[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.1"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Wang, Hao"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2639"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,17,0,31,23]} 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O e5 {[#] Threatens to win with ...e4.} 9. cxd5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} {Predecessor:} cxd5 $146 10. e4 exd4 11. Nxd5 Nxd5 12. exd5 h6 13. Nxd4 Qh4 14. Nf3 Qh5 15. Bh7+ Kh8 16. Qf5 Qxf5 17. Bxf5 Nf6 18. Bxc8 Rfxc8 19. Rd1 Rd8 20. Be3 Be7 21. d6 Rxd6 22. Rxd6 Bxd6 {0-1 (48) Yilmaz,M (2636)-Potkin,V (2597) St Petersburg 2018} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.2"]
[White "Cheparinov, Ivan"]
[Black "Bogdanovich, Stanislav"]
[Result "*"]
[WhiteElo "2683"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,55,16,20,0,33,28,41,41,46,24,45,31,61,59,72,41,32,31,27,19,31,-8,-16,-10,-8,-22,-26,-20,-34,-18,-34,-11,-10,-11,-2,-84,-99,-93,-83,-146,-142,-154,-42,-36]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. O-O O-O 7. a4 d6 8. Bg5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Be6 (8... h6 9. Bh4 g5 10. Bg3 Ba7 11. Nbd2 Nh7 12. h3 h5 13. d4 h4 14. Bh2 g4 15. hxg4 Bxg4 16. dxe5 dxe5 {1-0 (45) Duda,J (2738)-Kramnik,V (2777) Wijk aan Zee 2019}) 9. Nbd2 h6 10. Bh4 {White is slightly better.} Ba7 11. Re1 g5 12. Bg3 Ne7 13. d4 Bxc4 $146 ({Predecessor:} 13... exd4 14. Nxd4 d5 15. exd5 Bxd5 16. Be5 Bxc4 17. Bxf6 Be6 18. Qh5 Bxd4 19. cxd4 Kh7 20. Nf3 Rg8 21. Rxe6 {1-0 (21) Capone,N (2397)-Hawia,T (2051) Charleroi 2016}) 14. dxe5 Be6 $1 {[#] Hoping for ...dxe5.} 15. exf6 Ng6 16. e5 dxe5 17. Ne4 Qxd1 18. Raxd1 Rfe8 19. h3 ({Avoid the trap} 19. Nxe5 $2 Nxe5 20. Nxg5 Bb3 $19) 19... Bb3 $36 {[%mdl 2048] Black has the initiative.} 20. Rd7 Bb6 21. a5 Bxa5 22. Nc5 {[%mdl 64] [#] Double Attack} Be6 23. Nxe6 Rxe6 24. b4 (24. h4 $1 $11) 24... Bb6 $17 25. c4 {And now c5 would win.} c5 ({Much worse is} 25... Rxf6 26. c5 $16) 26. b5 (26. Nxe5 $142 cxb4 27. Nd3 Rxe1+ 28. Nxe1) 26... axb5 ({Much weaker is} 26... Rxf6 $6 27. Rb1 $11) 27. cxb5 Ba5 (27... c4 $17 28. Nd2 c3) 28. Ra1 {Accuracy: White = 46%, Black = 58%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.3"]
[White "Mareco, Sandro"]
[Black "Gukesh D"]
[Result "*"]
[ECO "D11"]
[WhiteElo "2666"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,46,25,24,19,8,53,53,53,51,54,51,66,51,58,52,59,55,50,50,47,52,50,47,62,45,38]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O Be7 8. b3 O-O 9. Bb2 Nc6 10. dxc5 Qxd1 11. Rxd1 Bxc5 12. Nc3 b6 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines} 13. Ng5 $146 ({Predecessor:} 13. Nd2 Na5 14. Be2 Bb7 15. a3 Be7 16. b4 Nc6 17. Nc4 Rfd8 18. f3 Rac8 19. Rac1 Ne8 20. Kf2 {½-½ (41) Mozetic,D (2440)-Djukic,Z (2400) Novi Sad 2000}) 13... Bb7 14. Nge4 {Threatens to win with Nxf6+.White is slightly better.} Be7 15. Nd6 Bxd6 16. Rxd6 Rfd8 17. Rad1 Rxd6 18. Rxd6 Rd8 19. Nb5 a6 20. Rxd8+ Nxd8 21. Nd6 b5 22. Bd3 Bc6 23. Ba3 Nb7 *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.4"]
[White "Tran, Tuan Minh"]
[Black "Nguyen, Ngoc Truong Son"]
[Result "*"]
[WhiteElo "2556"]
[BlackElo "2647"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,43,-14,5,-20,-29,-21,-34,-41,-17,-20,-30,-75,-5,-35,-7,-3,6,0,0,0,0,-14,-20,-51,0,-16,-20,-15,-13,-259,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 Re8 6. Bd2 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} (6. a3 Bf8 7. d5 d6 8. g3 exd5 9. cxd5 c5 10. Bg2 Nbd7 11. O-O c4 12. Nd4 Nc5 13. Qe2 Nd3 14. b3 Nxc1 15. Rfxc1 cxb3 {½-½ (74) Caruana,F (2822)-So,W (2780) Saint Louis 2018}) 6... d5 {LiveBook: 3 Games} 7. Nf4 $146 ({Predecessor:} 7. Ng3 c5 8. a3 Bxc3 9. Bxc3 cxd4 10. Qxd4 e5 11. Qd2 Nc6 12. b4 Be6 13. b5 {½-½ (66) Fedoseev,V (2713)-Van Foreest,J (2617) Hoogeveen 2018}) 7... c5 8. a3 {Black has an edge.} Bxc3 $1 9. bxc3 Nc6 10. cxd5 exd5 11. Be2 h6 (11... c4 $17) 12. O-O Bf5 13. dxc5 Qe7 14. c4 Rad8 15. cxd5 Nxd5 16. Nxd5 Rxd5 17. Bc4 Rd7 (17... Rxc5 $15 18. Qb3 {[#]} b5 $1 {[%mdl 512]}) 18. Qc1 Red8 19. Bb4 Be4 20. Bb5 $2 {[#]} (20. h3 $11 {and White is okay.}) 20... Qg5 $2 (20... Nxb4 $19 21. axb4 Rd2) 21. f3 $11 Bd3 22. Bxd3 {Precision: White = 40%, Black = 49%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.5"]
[White "Van Wely, Loek"]
[Black "Xu, Yi"]
[Result "*"]
[ECO "A06"]
[WhiteElo "2612"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,38,-16,0,0,0,-12,0,-3,0,-10,7,12,11,-6,0,-39,0,-33,-39,-38,-15,-24,12,1,9]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 b5 9. exd5 {C00: French: Unusual White 2nd moves} Nxd5 10. Ne4 Bb7 11. Bg5 f6 12. Bd2 e5 13. c3 {[#]} Kh8 $146 ({Predecessor:} 13... a6 14. Nh4 f5 15. Ng5 Qd7 16. c4 bxc4 17. dxc4 {1-0 (39) Nepomniachtchi,I (2751)-Geller,J (2505) Sochi 2017}) 14. a4 b4 15. h4 h6 16. Be3 Nxe3 17. Rxe3 bxc3 18. bxc3 c4 19. d4 exd4 *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.6"]
[White "Karthik Venkataraman"]
[Black "Popov, Ivan"]
[Result "*"]
[WhiteElo "2494"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,43,12,16,26,4,0,0,0,3,-5,0,-13,-4,-13,-7,-13,-14,-18,-15,-16,-8,-8,-9,-9,-9,-7,0,-39]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Nd2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (10. a3 {looks sharper.} b5 11. b4 Be7 12. Be2 O-O 13. Bb2) (10. Be2 O-O 11. Bd2 Bd7 12. Rac1 Ba7 13. Ng5 Rfd8 14. Nce4 Nxe4 15. Nxe4 Be8 16. Be1 Rxd1 17. Bxd1 Ne5 {½-½ (38) Jakovenko,D (2710)-Giri,A (2762) Antalya 2017}) 10... O-O 11. Nde4 {The position is equal.} Nxe4 12. Nxe4 Be7 $1 13. b3 {[#]} b5 $146 ({Predecessor:} 13... Rd8 14. Bb2 b5 15. Rxd8+ {½-½ (15) Lintchevski,D (2560)-Sadzikowski,D (2506) Krakow 2016}) 14. Be2 Rd8 15. Bb2 Bb7 16. Bf3 Nb4 17. Kf1 Bd5 18. Ba3 Kf8 19. Ng5 Bxf3 20. Rxd8+ Rxd8 21. Nxf3 Rc8 22. Nd4 {Accuracy: White = 52%, Black = 73%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.7"]
[White "Shyaamnikhil P"]
[Black "Demchenko, Anton"]
[Result "*"]
[WhiteElo "2429"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,53,0,20,18,14,10,8,17,25,-4,-7,-12,4,7,8,0,22,9,19,8,15,0,0,0,0,0,0,-20,-32,-31,-25,-37,-27,-58,-31,-77,-43,-72,-26,-61,-31,-62,-38,-54]} 1. Nf3 Nf6 2. g3 d6 3. d4 g6 4. Bg2 Bg7 5. O-O O-O 6. a4 a5 7. Re1 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} Nc6 (7... Nbd7 8. e4 e5 9. Nc3 Re8 10. h3 c6 11. Be3 exd4 12. Bxd4 Qc7 13. Qd2 Ne5 14. Nh2 Nc4 15. Qg5 Qd8 16. Na2 h6 17. Qc1 c5 18. Bc3 Nb6 19. b3 d5 20. exd5 Nbxd5 {½-½ (39) Rapport,R (2720)-Mamedyarov,S (2747) Reykjavik 2016}) 8. d5 Nb4 9. e4 {The position is equal.} e5 10. c3 Na6 11. Nfd2 Nc5 12. Nb3 Nxb3 13. Qxb3 Ng4 $146 ({Predecessor:} 13... Nd7 14. Qc2 f5 15. exf5 gxf5 {½-½ (66) Cosma,E (2328)-Socko,M (2431) Germany 2014}) 14. h3 Nh6 15. Nd2 Kh8 16. Qd1 f5 17. exf5 gxf5 18. f4 Nf7 19. Nf1 Bd7 20. Be3 Qf6 21. Kh2 Rae8 22. Qb3 Bc8 23. Qb5 b6 24. Rac1 Re7 25. b4 Rfe8 26. bxa5 bxa5 27. Bd2 {Accuracy: White = 43%, Black = 70%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.8"]
[White "Predke, Alexandr"]
[Black "Le, Quang Long"]
[Result "*"]
[WhiteElo "2611"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,40,44,55,31,29,13,87,89,85,82,66,67,77,66,79,58,78,45,49,0,107,114,143,136,143,109,132,154,137,108,160,158,145]} 1. e4 c6 2. d4 d5 3. Nc3 h6 4. Bd3 (4. f3 b5 5. Be3 b4 6. Nce2 dxe4 7. fxe4 Nf6 8. Ng3 h5 9. Bd3 Ng4 10. Qd2 h4 11. N3e2 e5 12. dxe5 Nxe5 {1-0 (36) Socko,B (2631)-Hillarp Persson,T (2546) Stockholm 2013}) 4... dxe4 5. Nxe4 Bf5 6. Nf3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} e6 7. Bf4 Nf6 (7... Bxe4 $11 8. Bxe4 Nf6) 8. Nxf6+ $16 {White is better.} gxf6 $146 ({Predecessor:} 8... Qxf6 9. Be5 Qg6 10. Nh4 Qg5 11. Nxf5 exf5 12. Qe2 Be7 {0-1 (48) Bezuidenhout,J-Grobler,S Durban 2014}) 9. Bxf5 Qa5+ 10. Qd2 Qxf5 11. O-O $36 {[%mdl 2048] White has good play.} Na6 12. c3 h5 13. b4 h4 14. a4 Rd8 (14... h3 $11) 15. h3 Bd6 16. Bxd6 Rxd6 17. Qe3 Nc7 {aiming for ...Nd5.} 18. c4 Kf8 19. Rfe1 Kg7 {[#]} (19... a6 $142) 20. Nxh4 $1 {[%mdl 512]} Qg5 {Accuracy: White = 54%, Black = 52%.} (20... Rxh4 21. Qg3+) *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.9"]
[White "Bulmaga, Irina"]
[Black "Wen, Yang"]
[Result "*"]
[WhiteElo "2424"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,36,8,27,10,14,-39,-25,-54,-43,-60,-39,-36,-55,-38,-28,-26,-23,-21,-16,-17,-16,-36,0,0,80]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. a4 a5 7. O-O O-O 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (8. Bg5 Qe7 9. Nbd2 Be6 10. Qb3 Rab8 11. Rad1 h6 12. Bh4 Ba7 13. Bxe6 Qxe6 14. Bxf6 Qxb3 15. Nxb3 gxf6 {1-0 (45) Adams,M (2706)-McShane,L (2669) Hull 2018}) 8... h6 9. d4 (9. h3 $11) 9... Bb6 10. Bb5 $146 {Black has an edge.} ({Predecessor:} 10. d5 Ne7 11. h3 c6 12. Qb3 cxd5 13. Bxd5 Nexd5 14. exd5 Bf5 15. Na3 {1-0 (39) Villegas,J-Calle,J Barranquilla 1999}) 10... exd4 11. Nxd4 Bd7 12. Bxc6 bxc6 13. Bf4 Qb8 14. Nd2 Bxd4 15. cxd4 Qxb2 16. Nc4 Qb7 17. Qf3 Bg4 18. Qg3 {[#] And now e5 would win.} Qc8 {Accuracy: White = 38%, Black = 36%.} (18... Qb4 $11 {remains equal.} 19. Ne3 Bh5) *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.10"]
[White "Chanda, Sandipan"]
[Black "Cao, Sang"]
[Result "*"]
[WhiteElo "2534"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,42,12,10,12,-9,0,0,14,0,0,0,3,-11,-4,0,7,-16,6,0,2,18,36,-17,119,114,206]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 b6 6. Nf3 Bb7 7. Bd3 d5 8. cxd5 exd5 9. Rc1 Nbd7 10. O-O Be7 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6} 11. Qc2 (11. Ne5 c5 12. f4 Ne4 13. Be1 Ndf6 14. Bh4 cxd4 15. exd4 Rc8 16. Bxf6 Nxf6 17. Qe2 Bb4 18. Nb5 {0-1 (41) Bauer,C (2630)-Kryvoruchko,Y (2705) Switzerland 2018}) 11... c5 12. Ne5 Re8 $146 {The position is equal.} ({Predecessor:} 12... c4 13. Bf5 g6 14. Bh3 Nxe5 15. dxe5 Nd7 16. f4 Nc5 17. Ne2 Nd3 18. Rcd1 {0-1 (63) Kumar,N (2317)-Gaisinsky,A (1965) Montevideo 2017}) 13. f4 a6 14. Be1 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 15. Bh4 c4 16. Bf5 Nf8 17. Rcd1 Qd6 18. g4 $36 {[%mdl 2048] White has good play.} b4 19. Na4 Bc8 20. Nc5 (20. g5 $14 Bxf5 21. Qxf5) 20... g6 {[#]} (20... Bxf5 $11 {remains equal.} 21. Qxf5 g6) 21. Qg2 $1 $16 Ra7 {Accuracy: White = 57%, Black = 33%.} (21... N6d7 $16 {was necessary.} 22. Bxe7 Rxe7) *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.11"]
[White "Megaranto, Susanto"]
[Black "Pham, Chuong"]
[Result "*"]
[WhiteElo "2526"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,44,6,11,6,18,0,21,26,21,6,11,-14,-8,-17,38,44,34,18,26,21,19,-6,29,26,39,26,39,0,15,-86,-87,-112,-114]} 1. d4 d5 2. Bg5 Nf6 3. Nd2 Nbd7 4. Ngf3 c5 5. e3 e6 6. c3 Be7 7. Bd3 h6 8. Bf4 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} (8. Bh4 b6 9. O-O Bb7 10. a4 O-O 11. a5 c4 12. Bc2 b5 13. a6 Bc6 14. Ne5 Nxe5 15. dxe5 Nd7 16. Bxe7 Qxe7 17. f4 {½-½ (47) Vitiugov,N (2726)-Movsesian,S (2673) Tallinn 2016}) 8... b6 9. O-O Bb7 10. Ne5 {The position is equal.} Nxe5 11. Bxe5 O-O 12. Bxf6 Bxf6 13. f4 cxd4 $146 (13... g6 $11) ({Predecessor:} 13... Rc8 14. Nf3 Qd6 15. Ne5 cxd4 16. exd4 g6 17. Qg4 {½-½ (45) Duengen,W-Schmitz,J Germany 1996}) 14. exd4 $14 a5 15. a4 Ba6 16. Bxa6 Rxa6 17. f5 Ra7 18. fxe6 fxe6 19. Qb3 Raf7 20. Rae1 Qd6 21. Re2 {[#]} (21. Nf3 $11 {keeps the balance.}) 21... e5 $1 $17 22. Rd1 e4 {Accuracy: White = 14%, Black = 50%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.12"]
[White "Nasanjargal, Urtnasan"]
[Black "Chu, Wei Chao"]
[Result "*"]
[WhiteElo "2503"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,22,0,0,0,25,0,3,12,0,0,1,2,7,-3,32,20,37,46,53,37,38,0,0,0,4,0,0,-8,-10,-15,-11,-37,-8,-8,-4,-7,-7,-14]} 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 O-O 8. N5c3 e4 9. Be2 Re8 10. a3 Nbd7 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4} 11. b4 Bf8 12. Nd2 Nb6 13. Bb2 Nbxd5 14. O-O Nxc3 15. Bxc3 Nd5 16. Bd4 Bf5 $146 ({Predecessor:} 16... Qg5 17. Re1 {1-0 (35) Ikonnikov,V (2533)-Piceu,T (2321) Vlissingen 2012}) 17. Bc4 Nb6 18. Bb3 Be6 19. Bxe6 Rxe6 20. f3 exf3 $1 21. Qxf3 Qd7 22. Ne4 {Rad1 is the strong threat.} f6 23. Rad1 {[%cal Re4f6] And now Nxf6+! would win.} Qc6 24. Nc5 Bxc5 25. bxc5 Qxf3 26. gxf3 {The position is equal.} Nc4 27. Rd3 Rd8 28. Kf2 {Accuracy: White = 51%, Black = 67%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.13"]
[White "Nguyen, Anh Dung"]
[Black "Saravana, Krishnan P."]
[Result "*"]
[WhiteElo "2458"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,45,31,38,63,47,65,66,64,68,56,72,68,39,50,67,75,78,100,89,93,110,122,0,129,122,187,170,164,152,176,139,154,132]} 1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. Nc3 Bb4 5. Qc2 O-O 6. Bd2 d6 7. a3 Bxc3 8. Bxc3 a5 {E33: Nimzo-Indian: Classical: 4...Nc6} (8... Qe7 9. e3 a5 10. Be2 e5 11. dxe5 dxe5 12. h3 Rd8 13. O-O e4 14. Nd4 Nxd4 15. Bxd4 c5 16. Bc3 a4 17. f4 Bd7 {1-0 (41) Wojtaszek,R (2736)-Nisipeanu,L (2683) Dortmund 2017}) 9. e4 d5 10. e5 Ne4 {White is slightly better.} 11. Bd3 Nxc3 12. bxc3 h6 13. O-O Ne7 14. cxd5 exd5 15. Rab1 $146 ({Predecessor:} 15. Nh4 c5 16. Qb2 {0-1 (44) Doroshkievich,V-Barczay,L Lipetsk 1968}) 15... b6 16. Nh4 c5 17. f4 c4 18. Bh7+ Kh8 {[#]} 19. Bf5 $1 Bb7 (19... Bxf5 $16 {is a better defense.} 20. Nxf5 Nxf5 21. Qxf5 a4) 20. Bg4 $18 {White is clearly better.} Bc6 21. f5 {Hoping for f6.} f6 22. Rbe1 Be8 23. Qe2 {Accuracy: White = 90%, Black = 46%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.14"]
[White "Mendonca, Leon Luke"]
[Black "Miciano, John Marvin"]
[Result "*"]
[WhiteElo "2446"]
[BlackElo "2317"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,51,35,36,39,19,46,23,37,43,64,50,53,44,50,42,38,56,52,8,10,12,9,16,21,18,33,25,88,10,69,50,27,15,6,20,0,21]} 1. d4 g6 2. e4 d6 3. g3 Bg7 4. Bg2 Nf6 5. Ne2 c5 6. c3 Nbd7 7. O-O O-O 8. h3 Rb8 9. a4 b6 {B06: Modern Defence} 10. Be3 (10. Na3 a6 11. Nc4 Qc7 12. e5 Ne8 13. exd6 Nxd6 14. Bf4 cxd4 15. Nxd6 exd6 16. cxd4 Nf6 17. Rc1 {½-½ (26) Tazbir,M (2524)-Dragun,K (2561) Hucisko 2016}) 10... Bb7 11. Nd2 Ne8 $146 {White has an edge.} ({Predecessor:} 11... a6 12. f4 e6 {½-½ (12) Dolezal,R (2379)-Michalek,J (2322) Tabor 2011}) 12. b4 Kh8 13. Qb3 Nc7 14. Rad1 f5 15. exf5 {Hoping for Bxb7.} Bxg2 16. Kxg2 Rxf5 17. g4 Rf8 18. Ne4 c4 19. Qc2 Nd5 20. Bc1 Qc8 21. f4 a6 (21... b5 $11 {keeps the balance.}) 22. Rde1 (22. N2g3 $16) 22... Qc6 (22... e5 $11) 23. Kh2 $14 e5 24. dxe5 dxe5 25. f5 gxf5 26. gxf5 {Accuracy: White = 51%, Black = 53%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.15"]
[White "Kulkarni, Rakesh"]
[Black "Liu, Guanchu"]
[Result "*"]
[ECO "B00"]
[WhiteElo "2298"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,44,22,26,27,-14,-18,-16,21,9,22,21,20,3,4,14,57,51,45,46,85,0,0,-15,-35,-31,-35,-34,-25,-46,-43]} 1. e4 e6 2. d4 d5 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 Qb6 8. a3 cxd4 9. cxd4 f6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 10. Nf4 fxe5 11. Nxe6 Nf6 {The position is equal.} 12. dxe5 Bxe6 $146 ({Predecessor:} 12... Ng4 13. Qxd5 Qxf2+ 14. Kd1 Qb6 15. Bc4 Bd7 16. Bg5 Ne7 17. Nxg7+ {1-0 (36) Benjamin,J (2563)-Schneider,D (2466) Philadelphia 2005}) 13. exf6 O-O-O 14. Bd3 {Threatening Bg5.} gxf6 15. O-O Bd6 16. Re1 Bg4 17. h3 $36 {[%mdl 2048] Black is under pressure.} Bd7 18. Qc2 (18. b4 $16) 18... Kb8 $11 19. Bf5 Ne5 {[#] White must now prevent ...Nxf3+.} 20. Nh4 d4 21. Bxd7 Rxd7 22. Bf4 d3 {Accuracy: White = 61%, Black = 90%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.16"]
[White "Quizon, Daniel"]
[Black "Zhao, Yuanhe"]
[Result "*"]
[WhiteElo "2268"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,56,20,37,39,31,-1,37,9,25,15,38,44,44,47,23,20,12,-11,-11,-15,17,-7,-11,0,0,-35,56,12,104,106,132,131,128,121,119,112,105,6,5,6,8,6,6,6,6,6,137]} 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 d5 5. exd5 exd5 6. d4 Bg4 {White must now prevent ...cxd4.} 7. Bg2 $1 {B23: Closed Sicilian: Lines without g3} Nxd4 8. O-O (8. h3 $5 {[%cal Rh3g4]} Bf3 9. Kf1 $14) 8... Nf6 9. h3 {White is slightly better.} (9. f3 $5 {[%cal Rf3g4]} Be6 10. Nxd4 cxd4 11. Ne2 $11 (11. Qxd4 Rc8 $11)) (9. f3 Be6 10. Nxd4 cxd4 11. Nb5 Bc5 12. Nxd4 O-O 13. Kh1 Re8 14. c3 h6 {1-0 (24) Pancevski,F (2410)-Djukic,N (2508) Paracin 2011}) 9... Nxe2+ 10. Nxe2 Be6 11. Nf4 Qd7 12. Re1 $146 ({Predecessor:} 12. Qf3 Bd6 13. g4 O-O 14. Rd1 Rad8 {0-1 (32) Gombac,J (2230)-Stubljar,A Ljubljana 2001}) 12... O-O-O 13. Nxe6 fxe6 14. Qe2 Re8 15. c4 Bd6 16. Bg5 h6 17. Bxf6 $1 gxf6 18. cxd5 exd5 (18... e5 $1 $15) 19. Qf3 Be5 (19... Rxe1+ $11 20. Rxe1 Be5) 20. Rac1 $16 Bd4 {[#]} 21. Red1 $1 {[%cal Rd1d4]} Kb8 {[#]} 22. b4 $1 {[%cal Rb4c5]} Re5 {aiming for ...Rf5.} 23. bxc5 Rf5 24. Qb3 (24. c6 $16 bxc6 25. Qb3+ Bb6 26. Rc2) 24... Bxf2+ $11 {The position is equal.} 25. Kh1 Rc8 $132 {[%mdl 2048] Black puts up resistance} 26. c6 Rxc6 27. Rxc6 Qxc6 28. Bxd5 Qb6 {Accuracy: White = 56%, Black = 38%.} (28... Qc8 $1 $11 29. Be6 Qc6+ 30. Kh2 Qf3 31. Rd8+ Kc7 32. Rd7+ Kb8 33. Rxb7+ (33. Rd8+ Kc7 $11) 33... Qxb7 34. Bxf5 Qxb3 35. axb3 Kc7) *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.17"]
[White "Nguyen, Anh Khoi"]
[Black "Nguyen, Dang Hong Phuc"]
[Result "*"]
[WhiteElo "2484"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,50,11,2,10,8,23,27,24,10,11,18,10,13,31,13,67,67,50,71,75,68,80,80,118,110,110,110,101,84,83,80,139,139,166]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O c6 8. Qc2 b6 9. Rd1 Nbd7 10. b3 Bb7 {E11: Bogo-Indian} 11. Nc3 Rc8 12. e4 (12. Bf4 c5 13. Nb5 cxd4 14. Nd6 Bxd6 15. Bxd6 Re8 16. Nxd4 Nc5 17. Bxc5 Rxc5 18. Qb2 e5 19. Nb5 Qb8 20. e3 h5 {0-1 (33) Meier,G (2648)-Naiditsch,A (2701) Karlsruhe/Baden-Baden 2018}) 12... dxe4 {White has an edge.} 13. Nxe4 c5 14. Nxf6+ Nxf6 15. Bf4 Be4 16. Qe2 Qe8 (16... Bxf3 $11 17. Bxf3 cxd4) 17. Ne5 $14 Bxg2 18. Kxg2 cxd4 19. Rxd4 Rd8 $146 20. Rxd8 Bxd8 21. Rd1 Bc7 22. Qf3 Qa8 23. Qxa8 Rxa8 24. Kf3 a5 (24... Kf8 $142) 25. Nd7 $16 Rd8 *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.18"]
[White "Setyaki, Azarya Jodi"]
[Black "Nguyen, Duc Hoa"]
[Result "*"]
[WhiteElo "2378"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,43,35,35,27,56,41,45,24,38,28,37,32,41,69,38,17,31,0,55,-22,0,-56,0,-133,-91,-132,-132,-119,0,-40,0,0,118,110]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (7. Qd2 b5 8. O-O-O Nxd4 9. Bxd4 Bb7 10. f3 Nf6 11. Qg5 Rc8 12. Bd3 h6 13. Qg3 Qxg3 14. hxg3 Bc5 15. Ne2 Bxd4 16. Nxd4 {½-½ (32) Radjabov,T (2757)-Rapport,R (2731) Wijk aan Zee 2019}) 7... Ne5 8. Qg3 h5 9. O-O-O {Hoping for Nf3.White is slightly better.} h4 10. Qh3 $1 b5 11. f4 Nc4 12. Bxc4 $1 Qxc4 13. Kb1 Bb7 14. f5 Nf6 (14... Rc8 $1 $11) 15. e5 $146 (15. Rhe1 $1 $14) 15... Ne4 $11 16. Nce2 (16. Rd3 $11) 16... Rc8 ({Black should try} 16... Bd5 $1 $15 17. b3 Qc7) 17. Qg4 (17. Rhf1 $11 {keeps the balance.}) 17... Bd5 18. b3 Qc7 19. Rhf1 Rh7 (19... h3 $17 {aiming for ...hxg2.} 20. gxh3 Qxe5) 20. Bc1 $15 Bb4 (20... h3 $5 21. g3 Qxe5 $17) 21. Qf4 Rh5 {[#]} (21... Qb7 $11) 22. Bb2 $1 {Accuracy: White = 58%, Black = 53%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.19"]
[White "Tran, Quoc Dung"]
[Black "Pascua, Haridas"]
[Result "*"]
[ECO "A40"]
[WhiteElo "2376"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,36,0,2,-35,-39,-86,-18,-10,-4,-5,-6,-26,-29,-40,-34,-30,-14,-31,49]} 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. O-O Nc6 8. dxc5 dxc5 9. Be3 Be6 10. Bxc5 Qa5 11. Na4 $146 {E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White} ({Predecessor:} 11. Ba3 Rfd8 12. Qb3 Qa6 13. Nb5 Rac8 14. Rad1 Rxd1 15. Rxd1 Na5 16. Qa4 Nxc4 17. Qxa6 bxa6 18. Nbd4 Bd5 19. Bxe7 Nxb2 {½-½ (61) Kovalyov,A (2613)-Flores,D (2567) Montevideo 2015}) 11... Bxc4 12. b3 Ne4 ({Black should play} 12... Rfd8 $17 13. Qe1 Qa6 14. bxc4 Qxa4) 13. Rc1 $11 {The position is equal.} Rfd8 14. Qe1 Qxe1 15. Rfxe1 Bd5 {[#] Threatens to win with ...b5.} 16. Be3 Nb4 17. a3 Na2 18. Rc7 e6 (18... Nf6 $15) *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.20"]
[White "Tokhirjonova, Gulrukhbegim"]
[Black "Pham, Le Thao Nguyen"]
[Result "*"]
[WhiteElo "2434"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,51,38,22,35,3,15,14,20,-9,8,-14,-11,-13,7,-14,0,-16,2,-16,-6,-21,-8,-14,-11,-11,-10,-11,0,0,0,-18,-14,-12,-16,-15,0,0,0,0,0,-9,188,193]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (6... Be7 7. Bd3 O-O 8. O-O Nc6 9. Re1 Nb4 10. Bc4 d5 11. Bb3 c6 12. Ne2 Ne4 13. c3 Na6 14. Ng3 Nd6 15. Bc2 Nc7 {½-½ (33) Giri,A (2780)-Yu,Y (2764) Shenzhen 2018}) 7. Be2 Be7 8. O-O O-O {The position is equal.} 9. Ne5 Bf5 10. Bf4 $146 ({Predecessor:} 10. Bd3 Bxd3 11. Qxd3 c6 12. Re1 Nbd7 13. Bg5 Re8 14. Re2 Nxe5 15. Rxe5 {1-0 (51) Malik,A (2001)-Szabo,E (1861) Hungary 2014}) 10... c6 11. Bd3 Bg6 12. a3 Nbd7 13. Re1 Re8 14. Bxg6 hxg6 15. Qd3 Nf8 16. Re2 Bd6 17. Rae1 Qc7 18. Bg3 Nh5 19. Nf3 Rxe2 20. Rxe2 Nxg3 21. hxg3 Rd8 {[%cal Ba8d8,Bd8d7,Bd7e7][%mdl 32]} 22. Nd1 {[%cal Bc3d1,Bd1e3,Be3d5][%mdl 32]} Rd7 23. Ne3 $36 {[%mdl 2048] White has the initiative.} Re7 24. c4 dxc4 25. Qxc4 Nd7 $2 {[#]} (25... Nh7 $11 {and Black has nothing to worry.}) 26. Nd5 $1 {[%mdl 576] Double Attack, Pin, Discovered Attack. Accuracy: White = 41%, Black = 45%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.21"]
[White "Li, Yankai"]
[Black "Wang, Shixu B"]
[Result "*"]
[ECO "E04"]
[WhiteElo "2434"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,36,-8,-13,0,0,0,0,27,26,68,52,52,52,70,66,71,71,73]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bb4+ 6. Bd2 a5 7. Qc2 {E04: Open Catalan: 5 Nf3} b5 (7... Bxd2+ 8. Qxd2 c6 9. Ne5 b5 10. a4 Ra6 11. Nc3 Bd7 12. Nxd7 Qxd7 13. axb5 cxb5 14. Qg5 O-O 15. Qxb5 Qxd4 {½-½ (27) Postny,E (2615)-Anand,V (2773) St Petersburg 2018}) 8. a4 Bxd2+ 9. Nbxd2 c6 10. b3 cxb3 11. Nxb3 {LiveBook: 20 Games} O-O 12. O-O Ba6 13. Rfd1 Nbd7 $146 ({Predecessor:} 13... bxa4 14. Nc5 Bb5 15. Ne5 {0-1 (47) Drazic,S (2546)-Brunello,S (2497) Skanderborg 2010}) 14. Ne5 Nxe5 15. dxe5 Nd5 16. Qxc6 bxa4 17. Nc5 Bxe2 {[#]} 18. Nxe6 $1 {[%mdl 512]} Qc8 (18... fxe6 19. Qxe6+) *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.22"]
[White "Laylo, Darwin"]
[Black "Vo, Thanh Ninh"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2430"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,52,-23,-26,-21,-15,-29,-29,-36,-18,-29,-14,-22,0,0,0,0,9,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. h3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Na6 10. Nd5 Rd6 {E90: King's Indian: Classical: Early deviations and 6 h3} 11. Bxf6 Bxf6 12. b4 (12. Rc1 b6 13. b4 c6 14. Nxf6+ Rxf6 15. a3 c5 16. b5 Nc7 17. Rd1 a6 18. Rd8+ {0-1 (44) Wang,Y (2690)-Saric,I (2669) Riadh 2017}) 12... c6 13. Nxf6+ Rxf6 14. a3 c5 {LiveBook: 8 Games} 15. b5 Nc7 16. Be2 Re6 17. O-O f6 $146 ({Predecessor:} 17... Re8 18. Rfd1 {0-1 (43) Sogorin,V-Kinchant,K (2292) ICCF email 2011}) 18. Rfd1 Kf7 19. a4 {The position is equal.} a5 20. Ne1 Re7 21. Nc2 $36 {[%mdl 2048] White has good play.} Rd7 22. Rxd7+ (22. Bg4 {feels hotter.} f5 23. exf5 gxf5 24. Bf3 e4 25. Bh5+) 22... Bxd7 23. Rd1 Ke7 24. Ne3 Rd8 25. Bg4 Be8 26. Rxd8 Kxd8 {Precision: White = 61%, Black = 57%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.23"]
[White "Rohith, Krishna S"]
[Black "Laxman, R.R."]
[Result "*"]
[WhiteElo "2363"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,74,24,27,27,42,36,52,14,23,16,22,18,26,-12,24,24,24,19,22,19,12,20,27,18,59,39,77,77,66,72,69,70,90,83,103,97,79,62,88,65,56,0,10,10,38,0,0,0,18,0,0,0,0,-75,-85,-164,-168,-159,-92,-154,-145]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 d5 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Bb2 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6} (9. Re1 Nc6 10. Bb2 Nd5 11. Qc2 cxd4 12. Nxd4 Nf6 13. Nxc6 bxc6 14. c4 Bf5 15. Qc1 Qc7 16. Nc2 Rab8 {1-0 (39) Mamedyarov,S (2809)-Grischuk,A (2767) Berlin 2018}) 9... cxd4 10. cxd4 Nc6 11. Nc4 {White is slightly better.} Be6 12. Rc1 $146 ({Predecessor:} 12. Nfe5 Nxe5 13. Nxe5 Bd5 14. Qa4 h5 15. Rac1 h4 16. Bxd5 Qxd5 17. Qc4 hxg3 18. hxg3 Qxc4 19. Rxc4 Rfc8 20. Rfc1 Rxc4 21. Rxc4 Ne8 {½-½ (21) Gholami Orimi,M (2279)-Firouzja,A (2527) Sari 2017}) 12... Bd5 13. a3 Rb8 14. Qd2 Ne4 15. Qd3 Nd6 16. Nxd6 exd6 17. e4 Be6 18. Bc3 d5 19. e5 Bf5 20. Qd2 Be4 21. Nh4 $36 {[%mdl 2048] Hoping for f3. White is really pushing.} Bxg2 22. Nxg2 f6 {[%cal Rf6e5]} 23. f4 fxe5 24. dxe5 d4 25. Bb4 Nxb4 26. Qxb4 Qd5 27. Rfd1 Rfd8 28. Rc5 (28. Ne3 $5 {[%cal Re3d5]} Qf3 29. Nf1 $14) 28... Qa2 29. Rd2 Qf7 {And now ...Bf8 would win.} 30. Rc1 ({Not} 30. Rxd4 Bf8 $17) 30... Bf8 31. Qb2 b6 32. Ne1 Rbc8 33. Nd3 Qd5 34. Kf2 {[#]} (34. Nf2 $11) 34... Rc3 $1 $17 {[%mdl 512]} 35. Re1 (35. Rb1 $17) (35. Rxc3 dxc3) 35... Bxa3 $19 36. Qb1 Qe6 ({Black should try} 36... b5 37. Kg1 Qc4) 37. Qd1 (37. Qb5 $142) 37... b5 {Accuracy: White = 46%, Black = 58%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.24"]
[White "Tu, Hoang Thong"]
[Black "Raghunandan, Kaumandur Srihari"]
[Result "*"]
[WhiteElo "2416"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,36,18,40,31,38,26,54,22,58,44,74,64,93,80,97,80,108,123,115,96,141,113,121]} 1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 O-O 5. g3 d6 6. Bg2 e5 7. d3 Nc6 8. b5 {A15: English Opening: 1...Nf6} Ne7 {LiveBook: 5 Games} 9. Nbd2 (9. O-O h6 10. Nbd2 Be6 11. Qc2 Nd7 12. d4 f5 13. dxe5 dxe5 14. e4 f4 15. c5 c6 16. Nc4 Qb8 17. b6 axb6 18. Nxb6 Nxb6 19. cxb6 {1-0 (42) Akopian,V (2673)-Tukhaev,A (2512) Plovdiv 2008}) 9... h6 10. Qc2 $146 {White is slightly better.} ({Predecessor:} 10. O-O c5 11. bxc6 Nxc6 12. Rb1 Be6 13. Qa4 Qd7 14. Qb5 Rab8 15. c5 Ne8 {½-½ (48) Karbowiak,A (2219)-Szumilas,P (2127) Chotowa 2007}) 10... Nd7 11. d4 exd4 12. Nxd4 Nc5 13. O-O Bg4 14. Rfe1 Rb8 15. Rad1 Re8 16. N4b3 Bf5 17. Qc1 {[#] Hoping for Bxg7.} Nc8 18. Bxg7 Kxg7 {Precision: White = 78%, Black = 12%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.25"]
[White "Rathnakaran, K.."]
[Black "Nitin, S.."]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2361"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,26,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Na5 $146 11. Qa4+ Nc6 12. Qb3 Na5 13. Qa4+ Nc6 $1 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.26"]
[White "Xu, Minghui"]
[Black "Rahul Srivatshav P"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2293"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,42,17,18,25,30,36,0,0,0,0,0,0,0,0,0,0,-33,-10,-19,0,-45,0,-16,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Be3 c6 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} 11. Qa4 {LiveBook: 8 Games} Qe7 (11... Be6 12. Rfd1 Qc7 13. b4 Nd7 14. c5 Rfe8 15. Qc2 Bf8 16. a3 Rad8 17. Na4 Nf6 {½-½ (37) Landa,K (2618)-Adhiban,B (2663) Stockholm 2016}) 12. b4 Rd8 {White has an edge.} 13. Rfd1 Rxd1+ $146 ({Predecessor:} 13... Be6 14. Rxd8+ Qxd8 15. Rd1 Nd7 16. c5 Bf8 17. Qc2 Qc7 {½-½ (25) Polyik,P (2264)-Srinath,R (2367) Budapest 2018}) 14. Rxd1 Bf8 15. Bc5 Qc7 16. Bxf8 ({But not} 16. Bxa7 $2 b5 $19) 16... Kxf8 17. c5 Be6 18. Rd6 Ne8 19. Rd1 Nf6 20. Rd6 Ne8 21. Rd1 Nf6 {Precision: White = 70%, Black = 52%.} 1/2-1/2

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.27"]
[White "Zou, Chen"]
[Black "Tran, Minh Thang"]
[Result "*"]
[ECO "B40"]
[WhiteElo "2397"]
[BlackElo "2343"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,49,5,19,20,48,52,33,41,94,98,120,126,150,146,143,64,60,0,0,-26,-21,-22,-21,-38,-28,-35,-37,-80]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. O-O Bg7 7. Be3 Ne7 8. c4 O-O 9. Nc3 d5 10. cxd5 exd5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Rc1 {B42: Sicilian: Kan Variation: 5 Bd3} Nd7 14. Bc4 Qa5 {[#]} 15. b4 $146 {White is slightly better.} ({Predecessor:} 15. Ne6 fxe6 16. Bxe6+ Kh8 17. Bxd7 Bxd7 18. Qxd7 Qxa2 19. Rc7 Qxb2 20. Rd1 Rae8 {1-0 (31) Sulskis,S (2525)-Kulaots,K (2525) Tallinn 2007}) 15... Qxb4 {[#]} (15... Qd8 $14) 16. Nf3 $1 $16 Qa5 {[#]} 17. Re1 $1 {[%mdl 1024] White has strong compensation.} Qf5 18. Bb3 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 19. Rc7 (19. a4 $16) 19... a4 $1 $14 {[%cal Ra4b3]} 20. Bc2 (20. Bc4 $1 $14) 20... Qb5 $1 $11 21. h4 Ne5 22. Nxe5 Qxe5 23. Bb6 Bg4 24. Rxe5 Bxd1 25. Rec5 {Accuracy: White = 70%, Black = 62%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.28"]
[White "Tobing, Daniel Hermawan Lum"]
[Black "Hoang, Canh Huan"]
[Result "*"]
[WhiteElo "2050"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,42,34,27,20,21,-48,-53,-56,-48,-61,-48,-36,-41,-75,-56,-139,-135,-139,-139,-139,-139,-139,-144,-145,-145,-139,-127,-144,-147,-170,-159]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Bd3 e6 7. O-O Be7 8. c4 {B32: Sicilian: Löwenthal and Kalashnikov Variations} (8. Nc3 Qc7 9. f4 d6 10. a4 b6 11. Nb5 Qb8 12. Qe2 O-O 13. Bd2 Bb7 14. Rae1 a6 15. N5d4 Qc7 16. Kh1 {½-½ (39) Movsesian,S (2659)-Azarov,S (2595) Minsk 2015}) 8... d5 9. Nc3 (9. cxd5 $11 exd5 10. Nc3) 9... d4 $15 10. c5 {Black is slightly better.} Qd8 $1 ({Not} 10... Bxc5 $2 11. Na4 $18) 11. Nb5 e5 12. Bg5 O-O 13. Rc1 Be6 {[#]} 14. Nd2 $146 {[#]} (14. Nd6 $15) ({Predecessor:} 14. Qe1 Nd7 15. Bxe7 Qxe7 {½-½ (100) Oral,T (2526)-Zhigalko,A (2555) Czechia 2011}) 14... Nd7 $1 $17 15. Bxe7 Qxe7 16. Nc7 Nxc5 17. Nxe6 Nxd3 18. Nxf8 Nxc1 ({Stronger than} 18... Kxf8 19. Rb1 $14) 19. Qxc1 Rxf8 20. Nb3 Rc8 21. f4 Qd8 {Accuracy: White = 36%, Black = 92%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.29"]
[White "Sukandar, Irine Kharisma"]
[Black "Pranesh, M."]
[Result "*"]
[WhiteElo "2381"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,14,47,14,34,12,12,0,0,0,23,18,19,23,17,20,22,15,25,25,37,35,42,42,46,45,58,62,80,80,96,75,83,73,66,44,91,59,115,44,41,28,130,0,102,-50,-8,-19,-14,-68,0,-10,-3,-14,-19,-10,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d6 (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. h3 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} h6 7. O-O {Strongly threatening d4.} O-O 8. d4 Bb6 9. Re1 Ne7 10. Bd3 Ng6 11. Be3 c6 12. Nbd2 Re8 13. Qc2 Be6 $146 14. Rad1 Qe7 15. b4 Qc7 16. c4 exd4 17. Nxd4 Bxd4 18. Bxd4 Nd7 19. Be3 Ne7 20. Nb3 c5 21. f4 {Hoping for f5.} f6 22. Be2 Rad8 23. b5 b6 (23... Bf7 $14) 24. Bf3 (24. Bh5 $16) 24... f5 $1 $14 25. Bc1 Nf6 {[#]} (25... fxe4 $1 $11 {keeps the balance.} 26. Bxe4 Nf6) 26. Bb2 (26. Nd2 $1 $16) 26... Nxe4 {[#]} (26... fxe4 $11 27. Bxf6 (27. Bxe4 Nxe4 28. Qxe4 Nf5 $11) 27... gxf6) 27. Bxe4 $2 (27. Nd2 $1 $16) 27... fxe4 $15 28. Qxe4 Bf7 29. f5 (29. Qf3 $11) 29... Qc8 (29... d5 $15 30. Qg4 d4) 30. Rf1 $11 {Threatens to win with Qg4.The position is equal.} Nxf5 31. Qxf5 Qxf5 32. Rxf5 {Black must now prevent Nd2.} Bxc4 {Accuracy: White = 49%, Black = 31%.} *

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.30"]
[White "Nandhidhaa, P V"]
[Black "Navalgund, Niranjan"]
[Result "1-0"]
[WhiteElo "2240"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,48,19,0,0,0,0,-37,20,-15,-7,-20,11,0,2,-12,4,25,73,73,132,142,172,179,213,203,335,356,345,325,332,330,325,337,390,379,611,595,565]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 c5 6. e4 d6 7. Nh4 Nc6 {A05: Réti Opening: 1 Nf3 Nf6} 8. f4 Be7 9. Be3 (9. c4 a6 10. Nc3 b5 11. b3 Nd7 12. cxb5 axb5 13. Nxb5 Ba6 14. Nc3 Bxh4 15. gxh4 Qxh4 {1-0 (38) Pikula,D (2455)-Novkovic,M (2374) Wuerttemberg 2015}) 9... Qc7 $146 (9... d5 $15) ({Predecessor:} 9... O-O 10. Nd2 Qc7 11. h3 a5 12. a3 d5 13. e5 Nd7 14. Qg4 b5 15. c3 {1-0 (33) Schatz,H (2339)-Vehlow,B (2172) Remote email 2014}) 10. Nd2 O-O-O 11. c3 Ba6 12. Qe2 Kb8 13. Rfc1 d5 {Hoping for ...dxe4.} 14. e5 Ne8 15. Nhf3 f6 (15... Qd7 $142) 16. b4 $16 fxe5 {With the idea ...e4.} 17. bxc5 bxc5 18. Nxe5 Nd6 (18... Nxe5 {was necessary.} 19. fxe5 Ka8) 19. Nxc6+ Qxc6 20. c4 Nb7 21. Rab1 Ka8 22. f5 exf5 23. cxd5 Rxd5 $2 {[#]} (23... Qe8 24. Qf2 Bd6) 24. Nc4 Rhd8 {Accuracy: White = 60%, Black = 38%.} 1-0

[Event "9th HDBank Open 2019"]
[Site "Ho Chi Minh City"]
[Date "2019.03.10"]
[Round "6.30"]
[White "Nandhidhaa, P V"]
[Black "Navalgund, Niranjan"]
[Result "*"]
[WhiteElo "2240"]
[BlackElo "2378"]
[Annotator "NA"]
[PlyCount "48"]
[EventDate "2019.03.07"]
[EventType "swiss"]
[EventCountry "VIE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:01:52]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:05]} b6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:31]} Bb7 {[%emt 0:00:03]} 4. O-O {[%emt 0:00:17]} e6 {[%emt 0:00:17]} 5. d3 {[%emt 0:00:10]} c5 {[%emt 0:00:29]} 6. e4 {[%emt 0:00:34]} d6 {[%emt 0:00:06]} 7. Nh4 {[%emt 0:02:15]} Nc6 {[%emt 0:02:29]} 8. f4 {[%emt 0:00:56]} Be7 {[%emt 0:00:59]} 9. Be3 {[%emt 0:01:09]} Qc7 {[%emt 0:05:55]} 10. Nd2 {[%emt 0:01:19]} O-O-O {[%emt 0:01:32]} 11. c3 {[%emt 0:00:51]} Ba6 {[%emt 0:07:53]} 12. Qe2 {[%emt 0:08:25]} Kb8 {[%emt 0:03:29]} 13. Rfc1 {[%emt 0:01:01]} d5 {[%emt 0:01:55]} 14. e5 {[%emt 0:00:24]} Ne8 {[%emt 0:00:44]} 15. Nhf3 {[%emt 0:02:17]} f6 {[%emt 0:04:59]} 16. b4 {[%emt 0:05:17]} fxe5 {[%emt 0:21:18]} 17. bxc5 {[%emt 0:05:55]} bxc5 {[%emt 0:08:58]} 18. Nxe5 {[%emt 0:05:30]} Nd6 {[%emt 0:10:50]} 19. Nxc6+ {[%emt 0:06:50]} Qxc6 {[%emt 0:00:03]} 20. c4 {[%emt 0:00:14]} Nb7 {[%emt 0:07:25]} 21. Rab1 {[%emt 0:00:52]} Ka8 {[%emt 0:00:53]} 22. f5 {[%emt 0:06:31]} exf5 {[%emt 0:01:41]} 23. cxd5 {[%emt 0:00:09]} Rxd5 {[%emt 0:02:47]} 24. Nc4 {[%emt 0:05:29]} Rhd8 {[%emt 0:04:59]} *

