[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.1"]
[White "Bogdanovich, Stanislav"]
[Black "Mareco, Sandro"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2536"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,18,31,20,51,46,51,51,38,45,51,42,48,45,35,28,42,47,45,41,38,36,42,42,77,56,58,58,63,63,103,89,93,85,81,37,76,62,84,45,99,87,85,60,203,0,0,0,213,216,212,217,739,716]} 1. d4 Nf6 2. Bg5 d5 3. e3 c6 4. Nf3 Bf5 5. Bxf6 exf6 6. c4 dxc4 7. Bxc4 Bd6 8. Nc3 O-O 9. O-O {D00: 1 d4 d5: Unusual lines} Bg4 (9... Nd7 10. Nh4 Be6 11. Bxe6 fxe6 12. Qb3 Qe8 13. Ne4 Bb8 14. Qxb7 Nb6 15. Rac1 Qh5 16. Nf3 g5 {1-0 (26) Fischer,S (2296)-Rusakovsky,O (2031) Wuerttemberg 2011}) 10. h3 Bh5 $146 ({Predecessor:} 10... Be6 11. Bxe6 fxe6 12. Ne4 Rf7 13. Qb3 Re7 14. Nc5 Bxc5 15. dxc5 Qd5 16. Qc3 Na6 {0-1 (29) Voronkov,D (1960)-Kartsev,S (2114) Moscow 2009}) 11. g4 {White is slightly better.} Bg6 12. Nh4 Re8 13. Qf3 Nd7 14. Nf5 Nb6 15. Bb3 Qd7 16. h4 Bf8 17. h5 Bxf5 $1 18. gxf5 h6 19. Kh1 c5 20. dxc5 Bxc5 21. Rg1 {Black must now prevent Ne4.} Re5 $1 22. e4 Kh7 23. Rad1 Qc7 24. Rg4 $40 {[%mdl 128] White wants a kill.} Rg8 25. Ne2 {[%cal Bc3e2,Be2f4,Bf4e6][%mdl 32]} a5 26. a4 Re7 27. Qg2 Rd7 ({Better is} 27... Qb8 $1 $14) 28. Rg1 $16 {[%cal Rg4g7]} Bf8 29. Nf4 Qe5 (29... Qb8 $1 $14) 30. Rh4 $2 (30. Bxf7 $1 $18 {Hoping for Ne6.} Rxf7 31. Ne6 (31. Rh4 $2 Qe8 $19)) 30... Qe8 $11 31. Rg4 $2 (31. Qf3 $11) 31... Qe5 $18 {[#]} 32. Bxf7 $1 Rxf7 {[#]} 33. Ne6 $1 {Threatening mate with Rg6.} ({Don't go for} 33. Rh4 $2 Qe8 $19) 33... Bd6 $2 ({Not} 33... Kh8 34. Rg6 Qxe4 35. Qxe4 Nc8 36. Qg4 Ne7 37. Nd8 {[%mdl 64] Double Attack} Kh7 38. Nxf7) (33... Qxb2 34. Nxf8+ Kh8) 34. f4 {[%mdl 64] Trapped Piece. Accuracy: White = 82%, Black = 37%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.2"]
[White "Wang, Hao"]
[Black "Van Wely, Loek"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2718"]
[BlackElo "2612"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,93,36,43,17,33,23,28,0,0,0,8,-20,6,-7,0,-25,0,0,0,7,0,0,0,0,2,0,0,0,9,0,31,24,30,25,27,26,27,18,28,35,29,28,37,42,47,41,77,77,70,68,69,70,463,459,436,420,7605,6168,29971,29972,29972,29973,29973,29974,29974,29973,29974,29975,29976,29976,29979,29980,29980,29981,29981,29982]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 {[%cal Bg8f6,Bf6d7,Bd7e5][%mdl 32]} 5. Nc3 a6 6. h3 e6 7. g4 b5 8. Bg2 Bb7 9. O-O {B81: Sicilian Scheveningen: Keres Attack} Nfd7 10. a4 (10. Re1 Be7 11. e5 d5 12. a4 b4 13. Nxd5 Bxd5 14. Bxd5 exd5 15. e6 O-O 16. exd7 Qxd7 {1-0 (44) Anand,V (2803)-Volokitin,A (2639) Berlin 2015}) 10... bxa4 {LiveBook: 3 Games} 11. Rxa4 {White is slightly better.} (11. Be3 {feels hotter.} Be7 12. f4 O-O 13. Nxa4 Nc6 14. Nb3) 11... Nc6 $146 ({Predecessor:} 11... Be7 12. Be3 Nc5 13. Ra2 Nc6 14. Nxc6 Bxc6 15. Qa1 Bb7 16. Rd1 Nd7 {1-0 (35) Swiercz,D (2614)-Kraemer,M (2570) Germany 2015}) 12. Nxc6 Bxc6 13. Rc4 Ne5 14. Rd4 Be7 15. b3 Qa5 16. Qd2 Rc8 17. Bb2 Bb7 18. Na4 Qxd2 19. Rxd2 h5 20. Rfd1 hxg4 21. hxg4 Nxg4 22. Nb6 Rc7 23. Nc4 O-O 24. Ba3 d5 (24... Ne5 {looks sharper.} 25. Na5 Ba8 26. c4 f5 27. Bxd6 Bxd6 28. Rxd6 fxe4 29. Rd8 Rcf7) 25. Bxe7 Rxe7 26. exd5 exd5 27. Bxd5 Bxd5 28. Rxd5 Rfe8 29. Nd6 Re1+ 30. Kg2 Rxd1 31. Rxd1 $11 {[%mdl 4096] Endgame KRN-KRN} Rd8 32. Kf3 f5 33. Rd5 Kh7 34. b4 g6 35. c4 Ne5+ $2 {[%mdl 8192] [#]} (35... Rb8 $14) 36. Rxe5 $18 Rxd6 {KR-KR} 37. c5 Rd4 (37... Rd3+ $142 38. Re3 Rd8) 38. c6 Rxb4 39. Rc5 {White mates.} Rb8 40. Kf4 Kh6 41. c7 Rc8 42. Rc4 a5 43. Ke5 Kh5 44. Kd6 g5 45. Kd7 Ra8 46. c8=Q Rxc8 47. Rxc8 {Precision: White = 77%, Black = 47%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.3"]
[White "Nguyen, Ngoc Truong Son"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2647"]
[BlackElo "2639"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,32,11,28,8,26,0,0,0,0,0,0,-10,-5]} 1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. e3 g6 5. Be2 Bg7 6. h3 O-O 7. O-O c5 8. c3 d6 9. Nbd2 Nbd7 10. Bh2 a6 11. a4 Ra7 12. Re1 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (12. Qb1 Qa8 13. Bd3 cxd4 14. cxd4 Nd5 15. Rc1 Nb4 16. Bf1 Nf6 17. Ra3 Bd5 18. Bc4 Bc6 19. Bf1 Bd5 {1-0 (56) Ivanchuk,V (2713)-Wagner,D (2566) Batumi 2018}) 12... Qa8 13. Bd3 Ne4 {The position is equal.} 14. Nxe4 Bxe4 15. Bxe4 Qxe4 16. Qb1 Qxb1 {Predecessor:} 17. Rexb1 $146 Rc8 18. Nd2 Rb7 19. Ra3 h6 20. Kf1 Kh7 21. Ke2 Rcc7 {½-½ (21) Han,Y (1976)-Clanchy,N (1877) Hull 2018} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.4"]
[White "Liu, Guanchu"]
[Black "Predke, Alexandr"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2445"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,30,0,0,0,10,0,10,-17,-8]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Bd6 12. Bxf6 Qxf6 {The position is equal.} 13. Qxf6 {C47: Scotch Four Knights and Four Knights with 4 g3} gxf6 14. Ne2 Re8 (14... Rb8 15. Rab1 Re8 16. Ng3 h6 17. Nf5 Bxf5 18. Bxf5 Rb7 19. Bd3 Be5 20. Rfe1 Kf8 {½-½ (31) Ni,H (2674)-Rapport,R (2707) China 2017}) 15. Nd4 c5 {Predecessor:} 16. Nf5 $146 Bf8 17. Ng3 Be6 18. b3 c4 19. bxc4 dxc4 {0-1 (37) Gil Ojeda,J (1936)-Brito Garcia,A (2351) Santa Cruz de La Palma 2017} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.5"]
[White "Wen, Yang"]
[Black "Nguyen, Anh Dung"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2599"]
[BlackElo "2458"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,32,19,13,14,22,10,10,10,31,24,36,23,27,8,43,22,43,47,56,43,55,55,51,51,51,51,77,27,77,0,0,0,95,29,217,4,200,210,281,136,329,309,492,496,729,696,716,677,829,817]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 h6 7. Nbd2 a6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. a4 O-O 9. h3 Ba7 {The position is equal.} 10. Re1 Ne7 11. Bb3 Ng6 12. d4 Re8 13. Bc2 Be6 14. Nf1 {[#]} Nh7 $146 ({Predecessor:} 14... exd4 15. cxd4 d5 {1-0 (47) Vachier Lagrave,M (2796)-Nakamura,H (2785) Paris 2017}) 15. Be3 Ng5 16. Ng3 Qf6 17. Nh2 Nf4 18. Ng4 Bxg4 19. Qxg4 Nge6 {[%cal Re5d4]} 20. Rad1 g6 {[#] Hoping for ...h5.} 21. Nf1 (21. Nf5 $16) 21... h5 22. Qg3 Bb6 (22... exd4 $11 {keeps the balance.} 23. cxd4 Nxd4 24. Rxd4 Nxh3+ 25. Qxh3 Bxd4) 23. h4 (23. d5 $16 h4 24. Qg4) 23... Rad8 $2 (23... exd4 $11 24. cxd4 Ba5) 24. Nh2 $2 ({Better is} 24. d5 $18) 24... Kh7 $2 (24... exd4 $11 25. cxd4 Bxd4) 25. Nf3 $18 Rg8 26. Bb3 (26. d5 $18 {is more deadly.}) 26... g5 $2 (26... Kg7 $16 {might work better.} 27. Bxe6 Qxe6 28. Bxf4 exf4 29. Qxf4 f6) 27. Bxe6 gxh4 (27... Nxe6 {was necessary.} 28. Nxg5+ Kh8 29. dxe5 dxe5 30. Rxd8 Nxd8 31. Bxb6 Qxb6) 28. Bf5+ {White is clearly winning.} Qxf5 {[#]} (28... Kh8 $142 29. Qxh4 Rxg2+ 30. Kh1 Qxh4+ 31. Nxh4 Rgg8 32. Bxf4 exf4) 29. Qxg8+ $1 {[%mdl 512]} Rxg8 30. exf5 Nxg2 31. Ng5+ {Accuracy: White = 46%, Black = 33%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.6"]
[White "Popov, Ivan"]
[Black "Mendonca, Leon Luke"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2581"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,150,21,23,16,20,21,15,21,30,11,0,13,15,15,29,28,25,30,24,29,38,41,54,33,27,37,22,24,48,47,43,25,29,27,21,31,32,32,51,13,15,14,19,18,24,18,22,12,12,12,12,12,12,3,44,44,44,44,44,44,44,15,84,0,44,44,102,48,64,0,105,64,64,54,56,56,111,107,107,41,47,44,67,58,60,41,28,23,33,29,35,37,258,286,235,173,139,155,239,142,106,0,52,0,198,91,132,158,210,218,226,179,331,323,269,276,369,270,359,279,1655,1533,8772,6485,5197,5604,2759,1339,4618,5093,4133,1136,29976,29977,29975,29974,29973,29972,29984,29983,29983]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 g6 7. O-O {B53: Sicilian: 2...d6: Lines with Qxd4} Bg7 8. c4 Nf6 9. h3 {The position is equal.} O-O 10. Nc3 a6 11. Bxc6 Bxc6 12. Nd4 Nd7 $146 ({Predecessor:} 12... Rc8 13. Be3 Nd7 {1-0 (47) Alekseev,E (2710)-Lovkov,R (2461) St Petersburg 2013}) 13. Be3 Nc5 14. Qc2 Rc8 15. Rfd1 Bd7 16. Rac1 Ne6 17. Qe2 (17. Qd3 {is more complex.} Nc5 18. Qd2 Qa5 19. b3 Rfe8 20. Rb1) 17... Nxd4 18. Bxd4 Bxd4 19. Rxd4 Be6 20. b3 Qa5 21. Nd5 Rfe8 22. Rcd1 Bxd5 23. exd5 e5 24. dxe6 Rxe6 25. Qd2 (25. Qf3 {is interesting.} Rc6 26. R1d2 Qc7 27. Re2 Re5 28. Qd3) 25... Qxd2 $1 26. R1xd2 $11 {[%mdl 4096] Endgame KRR-KRR} Rc6 $1 27. f4 Kf8 28. Kf2 Ke7 29. a4 a5 30. Rd5 Rc5 31. g4 b6 32. Kf3 f6 33. h4 f5 34. gxf5 gxf5 35. h5 Rh6 36. Kg3 Re6 (36... Rxd5 $11 {remains equal.} 37. Rxd5 Rxh5) 37. Kf3 Rh6 $1 38. Rh2 Kf7 (38... Kd7 $14) 39. Rd3 (39. Kg3 $16) 39... Rc8 40. Rd5 Rc5 41. Rd1 Rc8 42. Rd3 Rc7 43. Rh1 Rc8 (43... Ke6 $14) 44. Rd5 $16 Rc5 45. Rh2 (45. Kg3 $1 $16) 45... Ke7 $14 46. Rd1 Rc8 47. Rg1 d5 48. Rg7+ ({Reject} 48. cxd5 Rc3+ 49. Kf2 Rc2+ 50. Kg3 Rxh2 $11) 48... Kf8 49. Rhg2 Rc5 50. Rg8+ Kf7 51. R2g7+ Kf6 $2 (51... Ke6 $1 $14) 52. Rb7 $18 Rxh5 53. Rxb6+ Kf7 54. Ra8 {Threatening mate with Ra7+.} Rh3+ {[#]} (54... Rc7 $16 {is a better defense.} 55. Rxa5 (55. cxd5 Rc3+ 56. Kf2 Rh2+ 57. Kg1 Rhc2 $16) 55... dxc4 56. bxc4 Ke8 57. Rb8+ Kf7) 55. Kf2 ({White should play} 55. Ke2 $1 $18 {Intending Ra7+ and mate.} Rc7 56. cxd5 (56. Rxa5 dxc4 57. bxc4 Kg7 $16)) 55... Rc7 $16 56. c5 (56. cxd5 $16 Rc2+ 57. Kg1) 56... Rc3 ({Black should try} 56... Re7 $1 $11) 57. Rxa5 (57. Ke2 $14) 57... d4 $2 (57... Re7 $1 $11 {and Black is okay.}) 58. c6 (58. b4 $18 {is more deadly.}) 58... Ke6 59. Re5+ Kf6 {[#]} (59... Kd6 $16 60. Rxf5 Re7) 60. Rd5 $1 $18 Rc2+ 61. Ke1 R7xc6 $2 (61... Ke6 62. Rxd4 h5) 62. Rxc6+ Rxc6 63. Rxd4 {KR-KR} Rc3 64. Rd6+ Kg7 65. Rb6 h5 $2 (65... Rc1+ 66. Kf2 Ra1) 66. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} h4 67. Kf2 Rc2+ 68. Kg1 Ra2 69. b4 Kf7 70. a6 Ke7 71. b5 (71. Rb7+ $142 Kf6 72. b5) 71... h3 72. Rb7+ {White mates.} Kd6 73. a7 Kd5 74. b6 Ke4 75. Rb8 Kd5 {Accuracy: White = 66%, Black = 44%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.7"]
[White "Zhao, Yuanhe"]
[Black "Tran, Tuan Minh"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2431"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,107,0,0,7,5,14,4,0,22,28,-12,-12,-16,-2,-52,-49,-66,-30,-41,0,-55,-56,-92,-81,-75,-35,-102,-67,-81,-63,-54,-58,-52,-43,-47,-8,-5,-8,-14,0,0,68,79,71,76,394,394,394,381,365,392,745,743,731,655,1041,519,859,370,358,289,282,262,252,263,271,247,272,198,198,198,218,211,253,239,243,221,221,221,230,221,271,265,271,271,271,271,397,395,483,477,519,512,736,568]} 1. Nf3 Nf6 2. c4 b6 3. b3 Bb7 4. Bb2 e6 5. e3 Be7 6. Be2 O-O 7. O-O d5 8. d4 dxc4 {A13: English Opening: 1...e6} 9. Bxc4 Nbd7 10. Qe2 a6 {The position is equal.} 11. Rd1 Bd6 $146 ({Predecessor:} 11... c5 12. a4 Qc7 13. Nc3 cxd4 14. exd4 Rfe8 15. Rd3 Bd6 {0-1 (40) Sitnikov,D (2500)-Smirnov,P (2599) Kemerovo 2012}) 12. Nc3 b5 13. Bd3 c5 14. e4 cxd4 15. Nxd4 Qb6 16. Nf3 Ng4 {[#]} 17. Rf1 (17. e5 $1 $11 {[%mdl 512]} Ndxe5 (17... Bxe5 18. Bxh7+) 18. Nxe5 Nxe5 19. Be4) 17... Rac8 18. h3 Nge5 19. Rad1 Rc7 20. Nb1 (20. Bb1 $15) 20... Rfc8 21. Nbd2 Ng6 {Threatens to win with ...Nf4.} 22. Bb1 Nf4 23. Qe1 $1 h6 24. a3 e5 25. b4 a5 26. bxa5 Qxa5 27. Nb3 Qa4 (27... Qa6 $11 28. Na5 b4 $1 {[%mdl 512]} 29. axb4 Qb6 30. Nxb7 Rxb7) 28. Rxd6 $14 {Na5 is the strong threat.} Qxb3 29. Qd2 Nc5 $2 {[%mdl 8192]} (29... Rc2 $16 {is more resistant.} 30. Bxc2 Rxc2) 30. Bxe5 $18 Nfe6 31. Ba2 Qxa3 32. Bxe6 $1 fxe6 $2 (32... Nxe6 33. Rxe6 Rc1) 33. Rd8+ Kh7 34. Bxc7 Rxc7 {[#]} 35. Qf4 (35. Ng5+ $142 $1 {[%mdl 512]} Kg6 (35... hxg5 36. Qxg5) 36. Qf4 hxg5 37. Qxc7 Bxe4 38. Qe7) 35... Rd7 (35... Rc8 $142) 36. Rxd7 (36. Rf8 $142 Na6 37. Ne5) 36... Nxd7 37. Qc7 Nc5 38. Nd4 Bxe4 39. Nxb5 Qb4 40. Nd6 Bg6 41. Qc6 Nd3 42. Nc4 Nf4 {[#]} 43. Ne3 $1 Qa5 44. Qf3 Qe5 45. Kh1 Nd3 46. Ng4 Qd4 47. Qe3 Qd5 48. f3 Qf5 49. Ra1 h5 50. Nf2 Nf4 (50... Nxf2+ $142 51. Qxf2 Qf6) 51. Ne4 h4 52. Ra7 {White is clearly winning.} e5 53. Qf2 Qc8 54. Nf6+ {Accuracy: White = 62%, Black = 33%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.8"]
[White "Cao, Sang"]
[Black "Karthik Venkataraman"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2385"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,20,18,45,31,31,14,12,0,31,6,37,37,27,39,130,89,155,41,38,34,25,0,0,8,68,0,0,0,83,83,77,100,95,78,151,118,220,10,0,-14,97,68,196,195,187,183,285,228,213,47,388,268,472,50,636,617,604,585,1935,1870,6552,530,507,0,6224,6532,5285,5265,29976,29975]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. h3 e6 7. g4 Nfd7 {B81: Sicilian Scheveningen: Keres Attack} 8. Bg2 Be7 9. O-O Nc6 {The position is equal.} 10. Be3 Nce5 $146 ({Predecessor:} 10... O-O 11. Nce2 Qc7 12. c3 Re8 13. f4 Bf8 14. Qd2 Rb8 15. g5 {½-½ (82) Ponomariov,R (2714)-Dominguez Perez,L (2726) Beijing 2014}) 11. b3 Ng6 12. f4 Nh4 13. Bh1 Nc5 (13... g5 $14) 14. Qd2 h5 (14... Ng6 $142) 15. b4 (15. g5 $16) 15... Nd7 $1 $14 16. g5 {Qe1 is the strong threat.} Nb6 $1 17. Qd3 Bd7 18. Nde2 {aiming for Qd4.} Qc7 ({Black should try} 18... O-O $11) 19. Bf2 (19. Qd4 $14 Nc4 20. Qxg7) 19... Ng6 $11 20. Qd4 Nc4 (20... Na4 $1 $11 {remains equal.} 21. Nxa4 (21. Qxg7 Nxc3 22. Nxc3 Rc8 $11) 21... Bxa4) 21. Qxg7 $16 O-O-O 22. Qd4 Rhg8 23. Bg2 Rdf8 (23... d5 $142) 24. Rab1 f6 (24... b5 $16) 25. b5 $2 (25. f5 $1 $18) 25... fxg5 $11 26. e5 {And now bxa6 would win.} Nxf4 (26... axb5 $11 {keeps the balance.} 27. Rxb5 (27. Nxb5 Bxb5 28. Rxb5 Nxf4 $15) 27... Bxb5 28. Nxb5 Nxf4 29. Nxf4 Rxf4 30. Nxc7 Rxd4 31. Bxd4 Kxc7) 27. bxa6 $16 Bc6 (27... bxa6 $14 28. Rb7 Nxh3+ 29. Bxh3 (29. Kh2 Qc5 $14) 29... Kxb7 30. Qa7+ Kc8 31. Qa8+ Qb8 32. Qxa6+ {[%mdl 64] Double Attack} Kd8 33. Qxc4 g4) 28. Rxb7 $1 $18 {[%mdl 64] X-Ray Attack} (28. Qxc4 Bxg2 29. Qxc7+ Kxc7 $17) (28. axb7+ $6 Kd7 $16) 28... Bxb7 29. Bxb7+ (29. axb7+ $6 Kd7 $14) 29... Kd7 {[#]} 30. Nxf4 $1 Rxf4 (30... gxf4+ 31. Kh1) 31. Qa7 $2 $40 {[%mdl 128] White has some attack.} ({Don't do} 31. exd6 $6 Qxd6 32. Qa7 Ke8) ({White should play} 31. Ne4 $18) 31... Na3 $2 {[%mdl 8192]} ({Better is} 31... g4 $14) 32. Bb6 Rxf1+ $2 (32... Qb8 33. Qxb8 Rxb8) 33. Kg2 $2 (33. Kxf1 $18 {White threatens Bc6+! and mate.} Qc4+ 34. Kg1) 33... Nb5 $2 {[%mdl 8192]} ({But not} 33... Qxc3 $2 {[#]} 34. Bc6+ $1 {[%mdl 512]} Kxc6 35. Qb7+ Kb5 36. Bd4+ Kc4 37. Bxc3 $18) (33... Qb8 $14 34. Qxb8 Rxb8 35. Kxf1 Rf8+ 36. Ke2 Nc4 {[%mdl 64] Double Attack}) 34. Nxb5 Qxc2+ 35. Kxf1 Qd1+ 36. Kg2 Qe2+ 37. Kg1 (37. Bf2 $142 {Threatening mate with Bc6+!} Qxb5 38. Bf3+ Kd8 39. exd6 Bxd6 40. Bb6+ Qxb6 41. Qxb6+ Ke7 42. Qb7+ Kf6 43. Bxh5) 37... Qe1+ 38. Kg2 (38. Kh2 $142 Qxe5+ 39. Kh1) 38... Qe2+ 39. Bf2 {Intending Bc6+! and mate.} Qxb5 40. Bf3+ {[%mdl 64] Discovered Attack} Ke8 41. exd6 {Accuracy: White = 47%, Black = 23%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.9"]
[White "Pham, Chuong"]
[Black "Demchenko, Anton"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "2383"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,124,29,19,47,35,54,64,62,-4,0,-28,-23,-34,-34,-34,-34,-35,-26,-32,-20,-61,-44,-69,-68,-69,-69,-65,-63,-70,-70,-70,-62,-87,-20,-80,-75,-112,-85,-93,-74,-99,-87,-85,-55,-89,-89,-91,-93,-93,-95,-103,-78,-115,-93,-99,-72,-74,-75,-239,-246,-248,-194,-456,-433,-432,-429,-573,-547,-589,-517,-582,-458,-688,-632,-565,-486,-862,-866,-811,-814,-766,-747,-1347,-1143,-1993,-1985,-1838,-1642,-12848,-1454,-1481,-1388,-1256,-1256,-1245,-1212,-1160,-1138,-1070,-616,-29970,-29971,-29970,-29970,-29982,-29983,-29983,-29984,-29986,-29987]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 Rb8 8. b3 a6 9. Bb2 e6 {E63: King's Indian: Fianchetto: Panno Variation with 7...a6} (9... b5 10. cxb5 axb5 11. Rc1 b4 12. Na4 Na7 13. d5 e5 14. dxe6 fxe6 15. Qc2 c5 16. Rfd1 Qe7 17. Rxd6 Bb7 18. Rdd1 Rbc8 19. Ne5 Bxg2 20. Kxg2 Nb5 {1-0 (73) Aronian,L (2801)-Nakamura,H (2741) Moscow 2010}) 10. Rc1 Bd7 11. e4 e5 {White is slightly better.} 12. Re1 $146 (12. d5 $14 Ne7 13. c5) ({Predecessor:} 12. d5 Ne7 13. Ne1 Ne8 14. Nd3 f5 15. f4 exf4 16. Nxf4 Nf6 17. Qe2 fxe4 18. Nxe4 Nxe4 19. Bxe4 Bxb2 20. Qxb2 Nf5 21. Rce1 {½-½ (21) Spirin,O (2475)-Petenyi,T (2445) Czechia 2015}) 12... Bg4 $11 13. dxe5 (13. d5 $5 {[%cal Rd5c6]} Nd4 14. Qd3 $11) 13... Nxe5 14. Rc2 Nfd7 15. Nd5 Nc5 16. Bxe5 dxe5 17. Rd2 Bxf3 18. Bxf3 c6 19. Nc3 Qa5 20. Qc2 Bh6 21. Rdd1 Rfd8 22. Rxd8+ Rxd8 23. Rd1 Rd4 24. Kg2 Qd8 ({Black should try} 24... Bf8 $17) 25. Be2 (25. b4 $11 {remains equal.} Ne6 26. a3) 25... a5 26. f3 Be3 27. Na4 {[%cal Bc3a4,Ba4b2,Bb2d1][%mdl 32]} Ne6 28. Nb2 h5 29. Rxd4 Qxd4 (29... Nxd4 {feels hotter.} 30. Qc3 Qg5 31. Nd1 Bd2 32. Qd3 Bc1) 30. Nd1 Qc5 31. Qd3 Bd4 32. Qd2 b6 33. Bd3 Qe7 34. Bb1 Kg7 35. Bd3 Qf6 36. Be2 h4 37. a3 $2 (37. Nf2 $17 {is a better defense.}) 37... Ng5 $19 38. Qd3 Qe6 39. g4 $2 (39. f4 {was forced.} Qh3+ 40. Kh1 hxg3 41. Qxg3 Qxg3 42. hxg3 Nxe4 43. Kg2) 39... Qe7 40. Qd2 Ne6 41. b4 axb4 42. axb4 Nf4+ 43. Kf1 Qa7 44. b5 (44. h3 $142 Nxh3 45. Kg2 Nf4+ 46. Kh2) 44... c5 45. Nf2 Qa1+ 46. Qd1 (46. Bd1 $142 h3 47. g5) 46... Qa2 47. Nd3 Nxe2 48. Qxe2 Qxc4 49. Ne1 Qc1 50. Kg2 c4 51. Nc2 c3 52. Ne1 {[#]} Qd2 (52... h3+ $142 $1 {[%mdl 512]} 53. Kxh3 Qd2) 53. Kf1 h3 54. Nd3 {[#]} Bg1 $1 {[%mdl 512]} 55. Qxd2 (55. Kxg1 Qxe2) 55... cxd2 {[%mdl 4096] Endgame KB-KN} 56. Ke2 Kf6 57. Kxd2 Bxh2 58. Ke2 {intending Nf2.} Bg1 {Black mates.} 59. Kf1 Bd4 60. Nc1 Kg5 61. Ne2 Be3 62. Nc3 Kf4 {Accuracy: White = 35%, Black = 73%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.10"]
[White "Hoang, Canh Huan"]
[Black "Cheparinov, Ivan"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "2394"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,67,-35,-35,-35,-35,-40,-34,-47,-38,-42,-42,-43,-43,-60,-37,-66,-60,-65,-33,-43,60,68,60,58,69,50,66,52,50,0,193,47,174,198,358,345,463,422,810,806,779,772,937,919,1093,1113,1111,1111,919,6861,6652,6652,6118,6118,5941,5136]} 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bc5 6. d4 Bb4 7. Bd2 c5 8. Bd3 {C29: Vienna Game: 2...Nf6 3 f4} (8. Nxe4 dxe4 9. Bxb4 cxb4 10. Ng1 O-O 11. Bc4 Nc6 12. c3 bxc3 13. bxc3 Qg5 14. Qe2 Bf5 15. Nh3 Bxh3 16. gxh3 {1-0 (54) Andreikin,D (2683)-Kramnik,V (2791) Moscow 2010}) 8... Nxd2 9. Qxd2 Nc6 10. a3 {Black is slightly better.} Ba5 11. b4 $146 ({Predecessor:} 11. Qf4 cxd4 12. Nxd4 O-O 13. b4 Bc7 14. Nxc6 bxc6 15. O-O g5 {0-1 (40) Vecchio,R (1767)-Laven,G (1934) ICCF email 2014}) 11... cxb4 12. Nb5 O-O {Threatens to win with ...b3!} 13. O-O h6 14. Kh1 Be6 15. Nd6 bxa3 16. c3 Bc7 (16... Qe7 $15) 17. Nxb7 $14 Qe7 18. Nc5 Bb6 19. Nxe6 fxe6 20. Bc2 {Black must now prevent Qd3.} g5 21. h4 {[%cal Rh4g5]} Rf7 $2 {[#]} (21... Qg7 $1 $11 {and Black stays safe.}) 22. hxg5 ({Only move:} 22. Qd3 $1 $18) 22... Raf8 (22... hxg5 $14 23. Ba4 (23. Nxg5 Rxf1+ 24. Rxf1 Rf8 $11) 23... g4 24. Bxc6 Rc8) 23. gxh6 $18 Rf4 $2 (23... Kh8 24. Qe3 Na5) 24. Qd3 a2 25. g3 {White is clearly winning.} Re4 (25... Rg4 $142 26. Nh2 (26. Rxa2 Rxg3 27. Bd1 Kh8 $16) 26... Rxf1+ 27. Rxf1 Rg5 28. h7+ Kh8) 26. Nd2 Rxf1+ 27. Rxf1 ({Not} 27. Qxf1 Re3 $14) 27... Qh7 28. Nxe4 Qxh6+ 29. Kg2 {[#] White threatens Qf3 and mate.} dxe4 30. Qxe4 {White wants to mate with Qg4+.} Qd2+ 31. Kg1 (31. Kh1 $142 Qh6+ 32. Kg1) 31... Bxd4+ 32. cxd4 Qxd4+ 33. Qxd4 Nxd4 34. Ba4 {Accuracy: White = 71%, Black = 31%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.11"]
[White "Gukesh D"]
[Black "Setyaki, Azarya Jodi"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2529"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,51,35,52,34,40,46,66,26,28,15,25,24,39,45,33,0,0,0,0,0,118,90,148,110,237,218,222,221,331,322,461,427]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. Qc2 Re8 9. Rd1 exd4 10. Nxd4 a6 11. b3 Rb8 12. Bb2 {E67: King's Indian: Fianchetto: 6...Nbd7} (12. h3 c5 13. Nf3 b5 14. cxb5 axb5 15. Bb2 Qe7 16. e3 b4 17. Nd5 Nxd5 18. Rxd5 Nf6 19. Rdd1 Bf5 {0-1 (36) Melkumyan,H (2622)-Mamedov,R (2657) Berlin 2015}) 12... c5 13. Nf3 b5 14. cxb5 {White is slightly better.} axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} 15. Rxd6 b4 $1 {[%cal Rb4c3]} 16. Na4 {[%cal Bc3a4,Ba4c5,Bc5d3][%mdl 32]} Qe7 17. Rad1 Ne4 18. Rc6 $146 {Bxg7 is the strong threat.} ({Predecessor:} 18. R6d5 Bxb2 19. Qxb2 Nef6 20. R5d2 Ne4 21. Rd5 Nef6 22. R5d2 Ne4 23. Rd5 {½-½ (23) Matlak,M (2450)-Socko,B (2455) Brzeg Dolny 1996}) 18... Bxb2 19. Qxb2 Ndf6 20. Nxc5 $1 {Strongly threatening e3.} Nc3 (20... Nxf2 $11 21. Rf1 (21. Kxf2 Ng4+ 22. Kf1 Ne3+ {[%mdl 64] Double Attack} 23. Ke1 Nxg2+ 24. Kf2 Ne3 $17) 21... N2e4) 21. Re1 $16 Ng4 {[%cal Rc3e2] [#]} 22. e3 $1 Rb5 (22... Rd8 $16 {keeps fighting.}) 23. Nd3 $18 Bb7 24. Rc4 Ne4 (24... Rd8 $142 25. a4 (25. Rxg4 Bxf3 26. Bxf3 Rxd3 $16) 25... Rb6) 25. Nd4 Rb6 (25... Ne5 $142) 26. f3 {[%mdl 64] Double Attack. Accuracy: White = 82%, Black = 50%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.12"]
[White "Xu, Yi"]
[Black "Tran, Quoc Dung"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2520"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,45,35,44,45,70,33,63,56,74,74,88,82,166,112,118,108,131,116,117,96,164,118,151,169,202,123,149,146,181,174,176,175,390,364,789,787,1138,1050,998,1092,2055,2088,1213,1522,1614,1739,1337,1321,1213,889,858,845]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Be7 9. Bxf6 gxf6 {B66: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 h6} 10. f4 Bd7 (10... Qc7 11. Nf3 Bd7 12. Kb1 O-O-O 13. Bd3 Kb8 14. Rhe1 h5 15. g3 Rc8 16. Bf1 Na5 17. Re3 Qb6 18. Qe1 Rc7 19. Nd4 Rhc8 20. Nb3 Nc4 21. Bxc4 Rxc4 {½-½ (62) Anand,V (2773)-Firouzja,A (2607) St Petersburg 2018}) 11. f5 Qb6 {White is slightly better.} 12. Nxc6 bxc6 13. Bc4 h5 $146 ({Predecessor:} 13... Rb8 14. Bb3 h5 15. Qe2 c5 16. Rhe1 Kd8 17. fxe6 fxe6 {1-0 (92) Emiroglu,C (2108)-Bukavshin,I (2430) Porto Carras 2010}) 14. Rhe1 e5 (14... a5 $16) 15. Na4 (15. Re3 $18) 15... Qa7 $16 16. Bb3 a5 17. Qd3 Rh7 18. Re3 O-O-O (18... Rb8 $16 {is a better defense.}) 19. Qe2 Kc7 20. Rh3 Rdh8 21. Qc4 Bc8 22. Nc3 Ba6 {[#]} 23. Nd5+ $1 Kd7 {[#]} 24. Qc3 $1 $36 {[%mdl 2048] White is really pushing.} Bd8 $2 (24... Bb5 {was worth a try.}) 25. Ba4 $18 {[%csl Ga4][%cal Rc3c6]} Qb7 $2 (25... Bb5 26. Bxb5 cxb5) 26. Qa3 {White is clearly winning.} Qb8 27. Rb3 Bb5 {[#]} 28. c4 $1 {[%mdl 512]} Ke8 (28... Bxc4 29. Rxb8) 29. Bxb5 cxb5 30. Rxb5 Qc8 31. Qxd6 {White threatens Rb8 and mate.} Qxc4+ 32. Nc3 {[%csl Gd1][%cal Rd6d8]} Qc7 33. Qxc7 Bxc7 34. Rb7 {Accuracy: White = 65%, Black = 40%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.13"]
[White "Pham, Le Thao Nguyen"]
[Black "Nasanjargal, Urtnasan"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2374"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,112,22,7,77,72,88,73,82,60,60,60,53,43,57,58,58,64,92,74,97,100,122,101,103,79,104,104,112,95,93,93,88,91,91,97,91,0,93,0,122,82,92,88,87,85,92,40,39,35,73,69,78,64,81,77,83,91,82,68,77,35,35,35,35,35,26,28,33,7,11,8,18,20,29,30,27,8,8,8,8,8,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 g6 2. Nf3 Nf6 3. g3 d5 4. Bg2 c6 5. O-O Bg7 6. Nbd2 O-O 7. c3 Ne4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (7... Nbd7 $11) (7... Bf5 8. Nh4 Be6 9. f4 Na6 10. f5 Bd7 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Qb6 14. Qb3 Bf6 15. Bh6 Qxb3 16. axb3 {0-1 (62) Artemiev,V (2709)-Duda,J (2738) St Petersburg 2018}) 8. Nxe4 $16 dxe4 9. Ng5 f5 {White is better.} 10. Qb3+ Qd5 11. f3 {[%cal Rf3e4]} h6 12. Nh3 exf3 13. exf3 Qxb3 14. axb3 g5 $146 15. Re1 Bf6 16. Nf2 Na6 17. Nd3 Rd8 18. Bf1 Nc7 19. b4 Rd6 20. Be3 Kg7 21. Bf2 a6 22. Nc5 Ne6 23. Na4 Nc7 24. Nc5 Ne6 $1 25. Na4 (25. Nb3 $16) 25... Rb8 (25... Nc7 $1 $11 {remains equal.}) 26. Bd3 b6 27. Bxf5 Nxd4 28. Be4 Nb3 29. Bxb6 (29. Ra3 $16 b5 30. Nc5 (30. Rxb3 bxa4 31. Ra3 a5 $16)) 29... Nxa1 $14 30. Bc7 Rb5 {[#] aiming for ...Rd7.} 31. Bxd6 exd6 32. Rxa1 Bb7 33. Rd1 Be7 34. Bd3 Re5 35. Nb6 c5 36. Nc4 Re6 $1 37. bxc5 {[#] Black must now prevent Bf5.} Bxf3 38. Bf5 {Hoping for c6.} Rf6 39. Re1 Bf8 40. g4 dxc5 41. Ne5 Bb7 42. Nd7 Rf7 43. Nxf8 Kxf8 $11 {[%mdl 4096] Endgame KRB-KRB} 44. Re6 Bc8 $1 {[%cal Rc8e6] The position is equal.} 45. Rxh6 Bxf5 46. gxf5 {KR-KR} Rb7 47. Rxa6 Rxb2 48. Rc6 Kf7 49. Rxc5 Kf6 50. h3 Rc2 51. c4 Rd2 52. Rc8 Kxf5 53. Rf8+ Ke4 54. Rf2 Rd3 55. Kg2 Rc3 56. Rf8 Rxc4 {Accuracy: White = 64%, Black = 71%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.14"]
[White "Chu, Wei Chao"]
[Black "Nguyen, Anh Khoi"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2373"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,59,22,23,0,34,17,26,22,33,23,24,12,19,19,19,0,19,0,19,-2,19,0,19,19,19,5,19,19,19,2,19,3,19,19,19,19]} 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 a6 10. a4 Nbd7 11. Re1 Re8 12. h3 Ne4 13. Nxe4 Rxe4 14. Qc2 {A63: Modern Benoni: Fianchetto Variation: 9...Nbd7} Re8 {[#]} 15. Bd2 $146 ({Predecessor:} 15. Bf4 Qc7 16. Nd2 Ne5 17. b4 c4 18. Ra3 Bf5 19. e4 Bd7 20. Bxe5 Bxe5 21. Qxc4 Rac8 {½-½ (63) Smejkal,J (2515)-Gruenberg,H (2475) Prague 1989}) 15... Ne5 16. Nxe5 {White has an edge.} Bxe5 17. Bc3 f5 18. e3 a5 {The position is equal.} 19. h4 b6 20. Bf3 Ra7 21. Kg2 Rf7 22. Rh1 Bd7 23. Qb3 Qc7 24. Rac1 h5 25. Rhd1 Rfe7 26. Qc2 Rf8 27. Kg1 Qd8 28. Ra1 Ree8 29. Re1 Qe7 30. Qd2 {Accuracy: White = 19%, Black = 40%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.15"]
[White "Raghunandan, Kaumandur Srihari"]
[Black "Shyaamnikhil P"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2352"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,16,19,11,27,28,33,10,8,18,15,15,25,18,12,14,80,82,79,79,88,80,141,81,94,71,116,116,129,114,108,123,131,127,431,420,397,407,719,714,1171,1160,1422,1458,1425,1333]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 (5. Bxd7+ Bxd7 6. d4 cxd4 7. Qxd4 e5 8. Qd3 h6 9. a4 Nf6 10. a5 Be7 11. c4 b5 12. axb6 Qxb6 13. Nc3 O-O 14. Be3 Qb7 15. h3 Rfc8 16. Nd2 Be6 17. Rfb1 a5 18. b3 Ra6 19. Ra2 Bd7 20. Rba1 {½-½ (20) Wang,H (2730)-Nepomniachtchi,I (2763) St Petersburg 2018}) 5... Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} b5 7. c4 Rb8 8. Nc3 {[%cal Rc4b5] White is slightly better.} b4 9. Nd5 e6 10. Nxf6+ Qxf6 11. Bc2 e5 12. a3 g5 $146 (12... bxa3 $11 {remains equal.} 13. Rxa3 Be7) ({Predecessor:} 12... Be7 13. axb4 Rxb4 14. d3 O-O 15. Ba4 Nb8 16. Bg5 Qe6 17. Bd2 Rb7 18. Rb1 Qg6 19. Kh1 {½-½ (19) Cerveny,P (2319)-Kukelko,A (2196) Pardubice 2018}) 13. d3 $16 g4 {[#]} 14. Nd2 $1 h5 15. axb4 cxb4 ({Black should play} 15... Rxb4 16. Nf1 Bh6) 16. Nb3 (16. Ba4 $142) 16... Bh6 17. Bxh6 Qxh6 18. d4 exd4 19. Qxd4 {e5! is the strong threat.} O-O 20. Red1 Rb6 21. Ra5 Bb7 $2 {[%mdl 8192] [#]} (21... Re8 $16 22. Bb1 Bb7) 22. e5 $1 $18 {[%mdl 512]} Re8 {[#]} (22... dxe5 23. Qxd7) 23. Bf5 $1 {[%cal Rf5d7]} Nxe5 (23... Nc5 $142 24. Nxc5 dxc5 25. Rxc5 Qg7) 24. Qxb6 {[%mdl 64] Double Attack. White is clearly winning.} Nf3+ 25. gxf3 gxf3 26. Kh1 Qg7 27. Bh3 {Accuracy: White = 68%, Black = 41%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.16"]
[White "Laxman, R.R."]
[Black "Nandhidhaa, P V"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2425"]
[BlackElo "2240"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,8,8,0,0,0,0,0,0,0,0,-1,9,0,0,0,0,7,10,-29,-26,-56,-11,-17,-15,-61,49,54,22,43,33,0,0,0,0,0,0,-41,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. a3 Be7 5. Nc3 O-O 6. cxd5 {E00: Catalan Bogo-Indian (3 g3 Bb4+)} (6. Bf4 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. e3 c5 10. Be2 Bb7 11. O-O Nd7 12. Qa4 a6 13. dxc5 bxc5 14. Rfd1 Nf6 15. Qb3 Ra7 16. Rac1 Ba8 17. Be5 Nd7 {½-½ (77) Iniyan,P (2481)-Vorobiov,E (2561) Trieste 2018}) 6... exd5 7. Bg5 c6 8. e3 Bf5 9. Bxf6 Bxf6 10. Bd3 Be6 $146 ({Predecessor:} 10... Bxd3 11. Qxd3 Nd7 12. O-O Re8 13. b4 b5 14. a4 a6 {1-0 (46) Galic,I (1888)-Bilobrk,F (2372) Sibenik 2008}) 11. Qc2 h6 12. h4 Nd7 13. O-O-O c5 14. Kb1 Rc8 15. Bh7+ Kh8 16. Bf5 cxd4 17. exd4 Rxc3 ({Black should try} 17... Nb6 $1 $15) 18. bxc3 $14 Bxf5 19. Qxf5 {[#] Threatens to win with Ng5.} Nb6 20. Ka2 Na4 21. Qc2 Qa5 22. Rd3 Rc8 $1 {[%cal Ra4c3]} 23. Rc1 Be7 24. Ne5 $1 {[#] And now c4 would win.The position is equal.} Bxa3 25. Nxf7+ Kg8 26. Nxh6+ $1 Kh8 27. Nf7+ Kg8 28. Nh6+ $1 Kh8 29. Nf7+ {Accuracy: White = 73%, Black = 68%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.17"]
[White "Wang, Shixu B"]
[Black "Chanda, Sandipan"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2362"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,87,44,45,52,25,39,37,33,40,45,32,36,39,58,45,50,37,28,0,10,0,24,21,39,0,12,1,17,0,0,-16,-15,-14,0,-68,-65,-65,0,-83,0,0,0,-34,0,-19,-14,-91,0,0,0,0,27,22,410,396,461,461,450,454,436,414,29979,29978,29987,29988,29993,2537,5336,5336,5314,5293,4133,1598,2486,2558,2264,2160,1664,1640]} 1. d4 f5 2. Bg5 g6 3. e3 Bg7 4. Nc3 d5 5. h4 c6 6. Nf3 {LiveBook: 33 Games} Nh6 {A80: Dutch Defence: Unusual White second moves} (6... Nd7 7. Bd3 Ngf6 8. h5 Qb6 9. Rb1 Ne4 10. Bf4 Rg8 11. O-O Bf6 12. hxg6 hxg6 13. Na4 Qd8 14. c4 {0-1 (36) Sunilduth Lyna,N (2536)-Caruana,F (2813) Douglas 2016}) 7. Ne5 $146 ({Predecessor:} 7. h5 Nf7 8. h6 Bf8 9. Bf4 Nd7 10. g4 fxg4 11. Ng5 Nxg5 12. Bxg5 Nf6 13. Bd3 Ne4 14. Bxe4 dxe4 {1-0 (30) Padeiro,J (2293)-Martins,D (2348) Lisbon 2015}) 7... Nd7 8. f4 {[%cal Bf2f4,Bf4e5][%mdl 32]} Nxe5 {White is slightly better.} 9. fxe5 Ng4 10. Be2 h6 11. Bf4 h5 12. Qd2 b6 13. O-O-O a5 14. Bf3 Ba6 15. Kb1 Qd7 16. Na4 Qa7 17. Bg5 e6 18. Nc3 Qc7 19. Ne2 Bxe2 20. Qxe2 b5 $1 {[%cal Bb6b5,Bb5a4][%mdl 32]} 21. Rhf1 Bh6 22. Qd3 ({Better is} 22. Bxh6 $11 Rxh6 23. g3) 22... Bxg5 $15 23. hxg5 Qe7 (23... Rc8 $15) 24. a4 (24. Qc3 $11 {keeps the balance.}) 24... bxa4 25. Bxg4 $1 hxg4 26. Rh1 Rh5 27. Rxh5 gxh5 $11 {[%mdl 4096] Endgame KQR-KQR} 28. Rh1 $1 {[%cal Rh1h5]} Qxg5 (28... Qb4 $1 $17 {Threatens to win with ...Rb8.} 29. Rxh5 Rb8 30. Rh8+ Kf7 31. Rxb8 Qxb8) 29. Qc3 $36 {[%mdl 2048] White fights for an advantage.} Kf7 30. Qxc6 Rh8 31. c4 Qd8 $2 {[%mdl 8192] [#]} (31... dxc4 $11 {and Black has nothing to worry.} 32. d5 Re8) 32. cxd5 $1 $18 Qxd5 33. Qc7+ Kg6 34. Qe7 {Qf6+ would kill now.} Qd8 35. Qxe6+ Kg5 (35... Kg7 $18 36. Qxf5 a3 37. bxa3 Qb6+ 38. Ka1 Qc6 39. Qg5+ Qg6 40. Qe7+ Qf7 41. Qg5+ Qg6 42. Qe7+ Qf7) 36. Qf7 {[%cal Rf7g7]} Rh6 37. g3 Qh8 {[#]} 38. Qe7+ (38. e4 $142 $1 {[%mdl 512]} Re6 (38... fxe4 39. Rf1) 39. Qxf5+ Kh6 40. Qxh5+ Kg7 41. Qxh8+ Kf7 42. Rh7+ Kg6 43. Qg8#) 38... Kg6 {White is clearly winning.} 39. Rc1 {White wants to mate with Rc6+.} Qg7 40. Qe8+ Kh7 41. Qd8 (41. Qc8 $142 h4 42. Rc7 hxg3 43. Qxf5+ Rg6 44. Rxg7+ Kxg7 45. d5) 41... Qg8 42. Qd7+ Qg7 43. Qc8 h4 44. Rc7 {Precision: White = 47%, Black = 54%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.18"]
[White "Rathnakaran, K.."]
[Black "Megaranto, Susanto"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2361"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,32,35,32,63,56,41,22,51,29,46,1,81,-75,-91,-101,-89,-81,-36,-27,-25,-31,-32,-14,-17,-167,-173,-173,-149,-147,-159,-189,-176,-219,-212,-205,-195,-254,-252,-322,-325,-362,-352,-320,-365,-439,-369,-341,-351,-490,-417,-407,-315,-443,-453,-500,-487,-707,-690,-704,-672,-797,-797,-916,-899,-1074,-1045,-974,-851,-2782,-2144]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ng8 (4... Ne4 5. Ne2 Qb6 6. d4 e6 7. Ng3 c5 8. Bd3 Nxg3 9. hxg3 cxd4 10. Ng5 Nc6 11. Nxh7 Bd7 12. Qe2 O-O-O 13. O-O {0-1 (30) Mamedov,R (2703)-Piorun,K (2634) St Petersburg 2018}) 5. d4 Bg4 6. h3 {B11: Caro-Kann: Two Knights Variation} Bxf3 $1 7. Qxf3 e6 8. Be3 {White is slightly better.} Nd7 9. O-O-O b5 $146 ({Predecessor:} 9... Ne7 10. g4 Qa5 11. Kb1 c5 12. dxc5 {½-½ (33) Trisic,A (2245)-Berg,K (2410) Hamburg 1997}) 10. g4 Nb6 (10... b4 $11 11. Ne2 Rc8) 11. Nxb5 $2 {[#]} (11. Kb1 $16 {stays on course.}) 11... cxb5 $17 12. Bxb5+ Nd7 13. c4 a6 14. Ba4 $1 Rc8 15. c5 Ne7 $1 16. Qe2 Qa5 17. Bxd7+ (17. b3 $11 {and White has nothing to worry.}) 17... Kxd7 $19 18. Kb1 Nc6 19. f4 Rb8 20. Rd3 Qb5 21. Qd2 Be7 22. f5 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 23. Rc1 (23. h4 {was necessary.}) 23... a4 24. Rdc3 h5 25. g5 g6 ({Not} 25... exf5 26. g6 $19) 26. f6 Bd8 27. Ra3 Bc7 28. Qc2 Rb7 29. Ka1 Ra8 30. Rb1 Qb4 31. Rd3 {[#]} (31. Bf2 $142) 31... Qb3 $1 {[%mdl 512] Black is clearly winning.} 32. Qe2 (32. Rxb3 $2 {perishes.} axb3 33. Rc1 bxc2) (32. axb3 axb3#) 32... Qb5 33. a3 (33. Rc1 $142 Ba5 34. a3) 33... Rab8 34. Qc2 Qa6 35. Bd2 Rb3 36. Bc3 Ba5 37. Rbd1 Bxc3 38. Rxc3 Rxc3 39. bxc3 Rb3 {Accuracy: White = 24%, Black = 75%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.19"]
[White "Fenil, Shah"]
[Black "Chen, Qi B"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2360"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,27,4,35,10,3,0,0,0,0,-8,-12,-14]} 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. Nbd2 Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 {LiveBook: 4 Games} 10. Bd3 {D05: Colle System with ...e6} (10. Bg5 h6 11. Bxf6 gxf6 12. Qd2 Kg7 13. Rad1 f5 14. Bd3 b6 15. c4 Qf6 16. Rfe1 Bb7 17. Ne5 Rad8 {1-0 (39) Hagara,E (2410)-Pinter,E (2379) Slovakia 2012}) 10... h6 {The position is equal.} 11. c4 b6 12. b3 Bb7 13. Bb2 c5 14. dxc5 {Predecessor:} Bxc5 $146 15. Qe2 Qe7 16. a3 a5 17. Nd4 Qd6 18. Nf3 Qe7 19. Nd4 Qd6 20. Nf3 Qe7 {½-½ (20) Lagemann,S (2088)-Loeckener,T (1654) Germany 2003} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.20"]
[White "Vo, Thanh Ninh"]
[Black "Li, Yankai"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2358"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,42,8,3,11,11,14,0,0,0,0,0,0,0,0,0,0,0,0,0,19,26,31]} 1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. d3 d6 6. e4 Nf6 7. Nge2 Rb8 8. Rb1 O-O 9. O-O a6 10. a3 b5 11. cxb5 axb5 12. b4 $1 Ba6 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} (12... cxb4 13. axb4 e5 14. Be3 Be6 15. d4 Bc4 16. d5 Ne7 17. f3 Nd7 18. Qd2 f5 19. Ra1 Nf6 20. Bh3 Ra8 21. Rfc1 h5 22. Rxa8 Qxa8 {0-1 (63) Granda Zuniga,J (2646)-Lopez Martinez,J (2552) Lorca 2016}) 13. Bf4 Nd7 14. bxc5 Nxc5 {The position is equal.} 15. d4 Na4 16. Nd5 e6 17. Nb4 Nxb4 18. Rxb4 Rc8 19. Qd3 $146 {[#] aiming for Rxa4!} ({Predecessor:} 19. d5 exd5 20. Qxd5 Re8 21. Qxd6 Qxd6 22. Bxd6 Nb2 23. Nf4 Nc4 24. e5 {½-½ (24) Cardoso Garcia,S (2235)-Suarez Rodriguez,J (2120) ICCF email 2014}) 19... Rc4 20. Rfb1 Rxb4 21. Rxb4 Qb6 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.21"]
[White "Tran, Minh Thang"]
[Black "Laylo, Darwin"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2343"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,88,30,31,27,41,43,46,38,45,19,30,13,8,11,12,-15,-3,-21,-18,-37,0,-24,-25,-25,-19,-17,-25,-27,-18,-14,-14,-14,-14,-30,-14,-22,-15,-17,-21,-14,-27,-17,-8,-14,-8,-19,-14,-28,-4,-37,-4,-14,-4,-8,0,0,0,-8,0,0,0,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. cxd5 cxd5 5. Nc3 a6 6. Bf4 e6 7. e3 Be7 8. h3 {D13: Slav Defence: Exchange variation without ...Bf5} b5 9. Bd3 Bb7 10. O-O {White is slightly better.} O-O 11. Ne5 Nbd7 12. Rc1 Rc8 13. Nxd7 $146 ({Predecessor:} 13. a4 b4 14. Na2 Nxe5 15. Rxc8 Qxc8 16. Bxe5 {½-½ (26) Sohal,T (2331)-Cheng,B (2495) Victoria 2015}) 13... Qxd7 14. Be5 Ne4 15. Nxe4 dxe4 16. Bb1 Bd6 17. Qh5 f5 18. Bxd6 Qxd6 19. Qe2 Bd5 {...Bc4 is the strong threat.} 20. Qd2 h6 21. Rxc8 Rxc8 22. Rc1 Rc6 23. a3 Bb3 24. Rc3 Qc7 25. Qc1 Rxc3 26. Qxc3 Qxc3 27. bxc3 $11 {[%mdl 4096] Endgame KB-KB} Bd5 28. Kf1 Kf7 29. Ke2 Bc4+ 30. Ke1 $1 g5 31. Bc2 Kf6 32. Bd1 {The position is equal.} e5 33. Be2 Bd5 34. Kd2 Bb3 35. Bd1 Bf7 36. Be2 h5 37. c4 exd4 (37... bxc4 {is more complex.} 38. d5 Bxd5 39. Bxh5 g4 40. hxg4 f4) 38. cxb5 {[#] And now b6 would win.} dxe3+ 39. fxe3 axb5 40. Bxb5 Bd5 41. g3 h4 $1 {[%cal Rh4g3]} 42. gxh4 gxh4 43. a4 Ke5 44. a5 Bb7 {Accuracy: White = 58%, Black = 52%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.22"]
[White "Saravana, Krishnan P."]
[Black "Nguyen, Van Huy"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2352"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,12,24,8,-11,0,0,3,8,-16,-12,-26,-18,-22,-36,-36,-31,-36,-36,-36,-36,-83,-42,-58,-48,-45,-49,-79,-76,-126,-131,-111,-111,-206,-140,-144,-148,-162,-152,-148,-115,-118,-91,-118,-77,-333,-288,-311,-274,-278,-268,-283,-281,-872,-204,-804,-789,-1063,-1052,-29994,-29995,-29995,-29996,-29996,-29997,-29998,-29999]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 Nd7 6. Nxb7 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Qc7 7. Nc5 Nxc5 8. dxc5 {The position is equal.} e5 9. Qf3 $146 ({Predecessor:} 9. b4 a5 10. c3 Rd8 11. Qa4 Nf6 12. Bc4 Nd5 13. Ne2 {1-0 (46) Piorun,K (2499)-Rodshtein,M (2626) Wroclaw 2010}) 9... Bxc2 10. Qc3 Be4 11. Nf3 Bxf3 12. gxf3 Nf6 13. Bd2 Be7 14. Rg1 Nd5 15. Qc2 Bf6 16. Bc4 O-O $1 17. Qf5 {Strongly threatening Bxd5.} Kh8 18. Kf1 Rad8 19. Rc1 Ne7 $1 {[%csl LRd2,LRf5]} 20. Qc2 Qd7 21. Ke2 (21. Ba5 $17 Qh3+ {[%mdl 64] Double Attack} 22. Rg2) 21... Nf5 $36 {[%mdl 2048] aiming for ...Nd4+. Black is really pushing.} 22. Bc3 Nd4+ 23. Bxd4 exd4 24. Qd3 Qc7 25. Rg3 Qf4 26. Rc2 Qh4 27. Qf5 $2 {[%mdl 8192]} (27. f4 $17 {was necessary.}) 27... Rfe8+ $19 (27... Qxh2 28. Rh3 $17) 28. Kd3 Re3+ 29. fxe3 dxe3+ 30. Kxe3 {[#]} Bd4+ $1 ({Not} 30... Re8+ 31. Qe4 $19) 31. Kd3 $2 (31. Ke2 Qxh2+ 32. Kf1 Qh1+ 33. Ke2 Re8+ 34. Kd3 Qd1+ 35. Rd2 Qb1+ 36. Rc2 Bxb2 37. Rgg2) 31... Bxb2+ $2 (31... Bxc5+ 32. Bd5 Qd4+ {[%mdl 64] Double Attack} 33. Ke2 Qf2+ 34. Kd1 Rxd5+ 35. Qxd5 Qf1+ 36. Kd2 cxd5) 32. Ke3 $2 {[#]} (32. Bd5 Rxd5+ 33. Qxd5 cxd5 34. Rxb2 Qc4+ 35. Kd2 Qd4+ 36. Kc1 Qxc5+ 37. Kd1) 32... Bd4+ $1 ({Less strong is} 32... Re8+ 33. Kf2 $15) 33. Kd3 Bxc5+ {[%mdl 64] Discovered Attack} 34. Kc3 Qd4+ {Black mates.} 35. Kb3 Rb8+ 36. Ka4 Rb4+ {[%mdl 64] Double Attack} 37. Ka5 Qd8+ {Accuracy: White = 37%, Black = 84%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.23"]
[White "Huang, Renjie"]
[Black "Bulmaga, Irina"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2335"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,62,12,23,-8,-7,-22,-14,-22,-18,-7,-10,-17,-1,-29,-39,-59,-23,-25,14,0,39,0,0,0,0,-145,0,0,0,0,0,0,0,-1504,-1547,-1400,-1502,-1397,-1370,-1370,-1370,-1132,-1110]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. Nf4 Nbd7 8. c3 Qc7 9. Bc4 e6 10. O-O Bd6 11. Qf3 O-O-O {LiveBook: 11 Games} 12. Be3 {B01: Scandinavian Defence} Nb6 $146 ({Predecessor:} 12... e5 13. Nxg6 fxg6 14. d5 Kb8 15. Rad1 e4 16. Qe2 Ne5 17. dxc6 Qxc6 18. Bb5 Qc7 19. Bg5 Nf7 {1-0 (36) Lugovskoy,M (2443)-Pshmahov,O (2143) Maikop 2018}) 13. Bb3 Nbd5 14. Nxg6 {The position is equal.} hxg6 15. Bg5 Bf4 16. Bxf4 $1 Nxf4 17. Rfe1 Rh4 18. Rad1 Rdh8 19. h3 Nh7 {[%cal Bf6h7,Bh7g5,Bg5f3][%mdl 32]} 20. Qe3 Ng5 21. Bc4 Qd8 22. Bf1 Qf6 23. a4 {[#]} (23. d5 $11 {keeps the balance.} exd5 24. Qxa7) 23... Nfxh3+ $1 {[%mdl 512]} 24. gxh3 $11 Nf3+ 25. Kh1 g5 $1 {[%cal Bg6g5,Bg5g4][%mdl 32] Strongly threatening ...g4.} 26. Rd3 g4 27. Red1 $2 {[%mdl 8192]} (27. Qe4 $11) 27... Rxh3+ $19 {Black is clearly winning.} 28. Bxh3 Qh4 {[%cal Rh4h3]} 29. Qxf3 Qxh3+ 30. Kg1 gxf3 31. Rxf3 f5 {Precision: White = 49%, Black = 67%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.24"]
[White "Raja, Rithvik R"]
[Black "Gomes, Mary Ann"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2423"]
[BlackElo "2312"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,85,14,32,23,36,21,35,-6,-6,-6,-6,-10,-8,-7,-7,-7,-8,-8,0,0,0,0,7,0,38,27,45,43,56,38,48,47,50,43,74,76,94,93,104,99,99,64,69,22,16,-15,-12,-9,-8,-15,-15,-15,-15,-26,-7,-7,-7,-7,-8,-8,-8,-8,-9,-16,-14,-13]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 exd5 9. d4 Ne4 10. Bf4 c5 11. Rc1 {[%cal Ba1c1,Bc1c3,Bc3d3][%mdl 32]} Nc6 (11... Nd7 {feels hotter.} 12. dxc5 Ndxc5 13. Nd4 Nxc3 14. Rxc3 Bf6) 12. dxc5 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} Nxc3 13. Rxc3 bxc5 14. Ne5 {White is slightly better.} Nxe5 15. Bxe5 Qd7 16. Rd3 {[%cal Rg2d5]} d4 $146 {[#] Hoping for ...Bxg2.} ({Predecessor:} 16... Rad8 17. Bxd5 Qf5 18. Bxb7 Qxe5 19. b3 Qb2 {1-0 (39) Gagunashvili,M (2555)-Li,C (2320) Moscow 2006}) 17. Bxb7 Qxb7 18. Qb3 Qe4 19. Bf4 g5 20. Bd2 Rab8 21. Qc2 Rfc8 {Threatens to win with ...c4.} 22. b3 Bf6 (22... Qg6 {is interesting.} 23. Bc1 Rb6 24. e3 Re6 25. Rf1 Bf6) 23. Rc3 $36 {[%mdl 2048] White has the initiative.} Qxc2 24. Rxc2 Be7 25. e3 {Strongly threatening exd4.} d3 26. Rc4 Rc6 27. Ra4 c4 28. bxc4 Rb2 {[#]} 29. Rd1 $1 Bf6 30. Ba5 Rd6 31. c5 Rc6 32. Rxd3 Rxc5 33. Bd8 Rc1+ 34. Kg2 Rcc2 35. Bxf6 {[%cal Rd3d8]} Rxf2+ 36. Kh3 {[%cal Rd3d8]} Rxf6 $11 {[%mdl 4096] Endgame KRR-KRR} 37. Rd5 (37. Rxa7 h5 $19) 37... Rg6 38. Kg4 {The position is equal.} Rxh2 {And now ...h5+ would win.} 39. Rxg5 h5+ 40. Kf5 Rf2+ 41. Rf4 Rxg5+ 42. Kxg5 Rxa2 43. Kxh5 {Accuracy: White = 80%, Black = 65%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.25"]
[White "Le, Quang Long"]
[Black "Hoang, Thi Bao Tram"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2412"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,135,-54,25,0,27,27,17,14,26,20,26,18,31,7,20,0,0,0,0,0,0,0,0,0,2,-10,0,-2,0,-7,-10,-8,-8,-47,-42,-40,-40,-48,-41,-89,-97,-147,-146,-154,-121,-120,-110,-119,-42,-45,-48,-47,-47,-168,-89,-108,-61,-66,-40,-40,-40,-37,-39,-50,-26,-133,-58,-66,-39,-63,-27,-30,-36,-46,-8,-8,459,461,443,452,415,435,546,469,633,616,581,464,464,460,457,457,457,457,453,452,445,379,664,663,649,640,2222,1880,12818,29955,29968,29971,29972,29972,29972,29973,29972,29971,29968,29969,29976,29977,29982,29983,29985,29984,29986,29987,29992,29990,29991,29992]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 d4 5. b4 c5 (5... Bxb4 $15 6. Qa4+ Nc6) 6. Bb2 {A13: English Opening: 1...e6} a5 7. bxc5 Bxc5 8. e3 {[%cal Re3d4] The position is equal.} Nc6 9. exd4 $146 ({Predecessor:} 9. O-O O-O 10. Na3 e5 11. Nb5 Bg4 12. h3 Bh5 13. g4 {1-0 (51) Ehlvest,J (2650)-Pomes Marcet,J (2400) Terrassa 1991}) 9... Nxd4 10. O-O O-O 11. Na3 {[#]} e5 $1 {[%mdl 512]} 12. Nxd4 (12. Nxe5 Qd6) 12... Bxd4 13. Bxd4 Qxd4 14. Qc2 Rd8 15. Nb5 Qc5 16. Rac1 Rb8 17. Qc3 Bf5 18. Qe3 $1 {[%cal Re3c5]} Qxe3 19. dxe3 Rd2 $36 {[%mdl 2048] Black is pushing.} 20. a3 Bd3 21. Rfd1 Rxd1+ 22. Rxd1 Bxc4 23. Nd6 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 24. Rb1 {[#]} Bd3 $1 {[%cal Rd3b1]} 25. Rb3 e4 26. Bf1 Bxf1 27. Kxf1 $17 {[%mdl 4096] Endgame KRN-KRN} b4 28. Nc4 {[#]} Rb5 (28... a4 $1 $17 {[%cal Ra4b3]} 29. Rxb4 Rxb4 30. axb4 Nd5) 29. Nd6 $15 Rd5 {Threatens to win with ...Rd1+.} 30. Nc4 Rc5 31. Nd2 ({Only move:} 31. Nd6 $1 $15) 31... Rb5 (31... Rc2 $19 32. Ke1 Rc1+ 33. Ke2 Nd5 34. Nxe4 f5) 32. axb4 axb4 33. Ke2 g5 34. h3 Kg7 35. Rb2 Kg6 36. Kd1 h5 37. Nb3 (37. Rc2 $11) 37... Nd5 (37... g4 $17 38. h4 Nd7) 38. Rd2 Kf6 39. Rd4 Ke5 40. Kc2 f5 41. Nd2 Rb8 42. Kb3 Ra8 $2 {[%mdl 8192]} (42... Rb7 $11 {and Black stays safe.}) 43. Nc4+ $18 Ke6 {[#]} 44. Rxd5 $1 {[%mdl 512] KRN-KR} Ra1 (44... Kxd5 45. Nb6+) 45. Rd6+ Ke7 46. Kxb4 Rh1 47. Kc5 Rxh3 48. Rg6 Rh2 49. Rxg5 Kf6 50. Rg8 Rxf2 51. Nb6 Ke6 52. Rg6+ Kf7 53. Rg5 h4 $2 (53... Ke6 54. Rxh5 Rc2+ 55. Kb4 Kf6 56. Nd5+ Kg6) 54. gxh4 f4 55. Kd4 fxe3 56. Kxe3 Rb2 57. Nd5 Rh2 {White mates.} 58. h5 Rh4 59. Nf4 Kf6 60. Ra5 Rh1 61. Kxe4 Re1+ 62. Kf3 Kg7 63. Ra6 Re5 64. Kg4 Kh7 65. Ne6 Re4+ 66. Kf5 Rh4 67. Ng5+ Kg7 68. Ra7+ {Accuracy: White = 72%, Black = 29%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.26"]
[White "Nitin, S.."]
[Black "Le, Minh Hoang"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2408"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,28,22,38,40,87,70,91,101,95,95,114,28,41,0,0,0,0,-10,0,-35,-20,-35,48,63,62,53,76,56,63,69,81,81,79,83,231,73,106,0,95,96,148,118,144,43,126,100,113,109,118,48,141,150,279,307,300,289,356,355,353,336,343,337,547,525,545,521,1051,1054,1023,944]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7 7. O-O Qb6 {B43: Sicilian: Kan Variation: 5 Nc3} (7... Nc6 8. Nxc6 Bxc6 9. Re1 Bc5 10. Qh5 Bd4 11. Ne2 g6 12. Qh3 Bg7 13. c3 Nf6 14. Nd4 Bb7 15. Bh6 O-O 16. Bxg7 Kxg7 {½-½ (36) Guseinov,G (2664)-Popov,I (2592) St Petersburg 2018}) 8. Nb3 d6 9. a4 {[%cal Ra4b5,Ba2a4,Ba4a5][%mdl 32]} b4 {White is slightly better.} 10. a5 Qc7 11. Na4 $1 Nd7 12. Bd2 $146 (12. Nb6 $16) ({Predecessor:} 12. Be3 Ngf6 13. Nb6 Rd8 14. Qe2 Nxe4 15. Bxa6 Bxa6 16. Qxa6 {½-½ (60) Abhishek,K (2158)-Schneider,V (2301) Barbera del Valles 2009}) 12... Ngf6 $11 13. Bxb4 Nxe4 14. Qe2 Nef6 $1 15. f4 Be7 16. Nd4 Nd5 17. Bd2 Nc5 (17... Bf6 $15 18. Nf3 O-O) 18. c4 $14 Nf6 $1 19. Bc2 $36 {[%mdl 2048] White has some pressure.} O-O 20. Nb6 Rad8 21. b4 Nce4 22. Be3 g6 23. Rac1 Nd7 {[#]} (23... Nc3 $16 {was worth a try.} 24. Qe1 Nce4) 24. Ba4 $2 (24. f5 $1 $18 {[%mdl 512] is the precise move to win.}) 24... Ndf6 25. Bc2 (25. Nb3 $16) 25... Rfe8 (25... Nd7 $1 $11) 26. Nf3 $16 Bf8 (26... Nh5 $142) 27. Ba4 Re7 {[#]} 28. Bd4 (28. c5 $1 $16 {[%cal Rc5c6] Hoping for c6.} dxc5 29. bxc5) 28... e5 {[#]} (28... Nh5 $1 $14) 29. Nd5 $1 {[%mdl 512]} Nxd5 (29... Bxd5 30. Bb6) 30. cxd5 Qb8 31. Qxe4 (31. Bb6 $16 exf4 32. Bxd8 Qxd8 33. Qd3) 31... f5 ({Black should play} 31... exd4 $14 32. Qxd4 Bg7) 32. Qd3 e4 (32... exd4 $16 33. Nxd4 Bg7) 33. Qb3 $18 exf3 34. Rxf3 Re4 35. Bb6 Rc8 36. Bc6 Bg7 37. Re3 Kh8 $2 (37... Bd4 {keeps fighting.} 38. Bxd4 Rxd4) 38. Rxe4 {White is clearly winning.} fxe4 39. Qc4 Bxc6 40. dxc6 d5 41. Qxa6 {Accuracy: White = 50%, Black = 23%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.27"]
[White "Rahul Srivatshav P"]
[Black "Kulkarni, Rakesh"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2400"]
[BlackElo "2298"]
[Annotator "TA"]
[PlyCount "181"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,181,54,42,68,64,63,63,127,125,126,85,81,85,85,93,85,85,85,85,85,85,85,85,85,85,85,85,86,82,85,82,85,79,86,86,86,86,86,86,87,89,99,101,101,93,144,140,139,119,232,191,239,239,239,239,239,239,621,590,512,498,5757,708,700,700,700,700,624,609,569,342,295,220,4908,4785,3904,2081,29937,29938,12848,3606,29945,29946,29941,29942,12829,12850,5398,29940,29944,5073,4135,4129,29958,29959,29961,29960,29973,29973,29974,29968,29968,29968,29968,29970,29970,29971,29971,29972,29972,29974,29973,29975,29975,29976,29980,29975,29974,29976,29975,29976,29976,29975,29976,29978,29977,29978,29978,29979,29979,29980,29981,29980,29982,29975,29983,29984,29984,29985,29985,29986,29987,29988,29988,29989,29989,29990,29992,29991,29993,29994,29994,29995,29995,29996,29996,29995,29997,4153]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 d5 6. Nbd2 Bd6 7. Bg3 O-O 8. Bd3 Qe7 9. Ne5 Nd7 10. Nxd7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bxd7 (10... Qxd7 11. O-O b6 12. Bxd6 Qxd6 13. f4 f5 14. Nf3 c4 15. Bc2 b5 16. a3 a5 17. g4 Bd7 {½-½ (69) Grischuk,A (2781)-Hammer,J (2677) Stavanger 2015}) 11. Bxd6 Qxd6 12. dxc5 Qe7 13. b4 {LiveBook: 3 Games} a5 14. a3 Qf6 {...axb4 is the strong threat.} 15. Rc1 $1 {[#]} e5 $146 (15... axb4 $14 16. axb4 Ra3) ({Predecessor:} 15... axb4 16. axb4 Ne5 17. Be2 Ra2 {1-0 (41) Dlugy,M (2518)-Khairullin,I (2652) Berlin 2015}) 16. O-O e4 17. Bb5 {aiming for Nxe4!} Qg6 18. f4 exf3 19. Nxf3 axb4 20. axb4 ({Much worse is} 20. cxb4 $6 Rxa3 21. Qxd5 Be6 $11) 20... Ra2 {[%csl Ga2][%cal Rg6g2]} 21. Rf2 Rxf2 22. Kxf2 Nxb4 23. Bxd7 Nd3+ 24. Kg1 {Threatens to win with Ra1.} Nxc1 25. Qxc1 Rd8 26. Bb5 Rc8 27. Qa3 Qe4 28. Kf2 $1 Qe7 29. Qa7 Qxc5 30. Qxb7 Rc7 31. Qa6 Ra7 32. Qc6 Ra2+ 33. Kg3 Qxc6 34. Bxc6 Rc2 ({Black should play} 34... Ra5) 35. Bxd5 $16 {And now c4 would win.} Rxc3 36. Kf4 Kf8 (36... Rc5 $16 {was necessary.}) 37. Ng5 $18 f6 38. Nxh7+ Ke7 39. h4 Rc5 40. e4 Rb5 $2 (40... Rc2 41. e5 Rd2) 41. Kf5 Rb2 42. g4 Rf2+ (42... Rh2 $142 43. h5 Rf2+ 44. Kg6 Rf4) 43. Kg6 Rf4 44. g5 Rxh4 45. gxf6+ gxf6 46. Nxf6 Rh1 47. Ng8+ Kd6 {[#] intending ...Ke5.} 48. Nh6 $1 Ke5 $2 (48... Rf1 49. Ng4 Rg1) 49. Nf7+ Kd4 50. Kf6 Rf1+ 51. Ke6 Re1 52. Nd6 (52. e5 $142 Kc5 53. Ng5) 52... Rg1 53. Nf5+ Kc5 54. Kf6 Re1 55. Bb7 Rb1 {[#]} 56. Bc8 $1 Kc6 57. e5 (57. Ne7+ $142 Kb6 58. e5 Rf1+ 59. Nf5 Kc7 60. Be6 Re1 61. Bf7 Rb1 62. e6) 57... Kc7 58. Be6 Kd8 59. Bc4 {White mates.} Rc1 60. Bf7 Re1 61. e6 Kc7 62. Be8 Kb6 63. Ba4 Kc5 64. e7 Rxe7 65. Kxe7 Kd5 66. Kf6 Ke4 67. Bc6+ Kd3 68. Ke5 Kc4 69. Be4 Kc5 70. Nd6 Kb4 71. Kd4 Kb3 72. Nc4 Kb4 73. Bc6 Kb3 74. Ne3 Kb4 75. Nc2+ Kb3 76. Kd3 Kb2 77. Bd5 Kb1 78. Kc3 Kc1 79. Ba2 Kd1 80. Nd4 Ke1 81. Kd3 Kf2 82. Ne2 Kf3 83. Be6 Kf2 84. Bd5 Ke1 85. Ke3 Kf1 86. Bf3 Ke1 87. Nf4 Kf1 88. Be2+ Kg1 89. Kf3 Kh2 90. Kf2 Kh1 91. Kg3 {Precision: White = 89%, Black = 52%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.28"]
[White "Miciano, John Marvin"]
[Black "Zou, Chen"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2317"]
[BlackElo "2397"]
[Annotator "ChessBase"]
[PlyCount "177"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:50]} 2. c4 {[%emt 0:00:25]} e6 {[%emt 0:00:34]} 3. g3 {[%emt 0:00:40]} d5 {[%emt 0:00:21]} 4. Bg2 {[%emt 0:00:35]} Bb4+ {[%emt 0:00:47]} 5. Bd2 {[%emt 0:00:21]} Be7 {[%emt 0:00:08]} 6. Nf3 {[%emt 0:00:34]} O-O {[%emt 0:00:10]} 7. O-O {[%emt 0:00:42]} c6 {[%emt 0:00:19]} 8. Qc2 {[%emt 0:01:33]} Nbd7 {[%emt 0:00:22]} 9. Bf4 {[%emt 0:01:47]} Nh5 {[%emt 0:00:11]} 10. Bc1 {[%emt 0:02:49]} Nhf6 {[%emt 0:00:09]} 11. Nbd2 {[%emt 0:04:21]} b6 {[%emt 0:00:24]} 12. e4 {[%emt 0:00:48]} Bb7 {[%emt 0:00:06]} 13. e5 {[%emt 0:01:53]} Ne8 {[%emt 0:00:08]} 14. cxd5 {[%emt 0:01:04]} cxd5 {[%emt 0:00:06]} 15. Re1 {[%emt 0:01:01]} Rc8 {[%emt 0:00:25]} 16. Qa4 {[%emt 0:02:19]} Nc7 {[%emt 0:21:06]} 17. Bf1 {[%emt 0:02:40]} Qe8 {[%emt 0:08:47]} 18. Qd1 {[%emt 0:03:07]} Nb8 {[%emt 0:12:41]} 19. Bd3 {[%emt 0:01:34]} Nc6 {[%emt 0:01:05]} 20. Nb3 {[%emt 0:03:43]} a5 {[%emt 0:09:18]} 21. Bg5 {[%emt 0:04:53]} a4 {[%emt 0:10:57]} 22. Bxe7 {[%emt 0:01:55]} Qxe7 {[%emt 0:00:41]} 23. Nc1 {[%emt 0:01:02]} f6 {[%emt 0:06:00]} 24. Bf1 {[%emt 0:08:41]} Qf7 {[%emt 0:15:01]} 25. Nd3 {[%emt 0:07:02]} a3 {[%emt 0:09:49]} 26. Qd2 {[%emt 0:06:26]} Ba6 {[%emt 0:01:53]} 27. bxa3 {[%emt 0:08:21]} Kh8 {[%emt 0:00:28]} 28. Rab1 {[%emt 0:11:27]} Na5 {[%emt 0:00:17]} 29. exf6 {[%emt 0:00:43]} gxf6 {[%emt 0:00:05]} 30. Qb4 {[%emt 0:03:21]} Nc4 {[%emt 0:00:59]} 31. Nf4 {[%emt 0:00:31]} Rb8 {[%emt 0:00:30]} 32. Nd2 {[%emt 0:02:28]} Nxd2 {[%emt 0:00:50]} 33. Qxd2 {[%emt 0:00:10]} Bxf1 {[%emt 0:00:11]} 34. Kxf1 {[%emt 0:00:11]} Rfe8 {[%emt 0:00:27]} 35. Rbc1 {[%emt 0:02:46]} e5 {[%emt 0:00:54]} 36. dxe5 {[%emt 0:03:04]} fxe5 {[%emt 0:00:01]} 37. Nd3 {[%emt 0:01:22]} Qg7 {[%emt 0:00:02]} 38. Qc3 {[%emt 0:02:41]} Re7 {[%emt 0:01:26]} 39. Rxe5 {[%emt 0:02:35]} Rf7 {[%emt 0:00:01]} 40. Rg5 {[%emt 0:02:20]} Qxc3 {[%emt 0:00:10]} 41. Rxc3 {[%emt 0:00:05]} Nb5 {[%emt 0:01:17]} 42. Rc1 {[%emt 0:01:32]} Rd8 {[%emt 0:00:32]} 43. Nf4 {[%emt 0:02:50]} Nc7 {[%emt 0:00:27]} 44. Rd1 {[%emt 0:00:54]} d4 {[%emt 0:00:22]} 45. Re5 {[%emt 0:00:24]} Rfd7 {[%emt 0:00:17]} 46. Kg2 {[%emt 0:01:42]} Ra8 {[%emt 0:00:52]} 47. Rd3 {[%emt 0:00:34]} Na6 {[%emt 0:00:32]} 48. Rd5 {[%emt 0:01:14]} Rxd5 {[%emt 0:00:18]} 49. Nxd5 {[%emt 0:00:08]} Rd8 {[%emt 0:00:20]} 50. Nxb6 {[%emt 0:00:41]} Nc5 {[%emt 0:00:03]} 51. Rd1 {[%emt 0:00:14]} Kg7 {[%emt 0:00:19]} 52. Nc4 {[%emt 0:00:27]} Kf6 {[%emt 0:00:25]} 53. Nd2 {[%emt 0:01:00]} Ke5 {[%emt 0:01:34]} 54. Nb3 {[%emt 0:00:40]} Na4 {[%emt 0:00:31]} 55. Re1+ {[%emt 0:00:36]} Kf5 {[%emt 0:00:02]} 56. Kf3 {[%emt 0:00:31]} Nc3 {[%emt 0:00:18]} 57. Re7 {[%emt 0:00:23]} h5 {[%emt 0:00:31]} 58. Rc7 {[%emt 0:00:26]} Ke5 {[%emt 0:00:32]} 59. Rc5+ {[%emt 0:00:19]} Nd5 {[%emt 0:00:01]} 60. Ke2 {[%emt 0:00:35]} Ra8 {[%emt 0:00:49]} 61. Ra5 {[%emt 0:00:32]} Rd8 {[%emt 0:01:14]} 62. Kd3 {[%emt 0:00:21]} h4 {[%emt 0:00:32]} 63. f4+ {[%emt 0:00:16]} Kf5 {[%emt 0:00:30]} 64. Nxd4+ {[%emt 0:00:43]} Kg4 {[%emt 0:00:13]} 65. Ra6 {[%emt 0:00:53]} hxg3 {[%emt 0:00:15]} 66. hxg3 {[%emt 0:00:07]} Kxg3 {[%emt 0:00:03]} 67. f5 {[%emt 0:00:28]} Nc7 {[%emt 0:00:14]} 68. Ra5 {[%emt 0:00:23]} Kf4 {[%emt 0:01:43]} 69. a4 {[%emt 0:00:22]} Kg5 {[%emt 0:00:14]} 70. Kc4 {[%emt 0:00:29]} Kf6 {[%emt 0:00:31]} 71. Rc5 {[%emt 0:00:27]} Ne8 {[%emt 0:00:36]} 72. Rc6+ {[%emt 0:00:45]} Ke7 {[%emt 0:00:21]} 73. a5 {[%emt 0:00:50]} Nd6+ {[%emt 0:00:10]} 74. Kb4 {[%emt 0:00:32]} Kd7 {[%emt 0:00:04]} 75. Rc5 {[%emt 0:00:16]} Rf8 {[%emt 0:01:11]} 76. Rd5 {[%emt 0:00:28]} Ke7 {[%emt 0:00:51]} 77. a6 {[%emt 0:00:51]} Nc8 {[%emt 0:00:26]} 78. Nc6+ {[%emt 0:00:20]} Kf6 {[%emt 0:00:33]} 79. Kc5 {[%emt 0:00:27]} Rf7 {[%emt 0:00:09]} 80. Kb4 {[%emt 0:00:49]} Rc7 {[%emt 0:00:33]} 81. Rc5 {[%emt 0:00:17]} Nb6 {[%emt 0:00:53]} 82. Nd4 {[%emt 0:00:23]} Rd7 {[%emt 0:00:19]} 83. Rc6+ {[%emt 0:00:26]} Ke7 {[%emt 0:00:27]} 84. f6+ {[%emt 0:00:30]} Kf7 {[%emt 0:00:07]} 85. Rxb6 {[%emt 0:00:18]} Rxd4+ {[%emt 0:00:08]} 86. Kb5 {[%emt 0:00:06]} Rd5+ {[%emt 0:00:21]} 87. Kc6 {[%emt 0:00:23]} Rd4 {[%emt 0:01:22]} 88. a7 {[%emt 0:00:18]} Ra4 {[%emt 0:00:33]} 89. Kb7 {[%emt 0:00:08]} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.29"]
[White "Pranesh, M."]
[Black "Nava, Roderick"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2309"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,69,0,0,-52,-41,-31,-30,-41,-24,-78,-47,-63,-42,-27,-3,-60,39,22,62,64,93,60,35,37,100,94,182,0,0,0,0,0,599,506,598,591,570,568,763,771,761,757,29967,29971,29972,29971,29975,29976,29973,29974,29966,29967,29997,29998]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. f5 {B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines} ({White should try} 10. Bd4 $11) (10. Bd4 Nh6 11. exf6 Bxf6 12. Ne4 Bxd4 13. Qxd4 O-O 14. O-O-O d5 15. Nc5 Qd6 16. g3 Nf5 17. Qc3 Qf6 18. Rd3 Nd6 19. Qxf6 exf6 {1-0 (41) Yu,Y (2721)-Frolyanov,D (2539) Novi Sad 2016}) 10... fxe5 11. fxg6 d5 12. gxh7 {aiming for Qh5+.Black has an edge.} Nf6 $1 13. Be2 (13. Bd3 $11 {keeps the balance.} e4 14. O-O Rxh7 15. Rxf6 Bxf6 16. Nxe4 $1 {[%mdl 512]} dxe4 17. Bxe4 {[%mdl 64] Double Attack} Qxd1+ 18. Rxd1) 13... Rxh7 14. O-O Be6 $146 ({Predecessor:} 14... Qd6 15. Bg5 Be6 16. Qd2 O-O-O 17. Na4 Rdh8 {0-1 (66) Ari,A (2139)-Mansour,S (2255) Beirut 2009}) 15. Na4 Qd6 16. Nc5 (16. c3 $11) 16... Bf7 (16... Bh6 $1 $15 17. Qc1 Bxe3+ 18. Qxe3 d4) 17. b4 $1 $14 d4 18. Bg5 e4 19. Bf4 Qd5 20. c4 $36 {[%mdl 2048] White fights for an advantage.} dxc3 (20... Qd8 $14) 21. Qa4 $1 $16 Nd7 (21... Kf8 $16 {was worth a try.}) 22. Rad1 $2 ({White has to play} 22. Nxd7 $18 Qxd7 23. Rad1) 22... Nxc5 $11 23. bxc5 Qxc5+ 24. Kh1 Bd5 $2 {[%mdl 8192] [#]} (24... Kf8 $1 $11) 25. Rxd5 $1 $18 {[%mdl 512]} Qxd5 {[#]} 26. Bc4 $1 {[%cal Rc4d5]} Qd7 27. Rd1 Qb7 {Threatens to win with ...Rd8.} 28. Ba6 {[%mdl 64] Discovered Attack} Qb6 29. Qxe4 {Threatening mate with Qg6+.} Rh4 {[#]} 30. Bc4 $1 {White mates.} ({Worse is} 30. Qg6+ Kf8 $11) 30... Rxf4 31. Qxf4 {[%csl Gc4][%cal Rf4f7]} Bf6 32. Qg4 {[%cal Rg4g8]} Bd4 33. Be6 {[%cal Rg4g8]} Kd8 34. Rxd4+ Kc7 35. Rd7+ {[%mdl 64] Double Attack. Accuracy: White = 64%, Black = 35%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.11"]
[Round "7.30"]
[White "Xu, Minghui"]
[Black "Sammed Jaykumar, Shete"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2293"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,115,43,33,112,98,104,100,159,146,195,192,202,146,154,100,91,106,97,115,116,113,163,62,63,70,60,62,67,73,62,72,60,71,78,16,19,17,16,22,24,24,24,24,24,24,24,24,489,471,439,432,432,432,377,265,510,347,518,490,554,516,548,380,555,551,510,339,445,254,254,247,247,225,231,137,103,24,379,379,357,357,1756,1470,29980,29981,29980,29982,29987,29988,29988,29987]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. d4 cxd4 5. Nxd4 b6 6. e4 d6 7. Be2 Bb7 8. f3 a6 9. Be3 Nbd7 10. O-O Be7 11. Qd2 O-O 12. Rfd1 Qc7 13. Rac1 Rac8 14. b4 d5 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4} (14... Qb8 $14) (14... Qb8 15. a3 Rfe8 16. Nb3 Bc6 17. Kh1 h6 18. Bf1 Ne5 19. Qf2 Bd7 20. Nb1 Ba4 21. N1d2 b5 22. c5 dxc5 23. Bxc5 Bxc5 24. Rxc5 {0-1 (62) Negi,P (2664)-Hou,Y (2683) Saint Louis 2015}) 15. exd5 $16 Bxb4 {[%cal Re6d5]} 16. dxe6 Ne5 (16... Nc5 $142) 17. Qb2 $1 {[%cal Rb2b4]} Bc5 18. Na4 $1 Rfe8 19. Rb1 $146 ({Predecessor:} 19. exf7+ Qxf7 20. Bf2 Rb8 21. Qc2 Nh5 22. Bf1 {0-1 (39) Knott,S (2220)-Cummings,D (2265) Brighton/ East Sussex 1980}) 19... Ba8 20. Nxb6 (20. Qc3 $142) 20... Bxf3 21. Nxc8 ({Of course not} 21. Nxf3 $6 Bxe3+ 22. Kf1 Nxf3 $11) 21... Neg4 22. Qb8 $1 {[%cal Rb8c7]} ({But not} 22. Bxf3 Qxh2+ 23. Kf1 Nxe3+ 24. Ke2 Nxd1 $17) 22... Qxb8 23. Rxb8 Nxe3 24. Nb3 ({Don't play} 24. Bxf3 $6 Nxd1 25. Kf1 fxe6 $16) (24. Rd2 $18 Nf5 25. Bxf3 Nxd4 26. Kf1 Nxe6 27. Rdb2) 24... Nxd1+ $14 25. Nxc5 Bxe2 26. exf7+ Kxf7 {And now ...Kg6 would win.} 27. Nd6+ {[%mdl 64] Double Attack} Ke7 28. Nxe8 Nxe8 29. Rb7+ Kd6 30. Nxa6 (30. Ne4+ $16 Kc6 31. Re7) 30... Bxc4 31. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Nc3 32. a5 Nd5 33. Nb4 Nec7 34. Nxd5 Bxd5 35. Rb8 Bc4 36. Kf2 Ne6 $2 {[%mdl 8192] [#]} (36... Ba6 $11 {and Black stays safe.}) 37. a6 $1 $18 {[%cal Ra6a7][%mdl 512]} Nc7 (37... Bxa6 38. Rb6+) 38. a7 Bd5 39. Rd8+ Ke6 40. h4 h6 $2 (40... h5 41. g3 g6) 41. g4 Na8 (41... Bh1 $142 42. Rg8 Kf7) 42. Ke3 Bh1 43. Kf4 Bg2 44. Rb8 Bh1 (44... Nc7 {keeps fighting.} 45. Rg8 Kf6 46. g5+ hxg5+ 47. hxg5+ Kg6) 45. Rb1 Bg2 46. Ra1 Bb7 47. Ra5 (47. g5 $142) 47... Nc7 48. Ke3 Kd6 49. Kd4 Bf3 50. Rf5 (50. Ra4 $18) 50... Bxg4 $16 {[#]} 51. Rf7 (51. Rd5+ $1 $16 {[%mdl 512]} Ke6 (51... Nxd5 52. a8=Q) 52. Rc5) 51... Bd7 $2 {[%mdl 8192]} (51... Nb5+ $1 $11 52. Ke3 Nxa7) 52. Ke3 $18 g5 {[#]} 53. h5 $1 Na8 $2 (53... Nd5+ 54. Kd4 Bc6) 54. Rh7 Be8 55. Rxh6+ {White mates.} Ke7 56. Rh8 Bc6 57. h6 Nc7 58. Rh7+ {Accuracy: White = 62%, Black = 26%.} 1-0

