng6 7. O-O Nd7 8. Ne1 h5 9. Be3 Qb6 10. b3 {[#]} f6 $146 ({ Predecessor:} 10... h4 11. Nd3 c5 12. dxc5 Qc7 13. b4 Ngxe5 14. Nxe5 Qxe5 15. Bd4 Qc7 16. c4 dxc4 17. Bxc4 h3 18. g3 Qc6 19. f3 {1/2-1/2 (19) Khairullin,I (2543)-Grigoriants,S (2582) Moscow 2006}) 11. Bxh5 fxe5 12. g4 Rxh5 13. gxh5 Nf4 14. dxe5 Nh3+ 15. Kg2 c5 (15... Bc5 $5 16. Nc2 Nxe5 $14) 16. f4 Qc6 17. Nf3 O-O-O 18. Nbd2 Nb6 {Black wants to play ...d4.} 19. Qe1 (19. Kg3 $1 $16 { Nh4 is the strong threat.} d4 20. cxd4) 19... Be7 20. Rc1 d4 21. cxd4 {aiming for Nc4.} Nd5 22. Nc4 (22. dxc5 $2 Bh4 $1 $19) (22. Kh1 $11) 22... Ndxf4+ ( 22... Nhxf4+ $17 23. Kg1 Bd3 24. Nd6+ Bxd6 25. Bxf4 Nxf4 26. exd6 {Double Attack} Ne2+ {Double Attack} 27. Kg2 Nxd4) 23. Bxf4 (23. Kh1 $11 {remains equal.}) 23... Nxf4+ $17 24. Kg1 (24. Kg3 $142 Nxh5+ 25. Kf2) 24... Bg4 ({ Better is} 24... Rxd4 $17 25. Nd6+ Bxd6 26. exd6 Nh3+ 27. Kh1 Be4) 25. Rc3 (25. Qe3 $15 Bg5 26. d5 (26. Nd6+ Rxd6 27. Rxc5 {Discovered Attack} Nh3+ { Discovered Attack} 28. Kg2 Bxe3 $17) 26... Qxd5 27. Rcd1 (27. Nd6+ Kb8 $17) { Discovered Attack} 27... Nh3+ {Discovered Attack} 28. Kg2 Bxe3 29. Rxd5 Nf4+ 30. Kg3 Nxd5 31. Kxg4) 25... Rxd4 26. Nd6+ Kb8 (26... Kd7 $1 $17 {White must now prevent ...Nh3+.} 27. h4 Bxh5) 27. Qe3 $11 Bg5 $2 28. Rxc5 $4 Qxc5 $19 29. Nxg5 {[#] And now Nge4 would win.} Ne2+ $2 ({Black should try} 29... Be2 $1 $19 {( -> ...Rd1)} 30. Re1 {[#]} (30. Rxf4 $2 {Discovered Attack} Rd1+ {Discovered Attack} 31. Kf2 Rf1+ 32. Kxe2 {Skewer, Deflection} Re1+ {Skewer, Deflection} 33. Kxe1 Qxe3+ 34. Kd1 {Double Attack} Qxf4 $19 {Double Attack}) {Discovered Attack} 30... Rd1 $1 {Discovered Attack} 31. Qxc5 Rxe1+ 32. Kf2 {Double Attack} Nd3+ {Double Attack} 33. Ke3 Nxc5) 30. Kg2 {Weighted Error Value: White=0.54/ Black=0.53} 1/2-1/2