[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.1"]
[White "Wen, Yang"]
[Black "Wang, Hao"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2599"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "22"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,22,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. c3 Qd3 8. hxg4 hxg4 9. Nxe5 Bd6 10. Nxd3 Bh2+ 11. Kh1 Bg3+ $146 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.2"]
[White "Bogdanovich, Stanislav"]
[Black "Predke, Alexandr"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2536"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,135,0,27,27,27,12,10,0,0,0,0,-2,0,0,0,0,0,0,12,0,13,0,14,14,13,0,0,0,0,0,0,-51,-45,-57,-25,-45,0,0,0,-2,0,-5,0,0,0,0,0,-10,-8,-12,-8,-18,-14,-8,0,-14,-14,-103,-110,-110,-56,-56,-56,-64,0,0,0,0,0,0,-4,-8,0,-8,-8,-185,0,-178,0,-206,-206,-214,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29980]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Nbd2 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 7. Bb3 d6 (7... d5 8. exd5 Nxd5 9. Ne4 Be7 10. O-O Kh8 11. Re1 f5 12. Ng3 f4 13. Nf1 Bg4 14. h3 {1-0 (56) Duda,J (2724)-Yu,Y (2760) Liaocheng 2018}) 8. Nf1 h6 9. Ng3 Be6 {LiveBook: 11 Games} 10. Bxe6 fxe6 11. O-O $146 ({Predecessor:} 11. b4 Ba7 12. O-O d5 13. a4 Rf7 14. Qe2 Ng4 15. h3 {1-0 (45) Stubbs,M (2029)-O'Brien,G (1751) ICCF email 2014}) 11... a5 12. d4 exd4 13. cxd4 Bb6 14. Be3 d5 15. e5 Ne4 16. Qd3 Nxg3 17. fxg3 Qe7 18. Rac1 Nb4 19. Qb1 Rac8 20. a3 Nc6 21. g4 Rxf3 22. Rxf3 Bxd4 23. Bxd4 Nxd4 24. Re3 (24. Rf2 $11) 24... Qg5 $15 25. Qd3 c5 ({But not} 25... Qxg4 $2 26. h3 $18) (25... Ne2+ $5 26. Qxe2 d4 $15) 26. h3 Ne2+ 27. Qxe2 d4 28. Rec3 dxc3 29. Rxc3 $11 {[%mdl 4096] Endgame KQR-KQR} b6 30. Rb3 Rf8 31. Qe4 Rf4 32. Qa8+ Kh7 33. Rxb6 Rd4 $36 {[%mdl 2048] Black has some pressure.} 34. Qf3 Qxe5 {And now ...c4 would win.} 35. Rb3 c4 36. Rc3 Re4 37. Rc1 {[#]} (37. b3 $11) 37... Re3 $1 $17 {[%cal Re3f3]} 38. Qc6 Qxb2 (38... Qf4 $17 {Strongly threatening ...Rxh3!} 39. Rd1 (39. Rf1 Qd4 $17) 39... Re2) 39. Qxc4 $15 Qxa3 40. Kf2 Qd3 (40... a4 $15) 41. Qxd3+ $11 Rxd3 {KR-KR} 42. Rc6 $1 a4 43. Rxe6 a3 44. Ra6 Rd2+ 45. Ke1 Ra2 46. Kf1 $2 (46. Kd1 $11 {and White is okay.}) 46... Kg8 $2 (46... Ra1+ $19 47. Kf2 g5 48. Ra7+ Kg8) 47. Ra7 $2 (47. Kg1 $11) 47... g5 $2 (47... Ra1+ $19 48. Kf2 g5 49. Ra8+ Kf7 50. Ra7+ Ke8) 48. Kg1 $2 (48. Ke1 $11 {and White stays safe.}) 48... Kf8 49. Kh2 Ke8 $2 (49... Ra1 $19 {aiming for ...a2.} 50. Ra4 a2) 50. Ra6 {The position is equal.} Kd7 51. Rxh6 Rc2 52. Ra6 a2 53. Kg3 Kc7 {White should prevent ...Kb7.} 54. h4 Kb7 55. Ra4 gxh4+ 56. Kxh4 Kb6 57. g3 $1 Kb5 58. Ra8 Rh2+ 59. Kg5 Kb4 60. Kf5 Rc2 61. Kf6 Kb5 62. Ke7 Kb6 63. Ra3 Rc7+ 64. Kf6 Ra7 {[#]} 65. Rxa2 $1 {[%mdl 512]} Rxa2 66. g5 Rf2+ 67. Ke5 Rg2 68. Ke4 $2 {[%mdl 40960] Precision: White = 65%, Black = 56%. . An unexpected result.} (68. g6 $11) 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.3"]
[White "Liu, Guanchu"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2445"]
[BlackElo "2639"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,34,48,30,46,47,43,46,53,45,61,45,79,54,60,60,69,65,131,120,108,133,131,125,129,126,91,116,119,134,117,107,150,145,159,150,249,221,300,270,301,278,456,460,428,432]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7 7. O-O Qc7 8. Re1 Bd6 9. Nf3 {B43: Sicilian: Kan Variation: 5 Nc3} Bc5 10. Qd2 Ne7 (10... Be7 11. a4 b4 12. Ne2 Nf6 13. Ng3 Nc6 14. b3 h5 15. h3 h4 16. Nf1 {1-0 (58) Grischuk,A (2750)-Rapport,R (2698) chess.com INT 2017}) 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] White is slightly better.} Bd6 12. a4 O-O 13. Bb2 ({Much worse is} 13. axb5 Bxb4 14. Bb2 Rc8 $11) 13... f6 14. Reb1 $146 ({Predecessor:} 14. Red1 Bxb4 15. Nxb5 axb5 16. Qxb4 {1-0 (40) Sadler,C (1894)-Steamboat,B (2163) IECC email 2009}) 14... bxa4 15. Rxa4 Nbc6 16. b5 Ne5 ({Better is} 16... Bf4 $1 $14 17. b6 Qb8) 17. Nxe5 $16 Bxe5 18. bxa6 Bxh2+ 19. Kf1 Bf4 20. Qe2 Bc6 {[#]} 21. Nb5 $1 {[%cal Rb5c7]} Qd8 22. a7 Nc8 23. g3 $36 {[%mdl 2048] White is on the roll.} Be5 24. Ba3 Rf7 {[#]} 25. Bc5 $1 d6 (25... Kh8 $16 {is a better defense.} 26. f4 Bc7) 26. Be3 $18 d5 27. exd5 exd5 28. f4 Bd6 $2 (28... g6 29. Bc5 (29. fxe5 fxe5+ 30. Kg1 e4 $16) 29... Bxb5 30. Rxb5 Bd6) 29. Ra6 Bxb5 30. Rxb5 {Accuracy: White = 93%, Black = 43%.} ({Weaker is} 30. Bxb5 Nxa7 31. Rba1 Bb8 $18) 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.4"]
[White "Popov, Ivan"]
[Black "Van Wely, Loek"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2581"]
[BlackElo "2612"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,24,28,27,22,23,34,21,31,34,27,32,26,36,29,37,13,23,0,0,0,13,-3,-3,-7,-4,-6,-3,-8,-8,-6,-10,-15,0,-5,0,-97,8,18,19,19,14,11,14,0,0,0,0,0,0,0,0,-3,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Be7 {B81: Sicilian Scheveningen: Keres Attack} 8. g5 Nfd7 9. Be3 b5 {White is slightly better.} 10. a3 Bb7 11. h4 Nc6 12. Qd2 (12. Rg1 Nc5 13. f3 O-O 14. h5 d5 15. exd5 exd5 16. Nxc6 Bxc6 {1-0 (67) Wang,H (2730)-Yilmaz,M (2636) St Petersburg 2018}) 12... Rc8 13. Nxc6 Bxc6 14. O-O-O Rb8 15. Qd4 O-O $146 16. h5 Nc5 17. f4 Qc7 {White should prevent ...e5.} 18. h6 {[%csl Gh6][%cal Rd4g7] [#]} e5 19. Qd2 $1 {Hoping for hxg7.} g6 $1 20. Bxc5 $1 dxc5 21. Nd5 $1 {[%cal Rd5c7]} Bxd5 $1 22. exd5 {[#] d6 is the strong threat.} Rbd8 23. Re1 Bd6 24. Rh3 (24. fxe5 $11 {keeps the balance.} Bxe5 25. Kb1) 24... Rfe8 (24... exf4 $17 25. Qc3 f6 26. gxf6 Rde8) 25. Rhe3 $11 {With the idea c4.The position is equal.} Qb8 26. fxe5 Bxe5 27. Kb1 {Threatens to win with Qe2.} Bd6 28. Bh3 Rxe3 29. Qxe3 Bf8 30. Rf1 {Intending Rxf7! and mate.} Qd6 31. Bg2 a5 32. Qf3 Rd7 33. Bh3 Rb7 34. Re1 Re7 35. Rf1 Rb7 36. Re1 Re7 {Accuracy: White = 69%, Black = 80%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.5"]
[White "Gukesh D"]
[Black "Megaranto, Susanto"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2529"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,63,63,79,75,76,70,77,76,64,56,85,89,86,82,93,98,100,100,100,97,102,95,98,90,90,91,97,93,118,118,161,137,442,452,445,410,443,450,452,429,1055,1050,991,1006,889,487,503,497]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be3 Nf6 6. Qd2 Bg4 7. Be2 {B08: Pirc Defence: Classical System} (7. Ng1 b5 8. Bd3 e5 9. dxe5 dxe5 10. h3 Be6 11. Nf3 Nbd7 12. Ng5 O-O 13. Nxe6 fxe6 14. g4 Rf7 {1-0 (50) Naiditsch,A (2673)-Krasenkow,M (2610) Jurmala 2016}) 7... O-O 8. h3 Bxf3 9. Bxf3 Nbd7 {LiveBook: 19 Games} 10. O-O-O {[%cal Ba1d1,Bd1d3,Bd3b3][%mdl 32]} b5 11. e5 b4 12. exf6 bxc3 13. Qxc3 Nxf6 14. Qxc6 ({Much worse is} 14. Bxc6 $6 Rc8 $11) 14... d5 $146 ({Predecessor:} 14... Rb8) 15. Rd3 Rc8 16. Qa6 e6 17. Rhd1 Nd7 18. Rb3 Nb6 19. Be2 Qc7 {[%csl Gc8][%cal Rc7c2]} 20. Rc3 Qb8 21. Rxc8 Rxc8 22. Rd3 e5 {[#]} 23. dxe5 $1 Qxe5 24. c3 Bh6 $2 {[%mdl 8192] [#]} (24... Re8 $16 {is tougher.} 25. Qxa7 Nc4) 25. Bg4 $1 $18 f5 26. Bxh6 fxg4 27. Qxa7 {White is clearly winning.} gxh3 28. gxh3 Nc4 {[#]} (28... Qc7 $142 29. Qxc7 Rxc7) 29. Rxd5 $1 {[%mdl 512]} Qe1+ (29... Qxd5 30. Qg7#) 30. Rd1 {[%csl Gh6][%cal Ra7g7]} Qe5 31. Qd4 Qxd4 32. Rxd4 {Precision: White = 88%, Black = 58%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.6"]
[White "Cao, Sang"]
[Black "Nguyen, Ngoc Truong Son"]
[Result "1/2-1/2"]
[ECO "B91"]
[WhiteElo "2385"]
[BlackElo "2647"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,130,8,20,20,25,23,21,12,40,37,38,8,14,0,0,0,8,0,12,0,0,0,-3,0,0,0,0,0,0,-8,0,-7,-3,-18,-18,-14,-10,-48,-7,-22,0,0,83,85,142,70,64,85,111,112,112,112,107,77,99,99,130,135,200,82,89,90,90,75,75,75,75,75,75,75,75,75,75,75,90,90,99,99,99,90,90,90,90,65,90,65,65,0,90,65,90,65,90,65,90,65,90,90,93,58,58,22,22,22,22,22,58,58,65,22,22,22,25,25,25,25,25]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 {B91: Sicilian Najdorf: 6 g3} Nxd5 (9... Nbd7 10. Nec3 Nb6 11. Nxf6+ Bxf6 12. O-O O-O 13. b3 b4 14. Nd5 Nxd5 15. Qxd5 Be6 16. Qd3 Qc7 {0-1 (57) Giri,A (2782)-Vachier Lagrave,M (2789) Leuven 2018}) 10. Qxd5 Ra7 11. Be3 {The position is equal.} (11. Qd3 {keeps more tension.} Nd7 12. O-O O-O 13. Nc3 Nf6 14. Bg5) 11... Be6 (11... Rb7 {looks sharper.} 12. Qd3 Nd7 13. O-O O-O 14. Nc3 Nf6) 12. Qd2 Rb7 13. O-O Nd7 14. a3 $146 {[%cal Ba2a3,Ba3a4][%mdl 32]} ({Predecessor:} 14. f4 Bc4 15. b3 Bxe2 16. Qxe2 O-O {½-½ (51) Albrecht,H (2117)-Kordts,W (2121) Bayern 2006}) 14... O-O 15. Nc3 Nf6 16. Bg5 Rc7 17. Rfd1 Rc6 18. Bxf6 Bxf6 19. a4 b4 20. Nd5 Bxd5 21. Qxd5 Rxc2 22. b3 Qb6 23. Rd2 Rc5 24. Qxd6 Rc6 25. Qd3 $1 Rc3 26. Qb1 Rfc8 {next ...Bg5 is good for Black.} 27. Qd1 Bg5 28. Rd6 Qb8 {[#]} (28... Qc5 $11) 29. Bf1 $1 $16 ({Wrong is} 29. Rxa6 $2 Rc1 $19) 29... a5 (29... R3c6 $142 30. Rd7 Rd8) 30. Rd7 (30. Bc4 $1 $16) 30... R3c7 $1 $14 31. Bc4 $36 {[%mdl 2048] White has strong initiative.} Rf8 32. Qd6 Rxd7 33. Qxd7 Kh8 34. Bxf7 Qb6 {[#] White must now prevent ...Qf6.} 35. Rf1 Qf6 36. Bc4 Bc1 (36... Qf3 $16 {might work better.} 37. Qd5 Bd8) 37. Qe6 (37. Qa7 $18 Bb2 38. Qxa5) 37... Bb2 38. Qxf6 gxf6 $16 {[%mdl 4096] Endgame KRB-KRB} 39. f4 Rd8 40. Kg2 Rd2+ 41. Rf2 Rxf2+ 42. Kxf2 exf4 43. gxf4 {KB-KB} Kg7 44. Kf3 Kf8 45. Kg4 Bc1 46. Kf5 Ke7 47. Bg8 h6 48. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Bd2 49. h5 Bc1 50. Bh7 Bd2 51. Bg8 Bc1 $1 52. Bc4 Bd2 53. Bf1 Bc1 54. Bh3 Bd2 55. Bg4 Bc1 56. e5 fxe5 57. Kxe5 Bd2 58. f5 Bg5 59. Be2 Kf7 60. Bc4+ Kg7 61. Ke6 Bf6 62. Kd7 Bg5 63. Kc7 Bf6 64. Kb6 Bd8+ 65. Kc6 Bf6 {Accuracy: White = 53%, Black = 64%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.7"]
[White "Xu, Yi"]
[Black "Nguyen, Van Huy"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2520"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,47,30,38,18,17,8,17,4,31,12,31,0,9,0,0,0,0,0,37,34,48,27,16,16,47,21,23,-10,0,0,15,0,0,-26,-6,-39]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Bb4+ {[%cal Bf8b4,Bb4a5,Ba5b6][%mdl 32]} 6. c3 {B12: Caro-Kann: Advance Variation} Ba5 7. O-O Nd7 {LiveBook: 45 Games} 8. Ne1 $146 {White is slightly better.} ({Predecessor:} 8. Nbd2 Bc7 9. Re1 h6 10. Nf1 c5 11. Ng3 Bg6 12. b4 c4 13. a4 Ne7 14. Nh4 {1-0 (27) Anand,V (2779)-Mamedyarov,S (2768) Doha 2016}) 8... Ne7 9. f4 Bb6 10. Be3 O-O 11. Nd2 f6 12. Ndf3 fxe5 13. fxe5 c5 14. Nd3 {[%cal Rd3c5]} cxd4 15. cxd4 Ng6 16. Rc1 Rc8 17. Rxc8 Qxc8 18. Qd2 Qd8 19. Nf2 {And now g4 would win.} h6 20. Bd3 Nh4 21. Nxh4 Qxh4 22. Bxf5 Rxf5 23. g3 Qe7 24. Nd3 {Precision: White = 13%, Black = 26%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.8"]
[White "Raghunandan, Kaumandur Srihari"]
[Black "Karthik Venkataraman"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2352"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,66,25,23,41,21,41,21,22,22,29,37,38,31,35,22,20,11,16,7,13,0,52,39,52,43,66,0,0,0,0,0,0,-361,-344,-466,-31,-27,-26,-18,-30,-561,-560,-558,-535,-553,-552,-550,-549,-512,-536,-627,-621,-628,-628,-595,-573]} 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. Be3 Be7 9. g5 b5 {The position is equal.} 10. a3 Bb7 11. h4 Nc6 12. f4 O-O 13. Rh3 Rc8 14. f5 Nxd4 15. Qxd4 {[#]} Nc5 $146 16. Rg3 {And now f6 would win.} exf5 (16... Re8 $11) 17. exf5 $14 {Strongly threatening f6.} Re8 18. O-O-O Bf8 19. Bg2 (19. g6 $14) 19... Bxg2 $11 20. Rxg2 Re4 $1 {[%cal Re4d4]} 21. Qd2 ({Don't play} 21. Nxe4 Nb3+ 22. Kb1 Nxd4 $17) 21... b4 $1 {[%cal Rb4c3]} 22. Bxc5 $4 {[%mdl 8192]} (22. Nxe4 $2 Nb3+ 23. Kb1 Nxd2+ 24. Rgxd2 bxa3 $19) (22. axb4 $11 Rxb4 23. Qd5) 22... bxc3 $19 23. Qd5 Re5 $2 (23... dxc5 $19 24. bxc3 Qxd5 25. Rxd5 Rxh4) 24. Qxe5 $1 $15 dxe5 25. Rxd8 Rxd8 26. Bxf8 $2 {[%mdl 8192] [#]} (26. b4 $1 $11 {and White is okay.}) 26... Rd1+ $1 $19 {[%mdl 576] Deflection. Black is clearly winning.} 27. Kxd1 cxb2 {[%mdl 4096] Endgame} 28. Kd2 {aiming for Rg1.} b1=Q 29. Bb4 Qf1 30. Re2 Qxf5 31. c4 Qf4+ {[%mdl 64] Double Attack} 32. Kd1 Qxc4 33. Rc2 Qg4+ {Accuracy: White = 38%, Black = 71%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.9"]
[White "Nguyen, Anh Khoi"]
[Black "Nandhidhaa, P V"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2484"]
[BlackElo "2240"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,128,15,0,18,16,27,31,63,57,87,43,69,56,48,41,37,34,36,33,71,32,45,40,93,43,102,61,69,47,167,71,87,68,68,67,70,77,73,69,75,75,72,68,72,83,119,67,67,67,67,67,67,67,79,68,92,58,82,72,94,68,50,25,32,0,14,11,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,0,0,-70,-70,-70,-59,-61,0,-62,0,-57,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. Rd1 Nbd7 10. b3 Ba6 11. a4 c5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} (11... Qc8 12. Na3 c5 13. cxd5 Nxd5 14. Nc4 Bb7 15. dxc5 Nxc5 16. Rac1 Nf6 17. b4 Nce4 18. Be1 Qe8 19. Ng5 Nxg5 20. Bxb7 {1-0 (35) Matlakov,M (2704)-Zhou,J (2624) Qinhuangdao 2018}) 12. cxd5 exd5 13. Nc3 Rc8 {White is slightly better.} 14. Nb5 $146 ({Predecessor:} 14. Qb2 Nb8 15. Be3 Nc6 16. h3 Nb4 17. Rac1 Qd7 18. g4 h6 19. Nh2 {1-0 (47) Tarasov,A (2309)-Dimitrova,A (2126) Voronezh 2015}) 14... cxd4 15. Qf5 g6 16. Qb1 Nc5 17. Bh3 Ne6 18. Nfxd4 Nxd4 19. Nxd4 Rc7 20. Bf4 Bd6 21. Bg5 Qe7 (21... Be5 $14) 22. Ra2 Kg7 (22... Rc5 $14) 23. Rc2 Rxc2 24. Qxc2 h6 ({Black should try} 24... Re8 $14) 25. Bc1 (25. Nc6 $18 {and the rest is easy.} Qc7 26. Bxf6+ Kxf6 27. b4 (27. Rxd5 Kg7 $16)) 25... Ba3 26. Bxa3 Qxa3 27. Qc3 Qd6 28. Rc1 Re8 29. e3 Re7 30. Bg2 Kh7 31. Qc6 Qxc6 32. Rxc6 Ne4 {[#]} 33. b4 ({Better is} 33. a5 $1 $16) 33... Bb7 $14 34. Rc2 Kg7 35. h4 h5 36. Bf1 a6 37. Bd3 Kf6 38. Kg2 Rd7 39. Kf3 Ke5 40. Ke2 Kd6 41. Nf3 Re7 42. Nd2 Nxd2 43. Kxd2 $11 {[%mdl 4096] Endgame KRB-KRB} Bc6 44. Ra2 a5 45. b5 Bd7 46. Rc2 Re8 47. Kc3 Kc5 48. Rd2 Be6 49. Bc2 Rc8 50. Bb3 Kd6+ 51. Kb2 Ke5 52. Rd4 Rc5 53. Bc2 Bf5 54. Bd1 Be6 55. Be2 Bf5 {[#] And now ...Rc2+ would win.} 56. Bd1 Be6 57. Bb3 Kf6 58. Rd3 Ke5 59. Rd2 Ke4 60. Bc2+ (60. Bd1 $11) 60... Kf3 $1 $15 61. Bd1+ Kg2 $1 62. Bb3 Kf3 (62... Rc8 $15) 63. Ba2 (63. Bd1+ $11 Kg2 64. Bc2) 63... Kg2 64. Bb3 Kf3 {Accuracy: White = 39%, Black = 55%.} (64... Rc7 $15) 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.10"]
[White "Miciano, John Marvin"]
[Black "Nguyen, Anh Dung"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2317"]
[BlackElo "2458"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,16,14,18,23,8,13,16,18,16,16,7,9,6,22,16,30,-4,-11,-14,-9,-9,0,-11,-8,-13,-1,-7,-7,-7,0,-18,-18,-18,-18,-18,-18,-33,-15,-26,-26,-60,-60,-60,-41,-59,-39,-79,-77,-69,-52,-97,-78,-95,-95,-95,-95,-93,0,-81,-91,-104,-103,-92,-85,-138,-138,-139,-137,-143,-128,-139,-137,-160,-154,-155,-154,-702,-702]} 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bf5 5. Nh4 (5. Nc3 a6 6. Bd3 Bxd3 7. Qxd3 e6 8. e4 dxe4 9. Nxe4 Nxe4 10. Qxe4 Bb4+ 11. Kf1 Be7 12. g3 Nd7 13. Kg2 O-O {½-½ (39) Vidit,S (2695)-Andreikin,D (2725) chess.com INT 2019}) 5... Bxb1 6. Rxb1 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} e6 7. Bd2 Ne4 8. Nf3 {The position is equal.} Nd7 9. Bd3 Bd6 10. Qb3 $146 ({Predecessor:} 10. O-O O-O 11. Be1 Re8 12. Qb3 Rb8 {½-½ (29) Moiseev,S (2429)-Baciak,M (2202) ICCF email 2015}) 10... Nxd2 11. Nxd2 Rb8 12. O-O O-O 13. e4 {[%cal Rc4d5]} dxe4 14. Bxe4 e5 15. dxe5 Nxe5 16. Nf3 Qf6 {[#] Threatens to win with ...Qf4.} 17. g3 g6 18. Kg2 Rfd8 19. Qc3 Kg7 20. Rbd1 Nxf3 21. Qxf6+ Kxf6 22. Bxf3 a5 23. b3 Bc5 24. Be4 Re8 25. Bd3 Rbd8 26. Kf3 Bb4 27. h4 Rd4 28. a4 Red8 29. Ke2 h5 30. Ke3 R8d6 31. Ke2 Ke7 32. Ke3 Bc5 {White must now prevent ...Rxd3+.} 33. Ke2 Bb4 34. Ke3 Kd8 35. Be2 Bd2+ 36. Kf3 Kc7 37. Rb1 ({Better is} 37. c5 R6d5 38. Bc4 Rxc5 39. Bxf7) 37... Kb6 $17 38. Rb2 Kc5 39. Rfb1 Bb4 40. Rc2 Rd2 41. Rbb2 {[#]} Bc3 $1 {[%mdl 512]} 42. Rxd2 (42. Rxc3 Rxb2) 42... Bxd2 43. Bd1 $2 (43. Kg2 $17) 43... Bc1 {[%mdl 64] Discovered Attack. Accuracy: White = 50%, Black = 64%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.11"]
[White "Xu, Minghui"]
[Black "Zhao, Yuanhe"]
[Result "1-0"]
[ECO "D82"]
[WhiteElo "2293"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,24,6,8,226,238,239,222,237,232,229,228,226]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 dxc4 8. Bxc4 Qxc5 $2 {[#] D82: Grünfeld: 4 Bf4} (8... O-O $11 {and Black is okay.}) (8... O-O 9. Nf3 Qxc5 10. Bb3 Nc6 11. O-O Qa5 12. h3 Bf5 13. Qe2 Ne4 14. Nd5 e5 15. Bh2 Be6 16. Rfd1 Rfd8 17. Qc4 Nf6 18. e4 Rac8 19. Ng5 Nd4 20. Ne7+ Kf8 21. Nxe6+ Kxe7 22. Nxd8 Rxc4 23. Bxc4 Nxe4 24. Nxf7 Qc5 25. Re1 Nf3+ 26. gxf3 Qxf2+ 27. Kh1 Qxf3+ 28. Kg1 Qf2+ {½-½ (28) Turov,M (2610)-Rakhmanov,A (2669) Finland 2018}) 9. Nb5 $1 $18 {White is clearly better.} Qb4+ 10. Kf1 {White wants to mate with Nc7+.} O-O {[#]} 11. a3 $1 {[%cal Ra3b4]} Qa5 ({Much worse is} 11... Qxb2 12. Rb1 $18) 12. b4 Qd8 {Predecessor:} 13. Qxd8 $146 Rxd8 14. Nc7 b5 15. Nxa8 bxc4 16. Bxb8 {½-½ (51) Bellahcene,B (2498)-Gahan,M (2249) Paris 2016} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.12"]
[White "Sukandar, Irine Kharisma"]
[Black "Cheparinov, Ivan"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2381"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,107,20,37,18,40,13,23,13,22,20,20,16,12,16,24,10,19,0,0,0,6,0,0,0,0,2,75,68,88,0,0,-8,32,7,11,0,-7,-30,47,68,138,-18,-11,-13,0,-8,-11,-83,-38,-19,-19,-70,-47,-190,-208,-164,-40,-76,-68,-75,-76,-76,-71,-55,0,0,0,-466,-406,-407,-412,-490,-475,-570,-141,-439,-406,-1877,-1842,-1825,165,-1666,-1645,-1474,-1454,-29975,-29975,-29975,-29976,-29974,-29970,-29991]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. g4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. g5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} b4 11. Nd5 (11. Ne2 Ng8 12. f4 h6 13. f5 Bc4 14. g6 fxg6 15. Ng3 Bxf1 16. Rxf1 Ngf6 17. fxg6 Qc7 {1-0 (34) Aronian,L (2767)-So,W (2780) Saint Louis 2018}) 11... Nxd5 12. exd5 {White has an edge.} Bf5 13. Bd3 Bxd3 14. Qxd3 Be7 15. h4 O-O 16. O-O-O a5 17. Nd2 f5 $146 ({Predecessor:} 17... a4) 18. f4 Qc7 19. Kb1 a4 20. Nc4 e4 21. Qe2 Rfc8 (21... b3 $11) 22. b3 $16 Nc5 23. Bxc5 (23. Bd4 $16) 23... Qxc5 $11 24. Qe3 Rab8 25. Qxc5 Rxc5 26. Rd4 g6 27. h5 Rbb5 (27... axb3 $11 28. axb3 Bf8) 28. bxa4 Rxd5 ({Better is} 28... Rb7 $14) 29. Rhd1 $2 (29. axb5 $16 Rxd4 30. b6) 29... Rxd4 30. Rxd4 {[%mdl 4096] Endgame KRB-KRN} Rc5 31. hxg6 hxg6 32. Kc1 (32. Ne3 $11) 32... Kf7 33. Nxd6+ Ke6 34. Nb5 (34. Nc4 $11) 34... Rc8 $15 {[%mdl 1024] Strongly threatening ...Bc5. Black has compensation.} 35. Kd1 (35. Rd2 $15) 35... Bc5 $19 36. Rd2 Rh8 (36... Be3 $19 37. Rd6+ Ke7 38. Rxg6 Rd8+ 39. Ke1 Bd2+ 40. Ke2 Bxf4 41. Rg7+ Kf8) 37. Nd4+ Kf7 {Hoping for ...Rh1+.} 38. Nc6 Be3 $1 {[%cal Re3f4]} 39. Rd7+ Ke6 40. Rg7 Bc5 (40... Rh1+ $15 41. Ke2 Bxf4 42. Rxg6+ Kd7 43. Nxb4 Rh2+ 44. Kf1 e3) 41. Rxg6+ $11 Kd5 42. Ne5 $2 {[%mdl 8192]} (42. Rf6 $11) 42... Rh1+ $19 43. Ke2 Rh2+ 44. Kd1 {[#]} e3 $1 45. Nd3 Bd4 $2 (45... Rd2+ $19 {and Black stays clearly on top.} 46. Ke1 Bd4 47. Nxb4+ Ke4) 46. Nxb4+ $2 {[%mdl 8192]} (46. Rh6 $17 {was the only chance.} Rg2 47. Rh1 (47. Nxb4+ Ke4 $11)) 46... Ke4 47. Nd3 (47. Re6+ $142 Kxf4 48. Nd3+ Kxg5 49. Re8) 47... Bc3 48. Rh6 e2+ 49. Kc1 {[#]} Rg2 $1 {[%cal Rg2g1] ( -> ...Rg1+)} 50. Rh1 Rg3 51. a5 Rf3 {Black mates.} 52. Re1 Rf1 {[%mdl 64] Pin} 53. a6 Bxe1 54. Nxe1 {Accuracy: White = 30%, Black = 52%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.13"]
[White "Hoang, Canh Huan"]
[Black "Demchenko, Anton"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2394"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,114,6,14,41,14,16,15,28,17,30,33,33,12,18,3,67,58,75,38,48,45,56,0,0,-25,57,0,0,0,0,1,0,0,-15,-25,0,-16,-4,-38,0,-23,-23,-31,-22,-8,-14,-47,-53,-45,-53,-56,-39,-36,-20,-55,-39,-47,-41,-35,-29,-37,-28,-37,-36,-29,0,-21,0,0,0,0,0,0,0,0,0,0,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-701,-427,-463,-455,-459,-458,-375,-267,-1139,-956,-932,-782,-29990,-29991]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 a6 6. Bf1 b6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (6... d5 7. exd5 Nxd5 8. d4 Nf6 9. Be3 Nd5 10. Bg5 f6 11. Bc1 cxd4 12. Nxd4 Nxd4 13. Qxd4 Bd6 14. g3 O-O 15. Bg2 Qc7 16. c3 Bc5 17. Qd3 {½-½ (70) Vidit,S (2711)-Lenic,L (2656) chess.com INT 2018}) 7. c3 Bb7 $146 ({Predecessor:} 7... d5 8. exd5 Nxd5 9. d4 cxd4 10. Nxd4 Bb7 11. Rxe6+ fxe6 12. Nxe6 Qe7 13. Qh5+ Qf7 14. Qe2 Kd7 15. Ng5 Qf5 16. c4 Nf4 17. Bxf4 Qxf4 18. Nc3 Nd4 19. Rd1 Bd6 {0-1 (19) Klima,L (2319)-Havelka,J (2320) Czech Republic 2018}) 8. d4 cxd4 {The position is equal.} 9. cxd4 d5 10. Nc3 dxe4 11. Rxe4 {Black should prevent d5.} Nd5 12. Rg4 f6 ({Better is} 12... Rc8 $11) 13. Bd3 Nce7 14. Qe2 Qd7 15. Bd2 Kf7 16. Ne4 (16. Re1 $14) 16... h5 $1 $11 {[%cal Rh5g4]} 17. Rh4 Kg8 ({Black should play} 17... Nf5 $11) 18. Ng3 (18. Rh3 $14) 18... g6 19. Re1 Nf5 20. Rh3 {aiming for Nxf5.} Kf7 $1 21. Ne4 $1 {[%cal Re4f6]} Bg7 22. a3 Rhe8 23. Bb1 Kg8 24. Qd3 Qb5 25. Qc2 Rac8 26. Nc3 Nxc3 27. Bxc3 Bd5 28. Nh4 Nxh4 29. Rxh4 f5 30. Qd2 Kf7 31. Bd3 Qa4 32. Bf1 Ra8 33. Rh3 Qd7 34. Rg3 Rg8 35. Be2 h4 36. Rh3 Bf6 37. Bf3 g5 38. Bxd5 Qxd5 39. Rhe3 Rae8 40. Qe2 g4 41. Qxa6 h3 {[%csl Gh3][%cal Rd5g2]} 42. Qf1 $1 Rg6 43. g3 Bg7 44. Rd1 Kg8 45. Rde1 Rf8 46. Bb4 Rf7 {Hoping for ...f4.} 47. Bc3 f4 48. Re4 fxg3 49. hxg3 Rgf6 $36 {[%mdl 2048] Black is more active.} 50. f4 gxf3 {( -> ...f2+)} 51. Kf2 $2 {[%mdl 8192]} (51. Qf2 $11) 51... Rh6 {And now ...h2 would win.} 52. Qd3 h2 53. Rh1 {[#]} Qf5 $1 54. d5 e5 55. Bb4 $2 (55. a4) 55... Rh3 $19 {White must now prevent ...Qg5.} 56. Bd2 {[#]} Rxg3 $1 {[%mdl 512]} 57. d6 (57. Kxg3 Qg6+) 57... Rg2+ {Accuracy: White = 42%, Black = 63%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.14"]
[White "Setyaki, Azarya Jodi"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2378"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,145,13,27,0,38,-34,-35,-29,-33,-58,-64,-63,-66,-73,-68,-456,-467,-418,-204,-372,-376,-364,-194,-194,-194,-194,-185,-172,-162,-214,-207,-195,-202,-210,-213,-213,-193,-206,-202,-214,-216,-230,-222,-219,-209,-197,-195,-187,-177,-182,-185,-176,-159,-154,-165,-175,-161,-131,-13,-187,-187,-187,-187,-187,-187,-187,-187,-187,-187,-187,-187,-171,-8,0,0,-35,-36,-36,-26,-194,-192,-586,-586,-570,-543,-1745,-1747,-1512,-1211,-741,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. g4 Be7 10. Qd2 b5 11. O-O-O Nb6 12. g5 Nh5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 13. Nd5 Nxd5 14. exd5 Bd7 15. Na5 Qc7 16. Rg1 O-O {LiveBook: 5 Games} 17. Bd3 Kh8 $146 ({Predecessor:} 17... g6 18. Kb1 Bd8 {1-0 (71) Fier,A (2570)-Warmerdam,M (2424) Rio Achaea 2018}) 18. Nc6 (18. Kb1 $14) 18... Bxc6 $15 19. dxc6 d5 $1 {[%cal Bd6d5,Bd5d4][%mdl 32]} (19... Qxc6 $6 20. Be4 $16) 20. Bf5 d4 21. Bf2 Qxc6 22. Be4 Qe6 $1 {[%cal Re6a2]} 23. Bxa8 $4 {[%mdl 8192]} (23. Kb1 $1 $15) 23... Qxa2 $19 {[%cal Ra2a1]} ({And not} 23... Rxa8 24. Kb1 $14) 24. c3 Rxa8 (24... Nf4 $142 25. Qc2 dxc3 26. bxc3 Ne2+ 27. Kd2 Rd8+ 28. Bd4 Rxd4+ 29. cxd4 Bb4+ 30. Kxe2 Qxc2+ 31. Ke3 exd4+ 32. Kf4 Bd6+ 33. Kg4 Qc8+ 34. Kh4 Qxa8) 25. Bxd4 $2 (25. b4 {is the only way for White.} Qc4 26. Kb2) 25... exd4 26. Qxd4 {[#]} Rc8 (26... b4 $142 $1 27. Qd5 (27. cxb4 Rc8+) 27... Qxd5 28. Rxd5 Nf4) 27. Rde1 Bf8 28. Qd7 Rb8 29. Qc7 Ra8 {Threatens to win with ...b4.} 30. Qb7 (30. Qc6 {was necessary.} Qa1+ 31. Kc2 Qa4+ 32. Kb1) 30... Rd8 {And now ...Nf4 would win.} 31. Qc7 Qa1+ $1 32. Kc2 Qa4+ 33. Kc1 Qf4+ 34. Qxf4 Nxf4 35. Re4 Ne6 36. Kc2 g6 37. h4 h6 38. gxh6 Kh7 39. Rd1 Rxd1 ({Don't play} 39... Bxh6 40. Rxd8 Nxd8 41. Re8 $15) 40. Kxd1 Kxh6 41. Re5 Be7 42. Rd5 Bxh4 43. Rd6 Nc5 44. b4 Nb7 ({Black should try} 44... Na4 $17 45. Kc2 Bf2 46. Rxa6 Nb6) 45. Rxa6 $2 (45. Rb6 $11 Nd8 46. Rxa6) 45... Bg3 $1 46. Rc6 Nd6 47. Ke2 Be5 48. Rc5 f6 49. c4 bxc4 {[%cal Bb5c4,Bc4c3][%mdl 32]} 50. b5 c3 51. b6 Kg5 $2 (51... Nb7 $1 $19 {[%cal Rb7c5]} 52. Rd5 g5) 52. Rc7 $1 $11 Nb5 53. Rc5 Nd4+ 54. Kd3 $1 Ne6 55. Rc6 $2 {[#]} (55. Rc8 $11 {and White stays safe.}) 55... Nd8 $1 $19 {[%cal Rd8c6]} 56. Rc7 $2 {[#]} (56. Rc4 {nothing else works.}) 56... Kf4 $1 57. Ke2 g5 58. Rd7 Ne6 59. b7 Nc5 60. Rd4+ Kf5 $2 {[#]} (60... Kg3 $19 61. Rg4+ Kh2) 61. b8=Q $1 $11 {[%mdl 512] The position is equal.} Bxb8 62. Rd5+ Be5 63. Rxc5 {[%mdl 4096] Endgame KR-KB} Ke6 64. Kd3 f5 65. Rc6+ Kf7 66. Rc5 Ke6 67. Rc6+ Ke7 68. Rc4 Kd6 69. Ra4 Bf6 70. Rc4 Ke6 71. Ra4 Kf7 72. Rc4 Kg6 73. Ra4 {Precision: White = 51%, Black = 64%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.15"]
[White "Tran, Tuan Minh"]
[Black "Pham, Le Thao Nguyen"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2556"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,39,38,18,29,4,0,0,8,0,27,29,19,25,58,44,44,47,60,73,110,82,90,93,100,107,131,131,138,106,131,99,120,41,80,82,389,408,410,405,504,495,494,495,474,474,615,614,612,607,591,573,512,428,598,593,770,769,751,716,962,937,5630,1430,5467,5622,3299,2711,2451,2269,5318,2548,2358,1866,1618,1617,29983,875,29982,29968]} 1. c4 c6 2. Nf3 d5 3. e3 Bf5 (3... Nf6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. Be2 Nbd7 8. Rc1 a6 9. d4 Re8 10. O-O e5 11. dxe5 Nxe5 12. cxd5 c5 13. Nxe5 Bxe5 14. Bf3 Qd6 15. h3 b5 {1-0 (31) Nepomniachtchi,I (2763)-Saric,I (2695) St Petersburg 2018}) 4. Qb3 Qc7 5. cxd5 cxd5 6. Nc3 {A11: English Opening: 1...c6} e6 7. g4 $146 ({Predecessor:} 7. Nb5 Qc8 8. Nbd4 Ne7 9. Qa4+ Nd7 10. b4 f6 11. Bb2 {½-½ (39) Beliavsky,A (2603)-Van Foreest,J (2578) Teplice 2016}) 7... Bg6 $1 8. h4 {The position is equal.} f6 9. d4 Nc6 {...Nb4 is the strong threat.} 10. h5 Bf7 11. Bd2 $36 {[%mdl 2048] Black is under pressure.} a6 12. Rc1 Bd6 13. Bd3 Nge7 14. g5 {Black must now prevent h6.} f5 15. Ne2 Qd7 16. Kf1 Rc8 17. Kg2 e5 18. dxe5 Nxe5 19. Rxc8+ Qxc8 20. Nxe5 Bxe5 21. Qb4 ({White should play} 21. Rc1 $16 Qd7 22. f4) 21... Nc6 22. Qc5 f4 $2 {[%mdl 8192]} (22... Qd7 $16 {is more resistant.}) 23. exf4 $18 Bd4 24. Qd6 ({And not} 24. Nxd4 Qg4+ 25. Kf1 (25. Kh2 Qh4+ {[%mdl 64] Double Attack} 26. Kg2 Qg4+ 27. Kh2 Qh4+ {[%mdl 64] Double Attack} 28. Kg1 Qg4+ 29. Kh2 $11) 25... Qd1+ 26. Kg2 Qg4+ 27. Kh2 Qh4+ 28. Kg2 Qg4+ $11) 24... Qe6 25. Qxe6+ Bxe6 26. Nxd4 Nxd4 27. h6 Bf5 28. hxg7 Rg8 29. Bc3 Bxd3 30. Bxd4 {[%mdl 4096] Endgame KRB-KRB} Kf7 31. Rc1 Kg6 32. Rc7 h6 33. gxh6 Kxh6 34. Rxb7 Kh5 35. Kg3 Rc8 36. b3 Bh7 37. f3 Bg8 38. a3 Re8 39. Kf2 Ra8 40. Rc7 a5 41. Rb7 Kg6 42. Rb6+ Kf7 43. f5 (43. Rf6+ $142 Ke7 {[#]} 44. Rf8 $1 {[%mdl 512]} Re8 45. f5 $1 {[%mdl 512]} Kd8 46. f6 Be6 47. f7 Bxf7 48. Rxf7) 43... Ke7 44. Kg3 {Accuracy: White = 64%, Black = 22%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.16"]
[White "Vo, Thanh Ninh"]
[Black "Mendonca, Leon Luke"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2358"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,167,21,22,30,30,31,28,32,27,0,8,-25,-22,-22,-23,-54,-50,-59,-41,-37,-41,-40,-40,-40,-40,-39,-42,-48,-37,-39,-42,-37,-52,-68,-62,-72,-55,-50,-51,-50,-60,-98,-103,-103,-92,-108,-108,-108,-101,-101,-101,-108,-112,-107,-100,-127,-127,-141,-126,-154,-147,-147,-139,-149,-149,-153,-139,-149,-145,-154,-154,-154,-154,-154,-154,-153,-152,-154,-152,-154,-154,-152,-154,-177,-150,-162,-145,-154,-154,-154,-143,-154,-154,-153,-147,-152,-153,-194,-191,-160,-116,-116,-116,-120,-120,-120,-27,-116,-95,-106,-95,-95,-95,-95,-69,-69,-69,-69,-69,-95,-61,-110,-110,-110,-110,-110,0,0,0,-110,-110,-110,-110,-110,-110,-110,-110,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162]} 1. g3 g6 2. Bg2 Bg7 3. c4 Nf6 4. Nc3 O-O 5. d3 c5 6. e4 Nc6 7. Nge2 Ne8 8. Be3 Nd4 9. O-O Nc7 10. Rb1 d6 11. b4 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} Rb8 (11... Nce6 12. bxc5 dxc5 13. f4 Nxe2+ 14. Nxe2 b6 15. e5 Rb8 16. g4 Bb7 17. Bxb7 Rxb7 18. f5 Nc7 {1-0 (58) Vachier Lagrave,M (2789)-Zhao,J (2604) Riadh 2017}) 12. Qd2 Bg4 13. f3 {White has an edge.} Bd7 {[#]} 14. Bf2 $146 (14. a4 {feels hotter.} b6 15. f4 a6 16. b5 e6 17. Qd1) ({Predecessor:} 14. f4 b5 15. bxc5 dxc5 16. e5 Bg4 17. Bxd4 Bxe2 18. Nxe2 cxd4 19. Qa5 a6 20. cxb5 Nxb5 21. Qxa6 Nc3 22. Nxc3 dxc3 23. Qc4 {½-½ (23) Solak,D (2582)-Sundararajan,K (2491) Dubai 2005}) 14... b5 15. cxb5 Ncxb5 16. Nxb5 Bxb5 17. Nxd4 cxd4 18. Rfc1 Qb6 19. Ra1 Ba4 20. Rc4 Rfc8 {[#] ...Rxc4 is the strong threat.} 21. Rac1 Rxc4 22. Rxc4 Bb5 23. Rc2 Qa6 24. Bf1 Rc8 25. Rxc8+ Qxc8 26. Be1 Qc3 27. Qd1 Qb2 28. a4 Bd7 29. Bd2 h5 30. b5 Qa2 31. Bg5 Bf6 32. Bd2 Be6 33. a5 Qb2 34. b6 axb6 35. axb6 Qxb6 36. Qc1 Qb5 37. Be2 d5 38. exd5 Qxd5 39. h4 Qe5 40. Kf2 Qb5 41. Bf4 Bf5 42. Qd2 Kh7 43. Qc2 Kg7 44. Kg2 Be6 45. Qc1 Qf5 46. Kf2 Bd7 47. Bh6+ Kh7 {Hoping for ...Qh3.} 48. Bd2 Bc8 49. Qa1 Bb7 50. Qa7 Bc6 51. Qa1 Kg7 52. Qc1 Bb7 53. Bh6+ Kh7 54. Bd2 Qh3 55. Qf1 Qd7 56. Qc1 Qf5 57. Qb1 Bd5 58. Qb5 Be5 {And now ...Qh3 would win.} 59. f4 e6 {Threatens to win with ...Qh3.} 60. Bf3 Bxf3 61. Kxf3 Qg4+ 62. Kf2 Bf6 (62... Qd1 $17 63. Qxe5 Qxd2+ {[%mdl 64] Double Attack} 64. Qe2 Qxe2+ 65. Kxe2 Kg7) 63. Qb1 (63. Qe8 $11) 63... e5 64. Qh1 Kg7 65. Qf3 Qh3 66. Qe4 Qh2+ (66... Qe6 {looks sharper.} 67. Ke2 Qg4+ 68. Kf2 Qd1 69. Qe2 Qxe2+ 70. Kxe2 exf4 71. Bxf4 Kf8) 67. Qg2 Qxg2+ 68. Kxg2 $15 {[%mdl 4096] Endgame KB-KB} Kf8 69. Kf3 Ke7 70. Ke4 Ke6 71. fxe5 Bxe5 72. Be1 Kd6 73. Bb4+ $1 Ke6 74. Be1 $1 f6 75. Bf2 f5+ 76. Kf3 Kd5 77. Be1 Kc5 78. Bd2 (78. Ke2 $17 {was worth a try.}) 78... Kb5 $19 {Black is clearly better.} 79. Be1 {[#]} Ka4 $1 80. Ke2 Kb3 81. Kd1 Bd6 82. Ke2 Kc2 83. Bf2 Be5 84. Be1 {Accuracy: White = 53%, Black = 70%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.17"]
[White "Wang, Shixu B"]
[Black "Chen, Qi B"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2362"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,58,23,14,16,0,20,22,10,11,15,15,22,16,16,0,6,0,12,0,-2,0,0,-12,0,-9,0,0,0,0,54,62,64,57,66,79,62,54,41,47,88,79,166,166,170,91,91,103,101]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 h6 {D35: Queen's Gambit Declined: Exchange Variation} (7... Be7 8. Bd3 O-O 9. Qc2 Re8 10. O-O Nf8 11. h3 g6 12. Bf4 Ne6 13. Bh2 Ng7 14. Qb3 Qb6 15. Nd2 Bf5 16. Be2 h5 17. Rfc1 Ne6 18. a3 h4 19. Na4 Qxb3 20. Nxb3 a5 21. Nd2 {½-½ (36) Wang,H (2722)-Naiditsch,A (2721) Douglas 2018}) 8. Bf4 g5 9. Bg3 Nh5 {The position is equal.} 10. Bd3 Nxg3 11. hxg3 Bg7 12. Qc2 Nb6 13. a4 a5 14. Rd1 $146 ({Predecessor:} 14. Ne5) 14... Qe7 15. O-O O-O 16. Rfe1 f5 17. Na2 {[%cal Bc3a2,Ba2c1,Bc1b3,Bb3c5][%mdl 32]} Be6 18. Nc1 Nc8 19. Ne5 Qc7 20. Nb3 $36 {[%mdl 2048] Strongly threatening Nc5. White is pushing.} Bxe5 ({Black should play} 20... Ne7 $11) 21. Nc5 $14 Qf7 {Hoping for ...Bb8.} 22. dxe5 b6 $1 {[%cal Rb6c5]} 23. Nxe6 Qxe6 24. f4 Ne7 25. Kf2 Kg7 26. Rh1 g4 {[#]} (26... Rad8 $16) 27. Rh5 $1 $18 Rf7 {[#]} 28. Rdh1 (28. Qb3 $1 $18) 28... Rh8 $16 29. Qb3 c5 {Accuracy: White = 71%, Black = 70%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.18"]
[White "Mithil, Ajgaonkar"]
[Black "Li, Yankai"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2332"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,147,6,18,0,10,-8,0,0,9,-13,0,-27,-17,-18,-6,-24,-24,-24,-26,-33,-27,-33,-16,-25,-16,-20,-6,-20,-9,-13,-9,-15,-15,-16,-15,-15,-15,-43,-23,-39,-29,-20,-21,-34,-10,-18,-15,-22,-14,-20,-20,-25,-24,-54,-54,-54,-54,-55,-55,-70,-34,-34,-34,-53,-20,-45,-20,-20,-13,-31,-20,-21,-21,-32,-16,-95,-95,-105,-85,-95,-85,-95,-85,-95,-85,-86,-85,-85,-85,-95,-19,-85,-85,-85,-85,-85,0,-95,-95,-112,-61,-120,-66,-120,-61,-120,-31,-120,-61,-112,-112,-112,-112,-112,-112,-112,-112,-112,0,-112,-95,-95]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 Bg7 7. O-O O-O 8. Ne5 Ne4 9. Nd2 Nf6 10. Nb1 e6 11. Nc3 Nfd7 12. f4 Nc6 13. Be3 Nb6 14. b3 Bd7 15. Kh1 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5)} Qe7 {[#]} 16. Rc1 $146 ({Predecessor:} 16. Bf2 Rfc8 17. Rc1 Be8 18. e3 Rc7 19. Nd3 Nb4 20. Nc5 Na6 21. Nxa6 bxa6 {½-½ (85) Romanishin,O (2590)-Eriksson,M (2365) Malmo 1993}) 16... Rac8 17. Qd2 {The position is equal.} Rfd8 18. Nd1 Be8 19. Nf2 f6 20. Ned3 Nd7 21. Nc5 Nxc5 22. Rxc5 b6 23. Rcc1 Qa3 24. Nd3 a5 25. Rc2 Qd6 26. Rfc1 Ne7 27. Bf2 Rxc2 28. Rxc2 Rc8 29. Rxc8 Nxc8 30. Qc2 Qc6 31. Qxc6 Bxc6 32. Kg1 Bf8 33. Kf1 Nd6 34. Ke1 Ne4 35. Be3 h5 36. Bd2 Kf7 37. Nf2 Nd6 38. Bc3 Nb5 39. Kd2 {[#]} e5 $1 {[%mdl 512]} 40. e3 (40. dxe5 Nxc3) 40... Nxc3 41. Kxc3 $15 {[%mdl 4096] Endgame KBB-KBN} e4 42. Bf1 b5 43. Kc2 Bd6 44. Nd1 b4 45. Be2 Kg7 46. Nf2 Kh6 47. Kd2 Bd7 48. Ke1 g5 49. Kd2 Kg6 50. Ke1 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 51. Kd2 (51. bxa4 $11 {keeps the balance.} Bxa4 52. Bd1) 51... a3 $17 52. Ke1 h4 53. Kd2 Bc7 54. Kd1 Bc6 55. Kd2 Bb6 56. Kc2 Be8 57. Kd2 Bc7 58. Kc2 Kh6 (58... f5 $17) 59. Ng4+ (59. Bg4 $11 {remains equal.}) 59... Kg7 60. Nf2 Kg6 61. Kd2 Bd7 (61... Bd6 $17) 62. Kc2 (62. Kd1 $1 $11) 62... f5 63. Kd2 g4 (63... hxg3 $17 64. hxg3 g4) 64. Ke1 (64. gxh4 $15 Bd8 65. h5+ Kxh5 66. Ba6) 64... Kh5 (64... h3 $17 65. Kd1 Kf6) 65. Nh1 ({White should play} 65. gxh4 $15 Ba4 66. Bd1 (66. bxa4 $2 b3 $19)) 65... Bd8 (65... h3 $1 $17 66. Nf2 Kh6) 66. Kd2 (66. gxh4 $1 $15 Bxh4+ 67. Ng3+ Kh6 68. Kf1) 66... Be8 (66... h3 $1 $17 67. Ba6 Kg6) 67. Ke1 {[#]} (67. gxh4 $15 Bxh4 68. Ng3+ Kg6 69. Ba6) 67... hxg3 (67... Ba4 $1 $17 {[%mdl 512]} 68. Bd1 (68. bxa4 $2 b3 $19) 68... Bd7) 68. hxg3 {[#]} ({Better is} 68. Nxg3+ $15 Kg6 69. Bd1) 68... Ba4 $1 {[%mdl 512] White must now prevent ...Bxb3!} 69. Bd1 ({Don't blunder} 69. bxa4 $2 {[#]} b3 $1 $19 {[%mdl 512]}) 69... Bb5 70. Be2 {[#]} Bc4 $1 {[%mdl 512] Strongly threatening ...Bxb3!} 71. Bd1 (71. bxc4 b3) 71... Bd3 72. Be2 Bc4 {Hoping for ...Bxb3!} 73. Bd1 $1 Ba6 74. Be2 {Accuracy: White = 35%, Black = 33%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.19"]
[White "Laxman, R.R."]
[Black "Quizon, Daniel"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2425"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,128,0,0,19,23,62,57,58,60,60,53,63,66,75,77,75,67,78,58,68,69,99,95,74,93,90,74,106,93,99,93,92,89,110,111,116,64,111,110,109,93,103,95,102,16,97,101,105,71,73,61,62,80,75,73,62,45,59,45,69,58,89,74,117,110,175,164,168,193,146,0,0,0,0,0,0,-147,-147,-173,-163,-244,-260,-251,-250,-324,-324,-409,-384,-556,-564,-461,-329,-312,-326,-679,-644,-720,-659,-757,-762,-702,-685,-1570,-1502,-2301,-1736,-2055,-1504]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 O-O 5. Bg2 d6 6. O-O c5 7. b3 Nc6 8. Bb2 Ne4 9. e3 Bg4 10. Qc2 Bf5 (10... Bxf3 11. Bxf3 Ng5 12. Bxc6 bxc6 13. dxc5 Bxb2 14. Qxb2 dxc5 15. Nc3 Qd3 16. Rad1 Qf5 17. Qe2 Rad8 18. h4 Ne4 19. Nxe4 Qxe4 20. Rxd8 Rxd8 21. Rd1 {½-½ (21) Tomashevsky,E (2710)-Yuffa,D (2527) Sochi 2017}) 11. Qe2 Bg4 12. Qc2 Bf5 {[#] And now ...Nxg3! would win. E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} 13. Qc1 cxd4 14. Nxd4 Nxd4 {White is slightly better.} 15. Bxd4 $146 ({Predecessor:} 15. exd4 d5 16. cxd5 Rc8 17. Qe3 Rc2 18. Bxe4 Bxe4 19. Qxe4 Rxb2 20. Na3 {½-½ (60) Collins,S (2452)-Poghosyan,S (2251) Dublin 2018}) 15... e5 16. Bb2 $1 {Black must now prevent g4!} Nc5 17. Qd2 Qb6 18. Nc3 Be6 19. Rfd1 Rfd8 20. Rac1 a5 21. Ba3 Rac8 22. Nd5 Bxd5 23. Qxd5 Rb8 24. h4 Bf6 25. h5 Qc7 26. Qf3 Qe7 27. Qg4 b6 28. Bd5 {Threatens to win with hxg6.} Kg7 29. e4 (29. Kg2 $16) 29... Rf8 30. Rc3 h6 31. Kg2 Bg5 32. Rf3 Rbd8 33. Bc6 (33. Bb2 $16) 33... Ne6 (33... Qc7 $11 {keeps the balance.} 34. Bd5 Qc8 35. Qxc8 Rxc8) 34. Bb2 $16 Nc5 35. hxg6 fxg6 36. Rxf8 Rxf8 37. f4 Bf6 38. f5 $36 {[%mdl 2048] White is in control.} Bg5 39. Qf3 Qf6 40. Rf1 Qe7 41. Bd5 Rf6 42. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Qc7 43. b4 axb4 (43... Nd7 $16 {is a better defense.} 44. Qd3 gxf5) 44. axb4 $18 Nd7 45. Ra1 Rf8 46. Qa3 (46. Ra6 $16 {Hoping for Qa3.} Kh8 47. Qa3 gxf5 48. exf5) 46... Nf6 $11 47. Qd3 gxf5 48. exf5 Nxd5 49. cxd5 (49. Qxd5 $11 {was the only way to keep the balance.} Rxf5 50. Bd4) 49... Rc8 $17 50. Kf3 Qc2 51. Ra7+ (51. Qxc2 $142 Rxc2 52. Ra2) 51... Kf6 $19 52. Qxc2 Rxc2 {[%mdl 4096] Endgame KRB-KRB} 53. Ba1 h5 ({Inferior is} 53... Kxf5 54. g4+ Kf6 55. Rd7 $11) 54. Ke4 Rc1 55. Bb2 (55. Ra8 $142) 55... Rc4+ 56. Kd3 Rxb4 57. Bc3 Rg4 58. Rd7 $2 {[#]} (58. Be1) 58... Rxg3+ {Black is clearly winning.} 59. Kc4 Kxf5 60. Bb4 Rg4+ 61. Kb5 Rd4 62. Bxd6 Rxd5+ 63. Kxb6 Ke6 64. Kc7 Rd2 {Accuracy: White = 49%, Black = 60%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.20"]
[White "Navalgund, Niranjan"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2378"]
[BlackElo "2584"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,154,42,18,10,10,50,52,54,44,45,40,97,75,99,91,109,95,126,47,84,30,35,19,13,0,11,0,-3,-204,-206,-196,-179,-202,-200,-182,-75,-76,-64,-179,-174,-220,-230,-500,-500,-499,-499,-471,-459,-2567,-2247,-5285,-5273,-1449,-239,-224,-109,-109,-123,-179,-178,-195,-153,-197,-148,-148,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-292,-276,-271,-238,-689,-831,-29972,-382,-354,-261,-762,-728,-721,-721,-474,-354,-29978,-29979,-29978,-29980,-29979,-29980,-29984,-29985,-29994,-29995,-29996,-29996,-29996,-29997,-29997,-29998]} 1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 Nc6 5. Nf3 Nb4 6. Nc3 Nxd3+ {A40: Unusual replies to 1 d4} 7. Qxd3 g6 $146 ({Predecessor:} 7... Ne7 8. d5 h6 9. Be3 d6 10. O-O-O Qd7 11. Kb1 Ng6 12. h4 Be7 13. dxe6 fxe6 14. e5 {1-0 (32) Khismatullin,D (2647)-Savchenko,B (2571) Khanty-Mansiysk 2012}) 8. Bg5 f6 {White is slightly better.} 9. Bd2 Bg7 10. h4 h6 ({Better is} 10... Nh6 $14) 11. e5 f5 12. d5 a6 13. O-O-O b5 14. cxb5 (14. Qe2 $16) 14... Ne7 $14 {[%cal Re7d5]} 15. dxe6 (15. bxa6 $16 Bxa6 16. Qc2) 15... dxe6 $11 16. Qc4 Qc8 17. h5 {Black should prevent Nd4.} g5 18. Be3 Kf7 19. Bxg5 $2 (19. bxa6 $11 Bxa6 20. Qd4) 19... Bxf3 $1 $19 20. Bxe7 Bxd1 21. Bf6 Bxf6 22. exf6 Rd8 ({Inferior is} 22... Kxf6 23. Rxd1 axb5 24. Qf4 $11) (22... Bg4 $19 23. f3 Bxh5 $1 {[%mdl 512]} 24. Rxh5 axb5 25. Nxb5 Qd7) 23. Qf4 $17 Rd6 $1 24. b6 ({White should try} 24. bxa6 $15 Qh8 25. Qc4 Raxa6 26. Qxc7+ Kxf6 27. Rxd1) 24... Qg8 $1 $19 25. Qc4 Kxf6 26. Qxc7 $2 (26. b7 Rad8 27. Rxd1) 26... Rad8 27. b7 Qg5+ {[%mdl 64] Double Attack} 28. Kb1 Qxg2 {[%mdl 64] Double Attack} 29. Rxd1 (29. b8=Q $142 Rxb8 30. Qxd6 Qxh1 31. Nxd1) 29... Rxd1+ 30. Nxd1 Rxd1+ 31. Kc2 Qf3 $2 (31... Rd4 32. b3 Qxf2+ 33. Kc1 Qd2+ 34. Kb1 Re4) 32. Qc4 Qxf2+ ({Resist} 32... Qxb7 33. Kxd1 Qxb2 34. f4 $17) (32... Rd6 $1 $19 {and Black stays clearly on top.} 33. b8=Q Qxf2+ 34. Kb3 Rb6+ 35. Qxb6 Qxb6+ 36. Kc2 Kg5) 33. Kxd1 {[%mdl 4096] Endgame KQ-KQ} Qf3+ 34. Kc2 (34. Ke1 $17 Qxb7 35. Qd4+ Kf7 36. a4) 34... Qxb7 35. Qd4+ Kf7 36. Qe3 Qc8+ 37. Kb1 Qh8 (37... Qd7 $17 {Hoping for ...Qd1+.} 38. a3 Qd1+ {[%mdl 64] Double Attack} 39. Ka2 Qxh5 40. Qa7+ Kf6 41. Qd4+ Kg6) 38. Qa7+ $11 {[%mdl 64] Double Attack} Kf6 {White must now prevent ...Qe8.} 39. Qd4+ e5 40. Qh4+ Ke6 {aiming for ...Qc8.} 41. Qc4+ Ke7 42. Qb4+ Kf7 43. Qc4+ Kf6 44. Qh4+ Ke6 45. Qc4+ Kd6 46. Qxa6+ Kc5 47. Qa7+ Kd5 48. Qb7+ Kd4 49. Qb4+ Ke3 50. Qe1+ Kf3 51. Qd1+ Kf4 52. a4 Qa8 53. Qd2+ Kf3 {And now ...Qe4+ would win.} 54. Qc3+ Ke4 55. Qc2+ Kf4 56. Qd2+ Kf3 57. Qc3+ Kg4 58. Qxe5 f4 59. Qe6+ Kg3 60. Qg6+ Kf2 61. Qxh6 Qe4+ 62. Kc1 $2 {[%mdl 8192] [#]} (62. Ka1 $11) 62... f3 $1 $19 {Threatens to win with ...Qe3+.} 63. Qd2+ Kg1 64. Qg5+ $2 {[#]} (64. Qd1+ Kg2 65. h6) 64... Kh1 $1 65. Qg3 Qe3+ $2 (65... Qf5 {mates} 66. Qf2 Qg5+ 67. Kc2 Qg2 68. Qxg2+ fxg2 69. b4 g1=Q 70. Kc3 Qe3+ 71. Kc4 Qe2+ 72. Kc5 Qxh5+ 73. Kb6 Qh6+ 74. Kb7 Qg7+ 75. Kc6 Qd4 76. Kb5 Kg2 77. a5 Kf3 78. a6 Ke4 79. Kc6 Qc4+ {[%mdl 64] Double Attack} 80. Kd6 Qxb4+ 81. Kc7 Qa5+ 82. Kc6 Qxa6+ 83. Kc5 Ke5 84. Kb4 Kd4 85. Kb3 Qe2 86. Kb4 Qb2+ 87. Ka4 Kc5 88. Ka5 Qb5#) 66. Kc2 Qe2+ 67. Kb3 $2 (67. Kc3 f2 68. Qh3+ Kg1 69. Qg3+ Kf1 70. Qg5) 67... f2 68. Qh3+ Kg1 69. Qg3+ Kf1 70. Qh3+ $2 (70. h6 $19 Qe6+ 71. Kc3) 70... Ke1 {Black mates.} 71. Qc3+ Kd1 72. Qd4+ Kc1 73. Qc3+ Kb1 74. h6 f1=Q 75. h7 Qf7+ 76. Kb4 Qe4+ 77. Kb5 Qfb7+ {Accuracy: White = 51%, Black = 70%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.21"]
[White "Chanda, Sandipan"]
[Black "Zou, Chen"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2534"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,159,25,20,48,49,56,49,68,40,79,51,43,47,38,42,26,39,31,30,44,44,50,43,92,83,95,95,92,90,83,89,94,56,98,80,99,101,108,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,14,15,18,28,0,0,0,0,0,0,0,0,0,0,0,0,-9,0,0,0,0,-8,-8,0,0,0,0,0,0,0,0,0,0,0,-22,-22,-47,-47,-60,-8,-181,-188,-227,-227,-227,-117,-227,-197,-227,-218,-215,-216,-227,-214,-188,-23,-50,-53,-22,-22,-59,-30,-66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Nbd7 7. Nf3 e5 8. O-O h6 9. Be3 Re8 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (9... Ng4 10. Bc1 c6 11. d5 cxd5 12. cxd5 f5 13. g3 Ngf6 14. Nh4 Nxe4 15. Nxe4 fxe4 16. Nxg6 Rf7 17. Bg4 {1-0 (36) Sandipan,C (2575)-Hausrath,D (2482) Dieren 2017}) 10. d5 Ng4 11. Bd2 f5 {White is slightly better.} 12. g3 Ngf6 13. Nh4 Nc5 $146 ({Predecessor:} 13... Nf8 14. exf5 gxf5 15. Bd3 e4 16. Be2 Qe7 17. Bf4 {1-0 (34) Chekhelian,S-Petrosian,A Balti 1969}) 14. exf5 g5 15. Ng2 Bxf5 16. h4 Nfe4 17. Nxe4 Nxe4 18. Be3 Qd7 19. Bd3 $36 {[%mdl 2048] White has some pressure.} Nc5 20. Bxf5 Qxf5 21. hxg5 hxg5 22. Bxc5 $1 dxc5 23. Qh5 e4 24. Ne3 Qf3 25. Ng4 Bd4 {next ...Qxg3+ is good for Black.} 26. Qxg5+ Kf8 27. Nh6 (27. Nh2 $1 $16 {[%cal Rh2f3]} Qf6 28. Qxf6+ Bxf6 29. Ng4) 27... Re5 $1 $11 {[%cal Re5g5]} 28. Qg8+ Ke7 29. Qg7+ Ke8 30. Rae1 e3 $1 {[%cal Re3f2]} 31. fxe3 Bxe3+ 32. Rxe3 Qxe3+ 33. Kg2 {[%csl Gg7][%cal Rf1f8]} Qe2+ 34. Rf2 Qe4+ 35. Rf3 Qe2+ 36. Kh3 {[%csl Gg7][%cal Rf3f8]} Qxf3 {[%cal Re5h5]} 37. Qxe5+ {[%mdl 4096] Endgame KQR-KQN} Kf8 $1 38. Nf5 {White threatens Qg7+ and mate.} ({Don't do} 38. Qh8+ $6 Ke7 $16) 38... Qh5+ 39. Kg2 {Intending Qg7+ and mate.} Qg5 40. d6 cxd6 41. Qh8+ Qg8 42. Qf6+ Qf7 43. Qxd6+ Ke8 44. Qxc5 Qf6 45. Kh3 Rd8 46. Kg4 Rd7 47. Qxa7 Qxb2 48. Qe3+ Kd8 49. Qg5+ Kc7 50. Qf4+ Kc6 51. Qe4+ Kc5 52. Qe3+ Kc6 $1 53. Ne7+ Kc7 $1 54. Nd5+ Kd6 55. Qh6+ Kc5 {aiming for ...Qg7+.} 56. Qf8+ Rd6 $1 {[%mdl 1024] Black has compensation.} 57. Nf4 {Nd3+ is the strong threat.} Qd4 (57... Qb6 $1 $15) 58. Qc8+ $2 (58. Kf3 $1 $11 {and White stays safe.} Qxc4 59. Qc8+ Kb4 60. Qxb7+ Ka3 61. Qa8+ Ra6 62. Qe4 Qc3+ 63. Nd3) 58... Kb6 $19 59. Qg8 Rc6 60. Qd5 Qg7+ (60... Rxc4 $19 {( -> ...Qxd5)} 61. Qxd4+ Rxd4) 61. Qg5 (61. Kf5 $17) 61... Qd7+ 62. Qf5 {[#]} Qd1+ $1 63. Kg5 Rxc4 64. Nd5+ Ka7 65. Qf2+ {[#]} Rd4 $2 (65... Qd4 $1 $19 {[%cal Rd4f2]} 66. Qxd4+ Rxd4) 66. Qe3 $11 Qd2 67. Kf5 $1 Qxe3 68. Nxe3 {KR-KN} Rd3 69. Ke4 Ra3 (69... Rd6 $1 $15 70. Kf5 Kb8) 70. g4 {The position is equal.} Rxa2 {Threatens to win with ...b5.} 71. g5 Kb6 72. g6 Kc5 73. g7 Ra8 {And now ...Rg8 would win.} 74. Ke5 b5 75. Kf6 Kd4 76. Nc2+ Kc3 77. Ne3 {Black must now prevent Nd5+.} Kd3 78. Nd5 {Strongly threatening Nc7.} Rg8 79. Kf7 Rxg7+ 80. Kxg7 {Accuracy: White = 63%, Black = 64%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.22"]
[White "Nasanjargal, Urtnasan"]
[Black "Sammed Jaykumar, Shete"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "2503"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,84,31,41,17,10,0,21,0,0,0,14,0,0,0,0,0,24,0,-7,-34,-23,-27,-23,-42,-34,-20,-21,-16,-32,-20,-24,-99,-102,-94,-104,-128,-122,-193,-198,-227,-203,-491,-505,-608,-676,-1055,-1055,-1018,-968,-1039,-1031,-29990,-1032,-1024,-1016,-1010,-1008,-985,-974,-1079,-1083,-1067,-1050]} 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. Re1 exd4 11. Nxd4 Re8 12. Nc2 Nc5 13. Rb1 {E69: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4 c6 9 h3} ({Reject} 13. Qxd6 Rd8 $17) (13. b4 Ncd7 14. Qxd6 Ne5 15. c5 Qa6 16. Bf4 Nh5 17. Bf1 Nc4 18. Qd3 Bxh3 19. Bxh3 Rad8 20. Nd5 Nxf4 21. gxf4 Bxa1 22. Rxa1 cxd5 23. exd5 {0-1 (36) Laznicka,V (2675)-Rapport,R (2713) Novy Bor 2014}) 13... Ng4 14. hxg4 Bxc3 $1 15. Rf1 {The position is equal.} (15. Re3 {feels hotter.} Bg7 16. b3 Be6 17. Bd2 a5 18. Bc3) 15... Bg7 $146 ({Predecessor:} 15... Be5 16. b3 a5 17. Be3 Qc7 18. f4 Bg7 19. e5 Bf8 20. Bxc5 dxc5 {0-1 (46) Colas,J (2352)-Shen,C (2206) Chicago 2017}) 16. Be3 {aiming for b4.} Qc7 (16... Qa6 {with more complications.} 17. Qxd6 Bf8 18. Qf6 Bg7 19. Qd6) 17. f3 b6 18. Bf2 Bb7 19. Ne3 Rad8 20. Qc2 Ne6 21. Rbd1 Nd4 $36 {[%mdl 2048] Black has good play.} 22. Qd3 d5 23. cxd5 cxd5 24. exd5 Bxd5 25. Nxd5 Rxd5 26. Rfe1 Red8 27. f4 {[#]} (27. Kh2 $11 {keeps the balance.}) 27... R5d6 $1 $17 28. Rc1 Qd7 29. Qd1 Ne6 30. Qb3 (30. Qf3 $17) 30... Rd3 $19 31. Qb4 Nc5 32. Bf1 $2 {[#]} (32. Rc2) 32... Bd4 $1 {[%cal Rd4f2]} (32... Rd2 33. g5 $17) 33. Bxd4 {Hoping for Bf2.} Rxg3+ (33... Rxd4 34. Rc4 $17) ({Weaker is} 33... Qxd4+ 34. Qxd4 R3xd4 35. g5 $11) 34. Kh2 Qxg4 35. Bf6 {[#]} g5 $1 {[%mdl 512]} 36. Bxg5 {[#]} (36. fxg5 Rd2+) 36... Rdd3 $1 {[%mdl 512]} 37. Re8+ (37. Bxd3 Qh3#) 37... Kg7 {( -> ...Rh3+!)} 38. Qc3+ {Black is clearly winning.} Rxc3 39. Rxc3 Rxc3 40. bxc3 h6 41. Re5 f6 42. Bh3 Qf3 {Accuracy: White = 37%, Black = 94%.} ({Less strong is} 42... hxg5 43. Bxg4 fxe5 44. fxe5 $17) 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.23"]
[White "Taher, Yoseph Theolifus"]
[Black "Pham, Chuong"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2446"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,142,0,2,0,0,-3,-8,-26,-19,-25,-20,-21,5,11,18,4,68,61,72,70,79,71,73,72,152,96,165,164,179,164,165,114,116,99,108,91,92,107,96,103,101,112,113,98,118,125,120,112,82,96,56,66,59,48,82,12,12,12,12,11,24,0,0,0,0,0,270,271,271,271,266,270,270,264,289,208,248,156,209,73,228,228,228,228,228,186,186,186,228,228,228,228,466,461,461,379,1084,743,675,403,1124,1394,987,916,874,583,29958,487,29961,29958,29962,29961,29966,29967,29967,29969,29968,29968,29967,29969,29969,29969,29969,29970,29970,29971,29971,29972,29972,29973,29972,29973,29972,29972,29969]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. e5 (5. d3 Ne7 6. f4 d5 7. Nf3 Ng6 8. b3 Bd6 9. e5 Be7 10. O-O O-O 11. Na4 f6 12. c4 fxe5 13. fxe5 {0-1 (37) Grischuk,A (2772)-Korobov,A (2652) Huaian 2017}) 5... Ne7 6. Nf3 {B23: Closed Sicilian: Lines without g3} Ng6 7. d3 Be7 8. h4 {The position is equal.} Qc7 9. Qe2 f6 10. exf6 Bxf6 $146 ({Predecessor:} 10... gxf6 11. h5 Nf8 12. Bh6 Rg8 13. g3 d5 {1-0 (33) Cao,S (2488)-Ton That Nhu,T (2235) Da Lat 2014}) 11. Ne4 Be7 12. g3 e5 (12... h6 $11) 13. h5 $14 Nf8 14. h6 $36 {[%mdl 2048] White has the initiative.} g6 $1 15. Bg5 {Hoping for Nf6+.} d6 16. Bf6 Rg8 ({Black should play} 16... Bxf6 17. Nxf6+ Kd8) 17. O-O-O (17. Bxe7 $142 Qxe7 18. d4) 17... Bf5 (17... Ne6 $16) 18. Bxe7 $18 Qxe7 19. d4 $1 {[%cal Rd4e5]} cxd4 {[#]} 20. Nxd4 $1 {[%mdl 512]} exd4 $16 21. Nf6+ $1 {[%mdl 64] Double Attack} Kf7 22. Qxe7+ Kxe7 23. Nxg8+ Kf7 24. Rxd4 d5 25. Re1 $1 {And now Ne7 would win.} ({Don't play} 25. g4 $6 Bd7 $11) 25... Ne6 26. Rb4 Rxg8 27. Rb7+ Kf6 28. Rxh7 a5 29. Ra7 Rh8 30. h7 Be4 31. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} g5 32. Rxa5 (32. b4 $1 $16) 32... Rxh7 $11 33. Ra6 Rc7 34. b4 g4 35. Rb6 Ke5 36. a5 Nd4 37. a6 {Black must now prevent Rb7.} Rf7 $2 {[%mdl 8192]} (37... Ra7 $11) 38. Rb7 $1 $18 {[%cal Rb7f7]} Rf8 {[#]} ({Not} 38... Rxf2 $2 39. Rxe4+ $1 {[%mdl 512]} dxe4 40. a7 $18) 39. a7 $1 Ra8 {and if ...Nb5 works, Black does fine.} 40. Kb2 Nb5 41. Ra1 Kd6 42. Rg7 Bf3 43. c3 Nc7 (43... Be2 $16 44. Kc2 Bc4) 44. Re1 (44. Kc1 $18 {and White stays clearly on top.}) 44... Rxa7 $2 (44... Be4 $16) 45. Ree7 {Threatens to win with Rd7+.} c5 {[#]} 46. b5 $1 {[%mdl 512]} Rb7 {[#]} (46... Nxb5 47. Rxa7) 47. c4 $1 {[%mdl 512]} dxc4 48. Rd7+ Ke6 49. Rxc7 Rxb5+ {[%mdl 4096] Endgame KRR-KRB} 50. Kc3 Rb3+ $2 (50... Be2 {might work better.} 51. Rce7+ Kf6 52. Rgf7+ Kg6) 51. Kxc4 Rb2 52. Rxc5 Rxf2 $2 (52... Kf6) 53. Rg6+ Kf7 54. Rb6 {White wants to mate with Rc7+.} Rc2+ (54... Ke8 $142 55. Rh5 Rd2 56. Rh8+ Kf7 57. Rh7+ Kg8) 55. Kd4 Rd2+ 56. Ke5 {Threatening mate with Rc7+.} Rd7 57. Kf5 Kg7 58. Kg5 (58. Ke6 $142 Ra7 59. Rg5+ Kh8 60. Kf6 Ra8 61. Re6 Rc8 62. Kg6 Bd1 63. Kh5) 58... Ra7 (58... Re7 $18 59. Rf5 Be4) 59. Kh5 {White mates.} Re7 60. Rg5+ Kf7 61. Kh6 Re6+ 62. Rxe6 Kxe6 {KR-KB} 63. Ra5 Kf6 64. Ra4 Kf7 65. Rf4+ Kg8 66. Kg6 Be2 67. Rd4 {[%cal Rd4d8]} Kf8 68. Kh7 Bf3 69. Rf4+ Ke7 70. Kg6 Ke6 71. Kg5 Kd5 {Accuracy: White = 68%, Black = 49%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.24"]
[White "Chu, Wei Chao"]
[Black "Laylo, Darwin"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2373"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,63,33,31,44,35,65,35,55,33,28,33,73,64,130,128,112,85,125,126,153,40,38,35,37,10,1,12,132,129,174,188,187,170,180,192,245,242,482,457,470,452,1635,1606]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. Be2 c5 9. O-O b6 10. Bg5 Bb7 11. Qd3 cxd4 12. cxd4 Nc6 {[%cal Rc6d4] D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} 13. d5 $146 ({Predecessor:} 13. Rad1 Rc8 14. d5 Na5 15. Qa3 Bf6 16. Bxf6 exf6 17. Rfe1 Rc5 18. Qe3 Re8 19. Qf4 Nc4 20. Bxc4 Rxc4 21. h4 f5 22. Qh6 Rcxe4 23. Rxe4 fxe4 24. Ng5 Qf6 25. Qxh7+ Kf8 26. d6 {½-½ (26) Ringoir,T (2527)-Korley,K (2453) Charlotte 2018}) 13... Nb4 14. Qd2 (14. Qb3 $5 {[%cal Rb3b4]} Qd6 15. Rac1 $14) 14... Na6 {White is slightly better.} 15. Rab1 Nc5 16. Qe3 f6 17. Bh4 $1 e6 ({Black should try} 17... Qd7 $14) 18. dxe6 $16 Qe7 19. Nd4 Bxe4 20. Rbd1 $1 g5 21. Bf3 (21. Bc4 $1 $16) 21... Bxf3 $14 22. Qxf3 f5 $1 ({Much weaker is} 22... gxh4 $6 23. Nf5 $16) 23. Nc6 Qxe6 24. Bxg5 Ne4 {[#]} (24... Rae8 $1 $11 {keeps the balance.}) 25. Nd8 $1 $16 {[%cal Rd8e6]} Qxa2 26. Be7 Re8 {[#]} 27. Bh4 $1 Rf8 28. Rd7 Rc8 (28... Qc4 $142 29. Be7 Raxd8 30. Bxd8 Nc5 31. Qd5+ (31. Rxa7 Rxd8 32. Qxf5 Rf8 $11) 31... Qxd5 32. Rxd5 Bf6) 29. Be7 $18 Nf6 $2 (29... Rcxd8 {was necessary.} 30. Bxd8 Rf7) 30. Bxf6 {White is clearly winning.} Bxf6 31. Qxf5 {[%csl Gd7][%cal Rf5h7]} Bg7 {[#]} (31... Be7 $142 32. Qg4+ Kh8) 32. Rxg7+ $1 {[%mdl 576] Discovered Attack. Accuracy: White = 66%, Black = 32%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.25"]
[White "Fenil, Shah"]
[Black "Bulmaga, Irina"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2360"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,56,16,12,8,10,17,31,37,27,35,41,30,-1,-32,-148,-209,-211,-202,-215,-122,-206,-212,-654,-647,-1178,-1178,-2191,-2090,-29978,-140,-29979,-29980,-29980,-29981,-29981,-29967,-5397,-1588,-29996,-29995,-29996,-29997,-29997,-29998]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. O-O d6 6. c3 a6 7. Bb3 Ba7 8. Nbd2 h6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. Re1 g5 10. Nc4 g4 {White is slightly better.} 11. Nfd2 h5 12. Nf1 h4 (12... b5 13. Nce3 h4 14. Bd5 Nxd5 15. exd5 Ne7 16. Nxg4 Bxg4 17. Qxg4 {0-1 (55) Amin,B (2710)-Fedoseev,V (2719) St Petersburg 2018}) 13. d4 g3 $146 ({Predecessor:} 13... h3 14. g3 b5 15. dxe5 bxc4 16. Ba4 {0-1 (34) Shen,A (2339)-Balakrishnan,P (2226) Kitchener 2015}) 14. hxg3 ({Better is} 14. fxg3 $15 exd4 15. e5 dxc3+ 16. Be3 cxb2 17. Nxb2 Bxe3+ 18. Nxe3 dxe5 19. Qxd8+ Kxd8 20. gxh4) 14... hxg3 $17 15. Nxg3 {And now Bg5 would win.} Ng4 $1 16. Qf3 Rh7 (16... Qh4 $19 17. Nxd6+ cxd6 18. Qxf7+ Kd8) 17. Ne3 {[#]} (17. Ba4 $17) 17... Qh4 $1 $40 {[%mdl 128] White is in trouble.} 18. Nd5 $2 (18. Bd1 Nxe3 19. fxe3) 18... exd4 {aiming for ...d3!} 19. Nxc7+ Kd8 20. Nxa8 Nce5 21. Qf4 Qh2+ 22. Kf1 {[#]} d3 $1 23. Qg5+ f6 24. Qg8+ Ke7 25. Qxh7+ Qxh7 26. Nc7 Nh2+ {Black mates.} 27. Kg1 {[#]} Nef3+ $1 {[%mdl 512]} 28. gxf3 Nxf3+ {[%mdl 64] Double Attack. Accuracy: White = 37%, Black = 68%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.26"]
[White "Dimakiling, Oliver"]
[Black "Vo, Thi Kim Phung"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2423"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,-10,0,-27,-24,-27,-23,-31,-17,-71,-56,-57,-66,-90,-45,-82,-66,-84,-78,-77,-43,-114,-97,-108,-89,-127,0,0,0,2,8,0,-3,-7,-5,-68,-72,-80,-87,-180,-107,-182,-156,-150,-151,-169,-158,-191,-187,-181,-148,-145,-120,-154,-61,-156,-18,-496,0,-661,-662,-755,-715,-715,-612,-704,0,-1268,-1090,-29967,-29969,-29979,-29978,-5961,-666,-29976,-387,-898,-870,-29988,-29989,-29997,-429,-29998,-29999,-29999]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Be7 5. Be2 (5. b3 O-O 6. Bb2 dxc4 7. Bxc4 c5 8. h4 a6 9. Qb1 b5 10. Be2 Bb7 11. Ng5 Nbd7 12. Bf3 Bxf3 13. Nxf3 Rc8 14. Ne2 {0-1 (59) Nepomniachtchi,I (2763)-Yu,Y (2764) St Petersburg 2018}) 5... c5 6. d3 {A17: English Opening: 1...Nf6 with ...Bb4} Nc6 7. O-O d4 $146 ({Predecessor:} 7... O-O 8. Re1 a6 9. a3 b6 10. b3 Bd6 11. Bb2 Qc7 12. g3 h6 {½-½ (52) Simmons,E (806)-Hughes,C (714) LSS email 2010}) 8. exd4 {Black has an edge.} cxd4 9. Nb1 (9. Na4 $11 {keeps the balance.}) 9... e5 10. Re1 O-O $36 {[%mdl 2048] Black has good play.} 11. Bf1 h6 12. h3 Bd6 13. Na3 Nd7 14. Nc2 f5 15. Rb1 (15. c5 $15 Nxc5 16. b4) 15... a5 $1 $17 16. b3 Qf6 17. a3 e4 (17... b6 $17 18. Bb2 Bb7) 18. dxe4 $11 fxe4 19. Rxe4 {[%cal Rc2d4]} Nc5 20. Rxd4 (20. Re1 $5 {[%cal Rc2d4]}) 20... Nxd4 21. Ncxd4 {[#]} Bxh3 $1 {[%mdl 512]} 22. Be3 (22. b4 $11 axb4 23. axb4) (22. gxh3 Qg6+) 22... Bg4 $1 $15 23. Qc2 Bf4 24. b4 (24. Bxf4 $17 {keeps fighting.} Qxf4 25. Re1) 24... axb4 ({Black should play} 24... Bxe3 $19 25. fxe3 Ne6) 25. axb4 (25. Bxf4 $17 {was worth a try.} b3 26. Nxb3 Qxf4 27. Nxc5 Bxf3 28. Ne6) 25... Bxe3 $1 $19 26. fxe3 Ne6 $1 27. c5 Nxd4 ({Much less strong is} 27... Bxf3 28. Nxf3 Kh8 29. Qe4 $17) 28. Nxd4 Qe5 29. Qd2 Rad8 30. Rc1 Qg3 31. b5 Rfe8 (31... Kh8 $17 {aiming for ...Rd5.} 32. c6 bxc6 33. bxc6 Rd5) 32. Rc3 {[#]} (32. c6 $15) 32... Re5 ({Black should try} 32... Kh8 $1 $17 {White must now prevent ...Rf8.} 33. c6 bxc6 34. bxc6 Rf8) 33. c6 $2 {[%mdl 8192]} (33. Qa2+ $11 {and White stays safe.} Kf8 34. c6 bxc6 35. bxc6) 33... bxc6 $2 (33... Rh5 $19 34. Qa2+ Kh8) 34. bxc6 $2 {[%mdl 8192]} (34. e4 $11 Qh4 35. Qa2+ Kh7 36. Nxc6) 34... Rh5 35. Qa2+ Kh8 36. Qf7 Qh2+ 37. Kf2 {[#] intending c7.} Qd6 $2 ({Better is} 37... Rxd4 $1 $19 {[%mdl 512]} 38. exd4 Rf5+ 39. Qxf5 Bxf5) 38. Ke1 $2 {[%mdl 8192]} (38. c7 $11 Rc8 39. Bd3) 38... Rf8 39. Qc4 Rh1 40. Nf3 Qg3+ 41. Kd2 Qf2+ (41... Bxf3 $142 42. gxf3 Rd8+ 43. Kc2 Rh2+ 44. Kb3 Rb8+ 45. Qb5 Qe5 46. Qxb8+ Qxb8+ 47. Kc4 Rb2) 42. Be2 Qxg2 $2 (42... Bxf3 {mates} 43. gxf3 Rd8+ 44. Kc2 Qe1 45. Kb3 Qb1+ 46. Ka4 Ra8+ 47. Qa6 Qa2+ 48. Kb4 Rxa6 49. Bxa6 Qxa6 50. e4 Qb6+ 51. Kc4 Rd1 52. Rd3 Rc1+ 53. Kd5 Qd8+ 54. Ke5 Rc5+ 55. Ke6 Rxc6+ 56. Ke5 Qg5+ 57. Kd4 Qc5#) 43. Nd4 $2 (43. c7 h5 44. Rb3) 43... Qf2 {( -> ...Qe1+)} 44. c7 Qe1+ 45. Kc2 Qb1+ 46. Kd2 {[#]} Rd1+ $1 {[%mdl 512]} 47. Bxd1 Qxd1# {Accuracy: White = 22%, Black = 52%.} 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.27"]
[White "Saravana, Krishnan P."]
[Black "Le, Quang Long"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2352"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,118,9,9,9,18,9,12,11,11,11,11,12,28,12,19,5,17,20,28,24,29,20,25,31,29,-8,0,-4,0,-25,0,-18,-24,-32,-18,-30,-39,-38,-32,-131,-89,-100,-112,-111,-71,-78,-26,-40,-24,-72,-25,-72,-75,-70,-61,-73,-75,-58,-50,-62,-29,-57,-32,-118,-73,-88,-80,-71,-33,-22,-13,-12,-10,-37,-18,-131,-83,-172,-69,-72,-62,-255,-88,-86,-93,-84,-86,-100,-100,-204,-183,-317,-262,-892,-885,-875,-867,-857,-845,-823,-695,-1543,-1947,-5385,-4625,-29987,-5069,-29991,-29992,-29993,-1048]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 Nd7 6. Bd3 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Bxd3 7. Nxd3 e6 8. Qe2 {The position is equal.} (8. Nf3 Ngf6 9. O-O Be7 10. c4 c5 11. b3 O-O 12. Bb2 cxd4 13. Bxd4 {½-½ (46) Sevian,S (2641)-Shimanov,A (2620) Saint Louis 2018}) 8... Bd6 9. Nf3 Ne7 10. O-O Ng6 $146 ({Predecessor:} 10... O-O 11. b3 Ng6 12. Bb2 Qa5 13. a4 {0-1 (46) Voicu Jagodzinsky,C (2346)-Saltaev,M (2495) Dortmund 2010}) 11. Ng5 O-O 12. g3 Be7 13. h4 h6 14. Ne4 Re8 15. Rd1 Nf6 16. Nxf6+ Bxf6 17. Nc5 e5 18. dxe5 Qe7 19. Be3 Nxe5 20. Kg2 b6 21. Ne4 c5 22. c4 Nc6 23. Nxf6+ Qxf6 24. Re1 (24. b3 $15) 24... Qf5 {White must now prevent ...Nd4.} 25. Rac1 Rad8 26. Qc2 Qg4 27. f3 Qc8 (27... Qd7 $1 $17 {...Nb4 is the strong threat.} 28. a3 Ne5) 28. Bf2 Nb4 29. Rxe8+ Rxe8 30. Qd2 Rd8 31. Qe2 Qd7 32. a3 Nd3 33. Rc2 Re8 34. Qd2 Qf5 35. Rc3 Rd8 36. Bg1 ({White should try} 36. b4 $15) 36... g5 $36 {[%mdl 2048] White is under strong pressure.} 37. hxg5 hxg5 {And now ...Nf4+! would win.} 38. Qe2 Kg7 39. b4 a5 40. bxa5 bxa5 41. Rb3 Rd6 42. Bh2 (42. a4 $11) 42... a4 43. Rc3 {[#]} (43. g4 $17 {was the only defense.} Nf4+ 44. Bxf4 Qxf4 45. Re3) 43... Qd7 (43... g4 $1 $19 {[%cal Rg4f3][%mdl 512]} 44. fxg4 Qd7) 44. g4 $15 Rd4 45. Be5+ $2 (45. Rc2 $15) 45... f6 $2 (45... Nxe5 $19 {has better winning chances.} 46. Qxe5+ f6) 46. Bg3 $17 Ne5 {aiming for ...Rd2.} 47. Rc2 ({Don't go for} 47. Bxe5 $2 Rd2 $19) 47... Ng6 48. Qe3 Kf7 49. Qe1 (49. Kf2 $17) 49... Qb7 $19 50. Kf2 (50. Rd2 $142) 50... Rd3 $1 {[%csl LRa3,LRf3]} 51. Qh1 $2 (51. Qe2 Rxa3 52. Qd1) 51... Kg7 52. Re2 Rxa3 53. Bd6 Qc6 54. Bg3 Rd3 55. Rb2 a3 56. Rb5 Qd7 {( -> ...Rd2+)} 57. Qb1 a2 (57... Rd2+ $142 58. Kf1 a2 59. Qe4 a1=Q+ 60. Be1 Qdd4 61. Rb7+ Kh6 62. Qxd4 cxd4 63. f4 Nxf4 64. Rf7 Re2 65. Rxf6+ Kg7 66. Rf7+ Kxf7 67. Kg1 Qxe1#) 58. Qa1 Rd2+ 59. Ke1 Rd1+ {Accuracy: White = 33%, Black = 55%.} (59... Qd3 $142 60. Rb7+ Kh6 61. Re7 {[%mdl 64] Decoy} Nxe7 62. Qxf6+ Ng6 63. Qxg5+ {[%mdl 64] Remove Defender} Kxg5 64. f4+ Kxg4 65. Bf2 a1=Q#) 0-1

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.28"]
[White "Nitin, S.."]
[Black "Nguyen, Thi Thanh An"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2408"]
[BlackElo "2245"]
[Annotator "RC"]
[PlyCount "75"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:18]} d6 {[%emt 0:05:50]} 3. d4 {[%emt 0:00:13]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:20]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:05]} 6. Be3 {[%emt 0:00:07]} g6 {[%emt 0:00:06]} 7. f3 {[%emt 0:01:05]} Bg7 {[%emt 0:00:12]} 8. Qd2 {[%emt 0:00:09]} h5 {[%emt 0:00:11]} 9. O-O-O {[%emt 0:00:26]} Nbd7 {[%emt 0:00:09]} 10. Kb1 {[%emt 0:01:37]} b5 {[%emt 0:00:46]} 11. g3 {[%emt 0:04:39]} Bb7 {[%emt 0:00:47]} 12. h3 {[%emt 0:02:36]} Qc7 {[%emt 0:01:14]} 13. Nb3 {[%emt 0:02:56]} Rc8 {[%emt 0:04:32]} 14. Bd3 {[%emt 0:04:08]} Ne5 {[%emt 0:11:01]} 15. Qf2 {[%emt 0:01:04]} Nc4 {[%emt 0:05:43]} 16. Bxc4 {[%emt 0:00:10]} bxc4 {[%emt 0:00:05]} 17. Bb6 {[%emt 0:04:15]} Qb8 {[%emt 0:00:11]} 18. Nc1 {[%emt 0:00:18]} Bc6 {[%emt 0:08:57]} 19. Bd4 {[%emt 0:09:15]} Qb7 {[%emt 0:05:09]} 20. g4 {[%emt 0:02:36]} e5 {[%emt 0:04:32]} 21. Be3 {[%emt 0:06:00]} Rb8 {[%emt 0:00:42]} 22. b3 {[%emt 0:00:09]} O-O {[%emt 0:12:43]} 23. Rxd6 {[%emt 0:02:36]} Rfc8 {[%emt 0:00:08]} 24. Rhd1 {[%emt 0:03:56]} hxg4 {[%emt 0:03:33]} 25. hxg4 {[%emt 0:00:06]} a5 {[%emt 0:00:16]} 26. Qh4 {[%emt 0:05:08]} Ne8 {[%emt 0:05:19]} 27. R6d2 {[%emt 0:00:55]} Qb4 {[%emt 0:05:16]} 28. Rh2 {[%emt 0:00:16]} cxb3 {[%emt 0:00:09]} 29. axb3 {[%emt 0:02:25]} Qxc3 {[%emt 0:00:35]} 30. Bh6 {[%emt 0:00:28]} f6 {[%emt 0:01:09]} 31. Bxg7 {[%emt 0:01:31]} Nxg7 {[%emt 0:00:14]} 32. Qxf6 {[%emt 0:05:18]} Rf8 {[%emt 0:09:16]} 33. Qxg6 {[%emt 0:00:36]} Be8 {[%emt 0:01:43]} 34. Qh7+ {[%emt 0:01:42]} Kf7 {[%emt 0:00:06]} 35. Rh5 {[%emt 0:01:25]} Rb6 {[%emt 0:05:04]} 36. Rg5 {[%emt 0:01:37]} Rg8 {[%emt 0:00:39]} 37. Rf5+ {[%emt 0:00:11]} Ke7 {[%emt 0:00:41]} 38. Qh4+ {[%emt 0:00:10]} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.29"]
[White "Rahul Srivatshav P"]
[Black "Gomes, Mary Ann"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2400"]
[BlackElo "2312"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,148,29,35,15,22,22,17,14,17,17,43,48,41,42,33,36,35,43,46,18,13,16,28,16,30,18,20,11,15,0,0,0,0,0,14,0,0,0,0,0,6,0,23,23,45,0,0,0,0,0,0,0,0,0,0,0,0,0,12,10,11,11,11,11,8,11,13,0,15,8,8,8,14,14,136,141,238,225,352,335,454,444,431,400,429,406,365,379,500,457,774,758,879,856,844,845,844,844,668,647,607,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. b3 Nc6 7. O-O Be7 8. Bb2 O-O 9. d4 Nxd4 10. Nxd4 Bxg2 11. Kxg2 cxd4 12. Qxd4 Qc7 13. Qe3 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (13. Rad1 Rfd8 14. Qf4 Qxf4 15. gxf4 a6 16. a4 Nh5 17. Kf3 f5 18. Rd3 Nf6 19. Rfd1 Ra7 20. e4 {½-½ (20) Andriasian,Z (2624)-Melkumyan,H (2620) Yerevan 2012}) 13... a6 14. a4 Rfd8 15. Rfd1 Qc6+ 16. Qf3 {[#]} Ne8 $146 ({Predecessor:} 16... Rac8 17. Rd3 d6 18. Rad1 Nd7 19. Ne4 Nc5 20. Re3 Nxe4 {½-½ (20) Martinez Duany,L (2494)-Andres Gonzalez,A (2518) San Sebastian 2017}) 17. Rd2 Bg5 18. e3 Bf6 19. Rad1 Qxf3+ 20. Kxf3 d6 21. Ne4 Bxb2 22. Rxb2 Kf8 23. Nc3 Rac8 24. e4 Ke7 25. Ke3 Nf6 26. Rbd2 Ng4+ 27. Ke2 Ne5 28. f4 Nc6 29. Ke3 Na5 30. Rb1 h5 31. Kd3 g6 32. Kc2 f5 33. Re1 {exf5 is the strong threat.} Kf7 34. Kb2 Nb7 35. Red1 Ke7 36. Re1 Kf7 37. Rde2 Nc5 {White must now prevent ...Nd3+.} 38. Re3 Re8 39. Rd1 {aiming for exf5.} Red8 40. h3 Rd7 41. g4 Nxe4 42. Nxe4 fxe4 43. Rxe4 hxg4 44. hxg4 $11 {[%mdl 4096] Endgame KRR-KRR} Rh8 45. Rde1 Rh4 46. Rxe6 Rxg4 47. R6e4 Kf6 48. Rd4 Kf5 (48... Rd8 $11) 49. Re8 $1 $16 {[%cal Re8f8]} Rg2+ {[#]} (49... Rb7 $16 50. Rxd6 Rxf4) 50. Ka3 $1 $18 Rf7 (50... Rb7 $142 51. Rxd6 Rg1) 51. Rb8 ({Not} 51. Rxd6 Kxf4 52. Rxb6 a5 $18) 51... Rf2 52. Rxb6 Rxf4 53. Rdxd6 g5 54. Rd5+ Kg4 55. Rxa6 Rg7 56. c5 Kf3 (56... Rf8 $142 57. Rd1 Kg3) 57. c6 g4 58. Rd7 Rxd7 59. cxd7 {KR-KR} Rd4 60. Rf6+ Ke3 61. Rg6 Kf3 {[#]} 62. Rg7 $2 ({Only move:} 62. b4 $1 $18 Rxd7 63. b5) 62... g3 $11 {The position is equal.} 63. a5 g2 64. a6 {Threatening mate with a7.} Rxd7 $1 {[#]} 65. Rxg2 $1 {[%mdl 512]} Kxg2 {KR-KPP} 66. b4 Rd1 67. b5 Rb1 68. Ka4 {Hoping for Ka5.} Kf3 69. Ka5 {Strongly threatening b6.} Ke4 70. a7 Ra1+ 71. Kb6 Kd5 72. Kb7 Kc5 73. a8=Q Rxa8 74. Kxa8 Kxb5 {Accuracy: White = 66%, Black = 57%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.13"]
[Round "9.30"]
[White "Tokhirjonova, Gulrukhbegim"]
[Black "Pranesh, M."]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2434"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,21,31,36,39,35,44,0,0,6,70,27,35,46,39,35,37,-42,-44,-50,28,35,36,15,31,33,35,14,59,63,79,74,83,45,93,42,102,100,110,105,117,112,196,166,247,226,228,219,218,218,218,218,227,221,224,221,277,252,414,390,634,620,665,655,1569,1506,1298,1110,2295,2226,2197,2062,29987,29988,29988,29989,29989,29990,29990,29988,29991,29986,29992,29991,29991,29992,29992,29993,29993,29994,29997,29998,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 {[%cal Bc2c3,Bc3d4][%mdl 32]} d6 {[%cal Bd7d6,Bd6d5][%mdl 32]} (5... d5 6. Nbd2 dxe4 7. dxe4 O-O 8. O-O Qe7 9. b4 Bd6 10. a3 a5 11. Rb1 axb4 12. axb4 Be6 13. Re1 Rfd8 14. Qc2 h6 15. Bf1 Ra2 16. Bb2 Qe8 {½-½ (56) Carlsen,M (2835)-Kramnik,V (2777) Wijk aan Zee 2019}) 6. d4 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} exd4 7. cxd4 Bb4+ 8. Kf1 {Black must now prevent Qa4.White is slightly better.} d5 $1 {[%cal Rd5e4]} ({Wrong is} 8... Nxe4 $2 9. a3 $18) 9. e5 Nd7 ({Black should try} 9... Ne4 $11) 10. Qa4 Be7 11. Bxc6 bxc6 12. Qxc6 O-O 13. Qxd5 $146 ({Better is} 13. Kg1 $14 Rb8 14. h4 (14. Qxd5 Bb7 $15)) ({Predecessor:} 13. Be3) 13... c5 $15 14. Nc3 {[%cal Bb1c3,Bc3d5,Bd5b4,Bb4c2,Bc2e3][%mdl 32]} Qc7 (14... Rb8 $15) 15. Qe4 {And now d5 would win.} cxd4 16. Nd5 $1 {[%cal Rd5c7]} Qc4+ 17. Kg1 Bd8 18. b3 $36 {[%mdl 2048] White has some pressure.} Qa6 19. Qxd4 Nb6 20. Nb4 Qb7 21. h3 Be7 22. Kh2 (22. Nc2 $16) 22... a5 (22... Bf5 $14) 23. Nc2 $16 Bf5 24. Ne3 Be4 25. Nd2 Bc6 (25... Bg6 $16) 26. Nf5 $18 f6 (26... Rfd8 {is a better defense.} 27. Qg4 (27. Nxe7+ Qxe7 28. Qe3 Qb7 $16) 27... g6) 27. Nxe7+ Qxe7 28. Nc4 Nxc4 29. Qxc4+ {[%mdl 64] [#] Double Attack} Kh8 30. Bb2 Rac8 {With the idea ...Bxg2.} 31. exf6 gxf6 {Hoping for ...Qd6+.} 32. Qf4 Qg7 {[%csl Gc6][%cal Rg7g2]} 33. f3 Bd7 $2 (33... Qc7 {was called for.} 34. Qxc7 Rxc7) 34. Rac1 {[%cal Ba1c1,Bc1c4,Bc4g4][%mdl 32]} Rb8 $2 (34... Kg8 35. Rhd1 Rxc1 36. Rxc1 h6) 35. Rhd1 Rb4 36. Rc4 Rb7 37. Rd6 Kg8 38. Rxf6 Rxf6 39. Bxf6 Qg6 40. Qd6 Be8 41. Rg4 {White mates.} Rd7 42. Qe6+ Kf8 43. Rxg6 hxg6 44. Be5 a4 45. Bd6+ Kg7 46. Qxe8 Rxd6 {[%mdl 4096] Endgame KQ-KR} 47. Qe7+ {[%mdl 64] [#] Double Attack} Kh6 48. Qxd6 axb3 49. axb3 Kh5 50. Qf8 g5 51. Qf6 Kh4 52. Qh6# {Accuracy: White = 60%, Black = 37%.} 1-0

