[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Le, Quang Liem"]
[Black "Pena Gomez Manuel"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2736"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,95,28,44,76,77,75,75,71,72,60,37,37,45,37,37,46,40,47,40,61,29,93,85,100,97,100,80,83,86,95,42,57,29,31,27,26,18,44,56,67,60,97,102,87,87,145,145,145,164,160,147,139,129,231,0,104,104,195,201,1668,1742,1692,1495,1790,1806,1857,1794,4685,2710,4914,4914,4914,4827]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 g6 8. Nc3 Bg7 9. Be3 Nf6 10. h3 O-O 11. O-O Rfc8 12. b3 Nxd4 {B52: Sicilian: Moscow Variation with 3...Bd7} (12... a6 13. Nd5 Nxd5 14. exd5 Nxd4 15. Bxd4 Bxd4 16. Qxd4 b5 17. Rfe1 bxc4 18. bxc4 Rc7 19. Qh4 Rac8 20. Re4 {½-½ (50) Howell,D (2611)-Anand,V (2804) London 2010}) 13. Bxd4 {LiveBook: 5 Games} b5 14. Nxb5 Nxe4 {White is better.} 15. Bxg7 Kxg7 16. Qd4+ Nf6 17. Rad1 a6 18. Nc3 Qa7 19. Qd2 $146 ({Find the theoretical novelty and annotate with similar games:} 19. Qh4 Rc5 20. Rfe1 {0-1 (66) Simacek,P (2498)-Biolek,R (2437) Ceske Budejovice 2017}) 19... h5 20. Rfe1 {[%cal Bf1e1,Be1e3,Be3d3][%mdl 32]} Rc5 21. Re3 Rd8 22. Qd4 Rd7 (22... Rc7 $11 {remains equal.}) 23. Ne4 $1 $16 {[%cal Re4c5]} e5 24. Qd3 Nxe4 25. Qxe4 a5 26. Red3 Qb6 27. Qe3 (27. g4 $16) 27... a4 $14 28. Kh2 (28. g4 $5 {[%cal Rg4h5]}) 28... axb3 29. axb3 Rc6 30. Qd2 Rb7 31. f4 Qb4 32. Qc1 ({But not} 32. Rxd6 Rxd6 33. Qxb4 (33. Qxd6 Qxd6 34. Rxd6 e4 $11) 33... Rxb4 $11) 32... e4 33. Qa1+ Kh7 34. Rg3 {f5! is the strong threat.} f5 (34... Qb6 $142) 35. Qf6 $16 Rg7 36. Rd5 $1 {[%cal Rd5b5] Strongly threatening Rb5.} Rcc7 37. Rxd6 $40 {[%cal Rg3g6][%mdl 128] White goes for the king.} Rcf7 38. Qd4 Qe1 {[#]} (38... h4 $16 39. Rg5 Qe1) 39. c5 $2 ({White has to play} 39. Qe5 $1 $18) 39... Ra7 (39... Qf1 $1 $11) 40. Qd1 Qxd1 (40... Ra1 $16 41. Qxe1 Rxe1) 41. Rxd1 $18 Rgd7 $2 (41... Rgc7) 42. Rxd7+ {White is clearly winning.} Rxd7 {[%mdl 4096] Endgame [#] KR-KR} 43. c6 $1 {[%cal Rc6d7]} Rc7 44. Rc3 e3 45. Kg3 Re7 46. Rc1 h4+ 47. Kf3 e2 48. Kf2 {Precision: White = 69%, Black = 43%.} 1-0

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Gordievsky, Dmitry"]
[Black "Karthikeyan, Murali"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2630"]
[BlackElo "2592"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,179,12,15,33,31,51,10,56,53,64,61,63,26,45,-4,0,-3,0,-24,7,7,26,12,40,18,44,0,46,0,56,18,62,22,22,19,16,12,41,43,38,16,37,53,67,54,33,0,0,0,0,0,0,0,0,-130,-92,-95,0,0,0,0,0,0,0,0,0,0,183,184,187,184,172,179,343,86,85,82,158,160,126,143,145,71,53,43,62,6,6,4,10,1,10,2,46,41,215,215,221,221,231,161,166,75,75,75,75,79,80,8,27,47,54,0,0,0,0,0,54,54,54,54,69,69,69,76,77,8,8,8,8,8,8,8,8,8,8,8,29962,29967,29967,29968,29968,29969,29969,29968,29968,29969,29970,29971,29972,29973,29972,29973,29973,29974,29973,29974,29977,29978]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. d4 c5 6. d5 b5 7. cxb5 a6 8. bxa6 Qa5+ 9. Nfd2 d6 10. O-O Bxa6 11. Nc3 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6a4,Ba4c3][%mdl 32]} 12. Qc2 {LiveBook: 7 Games} Rfc8 {A58: Benko/Volga Gambit: Lines with 5 bxa6} 13. Rb1 (13. Rd1 Rab8 14. Rb1 Ne5 15. h3 Nfd7 16. Nb3 Qb6 17. Bg5 h6 18. Bd2 Nc4 19. Be1 Qa7 20. Nc1 {½-½ (85) Socko,B (2636)-Andreikin,D (2688) Moscow 2012}) 13... c4 14. Rd1 Bb7 $146 {[%cal Rf6d5] The position is equal.} ({Predecessor:} 14... Rab8 15. Nf3 Bb7 16. e4 Nc5 17. Bf1 Na6 18. a3 Rc7 19. Nd4 Ng4 20. Ncb5 {1-0 (28) Panczyk,K (2338)-Morris,G (2141) Monmouth 2000}) 15. Nf1 Nb6 {[%cal Rf6d5]} 16. Bd2 Na4 17. Ne3 Nxc3 18. bxc3 (18. Bxc3 {with more complications.} Qxa2 19. Qd2 Rc5 20. Bd4 Rcc8 21. Nc2) 18... Bxd5 19. Nxd5 Nxd5 20. Be1 Rc5 (20... Nxc3 $2 21. Bxa8 Rxa8 22. Rbc1 $18) 21. a4 Rac8 {[%cal Rg7c3]} 22. e4 Nf6 23. Rb7 R8c7 24. Rdb1 h5 25. R7b5 Qa7 (25... Rxb5 $11 26. Rxb5 Qa6) 26. Kh1 Ng4 27. Rb8+ Kh7 28. h3 Ne5 29. Bd2 Nd3 30. Be3 Qa5 31. Bxc5 Qxc5 32. Kg1 Be5 33. R8b5 Qa7 $1 34. Bf1 {Strongly threatening Kg2.} Bxg3 $1 35. Kg2 Bh4 {[%cal Rd3f2]} 36. Bxd3 cxd3 37. Qa2 Kg7 38. R1b3 (38. Qd2 $11 {keeps the balance.}) 38... Rc4 {[%mdl 1024] Black has strong compensation.} 39. R5b4 Rc5 (39... d5 $1 $17 40. Rxc4 (40. exd5 Qd7 $17) 40... dxc4) 40. Qd2 $1 $11 Rg5+ 41. Kf1 Qd7 42. Qxd3 Bg3 $1 43. Ke2 (43. fxg3 $2 Qxh3+ 44. Kf2 (44. Ke1 $2 Rxg3 45. Qd4+ e5 $19) 44... Qh2+ 45. Kf1 (45. Ke1 $2 Rxg3 46. Qd4+ e5 $19) 45... Rxg3 $19) 43... Qxh3 44. Qf3 {Black must now prevent Rb7.} ({But not} 44. fxg3 $2 Rxg3 45. Qd4+ f6 $19) 44... Qh4 $2 (44... h4 $11 {and Black stays safe.}) 45. Rb1 $1 $36 {[%mdl 2048] Black is under strong pressure.} ({Avoid the trap} 45. fxg3 $2 Rxg3 46. Qf2 Qg4+ 47. Ke1 Rg1+ 48. Qxg1 Qxg1+ 49. Ke2 h4 $19) 45... Bh2 46. Rh1 Rc5 47. Rd4 Qf4 $2 (47... Kf8 {keeps fighting.} 48. Qg2 Rxc3) 48. Qxf4 $2 (48. Qh3 $1 $18 {is the precise move to win.}) 48... Bxf4 {[%mdl 4096] Endgame KRR-KRB} 49. Kd3 Kh6 (49... Be5 $142) 50. Rd5 $16 Rc8 51. Rb5 Be5 52. c4 (52. Rb3 $142) 52... g5 53. a5 Ra8 54. c5 (54. Rh3 $14) 54... dxc5 $11 55. Rxc5 f6 56. f3 Bd6 57. Rb5 Bc7 58. Ra1 g4 $2 ({Black should try} 58... h4 $14) 59. fxg4 $18 hxg4 60. a6 g3 61. Ke2 Be5 62. Rxe5 (62. Rh1+ $1 $18 Kg5 63. Ra5) 62... fxe5 {[#] KR-KR} 63. Kf3 $1 Kg5 64. Kxg3 Ra7 65. Kf3 (65. Ra3 $16) 65... Kh4 66. Ke3 {Hoping for Kd3.} Kg4 67. Rg1+ (67. Ra5 $14) 67... Kh5 $11 68. Rh1+ (68. Ra1 $11 Kg5 69. Ra2) 68... Kg5 $14 69. Ra1 Kg4 $1 70. Ra5 e6 71. Ra1 ({Much worse is} 71. Rxe5 Rxa6 72. Rc5 Ra3+ 73. Kd4 Kf4 $11) 71... Kg3 72. Ra2 {Ra3 is the strong threat.} Kg4 73. Ra5 {And now Ra2 would win.} Kg3 74. Rxe5 (74. Ra3 $16) 74... Rxa6 $11 75. Rg5+ Kh4 76. Kf4 {Threatening Rg8.} Rb6 77. Rg1 {[%cal Rg1h1]} Kh5 78. Ke5 {aiming for Kf6.} Rb4 79. Rg8 Kh6 $2 {[%mdl 8192] [#]} (79... Kh4 $11) 80. Kf6 $1 {[%cal Rg8h8] White mates.} Kh7 81. Rg4 Rb6 82. e5 Ra6 83. Rg7+ Kh6 84. Rg2 {[%cal Rg2h2]} Kh5 85. Rg8 Kh4 86. Re8 Ra1 87. Kxe6 Kg5 88. Rg8+ Kf4 89. Kf6 Ra5 90. Rg1 {Precision: White = 47%, Black = 48%.} 1-0

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Aravindh, Chithambaram VR."]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2617"]
[BlackElo "2458"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,90,33,52,-29,-39,-39,-27,-74,-40,-103,-83,-92,-108,-120,-119,-110,-119,-136,-100,-193,-123,-125,-131,-133,-110,-110,-101,-117,-84,-81,-85,-85,-81,-83,-82,-82,-83,-111,-112,-141,0,0,0,-260,-276,-1714,-1712,-1059,-943,-29988,-29989,-29993,-29994,-29994,-29994,-29994,-29995,-29995,-29982,-29994,-29990,-29990,-29987]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bf1 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Bd6 13. Nf5 Bxh2+ 14. Kh1 O-O (14... Kf8 15. Qd4 exf5 16. Qxf6 h6 17. Qd4 Bd6 18. Bd2 Be6 19. Bc3 Rh7 {0-1 (48) Karjakin,S (2781)-Caruana,F (2808) Paris 2017}) 15. Nxg7 Kxg7 {LiveBook: 3 Games} 16. Qd2 (16. Qd4 $1 $14 Qd8 17. Qh4) 16... Ng8 $11 {Threatens to win with ...Bd6.} 17. g3 $1 {[#]} Bxg3 $1 {[#]} 18. fxg3 $146 ({Predecessor:} 18. Qg5+ Kh8 19. fxg3 f6 {1-0 (53) Mamedov,R (2688)-Kovalenko,I (2684) Tallinn 2016}) 18... Bd7 19. Qd4+ (19. Qg5+ $15 Kh8 20. Bd3) 19... f6 $17 20. Bf4 Bc6+ 21. Kg1 Qf7 $1 {...e5 is the strong threat.} 22. Bd6 Rfe8 23. Rad1 Rad8 ({Much less strong is} 23... Qh5 24. Bg2 $15) 24. c4 {[#]} (24. Qg4+ $17 Qg6 25. Qxg6+ hxg6 26. a3) 24... Qh5 (24... Nh6 $1 $19 25. Bg2 Bxg2 26. Kxg2 Nf5 27. Qg4+ Kh8) 25. Bg2 e5 26. Qb6 Bxg2 27. Kxg2 Qf7 28. Rd5 Ne7 29. Bxe7 Qxe7 30. Red1 {[%cal Rd5d8]} Rxd5 31. cxd5 {[%mdl 4096] Endgame KQR-KQR} Qd7 32. d6 Rc8 {Strongly threatening ...Rc2+.} 33. Rd2 Rc1 34. Qb3 Qf5 (34... Qc6+ $17 35. Qd5 Rc2) 35. Qxb7+ $11 Kg6 {White must now prevent ...Qf1+.} 36. Rf2 $2 {[%mdl 8192]} (36. Qd5 $11 {and White stays safe.}) 36... Qh5 $19 {[%csl Gc1][%cal Rh5h1]} 37. Rf1 $2 {[#]} (37. Qe4+ f5 38. Qh4 Qxh4 39. gxh4) 37... Qe2+ $1 38. Rf2 Qe1 {[%csl Gc1][%cal Re1h1]} 39. Kf3 f5 {Black mates.} 40. Rg2 Qd1+ 41. Re2 e4+ 42. Ke3 Qd3+ 43. Kf4 Qxe2 44. Qe7 Qd2+ 45. Ke5 Qxb2+ {Precision: White = 29%, Black = 72%.} 0-1

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Zhao, Jun"]
[Black "Wang, Hao"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2599"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,80,20,19,47,32,34,7,0,0,25,0,0,0,15,0,2,0,9,-14,0,0,0,-25,-36,-77,-75,-75,-81,-73,-81,-77,-78,-82,0,0,10,9,10,10,10,10,10,10,10,10,10,8,9,8,8,0,0,0,8,17,8,16,16,8,18,0,0,0,13]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. O-O Bg7 8. h3 O-O 9. Re1 Re8 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 10. Be3 {LiveBook: 5 Games} d5 11. Nbd2 h6 {White is slightly better.} 12. exd5 $146 ({Predecessor:} 12. Bxc6 bxc6 13. Qa4 Bd7 14. Qc2 Nh5 15. d4 f5 16. exf5 {½-½ (69) Nisipeanu,L (2687)-Sevian,S (2620) Tbilisi 2017}) 12... Nxd5 13. Bxc6 bxc6 14. Qa4 Bf5 15. Ne4 (15. Qxc6 Bxd3 16. Nc4 Re6 $17) 15... Rb8 16. Rab1 Nb6 17. Qc2 ({Much weaker is} 17. Qxc6 Bd7 $17) 17... g5 18. Rbd1 Nd5 19. Bc1 Nf4 20. d4 (20. Bxf4 {with more complications.} exf4 21. b4 Qd5 22. c4 Qd8 23. a3) 20... exd4 $1 21. Bxf4 gxf4 22. Nxd4 Bxe4 $1 23. Rxe4 Rxe4 24. Nxc6 {[#]} Qe8 $1 {[%cal Re8c6]} ({Reject} 24... Qxd1+ 25. Qxd1 Rxb2 26. Qd8+ Bf8 27. Qxc7 $11) 25. Nxb8 {[#]} Re6 (25... Re7 $1 $17 26. Nxa6 Re1+ 27. Kh2 f3 28. Rxe1 Qxe1 29. gxf3 Qf1) 26. Nd7 $36 {[%mdl 2048] The position is equal. White is more active.} f3 {Threatening ...Rg6.} 27. Qf5 Re1+ $1 28. Rxe1 Qxe1+ 29. Kh2 Qxf2 {[%csl Gf3][%cal Rf2g2]} 30. Qxf3 Qxb2 31. Qa8+ Kh7 32. Qe4+ Kg8 33. Qe8+ Kh7 34. Qe4+ Kg8 35. Qe8+ Kh7 36. Qxf7 {White wants to mate with Nf6+.} Qxc3 37. Nf8+ Kh8 38. Ng6+ Kh7 39. Nf8+ Kh8 {( -> ...Be5+)} 40. Ng6+ Kh7 {Precision: White = 43%, Black = 78%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Rozum, Ivan"]
[Black "Diu Viacheslav"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2582"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,85,9,22,14,72,74,85,88,113,122,120,120,119,121,108,130,139,145,193,179,189,187,179,191,312,287,284,226,508,290,627,638,579,460,580,472,447,316,310,310,302,281,308,292,278,306,423,423,423,423,422,416,418,415,29967,29968,5143,400,744,742,29994,29995,29995,29996,29998,29999]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 e6 5. O-O Nd7 6. cxd5 exd5 7. h3 {A11: English Opening: 1...c6} Bh5 8. d3 Ngf6 9. Qc2 (9. Nc3 Be7 10. e4 O-O 11. exd5 Nxd5 12. Nxd5 cxd5 13. Be3 Bc5 14. d4 Bd6 15. Rc1 Re8 16. Re1 Nb6 17. g4 Bg6 18. Ne5 Be4 19. Qb3 Bxg2 20. Kxg2 h5 {0-1 (56) Meier,G (2650)-Karjakin,S (2760) Riadh 2017}) 9... Bd6 10. e4 O-O 11. Nc3 Re8 {LiveBook: 11 Games} 12. Nh4 Be5 $146 {[#]} (12... Nc5 $11) ({Find the theoretical novelty and annotate with similar games:} 12... Nc5 13. f4 Ne6 14. Kh2 Bc5 15. Na4 Bf8 16. Nc3 Bc5 17. Na4 Bf8 {½-½ (47) Fodor,T (2493)-Pert,N (2566) Reading 2017}) 13. f4 $1 $16 {[%cal Rf4e5]} Bd4+ 14. Kh2 Nc5 {White should prevent ...dxe4.} 15. e5 Nfd7 16. Nf5 Bxc3 17. bxc3 {Hoping for d4.} Bg6 18. g4 Bxf5 19. gxf5 Qh4 20. d4 Ne4 21. Bxe4 dxe4 22. Qxe4 Nf6 (22... Nb6 {was worth a try.} 23. Rb1 Rad8) 23. Qf3 Nd5 24. Rg1 g6 $2 (24... Kh8 25. c4 Nb6) 25. f6 Rad8 $2 (25... Kh8 26. f5 gxf5) 26. f5 $18 Nxc3 27. Qxc3 Rxd4 {[#]} 28. e6 $1 Qxf6 (28... fxe6 29. Bg5) 29. Be3 Qe5+ 30. Rg3 Re4 31. Qxe5 ({Weaker is} 31. Bxa7 Qxf5 32. exf7+ Qxf7 $16) 31... Rxe5 32. Rf1 {Strongly threatening exf7+.} ({Not} 32. Bxa7 Rxf5 33. exf7+ Kxf7 $16) 32... fxe6 33. fxg6 Rf5 34. gxh7+ Kxh7 35. Rfg1 Re7 36. Bxa7 Ra5 37. Rg4 {Threatening mate with Rh4+.} Kh8 (37... Rh5 $18 38. Be3 Rf7) 38. Bd4+ e5 39. Rg8+ (39. Bc3 $142 Rxa2+ 40. Kh1) 39... Kh7 40. R8g5 {[%cal Rg5h5]} Rxa2+ 41. Kh1 {[%cal Rg5h5] White mates.} Kh6 42. Be3 Ra3 43. Rg6+ {Precision: White = 84%, Black = 40%.} 1-0

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Pichot, Alan"]
[Black "Lu Chan Hung"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2558"]
[BlackElo "2181"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,115,23,28,60,0,46,0,0,0,0,0,0,-25,-50,-60,33,-55,-49,-45,4,-93,-40,-70,-67,-73,-27,-35,-9,-17,21,39,33,28,62,59,57,0,0,0,0,0,0,0,0,-18,7,6,24,29,18,8,52,62,62,68,71,73,68,31,69,38,63,42,99,0,0,-24,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0]} 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Ne4 f5 6. Nc3 {LiveBook: 44 Games} Ne7 {B29: Sicilian: 2 Nf3 Nf6 (Nimzowitsch Variation)} 7. b3 (7. Nb5 $14 Ng6 8. d4) 7... Ng6 $146 ({Predecessor:} 7... a6 8. g3 Nbc6 9. Bg2 Ng6 10. Bb2 Be7 11. O-O O-O 12. Re1 b5 13. h4 Bb7 14. Ne2 {0-1 (35) Najer,E (2627)-Khismatullin,D (2584) Dagomys 2008}) 8. Bb2 a6 9. Qe2 Nc6 10. O-O-O Qc7 11. Re1 b5 12. h4 h5 ({Better is} 12... Nd4 $15 13. Qe3 Bb7) 13. Qe3 ({White should play} 13. a4 $1 $14) 13... Bb7 14. Rh3 Be7 15. Kb1 (15. a4 $1 $11 {was the only way to keep the balance.}) 15... Rh6 ({Black should try} 15... O-O $17 16. Nd1 Rac8) 16. d3 Nd4 $1 17. Ng5 b4 18. Ne2 Nxe2 19. Bxe2 f4 20. Qd2 Bxg2 21. Rh2 Bc6 22. Qd1 {[#]} Nxh4 $1 {[%mdl 512]} 23. Rxh4 (23. Rg1 $1 $14 f3 24. Rxh4 fxe2 25. Qxe2) 23... Bxg5 $11 24. Rxh5 Rxh5 25. Bxh5+ Kd8 26. Qg4 Bh6 27. Bc1 Kc8 ({But not} 27... g5 $6 28. Bg6 $16 (28. Bxf4 Qb8 $14)) (27... a5 {is interesting.} 28. Bxf4 Qa7 29. Bxh6 gxh6 30. Qh4+ Kc7) 28. Bxf4 Kb7 29. Bxh6 gxh6 30. Qf4 Qd8 31. Bf3 ({Don't play} 31. Qxh6 Qh4 $15) 31... Qf8 32. Bxc6+ Kxc6 $14 {[%mdl 4096] Endgame KQR-KQR} 33. Qe4+ Kb6 34. Rh1 Rc8 35. Qe3 Qg7 36. Rxh6 Rf8 {[#]} 37. d4 (37. Rh4 $1 $16 {[%cal Rh4b4] Rxb4+ is the strong threat.} a5 38. f3) 37... Qg1+ $11 38. Kb2 Qxf2 39. dxc5+ {The position is equal.} Kc7 40. Rh3 Qxe3 41. Rxe3 {KR-KR} Kc6 42. Rd3 Rf5 43. a3 a5 44. Rd6+ Kxc5 45. Rxd7 Rxe5 46. Rb7 Kc6 47. Rb8 Rb5 48. Rc8+ Kd6 49. Rc4 Rc5 50. Rd4+ Ke5 51. Rd2 Ke4 52. Rh2 bxa3+ 53. Kxa3 e5 54. Kb2 Ke3 55. c4 Kd3 56. Rh8 a4 57. Rd8+ Ke4 $1 58. bxa4 {Precision: White = 53%, Black = 55%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Krysa, Leandro"]
[Black "Tran, Minh Thang"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2548"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,51,22,46,33,32,0,101,-75,32,28,32,19,44,27,29,28,36,-6,-11,-17,-11,-13,-13,-14,-12,-4,0,0,0,0,0,0,0,-2,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 O-O 6. O-O dxc4 7. Na3 c3 8. bxc3 c5 9. Re1 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6} Nc6 {LiveBook: 29 Games} 10. Bb2 Ne4 (10... Nd5 11. e4 Nb6 12. Rb1 Bg4 13. d5 Ne5 14. c4 e6 15. Qb3 Bxf3 16. Bxf3 exd5 17. exd5 {1-0 (42) Meier,G (2647)-Van Wely,L (2656) chess.com INT 2018}) 11. d5 $146 {White is slightly better.} ({Predecessor:} 11. e3 f5 12. Nd2 Nxd2 13. Qxd2 e5 14. d5 e4 15. Nc4 Na5 16. Nxa5 Qxa5 {0-1 (48) Barseghyan,A (2020)-Babujian,L (2458) Yerevan 2017}) 11... Nb4 {[#]} (11... Bxc3 $6 12. Bxc3 Nxc3 13. Qb3 $16) (11... Na5 $11) 12. Nh4 $2 {[#]} (12. Ne5 $1 $16 {[%mdl 512]} Bxe5 13. Bxe4) 12... Bxc3 (12... f5 $1 $17) 13. Bxc3 $14 Nxc3 14. Qb3 $1 {[%cal Rb3c3]} Ncxd5 ({But not} 14... Nbxd5 $6 15. e4 $16) 15. Red1 {[%cal Rg2d5]} Qa5 $1 16. Nc4 Qa6 $1 ({Don't play} 16... Qd8 $6 17. a3 $16) 17. a3 Nb6 $1 {The position is equal.} 18. axb4 Qxc4 19. Qxc4 Nxc4 20. bxc5 a5 21. Nf3 Be6 22. Nd4 {Hoping for Rdc1.} Rac8 23. c6 bxc6 24. Nxc6 Rc7 25. Nxa5 Nxa5 26. Rxa5 {Precision: White = 63%, Black = 59%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Lei, Tingjie"]
[Black "Tu, Hoang Thong"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2545"]
[BlackElo "2414"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,47,-4,0,-14,-23,-42,-40,-37,0,-115,-114,-112,-110,-114,-105,-101,-71,-103,-119,-105,-103,-108,-89,-96,-67,-131,-118,-111,-59,-71]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Nbd7 9. Ne2 c5 10. g3 {C15: French: 3 Nc3 Bb4: Unusual White 4th moves} (10. Ng3 Qa5 11. Qd2 Nb6 12. dxc5 Qxc5 13. Qd4 Qxd4 14. cxd4 Bd7 15. c4 Rc8 16. c5 Nbd5 17. Bd2 h5 {1-0 (48) Nepomniachtchi,I (2728)-Sjugirov,S (2670) Sochi 2015}) 10... Qa5 {LiveBook: 3 Games} 11. Bg2 $146 ({Predecessor:} 11. Qd2) 11... b6 12. O-O {Threatening Bg5.Black has an edge.} Ba6 13. Qe3 Rc8 {White must now prevent ...cxd4.} 14. Bd2 {[#]} (14. Re1 $1 $11) 14... cxd4 $1 $17 15. cxd4 Ng4 $36 {[%mdl 2048] Black is really pushing.} 16. Bxa5 Nxe3 17. fxe3 bxa5 (17... Bxe2 {keeps more tension.} 18. Rf2 bxa5 19. Rxe2 f5 20. Rb1 Nb6) 18. Rfe1 Bxe2 19. Rxe2 f5 20. d5 Ke7 21. dxe6 Kxe6 22. Rf1 {[#]} (22. Rb1 $15) 22... Ne5 $1 23. Ref2 Rg5 (23... Rc3 $17 24. Rxf5 Nf3+ 25. R1xf3 exf3) 24. Rb1 $1 {Precision: White = 29%, Black = 56%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Vishnu Prasanna. V"]
[Black "Hoang, Canh Huan"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2526"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,107,0,9,0,10,0,6,8,46,37,31,36,38,21,58,55,60,60,48,22,22,22,23,13,28,26,37,22,41,47,46,52,42,26,66,60,61,52,77,60,86,79,96,102,111,105,94,98,106,102,100,102,304,310,310,310,310,306,310,302,302,289,327,287,339,338,344,336,382,382,382,381,452,383,582,539,652,607,639,632,709,672,839,824,942,897,1266,1172]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. b3 O-O 9. Bb2 Re8 10. Rc1 Bf8 11. d3 {A29: English Opening: Four Knights Variation with 4 g3} a5 {LiveBook: 5 Games} (11... Bg4 12. h3 Bh5 13. Ne4 Rb8 14. Nc5 Bxc5 15. Rxc5 f6 16. a3 Qd7 17. b4 Bf7 18. Qc2 Rbc8 19. Rc1 a6 20. Nd2 Nd5 {1-0 (52) Eljanov,P (2711)-Ganguly,S (2650) Riadh 2017}) 12. a3 Bg4 13. Re1 $146 {The position is equal.} ({Predecessor:} 13. h3 Be6 14. Ne4 Nd4 15. Ned2 Nxf3+ 16. Nxf3 f6 17. Qc2 c5 {½-½ (69) Murshed,N (2449)-Rahman,S (2252) Dhaka 2016}) 13... Rb8 14. Ne4 Bxf3 15. Bxf3 Nd4 16. Bg2 c6 17. Nd2 Nb5 18. Nc4 Nxc4 19. bxc4 Nc7 {[%cal Bb5c7,Bc7a6,Ba6c5][%mdl 32]} 20. Qd2 Na6 21. Qc2 Nc5 22. a4 Qd7 23. Red1 Qe6 24. e3 Qg6 25. Bc3 Ra8 26. Rb1 Red8 {[%cal Rc5d3]} 27. Bxe5 {Threatens to win with e4.} Nxd3 28. Bd4 Nc5 29. Rd2 Rab8 30. h4 Qxc2 31. Rxc2 Nxa4 {[#]} 32. c5 $1 b6 33. cxb6 c5 34. Be5 Rxb6 35. Ra1 $36 {[%mdl 2048] White has strong initiative.} Rb4 36. Bc7 Rd3 $2 {[#]} (36... Rd7 $16 37. Bxa5 Rb2) 37. Bxa5 $18 Nb6 38. Bxb4 cxb4 39. Rc6 Nd7 40. Bf1 Rd2 41. Rc7 b3 42. Rb7 b2 43. Rb1 Ne5 44. R7xb2 Rd6 45. Be2 g6 46. Rc2 h5 47. Rb7 Rf6 (47... Rd7 $142) 48. Kg2 {White is clearly winning.} Kg7 49. f4 Nc6 50. Bf3 Ne7 51. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Ra6 52. Rcc7 Kf6 53. Bd1 Ra8 54. e5+ {Precision: White = 83%, Black = 37%.} 1-0

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Deepan Chakkravarthy J."]
[Black "Bui, Vinh"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2520"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,108,65,23,41,61,56,0,0,0,56,28,25,37,55,-24,-19,-19,-16,-14,-18,-55,-46,-46,-39,-33,-32,-65,0,0,0,0,0,0,0,-18,0,0,17,0,0,0,0,0,7,0,0,0,0,32,20,8,8,14,51,36,75,34,39,0,0,0,6,0,0,0,0,0,0,0,0,-1228,-1262,-6536,-2939,-12828,-4499,-1702,-1514,-497,-473,-2015,-1274,-12845,-12846,-12847,-12847]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. O-O d6 8. c4 Nd7 9. Nc3 Ngf6 10. f4 {B42: Sicilian: Kan Variation: 5 Bd3} (10. a4 b6 11. a5 O-O 12. axb6 Nxb6 13. Be3 Qc7 14. Na5 Rb8 15. b4 Nfd7 16. Rc1 Ne5 17. Be2 Nbd7 {1-0 (64) Kasimdzhanov,R (2704)-Gajewski,G (2654) Berlin 2015}) 10... b6 11. Qe2 Qc7 12. Bd2 Bb7 13. Rae1 {LiveBook: 59 Games} g6 14. e5 Nh5 15. exd6 (15. f5 $14 Nxe5 16. fxe6 fxe6 17. Nd4) 15... Bxd6 $11 {[%cal Rh5f4]} 16. Nd5 Qb8 $146 (16... Qd8 $11) 17. g4 Ng7 18. Qf2 b5 19. Nb6 (19. f5 $14 O-O 20. f6 bxc4 21. Ne7+ (21. fxg7 Kxg7 22. Bxc4 exd5 $15) (21. Bxc4 exd5 22. fxg7 Kxg7 $15) 21... Bxe7 22. fxe7 cxd3 23. exf8=N (23. exf8=R+ Qxf8 24. Qd4 Bd5 $14) 23... Qxf8 24. Qd4) 19... Nxb6 20. Qxb6 bxc4 21. Bxc4 O-O 22. Na5 Bd5 23. Qxb8 Raxb8 24. Bxd5 exd5 25. b3 Rfc8 (25... f5 $15 26. h3 fxg4 27. hxg4 Rfc8) 26. Rc1 $1 f5 27. Nc6 Ra8 28. h3 {[%cal Bh2h3,Bh3g4,Bg4f5,Bf5f6][%mdl 32]} Ne6 29. b4 Rf8 30. Rce1 Rae8 31. a4 fxg4 32. hxg4 Nc7 33. f5 gxf5 34. Rxf5 Rxe1+ 35. Bxe1 Rxf5 36. gxf5 {[%mdl 4096] Endgame KBN-KBN} Kf7 37. Bc3 Ne8 38. Kg2 Ng7 39. Nd8+ Ke8 $1 40. f6 $1 {[%cal Rf6g7]} Nf5 41. Ne6 Kf7 42. Nd8+ Kg6 43. Nb7 Bf8 44. b5 axb5 45. a5 b4 {[%cal Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 46. Bb2 {Black must now prevent a6.} Nd6 47. Nxd6 $4 {[%mdl 8192]} (47. Nd8 $11) 47... Bxd6 {KB-KB. Black is clearly winning.} 48. Bd4 b3 49. a6 Bb8 50. Kf3 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 51. Ke2 h4 52. Kd3 ({Not} 52. a7 {[#]} Bxa7 $1 {[%mdl 512]} 53. Be5 h3) (52. Be5 $142 Bxe5 53. f7 $1 {[%mdl 512]}) 52... h3 {...h2 is the strong threat.} 53. Be5 b2 54. Kc2 Bxe5 {Precision: White = 32%, Black = 69%.} 0-1

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Saduakassova Dinara"]
[Black "Shyaamnikhil P"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2479"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,38,61,39,53,41,59,48,81,83,103,98,89,93,113,109,110,104,109,104,117,122,131,108,139,136,154,122,140,138,137,119,114,112,115,129,128,123,129,125,160,159,158,128,116,52,129,127,131,132,122,131,281,238,261,271,336,339,352,327,364,269,324,310,656,648]} 1. d4 Nf6 2. c4 {[%cal Bc2c4,Bc4b5][%mdl 32]} c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 {A58: Benko/Volga Gambit: Lines with 5 bxa6} Bg7 (6... Bxa6 7. Nf3 Bg7 8. e4 Bxf1 9. Kxf1 d6 10. g3 O-O 11. Kg2 Na6 12. Qe2 Qb6 13. Rd1 Qb7 14. Rb1 Nd7 15. Bg5 Rfe8 16. a3 Nc7 17. Qc2 Nb6 18. a4 Rac8 19. b3 e6 20. dxe6 Nxe6 {1-0 (27) Jakovenko,D (2714)-Zvjaginsev,V (2673) Moscow 2016}) 7. Nf3 O-O {LiveBook: 114 Games} 8. a7 {White is slightly better.} Rxa7 9. e4 d6 10. Be2 Ba6 11. O-O Qb6 12. a4 Nbd7 13. Ra3 $36 {[%mdl 2048] White is in control.} Bxe2 $146 ({Predecessor:} 13... Rb8) 14. Qxe2 Qb4 15. Nd2 Ne8 16. Rb3 Qa5 17. Nc4 Qd8 18. Ra3 Nc7 19. Bg5 h6 20. Bd2 Qb8 21. Rb1 Kh7 22. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Ne5 23. Nxe5 Bxe5 24. h5 g5 25. Nd1 Qa8 26. a5 Rb8 27. Qf3 Kg8 28. Ne3 {[#] Threatens to win with Nf5.} Nb5 29. Nf5 (29. Ra4 $16) 29... Kh7 ({Black should try} 29... Nxa3 $14 30. Nxh6+ Kg7 31. Nf5+ Kh7 32. Qxa3 Rab7) 30. Ra4 $16 e6 {[#]} 31. Ne3 $1 Nd4 32. Qd1 f5 (32... Qb7 $16 {was necessary.}) 33. exf5 $18 exf5 34. Bc3 f4 35. Nc2 ({Less strong is} 35. Bxd4 cxd4 36. Qd3+ Kh8 $16) 35... Qxd5 36. Nxd4 ({Weaker is} 36. Bxd4 cxd4 37. Nxd4 Rc8 $18) 36... cxd4 37. Qd3+ Kg8 38. Rd1 Qb3 $2 (38... g4 39. Rxd4 Bxd4) 39. Rxd4 {Precision: White = 71%, Black = 53%.} 1-0

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Dao, Thien Hai"]
[Black "Wang, Jue"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2474"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,50,2,21,0,0,0,0,-34,11,-16,-3,-45,0,-7,-4,-8,14,14,14,17,13,7,26,24,24,22,26,-10,-5,-6,-7,-10,-8]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 Nxg4 8. Rg1 Qf6 9. Rxg4 {D45: Semi-Slav: 5 e3} Qxf3 10. Rxg7 Nf6 {LiveBook: 47 Games} (10... Nf8 {NOTEXT} 11. Rg1 Bxh2 12. Be2 Qh3 13. Rf1 Ng6) 11. Qe2 (11. Rg5 {NOTEXT} Qh1 12. Bd2 Qxh2 13. O-O-O Qxf2 14. Bd3) (11. Rg5 Qh1 12. Bd2 Bd7 13. O-O-O Qxh2 14. f4 Rg8 15. Bd3 O-O-O 16. cxd5 exd5 {0-1 (74) Wei,Y (2694)-Sethuraman,S (2647) Tashkent 2016}) 11... Qxe2+ 12. Bxe2 Bd7 $146 ({Find the theoretical novelty and annotate with similar games:} 12... Kf8 13. Rg2 e5 14. cxd5 Nxd5 15. Nxd5 cxd5 16. dxe5 Bxe5 {1-0 (37) Dobrov,V (2511)-Sveshnikov,V (2394) Jurmala 2014}) 13. f4 Bf8 14. Rg2 O-O-O 15. Bd2 Be7 16. O-O-O Rhg8 17. Rdg1 Rxg2 18. Rxg2 Rg8 19. Rxg8+ Nxg8 20. e4 {[%cal Rc4d5,Be3e4,Be4e5][%mdl 32]} Bf6 21. e5 Bh4 22. f5 f6 23. Bh5 {[#] Hoping for Bf7.} Ne7 {The position is equal.} 24. fxe6 Bxe6 25. cxd5 cxd5 {Precision: White = 43%, Black = 49%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Karthikeyan, P.."]
[Black "Nguyen Ngoc Truong Son"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2473"]
[BlackElo "2630"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,40,-25,0,0,0,9,9,-19,23,11,34,10,45,-52,-54,-50,-7,-25,21,25,26,22,58,40,86,94,97,96,108]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Bg7 6. e3 O-O 7. Bd3 dxc4 {LiveBook: 4 Games. D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} 8. Bxc4 Bf5 {[%cal Bc8f5,Bf5e4,Be4c6][%mdl 32]} 9. Qe2 Nbd7 {The position is equal.} 10. O-O c5 $146 ({Predecessor:} 10... Nb6 11. Bb3 a5 12. a3 a4 13. Ba2 Nbd5 14. Be5 Qb6 15. Rc1 {1-0 (44) Mareco,S (2603)-Palozi,P (2259) Curitiba 2010}) 11. Nc3 a6 12. Nh4 Be4 13. f3 ({White should try} 13. Rfd1 $14) 13... Bc6 $15 14. d5 Nxd5 (14... Bb5 $5) 15. Nxd5 {[#] Strongly threatening Bc7.} e6 16. Bc7 Qxh4 17. g3 $1 $36 {[%cal Rg3h4][%mdl 2048] White is pushing.} Qg5 18. h4 Qxd5 19. Bxd5 exd5 20. Qd2 Rfe8 {Precision: White = 59%, Black = 30%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Santiago, Yago De Moura"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2473"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,82,36,17,17,20,44,49,50,4,13,0,12,0,28,0,-14,-36,-42,-37,-43,-52,-50,-47,-37,-55,-26,-66,-54,-83,-78,-112,-120,-159,-160,-168,-150,-202,-189,-296,-320,-304,-311,-298,-295,-292,-295,-345,-372,-445,-352,-631,-630,-806,-770,-899,-887,-837,-759,-903,-904,-890,-888,-951,-942,-1304,-1282,-1329,-1246]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {E11: Bogo-Indian} 7. Qc2 (7. Be2 c5 8. d5 e5 9. Qc2 Nbd7 10. Nf1 a6 11. Bd2 Nh5 12. g3 g6 13. Ne3 Ng7 14. Bd3 {½-½ (35) Ding,L (2774)-Carlsen,M (2837) Saint Louis 2017}) 7... Nbd7 8. Be2 c5 9. d5 {LiveBook: 6 Games} exd5 10. cxd5 Ng4 {[%cal Bf6g4,Bg4e5,Be5g6][%mdl 32]} 11. O-O Bf6 12. Nb1 Re8 13. Nc3 a6 {[#]} 14. Nd2 $146 ({Predecessor:} 14. a4) 14... Nge5 15. f4 Ng6 16. Nc4 Bd4+ $1 17. Kh1 $1 Nf6 18. f5 Ne5 19. Nxe5 Bxe5 20. Bf3 b5 {[%cal Bb7b5,Bb5b4,Bb4b3][%mdl 32]} 21. Ne2 h6 22. Bd2 a5 23. Rf2 Ba6 24. Rg1 b4 25. g4 Nh7 26. Be3 (26. Rb1 $17 {might work better.}) 26... Rb8 $19 {[%cal Ba8b8,Bb8b4,Bb4a4][%mdl 32]} 27. a4 (27. Rb1 {is a better defense.}) 27... Ng5 28. Bg2 b3 29. Qb1 Bxe2 30. Rxe2 Rb4 31. Bd2 Rxa4 32. Qe1 Nh7 33. h4 $2 {[#]} (33. Bc3 Qf6 34. Bxe5 Qxe5 35. Qd2) 33... Bxb2 {Black is clearly winning.} 34. g5 Ra1 35. Qg3 Rxg1+ 36. Kxg1 Bd4+ 37. Kh1 b2 38. Re1 Be5 39. Qe3 a4 40. f6 hxg5 41. hxg5 Qb8 {Precision: White = 27%, Black = 80%.} 0-1

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Nguyen, Van Huy"]
[Black "Wen Yang"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2454"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,22,25,10,37,22,25,27,13,19,8,20,18,8,12,0,10,0,0,0,0,0,19,0,0,0,0,0,0,0,5,10,7,17,20,0,0,0,0,0,0,0,0,0,0]} 1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. O-O O-O 6. a4 a5 7. Re1 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} Nbd7 8. e4 e5 9. Nc3 Re8 {LiveBook: 32 Games} 10. b3 (10. Be3 b6 11. h3 Bb7 12. Nh2 Rb8 13. dxe5 Nxe5 14. Rb1 Nc4 15. Bd4 c5 16. Bxf6 Bxf6 17. Qd3 Ne5 18. Qd2 Nc4 19. Qd3 Ne5 20. Qd2 {½-½ (20) Aronian,L (2799)-Kasparov,G (2812) Saint Louis 2017}) 10... b6 11. Bb2 $146 ({Predecessor:} 11. Ba3 Bb7 12. d5 Nf8 13. Nd2 h5 14. h4 Ng4 15. Nc4 f5 16. Bc1 {0-1 (58) Dedebas,E (2258)-Amartuvshin,G (2201) Ahmedabad 2017}) 11... exd4 12. Nxd4 Bb7 13. Qd2 {The position is equal.} Nc5 {[%cal Rf6e4]} 14. f3 Qd7 15. Rad1 Re7 16. Bf1 Rd8 17. Bb5 c6 18. Bf1 Qe8 19. Qc1 Nfd7 {[%cal Bf6d7,Bd7e5,Be5d3][%mdl 32]} 20. Nde2 Ne5 21. Bg2 d5 22. exd5 cxd5 23. Nb5 Ned3 24. cxd3 {[#] aiming for Bxg7.} Rxe2 25. Bxg7 Kxg7 26. Nd4 Re7 27. Nf5+ gxf5 28. Qg5+ Kf8 29. Qh6+ Kg8 30. Qg5+ Kf8 {Precision: White = 61%, Black = 63%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Harsha Bharathakoti"]
[Black "Bogdanovich, Stanislav"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2443"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,35,52,5,25,22,41,35,94,93,100,91,96,102,108,99,105,95,81,73,100,107,116,108,112,91,112,94,159,35,39,37,99,99,100,110,220]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 O-O 8. a4 d6 9. Be2 {A57: Benko/Volga Gambit} (9. Ra3 Bb7 10. Be2 axb5 11. Bxb5 Na6 12. O-O Nc7 13. Bc4 e6 14. e4 Nxe4 15. Nxe4 exd5 16. Rb3 Bc6 17. Rb6 Qd7 18. Nxd6 dxc4 19. Nxc4 Qxd1 20. Rxd1 Bxf3 21. gxf3 Rxa4 {0-1 (61) Gozzoli,Y (2561)-Bauer,C (2618) Saint-Quentin 2015}) 9... axb5 10. Bxb5 Ba6 {LiveBook: 20 Games} 11. Bd2 {White is slightly better.} Nbd7 12. O-O Qb6 13. e4 Rfb8 $146 (13... Bxb5 $14 14. axb5 Rxa1 15. Qxa1 Rb8) ({Predecessor:} 13... Bxb5 14. axb5 Rfb8 15. Qe2 Ne8 16. Ra3 Nc7 17. Rfa1 Rxa3 18. Rxa3 Bxc3 19. Rxc3 {½-½ (52) Drewes,T (1844)-Gould,C (1974) Schweinfurt 2016}) 14. Qc2 $16 Bxb5 15. Nxb5 Ne8 16. Bc3 Nc7 17. Nxc7 Qxc7 18. Bxg7 Kxg7 19. Nd4 Rb7 20. Nb5 Qa5 21. b3 Qb4 22. Rac1 Nb6 23. e5 c4 {[#]} (23... dxe5 $142 24. Qxc5 Qxc5 25. Rxc5 Nc8) 24. bxc4 ({Only move:} 24. Qe4 $1 $16) 24... dxe5 $14 25. Qe4 {Strongly threatening d6.} f6 (25... Qc5 $1 $14) 26. d6 Rab8 27. Nc7 {aiming for Rb1.} Nd7 {Precision: White = 45%, Black = 53%.} (27... Nxa4 $16 28. Qc6 Rb6) 1-0

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Nguyen Anh Khoi"]
[Black "Tran, Tuan Minh"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2435"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,47,31,19,-11,142,141,175,167,212,210,243,251,252,240,253,241,361,343,365,345,345,335,322,307,781,727]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 Na6 11. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} Bf5 12. Nh4 Bd7 {LiveBook: 6 Games} 13. Bxd6 $146 {The position is equal.} ({Predecessor:} 13. e4 c4 14. Qd2 Nc5 15. Bxd6 Nd3 16. Nf3 Ng4 17. Re2 Qb6 18. Bf4 Qxb2 19. Qxb2 Nxb2 {0-1 (40) Navara,D (2737)-Morozevich,A (2675) Biel 2017}) 13... g5 $2 (13... Ng4 $1 $11) 14. Nf3 $16 {[%cal Bh4f3,Bf3d2,Bd2c4,Bc4e5,Be5d3,Bd3f4][%mdl 32]} Qb6 15. Be5 g4 {[#]} 16. Nd2 $1 Rxe5 17. Nc4 $1 {[%csl LRb6,LRe5]} Qb4 ({Avoid the trap} 17... Qc7 $2 18. d6 $18) 18. Nxe5 {aiming for Rb1.} Qxb2 19. Rc1 {e4 is the strong threat.} Re8 (19... Ne4 $142) 20. Nd3 Qa3 21. e4 c4 22. Nf4 Re5 23. Qd4 Nc5 $2 {[#]} (23... Ne8 24. Qxc4 Nd6) 24. Qxe5 1-0

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Pham Chuong"]
[Black "Sivuk, Vitaly"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2393"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,120,47,52,3,42,29,54,0,43,40,61,56,47,50,57,39,45,52,54,35,35,20,16,13,1,0,0,0,0,0,0,0,0,0,0,0,0,0,38,0,81,-35,0,0,0,-97,-68,-80,0,0,0,0,45,29,9,-76,0,0,0,0,0,0,0,0,0,6,2,20,196,0,0,-54,152,0,100,-60,148,0,380,358,332,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,0,8]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Na6 7. Qd2 c6 8. f3 {E73: King's Indian: Averbakh Variation without 6...c5} (8. Rd1 Nc7 9. Bf3 Be6 10. b3 Qc8 11. h3 b5 12. cxb5 cxb5 13. Nge2 b4 14. Na4 Rb8 15. Rc1 Qd8 {½-½ (49) Le,Q (2726)-Naiditsch,A (2712) Danzhou 2017}) 8... Nc7 {LiveBook: 5 Games} 9. Be3 Rb8 $146 ({Predecessor:} 9... e5 10. d5 cxd5 11. cxd5 Nh5 12. O-O-O Bd7 13. Bd3 b5 14. Kb1 Qb8 {0-1 (49) Buckley,G (2417)-Trent,L (2387) London 2005}) 10. a4 {White is slightly better.} Na6 11. g4 (11. Bd1 $14) 11... c5 12. d5 Nb4 13. Nh3 e6 14. Nf2 exd5 15. cxd5 a6 16. h4 h5 17. Bg5 Qe8 18. Rc1 hxg4 19. fxg4 Nh7 20. Be3 Bd7 21. h5 Bxa4 22. Bh6 {[#]} g5 $1 {[%mdl 512]} 23. Bxg5 Nxg5 24. Qxg5 Kh8 $1 25. Qf4 Rd8 26. g5 Nc2+ 27. Kf1 Nd4 (27... Be5 $1 $11 28. Qd2 Nd4) 28. Nxa4 (28. Ng4 $16 {Threatens to win with h6.} Bb3 29. Rh2) 28... Nxe2 29. Kxe2 Qxa4 30. g6 (30. Ng4 $11) 30... Qb5+ 31. Kd1 {h6 is the strong threat.} fxg6 (31... Kg8 $1 $17 {aiming for ...fxg6.} 32. Rc2 fxg6) 32. hxg6+ $11 Kg8 33. Qh4 {[%csl Gg6,Gh1][%cal Rh4h7]} Rf6 (33... Rxf2 $5 34. Qxf2 Qd3+ 35. Qd2 Qxe4 $11) 34. Rc2 $1 Re8 35. Rg1 (35. Kc1 $11) 35... Kf8 (35... Qa4 $17 {Strongly threatening ...Qa1+.} 36. Rh1 b6) 36. Kc1 Qb3 37. Rg3 Qb4 {Black wants to play ...Qe1+.} 38. Rg1 Qd4 39. Kb1 Qe3 40. Qh2 Qf4 41. Qh3 Ke7 $2 (41... Qh6 $11) 42. Qb3 $2 (42. Qh7 $18 Qh6 43. e5) 42... b5 43. Qh3 (43. Nd3 $11 Qe3 44. Re1) 43... Qh6 $2 (43... Rh8 $15 44. Qd3 Qh2) 44. Qg3 $2 (44. Qxh6 $16 Bxh6 45. e5 $1 {[%mdl 512]}) 44... Qf4 {[#]} (44... Qh5 $1 $11 {remains equal.}) 45. Qh3 $2 (45. e5 $1 $16 {[%cal Re5f6]} dxe5 46. Qg2) 45... Qh6 $2 (45... Rh8 $15 {stays ahead.} 46. Qd3 Qh2) 46. Qg3 (46. Qxh6 $16 Bxh6 {[#]} 47. e5 $1 {[%mdl 512]}) 46... Ref8 $2 {[%mdl 8192]} (46... Qf4 $11) 47. e5 $18 Rf3 48. exd6+ $2 (48. Qg4 $18 {Qe6+ would kill now.} Kd8 49. Qe6 (49. Rh1 Qf4 $17) 49... Bxe5 50. g7 Qxe6 51. gxf8=R+ Rxf8 52. dxe6) 48... Kd8 $11 {The position is equal.} 49. Qg2 {Black must now prevent Ne4.} Qf4 {[%cal Rf3f2]} 50. Nh3 Rf1+ 51. Rxf1 Qxf1+ 52. Qxf1 Rxf1+ {[%mdl 4096] Endgame KRB-KRN} 53. Ka2 {And now Ng5 would win.} c4 54. Rf2 Rxf2 55. Nxf2 {KB-KN} Kd7 56. Ne4 a5 $132 {[%mdl 2048] Black is fighting back} 57. b3 cxb3+ 58. Kxb3 Be5 59. Ka3 Bg7 60. Kb3 Be5 {Precision: White = 39%, Black = 44%.} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Nguyen, Van Hai"]
[Black "Xu Yi"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2335"]
[BlackElo "2499"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,29,28,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Ng5 $146 Rf8 12. Nf3 Re8 13. Ng5 Rf8 14. Nf3 Re8 15. Ng5 {LiveBook: 2440 Games. C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations} 1/2-1/2

[Event "8th HDBank Cup 2018"]
[Site "Hanoi"]
[Date "2018.03.12"]
[Round "5"]
[White "Zou, Chen"]
[Black "Le, Tuan Minh"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2291"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-25,-130,-405,-401,-542,-535,-535,-528,-1195,-1118,-1065,-1064,-864,-609,-3376,-3238,-2018,-1198,-29993,-29994,-29994,-29995]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rb8 11. Bb3 Na5 12. Bh6 {B77: Sicilian Dragon: Yugoslav Attack, 9 Bc4 sidelines} (12. h4 b5 13. h5 Nc4 14. Bxc4 bxc4 15. hxg6 fxg6 16. Bh6 Qb6 17. b3 Bxh6 18. Qxh6 Qa5 19. Kb2 Rfc8 20. Nd5 cxb3 21. axb3 Kf7 22. Qd2 Qxd2 23. Rxd2 {½-½ (46) Fedoseev,V (2724)-Nakamura,H (2787) Moscow 2018}) 12... Bxh6 13. Qxh6 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 14. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} e5 15. Nde2 b4 16. Nd5 Nxb3+ {LiveBook: 54 Games} 17. axb3 {[#] Threatens to win with h5.} Nxd5 18. Rxd5 Rb6 19. h5 g5 20. Rxd6 f6 $146 21. Rhd1 Rxd6 22. Rxd6 Qe7 $36 {[%mdl 2048] Black has the initiative.} 23. Rd2 a5 24. Ng3 $2 {[%mdl 8192] [#]} (24. Kd1 $17) 24... Be6 $1 $19 25. Nf5 Bxf5 $1 26. exf5 {[%mdl 4096] Endgame KQR-KQR} Ra8 27. Kd1 a4 28. bxa4 Rxa4 29. Rd3 Ra8 {White must now prevent ...e4.} 30. Ke1 e4 31. Re3 Qd6 {( -> ...Qg3+)} 32. fxe4 Ra1+ 33. Kf2 Qd2+ {Precision: White = 27%, Black = 92%.} 0-1

