[Event "84th Tata Steel Challengers 2022"] [Site "Wijk aan Zee"] [Date "2022.01.16"] [Round "2.3"] [White "Nguyen, Thai Dai Van"] [Black "Bjerre, Jonas Buhl"] [Result "1-0"] [ECO "A34"] [WhiteElo "2609"] [BlackElo "2586"] [Annotator "TA"] [PlyCount "99"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,99,22,17,0,0,0,0,-7,0,-1,17,20,16,16,18,16,15,12,16,12,13,16,11,7,18,0,16,0,0,0,0,0,0,0,0,0,16,16,22,31,48,22,57,55,63,63,63,63,63,63,63,63,63,63,70,70,70,71,165,130,231,226,275,271,347,358,349,327,347,335,369,229,235,230,487,471,459,418,535,531,474,502,470,469,560,564,552,543,608,479,587,564]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. e3 e5 5. d4 e4 {[#]} 6. d5 $1 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} exf3 7. dxc6 dxc6 {White should prevent ...Qxd1+.} 8. Qxd8+ {The position is equal.} Kxd8 9. gxf3 g6 {outshines the older 9...Kc7.} 10. b3 Bg7 {[%cal Of6e4]} 11. Bb2 b6 {[#]} 12. a4 $1 $146 {[%mdl 8] An important novelty.} ({Predecessor:} 12. Ne2 Nh5 13. O-O-O+ Kc7 14. Bxg7 Nxg7 15. Nf4 a5 16. a4 Bd7 17. h4 h5 18. Be2 {½-½ (46) Howell,D (2648)-Bjerre,J (2569) Terme Catez 2021}) 12... a5 13. O-O-O+ Kc7 14. Ne4 Nh5 15. Ba3 Bd7 16. Kc2 Rad8 17. Bd3 Nf6 18. Ng3 Bh3 19. Rhg1 {To avoid Bg2} ({Of course not} 19. Bb2 Bg2 20. Rhe1 (20. Be5+ Kc8 $17) 20... Bxf3 $17) 19... Rd7 20. Bb2 Rhd8 21. Be5+ Kc8 22. Be2 Nh5 23. Rxd7 Rxd7 24. f4 Bxe5 25. fxe5 Ng7 26. Kc3 Re7 27. f4 Ne8 28. Ne4 {To avoid f6} Bf5 29. Ng5 {And now e4 would win. White is more active.} h6 30. Nf3 Ng7 31. Bd3 {aiming for Bxf5+.} Bd7 32. e4 {[%cal Of4f5,Be3e4,Be4f5][%mdl 32] Black is on the road to losing.} Nh5 33. f5 Be8 (33... Nf4 $16 {keeps fighting.}) 34. Kd2 Rd7 (34... gxf5 $16 35. exf5 f6) 35. Ke3 $18 Kd8 36. Be2 gxf5 37. exf5 f6 38. e6 Rg7 39. Rd1+ Ke7 40. Bf1 Rg8 41. Bh3 Rg7 $2 (41... Ng7 42. Rg1 Kf8) 42. Nd2 Ng3 {[%cal Og7g5]} 43. Kf2 Nh5 44. Kf3 {Inhibits Nf4. White is clearly winning.} Rg8 45. Ne4 Ng7 {[%cal Og7f5] [#] ...Nxf5! is the strong threat.} 46. Rg1 Bh5+ 47. Kf2 Be8 48. Bf1 Bh5 49. Bd3 Be8 50. Be2 {Weighted Error Value: White=0.08 (flawless) /Black=0.25 (precise)} 1-0 [Event "84th Tata Steel Challengers 2022"] [Site "Wijk aan Zee"] [Date "2022.01.18"] [Round "4.3"] [White "Nguyen, Thai Dai Van"] [Black "Shuvalova, Polina"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2609"] [BlackElo "2516"] [Annotator "TA"] [PlyCount "31"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,31,0,15,16,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} c6 {The position is equal.} 7. a4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} a5 8. Bf4 {[#]} Qb6 $146 ({Predecessor:} 8... h6 9. Nbd2 Nbd7 10. Ne5 g5 11. Nxd7 Nxd7 12. Be3 f5 13. f4 g4 14. Nb3 Nf6 {1-0 (53) Banusz,T (2591)-Kantor,G (2575) Budapest 2021}) 9. Nbd2 Qxb2 10. Rb1 Qa3 (10... Qxc3 $2 11. Rb3 Ne4 12. e3 $18) 11. c4 Na6 12. Ra1 Qb2 13. Rb1 Qa3 14. Ra1 Qb2 15. Rb1 Qa3 16. Ra1 {Not much happened in this game. Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1/2-1/2 [Event "84th Tata Steel Challengers 2022"] [Site "Wijk aan Zee"] [Date "2022.01.22"] [Round "7.2"] [White "Nguyen, Thai Dai Van"] [Black "Maurizzi, Marc`Andria"] [Result "1-0"] [ECO "A84"] [WhiteElo "2609"] [BlackElo "2496"] [Annotator "TA"] [PlyCount "95"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,95,24,38,31,36,25,58,50,50,60,72,79,91,37,66,2,134,44,72,72,73,7,6,14,12,11,39,30,30,37,27,0,13,12,19,10,10,3,26,31,64,58,50,35,60,67,81,73,74,31,33,31,38,31,31,8,8,8,9,16,8,8,122,127,89,106,161,156,436,422,400,397,397,394,387,381,468,465,468,447,2068,1632,29974,29975,29979,29980,29980,29974]} 1. Nf3 f5 2. d4 Nf6 3. c4 g6 4. e3 Bg7 5. b4 d6 {[%cal Oe7e5]} 6. Bb2 {A84: Dutch Defence: 2 c4 Miscellaneous.} O-O {[%cal Oe7e5]} 7. Be2 c5 8. bxc5 {White is slightly better.} ({Much worse is} 8. dxc5 dxc5 9. Qb3 cxb4 $11) 8... dxc5 {[%cal Of5f4]} 9. O-O cxd4 10. exd4 Ne4 11. Qc2 {[#]} (11. Qc1 $16) 11... Nc6 $146 {[%cal Rg7d4]} ({Predecessor:} 11... Qc7 12. Nc3 Nxc3 13. Bxc3 b6 14. Rfe1 Bb7 15. Ng5 Qd7 16. d5 Bxc3 17. Qxc3 h6 {1-0 (31) Nesterov,A (2296)-Poliakov,A (2173) Moscow 2017}) 12. Rd1 (12. Na3 $1 $14) 12... Qb6 {[#]} (12... g5 $1 $11) 13. Na3 (13. Nc3 $1 $16) 13... Nb4 14. Qb3 {c5+ is the strong threat.} Be6 15. Nb5 (15. Rab1 $16) 15... Qxb5 $1 $11 16. cxb5 Bxb3 17. axb3 Nd5 18. Rdc1 Bh6 19. Rc2 e6 20. Bc1 Bg7 21. Bc4 Rfc8 22. Be3 Nd6 {[%cal Od6b5]} 23. Rcc1 Nxc4 24. bxc4 {[%cal Bb3c4,Bc4c5][%mdl 32]} Nb6 25. c5 $1 Nd5 26. g3 h6 27. h4 Kf7 28. Ra3 a6 29. Rca1 ({White should play} 29. Ra5 $16) 29... e5 $1 $14 30. bxa6 (30. h5 {feels hotter.} g5 31. dxe5 Nxe3 32. fxe3 g4 33. c6) 30... Rxa6 31. Rxa6 bxa6 32. Bxh6 Bxh6 33. Nxe5+ Kg8 $1 34. Rxa6 Bg7 $1 35. Rxg6 Kh7 (35... Ne7 $11 {keeps the balance.} 36. Re6 Bxe5) 36. Rd6 $16 Nc3 {[#]} 37. Nf3 Kg8 (37... Nb5 $16 38. Rd7 Kg6) 38. Kg2 f4 $2 {A mistake that costs the game.} (38... Nb5 $16) 39. g4 $18 Ne4 40. Re6 Nc3 41. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Nb5 42. Rg6 {Strongly threatening h6.} Kh8 43. Rb6 Nxd4 44. h6 Bf8 (44... Nc6 $142 45. hxg7+ Kxg7) 45. Nxd4 Bxc5 46. Rc6 {White mates.} Rxc6 47. Nxc6 Kh7 48. g5 {Weighted Error Value: White=0.13 (very precise) /Black=0.41} 1-0 [Event "84th Tata Steel Challengers 2022"] [Site "Wijk aan Zee"] [Date "2022.01.25"] [Round "9.2"] [White "Nguyen, Thai Dai Van"] [Black "Warmerdam, Max"] [Result "1/2-1/2"] [ECO "B51"] [WhiteElo "2609"] [BlackElo "2599"] [Annotator "TA"] [PlyCount "55"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,55,10,24,17,15,20,11,15,10,8,11,18,8,18,0,16,0,0,-11,31,0,0,0,48,20,24,-10,0,-16,-18,-18,-18,-15,-21,-16,-18,-16,-15,-13,0,0,0,-19]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Nxd4 Ngf6 6. O-O e6 7. c4 Be7 8. Nc3 O-O {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 9. Bxd7 Bxd7 {[#]} 10. Qd3 $146 ({Predecessor:} 10. Be3 a6 11. a4 Qa5 12. Rc1 Rfc8 13. b3 d5 14. e5 Ne8 15. Nde2 Nc7 16. c5 Bxc5 17. Bxc5 Qxc5 {0-1 (30) Vachier Lagrave,M (2758)-Giri,A (2776) chess24.com INT 2021}) 10... a6 11. h3 Rc8 12. b3 Qc7 {[%cal Ob7b5]} 13. Bb2 Rfd8 14. Rac1 Be8 15. f4 Qa5 16. a4 Nd7 (16... Bf8 $11) 17. Kh1 (17. f5 $5 {[%cal Rf5e6]} d5 18. exd5 $14 (18. cxd5 e5 $17) (18. fxe6 dxc4 19. Qg3 fxe6 $17)) 17... Bf6 18. Nce2 b5 (18... Nc5 $11 {deserves consideration.} 19. Qe3 Qb6) 19. cxb5 {[%cal Oe4e5]} axb5 {White must now prevent ...Nc5.} 20. Bc3 ({Don't play} 20. Qxb5 Qxb5 21. axb5 Nc5 $15) 20... Qa8 {aiming for ...Nc5. The position is equal.} 21. Nxb5 Nc5 {[%csl LRb3,LRd3,LRe4]} 22. Qe3 {[#] Threatens to win with Bxf6.} Bxb5 23. axb5 Qxe4 24. Qxe4 Nxe4 25. Bxf6 gxf6 26. Kg1 Rb8 27. Nd4 {And now Nc6 would win.} Rb7 28. Rc6 {An even fight not without its subleties. Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2 [Event "84th Tata Steel Challengers 2022"] [Site "Wijk aan Zee"] [Date "2022.01.28"] [Round "11.3"] [White "Nguyen, Thai Dai Van"] [Black "Vogel, Roven"] [Result "1-0"] [ECO "D17"] [WhiteElo "2609"] [BlackElo "2452"] [Annotator "TA"] [PlyCount "169"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,169,-5,34,27,34,28,47,24,51,31,20,25,33,24,27,16,31,25,26,21,50,36,34,23,11,14,85,52,61,21,91,83,77,86,91,91,99,54,52,22,24,23,39,31,25,23,63,63,63,57,63,63,63,63,63,63,63,62,62,62,62,62,62,62,62,62,64,64,66,65,67,70,103,65,93,93,93,93,93,93,93,93,101,93,119,119,115,115,119,109,120,120,120,75,109,109,125,121,127,127,128,128,128,127,128,128,128,128,141,141,144,138,151,135,135,135,135,128,128,127,128,105,105,102,102,95,229,229,229,226,219,212,242,236,254,246,229,233,297,230,211,199,281,189,175,176,176,176,325,176,330,127,127,0,331,244,475,475]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 {6...Nbd7 scores better than 6...e6.} 7. Nxc4 Nb6 (7... Qc7 {looks sharper.} 8. Bg5 e5 9. e3 Bb4 10. Bd3 Be6) 8. e3 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} Nxc4 9. Bxc4 e6 10. O-O {White is slightly better.} Be7 11. a5 b5 12. axb6 axb6 13. Rxa8 Qxa8 14. f3 O-O 15. e4 Bg6 16. Be3 $36 {[%mdl 2048] White fights for an advantage.} Qa5 {[#]} 17. Qa1 $146 ({Predecessor:} 17. Qb3 Qb4 18. Ra1 b5 19. Qxb4 Bxb4 20. Be2 Rc8 21. Rc1 Ra8 22. Nd1 Ra6 23. Nf2 {1-0 (72) Buran,J (2264)-Pacl,V (2179) Czech Republic 2012}) 17... Qb4 18. Qa2 b5 19. Be2 Bd8 (19... Rd8 $11) 20. Rd1 Bb6 {[%cal Oe6e5]} 21. Bf2 Nd7 (21... h6 $11) 22. Qa3 $16 Qxa3 23. bxa3 Rc8 24. Rc1 {[%cal Oc3b5]} Ra8 25. Nb1 (25. d5 $16 cxd5 26. exd5 (26. Bxb5 Bxf2+ 27. Kxf2 Nf6 $16)) 25... f5 $14 26. d5 (26. Rxc6 {is interesting.} fxe4 27. Bxb5 exf3 28. Rd6 Rb8 29. Rxd7 Bxb1 30. gxf3 Bxd4 31. Bxd4 Rxb5 32. Rxg7+ Kf8 33. Ra7) 26... Bxf2+ 27. Kxf2 exd5 28. exd5 cxd5 29. Bxb5 Ne5 30. Re1 Nc4 31. a4 $1 Nb6 32. Nc3 d4 33. Ne2 Nxa4 34. Nxd4 Nc3 35. Bc4+ Bf7 36. Bxf7+ Kxf7 37. Nxf5 {[%mdl 4096] Endgame KRN-KRN} Ra2+ 38. Kf1 Kf6 39. Ne3 Nb5 40. Nd5+ Kg6 41. Re6+ Kf5 42. Re7 Ra7 43. Re4 Rd7 44. g4+ Kg6 45. Re5 Nd4 46. Kf2 Kf7 47. Nf4 Re7 48. Rh5 Kg8 49. Rd5 Nc6 {Inhibits Rd8+.} 50. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Ra7 51. Kg3 Ne7 52. Rd6 Kf7 53. Ne6 (53. h5 $142) 53... h6 54. Nf4 Rb7 55. h5 Ng8 56. Ne6 Re7 57. Nd8+ Ke8 58. Nc6 Rd7 {To avoid Rd8+} 59. Re6+ Kf7 60. Re3 {[#] Ne5+ is the strong threat. White is more active.} Rd6 61. Ne5+ Kf8 62. Ra3 {Black must now prevent Ra8+.} Nf6 63. Kf4 Rd8 64. Kf5 Kg8 65. Nc6 Re8 66. Nd4 Nh7 67. Ra7 Ng5 {Inhibits Ne6.} 68. f4 Rf8+ 69. Ke5 Nf7+ (69... Re8+ $16 {keeps fighting.} 70. Kd5 Ne4) 70. Kd5 $18 Rd8+ 71. Ke4 Nd6+ 72. Kf3 Nf7 73. Nc6 Re8 74. Ne7+ Kf8 75. Nf5 {[%cal Oa7f7]} Rb8 76. Kg3 Rb3+ 77. Kf2 {[#] aiming for Ra8+.} Rb8 {Inhibits Ra8.} (77... Rd3 $142 78. Ke2 Rd5) 78. Kg2 Rb2+ 79. Kh3 {Hoping for Ra8+.} Rb3+ 80. Kh4 {Strongly threatening Ra8+.} Rb8 {Prevents Ra8.} (80... Rd3 $142 81. Rc7 Rd8) 81. Rc7 (81. Ra6 $142) 81... Ra8 $2 (81... Rd8 {was necessary.} 82. Rc6 Rd7) 82. Rb7 $2 (82. Rc6 $18 {is the precise move to win.}) 82... Rd8 $16 83. Ra7 $2 (83. Ne7 $16) 83... Rb8 $1 $18 84. Ra6 {Threatens to win with Rg6.} Rc8 $2 (84... Nd8 85. Kg3 Rb3+ 86. Kh4 Rb8) 85. Rg6 {Weighted Error Value: White=0.07 (flawless) /Black=0.13 (very precise)} 1-0 [Event "84th Tata Steel Challengers 2022"] [Site "Wijk aan Zee"] [Date "2022.01.30"] [Round "13.2"] [White "Nguyen, Thai Dai Van"] [Black "Ganguly, Surya Shekhar"] [Result "1/2-1/2"] [ECO "D39"] [WhiteElo "2609"] [BlackElo "2627"] [Annotator "TA"] [PlyCount "47"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,34,15,19,11,38,35,33,42,34,39,34,35,37,26,33,35,35,11,35,34,39]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 h6 7. Bxf6 Qxf6 8. Bxc4 c5 9. O-O {Nb5 is the strong threat. D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.} cxd4 $1 {9...cxd4 scores better than 9...0-0.} 10. Nb5 {[#] Strongly threatening Nc7+.} Qe7 {Inhibits Nc7+.} 11. Qxd4 O-O 12. Nxa7 Bc5 13. Nxc8 Rxc8 14. Qd3 Nc6 15. Qe2 Rd8 16. Rad1 Rxd1 17. Rxd1 Rd8 {[#] Weighted Error Value: White=0.04 (flawless) /Black=0.06 (flawless)} {Predecessor:} 18. Rxd8+ $146 Qxd8 19. g3 Nd4 20. Nxd4 Qxd4 21. Kg2 g5 22. a3 h5 23. h3 Kf8 24. a4 {½-½ (37) Fridman,D (2608)-Meier,G (2628) Dortmund 2021} 1/2-1/2