[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "1"]
[White "Barbosa, Oliver"]
[Black "Sturt, Raven"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2532"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,106,22,-8,18,-8,45,30,23,19,30,0,49,3,37,0,20,0,0,0,14,0,25,0,27,-20,36,20,68,-15,96,-9,-3,-5,-7,-195,0,-117,-48,-66,-77,-98,-19,-57,-28,-421,-448,-512,-463,-441,-431,-804,-734,-781,-770,-814,-582,-581,-570,-902,-885,-825,-772,-723,-742,-816,-762,-764,-770,-1085,-1075,-952,-661,-671,-667,-658,-645,-700,-685,-674,-664,-1090,-1083,-1254,-1121,-1452,-1524,-2022,-2022,-1837,-1779,-5365,-4581,-29971,-29970]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 c5 8. e3 Qc7 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 9. Nc3 a6 (9... d5 $11) 10. Qe2 d6 {White has an edge.} 11. Rac1 Nbd7 12. e4 $146 ({Predecessor:} 12. h3 Rfe8 13. d3 Rad8 {1-0 (33) Bruzon Batista,L (2643)-Thavandiran,S (2419) Greensboro 2019}) 12... Rfe8 13. d3 Rad8 14. h3 Nb8 {[%cal Bd7b8,Bb8c6,Bc6d4][%mdl 32]} 15. Nh2 Nc6 16. f4 Nd4 17. Qf2 Nd7 18. Nd1 Qb8 19. h4 {[#]} b5 (19... d5 $1 $11 {[%mdl 512]}) 20. Ne3 $14 Bf8 21. g4 {[#]} (21. Nf3 $14) 21... Nb6 (21... d5 $1 $11 {[%mdl 512]}) 22. f5 ({White should play} 22. Nc2 $16) 22... d5 $1 $11 {White must now prevent ...Bd6.} 23. fxe6 fxe6 {Threatens to win with ...Bd6.} 24. cxb5 $2 (24. cxd5 $11 exd5 25. Nf5 dxe4 26. Nxd4 cxd4 27. Bxd4) 24... axb5 $2 ({Black should try} 24... Bd6 $1 $19 {Hoping for ...Rf8.} 25. Nf3 Rf8) 25. e5 (25. Nf3 $11 Nxf3+ 26. Qxf3) 25... b4 (25... Nd7 $17 26. Nc2 Nc6) 26. g5 $15 Ba6 27. Rcd1 Nd7 (27... Qxe5 $17 28. Nf3 (28. Bxd4 $2 Qxd4 29. g6 hxg6 $17) 28... Nxf3+ 29. Bxf3 d4) 28. Nhg4 Nxe5 29. h5 $2 {[%mdl 8192]} (29. Bxd4 $1 $11 cxd4 30. Nxe5 Qxe5 31. Ng4) 29... Nxd3 $19 30. Qf7+ Kh8 31. h6 {[#]} Ne5 $1 {[%cal Re5f7][%mdl 64] Discovered Attack} ({And not} 31... Nxb2 {[#]} 32. Nf6 $1 $11 {[%mdl 512]}) 32. Qh5 (32. Qf2 $142 Bxf1 33. Bxf1) 32... Ne2+ 33. Kf2 d4 34. Ke1 Nd3+ 35. Rxd3 Bxd3 36. Rf3 Nf4 37. Qh2 Nxg2+ 38. Qxg2 e5 39. Nf5 Bxf5 40. Rxf5 Qa8 41. Rf3 Qxa2 {Strongly threatening ...Qb1+.} 42. Qc2 Qa8 43. Qf5 Qc8 44. Qe4 {next hxg7+ is good for White.} Rd7 45. g6 gxh6 46. Nf6 Rg7 47. Nxh7 Be7 48. Bc1 Qe6 49. Bxh6 Rxg6 50. Ng5 Rxg5 51. Bxg5 Bxg5 52. Rg3 Qh6 53. Ke2 {[#]} c4 $1 {Accuracy: White = 22%, Black = 40%.} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "1"]
[White "Yudasin, Leonid"]
[Black "Paragua, Mark"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2507"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,32,6,3,16,14,18,0,26,0,10,-9,-20,-19,0,-21,-10,-29,-11,-25,-14,-31,-35,-44,-25,-53,-31,-31,0,0,14,12,9,0,0,-188,-38,-34,-28,-56,0,-65,0,0,-7,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,-27,0,0,0,0,0,0,10,-31,-29,-44,0,0,0,0,0,-29,-29,-64,-49,-81,-79,-110,-57,-56,-9,-48,-48,-55]} 1. e4 c5 2. Nf3 e6 3. b3 a6 (3... b6 4. Bb2 Bb7 5. Qe2 Nc6 6. g3 Nf6 7. Bg2 d6 8. O-O e5 9. Nc3 g6 10. Nd5 Bg7 11. c4 O-O 12. d3 Bc8 13. h3 {½-½ (63) Akopian,V (2650)-Inarkiev,E (2693) St Petersburg 2018}) 4. g3 Nc6 5. Bg2 d5 6. exd5 {B40: Sicilian: 2...e6, Unusual lines} exd5 7. O-O Nf6 $146 ({Predecessor:} 7... d4 8. Re1+ Be7 9. Na3 Nf6 10. Nc4 O-O 11. a4 {½-½ (19) Lagunes,J (2116)-Schmitt,C (1831) St Chely d'Aubrac 2011}) 8. d4 {The position is equal.} Be7 9. Bb2 O-O 10. Nbd2 Bg4 11. h3 Bh5 12. dxc5 Bxc5 13. g4 Bg6 14. Nh4 $1 Re8 15. Nxg6 hxg6 16. c4 d4 17. Qf3 Qa5 18. Rfd1 Bb4 19. Nf1 $1 Rad8 20. a3 $1 {[%cal Ra3b4]} Bc3 21. b4 Qe5 22. Rab1 $2 {[#]} (22. Bxc3 $1 $11 dxc3 23. Rxd8 Rxd8 24. Qe3) 22... Bxb2 (22... d3 $1 $19 {[%mdl 512]} 23. Bc1 (23. Rxd3 Rxd3) 23... Nd4 24. Qxb7 Ne2+ 25. Kh1 Nxc1 26. Rbxc1 Qe2) 23. Rxb2 $15 d3 24. Rbd2 Qg5 (24... Nd4 $15 25. Qxd3 Ne2+ {[%mdl 64] Discovered Attack} 26. Qxe2 Qxe2 27. Rxe2 Rxd1 28. Rxe8+ Nxe8 29. Bxb7 Nc7) 25. Kh1 (25. Qg3 $11 Nd4 26. Qxd3) 25... Rd4 (25... a5 $1 $15) 26. Rxd3 Ne5 27. Rxd4 Nxf3 28. Bxf3 Qh4 29. Kg2 Nh7 {With the idea ...Ng5.} 30. Bd5 Ng5 31. R1d3 $1 {[#]} Re2 $1 {[%mdl 512]} 32. Rf4 Ne6 33. Bxe6 Rxe6 34. Ne3 Qg5 35. Rfd4 Kh7 36. c5 Qe5 37. Nc4 Qc7 38. Ne3 Qc6+ {[%mdl 1024] Black has compensation.} 39. Kg3 g5 40. Rd7 Qe4 41. R3d4 Qb1 {White must now prevent ...Qg1+.} 42. Rd1 Qa2 43. R7d3 ({Don't play} 43. Rxb7 Rf6 $17) 43... a5 44. bxa5 Qb2 45. Kg2 Qb5 (45... Qe5 $17) 46. Rd5 Qxa5 47. c6 Qc7 48. cxb7 {Accuracy: White = 53%, Black = 43%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "1"]
[White "Panjwani, Raja"]
[Black "Steingrimsson, Hedinn"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2450"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,7,8,13,8,22,14,10,14,37,27,45,22,45,27,39,33,22,21,13,6,14,0,8,0,29,29,98,69,105,56,51,61,112,141,146,166,219,222,219,50,74,131,122,0,0,-188,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-638,-590,-513,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d3 Ngf6 6. c4 dxc4 7. dxc4 e5 {A11: English Opening: 1...c6} 8. Qc2 Bc5 9. Nc3 O-O 10. h3 Bh5 (10... Bxf3 $5 11. Bxf3 Qe7 $11) 11. Nh4 Re8 12. b3 $146 ({Predecessor:} 12. a3 a5 13. e3 Qc7 {½-½ (46) Kramnik,V (2811)-Oparin,G (2604) Zuerich 2017}) 12... a5 13. Bb2 Qe7 14. Na4 Ba3 15. Bxa3 Qxa3 16. g4 Bg6 $1 {[%cal Rg6c2]} 17. Nxg6 hxg6 18. c5 g5 19. Rfd1 e4 (19... Rad8 $11) 20. Rd4 $36 {[%mdl 2048] White is more active.} e3 21. f4 gxf4 22. Rad1 $1 Nd5 (22... Rab8 $14) 23. Bxd5 cxd5 24. Rxf4 Re5 (24... Rad8 {keeps fighting.}) 25. Rd3 $1 $18 {Black must now prevent b4.} b5 26. Rc3 $2 ({White should play} 26. c6 $18 Rc8 27. cxd7 $1 {[%mdl 512]} Rxc2 28. d8=Q+ {[%mdl 64] Double Attack} Qf8 29. Qxf8+ (29. Rxd5 Rxd5 30. Qxd5 bxa4 $14) 29... Kxf8 30. Nb6) 26... Re4 (26... g5 $6 27. Rd4 $16) 27. Rxe4 dxe4 28. c6 ({Better is} 28. Qxe4 $16 Rf8 29. Nb6 (29. Qxe3 bxa4 30. c6 Nf6 $17)) 28... Qd6 $11 {...Qg3+ is the strong threat.} 29. Qxe4 $2 (29. Rxe3 $11 {and White stays safe.} Nf6 30. Nb6) 29... Qd1+ $2 ({Worse is} 29... bxa4 30. cxd7 Rd8 31. Qe8+ (31. Rxe3 Qxd7 32. bxa4 Qd2 $16) 31... Kh7 32. Rxe3 $16 (32. Qxd8 Qg3+ 33. Kh1 Qxh3+ 34. Kg1 Qg3+ 35. Kh1 Qh3+ 36. Kg1 Qg3+ 37. Kh1 Qh3+ $11) (32. Qxe3 Qxd7 33. Kf2 axb3 $16)) (29... Nf6 $19 30. Qxe3 bxa4) 30. Kh2 Nf6 31. Qd3 Qe1 32. c7 Rc8 33. Nb6 Qf2+ 34. Kh1 Qf1+ 35. Kh2 Qf2+ 36. Kh1 Rxc7 37. Qd8+ $2 {[%mdl 8192]} (37. Rxc7 $11 Qf1+ 38. Kh2 Qf4+ 39. Kg2 Qf2+ 40. Kh1 Qf1+ 41. Kh2 Qf4+ 42. Kg2 Qf2+ 43. Kh1) 37... Kh7 $19 38. Qd3+ {[#]} g6 $2 (38... Ne4 $1 $19 {[%mdl 512] ( -> ...Qf1+)} 39. Qxe4+ (39. Rxc7 $2 {is the wrong capture.} Qe1+ 40. Kh2 Qg3+ 41. Kh1 Qxh3+ 42. Kg1 Qxg4+ 43. Kh1 Qh4+ 44. Kg2 Qf2+ 45. Kh1 f5 $19) 39... f5 40. Qxe3 Qe1+ {[%mdl 64] Double Attack} 41. Kg2 Qxc3) 39. Rxc7 $11 {The position is equal.} Qf1+ 40. Kh2 Qf4+ 41. Kg2 Qf2+ {Accuracy: White = 53%, Black = 31%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "1"]
[White "Korley, Kassa"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "2447"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,0,0,0,0,0,2,0,0,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,0,0,0,0,0,0,22,18,64,58,59,64,65,19,34,34,94,85,101,102,92,99,140,138,139,131,122,95,95,95,104,112,283,137,143,20,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. a3 (4. dxc5 e6 5. c4 Bxc5 6. a3 O-O 7. Nc3 dxc4 8. Qxd8 Rxd8 9. Bxc4 a6 10. Be2 b5 11. O-O Bb7 12. Bd2 Nbd7 13. Rfd1 Be7 14. Nd4 Nb6 {0-1 (47) Karjakin,S (2750)-Ding,L (2805) Saint Louis 2019}) 4... cxd4 5. exd4 Nc6 6. Bd3 {D04: Colle System} Bg4 7. c3 e6 8. h3 $146 ({Predecessor:} 8. Bg5 Qb6 9. Qc2 Bxf3 10. gxf3 {½-½ (24) Gaprindashvili,V (2489)-Margvelashvili,G (2432) Tbilisi 2007}) 8... Bh5 9. O-O Qc7 10. Be3 Bd6 11. Nbd2 O-O 12. Re1 Rab8 13. Qb1 Bg6 14. Bxg6 hxg6 15. a4 a6 16. Qd3 Rfc8 17. Rec1 Na5 18. b3 b5 19. axb5 axb5 20. Qf1 Qd8 21. Bg5 b4 22. c4 dxc4 23. bxc4 b3 {Strongly threatening ...b2.} 24. Rcb1 Rb4 25. Ne5 Qc7 26. Nd3 Rb7 27. Ra4 Nc6 28. Be3 (28. c5 $5 {[%cal Rc5d6]} Bh2+ 29. Kh1 $14) 28... Rcb8 29. Qd1 {[%cal Rb1b3]} Qd7 (29... Ne7 $1 $14) 30. Rxb3 $16 Rxb3 31. Nxb3 Ne4 {[#]} 32. Ra1 $1 Bc7 33. Nbc5 Nxc5 34. Nxc5 Qe7 35. Na6 Rd8 {With the idea ...Be5.} 36. Nxc7 Qxc7 37. Qg4 Na5 $2 (37... Ne7 $16 {might work better.}) 38. c5 (38. Bf4 $18 Qb6 39. c5) 38... Nc6 39. Bg5 (39. Qe4 $16) 39... Rxd4 $11 {The position is equal.} 40. Ra8+ Kh7 41. f4 {[%cal Rg4h4]} Nb8 42. Qh4+ Kg8 {And now ...f6 would win.} 43. Be7 {Hoping for Bd6.} Qb7 44. Bd6 $1 Qxa8 45. Qd8+ {[%mdl 64] [#] Double Attack} Kh7 46. Qh4+ Kg8 47. Qd8+ {[%mdl 64] Double Attack. Accuracy: White = 68%, Black = 66%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "1"]
[White "Niemann, Hans Moke"]
[Black "Khamrakulov, Djurabek"]
[Result "0-1"]
[ECO "E02"]
[WhiteElo "2436"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,90,-6,-17,4,-46,16,12,13,1,13,20,20,6,12,18,16,24,12,14,27,37,47,51,54,41,42,51,74,62,73,76,75,70,66,29,25,16,19,12,14,0,0,0,0,0,0,0,0,-19,-14,-21,-15,-11,0,-23,-11,-14,0,-113,-105,-770,-758,-948,-943,-993,-798,-762,0,-887,0,-762,-752,-995,-946,-857,-808,-1120,-1120,-1350,-1350,-29973,-528]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 {E02: Open Catalan: 5 Qa4+} 7. Ne5 (7. Nc3 Be7 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5 11. b3 O-O 12. Bb2 Rc8 13. Rfd1 Qa5 14. e4 cxd4 15. Nxd4 Nc5 16. Qe3 {0-1 (27) Fedoseev,V (2718)-Adly,A (2637) Riadh 2017}) 7... Be7 (7... c5 $15) 8. O-O O-O {The position is equal.} 9. Nxc4 $146 ({Predecessor:} 9. Nxd7 Qxd7 10. Qxc4 Rd8 11. Nd2 Qxd4 12. Qxc7 Qc5 13. Qxc5 Bxc5 14. Nb3 Bb6 {1-0 (31) Burmakin,V (2582)-Dias,P (2443) Navalmoral 2007}) 9... c5 10. dxc5 Bxc5 11. Be3 (11. Qb3 {feels hotter.} Ra7 12. a4 b6 13. Nc3 Bb7 14. Rd1) 11... Bxe3 12. Nxe3 Rb8 13. Nd2 b5 14. Qa3 b4 15. Qa4 Nc5 16. Qc2 Bb7 17. Bxb7 Rxb7 18. Nb3 Nce4 19. Rad1 Qb6 20. Rd4 Rc7 21. Qd3 Nc5 22. Nxc5 Rxc5 23. Rd1 a5 24. Rd6 Qc7 25. Rd8 h5 26. Rd4 Rc8 27. Kg2 g6 28. b3 Qb7+ 29. Kg1 Rc3 30. Qd2 Ne4 31. Rd8+ Kh7 32. Qd4 {[%csl Gd8][%cal Rd4h8]} Rxd8 33. Qxd8 {aiming for Rd7!} Rc8 34. Qxa5 (34. Rd7 $11 {remains equal.} Rxd8 35. Rxb7) 34... Nc3 $17 {[%mdl 64] Double Attack} 35. Rd2 $2 {[%mdl 8192] [#]} (35. Rd8 $17) 35... Nxe2+ $1 $19 {[%mdl 512]} 36. Kf1 {[#]} (36. Rxe2 Rc1+) 36... Qf3 $1 {[%mdl 512] ( -> ...Rc1+)} 37. Nc4 Nc3 {[%cal Rf3h1]} 38. Kg1 Ne2+ 39. Kf1 Nc3 $40 {[%cal Rf3h1][%mdl 128] Black attacks.} 40. Kg1 Ne4 41. Rb2 {[#]} h4 $1 {[%mdl 512]} 42. gxh4 Rc5 43. Qa7 Kg7 44. h3 Qxh3 45. Re2 Qxh4 {Accuracy: White = 37%, Black = 67%.} (45... Qg4+ $142 46. Kf1 Qxh4 47. Rxe4 Qh1+ {[%mdl 64] Zwischenzug} 48. Ke2 Qxe4+ 49. Kf1 Qd3+ 50. Ke1 Rg5 51. f4 Qb1+ 52. Ke2 Qc2+ 53. Ke3 Rg3+ 54. Kd4 Qf2+ {[%mdl 64] Double Attack} 55. Ke5 Qxa7 56. Kd6 Rd3+ 57. Kc6 Qxa2 58. Kb7 Rd7+ 59. Kc6 Qa7 60. Nb6 Rb7 61. Na4 f5 62. Kd6 Qd4+ {[%mdl 64] Double Attack} 63. Kxe6 Rd7 64. Nc5 Qd6#) 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "2"]
[White "Steingrimsson, Hedinn"]
[Black "Korley, Kassa"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2549"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,63,16,15,27,0,0,0,39,44,72,60,75,90,115,142,228,222,393,397,395,421,417,419,419,323,333,322,316,334,325,312,310,305,293,308,457,460,1439,1363,29965,5252,29970,29971,29963,4546]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Nge2 h6 9. Bh4 Re8 10. h3 Nbd7 11. Qc2 Nf8 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 12. O-O-O b5 13. Kb1 a5 $146 {The position is equal.} ({Predecessor:} 13... Be6 14. g4 Rc8 15. Rhg1 a6 16. g5 Nh5 17. f4 Bd7 18. Bf2 Kh8 19. Ng3 Nxg3 20. Rxg3 {1-0 (35) Paehtz,T (2475)-Mueller,M (2320) Dresden 1994}) 14. e4 {e5 is the strong threat.} b4 15. Bxf6 Qxf6 16. e5 Qxf2 {[#]} 17. Rdf1 $1 $36 {[%cal Rf1f2][%mdl 2048] White is on the roll.} Qh4 (17... Qxg2 $16 18. Rhg1 Qh2) 18. Na4 $18 ({Not} 18. exd6 bxc3 19. Qxc3 Ba6 $11) 18... b3 $2 (18... Qe7 19. exd6 Qxd6) 19. Qxc6 {[%mdl 64] Double Attack} bxa2+ 20. Ka1 Bd7 21. Qxd5 (21. Qxd6 Bxa4 22. Qxd5 Qe7 $16) 21... Bxe5 22. Rxf7 ({Less strong is} 22. dxe5 Qe7 $18) 22... Be6 {[#]} 23. Rxf8+ $1 {[%mdl 512]} Kxf8 (23... Rxf8 24. Qxe6+) 24. Qxe5 Bf7 25. Qc5+ Kg8 26. Nb6 {[%cal Ba4b6,Bb6c4,Bc4e5][%mdl 32]} Rad8 {intending ...Qf2.} 27. Rf1 {Black must now prevent Qf5.} ({Don't play} 27. Qxa5 Qf2 $18) 27... Re7 (27... Qe7 $142) 28. Nc4 Bg6 (28... Rxe2 $142 29. Bxe2 Qxd4 30. Qxd4 Rxd4 31. Nxa5 g5) 29. Bxg6 Rxe2 30. Ne5 Re1+ 31. Rxe1 Qxe1+ 32. Kxa2 {Accuracy: White = 88%, Black = 34%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "2"]
[White "Khamrakulov, Djurabek"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2517"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,63,-2,-6,-4,-4,-4,-4,-5,0,-13,-15,-51,-31,-49,-1,-19,41,44,50,41,34,32,41,37,37,41,65,35,39,36,35,25,35,29,60,22,56,47,38,28,38,33,48,0,0,0,0,0,0,-27]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 d6 7. Bc4 dxe5 8. dxe5 Ndb4 9. Qxd8+ {B22: Sicilian: 2 c3} Nxd8 10. Na3 Be6 11. O-O g6 (11... Bxc4 12. Nxc4 Rc8 13. b3 e6 14. Rd1 Ndc6 15. Bb2 Be7 16. Nd4 Nxd4 17. Bxd4 {½-½ (30) Lin,C (2508)-Vidit,S (2717) China 2019}) 12. Rd1 $146 ({Predecessor:} 12. Nd4 Bxc4 13. Nxc4 Rc8 14. b3 Bg7 15. Be3 O-O 16. a4 Ndc6 17. Nxc6 Nxc6 18. f4 Rfd8 {½-½ (18) Dulany,L (2353)-Jendrian,M (2428) ICCF email 2015}) 12... Bg7 13. b3 O-O 14. Bb2 Nbc6 15. Be2 f6 ({Better is} 15... Bg4 $11) 16. Nb5 $36 {[%cal Ba3b5,Bb5d6,Bd6e4,Be4c5][%mdl 2080] Nc7 is the strong threat. White has good play.} Rc8 {[%cal Rf6e5]} 17. exf6 Bxf6 18. Bxf6 exf6 19. Nd6 Rc7 20. Rac1 a6 21. Kf1 Rd7 22. Ne4 Rxd1+ 23. Rxd1 Kf7 24. Nc5 Ke7 25. Nd4 Bc8 26. Nxc6+ $1 Nxc6 27. Bf3 Rd8 28. Rc1 Rd2 29. Nxa6 (29. Nxb7 $5 Bxb7 30. Bxc6 Bxc6 31. Rxc6 $14) 29... Rxa2 {The position is equal.} 30. Bxc6 {[#] Strongly threatening Nb4.} bxa6 31. Ba4 Bf5 32. Rc3 {Accuracy: White = 59%, Black = 58%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "2"]
[White "Paragua, Mark"]
[Black "Barbosa, Oliver"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2496"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,36,36,37,28,29,20,28,9,11,10,26,24,27,24,37,0,8,7,10,9,17,19,20,14,18,14,32,3,31,24,23,27,19,19,22,15,12,5,9,7,14,7,27,8,11,9,22,16,23]} 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O Bg4 8. d4 Nbd7 {D78: Fianchetto Grünfeld: 6 0-0 c6} 9. h3 (9. Nc3 Qa5 10. Rc1 Bxf3 11. Bxf3 e6 12. e3 Rfc8 13. Qe2 a6 14. Rfd1 b5 15. e4 bxc4 16. bxc4 {1-0 (54) Le,Q (2715)-Melkumyan,H (2660) chess.com INT 2018}) 9... Bxf3 10. Bxf3 e6 11. Nd2 Qe7 $146 ({Predecessor:} 11... a5 12. a4 Rc8 13. e4 Nb8 14. Ba3 Re8 15. e5 Nfd7 16. Bg2 {1-0 (62) Lopukhin,A (2312)-Skomorokhov,K (1895) Tambov 2016}) 12. Qc2 Rac8 13. Rac1 Rfd8 14. e3 Qe8 15. cxd5 cxd5 16. Qb1 Nb8 17. Be2 Rxc1 18. Rxc1 Rc8 19. Nf3 Rxc1+ 20. Qxc1 {Black should prevent Qc7.} Qc6 21. Kf1 Nfd7 22. Qxc6 Nxc6 23. Ne1 Bf8 24. Nd3 Nb4 25. Nxb4 Bxb4 $11 {[%mdl 4096] Endgame KBB-KBN} 26. Bb5 Nb8 27. Ke2 Kf8 28. g4 g5 29. f4 h6 {The position is equal.} 30. Bd3 Nc6 31. Kf3 Ke7 {Accuracy: White = 44%, Black = 45%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "2"]
[White "Sturt, Raven"]
[Black "Panjwani, Raja"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2466"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,73,9,15,7,9,13,12,6,6,0,0,10,14,13,15,20,18,14,21,15,1,19,23,41,47,62,75,67,56,90,83,94,100,104,78,381,375,380,376,387,380,418,396,512,507,597,566,1127,1039,1173,1172,1154,1059,29979,29971,6326,2865,29987,29988]} 1. e4 c6 2. Nf3 d5 3. Nc3 g6 4. h3 Bg7 5. d4 dxe4 6. Nxe4 Nf6 7. Nxf6+ exf6 8. Bc4 O-O 9. O-O a5 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} 10. Re1 (10. a4 Nd7 11. Bf4 Nb6 12. Bb3 Nd5 13. Bh2 Be6 14. Re1 h5 15. Nd2 f5 16. c3 Bh6 17. Nc4 {1-0 (45) Nepomniachtchi,I (2773)-Wei,Y (2736) Moscow 2019}) 10... Na6 11. Bf1 Bf5 $146 {The position is equal.} ({Predecessor:} 11... Nc7 12. c4 Ne6 13. d5 cxd5 14. cxd5 Nc5 15. Bf4 f5 16. Rc1 Ne4 17. Bc7 Qf6 18. Rc2 a4 19. a3 Bd7 20. Be5 Qb6 21. Bc7 Qf6 22. Be5 Qb6 23. Bc7 {½-½ (23) Sokolov,A (2568)-Eingorn,V (2589) Metz 2001}) 12. c3 Nc7 13. b3 Qd7 14. Nh4 Be6 15. c4 Rfd8 16. Bb2 Qd6 17. Qd2 a4 18. Nf3 b5 19. Bc3 f5 20. d5 {[#] Bxg7 is the strong threat.} Bxc3 21. Qxc3 b4 22. Qd4 cxd5 23. c5 $36 {[%mdl 2048] White is on the roll.} Qf8 24. Qxb4 d4 25. Nxd4 Nd5 $2 {[%mdl 8192] [#]} (25... axb3 $16 {is tougher.} 26. Nxb3 (26. axb3 Rab8 $14) 26... Bxb3 27. axb3 Rxa1 28. Rxa1 Ne6) 26. Qc4 $18 ({Weaker is} 26. Nxe6 Nxb4 27. Nxf8 Nc2 $14) 26... Nc7 {[%cal Bd5c7,Bc7e6,Be6f4][%mdl 32]} 27. Nxe6 Nxe6 28. b4 Rd4 29. Qc3 Rad8 30. Rac1 Nf4 31. a3 Rd3 32. Bxd3 Rxd3 33. Qc4 Qh6 34. c6 Nxh3+ 35. gxh3 Qg5+ 36. Kh2 Rf3 37. Qd4 {Accuracy: White = 98%, Black = 30%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.14"]
[Round "2"]
[White "Niemann, Hans Moke"]
[Black "Yudasin, Leonid"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2436"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,37,35,42,33,40,37,36,14,15,17,35,15,33,16,25,22,27,18,32,30,206,206,204,205,210,200,180,207,214,213,196,205,204,185,29994,29995,29995,29996]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d5 7. cxd5 exd5 8. Qa4+ c6 9. Nc3 O-O 10. Ne5 a5 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} 11. Bf4 b5 12. Qc2 Na6 $146 {White is slightly better.} ({Predecessor:} 12... Qb6 13. Rad1 Na6 14. Bg5 Rfd8 15. e4 Nc7 16. Ng4 Ne6 17. Bxf6 Bxf6 18. exd5 cxd5 19. Nxf6+ gxf6 {1-0 (46) Cvitan,O (2465)-Vucinic,P (2350) Novi Sad 1985}) 13. Rad1 Nc7 14. e4 Rc8 15. Bh3 Ne6 16. exd5 cxd5 17. Bxe6 ({Avoid the trap} 17. Nxf7 $2 Kxf7 18. Bxe6+ Kxe6 $19) 17... fxe6 18. Qe2 $36 {[%mdl 2048] Black is under pressure.} b4 19. Na4 Bc6 $2 (19... Qe8 $11 20. b3 Ne4) 20. Nxc6 $18 {[%mdl 64] Discovered Attack} Rxc6 21. Rc1 $1 {[%cal Rc1c6]} Qd7 22. Rxc6 $1 Qxc6 {[#]} 23. Rc1 $1 {[%cal Rc1c6]} Qxa4 24. Qxe6+ Rf7 {[#] aiming for ...Bd8.} 25. Rc7 $1 {[%cal Rc7e7]} Qd1+ 26. Kg2 {Threatening mate with Rc8+.} Qxd4 $2 (26... Qg4 $18 27. Rxe7 Qxe6 28. Rxe6 Rf8) 27. Rc8+ Bf8 {[#]} 28. Rxf8+ $1 {[%mdl 576] Pin, Remove Defender, Back Rank. Accuracy: White = 86%, Black = 39%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "3"]
[White "Barbosa, Oliver"]
[Black "Niemann, Hans Moke"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2532"]
[BlackElo "2436"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:19]} 2. c4 {[%emt 0:00:43]} d4 {[%emt 0:01:36]} 3. g3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:52]} 4. Bg2 {[%emt 0:00:11]} e5 {[%emt 0:00:08]} 5. d3 {[%emt 0:00:01]} Bb4+ {[%emt 0:00:38]} 6. Bd2 {[%emt 0:04:05]} a5 {[%emt 0:00:05]} 7. O-O {[%emt 0:00:18]} Nf6 {[%emt 0:00:07]} 8. Bg5 {[%emt 0:05:35]} Be7 {[%emt 0:03:44]} 9. Bxf6 {[%emt 0:09:25]} Bxf6 {[%emt 0:00:12]} 10. Nbd2 {[%emt 0:00:07]} O-O {[%emt 0:00:23]} 11. a3 {[%emt 0:00:03]} Be7 {[%emt 0:02:13]} 12. Ne1 {[%emt 0:02:08]} Nb8 {[%emt 0:01:09]} 13. Nc2 {[%emt 0:00:24]} a4 {[%emt 0:01:13]} 14. b4 {[%emt 0:09:42]} axb3 {[%emt 0:00:20]} 15. Nxb3 {[%emt 0:00:02]} c6 {[%emt 0:00:35]} 16. e3 {[%emt 0:05:49]} dxe3 {[%emt 0:00:45]} 17. fxe3 {[%emt 0:00:14]} Be6 {[%emt 0:02:36]} 18. Qe2 {[%emt 0:02:22]} Nd7 {[%emt 0:00:24]} 19. Rfb1 {[%emt 0:03:28]} Qc7 {[%emt 0:06:53]} 20. Kh1 {[%emt 0:05:19]} Ra4 {[%emt 0:01:09]} 21. Nd2 {[%emt 0:03:47]} Rfa8 {[%emt 0:00:16]} 22. Rb2 {[%emt 0:01:05]} R4a7 {[%emt 0:02:13]} 23. Rab1 {[%emt 0:04:55]} Rb8 {[%emt 0:01:01]} 24. Ra1 {[%emt 0:03:23]} Nb6 {[%emt 0:01:45]} 25. Rb3 {[%emt 0:01:16]} Na4 {[%emt 0:00:38]} 26. d4 {[%emt 0:02:53]} b5 {[%emt 0:00:34]} 27. Nb4 {[%emt 0:08:08]} bxc4 {[%emt 0:04:00]} 28. Nxc4 {[%emt 0:00:08]} Nb6 {[%emt 0:01:34]} 29. d5 {[%emt 0:08:40]} Nxd5 {[%emt 0:00:18]} 30. Rd1 {[%emt 0:02:12]} Bxb4 {[%emt 0:00:32]} 31. Qb2 {[%emt 0:03:53]} Nc3 {[%emt 0:01:32]} 32. Rxc3 {[%emt 0:01:31]} Bxc3 {[%emt 0:00:10]} 33. Qxc3 {[%emt 0:00:05]} Bxc4 {[%emt 0:00:08]} 34. Qxc4 {[%emt 0:00:01]} Rxa3 {[%emt 0:00:22]} 35. Bxc6 {[%emt 0:00:14]} Rc8 {[%emt 0:00:10]} 36. Qe4 {[%emt 0:00:15]} g6 {[%emt 0:00:50]} 37. Bd5 {[%emt 0:00:00]} Kg7 {[%emt 0:00:11]} 38. Qf3 {[%emt 0:00:25]} Rc3 {[%emt 0:00:35]} 39. Rf1 {[%emt 0:00:17]} f5 {[%emt 0:01:01]} 40. g4 {[%emt 0:00:48]} f4 {[%emt 0:00:23]} 41. g5 {[%emt 0:15:02]} Rc1 {[%emt 0:17:45]} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "3"]
[White "Yudasin, Leonid"]
[Black "Khamrakulov, Djurabek"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2507"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,70,21,20,15,18,15,13,16,14,25,25,30,32,17,19,20,24,28,26,37,26,48,51,64,61,72,60,78,56,58,60,75,72,66,39,52,41,60,62,60,37,43,45,54,44,38,42,60,60,67,60,67,67,75,75,79,8,19,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 e5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (7... Qd7 8. Nd2 e6 9. Ngf3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfe1 Rab8 13. Ne5 Bh5 14. Qa4 Qc7 15. Nb3 Nd7 16. Nxd7 Qxd7 17. Bb5 Rfc8 18. Bxc6 Qxc6 19. Qxa7 {½-½ (96) Anand,V (2767)-Mamedyarov,S (2774) Stavanger 2019}) 8. dxe5 Nh5 9. Be3 {h3 is the strong threat.} Nxe5 10. Bb5+ Nc6 11. Be2 Bxe2 12. Nxe2 Qd7 13. Nd2 Be7 14. Nf3 $146 ({Predecessor:} 14. O-O O-O 15. Nf3 {½-½ (38) Wolf,C (2173)-Stenner,P (2219) Germany 2017}) 14... O-O 15. Rd1 Rfd8 16. O-O $36 {[%mdl 2048] White fights for an advantage.} Nf6 17. Bg5 Ne4 18. Bxe7 Nxe7 19. Rfe1 Qc7 20. Ng3 Nxg3 21. hxg3 Rd7 22. Re2 h6 23. Nd4 a6 24. Qc2 Rf8 25. Qd3 Qd6 26. Nf5 Nxf5 27. Qxf5 Rfd8 28. Rd4 b5 29. a4 Qc6 30. axb5 axb5 31. Re5 Rd6 32. Qd3 g6 33. g4 Kg7 34. Rb4 ({White should play} 34. Kh2 $16) 34... d4 $1 $11 35. Rexb5 {[%cal Rc3d4]} dxc3 {Accuracy: White = 65%, Black = 45%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "3"]
[White "Panjwani, Raja"]
[Black "Paragua, Mark"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2450"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,108,30,0,0,-4,0,-34,-45,-18,-43,-48,-12,-12,22,20,76,47,47,38,55,43,27,49,34,29,36,35,60,34,100,43,42,25,75,74,233,231,248,113,97,121,93,115,109,108,98,4,2,0,0,-11,-10,-12,-19,-135,-51,-149,-140,-136,0,-8,0,0,0,-83,0,-45,-6,-8,-5,-8,-6,-14,-14,-14,-14,-14,-8,-6,0,0,0,0,0,-5,0]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. Nc3 Nc6 7. O-O a6 8. d5 Na5 9. Nd2 c5 10. Rb1 Rb8 11. b3 b5 12. Bb2 e5 13. Qc2 (13. dxe6 $5 Bxe6 14. Nd5 $11) 13... h5 {E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5} 14. e4 h4 15. Ne2 {[#]} hxg3 $146 {Black is slightly better.} ({Predecessor:} 15... Bh6 16. Bc3 Nh5 17. Qd3 b4 18. Bb2 h3 19. Bh1 Nb7 20. f4 exf4 21. Nxf4 {1-0 (53) Johannessen,L (2538)-Fedorov,A (2620) Copenhagen 2004}) 16. hxg3 Ng4 17. Bf3 Bh6 18. Kg2 Qg5 19. Bc1 Qf6 ({Avoid the trap} 19... Qh5 $2 20. Rh1 $18) (19... f5 $11) 20. Bxg4 Bxg4 21. f3 Bd7 22. Rh1 Bg7 23. Bb2 Qe7 24. Qc3 Nb7 25. Rh2 f5 26. Rbh1 bxc4 ({Black should try} 26... Kf7 $14) 27. bxc4 (27. Nf4 $16 Rf6 28. bxc4) 27... Nd8 $14 28. Ba1 {next exf5 is good for White.} Nf7 29. exf5 $1 Bxf5 $2 (29... gxf5 $16 30. Kf2 Qf6) 30. g4 $1 $18 {[%cal Rg4f5]} Bd7 31. Qc2 (31. Qd3 $18 {is the precise move to win.} e4 32. Nxe4 (32. Qxe4 Qxe4 33. Nxe4 Bxa1 $16) 32... Bxa1 33. Nxc5 {[%mdl 64] Discovered Attack}) 31... Qg5 $16 32. Ne4 Bf5 33. Bc3 Bxe4 34. Qxe4 Nh6 35. Rd1 (35. Rf1 $16) 35... Nf5 $1 $132 {[%cal Rf5e3][%mdl 2048] White must now prevent ...Ne3+. Black is fighting back} 36. Bd2 Nh4+ {[%mdl 64] Discovered Attack} 37. Rxh4 {[%mdl 64] Remove Defender} Qxh4 38. Bc1 Qf6 39. Ng1 (39. Rf1 $11 {keeps the balance.}) 39... Qf7 (39... Kh7 $17 {Strongly threatening ...Bh6.} 40. Nh3 Kg8) 40. Nh3 (40. Ne2 $15) 40... Bf6 $1 $17 41. Rh1 a5 (41... Rb4 $17 {...Bh4 is the strong threat.} 42. Qd3 Bd8) 42. Nf2 $11 a4 43. Qd3 Be7 44. Ne4 {[#]} (44. Rh3 $11 {remains equal.}) 44... Rb4 (44... Rb1 $1 $17 {[%mdl 512] aiming for ...Ra1.} 45. Nf2 (45. Qxb1 Qxf3+) 45... Rb4) 45. Ng3 {[#] Black should prevent Rh6.} Rxc4 $1 {[%mdl 512] Threatens to win with ...Rd4.} 46. Rh6 $1 {[%cal Rh6g6] [#]The position is equal.} (46. Qxc4 Qxf3+) 46... Qxf3+ $1 {[%mdl 512]} 47. Qxf3 Rxf3 48. Kxf3 {And now Be3 would win.} Rxc1 49. Rxg6+ {[%mdl 4096] Endgame KRB-KRN} Kf7 50. Re6 Rc3+ 51. Kg2 $1 Rc2+ 52. Kf3 Rc3+ 53. Kg2 $1 Rc2+ 54. Kf3 Rc3+ {Accuracy: White = 53%, Black = 40%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "3"]
[White "Korley, Kassa"]
[Black "Sturt, Raven"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2447"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,7,21,9,5,-19,4,2,49,43,60,65,68,54,46,41,70,25,80,64,91,57,62,58,64,26,33,25,32,25,57,55,60,51,68,68,66,55,66,62,91,77,192,193,253,239,304,296,287,273,274,263,308,308,297,245,231,233,244,241,253,237,342,316,302,76,250,0,0,0,126,118,281,270,1070,1006,1801,1935,6636,7208,29997,1221,29997,29998]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. e3 e6 5. Nf3 Be7 6. Bf4 {A80: Dutch Defence: Unusual White second moves} (6. Bd3 O-O 7. O-O Ne4 8. Bxe7 Qxe7 9. Ne2 Nd6 10. Rc1 Nd7 11. c4 c6 12. Qb3 Kh8 13. Qa3 a5 14. Ne5 {½-½ (45) So,W (2770)-Carlsen,M (2855) Leuven 2016}) 6... a6 $146 ({Predecessor:} 6... c6 7. Bd3 Nbd7 8. Ne5 O-O 9. O-O Qe8 10. f3 Nxe5 11. Bxe5 Nd7 12. Bg3 g5 13. Ne2 Bf6 {0-1 (35) Evans,N (1986)-Zeidler,S (2224) Cardiff 2015}) 7. h3 c5 8. g4 {The position is equal.} c4 9. g5 Nfd7 10. h4 Nc6 11. a4 Bb4 12. Bg2 Qe7 13. O-O O-O (13... h6 $11) 14. Ne2 b6 15. b3 cxb3 16. cxb3 Bb7 17. Nc1 Bc3 18. Rb1 $1 Rfc8 19. Na2 Nb4 20. Qe2 Nxa2 21. Qxa2 a5 22. Rfc1 Ba6 {next ...Bd3 is good for Black.} 23. Bf1 $1 Bxf1 24. Kxf1 Qe8 25. Qe2 e5 (25... Bb4 $16 {was necessary.}) 26. Nxe5 $18 Nxe5 (26... Bb4 {keeps fighting.} 27. Qb5 Nxe5 28. Qxe8+ (28. Bxe5 Qe6 $16) (28. dxe5 Qxb5+ 29. axb5 Kf7 $11) 28... Rxe8 29. Bxe5 (29. dxe5 Bc5 $16) 29... Rac8) 27. Bxe5 ({Weaker is} 27. dxe5 Bxe5 28. Qd3 Qe6 $14) 27... Rc6 28. Qd3 Rac8 29. Qxf5 Bb4 30. Rxc6 Qxc6 31. Kg2 Rf8 32. Qd3 Qe6 33. f3 Rc8 34. Rb2 Rc3 35. Qe2 h6 (35... Qf5 $142 36. Qb5 Qe6) 36. Rc2 Rxb3 37. gxh6 $2 (37. e4 $18 {has better winning chances.} hxg5 38. exd5 (38. hxg5 Qg6 $16) 38... Qxd5 39. hxg5) 37... Qg6+ $16 38. Kh2 $2 (38. Kh3 $1 $18) 38... Qxh6 $11 39. Rc8+ Bf8 (39... Kf7 $1 $11) 40. Qf2 $1 $16 Rxe3 $2 (40... b5 $16) 41. Qg3 $1 $18 Rd3 $2 {[#]} (41... Re2+ 42. Kh3 Qe6+ 43. Qg4 Qxg4+ 44. Kxg4 Kf7) 42. Qg4 $1 Rd2+ 43. Kh3 Rf2 44. Qf5 {[%csl Gf5][%cal Rc8f8]} g5 {[#]} 45. Qxg5+ (45. Rxf8+ $142 $1 {[%mdl 512]} Qxf8 46. Qg6+ {[%mdl 64] Double Attack} Qg7 47. Qxg7#) 45... Kh7 46. Rc7+ {Accuracy: White = 60%, Black = 34%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "3"]
[White "Krush, Irina"]
[Black "Steingrimsson, Hedinn"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2424"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,85,20,31,26,26,13,24,20,38,20,33,34,89,93,105,71,76,62,76,0,0,0,0,0,25,23,31,23,26,14,27,32,31,32,37,39,35,29,30,27,28,0,27,0,22,39,40,0,62,83,159,142,341,239,242,231,332,301,393,375,384,372,2670,2329,29993,29994]} 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. b3 Nc6 6. O-O cxd4 7. exd4 Nb4 8. Be2 Be7 9. a3 Nc6 10. Bd3 O-O 11. Nbd2 a6 12. Bb2 {D05: Colle System with ...e6} b5 13. c3 (13. Ne5 Bb7 14. Qf3 Qb6 15. Rfe1 Rac8 16. Rac1 {0-1 (52) Almagro Llamas,P (2442)-Petkov,V (2566) Llucmajor 2013}) 13... Rb8 $146 ({Predecessor:} 13... Bb7 14. Qc2 Rc8 15. Ng5 {1-0 (13) Reyes Cortes,R (1653)-Calvo Muro,R (1653) ICCF email 2016}) 14. Qe2 {White has an edge.} Qb6 15. Rae1 a5 16. b4 Ne8 {[#]} (16... Bd6 $14) 17. Nb3 $1 $16 Nd6 18. Nc5 Nc4 19. Bc1 Qd8 20. Ne5 ({White should play} 20. h4 $16) 20... N6xe5 $11 21. dxe5 Bxc5 22. bxc5 f5 23. exf6 $1 Qxf6 24. Qc2 h6 25. Bxc4 bxc4 26. Be3 Rb3 27. Bd4 Qf5 28. Qc1 Rf7 29. Re5 Qf4 30. Qc2 a4 31. g3 $36 {[%mdl 2048] White has the initiative.} Qg4 32. Qc1 (32. h3 $5 {[%cal Rh3g4]} Qf3 33. Re3 $11) 32... Qg6 33. Rfe1 Kh7 34. Kg2 Rfb7 (34... Qd3 $11) 35. h4 $14 Rb1 (35... Rf7 $142) 36. Qf4 {Threatens to win with Rxb1.} Qf6 $2 (36... Rxe1 $16 {was worth a try.} 37. Rxe1 Qf7) 37. Qxf6 gxf6 38. Rxe6 {And now Rxb1 would win.} Bxe6 (38... Rxe1 $142 39. Rxe1 Kg6) 39. Rxe6 $18 {KRR-KRB} R1b3 40. c6 Rc7 {intending ...h5.} 41. Rxf6 Rxa3 $2 (41... h5 42. Be5 Rc8) 42. h5 {[#] White threatens Rf8 and mate.} Rb3 43. Rf8 {Accuracy: White = 67%, Black = 33%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "4"]
[White "Khamrakulov, Djurabek"]
[Black "Steingrimsson, Hedinn"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2517"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,71,0,0,0,0,-10,0,-1,-13,0,-14,0,-25,27,0,0,-6,-4,-11,-14,-52,-39,-48,0,0,7,0,15,7,29,0,-6,-12,0,0,0,0,0,0,293,345,300,139,174,108,349,339,695,697,689,656,2371,1533,2160,2159,29983,29984]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 dxe5 8. Nxe5 e6 9. O-O Bd6 {B22: Sicilian: 2 c3} (9... Be7 10. Nf3 O-O 11. Nc3 Nxc3 12. bxc3 b6 13. Re1 Bb7 14. Bd3 Rc8 15. Bd2 Bf6 16. h4 Na5 17. Ng5 Bxg5 18. hxg5 Nc4 19. Bf4 {½-½ (83) Pourramezanali,A (2535)-Kokarev,D (2608) St Petersburg 2018}) 10. Nf3 O-O 11. Nc3 a6 {The position is equal.} 12. Ne4 b5 $146 ({Predecessor:} 12... Be7 13. a3 b5 14. Bb3 Nf6 15. Re1 Nxe4 16. Rxe4 Bb7 17. Rg4 Bf6 18. Bg5 Bxg5 19. Nxg5 h6 20. Nxe6 fxe6 21. Bxe6+ {0-1 (32) Steimbach,I (1790)-Hoffmann,D (1709) Naumburg 2012}) 13. Bd3 Bb7 14. a3 Ra7 (14... Be7 $142) 15. Qc2 h6 16. Be3 Ba8 17. Rad1 Bb8 18. Qc1 Nxe3 19. fxe3 b4 ({Black should try} 19... e5 $15) 20. Bb1 $11 bxa3 21. bxa3 Qe7 22. Qc2 $40 {[%mdl 128] White threatens Nf6+! and mate. White has some attack.} g6 23. Qc3 {d5 is the strong threat.} f5 24. Nc5 Kh7 25. e4 Rc8 {White should prevent ...Nxd4!} 26. Nxe6 Qxe6 27. exf5 Ne7 $2 {[%mdl 8192] [#]} (27... Qd6 $1 $11) 28. Ng5+ $1 $18 {[%mdl 576] Double Attack} Kg8 (28... hxg5 29. Qh3+) 29. Qh3 (29. Nxe6 $18 {is the precise move to win.} Rxc3 30. fxg6 Nxg6 31. Rf6 (31. Bxg6 Bd6 $18)) 29... Qf6 {[#]} 30. Qxh6 (30. Nh7 $1 $18 {[%cal Rh7f6][%mdl 512]} Qc6 (30... Kxh7 31. fxg6+) 31. fxg6 Qxg2+ 32. Qxg2 Bxg2 33. Kxg2) 30... Qh8 $2 (30... Nd5 $16 {is a better defense.}) 31. Ba2+ Nd5 $2 (31... Bd5 32. Bxd5+ {[%mdl 64] Overworked Piece} Nxd5 33. Qxg6+ Kf8) 32. Qxg6+ Kf8 33. h3 {Strongly threatening f6.} Rc2 {Threatens to win with ...Rxg2+!} 34. Ne6+ Ke7 {[#]} 35. f6+ $1 {[%mdl 576] Discovered Attack} Kxe6 (35... Nxf6 36. Qxc2) 36. f7+ {Accuracy: White = 33%, Black = 33%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "4"]
[White "Yudasin, Leonid"]
[Black "Barbosa, Oliver"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2507"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,61,32,28,43,41,54,43,52,52,40,41,41,41,39,39,83,86,82,62,62,41,69,42,69,16,16,16,52,46,57,40,41,35,107,38,65,75,100,62,56,59]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. O-O O-O 11. Qc2 Bh5 12. Ne5 Kh8 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} 13. Rae1 Nd7 $146 ({Predecessor:} 13... Nxe5 14. Bxe5 Bg6 15. f4 Bxd3 16. Qxd3 g6 17. Qh3 Kg8 18. Rf3 Re8 19. g4 Qd8 20. f5 exf5 21. gxf5 Nh5 22. Kh1 Bg5 23. Rg1 Ng7 24. Nb3 b6 25. f6 {1-0 (25) Berkes,F (2640)-Fang,Y (2494) Paracin 2016}) 14. Nxd7 Qxd7 15. Re3 Rac8 16. Qb1 ({Don't play} 16. Bxh7 Nxd4 17. Qd3 {[#]} Ne2+ $1 {[%mdl 512]} 18. Rxe2 Bxe2 $17) 16... Bg6 17. Bxg6 hxg6 18. Qd1 Bd6 19. Bxd6 Qxd6 20. Nf3 Kg8 21. Qd3 a6 22. h4 Ne7 23. Rfe1 (23. Ne5 $14) 23... Nf5 $11 24. R3e2 Qd8 25. g3 b5 26. Kg2 Re8 27. a3 Re7 ({Black should play} 27... Nd6 $14) 28. Ne5 (28. g4 $16) 28... Qe8 29. Qf3 a5 30. Nd3 Qd8 31. Qg4 {Accuracy: White = 59%, Black = 40%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "4"]
[White "Paragua, Mark"]
[Black "Korley, Kassa"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2496"]
[BlackElo "2447"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:07]} 3. g3 {[%emt 0:00:09]} dxc4 {[%emt 0:00:10]} 4. Qa4+ {[%emt 0:00:43]} Nd7 {[%emt 0:00:34]} 5. Bg2 {[%emt 0:00:47]} a6 {[%emt 0:00:34]} 6. Qxc4 {[%emt 0:00:14]} b5 {[%emt 0:00:07]} 7. Qc2 {[%emt 0:00:04]} Bb7 {[%emt 0:00:07]} 8. O-O {[%emt 0:00:10]} Ngf6 {[%emt 0:02:15]} 9. d3 {[%emt 0:01:55]} c5 {[%emt 0:08:27]} 10. Nc3 {[%emt 0:04:46]} Rc8 {[%emt 0:05:09]} 11. a4 {[%emt 0:04:20]} Qb6 {[%emt 0:08:31]} 12. axb5 {[%emt 0:04:51]} axb5 {[%emt 0:00:05]} 13. e4 {[%emt 0:00:27]} Be7 {[%emt 0:01:18]} 14. h3 {[%emt 0:01:37]} Bc6 {[%emt 0:04:26]} 15. Be3 {[%emt 0:01:10]} Qb7 {[%emt 0:00:05]} 16. Nd2 {[%emt 0:00:33]} O-O {[%emt 0:01:41]} 17. Nb3 {[%emt 0:00:25]} Qb8 {[%emt 0:00:22]} 18. Na5 {[%emt 0:02:31]} Ba8 {[%emt 0:00:12]} 19. Qb3 {[%emt 0:02:56]} c4 {[%emt 0:04:54]} 20. dxc4 {[%emt 0:00:53]} b4 {[%emt 0:00:07]} 21. Nb5 {[%emt 0:01:29]} Bxe4 {[%emt 0:00:27]} 22. Na7 {[%emt 0:03:26]} Nc5 {[%emt 0:06:23]} 23. Bxc5 {[%emt 0:00:20]} Bxc5 {[%emt 0:00:07]} 24. Nxc8 {[%emt 0:00:10]} Rxc8 {[%emt 0:00:04]} 25. Kh2 {[%emt 0:21:17]} h5 {[%emt 0:03:26]} 26. Rfe1 {[%emt 0:07:46]} Bxf2 {[%emt 0:04:35]} 27. Rxe4 {[%emt 0:04:48]} Nxe4 {[%emt 0:00:39]} 28. Bxe4 {[%emt 0:00:08]} Qe5 {[%emt 0:04:09]} 29. Bg2 {[%emt 0:09:35]} h4 {[%emt 0:02:57]} 30. Nc6 {[%emt 0:02:20]} Bxg3+ {[%emt 0:04:12]} 31. Kh1 {[%emt 0:01:01]} Qc5 {[%emt 0:01:41]} 32. Qf3 {[%emt 0:03:09]} Bc7 {[%emt 0:11:34]} 33. Rd1 {[%emt 0:01:04]} Bd6 {[%emt 0:00:41]} 34. b3 {[%emt 0:01:22]} g6 {[%emt 0:00:15]} 35. Qe4 {[%emt 0:03:17]} Rc7 {[%emt 0:01:30]} 36. Nd4 {[%emt 0:01:00]} Qh5 {[%emt 0:05:49]} 37. Bf3 {[%emt 0:04:37]} Qg5 {[%emt 0:00:04]} 38. Nb5 {[%emt 0:03:09]} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "4"]
[White "Sturt, Raven"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2466"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,103,6,18,0,0,0,0,-34,-44,-42,-36,-45,-44,-33,-21,-23,-29,-24,-11,-44,-28,-61,-53,-77,-49,-83,-41,-83,-85,-166,-131,-155,-165,-154,-152,-170,-141,-145,-135,-167,-177,-161,-166,-173,-164,-188,-113,-119,-119,-103,-125,-117,-110,-116,12,0,41,0,0,0,0,-229,-222,-559,-561,-560,-535,-549,-543,-705,-715,-710,-699,-674,-594,-583,-583,-531,-426,-381,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bc4 e6 7. cxd4 d6 8. O-O Be7 9. exd6 {B22: Sicilian: 2 c3} Qxd6 (9... Bxd6 10. Nc3 O-O 11. Re1 h6 12. Bb3 Nf6 13. Ne5 Bc7 14. Be3 Bd7 15. Nxd7 Qxd7 16. d5 exd5 17. Nxd5 Nxd5 18. Qxd5 {1-0 (24) Vachier Lagrave,M (2779)-Grischuk,A (2775) Stavanger 2019}) 10. Nbd2 Nf6 11. Nb3 O-O 12. Qe2 b6 13. Bg5 Bb7 14. Rad1 $146 ({Predecessor:} 14. Rfe1) 14... Nb4 15. a3 Nbd5 16. Ne5 Nd7 17. Bc1 Rac8 18. Bb5 N7f6 19. f4 Nc7 20. Bd3 Qd5 21. Rf3 g6 $36 {[%mdl 2048] Black is really pushing.} 22. Bb1 (22. Bc4 $17 Qd6 23. Rh3) 22... Qb5 23. Rfd3 Be4 24. Nd2 Bxd3 25. Bxd3 Qa4 26. Ndf3 Ncd5 27. Rf1 Rc7 28. Bd2 Qb3 29. Rb1 {[#]} b5 $1 30. g4 (30. Bxb5 Bxa3) 30... b4 (30... Bd6 $19 31. f5 exf5 32. gxf5 a6) 31. f5 $17 exf5 (31... bxa3 32. bxa3 Qa2 33. fxe6) 32. gxf5 bxa3 33. bxa3 Qxa3 34. Qg2 {[%cal Rf5g6]} Bd8 ({Black should try} 34... Bd6 $17 35. fxg6 hxg6) 35. Kh1 {[%cal Rf5g6]} Qd6 36. Rg1 {[%cal Rf5g6][%mdl 1024] White has compensation.} (36. Nc4 $5 {[%cal Rc4d6]} Qd7 37. Nfe5 $14) 36... Nh5 $1 {[%cal Rh5f4] Strongly threatening ...Nhf4.} 37. Qg4 $1 {[%cal Rg4h5] Qxh5 is the strong threat.} Ndf6 {[%cal Bd5f6,Bf6e4,Be4f2][%mdl 32]} 38. Qg5 $2 {[#]} (38. Qg2 $1 $11) 38... Ne4 $1 $19 {[%cal Re4f2][%mdl 576] Discovered Attack} 39. Qh6 $2 (39. Qe3 {is a better chance.} Nxd2 40. Nxd2) (39. Bxe4 Bxg5) 39... Nf2+ 40. Kg2 Nxd3 41. Nxd3 {aiming for Bb4.} Qd7 42. Bb4 {[%csl Gb4][%cal Rh6f8]} Re8 43. Re1 Rc2+ 44. Kg1 Bf6 45. Rxe8+ Qxe8 46. Nde5 Ng7 47. Ng4 Nh5 $2 {[#]} (47... Qc6 $19 {( -> ...Bxd4+)} 48. Qf4 Nh5 49. Qb8+ Qc8 50. Qxc8+ Rxc8 51. fxg6 hxg6) 48. Qxh5 $1 {[%mdl 512] The position is equal.} Rc1+ (48... Bxd4+ $2 49. Nxd4 Rg2+ 50. Kf1 $18) (48... gxh5 49. Nxf6+) 49. Kf2 $1 Rc2+ (49... gxh5 $2 50. Nxf6+ Kh8 51. Nxe8 $18) (49... Bxd4+ $2 50. Nxd4 gxh5 51. Nf6+ Kh8 52. Nxe8 $18) 50. Kg1 $1 Rc1+ (50... gxh5 $2 {loses.} 51. Nxf6+ Kh8 52. Nxe8 $18) (50... Bxd4+ $2 51. Nxd4 Rg2+ 52. Kf1 $18) 51. Kf2 $1 Rc2+ (51... gxh5 $2 {perishes.} 52. Nxf6+ Kh8 53. Nxe8 $18) ({Don't go for} 51... Bxd4+ $2 52. Nxd4 gxh5 53. Nf6+ {[%mdl 64] Double Attack} Kh8 54. Nxe8 $18) 52. Kg1 $1 {Accuracy: White = 40%, Black = 63%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.15"]
[Round "4"]
[White "Niemann, Hans Moke"]
[Black "Panjwani, Raja"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2436"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,22,69,20,20,0,13,22,22,24,56,11,16,15,48,49,61,68,58,54,86,85,135,135,112,88,86,79,126,91,95,0,48,52,54,56,52,49,80,30,57,7,118,0,6,0,-3,0,0,-74,-72,-79,-83,-61,-31,-40,-35,-38,-25,-26,0,0,0,0,0,0,211,211,205,205,220,217,217,210,301,294,251,220,408,407,638,634,878,879,820,857,920,931,1014,1015,986,947,945,947]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Ne2 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} (6. Qb3 $5 {[%cal Rc4d5]} c6 7. Nc3 $16 (7. Qxb7 Nb6 $15)) 6... e6 7. a3 (7. Nbc3 Nb6 8. Bb5+ Nc6 9. Ng3 Bg6 10. h4 h5 11. Nge2 Bf5 12. Ng3 Bg6 13. Nge2 Bf5 14. Ng3 Bg6 {½-½ (14) Mamedyarov,S (2764)-So,W (2776) Saint Louis 2019}) 7... Be7 8. Nbc3 $146 {The position is equal.} ({Predecessor:} 8. O-O O-O 9. Nbc3 Nxc3 10. bxc3 c5 11. Be3 Nd7 12. Ng3 Bg6 13. f4 cxd4 14. cxd4 {0-1 (28) Voege,T (2294)-Carow,J (2445) Magdeburg 2019}) 8... Nb6 9. Ba2 O-O 10. O-O c5 $1 11. Be3 c4 12. Ng3 Bg6 13. Qg4 Nc6 14. Rad1 Kh8 15. Nh5 Na5 16. Nf4 Bf5 17. Qf3 Bg5 18. d5 Bxf4 19. Bxf4 Bd3 {[%cal Re6d5]} 20. d6 (20. dxe6 $16 fxe6 21. Bxc4 $1 {[%mdl 576] Remove Defender} Nbxc4 22. Rxd3) 20... f6 21. Rxd3 {aiming for Re3.} fxe5 22. Rdd1 Rxf4 23. Qh3 Qf6 24. g3 Rd4 25. Bb1 {[%csl Gb1][%cal Rh3h7]} h6 {[#]} (25... Qh6 $1 $11 26. Qxh6 gxh6) 26. Ne4 (26. Rde1 $1 $16) 26... Qf5 $11 27. Qxf5 exf5 28. Nc5 Rd8 29. f4 {Played: Nc5-e6} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "5"]
[White "Steingrimsson, Hedinn"]
[Black "Sturt, Raven"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2549"]
[BlackElo "2466"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} f5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:31]} Nf6 {[%emt 0:00:08]} 3. g3 {[%emt 0:00:04]} g6 {[%emt 0:00:08]} 4. Bg2 {[%emt 0:00:19]} Bg7 {[%emt 0:00:04]} 5. b3 {[%emt 0:00:05]} O-O {[%emt 0:00:15]} 6. O-O {[%emt 0:00:23]} b6 {[%emt 0:01:54]} 7. Ne5 {[%emt 0:01:59]} c6 {[%emt 0:00:11]} 8. Nd2 {[%emt 0:02:07]} Qe8 {[%emt 0:08:16]} 9. Bb2 {[%emt 0:01:24]} d6 {[%emt 0:03:23]} 10. Nd3 {[%emt 0:00:58]} Na6 {[%emt 0:03:49]} 11. Re1 {[%emt 0:06:32]} Nc7 {[%emt 0:03:46]} 12. c4 {[%emt 0:08:07]} Ne6 {[%emt 0:05:33]} 13. e4 {[%emt 0:09:03]} fxe4 {[%emt 0:01:50]} 14. Nxe4 {[%emt 0:00:00]} Nxe4 {[%emt 0:11:37]} 15. Rxe4 {[%emt 0:00:01]} Ng5 {[%emt 0:00:09]} 16. Re3 {[%emt 0:00:04]} Nh3+ {[%emt 0:01:03]} 17. Bxh3 {[%emt 0:03:29]} Bxh3 {[%emt 0:00:26]} 18. g4 {[%emt 0:00:00]} c5 {[%emt 0:04:39]} 19. d5 {[%emt 0:08:46]} Bxb2 {[%emt 0:02:37]} 20. Nxb2 {[%emt 0:00:00]} Qf7 {[%emt 0:00:06]} 21. Nd3 {[%emt 0:00:02]} Bxg4 {[%emt 0:02:05]} 22. Qxg4 {[%emt 0:00:02]} Kh8 {[%emt 0:00:08]} 23. Rae1 {[%emt 0:00:07]} Rae8 {[%emt 0:00:04]} 24. Qg5 {[%emt 0:01:00]} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "5"]
[White "Barbosa, Oliver"]
[Black "Khamrakulov, Djurabek"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2532"]
[BlackElo "2517"]
[Annotator "ChessBase"]
[PlyCount "62"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:18]} 2. c4 {[%emt 0:00:20]} dxc4 {[%emt 0:00:17]} 3. e3 {[%emt 0:00:27]} Nf6 {[%emt 0:00:51]} 4. Bxc4 {[%emt 0:00:07]} e6 {[%emt 0:00:14]} 5. Nf3 {[%emt 0:00:08]} a6 {[%emt 0:00:29]} 6. O-O {[%emt 0:00:35]} c5 {[%emt 0:00:13]} 7. dxc5 {[%emt 0:00:26]} Bxc5 {[%emt 0:00:18]} 8. Qxd8+ {[%emt 0:00:38]} Kxd8 {[%emt 0:00:05]} 9. b3 {[%emt 0:00:40]} Ke7 {[%emt 0:00:28]} 10. Bb2 {[%emt 0:00:43]} Nbd7 {[%emt 0:00:39]} 11. Nbd2 {[%emt 0:00:30]} b6 {[%emt 0:00:43]} 12. Rfd1 {[%emt 0:00:37]} Bb7 {[%emt 0:00:29]} 13. Rac1 {[%emt 0:00:24]} Rac8 {[%emt 0:00:27]} 14. Kf1 {[%emt 0:00:17]} Bd6 {[%emt 0:00:42]} 15. Be2 {[%emt 0:00:22]} b5 {[%emt 0:00:55]} 16. a4 {[%emt 0:01:16]} bxa4 {[%emt 0:01:57]} 17. bxa4 {[%emt 0:00:07]} Bb4 {[%emt 0:01:18]} 18. a5 {[%emt 0:13:24]} Rxc1 {[%emt 0:03:01]} 19. Rxc1 {[%emt 0:00:19]} Rc8 {[%emt 0:01:11]} 20. Rxc8 {[%emt 0:02:06]} Bxc8 {[%emt 0:00:01]} 21. Nc4 {[%emt 0:00:07]} Bb7 {[%emt 0:01:14]} 22. Nd4 {[%emt 0:01:10]} Ne4 {[%emt 0:01:47]} 23. Nc2 {[%emt 0:04:22]} Nd2+ {[%emt 0:00:57]} 24. Nxd2 {[%emt 0:00:07]} Bxd2 {[%emt 0:00:07]} 25. Ba3+ {[%emt 0:00:48]} Kd8 {[%emt 0:00:43]} 26. Nb4 {[%emt 0:02:10]} Ne5 {[%emt 0:01:49]} 27. Nxa6 {[%emt 0:00:40]} Bxa5 {[%emt 0:01:03]} 28. Nc5 {[%emt 0:00:43]} Bc8 {[%emt 0:02:07]} 29. Ne4 {[%emt 0:01:21]} f5 {[%emt 0:07:19]} 30. Nd6 {[%emt 0:00:59]} Bc7 {[%emt 0:00:29]} 31. Nxc8 {[%emt 0:01:52]} Kxc8 {[%emt 0:00:01]} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "5"]
[White "Panjwani, Raja"]
[Black "Yudasin, Leonid"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2450"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,138,45,48,47,57,58,58,47,43,47,30,35,30,18,8,10,11,10,22,22,20,13,35,34,52,37,39,40,48,52,29,25,22,21,25,27,25,25,25,0,0,0,0,0,0,0,0,-33,-49,-30,-43,-164,-116,-172,-172,-196,-171,-168,-151,-170,-176,-233,-206,-233,-220,-243,-219,-312,-312,-419,-295,-294,-259,-299,-297,-284,-267,-266,-266,-267,-265,-276,-266,-267,-267,-257,-253,-267,-267,-341,-335,-326,-322,-457,-444,-452,-431,-713,-700,-787,-766,-787,-777,-699,-684,-856,-765,-966,-651,-644,-633,-837,-597,-1485,-1396,-5604,-1086,-678,-652,-4702,-618]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. e4 d6 7. Be2 Be7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Bd7 11. Rfd1 {B54: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4, Unusual Lines} Rc8 12. Nxc6 (12. f3 Qc7 13. Rac1 Qb8 14. Nxc6 Bxc6 15. a4 b6 16. Qe1 Nd7 17. Rb1 Bb7 18. Qg3 Rfe8 19. Bd4 Bf8 20. Bf1 Qc7 21. Kh1 Ne5 22. b3 Nd7 23. Rd2 {½-½ (23) Jovanovic,Z (2540)-Galic,I (2416) Biograd 2018}) 12... Bxc6 13. f3 {White is slightly better.} Qc7 14. Bd4 Rfd8 15. a4 $146 ({Predecessor:} 15. Rac1 Qb8 16. Bb6 Re8 17. b4 Nd7 18. Bd4 {0-1 (26) Mutlu,B (1759)-Olde,M (2059) Prague 2016}) 15... b6 16. Qe3 Nd7 17. Qf2 a5 18. Qg3 {[%csl Gd4][%cal Rg3g7]} Bf6 19. Bxf6 Nxf6 20. Rd2 Ne8 21. Rad1 Rb8 22. Qh4 Rd7 23. Kf1 Qd8 24. Qf4 e5 25. Qe3 Nc7 26. Nb5 Ne6 27. b3 Bxb5 28. cxb5 Nd4 29. Rxd4 exd4 30. Qxd4 Qc7 31. Qd5 Rc8 32. f4 {Threatens to win with Bg4.} Rdd8 33. Bg4 Rb8 34. Qc6 Qe7 {Strongly threatening ...Qh4.} 35. Qd5 (35. g3 $15) 35... Qh4 36. h3 (36. Qh5 $17 Qe7 37. g3) 36... Qg3 $19 37. Kg1 Qxf4 38. Rf1 Qe3+ 39. Kh2 Rf8 40. Qxd6 (40. Bd7 $142) 40... Qxe4 ({Worse is} 40... Qxb3 {[#]} 41. Rxf7 $1 {[%mdl 512]} Qb4 42. Rxg7+ Kxg7 43. Qe5+ Kg6 44. Bf5+ Kh6 45. Qf4+ Kg7 46. Qe5+ Kh6 47. Qf4+ Kg7 48. Qe5+ Kh6 $11) 41. Bf5 Qe8 42. Bd7 Rd8 {Played: Qe8-d8} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "5"]
[White "Korley, Kassa"]
[Black "Niemann, Hans Moke"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2447"]
[BlackElo "2436"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:01]} 2. c4 {[%emt 0:00:01]} e6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:03]} Bb4 {[%emt 0:00:29]} 4. g3 {[%emt 0:00:05]} d5 {[%emt 0:03:11]} 5. Bg2 {[%emt 0:00:03]} O-O {[%emt 0:00:05]} 6. a3 {[%emt 0:00:13]} Bxc3+ {[%emt 0:01:01]} 7. bxc3 {[%emt 0:00:00]} c5 {[%emt 0:01:33]} 8. cxd5 {[%emt 0:13:10]} exd5 {[%emt 0:00:49]} 9. e3 {[%emt 0:14:45]} Bf5 {[%emt 0:08:19]} 10. Ne2 {[%emt 0:03:30]} Nc6 {[%emt 0:03:10]} 11. O-O {[%emt 0:01:14]} c4 {[%emt 0:00:20]} 12. f3 {[%emt 0:07:16]} h5 {[%emt 0:13:19]} 13. e4 {[%emt 0:12:47]} dxe4 {[%emt 0:08:21]} 14. fxe4 {[%emt 0:00:00]} Bxe4 {[%emt 0:00:15]} 15. Bg5 {[%emt 0:00:24]} Bd3 {[%emt 0:01:29]} 16. Bxf6 {[%emt 0:01:47]} gxf6 {[%emt 0:00:53]} 17. Rf2 {[%emt 0:04:51]} Qa5 {[%emt 0:00:04]} 18. Qd2 {[%emt 0:04:35]} Qg5 {[%emt 0:00:31]} 19. Nf4 {[%emt 0:00:15]} Bh7 {[%emt 0:00:08]} 20. h4 {[%emt 0:02:50]} Qh6 {[%emt 0:00:11]} 21. Raf1 {[%emt 0:03:27]} Rad8 {[%emt 0:00:01]} 22. Qe2 {[%emt 0:02:17]} Rfe8 {[%emt 0:01:21]} 23. Qxc4 {[%emt 0:01:20]} Ne7 {[%emt 0:00:11]} 24. Nd5 {[%emt 0:11:13]} Nxd5 {[%emt 0:00:05]} 25. Bxd5 {[%emt 0:00:01]} Qg7 {[%emt 0:00:04]} 26. Bxb7 {[%emt 0:03:37]} Rb8 {[%emt 0:07:34]} 27. Qc7 {[%emt 0:03:35]} Kh8 {[%emt 0:01:43]} 28. Kh2 {[%emt 0:02:43]} Bd3 {[%emt 0:02:55]} 29. Re1 {[%emt 0:03:46]} f5 {[%emt 0:00:00]} 30. Re7 {[%emt 0:01:30]} Rxe7 {[%emt 0:00:08]} 31. Qxb8+ {[%emt 0:01:45]} Kh7 {[%emt 0:00:04]} 32. Bf3 {[%emt 0:01:11]} Qh6 {[%emt 0:00:16]} 33. Qf4 {[%emt 0:01:19]} Qxf4 {[%emt 0:00:07]} 34. gxf4 {[%emt 0:00:00]} Rc7 {[%emt 0:00:04]} 35. Bxh5 {[%emt 0:01:21]} Rxc3 {[%emt 0:00:59]} 36. Bxf7 {[%emt 0:00:03]} Kg7 {[%emt 0:00:36]} 37. Be6 {[%emt 0:00:00]} Kf6 {[%emt 0:00:11]} 38. Bg8 {[%emt 0:00:40]} Be4 {[%emt 0:00:42]} 39. h5 {[%emt 0:00:02]} Rc1 {[%emt 0:00:09]} 40. Kh3 {[%emt 0:01:34]} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "5"]
[White "Krush, Irina"]
[Black "Paragua, Mark"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2424"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,118,34,51,42,39,39,51,56,47,28,45,16,10,13,21,-39,-36,-42,-38,-39,-38,-41,-42,-39,-32,-100,-76,-92,-100,-98,-106,-102,-109,-119,-117,-129,-116,-102,-68,-87,-81,-95,-88,-118,-105,-100,-100,-166,-166,-166,-157,-157,-159,-157,-158,-150,-143,-166,-158,-169,-169,-157,-176,-169,-168,-170,-177,-208,-199,-241,-229,-233,-205,-205,-205,-205,-205,-234,-227,-354,-350,-350,-350,-350,-350,-346,-331,-306,-301,-291,-291,-6420,-6281,-6635,-6429,-5602,-5595,-5155,-2537,-7100,-6975,-29965,-29968,-29958,-146,-146,-146,-29987,-29988,-29988,-29988]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 c6 (5... Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Nf3 Bg7 9. Qb1 b6 10. Ng5 Bd5 11. e4 h6 12. Nh3 Bb7 13. Bxc4 c5 14. Nf4 Qd7 15. e5 e6 16. O-O cxd4 17. Bf6 Bxf6 18. exf6 {0-1 (44) Wei,Y (2736)-Vachier Lagrave,M (2780) Abidjan 2019}) 6. e3 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} Qa5 7. cxd5 Nxc3 8. Qd2 {[%mdl 64] Pin. White is slightly better.} e6 9. bxc3 {aiming for dxc6.} cxd5 10. Nf3 b6 11. Bf6 $146 ({Predecessor:} 11. Ne5 Nd7 12. f4 Ba6 13. Bd3 Bxd3 14. Qxd3 {½-½ (69) Gilevich,A (2422)-Marin,M (2529) Erice 2017}) 11... Rg8 12. Ne5 ({White should play} 12. Bd3 $11) 12... Nd7 $1 $15 {[%cal Rd7f6]} 13. Nxd7 $1 Bxd7 14. Bd3 Rc8 15. O-O Qxc3 16. Qe2 $1 Be7 $36 {[%mdl 2048] Black fights for an advantage.} 17. Be5 (17. Bxe7 $1 $15 Kxe7 18. a4) 17... f6 18. Bg3 Qa3 19. e4 dxe4 20. Bxe4 Kf7 21. Bb7 Rc3 22. Rfe1 Bd6 23. Qd2 Bxg3 24. hxg3 Rd8 25. Qh6 Kg8 26. Rac1 Rxc1 27. Rxc1 Qd6 28. Qf4 (28. Qe3 $17 {was necessary.}) 28... Qxf4 $19 29. gxf4 {[%mdl 4096] Endgame KRB-KRB} Be8 30. Bc8 Bf7 31. Rc7 Rxd4 32. Rxa7 Rxf4 33. Ra8 Kg7 $1 34. Ra7 {Bxe6 is the strong threat.} Kf8 $1 35. Ra8 e5 36. Rb8 Rb4 37. a3 Rb2 38. Ba6+ Be8 39. a4 {Hoping for Bb5.} Ke7 40. a5 b5 {Played: Rb2-a2} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "6"]
[White "Barbosa, Oliver"]
[Black "Panjwani, Raja"]
[Result "1-0"]
[ECO "E57"]
[WhiteElo "2532"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,77,15,9,27,0,66,56,67,64,60,58,116,70,155,161,146,156,152,70,61,35,37,42,77,83,95,98,118,113,126,104,319,327,327,312,947,872,1022,524,524,501,29980,29981,29990,29991,29991,29992,29992,29993,29993,29993,29993,29992,29994,29995,29996,29997]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O cxd4 7. exd4 Be7 8. Nc3 O-O 9. Re1 Nc6 10. a3 b6 11. Qd3 Bb7 12. Bg5 Rc8 {E57: Nimzo-Indian: Rubinstein: Main Line: 7...Nc6 8 a3 dxc4 9 Bxc4 cxd4} (12... h6 13. Bxf6 Bxf6 14. Rad1 Ne7 15. Ne4 Nf5 16. Ba2 Re8 17. Bb1 g6 18. g4 Nh4 19. Nxh4 Bxh4 20. Qe3 {0-1 (44) Short,N (2655)-Vallejo Pons,F (2700) Madrid 2016}) 13. Rad1 Na5 ({Better is} 13... h6 $11) 14. Ba2 $1 $14 Re8 {White is slightly better.} 15. Ne5 {Black must now prevent Nxf7!} Nd5 $146 ({Predecessor:} 15... g6 16. Qh3 h5 17. Nxf7 Kxf7 18. Qxe6+ Kg7 19. Qf7+ Kh8 20. Rxe7 {1-0 (20) Naumkin,I (2435)-Dallaglio,G (2055) Bozen 1998}) 16. Bd2 Bf8 ({Black should play} 16... Bg5 $14) 17. Ne4 {[%cal Bc3e4,Be4g5,Bg5f7][%mdl 32]} ({But not} 17. Nxd5 $6 Bxd5 18. Bxd5 (18. Bb1 g6 $11) 18... Qxd5 $11) 17... f5 (17... Be7 $14) 18. Ng5 $16 {aiming for Ng6!} h6 19. Ngf7 $40 {[%mdl 128] White has strong attack.} Qf6 20. g4 ({White should try} 20. Qh3 $16) 20... Nc6 $1 $14 21. Bb1 Nxe5 22. Nxe5 {[%cal Rg4f5]} Ne7 23. Qg3 {And now g5 would win.} Nc6 24. g5 Qd8 25. gxh6 Nxe5 26. dxe5 {Hoping for Bb4.} Qd5 $2 {[#]} (26... Qc7 $16) 27. Be4 $1 $18 {[%cal Re4d5][%mdl 512]} fxe4 28. Bb4 {[%mdl 64] Discovered Attack} e3 $2 (28... Qc6) 29. Rxd5 exf2+ 30. Qxf2 Bxd5 31. Rf1 {Qf7+ would kill now.} Kh7 (31... gxh6 $18 32. Qf6 Bg7) 32. Qg3 {White mates.} Kxh6 33. Qh3+ Kg6 34. Qd3+ Kh6 35. Bd2+ g5 36. Rf6+ Kg7 37. Qg6+ Kh8 38. Rf7 {[%csl Gf7][%cal Rg6h7]} Bc5+ {[#]} 39. Kf1 $1 {Accuracy: White = 81%, Black = 29%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "6"]
[White "Khamrakulov, Djurabek"]
[Black "Sturt, Raven"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2517"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,76,53,52,30,34,33,33,1,23,26,27,0,3,0,22,0,0,0,0,0,0,0,0,-17,-15,-10,0,0,0,0,6,0,6,0,26,6,2,1,8,-9,12,22,25,16,33,0,0,0,0,0,0,0,14,45,1061,1108,4978,2629,1622,947,895,752,29997,29998,29998,29999,29999]} 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. Be2 Nc6 6. O-O e6 7. Nc3 {B01: Scandinavian Defence} (7. h3 Bh5 8. c4 Nb6 9. Be3 Bxf3 10. Bxf3 Nxc4 11. Qa4 Nb6 12. Bxc6+ bxc6 13. Qxc6+ Qd7 14. Qf3 Bd6 15. Nc3 O-O 16. Rac1 Rfb8 {1-0 (28) Volokitin,A (2636)-Shishkov,A (2390) Riga 2019}) 7... Nxc3 8. bxc3 Be7 9. Be3 $146 {White is slightly better.} ({Predecessor:} 9. Rb1 Rb8 10. h3 Bh5 11. Be3 O-O 12. c4 b6 13. Qd2 {0-1 (43) Latorre Abad,F (2069)-Palacios Latasa,E (2232) Aragon 2014}) 9... Bf6 10. h3 Bf5 11. c4 O-O 12. c3 Qd7 13. Nd2 Rad8 14. Nb3 h6 15. f4 b6 16. Bf3 Bh7 17. Qe2 Ne7 18. g4 Nc8 19. c5 Qa4 20. Rad1 Be7 21. d5 exd5 22. Bxd5 bxc5 23. Nxc5 Qc2 24. Qf3 {White wants to play Bd4.} Qxc3 25. Rc1 Qa3 {Strongly threatening ...Rxd5!} 26. Bb3 Nb6 27. f5 a5 {[%cal Ba7a5,Ba5a4,Ba4b3][%mdl 32]} 28. Nb7 Rd3 {And now ...Nd5! would win.} 29. Qe4 $36 {[%mdl 2048] [#] White has the initiative.} ({Much worse is} 29. Rxc7 Rxe3 30. Qxe3 Nd5 $19) 29... Rxe3 $1 {[%mdl 512]} 30. Qxe3 {Black must now prevent Rc3.} a4 $1 {[%cal Ra4b3]} 31. Rfe1 $1 ({But not} 31. Rxc7 $2 Nd5 $19) 31... axb3 32. Qxe7 Qxa2 $2 {[%mdl 8192] [#]} (32... Qa7 $14) 33. Rcd1 $1 $18 {White wants to mate with Qxf8+!} g5 34. Rd8 {[%csl Gd8][%cal Re7f8]} Nd7 35. Qxd7 {Threatening mate with Rxf8+.} Qa7+ 36. Qd4 Qxb7 37. Rxf8+ {[%mdl 64] Overworked Piece. White mates.} Kxf8 38. Qh8+ {[%mdl 64] Double Attack} Bg8 39. Qxh6# {Accuracy: White = 53%, Black = 52%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "6"]
[White "Yudasin, Leonid"]
[Black "Korley, Kassa"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2507"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "166"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,170,33,27,33,38,31,24,20,23,16,16,13,6,-34,-26,-29,-19,-45,-45,-32,-31,-29,-20,-50,-31,-29,-28,-35,-10,-20,-21,-22,0,0,0,-7,0,0,0,0,-12,-31,-30,-90,-89,-82,-82,-108,-102,-122,-106,-133,-139,-145,-141,-145,-145,-133,-135,-144,-146,-140,-146,-134,-122,-123,-102,-98,-97,-116,-116,-133,-133,-133,-127,-132,-120,-151,-107,-163,-145,-168,-163,-180,-135,-127,-72,-124,-127,-350,-331,-316,-316,-310,-147,-160,-102,-199,-199,-258,-254,-343,-304,-350,-322,-505,-551,-527,-486,-526,-517,-537,-539,-459,-517,-508,-539,-466,-449,-429,0,-429,-234,-212,0,-361,-266,-266,-266,-657,-657,-657,-657,-657,-654,-585,-560,-1136,-679,-671,-662,-1905,-1717,-1411,-1390,-29969,-29971,-29972,-29973,-29978,-29979,-29976,-29976,-29975,-29977,-29976,-29978,-29978,-29979]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 8. Ba2 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} c5 9. Nbd2 $146 (9. c3 Nc6 10. Nbd2 h6 11. Nf1 Re8 12. h3 Bf8 13. Ne3 Be6 14. Bxe6 Rxe6 15. Nd5 Re8 16. Nxf6+ Qxf6 {½-½ (30) Jakovenko,D (2719)-Yu,Y (2751) Shenzhen 2019}) ({Predecessor:} 9. c3 Nc6 10. Na3 h6 11. h3 Re8 12. Nc4 {½-½ (41) Van Foreest,J (2614)-Stevic,H (2587) Skopje 2018}) 9... Nc6 10. Nc4 {White has an edge.} Be6 11. c3 h6 12. h3 Re8 13. Ne3 Bxa2 14. Rxa2 d5 15. exd5 Nxd5 16. Nc4 Bf6 17. a5 Qd7 18. Qb3 Rad8 19. Ra1 Re6 20. Bd2 a6 21. Be3 Be7 22. Qa3 Nc7 23. Qb3 (23. Bxc5 $2 Nb5 $19) 23... Nb5 24. Rad1 Qc7 25. Qa2 Bf8 26. Nb6 Rde8 27. Nd2 Nxa5 28. Qxa5 (28. Nd5 $11 Qd8 29. Ne4) 28... Qxb6 29. Qxb6 Rxb6 30. Ne4 Rc6 31. c4 Nc7 32. f4 exf4 33. Bxf4 Ne6 34. Be3 Rd8 35. Nc3 Rb6 36. Rd2 Rb3 37. Nd5 Bd6 38. Kf1 Bg3 39. Bf2 Bf4 40. Nxf4 Nxf4 41. Bxc5 Ne6 42. Be3 Rdxd3 43. Rxd3 Rxd3 $17 {[%mdl 4096] Endgame KRB-KRN} 44. Re2 g5 45. Kf2 h5 46. Rc2 (46. b4 $17 {might work better.}) 46... Kg7 47. c5 Rb3 $1 48. Bc1 Rb5 49. c6 Rf5+ (49... bxc6 $142 $1 50. Rxc6 a5) 50. Kg1 (50. Ke3 $142 bxc6 51. Rxc6) 50... bxc6 51. Rxc6 $2 (51. b4 $17) 51... Nd4 $19 52. Rc4 Ne2+ 53. Kh2 {[#]} Nxc1 (53... g4 $1 $19 {[%mdl 512] and Black stays clearly on top. ( -> ...g3+)} 54. hxg4 hxg4 55. Rxg4+ Kf6) 54. Rxc1 {[#] KR-KR} Rb5 (54... a5 $142 $1 55. b3 Rb5) 55. Rc2 (55. h4 $17 {is a better defense.}) 55... h4 56. Kg1 (56. b4 {was worth a try.}) 56... a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 57. Kf2 Kg6 58. Ke3 Rb3+ 59. Kd4 (59. Ke2 {was called for.}) 59... a4 60. Ke5 f6+ 61. Ke4 Rg3 62. Rd2 f5+ 63. Ke5 Re3+ 64. Kd4 f4 65. Rc2 Kh5 66. Rf2 Kg6 67. Rc2 Rb3 (67... Kf6 $142 68. Rc6+ Ke7) 68. Ke4 Re3+ (68... Rb5 $142 69. Rc6+ Kf7) 69. Kd4 {White hopes to continue with Rc6+.} Kf6 70. Rc6+ Re6 71. Rc2 $2 {[#]} (71. Rc4) 71... g4 $1 {[%mdl 512]} 72. hxg4 Kg5 73. Rc8 {intending Rg8+.} Rg6 74. Ke5 Kxg4 75. Rc4 Rg5+ 76. Ke4 Rg8 77. Rxa4 Re8+ 78. Kd3 Re3+ 79. Kd2 Rg3 {Black mates.} 80. Ke2 Rxg2+ 81. Kf1 h3 82. Ra8 f3 83. Rg8+ {[#]} Kh4 {Played: Kg4-f4} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "6"]
[White "Paragua, Mark"]
[Black "Steingrimsson, Hedinn"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2496"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,49,6,20,16,19,20,10,24,0,0,0,0,-6,14,-6,0,0,0,0,-9,-15,82,87,145,57,243,173,897,893,1403,1337,29984,29985,29990,29990,29990,29991,29997,29988,29998,29999]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. e3 Nc6 {[%cal Bb8c6,Bc6e5,Be5f3][%mdl 32] A22: English Opening: 1...e5 2 Nc3 Nf6} 7. Nge2 $1 g6 (7... Qd3 8. f4 Bb4 9. fxe5 Nxe5 10. Nf4 Qa6 11. Qc2 O-O 12. d4 Ng4 13. Nd3 Bxc3+ 14. Qxc3 {½-½ (36) Aronian,L (2762)-Nepomniachtchi,I (2773) Moscow 2019}) 8. d4 exd4 {The position is equal.} 9. exd4 Bg7 10. d5 Ne5 11. O-O Bg4 $146 ({Predecessor:} 11... O-O 12. Bf4 Nbc4 13. b3 Nd6 14. Qd2 {½-½ (33) Cornette,M (2599)-Hertneck,G (2476) Germany 2017}) 12. b3 Nf3+ 13. Kh1 {[#]} Nxh2 $1 {[%mdl 512]} 14. Kxh2 {aiming for Qd2.} Bxc3 $1 15. Ba3 {f3 is the strong threat.} Bxa1 (15... Qg5 $11 {remains equal.} 16. f3 Bxa1 17. Qxa1 O-O-O 18. fxg4 Nxd5 19. Rxf7 Ne3) 16. Qxa1 $16 Kd7 {[#]} (16... f6 $142) 17. Nd4 ({White should try} 17. Qg7 $1 $16) 17... Qg5 $2 ({Better is} 17... Qf6 $1 $14) 18. Rc1 {Black must now prevent Ne6!} Rac8 $2 {[#]} ({Worse is} 18... Nxd5 19. Nb5 $15) (18... Rhe8) 19. Ne6 $1 $18 {[%mdl 512]} Qh5+ (19... fxe6 20. Qg7+) 20. Kg1 {White wants to mate with Qf6.} Nxd5 21. Nc5+ {[%mdl 64] Double Attack. White mates.} Kc6 22. Qf6+ Kb5 23. Qd4 Rhd8 24. Qa4+ Kb6 {[#]} 25. Nd7+ $1 {[%mdl 576] Clearance. Accuracy: White = 65%, Black = 24%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.16"]
[Round "6"]
[White "Niemann, Hans Moke"]
[Black "Krush, Irina"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2436"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,79,15,12,0,3,10,9,0,-1,1,9,0,10,6,6,6,30,23,36,-20,-20,-15,3,13,27,29,23,26,18,19,189,191,314,231,245,245,249,252,244,231,462,447,501,498,491,498,481,400,449,438,449,456,419,397,450,436,443,424,558,555]} 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O c5 7. Nc3 Nc6 8. dxc5 dxc5 9. Be3 Be6 10. Bxc5 Qa5 11. Ba3 Bxc4 12. Nd2 {E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White} Be6 13. Qa4 Qh5 $146 ({Predecessor:} 13... Qxa4 14. Nxa4 Rfd8 15. Rfd1 Bg4 16. Nc3 Nd7 17. h3 Be6 18. Nd5 Bxd5 19. Bxd5 Nb6 20. Bxc6 bxc6 {½-½ (32) Yang,K (2505)-Chiku Ratte,O (2406) Kingston 2019}) 14. Qb5 {The position is equal.} Qxb5 15. Nxb5 Rac8 16. Bxc6 Rxc6 17. Bxe7 Re8 18. Ba3 Bh3 19. Rfe1 a6 20. Nd6 (20. Nd4 $14 Rcc8 21. Rac1) 20... Rd8 $11 21. N2c4 b5 {[#]} 22. Nxf7 $1 {[%mdl 512] aiming for Nce5.} Rb8 (22... Kxf7 23. Ne5+) 23. Nce5 Rc2 24. Ng5 Bf5 {And now ...b4 would win.} 25. Bb4 Rxb2 $2 (25... Re8 $11 {and Black is okay.} 26. f4 Ng4) 26. Nc6 $18 Nd5 (26... Rxb4 {was worth a try.} 27. Nxb4 Ne4) 27. Nxb8 Nxb4 28. e4 Bg4 29. h3 Be2 {[#]} 30. Rab1 $1 {[%cal Rb1b2] Strongly threatening Rxb2.} Rxa2 $2 (30... Bc4 {is a better defense.} 31. Rxb2 Bxb2) 31. Rxb4 Bc3 {[#]} 32. Rxe2 $1 Rxe2 33. Rb3 Bd4 34. Nc6 Bxf2+ 35. Kf1 Re3 36. Rxe3 Bxe3 37. Ne6 Bb6 38. Ke2 {White is clearly winning.} Kf7 39. Nf4 a5 40. Nd5 {Accuracy: White = 73%, Black = 35%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "7"]
[White "Steingrimsson, Hedinn"]
[Black "Niemann, Hans Moke"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2549"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,17,25,25,31,31,32,28,30,27,28,27,36,31,31,33,31,30,39,33,37,20,39,36,44,33,45,17,15,-8,-12,-8,-12,-7,0,0,0,0,0,0,0,-6,0,-2,-2,-6,-9,-9,-5,-7,-10,-20,0,0,0,-14,-15,-16,-16,-51,-40,-37,-30,-52,-8,-8,-8,-66,-66,-66,-66,-66,-66,-518,-438,-29950,-29948,-29951,-29950,-29953,-29956,-29947,-29954,-29958,-29957,-29957,-29953,-29955,-29956,-29956,-51,-29959,-29965,-29969,-29970,-29970,-29971,-29971,-29972,-29972,0,-29971,-29972,-29972,-29973,-29973,-29974,-29974,-29975,-29975,0,-29972,-29973,-29973,-29974,-29974,-29975,-29975,-29976,-29971,-29977,-29979,-29980,-29980,-29981]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 8. Bd3 {White is slightly better.} c6 $146 (8... h6 9. Bf4 g5 10. Bg3 Nh5 11. Be5 Nhf6 12. Bg3 Nh5 13. Ne2 Nxg3 14. Nxg3 {1-0 (61) Leko,P (2679)-Caruana,F (2832) Germany 2019}) 9. h3 Bd6 10. Bf4 Qb8 11. Qd2 O-O 12. O-O h6 13. Rfe1 Nh5 {[%cal Rh5f4]} 14. Bxd6 Qxd6 15. Ne2 Rfe8 16. Rac1 g6 17. Nf4 Ng7 18. Nxe6 Nxe6 19. e4 dxe4 20. Bxe4 Nf6 21. Qxh6 {And now Bxg6! would win.} Qf4 22. Qxf4 Nxf4 23. Ne5 Rad8 24. Rcd1 Ne6 25. Kf1 Rxd4 26. Rxd4 Nxd4 27. Bb1 c5 28. Nc4 Rd8 29. Ne3 b5 30. Rd1 Nd5 31. Nxd5 Rxd5 $11 {[%mdl 4096] Endgame KRB-KRN} 32. h4 Rh5 33. g3 g5 34. Kg2 gxh4 35. Rh1 h3+ (35... a5 {feels hotter.} 36. gxh4 a4 37. Kg3 Re5 38. Bd3 Re6) 36. Rxh3 Rxh3 (36... Re5 {with more complications.} 37. Rh4 Re1 38. Bh7+ Kg7 39. b4 Ne6) 37. Kxh3 {KB-KN} c4 {Strongly threatening ...b4.} 38. a3 (38. Kg4 $1 $11) 38... a5 $1 $15 39. Kg4 {Black should prevent Kf4.} b4 $1 {[%cal Rb4a3]} 40. axb4 axb4 41. Kf4 $2 {[%mdl 8192]} ({White has to play} 41. f4 $1 $15) 41... c3 $19 42. bxc3 (42. Ke3 $19 c2 43. Bxc2 Nxc2+ 44. Kd3) 42... bxc3 43. Ke5 c2 44. Bxc2 Nxc2 {KN-KPP} 45. Kf6 Nb4 $1 {[%cal Rb4d3]} 46. f3 Nd5+ 47. Ke5 Ne7 48. Kf6 Kf8 49. g4 Ng8+ 50. Kg5 $2 {[%mdl 8192] [#]} (50. Ke5 $15) 50... Kg7 $1 51. f4 Ne7 52. Kh4 Kf6 53. Kg3 Ke6 54. Kh4 Kf6 55. Kg3 Ng8 56. Kh4 Ke6 57. Kg5 {[#]} Nf6 $1 {[%cal Rf6d5]} 58. Kh4 Ne4 59. Kh5 Nf6+ 60. Kh4 Nd5 {Black mates.} 61. Kg3 Kd6 62. Kf3 Nf6 63. g5 Nh5 64. Kg4 Ng7 65. f5 Ke5 66. f6 Ne6 {Accuracy: White = 55%, Black = 71%.} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "7"]
[White "Sturt, Raven"]
[Black "Paragua, Mark"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2466"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,35,32,41,41,84,65,81,60,58,15,44,0,0,0,20,0,28,0,0,0,0,0,0,0,5,4,21,13,24,27,14,13,10,9,31,0,0,-30,-16,-105,-25,-125,0,-85,-88,-174,0,-236,-40,-41,-46,-54,0,0,0,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 c5 6. dxc5 Nc6 7. a3 Bxc5 8. b4 Be7 9. e3 O-O 10. Bb2 dxc4 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3} 11. Bxc4 a6 12. O-O b5 {White is slightly better.} 13. Bd3 Bb7 14. Ne4 (14. Rfd1 Qb6 15. Ne4 Nxe4 16. Bxe4 h6 17. Rd7 Rac8 18. Qb3 Rc7 19. Rxc7 Qxc7 {1-0 (72) Demidov,M (2523)-Luch,M (2398) Katowice 2017}) 14... Rc8 {...Ne5! is the strong threat.} 15. Nc5 Bxc5 $1 16. bxc5 h6 17. Rac1 Qe7 18. Qc3 $146 ({Predecessor:} 18. Ne5 Rfd8 {½-½ (38) Mohota,N (2311)-Ozturk,K (2254) Beijing 2008}) 18... Rfd8 19. Rfd1 Nb8 20. a4 bxa4 21. Ba3 {Strongly threatening c6.} Qc7 22. Qb4 Bxf3 23. gxf3 Qc6 24. Be2 Rd5 25. h4 Nbd7 26. Rxd5 Nxd5 27. Qd4 a5 28. Kh1 h5 29. e4 (29. Kg1 $11) 29... Nb4 (29... Nf4 $1 $17 {[%cal Rf4e2]} 30. Bf1 Ng6) 30. f4 {[#]} (30. Bb2 $11 {keeps the balance.} e5 31. Qd6) 30... Nxc5 (30... e5 $1 $17 {[%cal Re5d4][%mdl 512]} 31. fxe5 Qe6) 31. Bxh5 (31. Bb2 $11 {remains equal.} f6 32. Kh2) 31... Nbd3 $17 32. Rc4 {[#]} (32. Rc2 $17) 32... Qb5 $2 ({Inferior is} 32... Qxe4+ 33. Qxe4 Nxf2+ 34. Kg2 $14) ({Better is} 32... Nxf2+ $1 $19 {[%mdl 512]} 33. Kg1 (33. Qxf2 $2 Nxe4 34. Bxf7+ Kh7 $19) 33... Nfd3) 33. f5 $2 (33. Kh2 $1 $11 {and White stays safe.}) 33... Qb1+ $2 (33... Nf4 $19 {Threatens to win with ...e5.} 34. Kh2 Nxh5 35. Rxc5 Rxc5 36. Qxc5 Qe2 37. fxe6 fxe6) 34. Kh2 $15 Qb8+ 35. Kg1 {[%cal Ra3c5]} Nf4 ({Black should try} 35... Rd8 $15 36. Qe3 Nf4 37. Bxf7+ Kxf7 38. Qxc5 Kg8) 36. Rxc5 $11 {The position is equal.} Rxc5 37. Bxc5 {Hoping for fxe6.} ({Much weaker is} 37. Qxc5 Qb1+ 38. Bc1 (38. Kh2 $2 Qxe4 39. Bxf7+ Kh7 $19) 38... Nxh5 $17) 37... Nxh5 38. fxe6 fxe6 {White must now prevent ...Qf4.} 39. Qxa4 Qd8 40. e5 Kh7 41. Be3 Qd5 42. Qc2+ Kg8 43. Qc8+ Kf7 44. Qc7+ Kg6 45. Qc2+ Kf7 46. Qc7+ {Accuracy: White = 45%, Black = 39%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "7"]
[White "Panjwani, Raja"]
[Black "Khamrakulov, Djurabek"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2450"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "200"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,200,22,13,57,18,49,15,112,78,140,139,139,133,137,137,137,139,258,222,262,296,310,164,170,134,188,106,99,94,105,100,97,86,79,81,81,81,81,81,81,81,81,52,52,50,47,52,52,50,50,47,68,67,82,75,82,44,82,82,82,75,75,75,83,81,680,683,683,683,683,683,679,683,683,683,679,679,683,683,683,683,683,631,683,683,683,683,683,646,646,646,646,646,646,646,646,646,646,646,646,646,646,646,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,683,0,683,683,683,0,683,0,683,634,682,684,684,684,684,684,684,684,684,0,684,684,684,684,684,684,684,684,684,684,684,684,682,684,684,684,684,684,684,682,682,684,684,684,669,618,683,0,677,684,677,505,505,0,684]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 d5 5. cxd5 Nxd5 6. e3 cxd4 7. exd4 Be7 8. Bd3 Nc6 9. O-O O-O 10. Re1 Nf6 11. a3 b6 12. Bc2 a5 {D42: Queen's Gambit Declined: Semi-Tarrasch: 5 cxd5 Nxd5 6 e3 Nc6 7 Bd3} (12... Bb7 13. Bg5 h6 14. Bh4 Ba6 15. Rc1 Rc8 16. Bb1 Qd6 17. Qc2 g6 18. Qd2 Kg7 19. Bg3 Qd7 20. Bf4 Rh8 21. Rcd1 {1-0 (40) Kosteniuk,A (2546)-Stefanova,A (2470) Hengshui 2019}) 13. Bg5 Ba6 14. Qd2 Re8 $146 (14... Bc4 $11 {remains equal.}) ({Predecessor:} 14... Rc8 15. Qf4 Bc4 16. Qh4 g6 17. d5 Bxd5 18. Rad1 Nh5 19. Nxd5 Bxg5 20. Nxg5 exd5 {½-½ (66) Stefanov,E (2241)-Dyulgerov,D (1987) Albena 2015}) 15. Rad1 h6 ({Black should try} 15... Bc4) 16. Bxf6 $16 Bxf6 17. d5 $1 $36 {[%cal Rd5c6][%mdl 2048] Black is under strong pressure.} exd5 18. Rxe8+ {[%mdl 64] Overworked Piece} Qxe8 19. Nxd5 Bd8 (19... Rd8 $16) 20. Re1 $18 {[%cal Re1e8]} Qf8 21. Qe3 g6 22. Nxb6 (22. h4 $142) 22... Ra7 23. Nd5 {And now Ne5 would win.} Bc4 24. Bb3 (24. Qd2 $18) 24... Bxb3 $16 25. Qxb3 {Hoping for Qc4.} Qc5 26. Qd3 {Threatens to win with b4!} Kg7 27. b4 axb4 28. axb4 Nxb4 29. Nxb4 Ba5 30. Nc2 ({Reject} 30. Na6 $6 Qb6 $11) 30... Bxe1 31. Nfxe1 Rc7 32. Qd4+ Qxd4 33. Nxd4 Rc4 34. Ne2 g5 35. g3 Re4 36. Kf1 h5 37. h3 Kg6 38. Ng2 f6 39. f3 Rb4 40. Kf2 Rb1 41. f4 Rh1 42. Ne3 {aiming for f5+.} Rh2+ 43. Kf3 f5 $2 {[%mdl 8192]} (43... Rh1 $16) 44. fxg5 $18 h4 45. Nf1 Rxh3 46. Nf4+ Kxg5 47. Nxh3+ Kh5 48. Nf4+ Kg5 {Now ...hxg3 and Black clings on.} 49. Ne6+ Kh5 50. Ng7+ {[%mdl 64] Double Attack} ({Not} 50. Nf4+ Kg5 $14) 50... Kg5 {and the idea ...hxg3 leaves Black hopeful.} 51. gxh4+ ({Weaker is} 51. Ne6+ Kh5 $14) 51... Kxh4 52. Kf4 Kh3 53. Ne3 Kh2 54. Nh5 Kg1 55. Ng3 Kf2 56. Nc2 Kg2 57. Ne1+ Kf2 58. Nd3+ Kg2 59. Ne2 Kh3 60. Ne1 Kh4 61. Ng3 Kh3 62. Kf3 f4 63. Nf5 Kh2 64. Nh4 Kg1 65. Nhg2 Kf1 66. Nd3 Kg1 67. Nc1 Kf1 68. Nb3 Kg1 69. Nd2 Kh2 70. Nh4 Kg1 71. Ne4 Kf1 72. Ng2 Kg1 73. Ng5 Kf1 74. Ne4 Kg1 75. Ne1 Kf1 76. Ng2 Kg1 77. Nd2 Kh2 78. Kf2 f3 79. Nf4 Kh1 80. Ne4 Kh2 81. Ng5 Kh1 82. Nh5 Kh2 83. Nf4 Kh1 84. Nd3 Kh2 {[#]} 85. Ne1 $1 Kh1 86. Nc2 Kh2 87. Ne3 Kh1 88. Ne4 Kh2 89. Nf5 Kh3 90. Nf6 Kh2 91. Ng4+ Kh3 92. Ne5 Kh2 93. Ng6 Kh3 {[#]} 94. Nh6 $1 Kh2 95. Nh4 Kh3 96. N4f5 Kh2 97. Ng4+ Kh3 98. Nge3 Kh2 99. Ng3 Kh3 100. Ngf5 Kh2 {[%mdl 32768] Accuracy: White = 61%, Black = 47%. . An unexpected result.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "7"]
[White "Korley, Kassa"]
[Black "Barbosa, Oliver"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2447"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,-2,0,-22,0,0,-11,-18,0,0,0,0,0,0,4,0,0,0,0,0,2,0,7,2,2,0,8,0,31,25,42,29,37,8,5,-442,-430]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. e3 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. bxc3 O-O 10. Nf3 c5 11. Ne5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (11. Be2 Be6 12. Ne5 Rc8 13. O-O Nc6 14. f4 cxd4 15. cxd4 Ne7 16. Qb3 b6 17. Ba6 Rd8 18. Rac1 Bc8 {½-½ (75) Pascua,H (2423)-Zhang,Z (2614) Ho Chi Minh City 2015}) 11... Nd7 $146 ({Predecessor:} 11... Nc6 12. Nxc6 bxc6 13. Be2 Bf5 14. Bd3 Bxd3 15. Qxd3 c4 16. Qc2 Rfb8 17. Rb1 Qd8 18. O-O Rxb1 19. Rxb1 {½-½ (32) Mitic,N-Milovanovic,S (2108) Kragujevac 2018}) 12. Nxd7 Bxd7 13. Be2 {The position is equal.} Rac8 14. O-O Bf5 15. Bf3 Rfd8 16. Qb3 Rc7 17. dxc5 Rxc5 18. Qxb7 Rd7 19. Qb8+ Kh7 $1 20. Rad1 Rxc3 21. Bxd5 Rxa3 22. Qf4 Qg6 {[#] Threatens to win with ...Rxd5!} 23. Bf3 Qe6 24. h4 {Hoping for e4.} Re7 25. h5 Be4 26. Rd8 Bxf3 27. Qb8 $2 {[%mdl 8192] [#]} (27. Qxf3 $11 {and White is okay.} Ra5 28. Rc1) 27... Bxh5 {Accuracy: White = 45%, Black = 58%.} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "7"]
[White "Krush, Irina"]
[Black "Yudasin, Leonid"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2424"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,41,-2,17,14,27,10,51,27,31,32,64,30,45,50,43,36,36,34,86,93,325,355,2120,2107,2023,1941,29995,29996]} 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Nc6 5. O-O d5 6. b3 Qc7 7. a3 Bd6 8. Bb2 O-O 9. dxc5 {D05: Colle System with ...e6} (9. Nc3 a6 10. dxc5 Bxc5 11. e4 d4 12. Ne2 Rd8 13. Ng3 e5 14. Qe2 Ne7 15. Nh4 Ng6 16. Nxg6 hxg6 {0-1 (26) Croad,N (2406)-Wastney,S (2434) Wellington 2016}) 9... Bxc5 10. Nbd2 Rd8 $146 ({Predecessor:} 10... e5 11. e4 Rd8 12. exd5 Nxd5 13. b4 Bf8 {½-½ (43) Marrero Cardenes,A (2030)-Also Alvarado,L (2167) Las Palmas 2016}) 11. c4 {White is slightly better.} dxc4 12. Bxc4 Be7 13. Qe2 a6 14. Rac1 b5 15. Bd3 Bb7 16. Ne4 Nxe4 (16... Qb6 $14) 17. Bxe4 $16 {Ne5! is the strong threat.} Rac8 $2 {[#]} (17... Qb6 $16) 18. Ne5 $1 $18 {[%cal Re5c6][%mdl 576] Pin} Qb6 $2 {[#]} (18... Rd5 19. Bxd5 exd5) (18... Nxe5 19. Rxc7) 19. Qh5 $1 {[%mdl 512]} g6 {[#]} 20. Nxg6 $1 {[%mdl 576] White threatens Ne5 and mate. Demolition} fxg6 {[#]} 21. Bxg6 $1 {[%mdl 512] Accuracy: White = 81%, Black = 26%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "8"]
[White "Barbosa, Oliver"]
[Black "Krush, Irina"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2532"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]

{[%evp 22,58,36,32,32,32,25,23,31,25,43,0,20,0,21,0,0,0,0,0,55,53,44,0,0,0,46,42,41,37,51,44,132,122,287,227,217,207,186]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 Nd5 10. Bxd5 e6 11. Bxc6+ bxc6 12. O-O f6 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} 13. Be3 Qd5 14. Rfc1 Be7 {White has an edge.} 15. Nd2 Bd7 {[#]} 16. Nc4 $146 ({Predecessor:} 16. Qc3 Kf7 17. Nc4 Rhb8 18. Bf4 Rb5 19. Rd1 Be8 20. b3 {1-0 (73) So,W (2810)-Duda,J (2707) Leon 2017}) 16... Kf7 17. Bf4 g5 18. Bg3 h5 19. h3 h4 20. Bh2 Rhd8 (20... c5 $11) 21. Qd3 $14 Qf5 22. Qe2 Be8 23. Rd1 c5 24. Ne3 $36 {[%mdl 2048] White is more active.} Qe4 25. f3 Qb7 26. d5 $1 {Threatens to win with f4.} exd5 (26... e5 $1 $14) 27. f4 {fxg5 is the strong threat.} Kg8 $2 {[#]} (27... d4 $16 28. Nf5 Rd5) 28. Nf5 Bf8 29. fxg5 Qh7 {Accuracy: White = 77%, Black = 43%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "8"]
[White "Khamrakulov, Djurabek"]
[Black "Paragua, Mark"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2517"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,62,2,11,22,-29,-16,-22,18,-18,-20,-40,-52,-43,-11,-6,-8,-8,-6,-14,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,10,31,9,36,45,31,33,43,24,16]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. e3 Nc6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3} 8. d5 $146 (8. O-O $142) ({Predecessor:} 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7 11. Bd2 Rd8 12. dxc5 Bxc5 13. Rac1 Bd6 14. Bb1 Qb8 15. Ne4 Nxe4 16. Bxe4 Ne7 17. Bxb7 Qxb7 18. Ba5 {½-½ (67) Gelfand,B (2673)-Svidler,P (2737) St Petersburg 2018}) 8... exd5 $11 9. Nxd5 Be6 {[%cal Rf6d5] The position is equal.} 10. Nxf6+ (10. e4 $5) 10... Qxf6 11. Qc2 Bxc4 12. Qxc4 Bd6 (12... Be7 {with more complications.} 13. O-O b5 14. Qe4 Rc8 15. Rb1 Qg6) 13. Qe4+ Qe7 14. Qxe7+ Kxe7 15. Bd2 Rhd8 16. Ke2 f6 17. Rhd1 Rd7 18. Bc3 Rad8 19. g4 Ke6 20. h3 Bc7 21. Nd2 Be5 22. Bxe5 Nxe5 23. Ne4 b6 24. Rxd7 Rxd7 {[%mdl 4096] Endgame KRN-KRN} 25. Rc1 Kd5 26. f3 a5 27. b3 Ke6 28. a4 Nc6 29. Nd2 Kd6 30. Nc4+ Kc7 31. f4 Ne7 {Accuracy: White = 71%, Black = 56%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "8"]
[White "Yudasin, Leonid"]
[Black "Steingrimsson, Hedinn"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2507"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,61,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,-10,-4,-1,-2,-12,-8,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c6 2. Nf3 d5 3. cxd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfc1 Rfc8 13. h3 h6 {The position is equal.} 14. Nd2 {D14: Slav Defence: Exchange variation with ...Bf5} (14. a3 Nd7 15. Ne2 a6 16. Rc3 Ne7 17. Rac1 Rxc3 18. Rxc3 Rc8 19. Rxc8+ Nxc8 20. Qc3 Ne7 21. Ne1 Qc6 {½-½ (31) Bai,J (2606)-Bu,X (2729) Daqing 2019}) 14... Nd7 15. a3 Nb6 16. Qb5 {[#]} Qd8 $146 ({Predecessor:} 16... Ne7 17. Na4 Nxa4 18. Qxa4 Rc6 19. Rxc6 Qxc6 20. Qxc6 Nxc6 21. Rc1 Rc8 {½-½ (31) Tratar,M (2494)-Ruck,R (2563) Slovenia 2013}) 17. Na4 Nxa4 18. Qxa4 Ne7 19. Qb4 b6 20. Qb5 Rxc1+ 21. Rxc1 Rc8 22. Qf1 (22. Rxc8 {looks sharper.} Qxc8 23. g4 g5 24. Kg2 Kf8 25. Nf3) 22... Rxc1 23. Qxc1 Qc8 24. Qxc8+ Nxc8 $11 {[%mdl 4096] Endgame KN-KN} 25. Kf1 Kf8 26. Ke2 Ke7 27. Kd3 Nd6 28. b3 Kd7 29. Nb1 f5 30. Nc3 g5 31. f3 {Accuracy: White = 74%, Black = 68%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "8"]
[White "Panjwani, Raja"]
[Black "Korley, Kassa"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2450"]
[BlackElo "2447"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 2. g3 {[%emt 0:00:14]} c6 {[%emt 0:00:29]} 3. Bg2 {[%emt 0:00:06]} Bf5 {[%emt 0:01:50]} 4. O-O {[%emt 0:00:12]} e6 {[%emt 0:00:03]} 5. d3 {[%emt 0:00:14]} h6 {[%emt 0:01:59]} 6. c4 {[%emt 0:00:39]} Nf6 {[%emt 0:00:48]} 7. cxd5 {[%emt 0:01:09]} exd5 {[%emt 0:00:08]} 8. Qb3 {[%emt 0:20:02]} Qb6 {[%emt 0:00:15]} 9. Qxb6 {[%emt 0:00:48]} axb6 {[%emt 0:00:03]} 10. Nd4 {[%emt 0:03:09]} Bh7 {[%emt 0:00:30]} 11. Nc3 {[%emt 0:01:18]} Bc5 {[%emt 0:00:32]} 12. Nb3 {[%emt 0:00:35]} O-O {[%emt 0:08:43]} 13. e4 {[%emt 0:01:36]} Bb4 {[%emt 0:02:36]} 14. e5 {[%emt 0:04:49]} Nfd7 {[%emt 0:00:07]} 15. d4 {[%emt 0:00:22]} Na6 {[%emt 0:09:36]} 16. Bh3 {[%emt 0:05:15]} Nab8 {[%emt 0:00:41]} 17. Bd2 {[%emt 0:00:45]} Be7 {[%emt 0:01:31]} 18. Rfc1 {[%emt 0:06:26]} Re8 {[%emt 0:07:35]} 19. f4 {[%emt 0:04:29]} Bd3 {[%emt 0:02:08]} 20. Nd1 {[%emt 0:01:33]} Nf8 {[%emt 0:00:51]} 21. f5 {[%emt 0:02:35]} Nh7 {[%emt 0:13:09]} 22. Nf2 {[%emt 0:01:48]} Bc4 {[%emt 0:00:11]} 23. Bf1 {[%emt 0:03:05]} Bxf1 {[%emt 0:00:48]} 24. Kxf1 {[%emt 0:00:05]} Nd7 {[%emt 0:05:51]} 25. a4 {[%emt 0:01:42]} Ra6 {[%emt 0:00:57]} 26. a5 {[%emt 0:00:45]} Rea8 {[%emt 0:00:02]} 27. h4 {[%emt 0:03:44]} Bd8 {[%emt 0:09:35]} 28. axb6 {[%emt 0:01:06]} Bxb6 {[%emt 0:00:25]} 29. Rxa6 {[%emt 0:02:09]} Rxa6 {[%emt 0:00:01]} 30. Nd3 {[%emt 0:00:50]} Kf8 {[%emt 0:03:59]} 31. Kg2 {[%emt 0:03:01]} Ke8 {[%emt 0:00:14]} 32. g4 {[%emt 0:01:40]} Ra4 {[%emt 0:00:01]} 33. Be3 {[%emt 0:00:36]} Nhf8 {[%emt 0:00:42]} 34. Kf3 {[%emt 0:00:54]} Nb8 {[%emt 0:01:31]} 35. Nbc5 {[%emt 0:08:01]} Bxc5 {[%emt 0:00:12]} 36. Nxc5 {[%emt 0:00:06]} Rb4 {[%emt 0:00:03]} 37. Ra1 {[%emt 0:00:34]} Nbd7 {[%emt 0:00:35]} 38. Ra8+ {[%emt 0:02:59]} Ke7 {[%emt 0:00:00]} 39. Nd3 {[%emt 0:01:47]} Rb3 {[%emt 0:00:02]} 40. Ke2 {[%emt 0:00:32]} f6 {[%emt 0:04:05]} 41. e6 {[%emt 0:18:15]} Nb6 {[%emt 0:15:02]} 42. Rb8 {[%emt 0:00:20]} Nc4 {[%emt 0:00:03]} 43. Bd2 {[%emt 0:02:32]} Nxd2 {[%emt 0:02:39]} 44. Kxd2 {[%emt 0:00:06]} g6 {[%emt 0:01:12]} 45. Kc2 {[%emt 0:00:08]} Rb5 {[%emt 0:00:03]} 46. Nf4 {[%emt 0:01:38]} gxf5 {[%emt 0:01:33]} 47. gxf5 {[%emt 0:00:02]} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.17"]
[Round "8"]
[White "Niemann, Hans Moke"]
[Black "Sturt, Raven"]
[Result "0-1"]
[ECO "D19"]
[WhiteElo "2436"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,102,16,32,9,35,44,52,25,29,22,19,0,0,-105,-83,-87,-86,-93,-95,-104,-92,-89,-104,-118,-104,-112,-104,-104,-99,-112,-104,-124,-115,-120,-84,-122,-122,-108,-110,-100,-132,-136,0,-77,0,-121,-125,-291,-291,-412,-422,-429,-428,-412,-421,-421,-414,-421,-421,-386,-395,-542,-509,-454,-337,-12838,-12839,-12841,-12841,-12841,-12841,-12842,-12843,-12843,-12843,-12844,-12844,-12845,-12845,-12845,-12846,-12846,-12845]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. Qe2 Bg6 10. e4 O-O 11. Bd3 h6 12. e5 {And now Bxg6 would win. D19: Slav Defence: 5 a4 Bf5 6 e3: Main line with 9 Qe2} (12. Rd1 a6 13. Bf4 Qe7 14. h3 Rac8 15. Rac1 c5 16. e5 Bxd3 17. Qxd3 Bxc3 18. exf6 Qxf6 19. Bd6 Bxb2 20. Rc2 Bxd4 21. Bxf8 Rxf8 22. Nxd4 cxd4 23. Qxd4 Qxd4 24. Rxd4 {½-½ (37) Korobov,A (2699)-Bareev,E (2650) Wijk aan Zee 2019}) 12... Nd5 13. Bxg6 fxg6 14. Nxd5 {White is slightly better.} cxd5 15. Qb5 Qe7 16. a5 {Hoping for Ra4.} (16. Ne1 {is interesting.} Bxe1 17. Rxe1 Qf7 18. Rf1 Rfc8 19. Be3) 16... a6 17. Qxb7 $146 {[#]} (17. Qd3 $11 {keeps the balance.}) ({Predecessor:} 17. Qd3 g5 18. Ra4 Rac8 19. h4 gxh4 {0-1 (42) Bezemer,A (2332)-Giri,A (2518) Dieren 2009}) 17... Nxe5 $1 $17 {[%mdl 576] Discovered Attack} 18. Qxe7 (18. dxe5 Qxb7) 18... Nxf3+ 19. gxf3 Bxe7 20. Re1 Kf7 $1 ({Reject} 20... Rxf3 $6 21. Rxe6 Kf7 22. Rb6 $11) 21. Bf4 Rfc8 22. Rec1 Bf6 23. Be3 Ke7 24. Kf1 Kd7 25. b4 Rxc1+ 26. Rxc1 {[%mdl 4096] Endgame KRB-KRB} Rb8 27. Rb1 g5 28. Ke2 Be7 29. Bd2 Bd6 30. h3 Kc6 31. Rc1+ Kd7 ({Black should try} 31... Kb5 $1 32. Re1 Re8) 32. Rb1 Kc6 33. Rc1+ $1 {[#]} Kb5 $1 34. Be1 $2 {[#]} (34. Kd3 $17 {might work better.}) 34... Rb7 $1 $19 35. Rc8 (35. f4 $142 gxf4 36. Bd2) 35... Bxb4 36. Bxb4 Kxb4 {KR-KR} 37. Rc6 {Black must now prevent Rb6+.} Kxa5 38. Rxe6 Kb5 39. Rd6 a5 40. Rxd5+ Kb4 41. Rc5 a4 42. Rc1 {Threatens to win with Rb1+.} Ra7 {...a3 is the strong threat.} 43. d5 $2 (43. Kd3 a3 44. Rb1+ Ka4 45. Ra1) 43... a3 {Black is clearly winning.} 44. Ke3 a2 45. Ra1 Kb3 46. Ke4 Kb2 47. Rh1 a1=Q 48. Rxa1 Rxa1 49. d6 Rd1 50. Ke5 Kc3 51. Ke6 Kd3 {Accuracy: White = 50%, Black = 85%.} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9"]
[White "Steingrimsson, Hedinn"]
[Black "Barbosa, Oliver"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2549"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,18,35,20,0,7,0,11,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Bd3 Nbd7 8. Nc3 Bd6 9. O-O O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} 10. Rd1 {The position is equal.} Re8 11. Qe2 Qe7 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qh4 h6 {[#]} 16. Re1 $146 {Threatening Bxh6!} ({Predecessor:} 16. Bd2 Rad8 17. Bxh6 gxh6 18. Qxh6 e5 19. Qg5+ {½-½ (19) Vorobiov,E (2563)-Movsesian,S (2637) Moscow 2007}) 16... Rad8 17. Bxh6 gxh6 18. Qxh6 Bc7 19. Qg5+ Kf8 20. Qh6+ Kg8 21. Re3 {Hoping for f4.} Rxd4 22. Qg5+ Kf8 {White must now prevent ...Bf4.} 23. Qh6+ $40 {[%mdl 128] White is up to no good.} Kg8 {[#] And now ...Red8 would win.} 24. Rg3+ $1 {[%mdl 576] Decoy} Bxg3 25. Qg5+ {[%mdl 64] Double Attack} Kf8 26. Qh6+ Kg8 27. Qg5+ {[%mdl 64] Double Attack} Kf8 28. Qh6+ Kg8 29. Qg5+ {[%mdl 64] [#] Double Attack} Kf8 30. Qh6+ Kg8 {Accuracy: White = 68%, Black = 87%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9"]
[White "Paragua, Mark"]
[Black "Niemann, Hans Moke"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2496"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,27,12,25,14,42,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 ({Predecessor:} 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 {½-½ (14) Shimanov,A (2610)-Durarbayli,V (2628) Ledyard 2019}) 4... Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Nd2 $146 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (9. Qd2 Nc6 10. Rb1 cxd4 11. cxd4 O-O 12. Qxa5 Nxa5 13. Bd3 Bg4 14. O-O Bxf3 15. gxf3 e6 16. Rfd1 Rfd8 17. Bf1 b6 18. Ba6 {1-0 (37) Carlsen,M (2875)-Vachier Lagrave,M (2779) Zagreb 2019}) 9... O-O 10. Nb3 Qxc3+ {The position is equal.} 11. Bd2 Qb2 12. Bc1 Qc3+ 13. Bd2 Qb2 14. Bc1 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9"]
[White "Sturt, Raven"]
[Black "Yudasin, Leonid"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2466"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,14,22,-10,17,-18,7,-21,0,0,2,0,6,0,0,6,9,8,26,18,76,57,68,26,30,30,30,32,145,108,119,95,171,162,153,159,177,137,202,189,180,130,365,273,344,120,834,795,730]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nf6 7. Be2 Bd6 8. g3 {B11: Caro-Kann: Two Knights Variation} (8. O-O Nbd7 9. d4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qf3 Bc7 13. Rd1 h5 14. h4 Ng4 15. Bg5 Bh2+ {½-½ (62) Liang,A (2589)-Andreikin,D (2719) Sitges 2018}) 8... Nbd7 9. O-O (9. d4 $5 {[%cal Re4e5]}) 9... Qc7 $146 ({Predecessor:} 9... O-O 10. Qg2 d4 11. Nb1 e5 12. f4 Qc7 13. f5 b5 14. a4 a6 15. g4 c5 {1-0 (34) Liang,A (2589)-Smith,D (2047) chess.com INT 2019}) 10. Qg2 {The position is equal.} O-O-O 11. f4 dxe4 12. dxe4 e5 13. f5 Kb8 14. Rb1 Bc5+ 15. Kh1 Bd4 16. Nd1 Ka8 (16... Ne8 $11 {keeps the balance.}) 17. c3 Bb6 18. b4 c5 19. a3 cxb4 20. axb4 Nb8 (20... Qc6 $14) 21. c4 {Strongly threatening c5.} Bd4 22. Ne3 Bxe3 (22... Nc6 $16 {is a better defense.}) 23. Bxe3 $18 Nc6 24. Ra1 Nd4 25. Bd3 a6 (25... Rd7 $16) 26. Ra3 Kb8 27. Rfa1 h6 $2 {[#]} (27... Rd6 $16 {was worth a try.} 28. c5 Rc6) 28. b5 {[%cal Bb4b5,Bb5a6][%mdl 32]} Rd6 29. Qb2 $2 ({Not} 29. bxa6 b6 $16) (29. c5 $18 Qxc5 30. bxa6) 29... Rc8 $2 {[%mdl 8192]} (29... Nd7 $16) 30. bxa6 b6 {Accuracy: White = 51%, Black = 26%.} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9"]
[White "Korley, Kassa"]
[Black "Khamrakulov, Djurabek"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "2447"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,77,57,41,44,-10,51,0,42,42,49,25,33,33,45,21,10,10,13,0,7,13,63,28,56,25,32,22,29,32,27,25,56,52,79,36,32,39,50,55,62,52,116,112,125,124,121,110,97,79,86,77,66,64,125,37,40,40,38,22,22,5,8,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 Qb6 8. e3 Be7 {E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0} 9. b4 (9. Bd3 $14) (9. Be2 a6 10. O-O Qc7 11. e4 d6 12. Bf4 Nbd7 13. Rfd1 b6 14. Nd2 Bb7 15. Rac1 Rac8 16. Be3 Rfe8 17. f4 Bf8 18. Qb1 g6 19. Bf3 Bh6 20. Re1 Qb8 {0-1 (42) Lenderman,A (2611)-Iturrizaga Bonelli,E (2650) chess.com INT 2018}) 9... d6 (9... a5 $11) 10. Bd3 (10. Bb2 $14) 10... Nbd7 11. O-O a6 12. h3 Qc7 13. e4 b6 14. Bb2 Bb7 15. Rac1 Rac8 16. Qd2 $146 ({Predecessor:} 16. Qe2 Qb8 17. Qe3 Rfe8 18. Ne2 {1-0 (36) Sirotkina,N (2260)-Rakitskaja,M (2201) St Petersburg 1999}) 16... Rfd8 17. Qe3 Bf8 18. Rfd1 Be7 19. Bf1 Qb8 20. Re1 Bf8 21. Nd2 Bc6 22. f4 Qa8 23. Nf3 g6 24. Nd4 Bb7 25. e5 dxe5 26. fxe5 Ne8 27. Ne4 Bg7 (27... Bxe4 $14 28. Qxe4 Qxe4 29. Rxe4 h5) 28. Ng5 $36 {[%mdl 2048] Hoping for Qf2. White is really pushing.} Nc7 29. Qf4 Rf8 30. Ndf3 h6 31. Ne4 Bxe4 32. Rxe4 b5 33. c5 Rcd8 (33... Nd5 $14 34. Qg4 Nb8) 34. Rd4 ({Better is} 34. Rce1 $16) 34... Nd5 $14 35. Qe4 Nb8 36. Rcd1 Nc6 {The position is equal.} 37. R4d2 Qb8 38. Qe2 Rd7 39. Re1 {Accuracy: White = 57%, Black = 52%.} 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9"]
[White "Krush, Irina"]
[Black "Panjwani, Raja"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2424"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,50,48,26,39,41,28,42,34,31,27,22,0,-2,-15,-14,13,5,27,-30,0,-54,-25,-61,-51,-218,-216,-230,-226,-280,-92,-106,-116,-106,-94,-150,-150,-157,-182,-579,-556]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 Nc6 {[%cal Bb8c6,Bc6e5,Be5g4][%mdl 32]} 7. d5 Ne5 {E73: King's Indian: Averbakh Variation without 6...c5} 8. f4 Neg4 9. Bd2 Nh6 {White is slightly better.} 10. h3 e6 11. g4 $146 {Black must now prevent g5.} ({Predecessor:} 11. dxe6 fxe6 12. g4 b5 13. cxb5 Bb7 14. Qb3 Nd7 15. g5 {0-1 (28) Papadopoulos,G (2378)-Pavlidis,A (2549) Patras 2019}) 11... exd5 12. exd5 Re8 13. Kf1 Nd7 14. Qc2 Nc5 15. Re1 ({White should try} 15. Kg2) 15... Qh4 16. Bf3 (16. Kg2 $1 $11) 16... Bd7 {Strongly threatening ...Bd4.} (16... Bf5 $5 17. gxf5 Nxf5 18. Rxe8+ Rxe8 $15) 17. Rxe8+ Rxe8 18. Nge2 $2 {[#]} ({Only move:} 18. Nce2 $1 $15) 18... Nf5 $1 $19 {[%cal Rf5g3][%mdl 512]} 19. gxf5 Bxf5 $40 {[%mdl 192] Double Attack. Black is out for blood.} 20. Qd1 Nd3 $2 (20... Bxh3+ $19 21. Rxh3 {[%mdl 64] Remove Defender} Qxh3+ {[%mdl 64] Double Attack} 22. Bg2 Qd3) 21. Rh2 $17 Nxb2 22. Qe1 Qe7 23. Kg1 (23. Kg2 $142) 23... Nxc4 24. Bc1 a6 {[%mdl 1024] Black has strong compensation.} 25. Qd1 $2 (25. Kg2 {is a better chance.}) 25... Bxc3 {Accuracy: White = 31%, Black = 63%.} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9.1"]
[White "Paragua, Mark"]
[Black "Khamrakulov, Djurabek"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2496"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,12,27,19,16,15,27,14,14,14,21,14,21,17,9,20,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-69,-64,-147,-148,-148,-139,-317,-317,-301,-300,-414,-409,-389,-272,-401,-388,-348,-383,-422,-422,-416,-416,-385,-294,-280,-280,-270,-269,-264,-260,-229,-161,-463,-456,-404,-306,-455,-467,-1167,-1039,-29982,-29983,-29981,-29975]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 e6 5. Bd3 Nf6 (5... Bd6 6. Bxe4 Bxf4 7. exf4 dxe4 8. Nc3 Nc6 9. Nge2 f5 10. Qd2 O-O 11. O-O-O a5 12. h3 a4 13. a3 b5 {½-½ (58) Vitiugov,N (2726)-Grandelius,N (2643) Doha 2016}) 6. Nd2 {A45: Trompowsky Attack} Bd6 7. Bg3 c5 8. c3 {White has an edge.} Nc6 9. Ngf3 O-O 10. e4 $146 ({Predecessor:} 10. Ne5 Qc7 11. f4 b6 12. O-O Bb7 13. Bh4 {½-½ (38) Mchedlishvili,M (2608)-Koksal,E (2378) Ankara 2018}) 10... dxe4 11. Nxe4 Nxe4 12. Bxe4 cxd4 13. Bxc6 bxc6 14. Qxd4 Be7 15. O-O Qb6 16. Ne5 Qxd4 17. cxd4 Bb7 18. Rac1 Rac8 19. f3 Rfd8 20. Rfd1 (20. Bf2 $1 $11) 20... c5 $15 21. Bf2 {[#]} (21. dxc5 $15 Bxc5+ 22. Bf2 Rxd1+ 23. Rxd1 Bxf2+ 24. Kxf2) 21... cxd4 $1 $17 22. Rxc8 Rxc8 23. Kf1 $2 (23. h3 $17) 23... f6 $19 24. Nd3 e5 {Played: Bb7-a6} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9.2"]
[White "Niemann, Hans Moke"]
[Black "Paragua, Mark"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2436"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,104,76,95,64,129,34,52,14,18,31,57,65,70,59,60,21,22,23,16,-62,-44,-67,-35,-67,-74,-69,0,0,0,0,0,0,0,0,0,0,0,0,21,21,26,2,14,10,160,11,39,34,50,8,8,12,252,235,218,148,131,75,320,107,364,208,178,178,327,169,160,160,156,154,535,544,544,544,544,544,543,527,471,183,407,58,58,8,8,8,8,8,16]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nc6 7. Nc3 Bg4 8. d5 Bxf3 9. exf3 Na5 10. Qa4 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} (10. Qd3 c5 11. f4 a6 12. Bd2 Rb8 13. Rab1 b5 14. b3 bxc4 15. bxc4 Qd7 16. Rfe1 Rfc8 17. Bf1 Rb4 18. Ne4 Rxb1 19. Rxb1 {1-0 (34) Wojtaszek,R (2726)-Socko,B (2660) Warsaw 2010}) 10... c5 (10... c6 $14) 11. dxc6 (11. Rb1 $16) 11... Nxc6 $14 12. f4 $146 {White is slightly better.} ({Predecessor:} 12. Be3 Qa5 13. Qxa5 Nxa5 14. b3 a6 15. Rac1 Rac8 16. Rfd1 Nc6 17. Bh3 Rb8 {1-0 (68) Burcu,C (2193)-Rajkovic,M (2350) Belgrade 2015}) 12... Nd7 13. Be3 Nb6 14. Qb5 Nd4 15. Bxd4 $1 Bxd4 16. Ne2 Bg7 17. Rac1 ({Reject} 17. Bxb7 Rb8 $15) 17... Rc8 18. Bxb7 (18. b3 $11) 18... Rb8 19. Qa6 Qc7 20. Bf3 Bxb2 21. Rc2 Bg7 (21... Nd7 $1 $15 22. Qc6 Qxc6 23. Bxc6 Nc5) 22. Nc3 $11 Bxc3 23. Rxc3 Rfc8 24. Rfc1 Qd7 25. c5 dxc5 26. Rxc5 e6 27. Rxc8+ Nxc8 28. Qa5 Nb6 29. Rd1 Qc7 30. Kg2 Kg7 {[#]} ({Black should play} 30... Rc8 $11) 31. h4 (31. Rc1 $1 $16 {[%cal Rc1c7][%mdl 512]} Qd8 (31... Qxc1 32. Qe5+) 32. Qxa7) 31... Rc8 32. h5 Nd7 33. Qb4 (33. Qg5 $5 {[%cal Rg5e7]} h6 34. Qb5 $14) 33... Nf6 34. Qd4 $36 {[%mdl 2048] Hoping for h6+! White is pushing.} Qe7 $2 {[#]} (34... gxh5 $11 {and Black has nothing to worry.} 35. Bxh5 Qb6 36. Qxb6 axb6) 35. h6+ $1 $18 Kg8 36. g4 Ne8 37. g5 (37. Qe5 $142) 37... Rb8 $2 (37... Qc5 $16) 38. Qd7 $2 (38. Bc6 $18 {and the rest is easy.}) 38... Qb4 $2 {[%mdl 8192]} (38... Kf8 $16) 39. Rd4 (39. Qxa7 $142 Rc8 40. Qd7) 39... Qb6 40. Rc4 {And now Rc8 would win.} Qd6 (40... Kf8 $142) 41. Qxd6 (41. Qxa7 $142 e5 42. fxe5 Qxe5 43. Rc5) 41... Nxd6 {[%mdl 4096] Endgame KRB-KRN} 42. Rc7 Nb5 43. Rd7 Kf8 $2 (43... a5 $16 {is a better chance.}) 44. a4 Nc3 45. Rxa7 Rb4 46. a5 Rxf4 47. a6 Rf5 48. Ra8+ Ke7 49. a7 $2 ({Only move:} 49. Rh8 $18 Rxg5+ 50. Kh3) 49... Rxg5+ $14 50. Kf1 Ra5 {The position is equal.} 51. Rc8 Rxa7 {White must now prevent ...Ra1+.} 52. Rxc3 Kf6 {[%mdl 32768] Accuracy: White = 39%, Black = 48%. . Sensor Board Error (Ke4/e5)?} 1-0

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9.2"]
[White "Niemann, Hans Moke"]
[Black "Khamrakulov, Djurabek"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2436"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,78,8,8,0,14,-50,-51,-52,-48,-60,-62,-74,-77,-79,-45,-53,0,-105,-57,-89,-54,-76,-47,-52,-63,-102,23,0,7,0,80,-45,-57,-152,-156,-168,-146,-143,-146,-187,-91,-367,-351,-346,-320,-318,0,0,0,-604,-322,-343,-340,-873,-866,-837,-842,-837,-825,-754,-750]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. e3 Bb7 8. Bb2 c5 9. Qe2 Nc6 10. d3 Rc8 11. Nc3 {A14: English Opening: 1...e6 with b3 by White} (11. Rd1 Rc7 {½-½ (11) Movsziszian,K (2528)-Basso,P (2516) Oslo 2018}) 11... Qc7 12. e4 (12. Rac1 $11) 12... d4 $15 13. Nd1 $146 {Black is slightly better.} ({Predecessor:} 13. Nb5 Qb8 14. Ne1 a6 15. Na3 e5 16. f4 Bd6 17. Bc1 Rce8 18. f5 Nd7 {1-0 (40) Otero Acosta,D (2394)-Arribas Robaina,M (2265) Havana 2018}) 13... Nd7 14. Nd2 e5 15. Bh3 Rce8 16. Bc1 Bd6 17. Nf3 Be7 (17... Kh8 $15) 18. Kh1 (18. Nd2 $11) 18... Bc8 19. Ng1 Qd8 20. f4 exf4 21. gxf4 Bd6 22. Qg2 Kh8 (22... Bb7 $17 {...Nb4 is the strong threat.} 23. Nf3 g6) 23. e5 $11 {[%mdl 64] [#] Discovered Attack} Ncxe5 $1 24. fxe5 Bxe5 (24... Rxe5 $11 {remains equal.} 25. Bf4 f5) 25. Nf2 (25. Bf5 $16) 25... f5 $15 {[%mdl 1024] Black has compensation.} 26. Bg5 ({White should play} 26. Nd1 $15) 26... Qc7 $17 {Hoping for ...Bb7.} 27. Rae1 Bb7 28. Nf3 h6 29. Bc1 g5 (29... Qb8 $19 {has better winning chances.} 30. Nd1 Bd6 31. Rxe8 Qxe8) 30. Rg1 $2 {[%mdl 8192]} (30. Bxg5 $17 {was the only chance.} Qd6 31. Bxf5 {[%mdl 64] Remove Defender} Rxf5 {[%mdl 64] Double Attack} 32. Ne4) 30... Re7 {Played: g5-g4} 0-1

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9.4"]
[White "Khamrakulov, Djurabek"]
[Black "Paragua, Mark"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2517"]
[BlackElo "2496"]
[Annotator "RC"]
[PlyCount "110"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 d5 9. Nc3 Bg4 10. h3 Bxf3 11. Qxf3 e6 12. O-O Rc8 13. Be3 a6 14. Bxc6+ Rxc6 15. Rac1 Be7 16. Qg3 g6 17. Bh6 Qc7 18. Ne2 Rg8 19. Qd3 Kd7 20. Qf3 Ke8 21. Qd3 Nc4 22. b3 Na5 23. Bd2 Rxc1 24. Rxc1 Nc6 25. Nc3 Qb6 26. Be3 Kd7 27. Na4 Qb5 28. Qd1 Rc8 29. Kh2 b6 30. Qg4 Nd8 31. Rxc8 Kxc8 32. Qf4 h5 33. Qf3 Kb7 34. g4 hxg4 35. hxg4 Qd3 36. Kg2 Qc2 37. Bf4 Qxa2 38. Qe3 b5 39. Nc5+ Bxc5 40. dxc5 Nc6 41. Qh3 Qc2 42. Qh7 Nd8 43. Bg5 Qe4+ 44. Kf1 Qd3+ 45. Kg2 Qe4+ 46. Kf1 Kc8 47. Qh8 Qb1+ 48. Kg2 Qe4+ 49. Kg3 Kb7 50. Bxd8 Qd3+ 51. f3 Qe3 52. Bf6 Qe1+ 53. Kg2 Qe2+ 54. Kg3 Qe1+ 55. Kg2 Qe2+ 1/2-1/2

[Event "103rd Marshall Chess Club-ch 2019"]
[Site "New York"]
[Date "2019.11.18"]
[Round "9.5"]
[White "Paragua, Mark"]
[Black "Niemann, Hans Moke"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2496"]
[BlackElo "2436"]
[Annotator "RC"]
[PlyCount "57"]
[EventDate "2019.11.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 e5 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. c3 O-O 8. a3 a5 9. a4 d5 10. Nbd2 h6 11. exd5 Nxd5 12. Nc4 Bf5 13. Re1 Re8 14. Qb3 Bxd3 15. Nfd2 e4 16. Nxe4 f5 17. Ne3 c4 18. Qxb7 Bxe4 19. Bxe4 Rxe4 20. Qxc6 f4 21. Rd1 fxe3 22. Bxe3 Re5 23. Bd4 Rc8 24. Qxg6 Qg5 25. Qa6 Ree8 26. Bxg7 Kxg7 27. h4 Qe5 28. Qxa5 Rf8 29. Qxd5 1-0

