[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Melkumyan, Hrant"]
[Black "Zhang, Lanlin"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2669"]
[BlackElo "2179"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,95,0,2,0,0,0,-5,-4,6,10,11,11,14,10,37,34,27,30,35,37,37,64,78,58,64,77,73,88,92,93,129,120,132,112,135,134,128,128,134,133,185,175,258,172,191,189,343,341,445,446,459,465,465,462,458,463,455,445,387,415,471,435,550,541,859,839,6279,6299,6295,6211,6252,6211,6211,6211,6207,6207]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 a6 10. d3 f5 11. Be3 Be6 {LiveBook: 3 Games} 12. Nd2 {A29: English Opening: Four Knights Variation with 4 g3} (12. Bc5 Bd6 13. Rc1 Qe7 14. Na4 Nd5 15. e4 fxe4 16. dxe4 Nf6 17. Ng5 Rad8 18. Nxe6 Qxe6 19. Qc2 Nd7 20. Bxd6 cxd6 {0-1 (54) Moravec,V (2180)-Mikalsen,E (2319) Liberec 2016}) 12... Rb8 $146 ({Predecessor:} 12... Kh8 13. Nb3 Nd5 14. Nxd5 Bxd5 15. Bxd5 Qxd5 16. f3 a5 17. Nxa5 Nxa5 18. bxa5 Rxa5 19. a4 Rfa8 {½-½ (74) Szczecina,M (2069)-Malecki,R (2201) Wysowa 2003}) 13. Nb3 Nd5 14. Bd2 {The position is equal.} Nxc3 15. Bxc3 Bd5 16. e4 fxe4 17. Bxe4 Bxe4 18. dxe4 Qxd1 19. Rfxd1 Rf3 20. Rac1 Rbf8 21. Rc2 b6 22. Kg2 Bd6 23. Nc1 R3f7 24. Nd3 {Hoping for Ba1.} Re8 25. Nb2 Na7 26. Nc4 Nc8 27. Bd2 h6 28. Be3 Bf8 29. h4 Kh7 30. h5 Re6 {[#]} (30... Rf6 $16) 31. Rd8 $1 $18 {[%cal Rd8c8]} Ne7 (31... Nd6 {was worth a try.}) 32. Rcd2 Ng8 33. R2d5 Be7 $2 (33... Nf6 34. Nxe5 (34. Rxe5 Rc6 $16) 34... Nxd5 35. Nxf7 (35. Rxd5 Rff6 $11) 35... Nxe3+ 36. fxe3 Kg8) 34. R8d7 ({Worse is} 34. Rxe5 Rc6 $15) 34... Nf6 35. Rxc7 Rf8 36. Rxe5 Rxe5 37. Nxe5 Bd6 38. Nd7 Bxc7 39. Nxf8+ {[%mdl 4096] Endgame KBN-KBN} Kg8 40. Ne6 Bd6 41. Kf3 {White is clearly winning.} b5 42. Nf4 Bxf4 43. Bxf4 Nxh5 {KB-KN} 44. Be5 Kf7 45. g4 Nf6 46. Bxf6 Kxf6 47. Ke3 g6 48. f4 {Precision: White = 88%, Black = 37%.} 1-0

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Gustafsson, Jan"]
[Black "Teerapabpaisit, Wisuwat"]
[Result "1-0"]
[ECO "D71"]
[WhiteElo "2643"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,57,22,32,18,34,26,52,19,8,14,12,3,12,10,47,21,30,18,68,39,64,34,89,85,119,113,114,104,112,102,98,97,168,166,231,225,380,347,341,338,339,329]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qb6 8. b3 e5 9. Ba3 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} (9. Bb2 e4 10. Ne1 d5 11. Ba3 Re8 12. Nc2 Qd8 13. Ne3 Be6 14. Bb2 h5 15. f4 exf3 16. exf3 Na6 17. cxd5 Nxd5 18. Ncxd5 Bxd5 19. Nxd5 Qxd5 {½-½ (52) Malakhov,V (2702)-Pridorozhni,A (2556) St Petersburg 2015}) 9... Rd8 {LiveBook: 5 Games} 10. Qd2 Bg4 11. Rad1 {White is slightly better.} Na6 $146 ({Find the theoretical novelty and annotate with similar games:} 11... Bxf3 12. Bxf3 exd4 13. Na4 Qc7 14. Qxd4 Ne8 15. Qf4 Qe7 16. Rd3 Nd7 17. Bxd6 Nxd6 18. Qxd6 Qxd6 19. Rxd6 {1-0 (71) Neverov,V (2516)-Sindarov,J (2224) Al Ain 2015}) 12. h3 (12. Na4 $5 {[%cal Ra4b6]} Qc7 13. dxe5 dxe5 14. Bd6 $16) 12... Bxf3 13. Bxf3 exd4 14. Na4 Qc7 15. Qxd4 {[%cal Ra3d6]} Qa5 (15... d5 $5) 16. Qd2 ({Don't blunder} 16. Bxd6 $2 Ne8 $19) 16... Qf5 17. Kg2 Rd7 18. b4 (18. Bxd6 $6 Rad8 $11) 18... h5 19. Qd3 $36 {[%mdl 2048] aiming for Qxf5. White has the initiative.} Qe5 (19... Qe6 $1 $14) 20. b5 $16 cxb5 21. cxb5 ({But not} 21. Bxd6 $6 Qe6 $14) 21... Nc5 {[#]} 22. Nxc5 $1 dxc5 23. Qc4 Rc7 {[#]} 24. Bc1 $1 {[%cal Rc1f4] And now Bf4 would win.} g5 (24... Qe6 $16 {keeps fighting.} 25. Qxe6 fxe6) 25. Rd3 $18 Rf8 (25... Qf5 $142) 26. Rfd1 Re7 $2 (26... Qe6 27. Qxe6 fxe6) 27. Re3 Qc7 28. Rxe7 Qxe7 29. Bxg5 {Precision: White = 73%, Black = 41%.} 1-0

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Gareyev, Timur"]
[Black "Zulfic, Fedja"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2592"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,47,39,24,33,-89,-72,-92,38,39,71,75,84,83,171,166,191,177,226,229,237,235,263,259,293,264,261,263,305,294,404,410,409,415,500,488]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 e5 9. d5 Nd4 10. Nxd4 exd4 11. Qxd4 c6 12. Qc4 b5 13. Qxc6 Bd7 14. Qd6 Re8 15. Bd3 a5 16. f3 {0-1 (38) Navara,D (2726)-Vachier Lagrave,M (2794) Germany 2018}) 5... c6 6. Bg5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} Ne4 7. e3 Qa5 8. Qb3 {LiveBook: 4 Games. White is slightly better.} Nd7 {Black wants to play ...Ndc5!} 9. Bd3 $146 (9. Rc1 $14 {keeps the upper hand.}) ({Predecessor:} 9. cxd5 Nxc3 10. Qxc3 Qxc3+ 11. bxc3 cxd5 12. c4 dxc4 13. Bxc4 {½-½ (30) Auer,G (2024)-Weber,D (1985) Bayern 2013}) 9... Nxc3 10. bxc3 {[#]} ({Much worse is} 10. Qxc3 Qxc3+ 11. bxc3 f6 $17) 10... h6 ({Better is} 10... f6 $1 $17 11. Bf4 e5) 11. Bf4 $40 {[%mdl 128] White mounts an attack.} Nf6 12. O-O {[%cal Bh1f1,Bf1c1,Bc1c4,Bc4c5][%mdl 32]} O-O 13. Ne5 Nd7 (13... dxc4 $16 {is a better defense.} 14. Bxc4 (14. Nxc4 Qh5 $16) 14... Nd5) 14. Nxd7 $18 Bxd7 15. Qxb7 Qxc3 16. Bxg6 $1 {aiming for Rac1.} (16. Qxd7 $6 Qxd3 17. cxd5 cxd5) 16... Be6 17. Rfc1 ({Much less strong is} 17. Qxc6 $6 Rac8) 17... Qa3 18. Bc2 ({Weaker is} 18. Qxc6 Rac8 $14) 18... Rac8 19. Bb3 dxc4 20. Bxc4 Bxc4 21. Rxc4 c5 22. Qxe7 Rfe8 23. Qb7 Rcd8 {[%cal Rc5d4]} 24. Rxc5 {Precision: White = 57%, Black = 22%.} 1-0

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Krysa, Leandro"]
[Black "Chan, Kim Yew"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2543"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,99,31,35,37,60,52,57,62,81,79,87,84,88,73,62,66,70,61,88,61,76,72,72,76,89,78,70,7,61,67,67,62,67,67,67,62,114,68,126,114,114,81,127,127,130,130,130,121,232,225,220,225,312,313,604,296,291,290,290,275,407,276,272,264,415,314,335,337,324,321,323,322,393,352,363,353,346,360,934,973,956,925,818,804]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. e3 {E11: Bogo-Indian} O-O 7. Bg2 Bxd2+ 8. Qxd2 d6 9. Nc3 e5 {LiveBook: 3 Games} 10. O-O exd4 $146 ({Predecessor:} 10... e4 11. Ne1 Bf5 12. Nc2 a5 13. a3 a4 {1-0 (29) Anand,V (2784)-Kollars,D (2436) Gibraltar 2016}) 11. Nxd4 Nxd4 12. Qxd4 c5 13. Qf4 Be6 14. Rfd1 Rfd8 15. Rd2 h6 16. h4 Rd7 17. Rad1 {[%cal Rd2d6]} Rad8 18. b3 Nh5 19. Qf3 Nf6 20. Qe2 h5 21. Bf3 g6 22. Ne4 ({Better is} 22. Kg2 $14) 22... Nxe4 (22... Nh7 $11) 23. Bxe4 $14 Qf6 24. Bd5 $36 {[%mdl 2048] White fights for an advantage.} Bg4 25. f3 Be6 26. e4 Kf8 (26... Re8 $14) 27. Qe3 Kg7 (27... Re8 $14) 28. Bxe6 $16 Qxe6 29. Qc3+ Kf8 30. Kg2 f6 31. Rd5 Kf7 32. Qe3 Ke7 (32... Kg7 $16 33. Qd3 b6) 33. Qh6 $18 Qg8 {[#]} 34. f4 $1 Ke8 35. f5 Rg7 $2 (35... Qg7 36. Qxg6+ Qf7) 36. fxg6 (36. Rxd6 $142 Rxd6 37. Rxd6 gxf5 38. Qd2 Rxg3+ 39. Kh2 Rh3+ 40. Kxh3 Qg4+ 41. Kh2 Qxh4+ 42. Kg1 Qg3+ 43. Kf1 Qf3+ 44. Qf2 Qh1+ 45. Ke2 Qxe4+ 46. Kd2) 36... Rxg6 37. Qxh5 Ke7 38. Qf3 Qf7 (38... Qe6 $142 39. Qf5 Rg4 40. Qh7+ Qf7 41. Qxf7+ Kxf7 42. Rxd6 Rxd6 43. Rxd6 Rxe4) 39. Qf4 Qe6 40. Qf5 Qf7 (40... Qg8 $142) 41. e5 fxe5 {[#]} 42. Rxe5+ $1 {[%mdl 512]} dxe5 43. Qxf7+ Kxf7 44. Rxd8 {[%mdl 4096] Endgame KR-KR} Ke6 45. h5 Rg5 46. h6 Rh5 47. Rh8 Kf6 $2 (47... Kf5 48. Kf3 Rh2) 48. g4 {White is clearly winning.} Rh4 49. Kg3 Rh1 50. Rg8 {Precision: White = 68%, Black = 36%.} 1-0

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Tran, Tuan Minh"]
[Black "Kwon, Sehyun"]
[Result "1/2-1/2"]
[ECO "E49"]
[WhiteElo "2514"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,99,38,6,71,42,75,75,77,66,91,66,71,46,30,37,93,81,165,154,235,211,222,215,220,207,306,286,285,198,284,138,130,135,137,130,119,124,98,71,125,144,145,95,111,0,0,0,0,-184,0,0,0,0,0,0,0,0,0,0,0,0,0,-1652,-1552,-12844,-12844,-12841,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6 11. f3 Bxd3 12. Qxd3 Re8 13. Ng3 Nc6 14. Bb2 c4 15. Qe2 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3} (15. Qd2 h5 16. Rae1 h4 17. Nh1 Re6 18. Nf2 Qe7 19. Re2 b5 20. Rfe1 a5 21. e4 b4 22. axb4 axb4 {0-1 (34) Potkin,V (2574)-Aleksandrov,A (2589) Tallinn 2018}) 15... h5 16. Rae1 {LiveBook: 10 Games} g6 (16... h4 $11 {remains equal.} 17. Nf5 Ne7 18. Nxe7+ Rxe7) 17. Qf2 {White is better.} Qd7 18. Bc1 b5 19. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Ne7 $146 ({Predecessor:} 19... h4 20. Nh1 dxe4 21. Qxh4 Nd5 22. fxe4 Nxc3 {1-0 (55) Batsiashvili,N (2474)-Exler,V (2220) Baku 2016}) 20. Bf4 a5 21. Qb2 Ra6 22. Bg5 Kg7 (22... Rb6 $14) 23. e5 $16 Nfg8 (23... Nh7 $16 24. Bh4 Rb6) 24. f4 $1 $18 Rb8 {[#]} (24... b4 $16 {was worth a try.}) 25. f5 $1 {[%mdl 512]} Nxf5 26. Nxf5+ gxf5 27. Qe2 b4 (27... Kg6 $142) 28. axb4 ({Less strong is} 28. Qxh5 Rg6 $16) 28... axb4 29. cxb4 Rxb4 (29... Qe6 $142 30. Qc2 (30. Qxh5 Qg6 $16) 30... Kg6) 30. Bd2 (30. Qxh5 $18 {is the precise move to win.} Rg6 31. Rf4) 30... Rb3 31. Qxh5 Rd3 32. Be3 Nh6 33. Rf3 Rg6 34. Ref1 Ng4 (34... Qa7 $142 35. Bxh6+ Rxh6 36. Qxf5 (36. Qg5+ Rg6 $11) 36... Rxf3 37. Qxf3 Qxd4+ 38. Kh1 Qa7) 35. Rh3 $1 $16 {[%csl Gh3][%cal Rh5h8]} Kf8 36. Qh8+ Ke7 {[#]} 37. Bc1 (37. Qh4+ $1 $16 Ke8 38. Bc1) 37... Qa7 $1 $36 {[%cal Ra7d4][%mdl 2048] Black is pushing.} 38. Rxd3 cxd3 39. Qc8 $2 {[#]} (39. Kh1 $11 {and White is okay.} d2 40. Qh4+ (40. Bxd2 Nf2+ 41. Kg1 Qxd4 $11) 40... Ke6 41. Qd8 Nf2+ 42. Kg1 Nh3+ 43. Kh1 Nf2+ 44. Kg1 Nh3+ 45. Kh1 Nf2+) 39... Qxd4+ $2 ({Better is} 39... d2 $1 $19 40. Bxd2 Qxd4+ 41. Kh1 Qxd2 42. Qxf5 Nh6) 40. Kh1 {Ba3+ would kill now.} Qxe5 {[%csl Gg4][%cal Re5h2]} 41. Ba3+ Kf6 {[%csl Gg4][%cal Re5h2]} 42. Qh8+ Ke6 43. Qe8+ Kf6 {[%csl Gg4][%cal Re5h2]} 44. Qh8+ Ke6 45. Qe8+ Kf6 {[%csl Gg4][%cal Re5h2]} 46. Be7+ $2 {[%mdl 8192]} (46. Qh8+ $11 Ke6) 46... Qxe7 $19 47. Rxf5+ Kxf5 48. Qxe7 Nf2+ $2 (48... d2 $19 49. Qd7+ Kf6 50. Qc6+ Kg7 51. Qxd5 Nf2+ 52. Kg1 d1=Q+ 53. Qxd1 Nxd1) 49. Kg1 $11 d2 50. Qxf7+ {Precision: White = 63%, Black = 41%.} 1/2-1/2

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Deepan Chakkravarthy J"]
[Black "Wang, Shixu B"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2499"]
[BlackElo "2123"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,77,-1,0,-7,-4,0,6,4,20,4,38,36,27,29,56,43,63,30,89,72,96,102,87,50,110,110,129,112,112,109,124,125,158,155,172,159,197,217,211,214,182,145,145,145,145,138,141,143,177,172,159,156,174,136,2557,2660,2216,2072,1904,1826,29990,29991,29994,29995,29995,29994,29996,29997]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O d5 6. Ne5 Be7 {LiveBook: 18 Games. D05: Colle System with ...e6} 7. a4 $146 ({Predecessor:} 7. Nd2 O-O 8. b3 c5 9. Bb2 Nc6 10. f4 Nb4 11. Be2 Ne4 12. Nxe4 dxe4 13. Bc4 Nd5 14. Qe2 f6 15. Ng4 Qc8 16. Rad1 Rd8 17. Kh1 a6 18. dxc5 Qxc5 19. Bd4 {½-½ (44) Bruzon Batista,L (2673)-Quesada Perez,Y (2635) Khanty-Mansiysk 2011}) 7... O-O 8. a5 bxa5 {The position is equal.} 9. Bd2 c5 10. Bxa5 Qd6 11. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32] Black must now prevent Nb5.} a6 12. Na4 Nbd7 13. f4 c4 14. Be2 Rab8 (14... Bc6 $11) 15. b4 Bc6 16. Nc5 $1 Bb5 17. c3 Rbc8 ({Better is} 17... Ne4 $14) 18. Qc2 $16 g6 19. Ra2 Qb8 20. Bf3 Kg7 21. g3 Nxe5 22. fxe5 Nd7 {[%cal Rd7c5]} 23. e4 Bxc5 24. bxc5 dxe4 25. Bxe4 f6 26. c6 Bxc6 27. Bb4 Rf7 28. Rxa6 Qb5 29. Rfa1 $1 {Strongly threatening Qb1.} f5 30. Bxc6 Rxc6 31. Ra7 Qd5 32. Qg2 $1 Nb6 $2 {[%mdl 8192]} (32... Qxg2+ $16 33. Kxg2 Rb6) 33. Rxf7+ $18 Kxf7 {[#]} 34. Qh3 $1 {[%cal Rh3h7]} Kg8 35. Ra7 {[%csl Ga7][%cal Rh3h7]} h5 {[#]} 36. Qh4 $1 {White mates.} Nc8 {[#]} 37. Qf6 $3 {[%csl Ga7][%cal Rf6g7][%mdl 512]} Nxa7 38. Qxg6+ Kh8 39. Be7 {Precision: White = 81%, Black = 24%.} 1-0

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Hiebert, Kenji"]
[Black "Short, Nigel D"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2179"]
[BlackElo "2662"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,58,53,58,56,12,33,13,7,8,12,0,26,12,16,16,22,13,22,0,0,9,16,-13,3,8,16,-43,-9,-44,-38,-56,-54,-63,-59,-56,-16,-17,-17,-12,0,-91,-93,-56,0,-45,-32,-42,-18,-50,0,0,-9,0,-10,-67,0,0,0,0,0,0,562,560,554,-5489,-5389,-1514,-1760,-5597,-5597]} 1. Nf3 d6 2. d4 Bg4 3. e4 Nf6 4. Bd3 e5 5. c3 Nbd7 6. O-O {A41: 1 d4 d6: Tartakower System and Modern Defence} Be7 {LiveBook: 4 Games} 7. Re1 O-O 8. Bg5 $146 {White is slightly better.} ({Predecessor:} 8. Nbd2 Re8 9. h3 Bh5 10. Nf1 Bf8 11. Ng3 Bg6 {1-0 (41) Wen,Y (2581)-Yu,C (2132) China 2014}) 8... h6 9. Bh4 (9. Bc1 {is interesting.} Nh7 10. Be2 Bh5 11. Nbd2 Bg6 12. Bd3) 9... Nh7 10. Bxe7 Qxe7 11. Be2 Bh5 12. Nbd2 Bg6 13. a4 a5 14. Bd3 Rfe8 15. Nf1 Ng5 16. Nxg5 Qxg5 17. Qc2 h5 18. Nd2 h4 19. g3 (19. h3 $11) 19... Qf6 20. dxe5 dxe5 21. Nc4 Nc5 22. Rad1 Red8 23. Re3 Rxd3 24. Rdxd3 Nxd3 25. Qxd3 b6 26. Qd5 (26. Qd7 $11 {remains equal.}) 26... Rd8 $17 27. Qxe5 h3 (27... Qc6 $1 $15 28. b3 f6) 28. Kf1 Rd1+ {[%mdl 1024] Black has compensation.} 29. Ke2 Qd8 {White should prevent ...f5!} 30. Qb5 Rh1 $40 {[%csl Gh1][%cal Rd8d1][%mdl 128] [#] White needs to defend precisely.} 31. Rd3 Qa8 32. Rd4 $1 {aiming for Qg5.} Bxe4 33. Nd2 (33. Qd7 $11 Bf3+ 34. Ke3 Re1+ 35. Kd3) 33... Bg6 ({Black should try} 33... Bc6 $15 34. Qe5 Qe8 35. Qxe8+ Bxe8) 34. Qd7 $11 c5 $1 {[%cal Rc5d4]} 35. Rd6 {[#] And now Qe7 would win.} ({Don't play} 35. Qd8+ Qxd8 36. Rxd8+ Kh7 $17) 35... Rxh2 {Strongly threatening ...f6.} 36. Qe7 Rxf2+ $2 {[%mdl 8192]} (36... Bh5+ $11 {and Black has nothing to worry.} 37. Kd3 Qh1) 37. Kxf2 $18 Qg2+ 38. Ke1 $4 {[%mdl 8192]} (38. Ke3 $18 Qxg3+ 39. Nf3) 38... Qxg3+ $19 {Black is clearly winning.} 39. Kd1 h2 40. Rd8+ Kh7 {Precision: White = 24%, Black = 56%.} 0-1

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Salvador, Louie"]
[Black "Flores, Diego"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2176"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,108,21,21,16,16,25,20,28,-40,-25,-49,-49,-50,-50,-50,-56,-57,-57,-83,-58,-81,-69,-84,-72,-70,-37,-55,-6,-49,-50,-49,-56,-92,-77,-106,-102,-127,-26,-22,-22,-31,-36,-45,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,-147,-4,-12,0,0,0,-67,-60,-59,-64,-66,-51,-42,-30,-52,-20,-22,0,-7,0,-9,-9,-635,-627,-908,-890,-1000,-984,-29988,-29989,-29983,-29984]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Bg4 7. dxe5 dxe5 8. h3 Bxf3 9. Qxf3 {LiveBook: 20 Games} Bb4 {B07: Pirc Defence: Miscellaneous Systems} (9... exf4 10. Bxf4 Nbd7 11. e5 Nxe5 12. Qe2 Bd6 13. O-O-O O-O 14. Bxh7+ Nxh7 15. Rxd6 Ng6 16. Rf1 Rad8 17. Qc4 Nxf4 18. Rxd8 Rxd8 19. Rxf4 {½-½ (80) Shukuraliev,A (2360)-Galego,L (2495) Istanbul 2012}) 10. Bd2 exf4 11. Qxf4 {Black must now prevent 0-0.} Nbd7 {The position is equal.} 12. O-O $146 ({White should try} 12. a3 $11) ({Predecessor:} 12. a3 O-O 13. O-O-O Be7 14. Nb5 Qd8 15. Nd4 Nc5 16. Nf5 Nxd3+ 17. cxd3 {1-0 (38) Haslinger,S (2170)-Shepherd,A (1910) Bolton 1997}) 12... Qe5 $15 13. Qh4 Bd6 14. Bf4 Qc5+ 15. Kh1 Bxf4 16. Qxf4 {[#] Hoping for e5!} O-O 17. Rae1 Rae8 18. Nd1 {[%cal Bc3d1,Bd1e3,Be3f5][%mdl 32]} Ne5 19. Ne3 Ng6 20. Qf3 b5 21. Nf5 {Black should prevent Nxg7!} Nd7 22. h4 Nge5 23. Qg3 {[%csl Gf5][%cal Rg3g7]} g6 24. h5 Kh8 25. h6 Rg8 26. Ng7 Rxg7 (26... Rd8 $17 27. b3 Qa3) 27. hxg7+ $11 Kxg7 28. c3 Nf6 {[%cal Bd7f6,Bf6h5,Bh5g3][%mdl 32]} 29. Bc2 Nh5 30. Qh4 {Threatens to win with g4.} Qe7 31. Qxe7 Ng3+ 32. Kg1 Rxe7 33. Rf2 h5 34. Rd1 Nc4 35. Bd3 Ne3 36. Re1 Ng4 37. Rf3 h4 38. Bc2 f5 39. e5 (39. Rd3 $1 $11) 39... c5 (39... Nxe5 $17 40. Rfe3 Kf6) 40. e6 c4 41. Rf4 Kf6 42. a4 (42. Rd4 $11) 42... Rxe6 $15 43. Rxe6+ Kxe6 {[%mdl 4096] Endgame KRB-KNN} 44. Bd1 $1 {[%cal Rd1g4]} Ne3 45. Rd4 bxa4 ({Much worse is} 45... Nxd1 $6 46. Rxd1 a6 47. Rd8 $14) 46. Kf2 f4 47. Bxa4 g5 {[%cal Bg6g5,Bg5g4,Bg4f3,Bf3f2][%mdl 32]} 48. Bb5 Ke5 49. Rd7 g4 {...Ne4+ is the strong threat.} 50. Rh7 $2 {[%mdl 8192]} (50. Rxa7 $11 Nd1+ 51. Kg1) 50... Ne4+ $19 51. Kg1 {[#] Threatening Re7+.} f3 $1 {[%cal Rf3f2]} 52. gxf3 gxf3 {( -> ...f2+)} 53. Bxc4 f2+ 54. Kh2 Nxc4 {Precision: White = 37%, Black = 56%.} 0-1

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Portugalera, Ric"]
[Black "Smirnov, Anton"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2160"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,23,71,11,16,2,17,14,11,10,21,14,14,17,13,-15,-8,-16,-6,-15,-9,-17,-11,-13,-20,-15,0,0,0,0,0,4,11,-7,0,0,0,0,0,0,9,-16,0,0,0,-8,0,-45,-66,-113,-100,-100,-95,-195,-187,-321,-309,-611,-604]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 h6 5. Bxf6 (5. Bh4 b6 6. e3 Bb7 7. Nbd2 Be7 8. Bd3 Nc6 9. a3 O-O 10. O-O cxd4 11. cxd4 Rc8 12. Qe2 Nh5 13. Bxe7 Qxe7 14. Rac1 Nf6 15. Rc2 Nb8 16. Rfc1 Rxc2 17. Rxc2 Rc8 18. Rxc8+ Bxc8 19. e4 {1-0 (58) Carlsen,M (2837)-Korobov,A (2652) Riadh 2017}) 5... gxf6 6. g3 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} (6. e4 $16) 6... d5 $11 7. Bg2 $146 ({Predecessor:} 7. Nbd2 f5 8. Qc2 Qc7 9. Rc1 Bg7 10. e3 Bd7 11. a3 c4 12. Nh4 Bf6 {½-½ (40) Gerstenberg,L (1705)-Kampfrath,S (1582) Bad Sooden 2004}) 7... Qb6 8. Qc2 {The position is equal.} Nc6 {[%cal Rc5d4]} 9. e3 e5 {[%cal Rc5d4]} 10. dxc5 Bxc5 11. O-O Be6 12. a4 Be7 13. Na3 a6 14. Nh4 e4 15. c4 Nb4 16. Qe2 f5 {...Bxh4 is the strong threat.} 17. Qh5 $1 Bxh4 18. Qxh4 Qd8 19. Qxd8+ Rxd8 20. cxd5 Rxd5 21. Rfc1 Nd3 22. Rc7 Rd7 23. Rc8+ Rd8 24. Rc7 O-O 25. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Rd7 $36 {[%mdl 2048] Black is more active.} 26. Rxd7 Bxd7 27. b5 Rc8 28. Bf1 Rc3 29. h4 a5 30. Be2 Be6 31. Bd1 {[#]} (31. Kf1 $17 {is a better defense.}) 31... Nb2 $1 $19 {[%cal Rb2d1]} 32. Bc2 (32. Be2 {might work better.}) 32... b6 33. Kf1 $2 (33. g4 fxg4 34. Bxe4) 33... Nc4 {Precision: White = 32%, Black = 77%.} 0-1

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Phadke Sohan"]
[Black "Swapnil, S. Dhopade"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2150"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,-7,13,13,41,34,70,74,90,81,124,110,82,116,116,104,99,13,110,104,155,148,149,145,174,157,241,194,250,129,277,277,394,390,405,414,475,475,459,445,425,406,391,345,553,561,528,347,936,822,1229,1110,1034,987,2178,2077,5493,5485,29992,29993,29994,29995]} 1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Bxf6 gxf6 5. Nc3 Nc6 6. Qh5 e6 {D01: Veresov Opening} 7. O-O-O cxd4 8. exd4 f5 {LiveBook: 5 Games. The position is equal.} (8... Bb4 9. Nge2 Bd7 10. h4 Qe7 11. a3 Ba5 12. Rh3 O-O-O 13. Re3 {½-½ (39) Rapport,R (2707)-Vachier Lagrave,M (2789) Riadh 2017}) 9. Bb5 $146 ({Predecessor:} 9. f4 Bd7 10. Nf3 Qf6 11. Ne5 Nxe5 12. dxe5 Qe7 13. Bb5 Bc6 14. Rd3 {0-1 (37) Bocharov,D (2602)-Yuffa,D (2373) Taganrog 2014}) 9... Qf6 10. Qe2 Bh6+ 11. Kb1 O-O 12. Nf3 Bg7 13. h3 a6 14. Bxc6 $1 bxc6 15. Na4 Qe7 16. Nc5 (16. g4 $16) 16... f6 (16... e5 $1 $11 {remains equal.}) 17. Nh4 $36 {[%mdl 2048] Nxf5! is the strong threat. White is on the roll.} Qf7 (17... Qd6 $142) 18. f4 $16 e5 19. g4 ({Inferior is} 19. fxe5 fxe5 20. dxe5 Qe7 $11) (19. dxe5 Qe7 $11) 19... fxg4 20. hxg4 exd4 (20... exf4 $16 {keeps fighting.} 21. Nf5 Re8) 21. Rde1 Bd7 (21... Qa7 $142) 22. Nf5 (22. Qd3 $18) 22... Bxf5 (22... Rfe8 $16 23. Ne7+ Rxe7 24. Qxe7 Bxg4) 23. gxf5 $18 Rfe8 (23... Rfb8 $142 24. Ne6 Bf8 25. Nxd4 Kh8) 24. Ne6 Bf8 25. Qf2 (25. Reg1+ Kh8 $18) 25... Kh8 26. Qxd4 Ra7 27. Re2 {[%cal Be1e2,Be2d2,Bd2d8,Bd8d5,Bd5h5,Bh5h7][%mdl 32]} c5 28. Qxd5 Qb7 29. Qd1 Rb8 $2 {[#]} (29... Qf3 {was called for.} 30. Nd4 Qa8) 30. b3 Qf3 31. Rd2 Qe4 $2 (31... Qxd1+ 32. Rhxd1 Be7) 32. Re1 Qxf5 33. Rd8 Raa8 34. Rd5 ({Weaker is} 34. Rxf8+ Rxf8 35. Nxf8 Rxf8 $18) 34... Qh3 35. Rh5 Qg2 36. Qd7 {[%csl Gh5][%cal Rd7h7] [#]} Qg6 37. Reh1 Kg8 38. Rxh7 {Precision: White = 73%, Black = 18%.} 1-0

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Siddharth, Jagadeesh"]
[Black "Lorparizangeneh, Shahin"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2137"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,76,0,-14,0,0,0,-13,-1,-22,0,0,0,-18,-20,-31,-35,-38,-30,-85,-85,-117,-109,-127,-120,-118,-117,-193,-187,-231,-251,-368,-370,-366,-374,-470,-352,-397,-377,-333,-324,-424,-429,-417,-412,-468,-459,-506,-456,-807,-433,-1366,-1379,-1523,-1498,-29976,-29976,-29968,-6135,-29976,-29977,-29995,-29996]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 g6 6. O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Bg7 7. a4 Ne4 (7... Na6 8. Na3 Be6 9. Ng5 Qd7 10. Nxe6 Qxe6 11. e3 Ne4 12. Qc2 Nd6 13. Bd2 O-O 14. Rac1 {1-0 (43) Dubov,D (2701)-Volokitin,A (2639) Batumi 2018}) 8. Qc2 Nd6 9. Bf4 {LiveBook: 3 Games} Bf5 10. Qc1 O-O $146 ({Predecessor:} 10... Na6 11. Na3 O-O 12. Bh6 Bxh6 13. Qxh6 f6 14. Qc1 {0-1 (39) Vignesh,N (2365)-Kovchan,A (2576) Dubai 2015}) 11. Na3 Be4 12. Rd1 Na6 13. Nxc4 Nb4 14. Nxd6 exd6 15. Ne1 Bxg2 16. Nxg2 Re8 17. Qd2 (17. Bd2 $11 Nd5 18. e3) 17... a5 $17 18. Re1 Re4 19. Be3 Qb6 20. d5 c5 21. f3 {[#]} (21. Red1 $17) 21... Re5 $1 $19 22. Rad1 Rae8 {White must now prevent ...Rxe3!} ({And not} 22... Nxd5 23. Bf2 $11) 23. Bf4 (23. Kf1 $142) 23... Rxd5 24. Qc1 Rxd1 25. Rxd1 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 26. Qd2 d4 27. Rc1 Qc6 28. Ne1 b6 29. Nd3 Qxa4 30. Nf2 Qb3 31. Ne4 Nd5 32. Bh6 (32. Qd3 $142 Qxd3 33. exd3) 32... f5 33. Nd6 (33. Bxg7 $142 fxe4 34. fxe4) 33... Bxh6 34. Qxh6 Rxe2 35. Nxf5 gxf5 36. Qg5+ Kf7 37. Qxf5+ Nf6 38. Qd7+ Nxd7 {Precision: White = 18%, Black = 71%.} 0-1

[Event "18th Bangkok Open 2018"]
[Site "Bangkok"]
[Date "2018.04.14"]
[Round "2"]
[White "Kienitz, Andre"]
[Black "Ly, Moulthun"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "2125"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "THA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,62,54,59,92,79,65,50,48,21,27,14,19,-42,-29,-44,0,0,0,-50,-36,-15,-24,-70,0,-55,-60,-57,-23,-30,-33,-114,-102,-192,-199,-277,-259,-271,-259,-415,-398,-367,-362]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 5. Be2 e6 6. h3 Bh5 7. c4 Nb6 8. Nc3 {B05: Alekhine's Defence: 4 Nf3 Bg4} Be7 9. exd6 cxd6 10. d5 e5 11. g4 Bg6 12. h4 {[%cal Bh3h4,Bh4h5][%mdl 32] LiveBook: 33 Games} h6 (12... h5 13. gxh5 Bxh5 14. c5 N6d7 15. cxd6 Bxd6 16. Ng5 Nf6 17. Bxh5 Nxh5 18. Qf3 Nf4 19. Bxf4 exf4 20. O-O-O Nd7 21. Rhe1+ Kf8 22. Ne6+ {1-0 (22) Robson,R (2680)-Yermolinsky,A (2515) Saint Louis 2015}) 13. h5 Bh7 14. Be3 Na6 $146 ({Find the theoretical novelty and annotate with similar games:} 14... N8d7 15. Bd3 e4 16. Bxe4 Bxe4 17. Bxb6 Bxf3 18. Bxd8 Bxd1 19. Bxe7 {1-0 (51) Polschikov,A (2362)-Dolezal,J (1956) Pardubice 2010}) 15. Bd3 Bxd3 16. Qxd3 Qc8 $1 {[%cal Rc8g4]} 17. Bxb6 (17. b3 $11) 17... axb6 $15 18. Rg1 $1 O-O 19. g5 Nb4 20. Qe2 {With the idea gxh6.} (20. Qe4 $5 {[%cal Rg5h6]}) 20... Qf5 $36 {[%mdl 2048] Black is pushing.} 21. Ne4 {Black must now prevent gxh6.} hxg5 22. Nfxg5 Nxa2 (22... Qf4 $15) 23. Qf3 ({White should play} 23. Rd1 $1 $11) 23... Qxf3 24. Nxf3 Nb4 25. Rxa8 Rxa8 26. Kd2 {[#]} (26. Ke2 $15) 26... b5 $1 {[%mdl 512]} 27. Kc3 (27. Ng3 $17 {might work better.}) (27. cxb5 Nxd5) 27... Na2+ $19 28. Kb3 (28. Kc2 {was necessary.} bxc4 29. Kb1) 28... bxc4+ 29. Kxc4 {next Kb3 is good for White.} Ra4+ 30. Kb3 $2 {[#]} (30. Kd3 {is the only way for White.}) 30... Rxe4 31. Kxa2 Rf4 {Precision: White = 37%, Black = 88%.} 0-1

