[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Patel, Advait"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2470"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,77,29,18,42,25,25,23,23,23,27,33,31,25,22,29,26,29,40,12,11,14,16,32,22,18,20,0,53,17,85,27,70,0,0,-68,-66,-64,-73,-74,-72,-71,-48,-120,0,0,0,0,38,41,30,35,50,53,29977,29978,29978,0,29979,29979,29977,29979]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Nc6 6. Nf3 {B12: Caro-Kann: Advance Variation} Bxc5 7. b4 Bb6 8. Bb2 Nge7 {[%cal Bg8e7,Be7g6,Bg6f4][%mdl 32]} 9. Bd3 Ng6 10. O-O {LiveBook: 89 Games} O-O 11. Re1 f6 12. exf6 gxf6 13. c4 Nf4 $146 (13... dxc4 14. Bxc4 Qxd1 15. Rxd1 {½-½ (39) Karjakin,S (2753)-Adhiban,B (2683) Astana 2019}) 14. cxd5 Qxd5 15. Be4 Qxd1 16. Rxd1 e5 17. Nc3 Nd4 18. Na4 f5 $1 {[%cal Rf5e4]} 19. Nxd4 fxe4 20. Nxb6 axb6 21. Nb5 Bg4 22. Rd6 Nd3 ({Black should try} 22... Ne2+ $11 23. Kf1 Rf7) 23. Bc3 (23. Bc1 $5) 23... Nxf2 (23... Be2 $11) 24. Re1 (24. Nc7 $16 Rab8 25. Nd5 (25. Rxb6 Nd1 $11) (25. Bxe5 Nd3 $16)) 24... Rac8 25. Rxb6 ({Better is} 25. h3 $14 Bf5 26. Kxf2 Bd7+ 27. Kg1 Bxb5 28. Bxe5) 25... Bd7 $11 {White must now prevent ...Bxb5.} 26. Bd2 (26. Re3 $1 $11 Nd3 27. Bd2 Bxb5 28. Rxb5) 26... Rc2 $1 $15 {[%cal Rc2d2]} 27. Bh6 Nd3 {And now ...Rff2 would win.} 28. Bxf8 Nxe1 29. Bh6 Bc6 ({Don't play} 29... Rxg2+ 30. Kf1 $11) 30. Na7 ({White should play} 30. Nd6 $1 $15 e3 31. Bxe3) 30... Nxg2 (30... Kf7 $1 $17 31. Nxc6 bxc6 32. Rb7+ Kf6) 31. Nxc6 $11 bxc6 $17 {[%mdl 4096] Endgame KRB-KRN} 32. Rb7 $1 {[%cal Rb7g7]} Nf4 {Threatens to win with ...e3.} (32... Ne1 $5 {[%cal Re1f3]}) 33. Rg7+ {[%mdl 1024] White has compensation.} Kh8 34. Rf7 {[%cal Rf7f8]} Rg2+ $1 35. Kf1 Rg6 $2 {[%mdl 8192]} (35... Rg8 $14) 36. Rf8+ $1 Rg8 37. Rxg8+ $1 Kxg8 {[#]} 38. Bxf4 $1 exf4 {[#]} 39. a4 $1 {Precision: White = 69%, Black = 48%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Korley, Kassa"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2437"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,20,19,7,16,14,29,19,20,15,42,41,32,13,15,0,0,-47,75,78,66,65,54,20,17,10,28,20,22,0,9,0,71,16,30,27,18,25,24,24,76,47,41,28,48,18,21,33,38,25,75,0,119,113,305,281,409,431,767,752,992,979,954,934,1556,1526,2246,2223,2001,1974,1710,987,5706,617,561,560,514,518,517,503,775,606,598,591,1589,1177,5165,4831,6108,4931,29975,29973]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. dxc5 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} (6. d5 e6 7. Nc3 exd5 8. cxd5 d6 9. Nd2 Na6 10. O-O Re8 11. e4 Nc7 12. f3 b6 13. a4 {½-½ (54) Yu,Y (2761)-Sevian,S (2642) Astana 2019}) 6... Ne4 7. O-O Nxc5 8. Nd4 $146 {White has an edge.} ({Predecessor:} 8. b4 Bxa1 9. bxc5 Bg7 10. a4 Qa5 11. Bd2 Qxc5 12. Nc3 b6 13. Nd5 {0-1 (27) Bortnik,G (1684)-Lockwood,A (2205) ICCF email 2008}) 8... Nc6 9. Nc3 Ne6 10. Nxe6 fxe6 11. Qd2 Qa5 12. Rb1 b6 13. a3 Qf5 (13... Bxc3 $1 $15 {stays ahead.} 14. bxc3 d6) 14. b4 $16 Bb7 15. Bb2 Rad8 16. h3 d5 17. cxd5 exd5 18. Nb5 e5 19. Rbc1 d4 20. Nc7 {Black must now prevent Bc4+.} Rd6 (20... dxe3 $11 21. Qxe3 Nd4) 21. Bd3 ({Better is} 21. Bc4+ $16 Kh8 22. f4) 21... Qd7 $11 {aiming for ...dxe3.} 22. Nb5 $1 {[%cal Rb5d6]} Rdf6 $1 23. Nc3 Kh8 {Hoping for ...Rd6.} 24. Ne4 dxe3 (24... R6f7 $11) 25. fxe3 Rxf1+ 26. Bxf1 Qe7 27. Nd6 Ba8 28. Bc4 $36 {[%mdl 2048] White has good play.} h5 29. Rd1 Kh7 {[#]} 30. Nb5 ({White should try} 30. Bd5 $1 $16) 30... Qg5 (30... Rd8 $11 31. Qe2 Rxd1+ 32. Qxd1 Qg5) 31. Nc7 $16 {Threatens to win with Ne6.} Qh4 $2 (31... Bh6 $16) 32. Bd5 $18 Bb7 (32... Bh6 {might work better.} 33. Nxa8 Qg3) 33. Ne6 Rf5 (33... Re8 $142 34. Rc1 Rxe6) 34. b5 Nd8 35. Nxg7 Kxg7 36. e4 Rg5 37. Bxb7 {Strongly threatening Qd7+.} Nxb7 38. Qd7+ Kh6 39. Bc1 {White wants to mate with Qe8.} ({Not} 39. Qe8 Rxg2+ 40. Kxg2 Qxe4+ 41. Kf2 Qf4+ 42. Ke2 Qh2+ 43. Ke1 Qxb2 $18) 39... Qxe4 40. Qd2 Qh4 41. Qxg5+ (41. Qd5 $142 Qg3 42. Qxb7) 41... Qxg5 42. Bxg5+ Kxg5 {[%mdl 4096] Endgame KR-KN} 43. Rd7 Nc5 44. Rxa7 Kf4 (44... h4 $142 45. a4 Kf5) 45. Rf7+ Ke3 46. Rf6 e4 47. Rxb6 Kd2 48. Rd6+ Nd3 49. Kf1 e3 {[#]} 50. Rxd3+ $1 {Accuracy: White = 57%, Black = 33%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Yoo, Christopher Woojin"]
[Black "Ringoir, Tanguy"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2426"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "188"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,188,4,11,2,19,11,18,19,-5,0,0,0,0,-7,-7,-8,-10,-2,-25,-31,-27,-26,-31,0,-31,-19,-30,-28,-35,-15,-22,-12,-23,-19,-20,66,-6,-6,-83,-83,-83,-83,-104,-83,-85,-61,-72,-53,-104,-104,-102,-75,-119,-120,-121,-121,-125,-118,-283,-210,-283,-244,-244,-244,-244,-244,-251,0,0,0,0,0,0,29,-65,-65,-61,-61,-61,-66,-62,-62,-60,-64,-73,-64,-76,-60,-225,-67,-67,-85,-241,-245,-128,-67,-67,-67,-400,-356,-393,-351,-393,-379,-344,-304,-940,-5108,-5173,-5034,-3649,-1685,-1306,-940,-940,-940,-940,-933,-933,-871,-853,-845,-506,-429,-1092,-1014,-6103,-5277,-2756,-1662,-6982,-7479,-6613,-6859,-5181,-3948,-10587,-29952,-29961,-29964,-29970,-29971,-29971,-29972,-29972,-29973,-29972,-29972,-29972,-29972,-29972,-29974,-29975,-29976,-29976,-29977,-29977,-29977,-29977,-29978,-29978,-29978,-29978,-29979,-29979,-29977,-29981,-29982,-29981,-29982,-29981,-29982,-29986,-29987,-29987,-29987,-29988,-29989]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d6 7. h3 a6 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (7... Ne7 8. d4 Bb6 9. Re1 c6 10. Bd3 Ng6 11. Be3 Nh5 12. Nbd2 Nhf4 13. Bf1 exd4 14. Nxd4 d5 15. N4f3 {½-½ (74) Grandelius,N (2682)-Le,Q (2714) Caleta 2019}) 8. Bxc6 bxc6 9. d4 Bb6 {The position is equal.} 10. Nbd2 exd4 11. cxd4 Re8 12. Qc2 $146 ({Predecessor:} 12. Re1 a5 13. Qc2 Bb7 14. Nc4 d5 15. Nxb6 cxb6 {1-0 (79) Kleinman,M (2289)-Song,M (2415) chess.com INT 2017}) 12... Nxe4 13. Nxe4 {Threatens to win with Re1.} Bf5 14. Re1 Qe7 $1 {[%cal Rf5e4]} 15. Nfd2 d5 16. Qxc6 {Strongly threatening Nf6+!} dxe4 17. Nb3 Qd8 18. Qc3 a5 19. a4 Qh4 20. Re3 Be6 21. Nc5 Bd5 22. Rg3 h6 23. Rg4 Qf6 (23... Qh5 $1 $11) 24. Bf4 (24. Nd7 $1 $14 Qe6 25. Nxb6 cxb6 26. Qg3) 24... h5 $11 25. Bg5 (25. Nd7 $11 Qf5 26. Nxb6 hxg4 27. Nxa8 Bxa8 28. Be3 (28. Bxc7 $2 e3 $19)) 25... Qf5 $36 {[%mdl 2048] White is under strong pressure.} 26. Rg3 {next Bh6 is good for White.} f6 27. Bh6 Re7 28. Qe3 Rb8 29. Rc1 Ba7 30. Qa3 (30. Qd2 $15) 30... c6 $1 31. Bd2 Bb6 32. b4 axb4 33. Bxb4 Ra7 34. Bd2 Bc7 35. Re3 $2 (35. Qc3 $17 {might work better.}) 35... Bd6 36. Rce1 Qg6 37. Qc3 f5 38. Rg3 Bxg3 39. fxg3 {[#]} Rxa4 $2 (39... e3 $1 $19 40. Qxe3 h4 $1 {[%mdl 512]}) 40. Nxa4 $11 {And now Nc5 would win.} Rb3 41. Qc2 $1 {Hoping for Bf4.} Rxg3 42. Bf4 Rf3 43. Qd2 (43. Rf1 $11) 43... e3 $1 $15 {[%cal Re3d2]} 44. Bxe3 {Nc3 is the strong threat.} f4 $1 {[%cal Rf4e3]} 45. Bxf4 Rxf4 46. Nc3 {[#]} Rxd4 $1 {[%mdl 512]} 47. Nxd5 (47. Qxd4 Qxg2#) 47... Rxd5 {[%mdl 4096] Endgame KQR-KQR} 48. Qf4 Kh7 49. Qe4 Rf5 (49... Qxe4 {is more complex.} 50. Rxe4 Rc5 51. h4 g5 52. hxg5 Kg6) 50. g4 $2 (50. h4 $15) 50... Rg5 $2 ({Better is} 50... hxg4 $1 $19 51. hxg4 Rg5 52. Qxg6+ Rxg6) 51. Qxg6+ $1 Rxg6 {KR-KR} 52. Re4 $2 (52. Rc1 $17) 52... hxg4 $19 53. hxg4 {[#]} c5 ({Black should try} 53... Kg8 $1 $17 54. Rc4 Kf7) 54. Kf2 $15 Rc6 55. Rc4 $2 {[%mdl 8192]} (55. Ke1 $15) 55... Kg6 $19 56. Kf3 Kf6 57. Ke3 Ke5 58. Kd3 Kd5 59. Rf4 $2 (59. g5 Ra6 60. Rf4) 59... Rf6 60. Ra4 g5 61. Ke3 Re6+ (61... Rf1 $142 62. Ra8 Re1+ 63. Kd3 Rg1 64. Rd8+ Kc6 65. Rc8+ Kd6 66. Rd8+ Kc7) 62. Kd3 Rb6 63. Ra8 Rb4 64. Rd8+ Kc6 65. Rc8+ Kb6 66. Rb8+ Kc7 67. Rg8 Rxg4 68. Ke3 (68. Rg6 $142 Rd4+ 69. Ke2) 68... Kd6 69. Kf3 Rf4+ 70. Ke3 {[#]} Rf5 $1 {[%cal Rf5e5]} 71. Kd3 Kd5 72. Rd8+ Ke5 73. Ke3 g4 74. Rc8 Rf3+ 75. Ke2 {Black mates.} Kd4 76. Rd8+ Kc3 77. Rg8 Rf4 78. Ke3 Rd4 79. Ra8 Rd7 80. Ra3+ Kb4 81. Ra1 c4 82. Rg1 c3 83. Rxg4+ Kb3 84. Rg8 c2 85. Rb8+ Kc3 86. Rc8+ Kb2 87. Rb8+ Kc1 88. Ke2 Re7+ 89. Kf2 Re5 90. Kf3 Kd2 91. Rd8+ Kc3 92. Rc8+ Kd3 93. Rc7 Rf5+ 94. Kg2 Rf4 {Accuracy: White = 42%, Black = 70%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Rohan, Ahuja"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2380"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,40,16,34,17,48,47,67,44,75,59,80,73,71,71,74,68,78,76,84,87,95,91,87,32,77]} 1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 f5 5. c4 Nf6 6. b3 O-O 7. Bb2 Na6 8. O-O c6 9. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3a5][%mdl 32]} Rb8 10. Qc2 {A87: Dutch Defence: Leningrad System: 5 Nf3} b5 11. a3 Kh8 12. Rac1 Bd7 $146 ({Predecessor:} 12... bxc4 13. Nxc4 Bd7 14. b4 Nd5 15. Na5 Rb6 16. Nd2 Qe8 17. Qb3 Nac7 {½-½ (30) Rohan,A (2411)-Lu,S (2615) Olongapo City 2015}) 13. b4 Rc8 14. Nb3 bxc4 15. Qxc4 Nc7 16. Na5 Ncd5 17. e3 Ne4 18. Rc2 Qb6 19. Nd2 Ndf6 20. Qe2 (20. Rfc1 $16) 20... Qb5 {Accuracy: White = 61%, Black = 24%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Gauri, Shankar"]
[Black "Berczes, David"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2378"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,95,22,13,16,18,15,0,34,26,38,32,39,15,25,9,9,0,22,0,0,-8,-12,0,10,-2,0,0,-4,-56,-17,-17,-13,-13,-13,-18,22,20,15,0,0,-7,-7,-25,-6,-145,-144,-177,-177,-170,-178,-166,-175,-184,-184,-184,-184,-184,-184,-171,-8,-8,-3,-337,-340,-352,-339,-330,-320,-385,-385,-461,-461,-455,-436,-5895,-428,-29971,-29972,-12829,-12105,-29985,-29986,-29986,-29987,-29999]} 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 d6 5. Bg2 Ne7 6. d3 {A21: English Opening: 1...e5 2 Nc3} O-O 7. Nh3 {LiveBook: 8 Games} c5 8. O-O {The position is equal.} Nbc6 9. f4 h6 $146 ({Predecessor:} 9... f5 10. Rb1 h6 11. Nf2 Qc7 12. e4 exf4 13. Bxf4 Ng6 {1-0 (38) Solak,D (2635)-Greet,A (2455) Baku 2016}) 10. e4 exf4 11. Nxf4 Ne5 12. Qe2 Bg4 13. Qc2 Bd7 14. Be3 b5 15. cxb5 Bxb5 16. a4 Ba6 17. Rfd1 Rb8 18. Kh1 Qa5 19. d4 Nc4 20. Bc1 (20. Bg1 $11) 20... cxd4 21. cxd4 Rfc8 {White should prevent ...Ne3!} 22. Qf2 Qc3 $36 {[%mdl 2048] Black is more active.} 23. Bd2 Rb2 24. Bxc3 Rxf2 25. Be1 Rc2 {Black wants to play ...g5.} 26. Bf1 g5 27. Ng2 f5 28. Bxc4+ (28. Bd3 $11 Rb2 29. Rdb1 Rxb1 30. Rxb1) 28... Bxc4 $17 ({Inferior is} 28... R8xc4 29. Ne3 $14) 29. Ne3 {[#]} Re2 $1 {[%cal Re2e3]} 30. Nxc4 Rxc4 31. Rac1 Rxc1 32. Rxc1 fxe4 $19 {[%mdl 4096] Endgame KRB-KRN} 33. Bb4 Nf5 34. g4 Nxd4 {Hoping for ...d5.} 35. Bxd6 Ra2 $2 ({Better is} 35... e3 $19 36. Rc3 Nc2 37. Rc8+ Kf7 38. Rf8+ Ke6) 36. Rc4 $11 Rd2 {White must now prevent ...Nc2.} 37. Bg3 $2 {[%mdl 8192]} (37. Be5 $11 {and White has nothing to worry.} Nf3 38. Rxe4) 37... e3 $19 38. Rc8+ Kf7 39. Rc7+ Ke6 40. Rxa7 e2 41. Ra6+ Kd5 42. Rxh6 Ke4 {Strongly threatening ...Kf3.} 43. a5 (43. Rf6 $142 Ra2 44. a5) 43... Ra2 (43... Kf3 $142 {( -> ...Rd1+)} 44. Rf6+ Kxg4) 44. a6 (44. Rf6 $19 Nf3 45. Re6+ Kd3 46. Rd6+ Ke3 47. Re6+ Kd3 48. Rd6+ Ke3 49. Re6+ Kd4 50. Rd6+ Ke3) 44... Kf3 45. Rf6+ Kxg4 46. a7 Nf3 {Black mates.} 47. Re6 {[#]} e1=Q+ $1 {[%mdl 576] Deflection} 48. Bxe1 (48. Rxe1 Nxe1) 48... Rxh2# {Accuracy: White = 36%, Black = 52%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Banik, Siddharth"]
[Black "Yanayt, Eugene"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2341"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,51,-2,-23,0,0,3,0,18,0,0,1,11,9,16,7,10,18,67,43,81,70,110,110,164,162,161,176,330,319,575,599,942,940]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. Bc4 b5 8. Bb3 Bb7 9. O-O Bg7 10. Re1 O-O 11. a4 Nc6 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} 12. Nxc6 Bxc6 13. Bg5 $146 ({Predecessor:} 13. axb5 axb5 14. Rxa8 Qxa8 15. Nd5 Bxd5 16. exd5 Qb7 17. c3 Re8 18. Be3 Nd7 19. Bd4 {½-½ (31) Jansa,V (2455)-Khalifman,A (2615) Germany 1990}) 13... h6 {The position is equal.} 14. Bh4 g5 15. Bg3 Nd7 16. axb5 axb5 17. Rxa8 Qxa8 18. Nd5 Qd8 19. c3 (19. Nb4 $5 {[%cal Rb4c6]} Bb7 20. Bd5 $14) 19... Nc5 20. Bc2 Qd7 21. h4 Rd8 (21... g4 $16 {was necessary.}) 22. hxg5 $18 hxg5 {[#]} 23. Qh5 $1 Ne6 $2 (23... Qe6) 24. Ne3 b4 $2 (24... Nf4 {keeps fighting.} 25. Qxg5 Ng6) 25. Nf5 bxc3 26. e5 {Accuracy: White = 74%, Black = 10%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Jacobson, Aaron"]
[Black "Francisco, Richard"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2318"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,64,56,29,54,50,50,53,58,57,65,33,51,-14,0,0,0,0,0,0,0,4,7,6,7,8,8,-68,-70,-107,-70,-57,-33,-53,-6,-22,-6,-6,-6,-6,-6,-8,-8,-8,-8,-8,-10,-5,-6]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 b6 9. O-O Bb7 10. f4 e5 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} (10... Nxd4 11. Bxd4 Rc8 12. Qd3 d6 13. Rad1 Qc7 14. Kh1 Rfe8 15. e5 dxe5 16. fxe5 Nh5 17. Nd5 Bxd5 18. cxd5 Bxe5 19. Bxh5 Bxd4 20. Qxd4 gxh5 {½-½ (42) Sasikiran,K (2690)-Nisipeanu,L (2693) Sofia 2007}) 11. Ndb5 exf4 12. Bxf4 Ne8 $1 {White is slightly better.} 13. Qd2 a6 14. Na3 $146 ({Predecessor:} 14. Nd6 Nxd6 15. Bxd6 Re8 16. c5 Bd4+ 17. Kh1 bxc5 18. Bc4 {0-1 (31) Rodin,M (2355)-Kron,V (2395) Moscow 1991}) 14... Nd4 15. e5 (15. Bd3 $14) 15... Nxe2+ 16. Qxe2 Qe7 17. Rad1 f6 {[%cal Rf6e5]} 18. Rfe1 fxe5 19. Bxe5 Qc5+ 20. Qe3 $1 Qxe3+ ({But not} 20... Qc6 $6 21. Nd5 $16) 21. Rxe3 Nf6 $132 {[%mdl 2048] ...Ng4 is the strong threat. Black has counterplay} 22. Bxf6 (22. Ree1 $11) 22... Rxf6 $15 23. Rxd7 Bc6 24. Rd1 $1 Bf8 {[#] And now ...Bc5 would win.} 25. Rf1 $1 {[%cal Rf1f6]} Rxf1+ (25... Rd6 {is more complex.} 26. Nab1 Bg7 27. Ree1 b5 28. cxb5 axb5 29. a3 Rb8) 26. Kxf1 {The position is equal.} Bc5 27. Re2 Rf8+ 28. Ke1 Rf4 29. Nd5 Bxd5 30. cxd5 Bb4+ 31. Kd1 Rd4+ 32. Kc2 Bxa3 {Accuracy: White = 59%, Black = 81%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Martin Del Campo C., Roberto"]
[Black "Arjun, Vishnuvardhan"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2298"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,111,7,43,32,109,22,25,40,35,-16,-8,-17,-16,-13,35,0,0,8,33,-33,14,0,19,7,50,56,50,68,57,0,0,0,0,0,0,0,0,0,45,53,204,202,1168,1077,1060,92,96,88,1239,102,100,74,74,64,74,77,73,72,72,71,68,68,68,68,71,70,97,97,114,97,140,131,135,139,161,161,147,128,140,83,139,150,209,212,206,200,225,214,413,413,398,398,686,686,723,682,5260,625]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 c5 9. dxc5 {B17: Caro-Kann: Modern Line (4...Nd7)} Nbd7 (9... Na4 $14) 10. c6 $146 (10. b4 $16) ({Predecessor:} 10. N1f3 Nxc5 11. Bb5+ Bd7 12. O-O h6 13. Bxd7+ Ncxd7 14. Ne4 Be7 15. Bf4 O-O 16. Rfd1 Qb6 {½-½ (32) Vovk,A (2581)-Tari,A (2401) Riga 2013}) 10... bxc6 $11 11. N1f3 {White has an edge.} Nc5 12. Bc4 (12. O-O $14) 12... h6 13. Nh3 Bd6 14. Bf4 Be7 {Black wants to play ...g5.} 15. Be5 O-O 16. O-O Nd5 17. Bd4 (17. Rad1 $14) 17... f6 18. Rfe1 Bd6 19. Rad1 e5 (19... Qc7 {seems wilder.} 20. Bxc5 Bxc5 21. Nd4 Bxd4 22. Rxd4 Rb8) 20. Bxc5 $1 Bxc5 21. Qe4 {[%cal Rd1d5] Rxd5 is the strong threat.} Bxh3 22. Rxd5 (22. gxh3 $14 Qb6 23. Rd2 (23. Bxd5+ cxd5 24. Qxd5+ Kh8 $17)) 22... cxd5 23. Bxd5+ {[%mdl 64] Double Attack} Kh8 {Strongly threatening ...Bf5!} 24. Nh4 {Ng6+ would kill now.} f5 25. Ng6+ Kh7 26. Nxf8+ Bxf8 27. Qxe5 Bg4 $2 ({Better is} 27... Bd6 $14 28. Qe6 Rb8) 28. Qe6 $18 {[%mdl 1024] White has strong compensation.} (28. Bxa8 $6 Qxa8 29. c4 Qd8 $16) 28... Rb8 $2 (28... Bb4) 29. Qg8+ Kg6 30. Qf7+ $2 (30. Re6+ $18 {is the precise move to win.} Qf6 31. Rxf6+ Kxf6 32. Qf7+ {[%mdl 64] Double Attack} Ke5 33. Qe6+ Kd4 34. Bb3 Rxb3 35. axb3) 30... Kh7 $16 {And now ...Bc5 would win.} ({Worse is} 30... Kg5 31. f4+ $1 {[%mdl 512]} Kh4 32. g3+ Kh3 33. Bg2#) 31. h3 $1 ({Weaker is} 31. Qg8+ Kg6 $18) 31... Bxh3 $2 {[%mdl 8192]} (31... Bb4 $16 32. c3 Bh5 33. Qxh5 Qxd5) 32. gxh3 $2 (32. Qg8+ $18 {and the rest is easy.} Kg6 33. Re6+ (33. gxh3 Kg5 $16) 33... Qf6 34. Rxf6+ Kxf6 35. Qe6+ Kg5 36. Qe3+ {[%mdl 64] Double Attack} Kf6 37. Qc3+ Kg6 38. Qg3+ {[%mdl 64] Double Attack} Bg4 39. Qxb8 {[%mdl 64] Double Attack}) 32... Qg5+ 33. Kh1 {White wants to mate with Qg8+.} Bc5 34. Rg1 Qf6 35. Qxf6 gxf6 {[%mdl 4096] Endgame KRB-KRB} 36. b3 Re8 37. Bf7 Re2 38. Bg6+ Kh8 39. Bxf5 Rxf2 40. Bd3 f5 41. Rg6 Be3 42. Rf6 f4 43. Rxh6+ Kg7 44. Rg6+ Kf7 45. Rg2 $1 Rf3 46. Kh2 $1 Bf2 47. Rg5 (47. Rg4 $142 Bc5 48. h4) 47... Bh4 (47... Bg3+ $142 48. Kg1 Rf2) 48. Rg4 Rf2+ (48... Bg3+ $16 49. Kg1 Be1) 49. Kg1 $18 Bg3 {[#]} 50. h4 $1 Rh2 {[#]} 51. h5 $1 Kf6 $2 (51... Rh4 {was called for.} 52. Rxh4 Bxh4) (51... Rxh5 52. Bg6+) 52. Rg6+ Ke5 53. h6 Kd4 $2 {[#]} (53... Rh4 54. Kg2 Be1) 54. h7 $1 {White is clearly winning.} Ke3 (54... Rxh7 55. Rxg3) 55. Re6+ Kf3 {[#]} 56. Be2+ {Accuracy: White = 50%, Black = 32%.} (56. h8=Q $142 $1 Rg2+ (56... Rxh8 57. Be2#) 57. Kh1 Rh2+ 58. Qxh2 Bxh2 59. Kxh2 Kg4 60. c4 f3 61. c5) 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Mishra, Abhimanyu"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "B61"]
[WhiteElo "2232"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,119,21,26,35,39,35,36,41,24,38,-7,0,-3,0,-29,-33,-27,-35,-30,-35,-39,-12,-18,-27,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,-15,0,0,0,0,0,0,0,-8,0,0,0,-7,0,0,0,-16,-12,-16,0,-17,0,-17,0,-22,0,0,0,0,0,0,0,0,0,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. f4 h6 9. Bxf6 gxf6 10. O-O-O Nxd4 11. Qxd4 Qa5 12. f5 {B61: Sicilian: Richter-Rauzer: 6...Bd7 7 Qd2} h5 13. Kb1 Qc5 14. Qd3 {[#] LiveBook: 6 Games} Bc6 $146 ({Predecessor:} 14... Bh6 15. g3 h4 16. Nd5 Bg5 17. Be2 Kf8 18. c3 Ba4 19. Rdf1 a6 {½-½ (41) Alekseev,E (2673)-Dubov,D (2594) Moscow 2012}) 15. Qf3 Bh6 16. Bb5 Bxb5 17. Rd5 Qe3 {[#] aiming for ...Qxf3.} 18. Qxe3 (18. Rxb5 {keeps more tension.} Qxf3 19. gxf3 b6 20. Rb3 Rg8 21. Ra3) 18... Bxe3 19. Rxb5 b6 20. Rd5 Bf4 21. g3 Be5 22. Nd1 $1 Rc4 23. Nf2 $1 Rd4 (23... Rg8 {is interesting.} 24. c3 Kd7 25. Kc2 a6 26. a3 h4) 24. Rxd4 Bxd4 $11 {[%mdl 4096] Endgame KRB-KRN} 25. Nd3 Be5 26. Kc1 Rg8 27. Kd2 e6 28. Nxe5 fxe5 29. fxe6 fxe6 {KR-KR} 30. Rf1 Ke7 31. Ke3 b5 32. c3 a6 33. Rf2 Rg5 34. Rd2 Rg4 35. Kf3 Rg8 36. Rd1 Rb8 37. Ke3 Rg8 38. Kf3 Rc8 39. Ke3 Rf8 40. b3 Rc8 41. Rd3 Rc5 42. Ke2 Rc8 43. Ke3 Rc6 44. Ke2 Kf6 45. Kd2 Kg5 46. h3 h4 47. gxh4+ Kxh4 48. Ke2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 49. Kd2 a4 50. Rf3 {The position is equal.} Kg5 51. Ke2 d5 52. Rg3+ Kh4 53. Rd3 dxe4 54. Re3 axb3 (54... Kg5 {seems wilder.} 55. Rxe4 Rxc3 56. Rxe5+ Kf6 57. Rxb5 a3) 55. Rxe4+ Kxh3 56. axb3 Rxc3 57. Rxe5 Rxb3 58. Rxe6 Kg3 59. Re3+ Rxe3+ 60. Kxe3 {Precision: White = 82%, Black = 48%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.20"]
[Round "1"]
[White "Adamson, Robby"]
[Black "Ezra Paul Chambers"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2216"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,40,25,-9,-8,-26,-15,-15,-17,-36,-22,-64,-42,-58,-47,-69,-58,-125,-98,-165,-154,-168,-164,-163,-158,-158,-144,-160,-147]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. Be3 b5 {B81: Sicilian Scheveningen: Keres Attack} (8... g5 9. Bg2 Nbd7 10. h4 Rg8 11. hxg5 hxg5 12. Qe2 Ne5 13. f3 b5 14. O-O-O Bb7 15. a3 Rc8 16. Qe1 {0-1 (34) Grigoriants,S (2570)-Inarkiev,E (2680) Wroclaw 2014}) 9. a3 Bb7 10. Bg2 Nbd7 {The position is equal.} 11. Nde2 Ne5 12. b3 g5 13. Qd2 Rc8 14. Bd4 $146 ({Predecessor:} 14. f4 gxf4 15. Nxf4 Qa5 16. Bd4 {1-0 (39) Fedorchuk,S (2415)-Ibrahimov,R (2365) Oropesa del Mar 1998}) 14... Be7 15. f4 ({White should try} 15. O-O-O $15) 15... gxf4 16. Qxf4 (16. Nxf4 $17 Nfd7 17. O-O) 16... Nfd7 $19 {Black is clearly better.} 17. O-O h5 18. gxh5 Rxh5 19. Rad1 Rh7 20. Qg3 Ng6 {Accuracy: White = 18%, Black = 79%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Ringoir, Tanguy"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,15,8,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 {Predecessor:} Rxd8 $146 9. Bg5 Na6 10. Nd5 Rd6 11. Nxf6+ Bxf6 12. Bxf6 Rxf6 13. Nxe5 Re6 14. f4 Nc5 15. O-O-O Re8 16. Bf3 f6 17. Nd3 Nxe4 18. Rhe1 Nd6 19. c5 Rxe1 20. Rxe1 Nf5 21. Re8+ Kf7 22. Rh8 Kg7 23. Rd8 c6 24. Bg4 Ne7 25. Be6 b5 26. Re8 {1-0 (26) So,W (2765)-Nyzhnyk,I (2624) chess.com INT 2019} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Stremavicius, Titas"]
[Black "Ezra Paul Chambers"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2472"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,117,14,15,50,4,58,50,79,73,61,45,88,48,75,58,100,0,75,75,76,41,52,50,35,37,64,32,35,20,27,45,127,81,83,83,80,30,171,106,112,122,140,129,225,152,243,241,284,279,275,262,245,203,194,96,275,258,403,403,6099,6099,6090,6083,5771,6070,5389,5389,5381,5377,3884,2437,6083,1837,1032,627,543,458,458,456,407,392,374,372,450,352,352,306,310,314,509,225,509,449,631,557,501,445,420,398,374,362,4618,4134,11542,6834,4627,4627]} 1. d4 f5 2. Nf3 Nf6 3. Bf4 g6 4. e3 Bg7 5. c4 O-O 6. Be2 d6 7. Nc3 Qe8 {A85: Dutch Defence: 2 c4 Nf6 3 Nc3} 8. h3 (8. Bg3 Nh5 9. Bh4 c6 10. d5 Na6 11. Nd4 Nf6 12. O-O Nc7 13. Bg3 cxd5 14. cxd5 Kh8 15. Qb3 {0-1 (45) Le,Q (2739)-Nepomniachtchi,I (2751) Saint Louis 2017}) 8... c6 (8... Nc6 $11) 9. Bh2 h6 $146 {White is slightly better.} ({Predecessor:} 9... Nbd7 10. O-O e5 11. b4 h6 12. b5 c5 13. dxc5 dxc5 14. Nd5 Nxd5 15. Qxd5+ Qf7 {½-½ (46) Miton,K (2588)-Yakubboev,N (2556) St Petersburg 2018}) 10. Rc1 Nbd7 11. Qb3 Kh8 12. Qa3 g5 13. Bd3 Nh5 14. Be2 ({White should try} 14. O-O $16) 14... Ndf6 (14... Nhf6 $1 $11) 15. c5 f4 16. exf4 (16. cxd6 {feels hotter.} exd6 17. O-O fxe3 18. Bxd6 Nf4 19. Rce1) 16... Nxf4 17. Bxf4 gxf4 18. cxd6 exd6 19. Qxd6 Ne4 20. Nxe4 $1 Qxe4 21. Ne5 {Threatens to win with Ng6+.} Re8 (21... Rf6 $1 $14 22. Qe7 Be6) 22. f3 Qf5 23. O-O $36 {[%mdl 2048] White is really pushing.} Be6 24. Bd3 Qf6 (24... Bxe5 $1 $11 25. Qxe5+ (25. dxe5 Qg5 $11) 25... Qxe5 26. dxe5 Bxa2) 25. Bc4 (25. Qb4 $18) 25... Rad8 26. Qc5 a6 27. Rfe1 Bd5 (27... Bf8 $16 28. Qb6 Bxc4) 28. Kh1 Bxc4 (28... Bf8 $16 29. Qa5 Bxc4 30. Rxc4 Qg7) 29. Qxc4 $18 ({But not} 29. Rxc4 $6 Qf5 $16) 29... Kh7 30. Qc2+ Kg8 31. Qb3+ {[%mdl 64] Double Attack} Kh7 32. Qxb7 Rxd4 {[#]} 33. Nxc6 ({Don't do} 33. Rxc6 $6 Qg5 $14) (33. Ng4 $1 $18 {[%cal Rg4f6]} Rxe1+ 34. Rxe1) 33... Rxe1+ $2 (33... Rc4 $16) 34. Rxe1 Rd2 (34... Rd6 $142) 35. Ne7 Rxb2 (35... Bf8 $142 36. Qe4+ Kg7 37. Nf5+ Kh8 38. Qxf4 Qg5 39. Qe5+ Bg7 40. Qb8+ Rd8 41. Re8+ Rxe8 42. Qxe8+ Kh7) 36. Qe4+ Kh8 37. Qa8+ Bf8 {[#]} 38. Ng6+ $1 {[%mdl 576] Double Attack} Kg7 (38... Qxg6 39. Qxf8+) 39. Nxf8 Qxf8 {[%mdl 4096] Endgame KQR-KQR} 40. Qa7+ Kg8 41. Qxa6 Qf7 42. Qc8+ (42. Qxh6 $142 Rb7 43. Re5 Rb1+ 44. Kh2) 42... Kh7 43. Qd8 Rb7 44. Qd3+ Qg6 45. Qxg6+ Kxg6 {KR-KR} 46. a4 Ra7 47. Re4 Kf5 48. Rb4 Kg5 49. h4+ {[%mdl 64] Decoy} Kxh4 50. Rxf4+ Kg3 $2 (50... Kg5 {was called for.} 51. Rb4 Kg6) 51. Rg4+ Kf2 52. Rh4 Ra6 (52... h5 $142 53. Rc4 (53. Rxh5 Rxa4 54. Kh2 Ra6 $16) 53... Kg3) 53. Kh2 Rg6 54. Rg4 Ra6 55. Rb4 Ra5 {( -> ...Rh5+)} 56. Rb2+ Kf1 $2 (56... Ke3 57. Rb3+ Kd4 58. Rb4+ Kc5 59. Rb5+ Rxb5 60. axb5 Kb6) 57. Ra2 {White is clearly winning.} h5 58. Kg3 Ke1 59. Kh4 {Accuracy: White = 66%, Black = 31%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Berczes, David"]
[Black "Korley, Kassa"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2461"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,81,27,36,33,33,38,42,54,60,64,42,83,59,56,60,56,51,80,70,79,58,80,52,81,86,116,116,117,75,75,78,90,85,92,87,93,87,95,100,164,158,191,202,211,209,215,213,206,77,209,212,214,214,214,214,273,96,105,72,74,75,379,379,379,374,350,312]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. d4 O-O 6. Qc2 c6 7. O-O Nbd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 8. Rd1 Ne4 9. Nbd2 f5 {E08: Closed Catalan: Main Line: 7 Qc2} 10. Ne1 (10. b3 Bd6 11. Nxe4 fxe4 12. Ng5 Nf6 13. f3 e5 14. fxe4 h6 15. exd5 hxg5 16. c5 Bb8 17. dxc6 {½-½ (36) Hausrath,D (2491)-Siebrecht,S (2453) Netherlands 2008}) 10... Ndf6 11. Nd3 Nxd2 {White is slightly better.} 12. Bxd2 Ne4 $146 ({Predecessor:} 12... Qe8 13. b4 Bd7 14. Rab1 Ne4 15. f3 Nd6 16. Nb2 Qh5 {1-0 (33) Kliun,B-Butenko,O (2079) Kiev 2003}) 13. Be1 Bd7 14. Qb3 Qb6 15. e3 Qxb3 16. axb3 Rfc8 17. f3 Nd6 18. Bb4 Bf8 19. Nc5 Nf7 20. Bc3 Bxc5 21. dxc5 Be8 22. e4 dxe4 23. fxe4 a6 24. exf5 exf5 25. Re1 Rc7 26. Re3 Ng5 27. Rae1 Bf7 (27... Bh5 $16) 28. Re5 $18 Ne4 29. Ba5 ({Much less strong is} 29. Rxf5 $6 Nxc3 30. bxc3 Re8 $16) 29... Rd7 30. Rxf5 Nd2 31. Re3 Re8 32. Rxe8+ Bxe8 33. Re5 Bg6 34. Re3 Bf5 35. Kf2 $1 Rd4 {[#]} 36. Ke1 $2 (36. Ke2 $1 $18 {is the precise move to win.}) 36... Ne4 $16 37. Bc3 Nxc3 38. bxc3 Rd3 $2 {[%mdl 8192]} (38... Rd7 $16 {is a better chance.}) 39. Rxd3 $18 Bxd3 {[#]} 40. Bh3 $1 a5 41. Kd2 {Accuracy: White = 60%, Black = 55%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Ostrovskiy, Aleksandr"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2453"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,104,21,25,14,23,28,23,16,32,30,25,5,0,0,0,0,12,11,23,10,36,17,70,27,155,151,147,158,161,84,81,79,159,113,127,131,172,66,96,81,99,56,68,0,70,59,45,72,67,0,95,97,85,96,103,110,137,136,132,129,179,103,218,80,76,18,24,20,30,25,12,26,17,21,21,0,0,0,102,143,125,44,52,0,0,0,29962,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} g6 7. c3 Bg7 8. Bc2 {White has an edge.} O-O 9. d4 e5 10. a4 cxd4 11. cxd4 exd4 12. Nxd4 Ng4 $146 ({Predecessor:} 12... Nc5) 13. Qxg4 {Qd1 is the strong threat.} Bxd4 14. Nc3 Ne5 15. Qg3 Ng4 (15... Be6 $11) 16. Rf1 Be5 (16... Be6 $11) 17. f4 $1 $16 {[%cal Rf4e5]} Bd4+ 18. Kh1 Nf6 19. Be3 (19. f5 $18) 19... Bxe3 20. Qxe3 Re8 (20... Bd7 $142) 21. Rad1 Bg4 22. Rd2 Qe7 23. h3 (23. f5 $18) 23... Bf5 {[%cal Rf6e4]} 24. Re1 Rac8 25. Rde2 Be6 26. Rd2 ({Better is} 26. Qd2 $14) 26... Bc4 (26... Bf5 $11) 27. Rd4 b5 28. axb5 axb5 29. Qd2 (29. Kh2 $14) 29... d5 (29... Nh5 $1 $11) 30. e5 b4 31. Na4 b3 32. Bb1 Qa7 33. Nc3 Nh5 {[%cal Bf6h5,Bh5g7,Bg7e6][%mdl 32]} 34. Kh2 Rcd8 {[#] intending ...Ng7.} 35. Rd1 (35. Nxd5 Rxd5 36. Rxd5 Bxd5 $17) (35. Be4 $1 $18 {[%mdl 512]}) 35... Qc7 (35... Ng7 $16 {was called for.}) 36. g4 (36. Bd3 $18 Bxd3 37. Qxd3) 36... Ng7 {Black wants to play ...Ne6.} 37. Nxd5 (37. Qe3 $16) 37... Bxd5 $11 38. Rxd5 Rxd5 39. Qxd5 Ne6 40. Qe4 Rd8 41. Rxd8+ Qxd8 42. Qe3 $36 {[%mdl 2048] White fights for an advantage.} Qd1 $1 {[%cal Rd1b1]} 43. Be4 {Threatens to win with f5.} Nd4 (43... Qa1 $1 $11 {remains equal.}) 44. f5 Nc2 45. Qd3 ({Much weaker is} 45. Qxb3 $6 Qe2+ 46. Kg3 (46. Bg2 Qxe5+ 47. Kh1 Qe1+ 48. Kh2 Qe5+ 49. Kh1 Qe1+ 50. Kh2 Qe5+ $11) 46... Qe1+ 47. Kf4 Qf2+ 48. Bf3 (48. Kg5 $2 {gets mated.} h6+ 49. Kf6 Qh4+ 50. g5 Qxg5#) (48. Qf3 Qh2+ 49. Kg5 Qd2+ 50. Kh4 Qe1+ 51. Qg3 g5+ {[%mdl 64] Deflection} 52. Kxg5 Qxg3 $19) 48... Qd4+ 49. Kg3 Qg1+ 50. Bg2 Qe1+ 51. Kh2 Qxe5+ 52. Kh1 Qe1+ 53. Kh2 Qe5+ 54. Kh1 Qe1+ 55. Kh2 Qe5+ $11) ({White should play} 45. Qf2 $16) 45... Qe1 46. f6 ({White should try} 46. Qd8+ $14 Kg7 47. Qf6+ Kg8 48. fxg6 hxg6 49. Bg2) 46... Qf2+ 47. Kh1 {[%cal Rd3d8]} h5 $2 {[%mdl 8192] [#]} (47... Nd4 $11) 48. gxh5 $2 (48. Qd8+ $1 {mates} Kh7 {[#]} 49. Bxg6+ $1 {[%mdl 512]} Kh6 50. Qh8+ Kg5 51. Qxh5+ Kf4 52. Qf5+ Kg3 53. Qxf2+ Kxf2 54. e6 fxe6 55. f7) 48... Ne3 $1 {The position is equal.} 49. hxg6 {[%cal Rd3d8]} Qe1+ 50. Kh2 {[%cal Rd3d8]} Qf2+ {[%mdl 64] Double Attack} 51. Kh1 {[%cal Rd3d8]} Qe1+ 52. Kh2 {[%cal Rd3d8]} Qf2+ {[%mdl 64] Double Attack. Accuracy: White = 47%, Black = 41%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Arribas Lopez, Angel"]
[Black "Jacobson, Brandon"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "2443"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "172"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,172,1,8,22,0,0,-3,1,-7,0,-38,0,-44,-65,-66,-40,-71,-70,-108,-108,-102,-99,-166,-125,-152,-160,-162,-101,-91,-92,-100,-83,-86,-89,-114,-49,-144,-152,-131,-95,-238,-233,-273,-277,-285,-283,-261,-278,-268,-154,-152,-153,-212,-172,-181,-183,-239,-255,-383,-344,-341,-333,-347,-336,-345,-275,-265,-225,-383,-319,-399,-386,-391,-378,-371,-354,-1203,-1185,-1124,-1024,-1173,-992,-366,-8,-139,-8,-8,-8,-591,-570,-512,-537,-834,-819,-615,-187,-165,-187,-187,-187,-184,-181,-144,-144,-144,-143,-247,-176,-180,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nc3 d6 3. Nge2 Nc6 4. g3 g6 5. Bg2 Bg7 6. d3 Qd7 {B25: Closed Sicilian: 3 g3, lines without early Be3} (6... Nh6 7. O-O O-O 8. a3 f5 9. Rb1 a5 10. Nd5 e6 11. Ne3 fxe4 12. dxe4 b5 13. e5 d5 14. Nxd5 Nxe5 15. f4 Nc6 {1-0 (33) Yu,Y (2760)-Cornette,M (2611) chess.com INT 2018}) 7. O-O b6 8. Be3 Nf6 9. h3 Bb7 10. g4 $146 ({Predecessor:} 10. Qd2 O-O 11. Bh6 Bxh6 12. Qxh6 Ne8 13. Qd2 Rc8 14. d4 Nxd4 15. Nxd4 cxd4 16. Qxd4 {½-½ (24) Mortensen,E (2475)-Jakobsen,O (2445) Copenhagen 1983}) 10... O-O-O 11. f4 Ne8 12. d4 f5 13. gxf5 gxf5 14. d5 Na5 15. Qd3 Nc7 16. Rae1 (16. exf5 $17 Ba6 17. Qe4) 16... Rhg8 17. Kh2 Bxc3 18. Nxc3 Rxg2+ (18... Ba6 $19 19. Qd1 Bxf1 20. Bxf1 Kb8) 19. Kxg2 $17 Ba6 20. Qd1 Bxf1+ 21. Rxf1 fxe4 22. f5 Qe8 (22... Nc4 $17 23. Bc1 Ne5 24. Nxe4 Rf8) 23. Rf4 ({Better is} 23. b3 $15) 23... Qf7 24. Rxe4 Rg8+ 25. Kh2 (25. Rg4 $17) 25... Qxf5 $19 (25... Qg7 26. Qg4 $14) 26. Rxe7 Nc4 (26... Qg6 27. Qg4+ $1 {[%mdl 512]} Qxg4 28. hxg4 $11) 27. Qd3 Nxe3 {[%mdl 64] Overworked Piece} 28. Qxe3 Qxc2+ 29. Ne2 Qg6 (29... Qxb2 30. Rxc7+ $1 {[%mdl 512]} Kxc7 31. Qe7+ Kc8 32. Qe6+ Kb7 33. Qd7+ Kb8 34. Qxd6+ Ka8 35. Qc6+ Kb8 36. Qd6+ Ka8 37. Qc6+ Kb8 38. Qd6+ $11) (29... Kd8 $19 30. Re4 Nxd5) 30. Qg3 Nxd5 31. Rxa7 (31. Qxg6 $17 Rxg6 32. Rxh7) 31... Qxg3+ 32. Nxg3 $17 {[%mdl 4096] Endgame KRN-KRN} Nc7 $1 33. Nf5 (33. Ra4 $142) 33... Kd7 $19 34. Ne7 (34. Ra3 {keeps fighting.}) 34... Rg7 (34... Kxe7 $2 35. Rxc7+ Ke6 36. Rc6 $17) 35. Nf5 Rg5 36. Ne3 Kc6 37. Ra4 Ne6 38. Re4 Rg6 39. h4 $2 (39. Nf5 Rf6 40. Ne7+ Kd7 41. Nd5 Rf2+ {[%mdl 64] Double Attack} 42. Kg3 Rxb2 43. Nf6+ Ke7 44. Nd5+ Kf7 45. a4) 39... d5 40. Re5 d4 41. h5 Rf6 42. Ng4 Kd6 43. Nxf6 $2 (43. Re1 Rf5 44. h6) 43... Kxe5 {KN-KN} 44. Nd7+ Ke4 45. Nxb6 Kd3 46. Kg3 h6 $2 ({Black should play} 46... Ke2 $19 47. Na4 d3) 47. Kg4 (47. Kf3 $11) 47... Ke2 (47... c4 $1 $17 48. Kf5 Nd8) 48. Kf5 $1 $11 {[%cal Rf5e6]} Nc7 {White must now prevent ...d3.} 49. Kg6 $2 {[%mdl 8192]} (49. Na4 $11) 49... d3 $19 50. Nc4 Nd5 $1 {[%cal Rd5e3] Threatens to win with ...Ne3.} (50... d2 51. Nxd2 $1 {[%mdl 512]} Kxd2 52. Kxh6 $11) 51. a4 {intending a5.} Ne3 $1 {[%cal Re3c4]} (51... d2 52. Nxd2 $1 {[%mdl 512]} Kxd2 53. Kxh6 $18) ({Not} 51... Nb6 $2 52. Nxb6 d2 53. Nd5 $18) 52. Na3 Kd1 $2 (52... c4 {aiming for ...c3!} 53. a5 c3 $1 {[%mdl 512]}) 53. a5 {[#]} Kc1 $1 54. a6 d2 55. a7 d1=Q {( -> ...Qd6+)} 56. a8=Q Qg4+ ({Don't play} 56... Kxb2 57. Qa6) 57. Kh7 Qxh5 {Hoping for ...Qf7+.} 58. Qb8 (58. Qa5 $17 Qf7+ 59. Kxh6 Qe6+ 60. Kh7 Qe4+ 61. Kh6 Qe6+ 62. Kh7 Qe7+ 63. Kg6 Qe6+ 64. Kh7) 58... Qg5 59. Qb3 {[#]} Qe5 $2 (59... h5 $1 $19 {Strongly threatening ...Qe5.} 60. Qc3+ Kd1 61. Qd3+ Ke1 62. Nc2+ Nxc2 63. Qxc2 h4 64. Qe4+ Kd2) 60. Kxh6 $11 {The position is equal.} Qf6+ 61. Kh7 Qf5+ 62. Kg7 $132 {[%mdl 2048] White puts up resistance} Qd7+ 63. Kf8 Qf5+ 64. Ke7 Nd5+ 65. Kd6 Qf8+ 66. Kc6 {[%csl Ga3][%cal Rb3c2]} Qc8+ 67. Kb5 {[%csl Ga3][%cal Rb3c2]} Qb7+ 68. Kc4 {[%csl Ga3][%cal Rb3c2]} Nb6+ 69. Kxc5 {[%csl Ga3][%cal Rb3c2]} Nd7+ {[%mdl 64] Discovered Attack} 70. Kc4 {[%csl Ga3][%cal Rb3c2]} Qe4+ 71. Kb5 Qb7+ 72. Kc4 {[%csl Ga3][%cal Rb3c2]} Ne5+ 73. Kc3 {[%csl Ga3,Gc3][%cal Rb3c2]} Qf3+ 74. Kb4 {[%csl Ga3][%cal Rb3c2]} Nd3+ {[%mdl 64] Double Attack} 75. Kc4 {[%csl Ga3][%cal Rb3c2]} Ne5+ 76. Kb4 {[%csl Ga3][%cal Rb3c2]} Nd3+ {[%mdl 64] Double Attack} 77. Kc4 {[%csl Ga3][%cal Rb3c2]} Nxb2+ 78. Kb4 {[%csl Ga3][%cal Rb3c2]} Qf8+ 79. Ka5 {[%csl Ga3][%cal Rb3c2]} Qa8+ 80. Kb4 {[%csl Ga3][%cal Rb3c2]} Qb7+ (80... Qe4+ {feels hotter.} 81. Ka5 Qa8+) 81. Nb5 Qe4+ 82. Kc5 Na4+ 83. Kd6 Qf4+ 84. Kc6 Qe4+ 85. Kd6 Qf4+ 86. Kc6 Qe4+ {Accuracy: White = 45%, Black = 60%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Rohan, Ahuja"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "2380"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,131,18,13,12,29,24,29,6,8,8,18,12,47,26,20,29,25,25,12,2,2,2,2,1,11,15,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. d4 O-O 6. Nc3 d5 7. cxd5 cxd5 8. Ne5 b6 {D73: Fianchetto Grünfeld: 5 Nf3} (8... Bf5 9. O-O Ne4 10. Bf4 Nxc3 11. bxc3 Nc6 12. Nxc6 bxc6 13. Qa4 Qd7 14. Rac1 Rac8 15. Rfd1 Rfd8 16. c4 Be4 17. f3 Bf5 18. cxd5 cxd5 19. Qxd7 Bxd7 20. Bc7 Re8 21. e3 Bb5 22. Bf1 a6 {½-½ (22) Leko,P (2679)-Mamedyarov,S (2817) Germany 2019}) 9. Bf4 Bb7 {LiveBook: 3 Games} 10. Rc1 Nbd7 11. O-O e6 12. Qa4 Nxe5 13. Bxe5 a6 14. Qb3 $146 ({Predecessor:} 14. Qb4 Ne8 15. Na4 b5 16. Nc5 Bc8 17. e4 Ra7 18. a4 Bxe5 19. dxe5 {1-0 (31) Haria,R (2360)-Petursson,P (2211) Reykjavik 2018}) 14... Bc6 15. Na4 Bxa4 16. Qxa4 b5 17. Qa3 Qb6 18. Rc2 {The position is equal.} Nd7 19. Bxg7 Kxg7 20. e3 Rfc8 21. Rfc1 Qb7 22. b3 Rxc2 23. Rxc2 Rc8 24. Qc1 Rxc2 25. Qxc2 Qb6 26. Qc3 Qd6 27. a4 Nf6 28. axb5 axb5 29. Qa5 Qc6 30. Bf1 Qc2 {[#] aiming for ...Ne4.} 31. Qxb5 Ne4 32. Qe2 Qxb3 33. Bg2 Nd6 34. h4 h5 35. Bf3 Nc4 36. Kg2 Qc3 37. Qd1 Nb2 38. Qf1 Nd3 {[#] Strongly threatening ...Ne1+.} 39. Be2 Nb4 40. Qd1 Nc2 41. Kf1 Nb4 42. Kg2 Nc6 43. Qd3 Qc1 44. Qd1 Qb2 45. Bd3 Nb4 46. Be2 (46. Bb5 {looks sharper.} Nc2 47. Be2 Qc3) 46... Na2 47. Bd3 Qa3 48. Qa1 {And now Bb1 would win.} Qb3 49. Qb1 Qa3 50. Qa1 {Black must now prevent Bb1.} Qxd3 51. Qxa2 $11 {[%mdl 4096] Endgame KQ-KQ} Qe4+ 52. Kg1 Qg4 53. Kh2 g5 54. hxg5 h4 55. gxh4 Qxh4+ 56. Kg2 Qxg5+ 57. Kf1 Qh5 58. Qc2 Qh1+ 59. Ke2 Qh5+ 60. Ke1 Qh1+ 61. Ke2 $1 Qh2 62. Qc6 Qh5+ 63. Ke1 Qh1+ 64. Ke2 Qh5+ 65. Ke1 Qh1+ 66. Ke2 {Precision: White = 78%, Black = 81%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Yanayt, Eugene"]
[Black "Martin Del Campo C., Roberto"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2287"]
[BlackElo "2298"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,104,62,62,62,66,64,57,63,63,74,79,71,68,64,29,39,22,30,28,33,40,106,104,112,105,108,103,113,108,104,114,121,118,152,141,133,142,172,171,157,152,168,110,328,304,309,323,288,263,312,179,166,0,111,0,0,25,68,0,0,0,0,0,0,0,1151,-551,0,-29988,-29989,-29990,-29990,-29990,-29991,-29991,-29991,-29991,-29992,-29992,-29993,-29993,-29992,-29994,-29995,-29995,-29996,-29996,-29995]} 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 f5 10. Ng5 f4 $1 {aiming for ...Bxe2. E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} (10... Bxe2 11. Qxe2 Nc5 12. h4 h6 13. Bxc5 hxg5 14. Ba3 gxh4 15. exf5 Qg5 16. Qe3 Qxg2 17. Rxh4 Rxf5 18. Qg3 Qxg3 19. fxg3 {½-½ (31) Saric,A (2533)-Troyke,C (2347) Skopje 2018}) 11. Bxg4 {Black must now prevent Ne6.} Qxg5 12. Bd2 Nc5 {White is slightly better.} 13. O-O a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 14. b3 Nbd7 15. Bh3 $146 ({Predecessor:} 15. Rb1 Nf6 16. Bf3 Qh6 17. a3 a4 18. bxa4 {1-0 (61) Bairachny,R-Doornbos,Y (2235) Bratislava 1993}) 15... Qe7 16. a3 {[#]} a4 $1 {[%mdl 512]} 17. b4 (17. bxa4 Nb6) 17... Nb3 $1 18. Rb1 f3 19. g3 $1 Nb6 (19... h5 $14) 20. Rxb3 $16 axb3 21. Qxb3 Kh8 22. Be3 {[%mdl 1024] White has strong compensation.} Nd7 23. Rc1 b6 24. Nb5 $1 Nf6 25. Qd3 Ne8 26. c5 bxc5 27. bxc5 h5 28. cxd6 cxd6 29. Rc6 Bf6 30. Bd2 (30. Bh6 $1 $18) 30... g5 $2 (30... Qg7 $16 {is a better defense.} 31. Qxf3 (31. Nxd6 Nxd6 32. Rxd6 Be7 $16) 31... Bg5) 31. Bf5 $18 g4 32. Bb4 Rd8 33. a4 Bg5 34. Bg6 (34. Bc8 $142) 34... h4 35. Bxe8 $2 (35. a5 $18) 35... Qxe8 (35... hxg3 $1 $11 {remains equal.} 36. hxg3 Qxe8) 36. Bxd6 ({Of course not} 36. Rxd6 $6 hxg3 37. hxg3 Qh5 $11) (36. Nxd6 $16 Qh5 37. Qc3 hxg3 38. Qxe5+ {[%mdl 64] Double Attack} Rf6 39. hxg3) 36... hxg3 37. hxg3 Rf6 $1 {Threatening ...Rh6.} 38. Nc7 ({White should try} 38. Qf1 $1 $14) 38... Qxc6 $11 39. dxc6 {And now Nb5 would win.} Rfxd6 40. Qc3 Rd1+ 41. Kh2 Bf6 $2 {[%mdl 8192] [#]} (41... R8d2 $11 42. Qxe5+ {[%mdl 64] Double Attack} Kh7) 42. Qb3 $4 {[%mdl 8192] [#]} (42. Ne6 $1 $18) 42... R8d2 $2 (42... Rf1 $1 $19 43. Ne6 Rxf2+ 44. Kg1 Rg2+ {[%mdl 64] Double Attack} 45. Kf1 Rdd2) 43. Qb8+ $2 {[%mdl 8192]} (43. Qe3 $11 Re2 44. Qh6+ Kg8 45. Qg6+ {[%mdl 64] Double Attack} Bg7 46. Qe6+ Kh8 47. Qc8+ Kh7 48. Qf5+ Kh6 49. Qe6+ Kh7 50. Qf5+ Kh6 51. Qe6+ Kh7 52. Qf5+) 43... Bd8 {[%cal Rd2f2] Black mates.} 44. Qb6 Bxc7 45. Qc5 Kg8 46. a5 Rd6 {[%cal Rd6h6]} 47. Qe3 Kh7 48. a6 Rh6+ 49. Qxh6+ Kxh6 50. a7 Ra1 51. a8=Q Rxa8 52. Kg1 Ra6 {Accuracy: White = 60%, Black = 61%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Arjun, Vishnuvardhan"]
[Black "Adamson, Robby"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2262"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,40,27,26,31,22,23,21,27,36,37,43,0,0,12,2,23,38,26,60,31,94,38,41,19,43,21,14,0,20,21,23,0,53]} 1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. Nc3 a6 5. e3 d6 6. Nge2 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} (6. Nf3 Nf6 7. O-O O-O 8. h3 Ba7 9. d4 h6 10. dxe5 dxe5 11. Qxd8 Rxd8 12. b3 Be6 13. Ba3 Rd7 14. Rfd1 Rad8 15. Rxd7 Rxd7 {½-½ (41) Howell,D (2676)-Ponomariov,R (2694) Riadh 2017}) 6... Ba7 7. d4 h5 8. h3 h4 9. g4 f5 10. d5 Nce7 11. gxf5 Bxf5 12. Ne4 Ng6 $146 13. N2c3 Qe7 14. Bd2 Nh6 (14... Nf8 $14) 15. Qe2 (15. Qa4+ $16 Bd7 16. Qb3) 15... Nf8 $14 16. O-O-O Nd7 17. Rdg1 O-O-O 18. b4 Nf7 19. Bf3 g6 20. Kb2 Nb6 {Accuracy: White = 34%, Black = 51%.} (20... Bd4 $11) 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Mishra, Abhimanyu"]
[Black "Jacobson, Aaron"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2232"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,136,10,10,19,44,31,25,26,56,56,51,0,14,0,0,0,427,398,579,0,0,0,0,0,0,0,0,-30,-28,-81,-89,-108,-102,-135,-93,-100,-99,-99,-76,-63,-36,-50,-39,-82,-82,-97,-43,-43,-43,-53,-15,-15,-16,-16,-16,-20,-20,-20,-23,-24,-24,-24,-24,-35,-8,-77,-8,-8,-19,-77,-10,-3430,-2677,-1006,-1006,-4590,-4025,-2158,-2158,-1587,-1343,-6559,-6079,-29978,-29979,-29979,-29980,-29980,-29981,-29982,-29983,-29984,-29985,-29986,-29984,-29984,-29985,-29987,-29988,-29988,-29989,-29995,-29996,-29996,-29995,-29997,-29997,-29998,-29999]} 1. e4 {CB} e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 12. Bxd4 a6 13. Bxd7+ Bxd7 14. Rb3 Qe7 15. Rxb7 Rc8 {LiveBook: 47 Games} 16. O-O Qa3 17. Rfb1 Bc5 {Hoping for ...Bxd4+.} 18. Ne2 Bxd4+ 19. Nxd4 {[#]} Rc4 $146 20. Rb8+ (20. f5 $5 exf5 21. e6 fxe6 22. Rb8+ Rc8 23. Rxc8+ Bxc8 24. Nxe6 $1 {[%mdl 512]} Bxe6 25. Rb8+ Kf7 26. Rxh8 $16) 20... Bc8 21. c3 Rxc3 22. f5 O-O $2 {[%mdl 8192]} (22... exf5 $11 {and Black has nothing to worry.} 23. e6 (23. Nb3 Rc7 $15) 23... Qc5) 23. f6 $18 {White wants to mate with Qg5.} gxf6 (23... Re8 $142 24. R8b4 gxf6) 24. exf6 $2 (24. R8b3 $18 Rxb3 25. Rxb3) 24... Kh8 $1 $11 25. R8b3 ({Of course not} 25. Qg5 Rg8 $17) 25... Rxb3 26. Rxb3 Qc5 27. Rc3 Qb6 28. h3 {Black must now prevent Rg3.} Rg8 ({But not} 28... e5 $2 29. Qh6 $18) 29. Kh2 (29. Qf4 $11) 29... Qd6+ $1 $17 30. Kh1 e5 $36 {[%mdl 2048] White is under strong pressure.} 31. Qh6 {Intending Rxc8! and mate.} Bd7 ({Much weaker is} 31... exd4 $6 32. Rxc8 $1 {[%mdl 512]} Qg3 33. Rxg8+ Kxg8 34. Qc1 $11) 32. Nf3 Rg6 33. Qh5 {aiming for Ng5.} Qxf6 34. Qxe5 Kg7 35. Rc7 Be6 36. Qxf6+ Rxf6 $15 {[%mdl 4096] Endgame KRB-KRN} 37. Nd4 Bf5 (37... Kg6 $17 38. Ra7 Rf4 39. Nxe6 fxe6 40. Rxa6 Kf6) 38. Nxf5+ Rxf5 {KR-KR} 39. Ra7 Kf6 40. Rxa6+ Ke5 41. g4 Rf4 {next ...d4 is good for Black.} 42. Kg2 d4 {...d3 is the strong threat.} 43. Kg3 Ke4 44. Ra7 $1 {[%cal Ra7e7] Strongly threatening Re7+.} Rf3+ 45. Kg2 Rf6 {Threatens to win with ...d3.} 46. Re7+ Kd3 {Threatening ...h6.} 47. a4 (47. Kg3 $11 {keeps the balance.}) 47... Kc2 (47... h6 $17 48. a5 Kd2) 48. Rc7+ $11 Kd2 49. a5 (49. g5 $1 $11 Rg6 50. h4) 49... d3 (49... h6 $17 {And now ...d3 would win.} 50. Rb7 Ra6 51. Rxf7 d3) 50. a6 $2 {[%mdl 8192]} (50. g5 $11 Rd6 51. a6 Rxa6 52. Rxf7) 50... Rxa6 $19 51. Rxf7 {[#]} h6 $1 52. Kf3 Kc2 53. Rc7+ {[#]} Kd1 $1 54. Kf4 Rd6 55. h4 d2 56. Ra7 Ke1 {Black mates.} 57. Ra1+ d1=Q 58. Rxd1+ Kxd1 {KR-KPP} 59. Kf5 Rd4 60. h5 Ke2 61. Kg6 Rd6+ 62. Kf5 Kf3 63. g5 Rd5+ 64. Kg6 Rxg5+ 65. Kxh6 Kg4 66. Kh7 Kxh5 67. Kh8 Kg6 68. Kg8 Rf5 {Precision: White = 33%, Black = 63%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "2"]
[White "Francisco, Richard"]
[Black "Banik, Siddharth"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2231"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,62,20,22,11,23,22,24,15,22,15,20,29,81,32,32,39,55,59,79,62,63,-41,47,29,19,22,62,12,6,-107,-127,-275,-308,-527,-507,-536,-533,-833,-817]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 Nh6 7. Bd3 cxd4 8. cxd4 Bd7 9. Bc2 Nf5 10. Bxf5 exf5 11. Nc3 Be6 12. O-O Be7 13. Na4 {C02: French: Advance Variation} Qd8 {[#] LiveBook: 9 Games} 14. Bd2 $146 ({Predecessor (4):} 14. b4 b6 15. Be3 Rc8 16. Nb2 g5 17. Nd3 f4 18. Bc1 Qd7 19. Bb2 Nd8 20. Re1 Bf5 {½-½ (57) Hracek,Z (2607)-Fridman,D (2596) Germany 2016}) 14... g5 15. Nc5 {White has an edge.} g4 16. Ne1 {[%cal Bf3e1,Be1d3,Bd3f4,Bf4h5,Bh5f6][%mdl 32]} Bxc5 17. dxc5 h5 18. b4 Rg8 (18... a6 $11) 19. Nd3 h4 20. Re1 a6 21. Nf4 h3 22. Nh5 ({Don't play} 22. gxh3 Qh4 $15) 22... Rg6 23. Bf4 (23. Nf6+ $14 Kf8 24. Bf4) 23... hxg2 (23... d4 $15 24. Nf6+ Kf8) 24. Nf6+ $14 Kf8 25. Qd2 Kg7 $1 26. Bg5 {[%mdl 1024] Strongly threatening Nh5+. White has compensation.} Qh8 {Hoping for ...d4.} 27. Rad1 {[#]} (27. Nxd5 $11 {remains equal.} Kg8 28. Bf6) 27... d4 $1 $17 28. Qf4 (28. f3 $17 {keeps fighting.}) 28... Qh3 $19 29. Rd2 $2 (29. a4) 29... Rh8 {Black is clearly winning.} 30. Red1 {[#] Now Rd3 and White clings on.} g3 $1 {[%csl Gg3,Gh8][%cal Rh3h2][%mdl 512]} 31. Ne8+ (31. fxg3 Qxh2+) 31... Kf8 {Accuracy: White = 40%, Black = 70%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Patel, Advait"]
[Black "Rohan, Ahuja"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2470"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,73,25,25,22,25,27,23,24,25,39,18,17,21,33,33,39,32,36,18,19,34,39,28,552,536,1682,1658,1500,1483,1689,1655,2558,2518,1535,963,964,963,910,862,874,853,1447,902]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 Be7 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 18. Qd2 Nc5 19. Bh6 Nfd7 {White has an edge.} 20. Nh2 bxa4 21. Bxa4 (21. Ng4 Nb3 22. Bxb3 axb3 23. f4 Nf6 24. Ne3 exf4 25. Bxf4 {½-½ (54) Borisek,J (2578)-Amin,B (2686) Batumi 2018}) 21... Nxa4 22. Rxa4 a5 23. Ng4 ({But not} 23. Rxc4 Nb6 $17) 23... Ba6 24. f4 Nc5 $146 ({Predecessor:} 24... exf4 25. Qxf4 Nc5 26. Rf1 f6 27. Nf5 gxf5 28. Qg3 Bf8 {1-0 (28) Sai,K (2409)-Eckert,D (2090) Montreal 2019}) 25. Raa1 Bc8 {Hoping for ...Bxg4.} 26. f5 $1 ({Much weaker is} 26. fxe5 Bxg4 27. Qf4 Nd3 $17) 26... Nb3 27. Qf2 {Black must now prevent Nh5!} Nxa1 $4 {[%mdl 8192] [#]} (27... Bh4 $11) 28. Nh5 $1 $18 {White is clearly winning.} f6 {[#]} 29. Ngxf6+ $1 {[%mdl 512]} Bxf6 30. fxg6 Rf8 31. Bxf8 Qxf8 32. Nxf6+ Kh8 33. Qh4 {[%csl Gf6,Gg6][%cal Rh4h7]} Qe7 {[#]} 34. g7+ $1 {[%mdl 512]} Qxg7 35. Nh5 {White wants to mate with Qd8+.} ({Worse is} 35. Rxa1 Bxh3 36. Qxh3 Qxf6 $11) 35... Qa7+ 36. Kh2 {[%cal Rh4d8]} Bxh3 37. Rxa1 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Jacobson, Brandon"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2455"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,69,27,27,29,9,10,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,-14,0,-62,-66,-125,-111,-110,-37,-33,-43,-50,-9,-10,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-10,-11,-303]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Nc3 e6 6. h3 Bh5 7. g4 Bg6 8. Ne5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Nbd7 9. Nxg6 hxg6 10. g5 Ne4 11. Nxe4 dxe4 12. h4 {LiveBook: 10 Games} (12. Qb3 Qb6 13. h4 Bb4+ 14. Ke2 c5 15. Bg2 f5 {1-0 (57) Nihal,S (2576)-Vitiugov,N (2719) St Petersburg 2018}) 12... Qa5+ 13. Bd2 Bb4 {[#]} 14. Bxb4 $146 (14. a3 {is interesting.} Bxd2+ 15. Qxd2 Qxd2+ 16. Kxd2 f5 17. c5) ({Predecessor:} 14. a3 Bxd2+ 15. Qxd2 Qxd2+ 16. Kxd2 {½-½ (42) Efremov,A (2564)-Emelyanov,M (2527) ICCF email 2015}) 14... Qxb4+ 15. Qd2 Qxd2+ 16. Kxd2 f5 17. gxf6 gxf6 18. Be2 Ke7 19. Rag1 Rag8 20. b4 f5 21. a4 e5 22. Kc3 Rh6 23. Rg2 {[#]} (23. c5 $11) 23... g5 $1 $15 {[%mdl 512]} 24. b5 (24. f3 $15) (24. Rxg5 Rxg5) 24... exd4+ $17 25. exd4 c5 ({Better is} 25... Nf6 $17 26. Rgh2 Rxh4 27. Rxh4 gxh4 28. Rxh4 Rg2) 26. f3 $1 $15 cxd4+ 27. Kxd4 Nf6 (27... Rgh8 {feels hotter.} 28. Rxg5 exf3 29. Bxf3 Rxh4+ 30. Rxh4 Rxh4+ 31. Kd5 Nb6+) 28. Ke5 {The position is equal.} Rxh4 29. Rxh4 gxh4 30. Rxg8 Nxg8 31. Kxf5 exf3 32. Bxf3 $11 {KB-KN} b6 33. c5 bxc5 34. a5 {[#] b6 is the strong threat.} Kd6 35. Kg4 $2 {[%mdl 40960] Precision: White = 61%, Black = 76%. . An unexpected result.} (35. b6 $11 {and White stays safe.} axb6 36. axb6) 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Korley, Kassa"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "D39"]
[WhiteElo "2437"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,73,10,17,0,0,0,-9,17,17,14,13,21,18,24,20,19,20,24,16,22,23,24,19,22,14,17,16,21,17,17,8,10,8,20,17,25,25,19,24,31,31,67,57,554,542,535,518,697,692,637,601,839,489]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 7. e5 cxd4 8. Nxd4 Qa5 9. exf6 Bxc3+ 10. bxc3 Qxg5 11. fxg7 Qxg7 12. Qf3 Nd7 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4} 13. Bxc4 O-O 14. Be2 Nc5 {[#] The position is equal.} (14... Ne5 $5 {[%cal Re5f3]} 15. Qe3 Ng6 $11) 15. Nb3 $146 ({Predecessor:} 15. O-O e5 16. Nb3 Ne6 17. Rfe1 Kh8 18. Qg3 f6 19. Qxg7+ Kxg7 20. Rad1 {0-1 (30) Nikolic,P (2588)-Van Wely,L (2657) Leiden 2015}) 15... Nxb3 16. axb3 Bd7 17. Qg3 Rfc8 18. c4 a5 19. Kd2 Bc6 20. f3 Kf8 {[#] ...Qd4+ is the strong threat.} 21. Qxg7+ Kxg7 22. Ra2 Kf6 23. Ke3 Rd8 24. h4 h6 25. g4 Ke7 26. Rha1 b6 27. c5 bxc5 28. Rxa5 Rxa5 29. Rxa5 $11 {[%mdl 4096] Endgame KRB-KRB} Kd6 30. Ra7 Rd7 31. Ra6 {[#] And now Bb5 would win.} Rb7 32. Bc4 e5 $2 {[%mdl 8192]} ({Black should play} 32... Kd7 $14) 33. g5 $18 {White is clearly winning.} hxg5 34. hxg5 Rb4 {Black hopes to continue with ...Rb7.} 35. Bxf7 Ke7 36. Bc4 (36. Rxc6 Kxf7 37. Kd3 (37. Rxc5 Ke6 $14) 37... Ke7 $16) 36... Bb5 37. Rb6 {Accuracy: White = 71%, Black = 55%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Yoo, Christopher Woojin"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2426"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,80,46,54,79,58,54,67,58,57,63,60,85,74,94,86,96,94,122,118,129,128,143,137,134,134,143,143,143,144,139,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Bg5 Be6 14. Bc4 Qb6 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (14... Qc7 15. Bxf6 dxc4 16. Bxg7 Kxg7 17. Nd5 Bxd5 18. Rxd5 Rfe8 19. Qc3 Kg8 20. Qa5 Qe7 21. Re1 Qh4 22. Rdxe5 Rxe5 23. Qxe5 {½-½ (65) Leko,P (2741)-Carlsen,M (2765) Miskolc 2008}) 15. Bxf6 Bxf6 16. Nxd5 Bxd5 17. Rxd5 {LiveBook: 6 Games} Rad8 18. Qe2 Rxd5 19. Bxd5 Rd8 $146 ({Predecessor:} 19... Rb8 20. Bb3 a5 21. c3 Qa7 22. Qe4 {1-0 (71) Kudryavtsev,Y (1896)-Traczewski,W (1767) LSS email 2009}) 20. Rd1 Kg7 21. c3 a5 22. a4 Qc7 23. Bb3 Rxd1+ 24. Kxd1 Qb6 25. Kc2 Qg1 26. g3 h5 27. Bd5 g5 28. Kb3 h4 29. Qb5 Be7 30. gxh4 gxh4 31. Ka2 (31. h3 $16) 31... Qxh2 $11 {Hoping for ...Qf4.The position is equal.} 32. Qe8 ({Don't play} 32. Qxa5 Qf4 $17) 32... Qf4 {[#] aiming for ...h3.} 33. Qxe7 h3 $1 {[%cal Rh3h2]} ({Much worse is} 33... Qxa4+ $6 34. Qa3 $14) 34. Qd7 {Qg4+ is the strong threat.} h2 35. Qg4+ Kf6 (35... Kf8 $5 36. Qc8+ $8 Kg7 37. Qg4+ Kf6 $11) 36. Qd7 Kg7 37. Qg4+ Kf6 (37... Kf8 $5 38. Qc8+ $8 Kg7 39. Qg4+ $11) 38. Qd7 Kg7 39. Qg4+ Kf6 (39... Kf8 $5 40. Qc8+ $8 Kg7 41. Qg4+ $11) 40. Qd7 Kg7 {Precision: White = 83%, Black = 46%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Gauri, Shankar"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2378"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,25,16,19,-17,-10,-27,-27,-29,-21,-31,-44,-43,-40,-30,0,0,2,0,6,15,47,45,41,23,18,14,49,31,39,24,60,67,81,71,72,60,126,126,117,46,61,54,58,50,64,0,185,152,185,187]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. Bb3 Ba7 8. Re1 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (8... h6 9. Nbd2 g5 10. Nf1 g4 11. N3d2 h5 12. Nc4 b5 13. Nce3 h4 14. Bd5 Nxd5 15. exd5 Ne7 16. Nxg4 Bxg4 17. Qxg4 {0-1 (55) Amin,B (2710)-Fedoseev,V (2719) St Petersburg 2018}) 9. Bg5 h6 10. Bh4 g5 {Black has an edge.} 11. Bg3 Nh7 12. Nbd2 $146 ({Predecessor:} 12. d4 g4 13. Nh4 exd4 14. Nf5 Bxf5 15. exf5 Qg5 16. Re4 Nf6 17. Bf4 Qxf5 18. Bxh6 Nxe4 19. Bxf8 Nxf2 20. Qe2 d3 {0-1 (20) Fedoseeva,V (1930)-Melnikov,D (2292) St Petersburg 2012}) 12... h5 {[#] Strongly threatening ...h4.} 13. h4 g4 14. Nh2 Kh8 15. Nhf1 Ne7 16. Ne3 f5 17. exf5 Bxe3 18. Rxe3 Nxf5 19. Re1 Nxh4 20. d4 exd4 21. Ne4 Nf5 22. Bf4 Bd7 23. cxd4 Be8 24. Rc1 {[%mdl 1024] White has strong compensation.} Qd7 25. Qd2 {Threatens to win with Nc5!} Bf7 ({Black should play} 25... Bg6 $1 $14) 26. d5 $16 Bg6 27. Ng5 (27. Ng3 $16) 27... Nxg5 $14 28. Bxg5 Rae8 29. Re6 $36 {[%mdl 2048] White has good play.} Kh7 30. Rce1 (30. Qc3 $14) 30... Rxe6 $2 {[#]} (30... Ng7 $11) 31. dxe6 $18 ({Not} 31. Rxe6 Re8 $11) 31... Qg7 32. e7 {Accuracy: White = 49%, Black = 47%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Banik, Siddharth"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2341"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,25,44,18,25,25,44,27,33,15,17,0,0,0,52,47,86,90,143,118,104,132,129,118,116,114,134,145,137,125,134,134,152,158,144,78,145,145,152,127,177,151,156,152,183,173,181,103,109,110,107,106,101,97,106,95,110,8,8,8,85,8,25,8]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} Nf6 8. O-O-O Ne5 9. Qg3 {White is slightly better.} b5 $1 {[%cal Rb5b4] Threatening ...b4.} 10. a3 Bb7 11. f3 $146 {Hoping for Ndxb5.} ({Predecessor:} 11. Bxb5 Rc8 12. Ba4 Nxe4 13. Nxe4 Bxe4 14. Bf4 Qc4 15. Bxe5 Qxa4 {1-0 (38) Vachier Lagrave,M (2789)-Anand,V (2776) Karlsruhe/Baden-Baden 2018}) 11... Rc8 12. Kb1 Nc4 (12... Be7 $11) 13. Bxc4 $14 Qxc4 14. Nb3 Ba8 (14... Qc7 $142) 15. Rd4 Qc7 {[#]} 16. Bf4 $1 $36 {[%cal Rf4c7][%mdl 2048] White has strong initiative.} Qa7 17. Be5 Bc6 18. Rhd1 a5 19. Bd6 a4 20. Nc1 Bxd6 21. Qxd6 Qc7 22. Qb4 Qxh2 23. g4 ({White should play} 23. N1e2) 23... h6 (23... h5 $142) 24. N1e2 $16 Qc7 25. R4d3 d6 26. Nxb5 ({Don't take} 26. Qxd6 $6 Qxd6 27. Rxd6 Ke7 $16) (26. Rxd6 O-O $16) 26... Bxb5 27. Qxb5+ Ke7 28. Nc3 ({Don't play} 28. Rxd6 $6 Qxc2+ 29. Ka2 (29. Ka1 Rb8 $17) 29... Rb8 $14) 28... Rhd8 29. Qb4 (29. g5 $18 hxg5 30. Qxg5) 29... Qc5 30. Qxc5 dxc5 31. Nxa4 Rxd3 32. cxd3 {KRN-KRN} Nd7 33. Rc1 Ne5 34. Rxc5 ({Better is} 34. Nxc5 $16 Nxf3 35. b4) 34... Rxc5 $11 35. Nxc5 g6 {[#]} (35... Kd6 $11 {keeps the balance.} 36. b4 Nxf3) 36. Kc2 (36. f4 $1 $16 {[%cal Rf4e5]} Nxg4 37. Kc1) 36... Nxf3 37. a4 {Accuracy: White = 57%, Black = 57%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Ezra Paul Chambers"]
[Black "Arjun, Vishnuvardhan"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2334"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,88,24,0,34,17,46,6,54,44,66,41,41,47,52,49,58,57,67,55,63,58,56,38,35,-11,-19,-39,-44,-35,-47,-35,-44,-48,-47,-46,-26,-19,-6,-12,-12,-10,-8,-50,-48,-164,-175,-163,-103,-95,-98,-108,-114,-101,-98,-105,-100,-120,-108,-145,-111,-260,-252,-248,-236,-487,-482,-454,-443]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. Nd5 Nbd7 10. Qd3 Bxd5 11. exd5 O-O 12. O-O Qb8 {B92: Sicilian Najdorf: 6 Be2} (12... Nc5 13. Nxc5 dxc5 14. Rad1 Bd6 15. Bg5 e4 16. Qb3 Qe7 17. Rfe1 Rad8 18. g3 h6 19. Bxf6 Qxf6 20. Qxb7 Rb8 21. Qxa6 Rxb2 {½-½ (74) Sevian,S (2647)-Sarana,A (2630) chess.com INT 2019}) 13. c4 a5 14. Rfc1 $146 ({Predecessor:} 14. Rad1 Bd8 15. Nd2 Bb6 16. Bxb6 Nxb6 17. Nb1 Nfd7 18. Nc3 Nc5 19. Qb1 Qd8 20. b3 {½-½ (30) Lutz,A (2261)-Naiditsch,A (2417) Bad Zwesten 2000}) 14... Rc8 {The position is equal.} 15. Nd2 Bd8 16. Nb1 Bb6 17. Bxb6 Nxb6 18. Na3 Rc5 19. b3 Nc8 20. Rab1 Na7 21. Qd2 Qc7 22. Nc2 b5 23. b4 axb4 24. Nxb4 {Na6 is the strong threat.} bxc4 {Threatens to win with ...Nb5.} 25. Na6 Qa5 26. Qxa5 Rxa5 27. Bxc4 Rc8 28. Rb8 Rxb8 29. Nxb8 Rc5 30. Na6 Rc8 31. Nb4 Kf8 32. Kf1 {[#]} Nb5 $1 {[%mdl 512]} 33. Ke2 (33. Nc6 $15 Nc7 34. Rd1) (33. Bxb5 Rxc1+) 33... Na3 $19 34. Kd3 {[#]} Rc5 ({But not} 34... Nxc4 35. Rxc4 Rb8 36. f4 $15) (34... Ng4 $1 $19 {White must now prevent ...e4+!} 35. Nc6 Nxf2+ 36. Ke3 Ng4+ 37. Kd3 Ra8) 35. Rc3 Nxc4 36. Rxc4 Nxd5 37. Nxd5 Rxd5+ $17 {[%mdl 4096] Endgame KR-KR} 38. Kc3 Ke7 39. a4 Kd7 40. g4 Rd1 41. Kc2 (41. Rb4 $17) 41... Rf1 $19 42. Kb3 Rxf2 43. a5 $2 (43. Rc1) 43... Rf3+ 44. Kb2 {[#] intending a6.} Rf4 $1 {Accuracy: White = 42%, Black = 67%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Jacobson, Aaron"]
[Black "Stremavicius, Titas"]
[Result "0-1"]
[ECO "B61"]
[WhiteElo "2318"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,73,62,87,68,91,64,76,45,31,-218,-225,-225,-225,-225,-225,-225,-225,-225,-225,-218,-226,-225,-204,-210,-208,-216,-208,-290,-299,-287,-256,-286,-286,-285,-291,-328,-315,-330,-310,-305,-293,-354,-328,-354,-353,-431,-408,-548,-332,-310,-266,-491,-477,-520,-489,-29972]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Rc8 8. f4 h6 9. Bxf6 {B61: Sicilian: Richter-Rauzer: 6...Bd7 7 Qd2} gxf6 10. Nf5 Qa5 {LiveBook: 42 Games} 11. Bb5 {White is better.} a6 12. Bd3 Qc5 $146 ({Predecessor:} 12... Nb4 13. a3 e6 14. Ne3 Nxd3+ 15. cxd3 b5 16. O-O Qb6 {1-0 (31) Wei,Y (2696)-Dai,C (2351) Wuxi 2016}) 13. a3 h5 14. Nd5 $2 (14. O-O-O $14) 14... Bxf5 $1 $19 15. b4 {[#]} Qa7 $1 {Hoping for ...Be6.} ({And not} 15... Qd4 16. c3 $16) 16. exf5 Qd4 17. Nc3 Na7 18. Be4 Qxc3 19. Qxc3 Rxc3 20. Bxb7 Bh6 21. g3 Rxc2 22. Bxa6 Kd7 23. b5 Rb8 24. O-O e5 ({Inferior is} 24... Nxb5 25. Rab1 $11) 25. fxe6+ fxe6 26. a4 f5 27. Rfc1 Rxc1+ 28. Rxc1 Bg7 29. Kg2 Bd4 30. Kh3 Bb6 31. Kh4 Nc8 32. Kxh5 Ne7 33. Rc2 Nd5 34. Kg6 Nb4 35. Rb2 $2 {[#]} (35. Rc4 {only move.} Nd3 36. Rc6) 35... Bc5 36. Re2 Ke7 37. Kh5 {Precision: White = 44%, Black = 78%.} (37. Rd2 $19) 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Martin Del Campo C., Roberto"]
[Black "Francisco, Richard"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2298"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,75,0,0,0,0,0,0,0,0,3,0,0,-12,0,0,0,0,0,0,0,0,132,135,127,101,95,91,134,139,218,202,255,240,247,245,298,306,298,273,773,762,751,739,827,829,800,782,756,398,850,408,1165,1112,1071,521]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nb3 Bg7 6. Be2 Nf6 7. Nc3 O-O 8. O-O d6 9. Re1 b6 10. Bf1 Bb7 11. Bg5 Rc8 12. Nd5 e6 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} 13. Nxf6+ (13. Nc3 a6 14. Qd2 b5 15. Rad1 Ne5 16. f3 Nc4 17. Bxc4 bxc4 18. Nc1 Qb6+ 19. Be3 Qxb2 20. N1e2 {0-1 (62) Ganguly,S (2657)-Shankland,S (2668) Saint Louis 2018}) 13... Bxf6 14. Bxf6 Qxf6 {The position is equal.} 15. c3 Rfd8 16. Nd4 $146 ({Predecessor:} 16. Qe2 Ne5 17. Rad1 Rc7 18. Nd4 Rcd7 19. Qd2 g5 20. Bb5 {1-0 (64) Fluvia Poyatos,J (2479)-Alsina Leal,D (2547) Sabadell 2010}) 16... Ne5 17. Qa4 a6 18. Qb4 Rb8 19. Qxb6 Bxe4 20. Qxa6 Qf4 {And now ...Ng4 would win.} 21. f3 Bd5 (21... Bd3 $1 $11 {remains equal.} 22. Bxd3 Ra8) 22. Qe2 $1 $16 Bc4 23. Qc2 Bxf1 24. Rxf1 Nc4 {[#]} 25. b3 $1 {[%cal Rb3c4]} Ne3 (25... Na5 $16) 26. Qc1 $18 {Strongly threatening g3.} Rbc8 {[#]} 27. g3 $1 {[%cal Rg3f4]} Qh6 28. Re1 e5 29. Rxe3 ({Don't do} 29. Qxe3 $6 Qxe3+ 30. Rxe3 exd4 $18) 29... exd4 {[#]} 30. Re8+ $1 {[%mdl 576] Discovered Attack} Rxe8 $2 (30... Kg7 31. Qxh6+ Kxh6 32. Rxd8 Rxd8 33. cxd4 Rb8) 31. Qxh6 dxc3 32. Kf2 d5 33. Qf4 d4 34. Qxd4 Red8 35. Ke3 f5 $2 (35... Rxd4 36. Kxd4 Kf8) 36. Rc1 (36. Qb6 $142) 36... f4+ (36... Rxd4 $142 37. Kxd4 Kf7 38. Rxc3 Rd8+ 39. Ke5 Re8+ 40. Kd6 f4 41. Rc7+ Kf6 42. Rxh7 Ra8) 37. Qxf4 c2 38. Qe4 {Accuracy: White = 91%, Black = 45%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "3"]
[White "Adamson, Robby"]
[Black "Yanayt, Eugene"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2216"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,33,39,49,-17,-12,-10,-1,0,0,2,-7,0,0,-16,0,-19,0,0,0,0]} 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8. Qxd5 d6 9. Bd2 {B29: Sicilian: 2 Nf3 Nf6 (Nimzowitsch Variation)} (9. Bd3 $14) (9. exd6 Qb6 10. Qe4+ Be6 11. Qh4 f6 12. Bc4 Bxf2+ 13. Qxf2 Bxc4 14. b3 Qxf2+ 15. Kxf2 Bf7 16. c4 Kd7 17. Ba3 a5 18. Nd2 Rhe8 19. Rhe1 {½-½ (30) Anand,V (2759)-Mamedyarov,S (2808) Paris 2018}) 9... Be6 $11 {The position is equal.} 10. Qe4 dxe5 $146 (10... Qb6 {keeps more tension.} 11. O-O-O d5 12. Qf4 Bxf2 13. Bd3 O-O-O) ({Predecessor:} 10... d5 11. Qf4 Qb6 12. O-O-O Bxf2 13. Ne1 Bd4 14. Nd3 Nxe5 15. c3 Nxd3+ 16. Bxd3 Rc8 {0-1 (30) Jadoul,M (2320)-Garcia Palermo,C (2515) Brussels 1985}) 11. Bc4 Bxc4 12. Qxc4 Qb6 13. O-O O-O 14. Bc3 Rae8 15. Rae1 {[%cal Rf3e5]} Bd4 16. Bxd4 exd4 17. b3 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Ringoir, Tanguy"]
[Black "Korley, Kassa"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2510"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,95,8,8,11,11,13,16,17,10,20,7,14,13,14,22,24,8,20,0,0,-78,-75,-75,-78,-79,-72,-145,-100,-100,-97,-97,-100,-93,-88,-86,-88,-96,-100,-133,-24,-33,-33,-56,-36,-50,-28,-29,-25,-18,-18,-29,-17,-66,-47,-41,-40,-49,-33,-33,-15,-15,-15,-26,-15,-15,-15,-15,-15,-15,-2,-2,-2,-5,-2,-8,-8,-8,-2,-2,-4,-8,0,0,-2,-8]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 h6 {D35: Queen's Gambit Declined: Exchange Variation} (7... O-O 8. Nge2 Re8 9. Qc2 h6 10. Bh4 Nbd7 11. g4 Nf8 12. h3 b5 13. Rg1 Ne6 14. f4 Bxf4 15. Bh7+ Kh8 16. exf4 Nxd4 17. Qd3 Nxe2 18. Nxe2 Qa5+ {0-1 (45) Mamedyarov,S (2809)-Kramnik,V (2800) Moscow 2018}) 8. Bh4 O-O 9. Nge2 Re8 10. h3 a5 11. Qc2 Na6 {[%cal Bb8a6,Ba6c7,Bc7e6,Be6g5,Bg5h3][%mdl 32]} 12. a3 Nc7 13. O-O Ne6 14. Rad1 Bd7 $146 ({Predecessor:} 14... Be7 15. f3 {0-1 (65) Grego,L (2367)-Eldridge,M (2349) ICCF email 2014}) 15. f3 Ng5 16. e4 {[#]} (16. f4 $11 {remains equal.} Ne6 17. Ng3) 16... Nfxe4 $1 $17 {[%mdl 512]} 17. fxe4 {Threatens to win with Kh1.} (17. Nxe4 dxe4) 17... Nxh3+ $1 18. gxh3 Qxh4 19. Rf2 ({White should play} 19. e5 Rxe5 20. Bh7+ Kh8 21. dxe5 Bc5+ 22. Rd4 Bxd4+ 23. Nxd4 Qxd4+ {[%mdl 64] Double Attack} 24. Kg2) 19... Bxh3 {aiming for ...Re5!} ({Inferior is} 19... Qxh3 20. Rdf1 $11) 20. e5 {[#]} Rxe5 $1 {[%mdl 512] ( -> ...Rg5+)} 21. dxe5 Bc5 22. Nd4 Bxd4 23. Bh7+ Kh8 {[#]} 24. Rxd4 $1 {[%mdl 512]} Qxd4 25. Qd3 Qg4+ (25... Qxe5 $17 26. Qxh3 Kxh7 27. Rxf7 Re8) 26. Kh2 $1 $11 Qh4 27. Qg3 Qxg3+ (27... Qe7 {is interesting.} 28. Bd3 Bd7 29. Rg2 g6 30. Rf2 Re8) 28. Kxg3 Kxh7 (28... Bd7 {keeps more tension.} 29. Bd3 Kg8 30. Na4 Re8 31. Nc5 Bc8) 29. Kxh3 $15 {[%mdl 4096] Endgame KRN-KR} Kg8 30. Na4 Re8 31. Nc5 Re7 32. Rc2 b6 33. Na4 b5 34. Nb6 Rxe5 35. Rxc6 Re2 36. b4 Re3+ 37. Kg4 axb4 38. axb4 {The position is equal.} Re4+ 39. Kf3 Rxb4 40. Nxd5 Rc4 41. Rb6 Rc5 42. Ke4 h5 43. Kd4 Rc4+ 44. Ke3 b4 45. Nxb4 Rc3+ 46. Nd3 Rc7 47. Nf4 g6 48. Nxg6 {Accuracy: White = 50%, Black = 61%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Stremavicius, Titas"]
[Black "Arjun, Vishnuvardhan"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2472"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,44,43,40,43,46,54,49,43,43,40,47,35,40,41,41,41,41,29,32,35,42,43,54,45,68,47,95,31,41,12,76,4,31,46,50,0,0]} 1. g3 e5 2. c4 Nc6 3. Nc3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 {[%cal Bf3h4,Bh4g2,Bg2f4][%mdl 32] A27: English Opening: Three Knights Variation} g6 (6... Bb4 7. Nxf5 d5 8. Ne3 dxc4 9. d5 Bxc3+ 10. bxc3 Ne7 11. Qa4+ Kf7 12. Qxc4 Nexd5 13. Nxd5 Qxd5 14. Qxc7+ {1-0 (37) Matlakov,M (2683)-Wen,Y (2585) China 2018}) 7. Bg5 Bg7 8. e3 {White is slightly better.} d6 9. Nd5 ({Much worse is} 9. d5 Ne5 $15) 9... O-O 10. Ng2 Ne7 11. Bxf6 $146 ({Predecessor:} 11. h4 c6 12. Nxe7+ Qxe7 {1-0 (20) Taylor,A (2356)-Groffen,H (2121) Hastings 2018}) 11... Bxf6 12. Nxf6+ Rxf6 13. Qd2 c6 14. h4 Be6 15. Nf4 Bf7 16. Be2 h6 17. b3 a6 {[#]} 18. Rg1 (18. d5 $1 $16) 18... b5 $14 19. Rc1 Kh7 (19... d5 $11) 20. f3 (20. d5 $16) 20... bxc4 21. bxc4 Rb8 22. g4 {Hoping for g5.} exf3 {Accuracy: White = 49%, Black = 59%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Ostrovskiy, Aleksandr"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2453"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,15,14,17,29,21,63,57,125,130,189,200,204,193,202,185,210,193,187,193,196,117,120,115,206,170,277,287,265,266,406,424,448,395,449,437,436,439,413,356,433,312,323,319,348,305,339,349,348,342,299,299,353,352,431,425,446,422,539,530,507,530,672,715,786,785,855,796,29973,29973,29992,29993,29993,29994,29996,29997,29997,29998]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d4 Bg7 6. dxc5 {B31: Sicilian: 2...Nc6 3 Bb5 g6} Qa5+ 7. Nbd2 Ba6 8. Rb1 $1 {White is slightly better.} (8. a3 Qxc5 9. c4 Nh6 10. b4 Qh5 11. Rb1 f5 12. exf5 O-O 13. fxg6 Qxg6 {1-0 (43) So,W (2765)-Maze,S (2596) Caleta 2019}) 8... Nf6 (8... Rb8 $14) 9. b4 $16 Qxa2 {[#]} (9... Qc7 $16) 10. Rb3 $1 $18 Bb5 11. Ra3 Qe6 {[#]} 12. c4 $1 {[%cal Rc4b5][%mdl 512]} Nxe4 {White must now prevent ...Nc3+.} (12... Bxc4 13. Ng5) 13. Re3 $146 ({Predecessor:} 13. Qe2) 13... Nc3 {Hoping for ...Qxe3+!} 14. Qb3 Ba4 15. Rxe6 (15. Qa3 $18 Qf5 16. Rxc3 Bxc3 17. Qxc3 Qe6+ 18. Kf1) 15... Bxb3 $16 16. Re3 $36 {[%mdl 2048] Strongly threatening Bb2. White has strong initiative.} Bxc4 (16... Na2 $16) 17. Nxc4 $18 {Bb2 is the strong threat.} Rb8 (17... Nd5 $142) 18. Bb2 Rxb4 19. Nfd2 Ra4 (19... Rxb2 {keeps fighting.} 20. Nxb2 e6) 20. O-O ({Less strong is} 20. Bxc3 Bxc3 21. Ke2 Bb4 $16) 20... Nd5 21. Bxg7 Nxe3 22. fxe3 ({Not} 22. Bxh8 Nxc4 23. Bc3 Nxd2 $11) 22... Rg8 23. Bc3 f6 24. Rb1 g5 25. g4 Kf7 26. Rb7 Ke6 27. e4 h5 28. h3 {[%cal Bh2h3,Bh3g4][%mdl 32]} ({Don't do} 28. gxh5 Rh8 $18) 28... hxg4 29. hxg4 Rh8 30. Kg2 Rh4 31. Ne3 Ra2 32. Kg3 Rh1 33. Nf3 Rc1 34. Bd4 a5 35. e5 fxe5 36. Nxe5 Ra4 37. Nf3 {[%cal Rf3g5]} Kf7 38. Rxd7 Rb4 39. Nf5 {White mates.} Rb3 40. Rxe7+ Kg8 41. Re8+ Kf7 42. Nd6+ Kg6 43. Rg8+ {Accuracy: White = 90%, Black = 28%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Arribas Lopez, Angel"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2443"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,42,0,0,0,0,0,0,0,0,0,0,0,0,11,3,14,0,17,0,8,0,15]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 e5 8. dxe5 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Qa5+ 9. c3 Qxe5+ 10. Qe2 Nbd7 11. Nxg6 hxg6 12. Bf4 {LiveBook: 20 Games. The position is equal.} Qxe2+ 13. Bxe2 Bc5 14. O-O {[#]} (14. Bf3 O-O-O 15. O-O Nd5 16. Bxd5 cxd5 {½-½ (51) Svidler,P (2727)-Giri,A (2793) Baku 2015 CBM 169 [Ramirez Alvarez,Alejandro]}) 14... Nd5 $146 ({Predecessor:} 14... O-O-O 15. h3 Nd5 16. Bg5 Rde8 17. Bc4 N7b6 {½-½ (52) Martirosyan,H (2516)-Hovhannisyan,R (2631) Yerevan 2017}) 15. Bd2 O-O-O 16. Rad1 Rhe8 17. Rfe1 N7f6 18. Bf3 Nb6 19. Be2 Nbd5 20. Bf3 Nb6 21. Be2 Nbd5 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Yoo, Christopher Woojin"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2426"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,147,27,30,0,19,-2,16,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,-6,-6,-13,-6,-8,-4,-7,0,0,0,0,0,-13,-13,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 7. Bb3 d6 8. a4 Bd7 9. c3 {C84: Closed Ruy Lopez: Unusual White 6th moves} O-O 10. Bc2 b4 11. Nbd2 d5 {LiveBook: 3 Games} 12. d4 Bg4 {The position is equal.} 13. exd5 $146 ({Predecessor:} 13. h3 Bh5 14. g4 bxc3 15. bxc3 Bg6 16. Nxe5 Nxe5 17. dxe5 Nxe4 18. Nxe4 dxe4 {½-½ (52) Ponomariov,R (2709)-Michalik,P (2554) Czech Republic 2017}) 13... bxc3 14. dxc6 cxd2 15. Qxd2 Bxf3 16. dxe5 Qxd2 17. Bxd2 Bxc6 18. exf6 Bxf6 19. Rab1 Rfe8 {[#] Threatens to win with ...Re2.} 20. Be3 Bd5 21. b3 a5 22. Rfd1 c6 23. Kf1 Bc3 24. Bd2 Bxd2 25. Rxd2 Rab8 26. Rd3 Kf8 27. Rc3 Rb4 28. f3 Reb8 29. Rc5 Bxb3 30. Bxb3 Rxb3 31. Rxb3 Rxb3 32. Rxa5 $11 {[%mdl 4096] Endgame KR-KR} Rb2 33. Re5 Ra2 34. a5 f6 35. Rc5 Ke7 36. Rxc6 Rxa5 37. Rc7+ Kf8 38. Kf2 Ra4 39. Rc5 Ra2+ 40. Kg3 Kf7 41. h4 Ra7 42. Kh3 g6 43. g4 Kg7 44. Kg3 Rb7 45. h5 Ra7 46. Rd5 Rb7 47. Ra5 Rc7 48. Ra4 Rb7 49. Ra6 Kf7 50. Ra4 Kg7 51. Kf4 Rc7 52. Ra5 Rc4+ 53. Kg3 Kh6 54. Rb5 Ra4 55. Rc5 Rb4 56. Rc6 Kg5 57. Rc7 Kh6 58. Rc5 Ra4 59. Rd5 Rb4 60. Rd6 Kg5 61. Rd7 gxh5 62. Rd5+ Kg6 63. gxh5+ Kh6 64. f4 Rb1 65. Kg4 Rh1 66. Rc5 Rh2 67. Rf5 Rg2+ 68. Kf3 Rg1 69. Rxf6+ Kxh5 70. Ra6 Rf1+ 71. Kg3 Rg1+ 72. Kh3 Rh1+ 73. Kg2 Rb1 74. Kf3 {Precision: White = 68%, Black = 87%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Rohan, Ahuja"]
[Black "Gauri, Shankar"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2380"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,77,30,29,55,56,56,23,58,17,24,18,43,11,11,6,13,18,8,8,26,21,25,20,20,14,23,37,36,33,73,64,83,75,110,110,138,10,131,138,154,132,172,174,200,206,213,193,453,436,985,979,969,960,906,851,29987,29988,29992,29993]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} Nc6 10. cxd5 exd5 11. d4 Nb4 {A14: English Opening: 1...e6 with b3 by White} (11... Rc8) 12. a3 Na6 13. Ne5 $146 ({Predecessor:} 13. Rc1 Qd7 14. Ne2 Rfd8 15. Nf4 Qe8 16. Ne5 Bf8 17. dxc5 bxc5 18. Qe2 Rab8 19. Rfd1 {½-½ (50) Bofill Mas,A (2400)-Estremera Panos,S (2330) Barcelona 1992}) 13... Re8 {White has an edge.} 14. Ne2 Bd6 15. Nf4 cxd4 16. exd4 Nc7 17. Re1 Ne6 18. Nxe6 Rxe6 19. Bh3 Re8 20. Rc1 b5 21. Qd3 Qb6 22. Rc2 b4 23. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Re7 24. Rec1 Rae8 25. Qb5 h6 26. Bf1 Qd8 27. a5 a6 28. Qa4 (28. Qb6 $16) 28... Ne4 (28... Re6 $11 {keeps the balance.}) 29. Nc6 $16 Bxc6 30. Qxc6 ({Worse is} 30. Rxc6 Nd2 $11) 30... Bc7 31. Qxa6 Bxa5 {[#]} 32. Rc8 $1 {[%cal Rc8d8]} Qb6 {[#]} 33. Qa8 $1 {[%csl LRd5,LRe8]} Nf6 $2 (33... Nd6 {is a better defense.}) 34. R1c5 $18 Rxc8 (34... Qe6 $142 35. Rxe8+ Rxe8 36. Qxa5 Qe1) 35. Rxc8+ ({Less strong is} 35. Qxc8+ Re8 $14) 35... Kh7 36. Bd3+ Ne4 37. Qxd5 f5 38. Qxf5+ g6 39. Qf8 {[%mdl 64] Decoy. Accuracy: White = 74%, Black = 29%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Jacobson, Aaron"]
[Black "Banik, Siddharth"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2318"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,63,0,0,0,0,4,0,32,33,26,10,29,0,5,-34,33,0,27,-25,-29,-13,-27,-25,-29,-48,-57,-37,-37,-69,-70,-70,-25,-88,-95,-661,-687,-729,-725,-718,-694,-714,-702,-675,-671,-29985,-29986,-29986,-29987,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 10. Qd3 (10. exd6 Qxd6 11. Qe3+ Be7 12. Nc3 c6 13. Re1 Be6 14. Ne4 Qe5 15. Ng5 Qxe3 16. Bxe3 Bxg5 17. Bxg5 O-O 18. a5 Rfe8 {½-½ (51) Grandelius,N (2678)-Malakhov,V (2654) Germany 2019}) 10... c6 11. a5 g6 {The position is equal.} 12. Be3 Be7 13. Bh6 Bf5 14. Qb3 $146 ({Predecessor:} 14. Qg3 Qd7 15. Nd2 O-O-O 16. a6 b6 17. Nf3 {½-½ (31) Pecka,J (2432)-Stronsky,V (2393) ICCF email 2016}) 14... Qd7 15. Rd1 Be6 (15... O-O-O $15) 16. Qg3 O-O-O 17. Bg5 (17. h4 $142) 17... h5 $11 18. Bxe7 Qxe7 19. Nd2 h4 20. Qe3 d4 21. Qe2 Bd5 22. c4 dxc3 $1 23. bxc3 Qg5 {[%csl Gd5][%cal Rg5g2] [#]} 24. Nf3 (24. f3 $1 $11) 24... Qg4 $40 {[%mdl 128] Strongly threatening ...h3. Black attacks with force.} 25. Rd3 $2 {[%mdl 8192]} (25. Rd4 $17 Bxf3 26. Qxf3 Qxf3 27. gxf3) 25... h3 $19 {[%csl Gh3][%cal Rg4g2]} 26. g3 Bc4 27. Rad1 Rxd3 28. Rxd3 Bxd3 29. Qxd3 Rd8 30. Qe3 Rd1+ {Black mates.} 31. Ne1 {[#]} Qf3 $1 {[%mdl 576] Deflection, Back Rank} 32. Qxf3 Rxe1# {Accuracy: White = 21%, Black = 70%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Yanayt, Eugene"]
[Black "Ezra Paul Chambers"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2287"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,20,39,21,25,18,18,22,17,17,29,24,29,19,23,13,9,0,0,0,14,0,7,0,10,33,19,0,0,0,0,-36,21,16,18,30,26,43,108,98,104,109,108,104,101,81,81,72,77,77,183,177,180,183,177,177,177,177,182,170,225,225,219,228,306,288,366,359,363,343,361,340,345,324]} 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 d6 7. Nc3 c6 8. Rb1 a5 9. b3 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6} Na6 10. Bb2 Qc7 11. d5 {The position is equal.} e5 12. dxe6 Bxe6 13. e3 $146 ({Predecessor:} 13. Ng5 Bd7 14. Qd2 Rad8 15. Rbd1 Bc8 16. Nh3 Nc5 17. Nf4 Ng4 {0-1 (31) Ftacnik,L (2552)-Navara,D (2737) Slovakia 2017}) 13... Rfe8 14. Qe2 Nc5 15. Rfd1 Rad8 16. Nd4 Bf7 17. Qc2 Nfe4 18. Nde2 g5 19. Nxe4 fxe4 20. Bxg7 Kxg7 21. Qc3+ Kg8 22. Qf6 Re5 23. Nc3 Bg6 (23... Be6 $1 $15) 24. Bh3 $1 $11 Qe7 25. Qxe7 Rxe7 26. Rd4 Nd3 {[#]} (26... Bh5 $14) 27. Rd1 $1 $16 Rf8 28. Rd2 Rf6 29. Bg2 Ref7 30. Nxe4 Bxe4 31. Bxe4 Nxf2 32. Bg2 Kf8 {[#]} (32... g4 $16 {might work better.}) 33. h3 $1 $18 ({Resist} 33. Rxd6 $6 Rxd6 34. Rxd6 Ng4 $16) 33... g4 34. hxg4 {Black must now prevent g5.} h6 35. Rf4 ({Don't do} 35. Rxd6 $6 Nxg4 36. Rxf6 Rxf6 $16) 35... Rxf4 36. exf4 Nxg4 37. Rxd6 {[%mdl 4096] Endgame KRB-KRN} Ke7 (37... Nf6 $142 38. Kf2 Ke7) 38. Rg6 h5 39. Rg5 Nf6 40. Rxa5 Kd6 41. Rf5 Ke6 42. Re5+ Kd6 43. Bh3 Rf8 44. Kg2 {Accuracy: White = 70%, Black = 62%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Mishra, Abhimanyu"]
[Black "Martin Del Campo C., Roberto"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2232"]
[BlackElo "2298"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,72,44,45,47,47,39,62,75,41,62,75,111,25,51,60,49,60,101,-167,-153,-127,-127,-169,-169,-250,-206,-787,-778,-825,-818,-29993,-29992,-29992,-29992,-29995,-29990,-29985,-3014,-29990,-29991,-29993,-29990,-29991,-29991,-29993,-29993,-29993,-29994,-29994,-29995]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 Qc5 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} (13... b4 14. Ne2 e5 15. Ng3 h5 16. Bc4 h4 17. Nf1 Bxe4 18. Qe2 Bxf5 19. Ne3 Be6 20. Qf3 Rc8 21. Bxe6 fxe6 22. Qxf6 {1-0 (38) Quesada Perez,Y (2612)-Motylev,A (2661) Saint Louis 2018}) 14. Bd3 b4 15. Ne2 e5 {White is slightly better.} 16. Ng3 a5 17. Nh5 Ke7 18. Rhe1 (18. g4 $1 $16) 18... Rg8 $11 19. Qe2 $1 a4 20. Bc4 Bh6 {[#]} 21. Nxf6 $2 {[%mdl 8192]} (21. h4 $1 $16 {stays on course.}) 21... Kxf6 $19 22. Qh5 {[#]} Kg7 $146 ({Predecessor:} 22... Qxc4 23. Qxh6+ Ke7 24. Qxd6+ Ke8 25. Qxe5+ Kf8 26. f6 Rxg2 27. Qe7+ {1-0 (27) Wemmers,X (2397)-Hommeles,T (2404) Belgium 2009}) 23. Bxf7 Rgf8 24. Rd3 (24. Be6 $142) 24... Qf2 ({And not} 24... Rxf7 25. Rg3+ Kh8 26. Qxf7 $11) 25. Rg3+ $2 (25. Red1 b3 26. axb3 axb3 27. Bxb3) 25... Kh8 26. Rh1 Bxe4 27. Bg6 a3 28. Qd1 Rac8 29. Rd3 Bxd3 30. Qxd3 hxg6 (30... Qxg2 $142 31. Re1 hxg6 32. Rd1 Rxf5 33. Re1 axb2 34. Kxb2 Rf2 35. Kb3 Rf3 36. Re2 Rxd3+ 37. cxd3 Qd5+ 38. Kb2 Qd4+ 39. Kb3 Qc3+ 40. Ka4 Rb8 41. h4 Qa3#) 31. fxg6 Qxg2 {Black mates.} 32. Rd1 axb2 33. Kxb2 Rc3 34. Qxd6 Rxc2+ 35. Kb3 Rc3+ 36. Ka4 Qa8+ {Accuracy: White = 32%, Black = 62%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "4"]
[White "Francisco, Richard"]
[Black "Adamson, Robby"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2231"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,87,0,6,10,0,-5,10,6,3,8,22,68,53,88,93,86,93,79,82,116,133,170,41,44,49,73,81,70,60,151,154,154,156,338,141,254,241,241,248,306,259,229,220,276,281,432,437,410,413,401,386,545,544,539,536,532,525,524,517,536,535,544,530,684,680,893,891,29979,2090,29982,29983,3164,2510]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 {C45: Scotch Game} 10. Bd2 Ba6 {[%cal Ra6c4]} 11. b3 O-O-O {The position is equal.} 12. f4 f6 13. Qf2 $146 ({Predecessor:} 13. Qe4 Bb7 14. O-O-O Re8 15. Re1 fxe5 16. fxe5 g6 17. a4 {0-1 (31) Abdulov,O (2388)-Lenic,L (2641) Minsk 2017}) 13... Bb7 14. a4 $1 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Kb8 15. a5 Nc8 16. a6 Ba8 17. c5 fxe5 18. f5 $36 {[%mdl 2048] White is on the roll.} Qe7 19. Ne4 ({White has to play} 19. b4 $1 $18) 19... d5 $14 20. Bg5 Qd7 21. Bxd8 Qxd8 22. Ng3 Qe7 (22... Qh4 $14) 23. b4 $16 Qh4 24. Rb1 $1 Nd6 $2 (24... Nb6 $16 {keeps fighting.} 25. Bd3 (25. cxb6 Bxb4+ 26. Kd1 cxb6 $14) 25... Nd7) 25. Be2 (25. cxd6 $18 {and the rest is easy.} Bxd6 26. Bd3) 25... Nb5 {[#]} (25... Nc4 $16 {was called for.}) 26. O-O $1 $18 Be7 {[#]} 27. Nh5 $1 Nc3 28. Rb2 Qxf2+ 29. Rxf2 Bg5 30. Rf1 ({Weaker is} 30. Nxg7 Be3 $16) 30... e4 (30... Bh6 {was worth a try.} 31. f6 gxf6) 31. Nxg7 Bf6 32. Nh5 Bd4+ 33. Kh1 Nd1 (33... Kc8 $142 34. f6 Rf8 35. Bg4+ Kd8) 34. Bxd1 Bxb2 35. f6 Rf8 {intending ...Kc8.} 36. Bg4 Bb7 37. axb7 Kxb7 38. Be2 Bc3 39. g4 Bxb4 40. Ng7 Bxc5 41. Ne6 {[%mdl 64] Double Attack} Bd6 42. Nxf8 (42. Rb1+ $142 Ka8 43. Nxf8 Bxf8 44. Ba6 e3 45. g5 Bd6 46. Kg2 d4 47. h4) 42... Bxf8 43. Rb1+ Kc8 44. g5 {Accuracy: White = 72%, Black = 36%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "5"]
[White "Patel, Advait"]
[Black "Arribas Lopez, Angel"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2470"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,64,72,57,61,58,75,21,43,54,48,18,34,-42,-35,-106,-98,-179,-165,-158,-65,-67,-63,-89,-22,-6,-2,-17,-18,-35,0,3,4,0,0,0,0,0,0,0,0,0,104,108,116,112,910,891,895,861,29993,29994,29994,29995]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 a6 7. g5 Nfd7 8. Be3 b5 9. a3 Bb7 10. h4 Nc6 11. Rh3 {B81: Sicilian Scheveningen: Keres Attack} (11. Nxc6 Bxc6 12. Qd4 Rb8 13. h5 Qb6 14. h6 Qxd4 15. Bxd4 Rg8 16. hxg7 Bxg7 17. O-O-O Ke7 18. Bxg7 Rxg7 {0-1 (51) Kobalia,M (2633)-Artemiev,V (2636) Loo 2014}) 11... Be7 12. f4 O-O 13. Qd2 $146 (13. Rg3 $16) ({Predecessor:} 13. f5 Nde5 14. fxe6 Nxd4 15. exf7+ Rxf7 16. Bxd4 Qd7 17. Bg2 Qe6 18. Rg3 d5 {0-1 (33) Thinius,M (2395)-Rotstein,A (2524) Seefeld 2004}) 13... Qa5 $11 14. Nb3 Qc7 15. h5 Nc5 16. g6 (16. Rg3 $14) 16... h6 $15 17. gxf7+ (17. O-O-O $15) 17... Rxf7 $17 18. Be2 (18. Nxc5 $17 dxc5 19. O-O-O) 18... Nxb3 19. cxb3 {[#]} Na5 (19... Rd8 $1 $17 20. Bg4 Bc8) 20. Qc2 $15 Bf6 21. Bg1 Qe7 (21... Nc6 $17 {Hoping for ...Bd4.} 22. Qd2 Raf8) 22. O-O-O $1 $11 Rc8 23. Bb6 Nc6 {And now ...b4 would win.} 24. b4 $1 Bxc3 25. Rxc3 Rxf4 26. Qd2 $36 {[%mdl 2048] White has good play.} Rxe4 {...Ne5 is the strong threat.} 27. Bf3 Rc4 $1 28. Rxc4 bxc4 29. Qxd6 Qg5+ $1 30. Rd2 c3 (30... Qf5 $11 {keeps the balance.} 31. Rf2 Nxb4 32. axb4 (32. Bxb7 $2 Nd3+ 33. Qxd3 cxd3+ $19) 32... Bxf3 33. Rxf3 Qxf3 34. Qxe6+ {[%mdl 64] Double Attack} Kh7 35. Qxc8 Qf1+ 36. Kd2 Qd3+ 37. Ke1 Qb1+ 38. Kf2 Qxb2+ 39. Kg1 Qc1+ 40. Kh2 Qd2+ 41. Kg1 Qg5+ 42. Kf1 Qc1+ 43. Kg2 Qg5+ 44. Kf1 Qc1+ 45. Kg2 Qg5+ 46. Kf1) 31. Qxe6+ $16 ({Of course not} 31. bxc3 $6 Qf6 $11) 31... Kh8 32. bxc3 {[#] Strongly threatening Be4.} Ne5 $2 {[%mdl 8192]} (32... Qg3 $16) 33. Bxb7 $18 Rxc3+ 34. Kb1 {Intending Qe8+ and mate.} Qxd2 35. Qe8+ Kh7 36. Be4+ {Accuracy: White = 47%, Black = 49%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.23"]
[Round "5"]
[White "Berczes, David"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2461"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,61,25,25,12,12,8,20,21,17,21,12,10,22,22,51,60,58,32,37,17,116,115,108,76,199,77,99,16,18,0,0,0,0,0,0,0,8,19,13,17,43,41,354,345,350,334,306,304,304,304,304,292]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nbd2 {E04: Open Catalan: 5 Nf3} (7. e3 Bd7 8. Qe2 b5 9. b3 cxb3 10. axb3 Be7 11. Bd2 O-O 12. Rc1 Nb4 13. Ne5 Nfd5 14. Nc3 c6 15. Ne4 f6 16. Nxd7 Qxd7 17. Nc5 Bxc5 18. Rxc5 f5 19. Ra5 Qc7 20. Ra1 Qd7 21. Ra5 Qc7 22. Ra1 Qd7 {½-½ (22) So,W (2780)-Duda,J (2737) chess.com INT 2018}) 7... Nxd4 8. Nxc4 Nxf3+ 9. Bxf3 {The position is equal.} Qxd1 10. Rxd1 Be7 11. Na5 Nd5 12. e4 Bb4 13. exd5 $146 ({Predecessor:} 13. Nc4 Nb6 14. Nxb6 cxb6 {½-½ (50) Kovalenko,I (2646)-Kveinys,A (2491) Riga 2013}) 13... Bxa5 14. Bf4 f6 15. b4 Bxb4 (15... Bb6 $11 {keeps the balance.}) 16. Bxc7 $16 exd5 17. Bxd5 Bd7 (17... g5 $16) 18. a3 (18. Rd4 $18 Bc5 19. Re4+ Kf8 20. Rc1 (20. Bxb7 Re8 $16)) 18... Rc8 19. Rdc1 (19. Bf4 $16 Bc3 20. Ra2 (20. Bxb7 Bxa1 21. Bxc8 Bxc8 $11)) 19... Bc6 $1 $11 {[%cal Rc6d5]} 20. Bf4 Be7 21. Rab1 g5 22. Bxc6+ bxc6 23. Rb7 Bxa3 24. Re1+ Kf8 $1 25. Bd2 {Black must now prevent Re6.} Bd6 26. Re6 Rc7 $2 {[%mdl 8192] [#]} (26... Be5 $14) 27. Rxc7 $1 $18 (27. Rxf6+ Ke7 $16) 27... Bxc7 {White has a decisive advantage.} 28. Bb4+ ({Inferior is} 28. Rxc6 Be5 $11) ({Less strong is} 28. Rxf6+ Ke8 $16) 28... Kf7 29. Re7+ {[%mdl 64] Double Attack} Kg6 {aiming for ...Be5.} 30. Rxc7 Rb8 31. Bc5 {Accuracy: White = 58%, Black = 39%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.23"]
[Round "5"]
[White "Jacobson, Brandon"]
[Black "Ringoir, Tanguy"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2455"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,75,19,14,19,0,0,0,0,6,18,19,6,10,11,4,15,4,14,4,10,0,0,0,18,11,35,11,18,9,13,23,89,85,87,71,133,140,128,129,128,124,121,142,233,224,225,227,228,226,227,224,224,232,253,237,449,456,448,448,424,363,383,301,1048,1008,935,878]} 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 Ne4 6. Nf3 Bf5 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4)} 7. d3 Nxc3 8. bxc3 c5 {The position is equal.} 9. d4 Nc6 10. Bd3 Bxd3 11. Qxd3 cxd4 12. cxd4 $146 ({Predecessor:} 12. Nxd4 Nxd4 13. cxd4 Bb4+ 14. Ke2 {½-½ (37) Aronian,L (2767)-Khademalsharieh,S (2468) Caleta 2019}) 12... Bb4+ 13. Bd2 Bxd2+ 14. Qxd2 Qa5 15. Qxa5 Nxa5 16. Rb1 a6 17. Ke2 $36 {[%mdl 2048] White has some pressure.} Rc8 18. Kd3 Ke7 19. Nd2 Rc6 20. Rhc1 Rhc8 (20... b5 $11) 21. Rxc6 $16 Rxc6 {[%mdl 4096] Endgame KRN-KRN} 22. Nf1 $1 b5 (22... Rc7 $142) 23. Ne3 Ke6 24. f4 f5 25. exf6 $1 gxf6 26. Re1 $1 {Nc4+ is the strong threat.} Kd6 (26... Kd7 $16) 27. Nf5+ $18 Kd7 28. Re7+ {[%mdl 64] Double Attack} Kd8 29. Rxh7 b4 30. g4 $1 Rc3+ {[#]} 31. Ke2 $1 Rc2+ {[#]} 32. Kf3 $1 {And now g5 would win.} Nc4 $2 (32... Rc3+ 33. Kg2 Rc2+ 34. Kh3 Rc3+ 35. Ng3 Ke8) 33. g5 Nd2+ 34. Kg4 fxg5 35. fxg5 Ne4 36. g6 Rxa2 $2 (36... Rg2+ 37. Ng3 Nf6+ 38. Kh3 Rxa2) 37. g7 {[%cal Rg7g8]} Nf6+ 38. Kg5 {Accuracy: White = 86%, Black = 48%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.23"]
[Round "5"]
[White "Korley, Kassa"]
[Black "Rohan, Ahuja"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2437"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,93,22,4,0,-27,-32,-25,-29,-50,-27,-54,-24,-56,-32,-27,-31,-26,-26,-33,-10,-42,-20,-30,-34,-20,-26,-35,-20,-39,0,-13,0,0,0,0,0,-17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Rb1 c5 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} (8... b6 9. Nh3 Bh6 10. Ng5 Bd5 11. Qc2 Qd7 12. e4 Bxg5 13. Bxg5 Qg4 14. exd5 Qxg5 15. Qe4 Nd7 16. Bxc4 {0-1 (35) Mamedyarov,S (2753)-Nepomniachtchi,I (2717) Khanty-Mansiysk 2013}) 9. Rxb7 Bd5 $146 ({Predecessor:} 9... Qa5 10. Qd2 Bd5 11. Rb1 Nd7 12. Nf3 Bg7 13. Be2 cxd4 14. exd4 Nc5 15. Rb4 Na6 16. Qe3 {0-1 (32) Barwinski,D (2049)-Faron,R (2062) Jastrzebia Gora 2016}) 10. Rb5 Nd7 {Black has an edge.} 11. Nf3 a6 12. Rb1 Qa5 13. Qd2 Bg7 14. Be2 Nf6 15. Bxf6 Bxf6 16. O-O cxd4 17. cxd4 c3 18. Qd3 O-O ({Not} 18... Qxa2 $2 19. Ra1 $18) 19. Rfc1 Rfc8 ({But not} 19... Bxa2 $6 20. Ra1 $16) 20. Rc2 Bc4 21. Qd1 $1 Bd5 22. Rbc1 {The position is equal.} Be4 23. Bd3 Bxf3 24. Qxf3 Rab8 25. g3 Kg7 26. Qe2 Rb6 27. Bc4 e5 28. Rxc3 exd4 29. exd4 Bxd4 30. Rf3 Rc7 31. Rd1 Qc5 32. Bb3 Re7 33. Qd2 Rf6 34. Rxf6 Bxf6 35. Qd3 a5 36. Qf3 Qc3 37. Qd5 h5 38. h4 Qb4 39. a4 Rb7 40. Rd3 Re7 41. Kg2 (41. Rd1 {is interesting.}) 41... Qb7 42. Bc4 Qxd5+ 43. Rxd5 Bc3 44. f4 Rc7 45. Bd3 f5 46. Bb5 Bb4 47. Rd7+ {Accuracy: White = 65%, Black = 81%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "5"]
[White "Gauri, Shankar"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2378"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,89,25,0,8,8,0,20,50,35,37,46,46,36,42,30,60,30,40,39,50,20,65,22,22,35,26,39,40,40,42,37,45,24,37,30,32,10,19,-16,0,0,0,0,0,0,0,0,0,-20,-24,-30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. h4 {A16: English Opening: 1...Nf6 with ...d5} (7. d3 c6 8. O-O O-O 9. Qc2 Na6 10. b3 Re8 11. Bb2 e5 12. a3 Qe7 13. Rac1 h6 14. b4 Nc7 15. Rb1 Bf5 16. Ne4 Rad8 {0-1 (66) Alekseev,E (2700)-Nepomniachtchi,I (2695) Havana 2010}) 7... h6 8. d3 {LiveBook: 5 Games} e5 9. Be3 Nc6 10. Bc5 Bf8 $146 ({Predecessor:} 10... Be6 11. Nd2 Qd7 12. Ba3 Nd5 13. Nde4 b6 14. Nxd5 Bxd5 {½-½ (43) Rajkovic,D-Cvetkovic,S Porec 1974}) 11. Bxf8 Kxf8 12. Rc1 Kg7 13. Ne4 Qe7 14. O-O Nd7 15. Qa4 f5 16. Ned2 Nf6 17. Nb3 Rd8 18. Rfd1 e4 19. dxe4 Rxd1+ 20. Rxd1 {Threatens to win with exf5.} fxe4 21. Nfd4 Nxd4 22. Qxd4 Bf5 23. Na5 c5 24. Qd2 Be6 25. b3 Re8 26. Qd6 Qxd6 27. Rxd6 Bd5 28. Nc4 Bxc4 29. bxc4 $11 {[%mdl 4096] Endgame KRB-KRN} g5 30. hxg5 hxg5 {[%cal Bh6g5,Bg5g4][%mdl 32]} 31. f3 exf3 32. Bxf3 g4 33. Bxb7 {The position is equal.} Rxe2 34. a4 Re1+ 35. Kf2 Rb1 36. Bd5 Rd1 {[#] And now ...Rxd5! would win.} 37. Ra6 (37. Ke3 {seems wilder.} Rf1 38. Ra6 Nxd5+ 39. cxd5 Rf3+ 40. Ke4) 37... Nxd5 38. cxd5 Rxd5 39. Rxa7+ {KR-KR} Kf6 40. Ke3 c4 41. Rc7 Rd3+ 42. Kf4 Rd4+ 43. Ke3 Rd3+ 44. Kf4 Rd4+ 45. Ke3 {Precision: White = 41%, Black = 57%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.23"]
[Round "5"]
[White "Banik, Siddharth"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "2341"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,44,24,27,40,32,53,52,44,29,54,32,45,26,37,13,96,93,89,94,79,86,104,89,143,119,103,78,98,52,79]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Qb6 8. Bxf6 gxf6 9. Nb3 a6 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2} 10. f4 Qc7 11. Be2 h5 12. O-O-O b5 13. Bf3 Ne5 14. Kb1 $146 ({Don't play} 14. fxe5 Bh6 $17) ({Predecessor:} 14. Ne2 Nxf3 15. gxf3 a5 16. Kb1 b4 17. f5 {0-1 (26) Yemelin,V (2500)-Sakaev,K (2648) St Petersburg 1999}) 14... Nxf3 15. gxf3 Bb7 (15... b4 $11 {remains equal.} 16. Ne2 a5) 16. f5 $16 O-O-O 17. fxe6 fxe6 18. Nd4 Bh6 19. Qg2 Qf7 (19... Rhe8 $142) 20. Qh3 Rhe8 21. a3 Kb8 22. Rd3 Bf4 {Accuracy: White = 61%, Black = 41%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.23"]
[Round "5"]
[White "Ezra Paul Chambers"]
[Black "Francisco, Richard"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2334"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,142,58,57,56,60,46,63,47,71,67,79,0,7,0,0,0,70,73,73,70,83,54,42,53,67,42,93,62,72,13,16,16,25,23,38,29,32,0,0,0,37,20,43,0,41,40,35,-36,-31,-19,0,0,9,8,39,4,4,0,4,0,76,72,71,20,73,17,15,20,30,8,8,8,10,0,0,-43,-12,-12,-13,-91,-66,-102,-18,-145,-129,-481,-473,-497,-485,-482,-478,-478,-419,-1195,-264,-212,0,-1195,-1194,-1170,-999,-1280,-1090,-1732,-1491,-1459,-1346,-1472,-1129,-1126,-1070,-29971,-29971,-29970,-5908,-5102,-3529]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 b6 9. O-O Bb7 10. f3 Qb8 11. Qd2 Rd8 12. Rad1 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} (12. Rfd1 e6 13. Nxc6 dxc6 14. Qxd8+ Qxd8 15. Rxd8+ Rxd8 16. a4 Nd7 17. a5 Rb8 18. Rd1 Bc8 19. axb6 axb6 20. Na4 {1-0 (44) Fridman,D (2668)-McShane,L (2713) Wolvega 2012}) 12... d6 13. Rfe1 Rd7 14. Bf1 Qf8 {LiveBook: 3 Games} 15. b3 Rad8 16. g3 $146 ({Predecessor:} 16. Nc2 e6 17. Bg5 h6 18. Bh4 g5 19. Bf2 Nh5 {1-0 (66) Socko,M (2473)-Lind,J (2206) Warsaw 2007}) 16... e6 17. Qf2 Ne5 18. Bh3 Re7 19. Na4 (19. Qe2 $16) 19... d5 $11 20. exd5 exd5 21. c5 $1 Ba6 (21... Rde8 $11) 22. cxb6 $14 axb6 ({Don't blunder} 22... Nd3 $2 23. Rxd3 $1 {[%mdl 512]} Bxd3 24. Nc6 $18) 23. Bf1 Bxf1 24. Kxf1 (24. Rxf1 $2 Nfg4 $1 $17 {[%mdl 512]}) (24. Qxf1 {with more complications.} Rde8 25. Kg2 Nc4 26. Bf2 Ne3+ 27. Bxe3 Rxe3 28. Rxe3 Rxe3 29. Nxb6 Qc5 30. Qf2) 24... b5 25. Nc3 ({But not} 25. Nxb5 Qe8 $17) 25... b4 26. Na4 Rde8 (26... Rc8 $14) 27. Qd2 Rc7 28. Rc1 ({White should play} 28. Kg2 $16) 28... Rxc1 $11 29. Rxc1 Qe7 30. Bf2 Qd7 {Threatens to win with ...Qh3+.} 31. Kg2 Bf8 32. Nc5 Qa7 33. Na4 Qa8 34. Rc7 Bd6 35. Rc1 h5 36. h3 Bf8 37. g4 (37. Rc2 $14) 37... hxg4 $15 38. hxg4 Qb7 39. Bh4 Bg7 (39... Ne4 {feels hotter.} 40. Qe3 Qd7 41. Nb6 Qd6 42. Nb5 Nxg4 43. fxg4 Qe6) 40. Re1 Ned7 41. Rxe8+ (41. Nc2 {is more complex.} Bf8 42. Bg3 Rc8 43. Nd4 Qa6 44. Bf2) 41... Nxe8 42. Nc2 Bf8 43. Be1 {[%cal Rc2b4]} Ne5 (43... Nc7 $11) 44. Qe2 $16 f6 45. Nd4 (45. Bg3 $16) 45... Nc7 (45... Ng7 $11) 46. f4 (46. Bg3 $16) 46... Nc6 $11 47. Ne6 d4 {And now ...Nd8+ would win.} 48. Nxf8 Kxf8 49. Nc5 Qa8 50. Kg3 Qe8 $1 {[%cal Re8e2]} 51. Qd2 Qe7 52. Nd3 {[%cal Rd3b4]} Nd5 $36 {[%mdl 2048] White is under pressure.} 53. Bf2 (53. Qg2 $1 $11 {remains equal.} Qe6 54. Bf2) 53... Nc3 54. Kh2 Qe4 (54... Qh7+ $17 55. Kg2 Qe7) 55. Bh4 (55. Nc5 $1 $11 Qe2 56. Qxe2 Nxe2 57. Kg2) 55... Kf7 $17 56. Bf2 $2 {[%mdl 8192]} (56. Bg3 $17) 56... Qf3 $19 57. g5 Ne4 58. Qc2 Nxf2 59. Nxf2 Qxf4+ {[%mdl 64] Double Attack} 60. Kh3 (60. Kh1 $142 Qh4+ 61. Kg1 Qxg5+ 62. Kf1) 60... Qf3+ $2 (60... Qf5+ 61. Qxf5 gxf5) 61. Kh2 Qf4+ $2 (61... f5 62. Qc4+ Ke7) 62. Kh3 $1 Qf5+ 63. Qxf5 gxf5 64. gxf6 {[%mdl 4096] Endgame KN-KN} Ne5 65. Kg3 Kxf6 66. Kf4 Ke6 67. Kg5 Nf3+ 68. Kf4 {[#]} Ne1 $1 69. Nd1 Nd3+ 70. Kf3 Ke5 71. Ke2 Ke4 {Accuracy: White = 35%, Black = 47%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.23"]
[Round "5"]
[White "Martin Del Campo C., Roberto"]
[Black "Jacobson, Aaron"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2298"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,18,22,0,4,-5,18,14,16,0,16,8,33,19,22,6,14,33,35,16,49,31,41,32,35,29,34,35,39,38,50,43,50,50,52,50,42,45,47,53,45,40,53,44,56,60,92,72,83,87,84,75,118,104,152,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} 7. O-O (7. Nb3 Nc6 8. Nbxd4 Nxd4 9. Nxd4 a6 10. Bf4 Nf6 11. O-O b5 12. Bb3 Bb7 13. Re1 Be7 14. c3 {½-½ (85) Adams,M (2703)-McShane,L (2664) London 2018}) 7... Nc6 8. Nb3 a6 {LiveBook: 134 Games} 9. Re1 {[%cal Rb3d4]} Bb4 10. Re2 $146 {[%cal Rb3d4]} ({Predecessor:} 10. Bd2 Bxd2 11. Qxd2 Nf6 12. Qf4 b5 13. Bf1 O-O 14. Rad1 {1-0 (49) Gorbatov,A (2389)-Bluebaum,K (2253) Riga 2018}) 10... Nge7 11. Nbxd4 Nxd4 12. Qxd4 Qxd4 13. Nxd4 Bd7 14. Bf4 Rc8 15. Bb3 O-O 16. c3 Bc5 17. Rd1 Nc6 18. Nf5 {Hoping for Nxg7.} Rfd8 19. Nd6 Bxd6 $1 20. Rxd6 Be8 21. Rxd8 Rxd8 22. f3 Ne7 23. Kf2 Nd5 24. Rd2 {[#] Black must now prevent c4.} Rd7 25. Bg3 f6 26. c4 Ne7 27. Rxd7 Bxd7 $14 {[%mdl 4096] Endgame KBB-KBN} 28. Bc2 Be8 29. Bd6 Nc6 30. Ke3 g6 31. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Kf7 32. a4 e5 33. Be4 Bd7 34. b5 Na5 35. Bd3 $2 {[#]} (35. Bd5+ $16 Be6 36. Kd3) 35... Be6 $11 {The position is equal.} 36. c5 axb5 37. axb5 Nc4+ 38. Bxc4 $1 {Precision: White = 73%, Black = 61%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "5"]
[White "Arjun, Vishnuvardhan"]
[Black "Yanayt, Eugene"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2262"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,63,9,13,40,28,49,31,90,75,84,69,74,73,99,108,142,140,184,169,153,117,168,141,119,91,126,127,160,172,170,154,167,158,175,180,172,123,111,0,110,115,109,0,0,-936,-936,-936,-936,-867,-737,-1122,-1114,-1412]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be6 7. c4 Qc7 {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3} ({Much weaker is} 7... Nxe4 $6 8. fxe4 Qh4+ 9. Kd2 $16) (7... Nbd7 8. Be3 b5 9. Na3 a6 10. cxb5 d5 11. bxa6 dxe4 12. Bb5 Nd5 13. Bc5 Nf4 14. O-O Bxb3 15. Qxd7+ Qxd7 16. Bxf8 Rxf8 17. axb3 Rxa6 18. Bxd7+ Kxd7 {½-½ (27) Vitiugov,N (2721)-Duda,J (2710) Czech Republic 2018}) 8. Bg5 Nbd7 9. Nc3 Bxc4 $146 (9... Be7 $14) ({Predecessor:} 9... Be7 10. Rc1 Qb6 11. Qd2 Nc5 12. Nxc5 dxc5 13. Nd5 Qd8 14. Be3 b6 15. Be2 {1-0 (23) Somlai,L (2348)-Paszler,J (2218) Hungary 2011}) 10. Rc1 $16 Bxf1 11. Nd5 {[%mdl 64] Discovered Attack} Nxd5 12. Rxc7 Nxc7 13. Rxf1 h6 14. Be3 {[%mdl 1024] White has strong compensation.} Be7 {[#]} 15. Na5 $1 O-O 16. Rf2 Rab8 (16... Rfb8 $16 {is a better defense.} 17. Kf1 Nf6) 17. Rc2 Ne6 18. Qd5 Nf6 19. Qb3 Bd8 20. Nc4 d5 21. exd5 Nxd5 22. Bxa7 ({Don't take} 22. Nxe5 $6 Nxe3 23. Qxe3 Bb6 $14) 22... Nd4 23. Bxd4 $1 exd4 24. Ne5 Ne3 25. Rd2 ({White should play} 25. Re2 $16) 25... Rc8 (25... Ba5 $11 {remains equal.}) 26. Kf2 ({Reject} 26. Qxb7 $6 Bg5 $14) 26... Bg5 {[#]} 27. Rxd4 (27. Re2 $1 $16) 27... Rc2+ $11 28. Kg3 $2 {[%mdl 8192]} (28. Ke1 $11 Nxg2+ 29. Kf1 Ne3+ {[%mdl 64] Discovered Attack} 30. Kg1) 28... Nf5+ $19 {[%mdl 64] Double Attack. Black is clearly winning.} 29. Kh3 Nxd4 30. Qa4 Rd2 31. f4 Bxf4 32. Nc4 {Accuracy: White = 55%, Black = 40%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.22"]
[Round "5"]
[White "Adamson, Robby"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "2216"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,58,25,10,14,10,28,8,15,30,53,64,66,0,0,0,0,0,35,43,47,54,60,7,28,18,24,7,41,0,0,-24,-27,-19,-4]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Be7 9. f4 d6 10. Qe1 O-O 11. Qg3 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Rae1 Rad8 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} 15. Kh1 (15. Bd3 Bc6 16. Qh3 e5 17. Bf2 Qc8 18. f5 h6 19. Bh4 g5 20. fxg6 Qxh3 21. gxf7+ Rxf7 22. gxh3 Rdf8 23. Bxf6 Rxf6 24. Rxf6 Rxf6 {½-½ (45) Kamsky,G (2666)-Grachev,B (2626) St Petersburg 2018}) 15... Rd7 16. Bd3 Re8 17. Re3 Qd8 18. Qh3 g6 19. Rg3 ({Much worse is} 19. Qh6 Bf8 $15) (19. Ref3 $1 $14) 19... Bf8 $1 $11 20. f5 Bg7 $1 21. fxg6 hxg6 $146 ({Predecessor:} 21... fxg6 22. Be3 Nh5 {0-1 (55) Meribanov,V (2132)-Bukavshin,I (2365) Moscow 2009}) 22. Rgf3 {[%cal Rd4f6]} e5 23. Be3 {[#] Bg5 is the strong threat.} Nh5 24. Qg4 (24. a4 $14 d5 25. axb5 (25. exd5 b4 $14) (25. Nxd5 Rxd5 26. exd5 Bc8 $14)) 24... Nf4 25. Bxf4 exf4 26. Rxf4 Qc8 27. Nd1 Rde7 28. Qxc8 Rxc8 29. c3 Rce8 {Accuracy: White = 43%, Black = 67%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "6"]
[White "Ringoir, Tanguy"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[ECO "C96"]
[WhiteElo "2510"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,47,18,13,18,25,2,12,9,10,0,0,0,15,17,8,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. a4 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7} Rb8 (15... Bb7 16. Nxe5 Nxe5 17. f4 Ng6 18. Nf3 Re8 19. axb5 axb5 20. Rxa8 Qxa8 21. b3 Bd8 22. f5 Nf8 {1-0 (54) Shirov,A (2630)-Howell,D (2701) Douglas 2017}) 16. axb5 axb5 {The position is equal.} 17. Nxe5 Nxe5 18. f4 Ng6 19. Nf3 Bh4 20. Nxh4 Qxh4 21. Rf1 Bxh3 $1 22. gxh3 Qg3+ 23. Kh1 $146 {[#] Ra3 is the strong threat.} Qxh3+ 24. Kg1 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "6"]
[White "Stremavicius, Titas"]
[Black "Yanayt, Eugene"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2472"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,39,8,43,-1,38,8,8,4,12,0,34,31,57,23,95,66,97,72,105,102,110,116,135,135,129,132,189,182,176,149,206,194,226,225,232,226,327,354,333,312,712,714,740,387,695,657]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 d6 6. O-O Nc6 7. Nc3 e5 8. a3 {LiveBook: 8 Games. A25: English Opening vs King's Indian with ...Nc6 but without early d3} (8. d5 Ne7 9. b4 a5 10. bxa5 Rxa5 11. Nd2 Nd7 12. Nb3 Ra8 13. a4 f5 14. Ba3 e4 15. Qc2 b6 {1-0 (23) Kuzubov,Y (2638)-Onischuk,V (2614) Lvov 2016}) 8... Nd7 9. b4 f5 10. dxe5 $146 {White is slightly better.} ({Predecessor:} 10. b5 Ne7 11. Qb3 Kh8 12. Ng5 Nf6 13. dxe5 dxe5 14. c5 Qe8 15. Bc4 h6 {1-0 (30) Nader,M (2061)-Ashraf,S (1885) Cairo 2013}) 10... Ncxe5 11. Nd4 {And now Ne6 would win.} Nf6 12. Bb2 Kh8 13. Qc2 Qe7 14. Rad1 a6 (14... c6 $11) 15. Nd5 $36 {[%mdl 2048] White has good play.} Qf7 16. Nf3 Ne4 17. Nxe5 dxe5 18. f3 Nd6 19. c5 Ne8 20. e4 f4 (20... Be6 $16 21. Bc4 Rd8) 21. Bc3 $18 Bd7 22. a4 Rb8 (22... Rd8 $16 {was worth a try.} 23. Bc4 Be6) 23. Rd2 c6 24. Nb6 Be6 25. Qb2 Qc7 (25... Nc7 $142 26. Rfd1 Rbe8 27. Bxe5 Bxe5 28. Qxe5+ Qg7) 26. Rfd1 {[#] Rd7! is the strong threat.} Rf7 27. h3 Bf6 $2 (27... Qe7 28. Nc4 Kg8 29. Nxe5 Bxe5) 28. Bc4 Bxc4 29. Rd7 Be6 $2 {[#]} ({But not} 29... Rxd7 $2 30. Rxd7 Qxb6 31. cxb6 $18) (29... Rd8) 30. Rxc7 {Precision: White = 58%, Black = 15%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "6"]
[White "Patel, Advait"]
[Black "Gauri, Shankar"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2470"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,180,22,21,14,17,22,19,0,5,0,0,0,-6,-9,-14,-17,-13,-47,-46,-47,-43,-36,-42,-103,-96,-142,0,0,0,0,33,30,64,37,90,-405,-427,-545,-541,-525,-543,-552,-532,-537,-525,-849,-801,-850,-582,-548,-316,-364,-310,-337,-343,-345,-335,-423,-423,-421,-417,-562,-547,-526,-495,-484,-408,-467,-452,-436,-427,-430,-427,-560,-231,-231,-222,-791,-778,-704,-672,-783,-789,-750,-518,-466,-361,-635,-413,-635,-567,-482,-445,-679,-679,-685,-685,-833,-944,-1307,-816,-2163,-2100,-1774,-1512,-4794,-3522,-1463,0,-949,0,-965,-865,-804,-774,-1223,-857,-918,-872,-1153,-772,-775,-696,-806,-769,-2310,-2254,-2087,-1861,-1741,-1858,-1670,-1591,-1930,-1802,-5903,-5523,-7756,-6713,-6613,-6597,-5717,-4674,-29975,-29976,-29978,-29979,-29979,-29975,-29976,-29977,-29977,-29978,-29978,-29979,-29980,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29982,-29986,-29985,-29984,-29984,-29984,-29985,-29986,-29983]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} O-O (6... Be6 7. O-O Bd6 8. b3 O-O 9. Nc4 Nd7 10. a4 Bxc4 11. bxc4 a5 12. Bg5 Be7 13. Be3 b6 {½-½ (52) Caruana,F (2828)-Nakamura,H (2749) chess.com INT 2019}) 7. Nc4 Nd7 8. Qe2 {The position is equal.} Re8 9. Bd2 b5 10. Na5 Qf6 11. a4 Bb6 12. Nb3 a5 $146 {[%cal Ba7a5,Ba5a4][%mdl 32]} ({Predecessor:} 12... a6 13. Be3 Rb8 {½-½ (23) Areshchenko,A (2661)-Balogh,C (2659) Germany 2016}) 13. axb5 {[%cal Rd2a5]} a4 $1 14. Bg5 Qd6 15. bxc6 Qxc6 16. Nc1 (16. Nbd2 $15) 16... f5 $1 $17 17. Be3 ({Of course not} 17. exf5 Bb7 $11) 17... Nc5 ({Black should try} 17... fxe4 $17 18. dxe4 Ba6) 18. Bxc5 Bxc5 19. O-O f4 20. h3 Ra6 21. c3 Qh6 (21... Bf8 $14) 22. Kh1 $2 {[%mdl 8192]} (22. Kh2 $1 $16 {is forced if you want to stay better.}) 22... Rg6 $1 $19 {( -> ...Bxh3!)} 23. Ng1 {[#]} Rf8 $1 ({Not} 23... Qg5 24. Qf3 $15) 24. f3 {[#]} Bxg1 $1 25. Kxg1 Bxh3 26. Rf2 Rff6 27. Kf1 {[#]} Rxg2 $1 {[%mdl 512]} 28. Ke1 (28. Rxg2 Rg6) 28... Rg1+ 29. Kd2 Bd7 30. Nb3 Rxa1 31. Nxa1 Rb6 32. Kc1 Qe6 {Strongly threatening ...Qa2.} 33. c4 Qd6 34. Nc2 Rb3 35. d4 exd4 36. e5 Qb6 {And now ...d3 would win.} 37. e6 Qxe6 38. Nxd4 Qxe2 39. Rxe2 {[%mdl 4096] Endgame KRB-KRN} Rd3 40. Re4 c5 41. Nb5 Bxb5 (41... Rxf3 $142 42. Nc7 Rf2) 42. cxb5 Rxf3 {KR-KR} 43. b6 $2 (43. b4 cxb4 44. b6 Rc3+ 45. Kb2) 43... Rb3 44. Rxf4 Rxb6 45. Rxa4 h5 46. Ra5 Rc6 47. Kd2 Kf7 48. Ke3 $2 (48. b4 g5 49. b5) 48... Ke6 49. Ke4 (49. b4 $142 cxb4 50. Rxh5) 49... g6 50. Rb5 Kd6 51. Kf4 (51. b3 $142 Ke6 52. Kf4) 51... Kd5 52. Kg5 Kd4 53. Rb8 c4 54. Rb7 Kc5 55. Rf7 Rb6 56. Rf2 Kb4 57. Rf3 Rd6 58. Rf8 Rb6 59. Rf3 $1 Kc5 60. Rf2 Kd4 61. Rc2 Re6 62. Rd2+ Ke3 63. Rc2 Rc6 64. Rh2 Ra6 65. Rc2 Kd4 66. Rd2+ Kc5 67. Rd8 Rb6 68. Rd2 Kb4 69. Rc2 Re6 70. Kf4 Rf6+ 71. Kg5 Rd6 72. Kh6 h4 73. Kg5 h3 74. Rh2 Kb3 75. Kg4 Rd1 76. Kxh3 Rb1 {Black mates.} 77. Rg2 Rxb2 78. Rxg6 Rf2 79. Kg3 Rf8 80. Rb6+ Kc2 81. Rc6 c3 82. Rc7 Kd2 83. Rd7+ Kc1 84. Rc7 c2 85. Rc6 Rf5 86. Kg4 Rf1 87. Kg3 Kb2 88. Rb6+ Ka3 89. Ra6+ Kb4 90. Rb6+ Ka5 {Accuracy: White = 31%, Black = 69%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "6"]
[White "Arribas Lopez, Angel"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2443"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,11,21,18,15,0,8,0,0,0,0,12,22,20,45,4,10,16,35,17,41,20,32,0,0,0,5,-19,25,15,37,0,0,-16,-16,-65,16,-33,0,0,0,0,72,61,77,84,117,106,117,96,126,47,56,62,110,121,121,120,310,316,305,323,297,307,295,295,300,1,293,282,648,527,541,535,526,520,491,493,540,527,697,654,745,723,792,793,29986,29987,29997,29998]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 (3... dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 7. Qf4 Qf5 8. Qe3 Qxc2 9. Bd3 Qa4 10. O-O Nd7 11. b3 Qb4 12. Bb2 Nf6 13. Bc4 Nd5 14. Qe4 {1-0 (28) Harikrishna,P (2744)-Howell,D (2676) Riadh 2017}) 4. d3 dxe4 5. Nxe4 Bg4 6. Nxf6+ {B11: Caro-Kann: Two Knights Variation} exf6 7. Be3 $146 ({Predecessor:} 7. Be2 Bd6 8. O-O O-O 9. h3 Bxf3 10. Bxf3 Nd7 11. Be3 Qc7 12. Qd2 {0-1 (75) Goye Redondo,M-Martin,J Almendralejo 2003}) 7... Bd6 8. Be2 {The position is equal.} O-O 9. h3 Be6 10. O-O f5 11. c4 Re8 12. Bd4 Nd7 13. Bc3 Nf8 14. Re1 Ng6 15. Bf1 Bc7 16. Qd2 Qd6 17. g3 f6 18. d4 Bf7 19. Qc2 Ne7 20. Bd2 Qd7 21. Bg2 h5 22. Rad1 Rad8 (22... Ng6 $1 $15) 23. b3 f4 24. Bxf4 Bxf4 25. gxf4 Bg6 (25... Be6 $11) 26. Qc3 $16 Qd6 27. Nh4 {Threatens to win with Rxe7!} Bh7 28. Qa5 Bc2 29. Rc1 Ng6 30. Qxh5 (30. Nxg6 $16 Bxg6 31. f5 (31. Qxa7 Qxf4 32. Qb6 Kh7 $11)) 30... Rxe1+ $14 31. Rxe1 Nxh4 32. Qxh4 Qxd4 33. Re7 Rd7 $2 {[#]} (33... Qd1+ $16 34. Kh2 Qd6 35. Rxb7 Rd7) 34. Re8+ $1 $18 Kf7 35. Qh5+ Bg6 36. Qh8 {[%csl Ge8][%cal Rh8g8]} Qd1+ 37. Kh2 {[%csl Ge8][%cal Rh8g8]} Bf5 {and the idea ...Qd2 leaves Black hopeful.} 38. Qg8+ $40 {[%mdl 128] White has some attack.} Kg6 39. Re3 {And now Rg3+ would win.} Qd4 $2 (39... Qc2 40. Qe8+ Kh6) 40. Qh8 Qxf4+ 41. Rg3+ Kf7 42. Qxg7+ Ke6 43. Qg8+ Ke7 44. Kg1 {aiming for Rg7+.} Qc1+ 45. Bf1 Rd1 46. Re3+ Kd6 47. Qb8+ {[%mdl 64] Double Attack} Kc5 {[#]} 48. b4+ $1 {[%mdl 576] Decoy} Kxb4 49. Qxb7+ {[%mdl 64] Double Attack. Accuracy: White = 60%, Black = 41%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "6"]
[White "Yoo, Christopher Woojin"]
[Black "Korley, Kassa"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2426"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,124,-71,-92,-86,-120,12,2,31,14,24,18,45,35,30,0,0,-27,-21,-10,0,0,0,0,0,7,0,0,16,0,0,-81,-77,-65,-67,-94,-96,-107,-85,-97,-90,-134,-13,-201,-182,-218,-213,-217,-229,-237,-215,-220,-220,-251,-213,-193,-220,-205,-213,-225,-216,-220,-204,-227,-221,-214,-191,-217,-232,-387,-362,-363,-248,-253,-262,-256,-229,-297,-279,-460,-450,-483,-491,-587,-578,-777,-624,-704,-685,-759,-735,-662,-592,-29968,-29972,-29980,-29981,-29989,-29985,-29985,-29986,-29988,-29989,-29988,-29989,-29989,-29990,-29991,-29979,-29996,-29991]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Ne2 e6 6. Ng3 Bg6 7. Be2 c5 8. c3 Nc6 9. Be3 cxd4 {B12: Caro-Kann: Advance Variation} (9... Qb6 10. Qd2 cxd4 11. cxd4 Bxb1 {0-1 (11) Stojanovic,M (2278)-Pikula,D (2469) Banja Dvorovi 2017}) 10. cxd4 Bxb1 (10... Qb6 $17 11. Qb3 Bb4+ 12. Kf1 Nxd4 13. Qa4+ Kd8) 11. Rxb1 $11 Bb4+ $146 {The position is equal.} ({Predecessor:} 11... g6 12. Qb3 Qa5+ 13. Kf1 Qb6 14. Bb5 Rc8 15. Rc1 Qa5 16. a3 Be7 17. Ne2 {½-½ (47) Ellenberg,E-Bachmann,A (2300) Germany 1992}) 12. Kf1 g6 $1 13. Rc1 Qb6 14. a3 Bf8 15. b4 Bh6 16. Rc3 Bxe3 17. fxe3 Nce7 18. Kf2 Nh6 19. Qa4+ Nc6 $1 20. b5 Ne7 {[%cal Bc6e7,Be7c8,Bc8b6,Bb6c4][%mdl 32]} 21. Qb4 Qd8 22. Rhc1 {[#] Hoping for Rc7.} O-O $1 23. Bd3 (23. Rc7 $11 {remains equal.} Nef5 24. Nxf5 Nxf5 25. g3) 23... Ng4+ $17 24. Kg1 Nc8 25. Be2 Qxh4 26. Bxg4 Qxg4 27. Nf1 Nb6 28. Nh2 {[#]} Qe2 (28... Qe4 $1 $17 {aiming for ...Rac8.} 29. Nf3 Nc4) 29. Qb3 $2 (29. Nf3 $11 {and White is okay.}) 29... Rac8 $19 30. Nf1 Rxc3 31. Rxc3 Nc4 32. Qb1 Kg7 33. Ng3 Qg4 34. Nh1 f6 35. exf6+ Rxf6 {Threatens to win with ...Nd2.} 36. Qe1 Rf7 37. e4 Qf4 38. Nf2 Qf6 39. e5 Qf4 40. Rd3 Qh4 41. g3 Qg5 42. Nh3 $2 (42. Kg2) 42... Qf5 43. Nf2 Kf8 44. Qb4+ Ke8 45. Qe1 g5 46. g4 hxg4 47. Rg3 $2 (47. Qe2) 47... Kd8 48. Rxg4 Nxa3 49. Rg3 Nxb5 50. Rh3 Rf8 51. Rd3 a6 52. Qd2 Kc8 53. Rg3 Qf4 54. Qc2+ Kb8 {Black mates.} 55. Rg4 Qe3 56. Qb2 Ka8 57. Kg2 Qf3+ 58. Kg1 Nc3 59. Rg2 Ne2+ 60. Kf1 Nf4 61. Rxg5 Nd3 62. Rg8 Nxb2 {Accuracy: White = 44%, Black = 73%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "6"]
[White "Rohan, Ahuja"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2380"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,116,4,12,6,12,-15,-16,-28,12,-27,5,-31,31,-11,-5,-25,0,0,0,-1,0,-25,0,22,18,21,27,30,16,-18,-25,-28,-8,-39,-32,-56,-48,-58,-32,-66,-33,-30,0,-37,0,0,0,0,0,-220,-228,-217,-218,-223,-190,-272,-272,-278,-264,-226,-165,-134,-197,-197,-168,-178,-170,-183,-184,-264,-264,-264,-264,-264,-264,-539,-520,-29975,-1331,-826,-45,-44,-13,-57,-50,-170,-97,-56,0,-102,-112,-269,-269,-1966,-2036,-1833,0,0,0,-1982,-1981,-1842,-1914,-2045,-1835,-1597,-1373]} 1. Nf3 g6 2. g3 Bg7 3. d4 c5 4. c3 b6 5. Bg2 Bb7 6. O-O Nf6 7. Bg5 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} O-O 8. Re1 (8. d5 $5) 8... d5 9. Ne5 $146 {The position is equal.} ({Predecessor:} 9. Nbd2 Nbd7 10. Rc1 h6 11. Bxf6 Nxf6 12. Ne5 Qc7 13. e3 Rad8 14. f4 h5 15. h3 {0-1 (30) Weber,U (2399)-Epishin,V (2563) Hofheim 2015}) 9... Re8 10. Nd2 {[%cal Bb1d2,Bd2f3,Bf3d4,Bd4c2,Bc2e3][%mdl 32]} Nfd7 11. Nxd7 Qxd7 (11... Nxd7 $15 12. Nb3 cxd4 13. cxd4 Nf6) 12. Nf3 f6 13. Be3 cxd4 14. Nxd4 e5 15. Nc2 Na6 16. Qd2 g5 17. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rad8 18. a5 Nc5 19. Bxc5 bxc5 20. Ne3 e4 $36 {[%mdl 2048] Black is more active.} 21. a6 Ba8 22. g4 {[#]} h5 $1 {[%mdl 512]} 23. f3 (23. gxh5 d4) 23... hxg4 24. fxg4 Re5 (24... Bc6 {with more complications.} 25. Nf5 Bf8 26. e3 Qf7 27. Red1 Re5) 25. Nf5 Rxf5 26. gxf5 Qxf5 27. e3 Qe5 {[%mdl 1024] Black has compensation.} 28. Qe2 f5 29. Qh5 f4 30. h4 $2 (30. Ra5 $11 {and White is okay.}) 30... f3 $19 {Hoping for ...Qg3.} 31. Qxg5 Qxg5 32. hxg5 Rf8 33. Rf1 (33. Red1 $142 fxg2 34. Ra5) 33... d4 34. Kf2 fxg2+ (34... dxc3 35. Bh3 $11) 35. Kxg2 Rxf1 ({Much less strong is} 35... dxc3 36. bxc3 Bxc3 37. Rxf8+ Kxf8 38. Rc1 $17) 36. Kxf1 d3 (36... dxc3 $17 37. bxc3 Bxc3) 37. Ke1 Kf7 38. Kd2 {[#]} Kg6 $1 39. Ra5 Bf8 ({Not} 39... Kxg5 $2 40. Rxc5+ Kf6 41. Rc7 $18) 40. Rb5 (40. Ra1 {was necessary.}) 40... Bd6 41. Ra5 Bc6 ({Don't take} 41... Kxg5 42. b4 $17) 42. Kd1 Kxg5 43. b4 $2 (43. Kd2) 43... Kg4 44. bxc5 (44. b5 $19 Bc7 45. Ra4 Bxb5 46. Rxe4+ Kf5 47. Re7) 44... Bc7 (44... Bg3 $142 45. Kd2 Kf3 46. Ra1 Bf2 47. c4 Bxe3+ {[%mdl 64] Double Attack} 48. Kc3 Bxc5 49. Rc1 Ke2 50. Rb1 e3 51. Ra1 d2 52. Ra2 Ke1 53. Ra5 Bb6 54. Rg5 e2 55. c5 Ba5+ 56. Kb2 d1=Q 57. Re5 Kd2 58. Rxe2+ Qxe2 59. Ka3 Bc3 60. Kb3 Bd5+ 61. Ka4 Qxa6#) 45. Ra1 Bb5 $2 (45... Kf5 $19 {Strongly threatening ...Ke5.} 46. Kd2 Ke6) 46. Kd2 $15 Kf5 {And now ...Ke6 would win.} 47. Rb1 Bc6 {aiming for ...Ke5.} 48. Rh1 $1 Ke6 49. Rh7 Bb8 ({Better is} 49... Ba5 $1 $15 50. Rh5 Be8) 50. Rh8 (50. c4 $11) 50... Be5 51. Rh7 $2 (51. Rh5 $17 {was forced.}) 51... Kd5 $19 {...Kc4 is the strong threat.} 52. Re7 $2 (52. Rh5) 52... Bf6 53. Rf7 {[#]} Bh8 $2 ({Black should play} 53... Bd8 $1 $19 {Threatens to win with ...Kc4.} 54. Rh7 Ba5) 54. Rh7 $1 $11 {[%cal Rh7h8]} Be5 $2 {[%mdl 8192]} (54... Bf6 $11 55. Rh6 Be7 56. Rh5+ Kc4) 55. Re7 $19 {White wants to play c4+!} Bb8 {Black is clearly winning.} 56. Rh7 Kxc5 57. Rh8 Bc7 58. Rh7 Bb6 {Accuracy: White = 31%, Black = 40%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "6"]
[White "Banik, Siddharth"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2341"]
[BlackElo "2298"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,27,44,48,39,64,50,44,22,81,17,36,-18,27,12,33,0,20,-24,-26,-33]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Nc3 {B32: Sicilian: Löwenthal and Kalashnikov Variations} (6. c4 Nf6 7. Bd3 Bb4+ 8. Bd2 Ne5 9. Bxb4 Qxb4+ 10. Nc3 Nxc4 11. a3 Nxa3 12. Rxa3 O-O 13. O-O d6 {½-½ (55) Karjakin,S (2783)-Nepomniachtchi,I (2751) chess.com INT 2017}) 6... a6 7. Qe2 (7. Bf4 {is interesting.} Nf6 8. a3 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Qxd5 Be7 12. Qe4) 7... Qc7 8. f4 {White is slightly better.} d6 $146 (8... b5 $11 {remains equal.}) ({Predecessor:} 8... b5 9. g4 d6 10. Be3 Nf6 11. g5 Nd7 12. Bg2 b4 13. Nd1 a5 {0-1 (37) Anka,E (2382)-Priyadharshan,K (2425) ICC INT 2013}) 9. g3 (9. g4 $16) 9... b5 $11 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. Bg2 (10. Be3 $14) 10... Bb7 (10... b4 $5 {[%cal Rb4c3]} 11. Na4 Nf6 $14) 11. O-O Nf6 12. Bd2 Be7 13. Rae1 b4 14. Na4 {Accuracy: White =  3%, Black = 47%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "6"]
[White "Jacobson, Aaron"]
[Black "Adamson, Robby"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2318"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,164,29,28,0,0,0,0,0,0,-13,-14,-12,0,0,9,12,11,0,13,10,22,0,0,-8,0,-30,0,0,0,16,0,2,49,0,0,0,15,11,10,10,13,6,18,12,33,12,48,24,23,10,10,6,8,2,10,16,22,-7,0,-7,-11,-12,-12,-12,-12,-12,-12,-18,0,-56,-25,-76,-75,-118,-118,-143,-123,-138,0,-133,-125,-128,-115,-133,-124,-420,-395,-359,-204,-328,-310,-435,-414,-400,-368,-390,-374,-335,-183,-470,-460,-484,-440,-481,-210,-477,-460,-703,-695,-762,-598,-648,-569,-544,-527,-543,-535,-1177,-1074,-872,-813,-4362,-2627,-2060,-2100,-1529,-1316,-1547,-1529,-6445,-6402,-5434,-4618,-29980,-29981,-29981,-29982,-29982,-29983,-29979,-29980,-29977,-29975,-29988,-29985,-29986,0,-29988,-29989,-29989,-29989,-29989,-29990,-29992,-29993,-29997,-29998]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 h6 5. Bxf6 Qxf6 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3} Be7 7. e3 O-O 8. Qc2 {The position is equal.} c5 9. dxc5 Nd7 10. cxd5 {[#] Threatens to win with d6.} exd5 11. Nb3 a5 12. Bd3 $146 ({Predecessor:} 12. a4 b6 13. c6 Bb4+ {1-0 (27) Andreikin,D (2709)-Topalov,V (2785) Khanty-Mansiysk 2014}) 12... a4 13. Nbd4 Nxc5 14. O-O b6 15. Rfb1 g6 16. Bf1 Bb7 17. g3 Rac8 18. Bh3 Rcd8 19. b4 axb3 20. axb3 Bc8 21. Bg2 Bd7 22. Nd2 Qd6 23. b4 Ne6 {[%cal Bc5e6,Be6g7,Bg7f5][%mdl 32] Strongly threatening ...Nxd4.} 24. N2f3 Bf6 25. Qd3 Ng7 26. Ra7 Nf5 27. Nb5 Qc6 28. Nfd4 Qc4 29. Bf1 {Black must now prevent Qd1.} Nxd4 30. Nxd4 Bxd4 31. exd4 Qxd3 32. Bxd3 Bh3 33. Rb7 Rb8 34. Rxb8 Rxb8 $11 {[%mdl 4096] Endgame KRB-KRB} 35. f3 Ra8 36. Rb2 Ra3 37. Be2 Bf5 38. Kf2 Bd3 39. Bd1 (39. Rd2 $11 Bxe2 40. Rxe2) 39... Bc4 40. Bc2 (40. b5 $11) 40... Kf8 41. f4 Ke7 42. h4 Kf6 43. Bb1 Ke7 44. Bc2 $1 Kd6 45. Bb1 Kc6 46. Bc2 Kb5 47. h5 $2 {[%mdl 8192]} (47. Bd1 $17) 47... gxh5 $19 48. Bf5 Bb3 (48... Rb3 $142 49. Rd2 Kxb4) 49. Rb1 (49. Bc2 {might work better.} Kc4 50. Bxb3+ Rxb3 51. Re2) 49... Kxb4 50. Rh1 (50. Bd7 $142) 50... b5 51. Rxh5 Ra6 52. Bd7 Rd6 53. Be8 Rf6 (53... Kc4 $142 {And now ...b4 would win.} 54. Ke3 b4) 54. f5 $2 (54. Rh1 {keeps fighting.}) 54... Bd1 55. Rh1 Rxf5+ 56. Ke3 Rf3+ 57. Kd2 Bb3 58. Rxh6 (58. Ke2 $142 Rxg3 59. Kd2) 58... Bc4 59. Rh2 f6 60. g4 Kb3 61. Bg6 Rf4 62. Bc2+ Kb4 63. Rh6 Rxd4+ 64. Kc1 Rxg4 65. Rxf6 Rg1+ 66. Kb2 Rg2 {[#] Hoping for ...Bd3.} 67. Rf4 Kc5 68. Kc1 Rg3 69. Kb2 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 70. Rf2 Re3 71. Rf8 Re2 72. Kc1 b3 73. Bg6 Rg2 74. Bh7 Rh2 75. Bg6 Kb4 76. Re8 Rg2 77. Bh7 Rh2 78. Bg6 d4 {Black mates.} 79. Kd1 Kc3 80. Ke1 d3 81. Bxd3 Bxd3 82. Re2 Rxe2+ {Accuracy: White = 40%, Black = 63%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "6"]
[White "Mishra, Abhimanyu"]
[Black "Ezra Paul Chambers"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2232"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,24,31,11,25,18,23,26,16,18,62,70,66,52,56,79,62,52,75,85,89,77,80,54,104,102,147,153,163,163,156,123,139,133,208,202,450,141,142,125,133,120,136,136,229,120,809,812,29985,1554,29986,1523,1397,1303]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. Bg2 Qc7 9. Qe2 {B81: Sicilian Scheveningen: Keres Attack} Nc6 10. Be3 Nxd4 11. Bxd4 {White has an edge.} e5 12. Be3 Be6 13. O-O-O Rc8 14. Kb1 Be7 15. f4 exf4 16. Bxf4 {[#]} Nd7 $146 ({Predecessor:} 16... O-O) 17. Nd5 $36 {[%mdl 2048] White is really pushing.} Bxd5 18. exd5 Kf8 19. Be4 Re8 20. Qh2 $1 Ne5 21. Bxe5 $1 dxe5 22. Rhf1 Bd6 23. Qe2 Kg8 24. h4 h5 (24... Qe7 $16 {might work better.}) 25. g5 $18 g6 $2 (25... Rf8 26. Qd3 b5) 26. Rf6 $2 (26. Qd3 $1 $18 {is the precise move to win.}) 26... Rh7 $16 27. Qd3 {aiming for Bxg6!} Rg7 28. Rdf1 Re7 29. a3 Rd7 {[#]} (29... Re8 $16 30. Qf3 Rf8 31. Bxg6 {[%mdl 64] Remove Defender} Rxg6) 30. Bg2 (30. Bxg6 $1 $18 fxg6 31. Rxg6) 30... Be7 $2 {[%mdl 8192] [#]} (30... Rd8 $16 31. Qf3 Qd7) 31. Rxf7 $1 $18 {[%mdl 512]} Bd8 (31... Rxf7 32. Qxg6+) 32. Rf8+ Kh7 33. Bh3 (33. Be4 $142 Rdf7 {[#]} 34. Bxg6+ $1 {[%mdl 576] Deflection, Back Rank} Rxg6 35. R1xf7+ Qxf7 36. Rxf7+ Kh8 37. Qxg6 b6 38. Qh7#) 33... Rd6 34. Be6 {Accuracy: White = 45%, Black = 45%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "6"]
[White "Francisco, Richard"]
[Black "Arjun, Vishnuvardhan"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2231"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,79,-29,31,31,37,35,43,39,160,168,147,109,119,142,253,122,120,120,100,122,128,97,100,104,145,87,131,130,125,127,112,97,101,98,117,10,9,9,9,0,91,92,106,33,88,66,95,8,8,0,110,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Bxf6 gxf6 9. Qf3 b5 10. e5 Bb7 (10... d5 $1 $11) 11. Qh5 $14 {Black must now prevent 0-0-0. B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7} dxe5 12. Nxe6 $1 Qb6 $1 {[%cal Rb6e6]} 13. Nxf8 {White is slightly better.} Rxf8 (13... Qe3+ $14 14. Qe2 Qxf4) (13... Qe3+ 14. Qe2 Qxf4 15. Nxh7 Rxh7 16. g3 Qc4 17. Qf2 Qc6 18. Rg1 Qf3 19. Qxf3 Bxf3 {½-½ (48) Ruch,E (2499)-Dothan,Y (2501) ICCF email 2001}) 14. O-O-O $16 ({Much weaker is} 14. fxe5 $6 Qe3+ 15. Qe2 Qxe5 $14) 14... Nd7 15. fxe5 $146 ({Much worse is} 15. Qxh7 $6 O-O-O $11) ({Predecessor:} 15. Be2 Bxg2 16. Bg4 Qe3+ 17. Kb1 Rd8 18. Rhg1 b4 19. fxe5 Nxe5 {0-1 (41) Stilling,W (2335)-Engelhardt,G (2360) ICCF corr 1995}) 15... Nxe5 16. Kb1 Rc8 (16... Rh8 $16 {keeps fighting.}) 17. Qh4 ({Don't play} 17. Qxh7 $6 Rd8 $16) (17. Bd3 $18) 17... b4 18. Nd5 Bxd5 19. Rxd5 Rd8 20. Bc4 Rxd5 21. Bxd5 Ke7 22. Qxh7 (22. Re1 $142 {And now Rxe5+ would win.} Qd6 23. Bc4) 22... Qd4 23. Qe4 Qd2 24. Bb3 {Qb7+ is the strong threat.} Rd8 {( -> ...Qd1+!)} 25. a3 bxa3 26. bxa3 a5 27. a4 (27. Rf1 $16) 27... Rd4 $11 28. Qb7+ Kf8 29. Rf1 Kg7 {[#]} (29... Qc3 $11) 30. Qb6 $1 $16 {[%cal Rb6f6]} Rd6 {[#]} 31. Qf2 (31. Qc5 $1 $16) 31... Qb4 (31... Qc3 $14) 32. Qg3+ Kf8 33. Qf4 (33. Qh3 $16) 33... Qc3 $1 $11 34. Ka2 Rb6 (34... Rd2 $1 $11 {keeps the balance.}) 35. h4 ({Better is} 35. Qh6+ $16 Ke7 36. Qc1) 35... Rxb3 $1 {[%mdl 64] Remove Defender. The position is equal.} 36. cxb3 Qc2+ 37. Ka1 {Hoping for Qh6+.} Qc3+ 38. Ka2 Qc2+ 39. Ka1 {aiming for Qh6+.} Qc3+ 40. Ka2 {Accuracy: White = 47%, Black = 66%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "7"]
[White "Berczes, David"]
[Black "Rohan, Ahuja"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2461"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,40,40,39,37,39,43,10,31,-3,13,19,27,-2,20,18,67,7,11,0,0,0,10,-25,0]} 1. c4 g6 2. e4 e5 3. d4 Nf6 4. Nf3 exd4 5. e5 Ne4 6. Qxd4 {A10: English Opening: Unusual Replies for Black} Bb4+ 7. Kd1 f5 8. exf6 Nxf6 9. Bh6 Nc6 10. Qe3+ {LiveBook: 3 Games} Kf7 11. c5 {[#] Threatening mate with Bc4+.} d5 $1 {Threatens to win with ...Ng4.} 12. cxd6 cxd6 {[%cal Bc7d6,Bd6d5][%mdl 32] Strongly threatening ...Ng4.} 13. Ng5+ $146 Kg8 {aiming for ...Ng4.} 14. h3 d5 $1 15. Nd2 Qe7 (15... a6 {with more complications.} 16. Bd3 Bf8 17. Bxf8 Kxf8 18. Nb3 Kg7) 16. Qxe7 Bxe7 17. Bd3 (17. Bb5 $14) 17... Bd7 $11 18. Ngf3 Kf7 19. Ng5+ Kg8 20. Ngf3 Kf7 {Precision: White = 42%, Black = 69%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "7"]
[White "Jacobson, Brandon"]
[Black "Yoo, Christopher Woojin"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2455"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,147,37,21,46,37,41,45,39,40,43,40,54,10,46,8,15,23,18,0,0,0,0,0,22,12,19,21,39,38,26,0,30,41,41,17,45,49,55,38,57,30,30,20,31,23,42,30,37,23,56,41,59,47,62,38,70,0,45,0,146,64,69,64,108,100,129,65,127,48,87,63,93,99,97,91,73,78,150,126,126,126,126,126,126,122,126,126,121,134,119,65,127,45,52,35,35,35,35,31,107,107,147,110,149,148,145,137,642,642,626,620,613,211,630,599,564,522,564,560,553,553,516,336,479,432,146,114,29971,29971,29971,29964,29984,29985,29989,29990,29992,29993]} 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. h3 O-O 6. Be3 c5 7. Nf3 Qa5 {...Nxe4 is the strong threat. E90: King's Indian: Classical: Early deviations and 6 h3} (7... cxd4 8. Nxd4 Nc6 9. Be2 Bd7 10. O-O Nxd4 11. Bxd4 Bc6 12. Qc2 a5 13. Rad1 Nd7 14. Bxg7 Kxg7 15. Bg4 Ne5 16. c5 Nxg4 17. hxg4 Qc8 18. cxd6 Qxg4 19. dxe7 Rfe8 {1-0 (43) Cheparinov,I (2711)-Amin,B (2709) Zagreb 2018}) 8. Bd3 cxd4 9. Nxd4 Nc6 {White is slightly better.} 10. O-O Nd7 11. Be2 Nc5 12. f4 $146 ({Predecessor:} 12. Nb3 Nxb3 13. axb3 Qd8 {½-½ (31) Cvitan,O (2505)-Brodsky,M (2485) Katowice 1992}) 12... Qd8 13. Bf3 Nxd4 14. Bxd4 e5 15. fxe5 Ne6 16. Be3 Bxe5 17. Qe1 Nd4 {aiming for ...Nc2.} 18. Qd2 Nxf3+ 19. Rxf3 Be6 20. b3 Qa5 21. Bd4 (21. Rc1 {is interesting.} a6 22. a4 Qb4 23. Bd4 f6 24. Rd3) 21... a6 (21... b5 $5) 22. Bxe5 dxe5 23. Qf2 Rac8 24. Rd1 Qc5 25. Qxc5 Rxc5 26. a4 Rfc8 27. Rfd3 Kf8 28. g4 h6 29. Kf2 Ke7 30. Ke3 R8c6 31. Kd2 Rc7 32. Rf1 R7c6 33. Rf2 Rc8 34. Kd1 (34. Nd5+ $14 Bxd5 35. Rxd5) 34... R8c6 35. Kd2 Rb6 {[#]} (35... Rc8 $11) 36. Kc2 (36. Nd5+ $1 $16 Bxd5 37. exd5 (37. cxd5 Rc8 $14)) 36... Rbc6 $14 37. Kb2 Rb6 {And now ...Bxc4 would win.} 38. Ka3 Rbc6 39. Kb4 (39. Nd5+ $16 Bxd5 40. exd5 (40. cxd5 Rd6 $16)) 39... b6 (39... a5+ $1 $14 40. Ka3 Rd6 41. Nd5+ Bxd5 42. exd5 (42. cxd5 Rc1 $11) 42... f6) 40. Rfd2 (40. Nd5+ $16 Bxd5 41. exd5 a5+ 42. Kc3) 40... Rc8 41. Ka3 R8c6 42. Rf2 Rd6 43. Nd5+ Bxd5 44. exd5 $16 {[%mdl 4096] Endgame KRR-KRR} a5 ({Black should play} 44... Rc8) 45. Rdf3 f6 46. h4 Rc8 47. Kb2 Kf7 48. Re3 Re8 49. Kc3 Kg7 50. Kd3 Rd7 51. Ke4 (51. h5 $16) 51... Rd6 (51... h5 $1 $14) 52. Ref3 (52. h5 $16) 52... h5 $14 53. gxh5 Rh8 $1 54. hxg6 {Strongly threatening Rh3.} Rxh4+ 55. Ke3 Rg4 (55... Rh5 $14) 56. Rh2 $16 Rxg6 57. Rh5 Rg1 {[#]} 58. Rfh3 $1 Rd8 59. Ke4 Kg6 $2 {[%mdl 8192]} (59... Rg8 $16) 60. Rh6+ $18 Kf7 61. Rh7+ Rg7 62. Kf5 $2 (62. Rxg7+ Kxg7 63. Kf5) 62... Rd6 $2 (62... Rdg8 63. d6 e4 64. Rxg7+ (64. Kxe4 Ke6 $14) 64... Rxg7) 63. Rxg7+ Kxg7 {KR-KR} 64. Rg3+ Kf8 65. b4 axb4 66. Rb3 Ke7 67. Rxb4 Kd7 (67... Rd8 $142 68. Rxb6 Rc8 69. Re6+ (69. Rxf6 Rxc4 70. Ra6 e4 $18) 69... Kd7) 68. Rb3 Kc7 69. Rb2 Kb7 $2 {[%mdl 8192]} (69... Rd8 $16 70. Kxf6 Re8) 70. a5 $1 {[%cal Ba4a5,Ba5b6][%mdl 32] White mates.} Kc7 71. Rxb6 Rxb6 72. axb6+ Kb7 73. c5 Ka6 74. d6 {Accuracy: White = 53%, Black = 26%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "7"]
[White "Ostrovskiy, Aleksandr"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2453"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,40,9,29,0,10,0,28,27,33,20,27,0,8,-50,23,0,0,0,16,20,16]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3a2][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 {C84: Closed Ruy Lopez: Unusual White 6th moves} (8. a4 b4 9. a5 O-O 10. Be3 h6 11. Nbd2 Re8 12. c3 Bf8 13. h3 Rb8 14. Re1 bxc3 15. bxc3 d5 16. Qc2 Be6 {0-1 (50) Grischuk,A (2772)-Ding,L (2777) Riadh 2017}) 8... Na5 9. Ba2 c5 10. Nc3 Be6 11. Bg5 c4 {LiveBook: 7 Games} 12. b4 cxb3 $1 13. cxb3 b4 14. axb4 Nc6 15. d4 $146 {[#] Hoping for d5.} ({Predecessor:} 15. b5 axb5 16. Bxf6 Bxf6 {1-0 (60) Havasi,G (2372)-Kozak,A (2364) Budapest 2016}) 15... Bg4 16. Be3 O-O 17. Rc1 (17. d5 $11 Nxb4 18. Bb1) 17... Rb8 ({Black should try} 17... Bxf3 $15 18. gxf3 Nxb4) 18. b5 axb5 {The position is equal.} 19. Ne2 Qd7 (19... Bxf3 $5 20. gxf3 Nxd4 21. Nxd4 exd4 22. Bxd4 (22. Qxd4 Qd7 $11) 22... Nh5 $11) 20. d5 Nb4 {Accuracy: White = 35%, Black = 32%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "7"]
[White "Korley, Kassa"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2437"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,70,38,60,27,54,23,37,5,10,-6,29,0,23,-8,-10,-9,-6,-6,22,18,28,22,10,16,74,0,0,0,3,5,9,-2,0,7,80,68,88,77,70,-7,15,0,0,0,8,0,0,0,8,-10,-23,-58,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c5 7. Be3 Nc6 8. Qd2 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6)} (8. d5 Ne5 9. Ng3 h5 10. Be2 h4 11. Nf1 e6 12. Bg5 h3 13. Ne3 hxg2 14. Nxg2 exd5 15. Nxd5 Be6 16. Ngf4 Re8 17. h4 Ned7 {1-0 (37) Matlakov,M (2730)-Can,E (2604) Heraklio 2017}) 8... Nd7 9. O-O-O a6 10. dxc5 {White is slightly better.} Nxc5 $146 ({Predecessor:} 10... dxc5 11. Bh6 b5 12. Bxg7 Kxg7 13. h4 b4 14. Nd5 e6 {0-1 (25) Mladenovic,A (1745)-Starcevic,G (2200) Belgrade 2010}) 11. Nd4 {And now Nxc6 would win.} Bd7 12. Nxc6 Bxc6 13. Bd4 Bxd4 14. Qxd4 {[#]} b5 $1 {[%mdl 512]} 15. h4 $1 (15. cxb5 axb5) 15... Qa5 {Threatening ...b4.} 16. Kb1 Rfb8 17. Nd5 Rb7 18. h5 $36 {[%mdl 2048] Black must now prevent b4. White fights for an advantage.} Ne6 (18... g5 $1 $11 {remains equal.}) 19. Qd2 (19. Qe3 $16) 19... Qxd2 $11 20. Rxd2 b4 21. hxg6 fxg6 22. g3 Rf8 23. Bg2 $1 g5 (23... Nc5 $11 {keeps the balance.}) 24. e5 dxe5 {[#]} 25. Re1 $1 Ng7 26. f4 ({White should play} 26. Rxe5 $14 e6 27. Ne3) 26... gxf4 27. gxf4 e6 28. Nf6+ {[%mdl 64] Discovered Attack} Rxf6 29. Bxc6 Rc7 30. fxe5 Rf8 31. Ba4 Rxc4 32. Bb3 Rc5 (32... Rcf4 $1 $15) 33. Rd7 {Strongly threatening Rg1.The position is equal.} Rf7 34. Rd8+ Rf8 35. Rd7 {aiming for Rg1.} Rf7 {Accuracy: White = 46%, Black = 42%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "7"]
[White "Gauri, Shankar"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2378"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,41,0,-8,8,0,0,0,0,0,0,0,0,0,7,7]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 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 14. Ne2 {D14: Slav Defence: Exchange variation with ...Bf5} (14. Nd2 Nd7 15. Ne2 Rc7 16. a3 Rac8 17. Rc3 Ne7 18. Rac1 Rxc3 19. Rxc3 Rxc3 20. Qxc3 Qc6 21. Kf1 Kf8 22. Qxc6 Nxc6 23. Nc3 Ke7 24. Ke2 a6 25. Kd3 Kd6 26. f4 f5 27. Ne2 Nf6 {½-½ (27) Li,C (2720)-Bu,X (2705) Doha 2016}) 14... Ne7 15. a3 {LiveBook: 3 Games. The position is equal.} Nd7 $146 ({Predecessor:} 15... Rxc1+ 16. Rxc1 Rc8 17. Rxc8+ Nxc8 18. Qc2 Ne7 19. Ne5 a6 20. Nd3 Nd7 21. Qb3 Qc6 {½-½ (30) Nguyen,V (2445)-Dao,T (2482) Hanoi 2014}) 16. Rxc8+ Rxc8 17. Rc1 Rc6 18. Rxc6 Qxc6 19. Qc3 Qxc3 20. Nxc3 Nc6 21. Kf1 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "7"]
[White "Ezra Paul Chambers"]
[Black "Jacobson, Aaron"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "2334"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,107,4,14,7,1,0,10,0,-16,-71,-81,-191,-52,-58,-19,-18,-21,-57,-52,-57,-64,-70,-63,-58,-27,-47,-20,-28,-27,-76,-47,-81,-66,-72,-24,-46,0,-56,-23,-18,-25,-53,-52,-52,-35,-52,-52,-71,-52,-72,-52,-72,-72,-80,-80,-80,-80,-80,-80,-80,-80,-97,-80,-80,-80,-111,-111,-108,-96,-122,-122,-122,-122,-122,-122,-122,-122,-122,-122,-29970,-29971,-29975,-29972,-29978]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. Qc2 c5 9. dxc5 Qa5 10. cxd5 exd5 11. Be2 Qxc5 12. O-O Nc6 13. Rac1 Qa5 14. Rfd1 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6} (14. Qb3 Ne7 15. Rfd1 Be6 16. Nd4 Bxd4 17. Rxd4 Nc6 18. Ra4 Qc5 19. Qb5 Qxb5 20. Bxb5 Rfc8 21. Bxc6 bxc6 {½-½ (45) Xu,Y (2523)-Andreikin,D (2736) China 2016}) 14... Be6 15. a3 a6 $146 ({Predecessor:} 15... Rac8 16. Nd4 Nxd4 17. exd4 b5 18. Qd2 Bd8 19. Ra1 a6 20. Bf3 Bg5 21. Qd3 Rfd8 22. g3 Rc4 {½-½ (22) Diaz,H-Santivanez Montes,M Peru 2000}) 16. Na4 {The position is equal.} Rac8 17. b4 (17. Nc5 $11) 17... Nxb4 $1 $17 18. Qb3 {[#]} (18. axb4 $17 Qxb4 19. Nc5) 18... Nc6 (18... Na2 $1 $19 {[%cal Ra2c1][%mdl 512]} 19. Qxa2 Qxa4) 19. Nc5 Nd8 (19... b5 {looks sharper.} 20. Bd3 Qb6 21. Nxe6 fxe6 22. e4 Nd4) 20. Nxe6 Rxc1 21. Nxf8 Rxd1+ 22. Bxd1 Kxf8 23. a4 Qc5 24. g3 b5 25. Be2 {[%cal Ra4b5]} bxa4 26. Qxa4 a5 27. Bb5 Qb6 28. Kf1 Ne6 29. Be2 $1 Bc3 30. Qd7 {Black must now prevent Qc8+.} Qc5 31. Bb5 ({White should play} 31. Nh4 $11) 31... g6 32. Bc6 d4 33. exd4 Nxd4 34. Nxd4 Qxd4 35. Qxd4 Bxd4 $11 {[%mdl 4096] Endgame KB-KB} 36. Ke2 Ke7 37. f3 f6 38. Kd3 Bg1 39. h3 Bh2 40. g4 Kd6 41. Be8 g5 $1 42. Kc4 Bg3 43. Bb5 Be1 44. Kd4 Bf2+ 45. Kc4 Ke5 46. Bc6 Kf4 47. Be4 Kg3 48. Kb5 {[#]} Be1 $1 49. Ka4 Kxh3 50. Bg6 Kg3 51. Be4 Kf4 {Threatens to win with ...f5!} 52. Kb5 $2 {[%mdl 8192] [#]} (52. Bc6 $17) 52... f5 $1 53. Bxf5 {[#]} h5 $1 {[%cal Rh5h4]} 54. gxh5 {Accuracy: White = 26%, Black = 61%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2018.02.24"]
[Round "7"]
[White "Martin Del Campo C., Roberto"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2298"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,42,0,5,4,2,0,2,0,0,0,3,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfc1 Rfc8 {The position is equal.} 13. Qd1 {D14: Slav Defence: Exchange variation with ...Bf5} Qd8 14. Ne2 Ne7 15. Rxc8 Rxc8 16. Rc1 Rxc1 17. Qxc1 Qc8 18. Qxc8+ Nxc8 {[#]} 19. Nc3 $146 Nd6 20. Kf1 Kf8 21. Ke2 Ke7 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "7"]
[White "Yanayt, Eugene"]
[Black "Francisco, Richard"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2287"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,105,22,19,29,25,27,31,34,18,51,43,66,62,73,68,94,80,71,68,60,0,4,0,133,128,127,27,37,-12,-3,-16,0,0,0,-345,0,0,0,0,479,-10,54,60,54,8,29,20,51,47,33,33,208,210,225,222,203,208,204,194,763,785,781,772,756,755,639,643,625,550,1046,1121,2114,1959,2125,1765,2210,1757,2232,2139,29977,29978,29977,5085,29983,29984,29988,29989,29989,29973,29972,12812,29993,29994,29994,29995,29996,29997]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 c6 {E11: Bogo-Indian} 7. Bg2 Nbd7 8. O-O b6 {White is slightly better.} (8... O-O 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 b6 12. cxd5 cxd5 13. Na3 Ba6 14. Nc2 {0-1 (56) Andreikin,D (2725)-Jobava,B (2629) chess.com INT 2019}) 9. Rc1 Ba6 10. Ne5 Nxe5 11. dxe5 Nd7 12. f4 O-O 13. cxd5 cxd5 14. Nc3 $146 b5 15. e4 ({White should try} 15. e3 $14) 15... Qb6+ $11 16. Kh1 b4 {[#]} (16... d4 $1 $11 {remains equal.} 17. Ne2 Rfd8) 17. Na4 $1 $16 {[%cal Ra4b6]} Qb5 18. b3 (18. exd5 $16 Rac8 19. dxe6 fxe6 20. b3) 18... dxe4 $11 19. Rc7 Nb6 20. Bxe4 Rad8 21. Qc2 Rc8 {White must now prevent ...Rxc7.} 22. Bxh7+ Kh8 23. Be4 {aiming for Qd1.} Nxa4 24. bxa4 $40 {[%mdl 128] Black needs to defend precisely.} Rxc7 $4 {[%mdl 8192]} (24... Qb6 $1 $11 {and Black stays safe.} 25. Rxc8 Rxc8) 25. Qxc7 $2 ({And not} 25. axb5 Rxc2 26. Bxc2 Bxb5 $11) (25. Qg2 $18 {Threatening mate with Qh3+.} Qf1+ 26. Rxf1 Bxf1 27. Qxf1) 25... Qc4 ({Black should play} 25... Qxa4 $11 26. Qd6 Kg8) 26. Qxc4 $14 Bxc4 {[%mdl 4096] Endgame KRB-KRB} 27. Bc2 Rc8 28. Bb3 g5 29. fxg5 Kg7 30. Kg2 a5 $2 {[#]} (30... Bxb3 $1 $14 31. axb3 Rc2+ 32. Kh3 Rb2) 31. h4 $1 $18 Bxb3 32. axb3 {KR-KR} Rc3 33. Rb1 Kg6 34. Kh3 Kh5 $2 (34... Re3 35. Kg4 Re4+ 36. Kf3 Rxe5) 35. Rf1 Kg6 36. Rf6+ Kg7 37. h5 Rxb3 38. g6 fxg6 39. Rxg6+ Kh7 40. Rxe6 Re3 41. Rb6 Rxe5 42. Kh4 Rc5 43. Rb7+ Kg8 44. g4 Rc4 45. h6 b3 46. Rxb3 Rxa4 47. Rb8+ Kh7 48. Kh5 Rb4 49. Ra8 Rb5+ 50. g5 {Ra7+ would kill now.} Rc5 51. Ra7+ {White mates.} Kh8 52. h7 a4 53. Kh6 {Accuracy: White = 77%, Black = 31%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "7"]
[White "Arjun, Vishnuvardhan"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2262"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,0,0,0,9,0,18,19,11,-9,47,58,43,41,61,62,51,52,46,38,43,39,22,20,43,18,35,33,43,12,8,0,0,0,0,-65,-56,-50,-51,-50,-58,-68,-59,-72,0,0,0,0,0,0]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 (4... e6 5. Nge2 Ne7 6. Nxd4 cxd4 7. Ne2 Nc6 8. O-O a6 9. d3 d5 10. exd5 exd5 11. Bb3 Bd6 12. Nf4 Bxf4 13. Bxf4 O-O 14. Qf3 Be6 15. Rfe1 {1-0 (58) Cornette,M (2611)-Lenic,L (2662) chess.com INT 2018}) 5. a4 e6 6. Nge2 {B23: Closed Sicilian: Lines without g3} Nf6 7. O-O Qc7 8. d3 Be7 9. Ba2 d6 ({Black should try} 9... Nc6 $1 $11) 10. Nxd4 $14 cxd4 11. Ne2 e5 12. c3 $146 ({Predecessor:} 12. f4 Bd7 13. Bb3 {1-0 (54) Hunt,H (2439)-Olejarczyk,B (2222) Warsaw 2006}) 12... dxc3 13. bxc3 O-O 14. Be3 Be6 15. Bxe6 fxe6 16. Qb3 Qd7 17. f4 Kh8 18. h3 Rac8 19. Ng3 exf4 20. Rxf4 e5 21. Rf5 d5 22. Rxe5 ({White should play} 22. Rd1 $11) 22... Bd6 $15 23. Rxd5 $1 {And now Rd4 would win.} Qe6 {[%mdl 64] [#] Pin} 24. Nf5 Nxd5 25. Nxd6 Qxd6 26. exd5 {[#]} Rce8 (26... Rf5 $1 $17) 27. Bd4 $11 {The position is equal.} Rf7 28. c4 $1 Qg3 {( -> ...Re2)} 29. Qd1 $1 {Accuracy: White = 70%, Black = 58%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.21"]
[Round "7"]
[White "Adamson, Robby"]
[Black "Banik, Siddharth"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2216"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,92,33,44,25,53,17,29,13,14,14,26,6,9,-25,-9,-29,-22,-62,-48,-214,-196,-254,-256,-247,-256,-238,-244,-402,-419,-534,-572,-553,-501,-626,-614,-585,-586,-585,-579,-658,-648,-650,-381,-384,-391,-391,-391,-370,-377,-384,-383,-356,-350,-402,-409,-475,-481,-602,-600,-748,-737,-708,-707,-3240,-2159,-29969,-2017,-29980,-29981,-29981,-29982,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O O-O 6. c3 d5 7. exd5 Nxd5 8. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} a6 9. Nbd2 Kh8 10. Re1 {White has an edge.} f6 11. a5 $146 ({Predecessor:} 11. d4 Ba7 12. dxe5 Nxe5 13. Nxe5 fxe5 {½-½ (44) Kramnik,V (2808)-Karjakin,S (2781) Stavanger 2017}) 11... Be6 {[#]} 12. d4 $1 {[%mdl 512]} Ba7 (12... exd4 13. Rxe6) 13. Ba2 Bg4 {[%cal Re5d4]} ({Don't play} 13... Nxa5 $6 14. dxe5 Nc6 15. exf6 $16) 14. Qb3 Nf4 {[%cal Re5d4]} 15. Qxb7 Qd7 $1 {[%cal Re5d4]} 16. Qxa6 $2 (16. Re4 $15) 16... Bxd4 17. Qf1 {[#]} (17. Qb5 $142 Rxa5 18. Be6 Rxb5 19. Bxd7 Bxf2+ 20. Kxf2 Bxd7 21. Kg1) 17... Nh3+ $1 $19 {[%mdl 512]} 18. Kh1 ({Much worse is} 18. gxh3 Bxh3 19. Qxh3 Qxh3 $19) 18... Nxf2+ 19. Kg1 Ba7 20. Re2 $2 (20. Bc4) 20... e4 21. Rxf2 exf3 22. Nxf3 Bxf2+ 23. Kxf2 Bxf3 24. gxf3 Rxa5 25. b4 Raa8 26. Be3 Ne5 27. Kg2 Qf5 28. Bb1 Rxa1 29. Bxf5 Rxf1 30. Kxf1 Nxf3 {[%mdl 4096] Endgame KRN-KB} 31. Kf2 Ne5 32. Bd4 g6 33. Bh3 Kg7 34. Ke3 Ra8 35. Ke4 Ra2 36. Kd5 c6+ 37. Kc5 Rxh2 38. Bxe5 fxe5 {KR-KB} 39. Bd7 Rc2 (39... e4 $142 40. Kc4 Rd2 41. Bg4 h5 42. Bh3 e3 43. Bf1 h4 44. Kc5 e2 45. Bxe2 Rxe2 46. Kc4 h3 47. Kd3 Re8 48. b5 h2 49. Kc4 h1=Q 50. Kb4 Qb1+ 51. Kc5 Qxb5+ 52. Kd6 Qd5+ 53. Kc7 Re7+ 54. Kc8 Qg8#) 40. c4 e4 {Black mates.} 41. Bxc6 e3 42. Bf3 e2 43. Bxe2 Rxe2 44. b5 h5 45. b6 h4 46. b7 Rb2 {[%mdl 32768] Accuracy: White = 24%, Black = 79%. . Loss on time!?} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Stremavicius, Titas"]
[Black "Francisco, Richard"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2472"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,49,-2,-6,-32,-13,-9,-1,0,31,43,29,20,22,0,39,13,56,56,54,53,39,-82,-72,-89,-89,-66,186,179,185,133,237,241,239,217,309,302]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. Bg5 Be6 8. Bxf6 exf6 9. h3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Bg7 10. c5 O-O 11. Bb5 {The position is equal.} Ne7 12. a3 $146 ({Predecessor:} 12. O-O f5 13. Re1 h6 14. Qd2 a6 15. Ba4 b5 16. cxb6 Qxb6 17. Bb3 {½-½ (42) Vachier Lagrave,M (2710)-Bologan,V (2665) Melilla 2011}) 12... g5 13. Qd2 Ng6 14. h4 {[%cal Rh4g5]} Bg4 15. Nh2 Bf5 16. h5 Nf4 17. g3 $1 $36 {[%cal Rg3f4][%mdl 2048] White has some pressure.} Qe7+ (17... Nxh5 $2 18. g4 $18) 18. Kd1 {[#]} (18. Kf1 $14 {stays ahead.} a6 19. Re1) 18... Ne6 $1 $17 (18... Nxh5 $2 19. g4 $18) 19. g4 Be4 $1 {[%cal Re4h1]} 20. f3 {[%mdl 64] h6 is the strong threat. Trapped Piece} Nxd4 $2 {[%mdl 8192]} (20... Rfd8 $1 $15 21. h6 (21. fxe4 dxe4 22. d5 Qxc5 $14) 21... Bxh6) 21. Qxd4 $18 {[%mdl 64] Double Attack, Trapped Piece} f5 {[#]} 22. Qf2 ({Don't go for} 22. Nxd5 $2 Bxd5 23. Qf2 Rac8 $19) ({White should play} 22. Qb4 $1 $18) 22... d4 (22... Rac8 $16 {might work better.}) 23. Nxe4 fxe4 24. fxe4 Qxe4 (24... d3 $142 25. h6 (25. Bxd3 Rfd8 $15) 25... Bf6) 25. Qf3 {Accuracy: White = 59%, Black = 41%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Patel, Advait"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2470"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,30,-9,36,35,46,38,38,29,36,17,26,6,-2,28,16,4,12,-77,-14,-10,0,0,0,-29,62,53,52,-34,-41,-171,-160,-205,-186,-197,-114,-111,-116,-141,-141,-139,-139,-189,-173,-245,-204,-204,-170,-251,-265,-295,-239,-393,-381,-453,-429,-570,-519,-589,-589,-579,-607,-595,-545,-519,-507,-785,-774,-755,-650,-1659,-1615]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. c4 g6 5. Nc3 Bg7 6. a3 Nge7 7. b4 cxb4 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (7... d5 8. cxd5 Nxd5 9. Ng5 Nc7 10. d3 cxb4 11. axb4 e4 12. Ngxe4 f5 13. Bg5 Bxc3+ 14. Kf1 Qd4 15. Nxc3 Qxc3 {½-½ (58) Gelfand,B (2733)-Grischuk,A (2747) Kazan 2011}) 8. axb4 Nxb4 9. Ba3 Nec6 {White is slightly better.} 10. O-O a5 $146 ({Predecessor:} 10... O-O 11. Rb1 a5 12. d3 d6 13. Nd2 f5 14. Nd5 Nxd5 15. Bxd5+ {1-0 (43) Soppe,G (2408)-De Leo,A Olavarria 2006}) 11. Nd5 {aiming for Bxb4.} Ra6 12. Rb1 Nxd5 13. cxd5 Na7 14. d4 e4 15. Nh4 (15. Ne5 $11 {keeps the balance.}) 15... b5 (15... f5 $17) 16. Bxe4 $11 b4 17. Bb2 O-O 18. Ra1 Re8 (18... Qb6 $11) 19. Bd3 $14 Rd6 20. Qb3 ({Better is} 20. e4 $14) 20... Ba6 $36 {[%mdl 2048] Black has the initiative.} 21. Bxa6 (21. e4 $15) 21... Rxa6 $19 22. e3 Qb6 23. Rfc1 d6 (23... Rc8 $19 24. Rxc8+ Nxc8) 24. Nf3 Rb8 25. Nd2 Qb5 $1 26. Ra4 {[#]} Nc8 $1 {[%cal Rc8b6] Hoping for ...Nb6.} 27. Qc4 {[#]} Qb7 $1 {And now ...Nb6 would win.} ({Inferior is} 27... Qxa4 28. Qxa6 Nb6 29. Qa7 $14) 28. Ra2 (28. Qa2 $142 Rba8 29. Qc4) 28... a4 29. Rb1 f5 30. Bc3 (30. Bc1 {was necessary.} Ra5 31. e4) 30... Rb6 31. Ba1 Qd7 32. f3 $2 (32. Rab2 b3 33. Nxb3) 32... Bh6 33. Kf2 Ne7 {Black is clearly winning.} 34. e4 b3 35. Rab2 fxe4 36. Nxe4 {Nf6+ is the strong threat.} Bg7 37. Re2 Rb4 38. Qa6 Nxd5 39. Qa5 (39. Bb2 $142 Bxd4+ 40. Kg2) 39... Qc6 40. Rc1 Qb5 41. Qa7 b2 {Accuracy: White = 24%, Black = 70%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Arribas Lopez, Angel"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2443"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,40,0,0,0,0,0,0,0,-11,-5,0,-20,0,-4,0,0,3]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 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. Ne2 {D14: Slav Defence: Exchange variation with ...Bf5} (14. Nd2 Nd7 15. Ne2 Ne7 {½-½ (15) Bu,X (2725)-Duda,J (2724) Liaocheng 2018}) 14... Ne7 15. Rxc8+ Rxc8 16. Rc1 Rxc1+ 17. Nxc1 Nc6 18. Ne2 Ne4 19. a3 $146 ({Predecessor:} 19. Qb3 Qc7 20. Qc2 Qb6 21. Nc3 Nxc3 22. Qxc3 Qb4 23. Qc2 Qb6 24. Qc3 Qb4 25. Qc2 Qb6 26. Qc3 {½-½ (26) Dao,T (2493)-Moradiabadi,E (2549) Jakarta 2011}) 19... a6 20. Nc3 Nxc3 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Yoo, Christopher Woojin"]
[Black "Berczes, David"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2426"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,104,33,25,6,12,6,12,6,19,25,36,43,51,12,14,-62,-56,-74,-66,-59,-14,-33,-22,-13,0,-31,-18,-37,-29,-78,-71,-102,0,-10,0,-22,0,0,0,-62,-35,-81,-72,-68,-58,-49,-33,-12,-33,-31,-54,-114,-114,-128,-114,-133,-114,-222,-215,-291,-268,-354,-318,-348,-289,-601,-592,-738,-775,-678,-677,-699,-743,-708,-599,-689,-451,-1987,-1771,-2433,-4223,-4702,-4674,-1678,-1712,-5169,-5281,-5632,-5596,-5189,-4498]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. a4 b4 9. Nbd2 {C84: Closed Ruy Lopez: Unusual White 6th moves} Bc5 10. Nc4 d6 11. Be3 {The position is equal.} Ba7 $146 ({Predecessor:} 11... Bxe3 12. Nxe3 Na5 13. Nd2 Nxb3 14. Nxb3 Be6 15. Nd2 c6 16. b3 d5 {½-½ (67) Jakovenko,D (2734)-Karjakin,S (2786) Loo 2013}) 12. Bxa7 Rxa7 13. d4 {[%cal Rd4e5]} Nxe4 14. Re1 Ng5 $1 15. dxe5 (15. Nxg5 $1 $11 Qxg5 16. dxe5) 15... Bg4 $15 16. exd6 Bxf3 17. gxf3 cxd6 {aiming for ...d5.} ({Much worse is} 17... Nh3+ $6 18. Kg2 $16) (17... Qf6 $5 {[%cal Rg5f3]} 18. Re3 Nd4 $15) 18. f4 $1 {[%cal Rf4g5]} Nh3+ {[%mdl 64] Double Attack} 19. Kf1 $1 {Hoping for Qg4.} d5 {Threatens to win with ...Qh4.} 20. Ne3 {Black must now prevent Qf3.} Nxf4 21. Qg4 Qf6 22. Nf5 Ng6 $36 {[%mdl 2048] Black has strong initiative.} 23. Bxd5 {[#]} Nce7 (23... Nce5 $1 $17 {[%cal Re5g4]} 24. Qe4 Rd7) 24. Nxe7+ $1 $11 Nxe7 25. Bb3 $1 a5 26. Rad1 Nf5 27. Rd3 ({White should try} 27. Rd5 $11 Ne7 28. Rd3) 27... g6 $15 28. c3 bxc3 29. Rxc3 Rb7 30. Qf3 Re7 31. Rxe7 Qxe7 32. Bc2 Nd4 33. Qe3 ({Better is} 33. Qe4 $15 Qf6 34. Bd1) 33... Qxe3 $17 34. fxe3 Nxc2 35. Rxc2 {[%mdl 4096] Endgame KR-KR} Rb8 36. h4 {[#]} (36. Kf2 $17) 36... h5 $1 $19 37. Rc5 {intending Rb5.} Rxb2 38. Rxa5 Rb4 39. Ra8+ Kg7 40. a5 $2 (40. Ke2) 40... Rxh4 {Black is clearly winning.} 41. Rc8 Ra4 42. Rc5 Ra2 43. e4 Kf6 44. Rd5 Ke6 45. Rb5 f6 46. Rb6+ (46. Rb8 $142 Rxa5 47. Rh8) 46... Ke5 47. Rb5+ Kxe4 48. Rb4+ Kf5 49. Rb5+ Kg4 50. Rb4+ Kg5 51. Rb5+ f5 52. Rc5 h4 {Accuracy: White = 30%, Black = 81%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Rohan, Ahuja"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2380"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,32,-7,-12,-12,-22,-27,-29,0,-6,66,87,84,91,98,89,96,91,119]} 1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. d3 Ngf6 5. O-O Bd6 6. Nbd2 O-O 7. e4 c6 8. Re1 Re8 9. b3 a5 {B10: Caro-Kann: 2 d3 and 2 c4} 10. a3 d4 (10... b5 11. Bb2 Bb7 12. Qe2 d4 13. Nh4 a4 14. h3 axb3 15. cxb3 g6 16. Rf1 Nh5 17. Nf5 {0-1 (43) Andriasian,Z (2591)-Vidit,S (2718) chess.com INT 2018}) 11. Bb2 a4 {Black has an edge.} 12. b4 b6 $146 (12... b5 $11) ({Predecessor:} 12... b5 13. c4 dxc3 14. Bxc3 c5 15. Qb1 Qb6 16. Qb2 Bb7 17. Nf1 cxb4 18. axb4 {0-1 (69) Kadric,D (2594)-Balakrishnan,P (2458) Arlington 2016}) 13. c3 $1 $14 c5 {White is better.} 14. cxd4 cxd4 {[#]} 15. Bxd4 $1 {[%mdl 512]} exd4 16. e5 $1 {[%mdl 64] Double Attack} Be7 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Gauri, Shankar"]
[Black "Korley, Kassa"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "2378"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,107,28,44,37,35,29,46,38,75,48,54,30,63,65,70,37,37,34,43,27,33,1,15,6,8,11,37,40,39,26,79,79,82,91,79,79,94,48,55,29,33,26,50,52,120,114,190,178,197,171,167,0,0,0,0,0,0,0,230,235,233,204,235,254,240,227,250,251,239,236,201,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. c4 e6 3. g3 c6 4. Bg2 Nf6 5. d4 Nbd7 6. O-O Be7 7. Qc2 O-O 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 12. Re1 Rc8 13. Qd1 {E09: Closed Catalan: Main Line: 7 Qc2 c6 8 Nbd2} Ba6 (13... Qc7 14. Nb1 b5 15. Bf1 b4 16. Bd3 h6 17. Bf4 Qb6 18. Nbd2 Ba6 19. Bc2 f5 20. exf6 Rxf6 {1-0 (32) Gelfand,B (2729)-Stupak,K (2573) Tbilisi 2017}) 14. Nf1 Nc7 15. h4 {[#] White is slightly better.} Re8 $146 ({Predecessor:} 15... h6 16. h5 Nb8 17. Ne3 Nc6 18. Ng4 Re8 19. Bxh6 gxh6 {1-0 (44) Filippov,V (2621)-Frolyanov,D (2505) Sochi 2005}) 16. Bg5 h6 17. Bf4 Bb4 18. Re3 Nf8 19. h5 Nh7 20. Qa4 Bf8 21. Rc1 b5 22. Qd1 Na8 23. Rxc8 Qxc8 24. Rc3 Qd8 25. N1d2 {[%cal Bf1d2,Bd2b3,Bb3c5][%mdl 32]} b4 26. Rc1 Qa5 (26... Nb6 $11 {remains equal.}) 27. Nb3 $1 $16 {[%cal Rb3a5]} Qa4 28. Nc5 $36 {[%mdl 2048] Keeping Black busy.} Qxd1+ 29. Rxd1 Be2 30. Rc1 Rc8 31. Ne1 Bxh5 32. Ned3 a5 33. Nb7 Rc4 ({Better is} 33... Rxc1+ $14 34. Bxc1 a4) 34. Nxa5 Rxd4 (34... Rxc1+ $16 {was worth a try.} 35. Bxc1 Bg6) 35. Bf1 $1 $18 Re4 36. Be3 $1 Ng5 {[#]} 37. Rc8 $2 (37. Ba7 $1 $18) 37... Nf3+ $11 {[%mdl 64] Double Attack} 38. Kg2 $1 {And now Bc5 would win.} d4 39. Rxa8 {Hoping for Bc1.} dxe3 40. fxe3 Nxe5 $2 (40... Nd2 $11 {and Black is okay.} 41. Kf2 Nxf1 42. Kxf1 Rxe3) 41. Nxe5 $18 Rxe5 42. Nc6 $1 {[%csl LRb4,LRe5]} Rc5 43. Ne7+ $1 Kh7 44. Bd3+ ({Resist} 44. Rxf8 $6 Rc2+ 45. Kg1 Rc7 $16) 44... f5 45. Rxf8 Rc7 46. Nc8 Rd7 {[#]} 47. Bc4 $2 (47. Rxf5 $1 $18 {[%mdl 512]} Rxd3 (47... exf5 48. Bxf5+) 48. Rxh5) 47... Rd2+ $11 {The position is equal.} 48. Kg1 {Threatens to win with g4.} Rd1+ 49. Kf2 {Black must now prevent g4.} Rd2+ 50. Kg1 {aiming for g4.} Rd1+ 51. Kf2 {g4 is the strong threat.} Rd2+ 52. Ke1 Rd1+ $1 53. Kf2 {Strongly threatening g4.} Rd2+ 54. Kg1 {Accuracy: White = 73%, Black = 59%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Jacobson, Aaron"]
[Black "Arjun, Vishnuvardhan"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2318"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,77,141,119,108,120,133,142,118,132,127,125,121,138,133,142,146,248,174,307,324,293,312,318,281,385,316,416,386,501,419,510,509,502,502,493,473,530,528,531,527,527,524,539,541,532,509,560,555,572,553,690,671,913,798,6769,11183,29978,29966]} 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 Bf5 8. Ne5 e6 9. g4 {B17: Caro-Kann: Modern Line (4...Nd7)} (9. Qb3 Qc7 10. Be2 Bd6 11. Nf3 {½-½ (11) Kokarev,D (2595)-Artemiev,V (2703) Cheliabinsk 2018}) 9... Bg6 10. h4 Bd6 11. Qe2 c5 {LiveBook: 3 Games} 12. dxc5 Bxe5 13. Qxe5 O-O 14. Be2 $146 ({Predecessor:} 14. f3 Nd7 15. Qd6 Rc8 16. h5 Bc2 {1-0 (34) Thipsay,P (2435)-Ravi,L (2415) India 1990}) 14... Bd3 15. Bf3 Ba6 16. g5 Nd7 17. Qd6 Rc8 18. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} b6 (18... Qe8 $16) 19. a4 $36 {[%mdl 2048] Strongly threatening c6. Keeping Black busy.} Bc4 (19... bxc5 $142 20. b5 (20. Qxa6 cxb4 21. Qxa7 Ne5 $16) 20... Qa5) 20. c6 $18 Nb8 21. Qxd8 Rfxd8 22. b5 a6 23. Be2 Bd3 24. Be3 axb5 25. axb5 Be4 26. f3 Bxc6 27. bxc6 Rxc6 28. c4 Rdc8 29. Ra8 Nd7 30. Rxc8+ Rxc8 31. Kf2 Kf8 32. Ra1 Ke7 33. Ra6 Rc6 34. f4 {[%cal Bf3f4,Bf4g5][%mdl 32]} f6 35. Ra7 fxg5 36. fxg5 g6 37. Bd1 Kd8 38. Ba4 Rc7 39. Rxc7 {Precision: White = 93%, Black = 14%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Martin Del Campo C., Roberto"]
[Black "Adamson, Robby"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2298"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,24,14,20,10,6]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 O-O 10. O-O Be7 11. Qe2 Nf6 12. Be3 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} (12. Ne4 Qb6 13. Be3 Nd5 14. Rac1 Rd8 15. a3 {½-½ (15) Motylev,A (2658)-Jakovenko,D (2724) Poikovsky 2012}) 12... Nb4 {Predecessor:} 13. Bc4 $146 b6 14. Ne5 Bb7 15. Rfe1 Rc8 16. Bb3 Nbd5 17. Bd2 Nxc3 18. bxc3 Ne4 19. Bc2 Nxd2 20. Qxd2 {0-1 (57) Vajda,L (2582)-Arutinian,D (2584) Dresden 2008} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "8"]
[White "Mishra, Abhimanyu"]
[Black "Yanayt, Eugene"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2232"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,74,41,31,25,31,0,4,0,0,-8,-17,-63,-52,-89,-83,-123,-127,-125,-102,-144,-64,-103,-113,-279,-276,-272,-264,-259,-243,-252,-207,-541,-599,-604,-571,-496,-435,-446,-117,-652,-19,-758,-754,-779,-758,-29988,-29989,-29991,-29991,-29996,-29997]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Kb1 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} a5 (14... Rb8 15. Ne4 Qc7 16. Bc5 Rfd8 17. g4 h6 18. Bb3 a5 19. Rg1 Rd7 20. h4 Rbd8 21. a4 Nf4 22. Rxd7 Rxd7 23. Bxe6 Nxe6 {½-½ (32) Anand,V (2776)-Nakamura,H (2787) Moscow 2018}) 15. Ne4 f5 $146 ({Predecessor:} 15... Re8 16. g4 Rb8 17. Bc5 a4 18. g5 Qd7 19. Ba3 Qa7 20. Bxd5 cxd5 21. Nf6+ Bxf6 22. gxf6 {0-1 (40) Fier,A (2583)-Beradze,I (2452) Tbilisi 2017}) 16. Ng5 {The position is equal.} Bc8 17. h4 h6 18. Nh3 Be6 19. Bc5 Re8 $1 20. h5 g5 $1 21. Nf2 Qc7 22. Ka1 {[#]} Kh8 ({Black should try} 22... Qf7 $1 $17 {White must now prevent ...Nb4.} 23. Qd2 Nf4 24. Bxe6 Nxe6) 23. g4 Nb4 24. Bxb4 $2 (24. Qc3 $17 {was necessary.}) 24... axb4 $19 25. Bxe6 Rxe6 26. Qxb4 ({Reject} 26. gxf5 Qa7 $19) 26... c5 {[%cal Bc6c5,Bc5c4,Bc4c3][%mdl 32]} 27. Qc4 Rea6 {aiming for ...Ra4.} 28. Nd3 $2 (28. Kb1) 28... Ra4 29. Qd5 c4 30. Nc1 {[#]} e4 $1 {[%mdl 512]} 31. fxe4 fxe4 $2 (31... Qa7 $19 {[%cal Ra4a2] has better winning chances.} 32. Kb1 Rb4) 32. Rhe1 $2 {[%mdl 8192] [#]} (32. c3 $17 Qa7 33. Kb1) 32... e3 $2 $40 {[%mdl 128] Black attacks.} (32... Qa7 $1 $19 {[%cal Ra4a2]} 33. Kb1 Rb8) 33. Re2 $2 {[%mdl 8192]} (33. c3 $11) 33... Qa7 {[%cal Ra4a2] ( -> ...Rxa2+)} 34. Kb1 c3 35. b4 Rxb4+ {[%mdl 64] Double Attack. Black mates.} 36. Ka1 Qa3 {[%csl Gb4,Gc3,Gg7][%cal Ra3b2]} 37. Nd3 Rba4 {Accuracy: White = 11%, Black = 67%.} 0-1

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Ringoir, Tanguy"]
[Black "Rohan, Ahuja"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2510"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,25,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 O-O {B45: Sicilian Four Knights} 8. Bd6 Qb6 9. Bxc5 Qxc5 10. Qd6 Qb6 $146 ({Predecessor:} 10... Qg5 11. Qg3 Qh6 12. Rd1 d5 13. Nc7 {0-1 (71) Svoboda,S (2331)-El Debs,F (2520) Prague 2014}) 11. Qc7 Qc5 12. Qd6 {LiveBook: 21 Games} Qb6 {And now ...a6 would win.} 13. Qc7 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Berczes, David"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2461"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,26,-9,0,0,0,0,0,0,0,0,0,-20,-6,-20,10]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. c3 d6 6. e3 c5 7. Bxf6 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (7. Bd3 Nc6 8. dxc5 dxc5 9. Qc2 Qc7 10. h3 Nd5 11. a3 Be6 12. O-O Rad8 13. Bh4 h6 14. Rad1 b6 15. Rfe1 Qc8 {0-1 (51) Indjic,A (2620)-Nepomniachtchi,I (2763) St Petersburg 2018}) 7... Bxf6 {LiveBook: 3 Games. The position is equal.} 8. dxc5 dxc5 9. Ne4 Qb6 10. Nxf6+ exf6 11. Qb3 Be6 12. Qb5 $146 ({Predecessor:} 12. Qxb6 axb6 13. g3 Rd8 14. Be2 Nc6 {½-½ (34) Hamilton,R (2304)-Tyomkin,D (2482) Guelph 2002}) 12... Nc6 13. Be2 Nb8 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Jacobson, Brandon"]
[Black "Gauri, Shankar"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2455"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,97,24,28,27,23,24,44,27,47,8,39,0,0,-11,-7,-22,-16,-95,9,-34,-25,-31,35,29,27,3,36,29,54,10,10,17,56,66,75,22,43,20,21,0,50,65,202,210,234,205,220,226,215,174,407,383,575,558,579,578,575,575,547,566,554,531,546,541,491,422,446,389,390,387,510,505,836,828,1083,1066,1306,1293,1224,1185,29978,29979,5622,5408]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} Be7 10. g3 (10. Rc1 Nbd7 11. g3 dxc4 12. Bxc4 O-O 13. Nxg6 hxg6 14. Be2 a6 15. O-O b5 16. a4 Qb6 17. axb5 axb5 {0-1 (28) Roiz,M (2605)-Giri,A (2783) St Petersburg 2018}) 10... a6 11. Rc1 {White is slightly better.} dxc4 12. Qxc4 Nbd7 13. a4 $146 ({Predecessor:} 13. Bg2 Rd8 14. Qe2 c5 15. Na4 b5 16. Nxc5 Nxc5 17. Nxg6 hxg6 18. dxc5 Rxh2 {1-0 (27) Bareev,E (2643)-Kobalia,M (2637) Moscow 2010}) 13... Rc8 14. Nxg6 hxg6 15. Qb3 c5 16. e4 (16. Be2 $11) 16... c4 (16... cxd4 $17 17. Ne2 Bc5) 17. Qd1 Qb6 $1 {[%cal Rb6d4]} 18. e5 Nd5 (18... Nh5 $15 19. Ne2 Nxg3 20. Nxg3 Qxd4) 19. Nxd5 $14 exd5 20. Bc3 g5 21. Bg2 Nf8 22. O-O {next f4 is good for White.} Qh6 23. h3 Qc6 24. f4 $36 {[%mdl 2048] White is more active.} gxf4 25. Qg4 (25. gxf4 $16 g6 26. Qf3) 25... g5 26. gxf4 {Hoping for Bxd5!} Rh4 $1 {[%cal Rh4g4]} 27. Qf3 {Threatens to win with fxg5.} (27. Qg3 {with more complications.} gxf4 28. Rxf4 Rxf4 29. Qxf4 Qg6 30. Kh2) 27... Rxf4 28. Qxd5 Qxd5 (28... Ne6 $14) 29. Bxd5 $18 {Rxf4 is the strong threat.} b5 30. Rxf4 gxf4 {[#]} 31. Bb7 $1 {[%cal Rb7c8]} Rb8 32. Bxa6 b4 $2 (32... bxa4 33. Kg2 (33. Bxc4 Bb4 $18) 33... Bb4 34. Bxc4 Bxc3 35. bxc3 Nd7) 33. Be1 Ne6 (33... f6 {keeps fighting.} 34. Bb5+ Kf7 35. Bxc4+ Kg7) 34. Bb5+ Kf8 35. Rxc4 Rd8 36. Bf2 Ng5 37. Kg2 f3+ 38. Kh2 Ne4 39. Be3 Bh4 40. Bc6 f2 41. Kg2 Ke7 {( -> ...Rg8+)} 42. Rc1 (42. Bxe4 Rg8+ 43. Bg6 Rxg6+ 44. Kf3 f1=Q+ 45. Ke4 Qxc4 46. Bf4 Qc2+ 47. Ke3 Rg1 48. Kf3 Qg2+ 49. Ke3 Re1+ 50. Kd3 Qe2#) 42... Rg8+ 43. Kf3 Ng5+ (43... f5 $142 44. exf6+ Nxf6 45. Bxf2 Bxf2) 44. Kg4 {[%mdl 64] [#] Trapped Piece} Rc8 45. d5 Rg8 46. d6+ Ke6 47. Kxh4 Kf5 48. Bxg5 Rxg5 49. Rf1 {Accuracy: White = 55%, Black = 36%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Ostrovskiy, Aleksandr"]
[Black "Yoo, Christopher Woojin"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2453"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,21,27,8,10,16,64,62,64,48,62,47,62,66,110,109,114,131,154,103,122,160,223,217,292,287,393,397,396,389,372,379,397,395,387,386,449,442,444,434,426,423]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. c3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} b5 7. a4 c4 8. Be2 {White is slightly better.} Bb7 9. axb5 $1 axb5 10. Rxa8 Bxa8 11. Na3 Nxe4 $146 ({Predecessor:} 11... Bxe4 12. Nxb5 d5 {1-0 (28) Svidler,P (2753)-Nepomniachtchi,I (2757) Jerusalem 2018}) 12. Nxb5 d5 13. b3 cxb3 14. Qxb3 e6 15. Ba3 Ndc5 (15... Qb6 $16) 16. Qa2 $18 Be7 {[#]} 17. d3 $1 Nd6 18. Bxc5 Nxb5 19. Qa4 Bc6 {[#]} 20. d4 $1 Qd7 21. Qb4 Bxc5 22. Qxc5 Qd6 23. Bxb5 {White is clearly winning.} Qxc5 24. dxc5 Bxb5 25. Rb1 {Accuracy: White = 82%, Black = 45%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Korley, Kassa"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2437"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,21,10,13]} 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 Bg4 6. Be2 O-O 7. O-O Nfd7 8. Be3 Nc6 9. d5 Bxf3 10. Bxf3 Na5 11. Be2 {Predecessor:} Bxc3 $146 12. bxc3 e5 13. dxe6 fxe6 14. f4 Qe7 15. Rb1 b6 16. Qc2 Rf7 17. Rf2 Nc5 18. Bxc5 dxc5 19. e5 Rd8 20. g3 Qe8 21. Rff1 Rfd7 {½-½ (64) Nguyen,N (2629)-Akopian,V (2675) Doha 2016} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Ezra Paul Chambers"]
[Black "Martin Del Campo C., Roberto"]
[Result "1-0"]
[ECO "B63"]
[WhiteElo "2334"]
[BlackElo "2298"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,97,50,50,15,0,14,25,36,59,57,95,69,82,59,129,138,288,133,129,134,228,129,272,272,313,275,314,306,319,326,370,349,721,708,841,841,841,841,824,824,761,705,2514,2490,29989,29990,29990,29991,29989,761,720,703,695,420,416,442,465,430,558,547,506,540,721,718,731,738,725,707,1429,1418,1377,1293,4627,4565]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f3 Nxd4 10. Qxd4 Qa5 11. Qd2 a6 12. Kb1 Qc7 13. h4 b5 14. g4 {B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves} Bb7 15. Ne2 Rac8 16. Nd4 {White has an edge.} Rfd8 17. Bd3 Kh8 $146 ({Predecessor:} 17... b4 18. Qe1 a5 19. h5 {½-½ (46) Quesada Perez,Y (2546)-Almeida Quintana,O (2500) Santa Clara 2008}) 18. Rde1 b4 19. h5 Rd7 (19... Kg8 $14) 20. Be3 $16 (20. h6 $6 g6 $14) 20... h6 {[#]} (20... d5 $16) 21. g5 (21. Bxh6 $1 $18 {[%mdl 512] and the rest is easy.} Bf8 (21... gxh6 22. Qxh6+) 22. Bg5) 21... hxg5 22. Bxg5 Qd8 (22... a5 $16 23. Reg1 Nh7) 23. Qg2 (23. h6 g6 $16) (23. Reg1 $18) 23... Ng8 (23... Nh7 $16 {was worth a try.} 24. Bxe7 Qxe7) 24. f4 $18 ({Weaker is} 24. Bxe7 Qxe7 25. Nb3 Qf6 $16) 24... Nh6 25. Reg1 (25. Bxe7 Qxe7 26. Rhg1 Rg8 $16) 25... Qf8 26. Rh3 e5 27. Nf3 exf4 28. Bxf4 Bf6 $2 (28... f5) 29. Bxh6 gxh6 30. Qg4 Qe7 31. Qf4 {[%cal Rf4h6] [#]} Bg5 32. Nxg5 hxg5 33. Rxg5 Qe6 34. Rhg3 Rdd8 35. Rg7 Rg8 36. Qg5 f5 37. Rg6 (37. h6 $142 Rb8 38. h7 Qxa2+ {[%mdl 64] Remove Defender} 39. Kxa2 Bd5+ 40. Ka1 Rgf8 41. Qh5 fxe4 42. Rg8+ Bxg8 43. hxg8=N#) 37... Rxg6 38. hxg6 {Threatening mate with Qh6+.} ({Less strong is} 38. Qxg6 Qxg6 39. Rxg6 fxe4 $14) 38... Kg7 39. Qxf5 Rh8 {Strongly threatening ...Qxf5.} 40. b3 (40. Qxe6 $2 {gets mated.} Rh1+ 41. Rg1 Rxg1+ 42. Bf1 Rxf1#) 40... Rh1+ {White is clearly winning.} 41. Kb2 Qe5+ 42. Qxe5+ dxe5 {[%mdl 4096] Endgame KRB-KRB} 43. Rg5 Re1 44. Rxe5 Kxg6 45. Re6+ Kg5 46. Bxa6 Bxa6 47. Rxa6 Rxe4 48. Rc6 Kf5 49. Rc4 {Accuracy: White = 71%, Black = 16%.} 1-0

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Yanayt, Eugene"]
[Black "Jacobson, Aaron"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2287"]
[BlackElo "2318"]
[Annotator "RC"]
[PlyCount "90"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. b3 Rd8 12. bxc4 Qd7 13. Nc3 Qxd4 14. Be3 Qxd1 15. Rfxd1 Ba6 16. Nb5 Nd5 17. a4 Nxe3 18. fxe3 Rxd1+ 19. Rxd1 Bxb5 20. axb5 Kf8 21. Rd7 Rc8 22. c5 c6 23. b6 axb6 24. cxb6 Ke8 25. Rb7 c5 26. Kf2 c4 27. Ke1 c3 28. Kd1 c2+ 29. Kc1 Rc6 30. Rb8+ Ke7 31. b7 Rb6 32. Kxc2 h5 33. Rg8 Rxb7 34. Rxg7 Kf6 35. Rg8 Kf5 36. Kd2 Ke4 37. Rg5 f5 38. Rxh5 Rb2+ 39. Kd1 Kxe3 40. g4 Rd2+ 41. Kc1 Kxe2 42. Rh6 Rd6 43. gxf5 Rd1+ 44. Kc2 Rd2+ 45. Kc1 Rd3 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Francisco, Richard"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2231"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,85,14,0,28,19,12,13,39,15,39,-29,-22,-62,-7,-62,-21,-17,-14,-26,0,-68,0,-69,-71,-67,-40,-58,-9,-39,-22,-31,-37,-46,-58,-93,-88,-258,8,8,8,8,8,8,9,9,12,14,10,14,15,6,22,22,58,38,41,56,69,37,132,123,106,0,231,238]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 bxc6 8. Bd3 d5 9. Qe2 Nf6 10. O-O Bb7 11. Bd2 Be7 12. Rae1 Nd7 {B46: Sicilian: Taimanov: 5 Nc3 a6} 13. Kh1 O-O 14. Na4 Rfe8 {[#] The position is equal.} 15. c4 $146 (15. exd5 cxd5 16. b3 Bf6 $15) ({Predecessor:} 15. b3 c5 16. c4 d4 17. e5 Bf8 18. Be4 a5 19. Qf3 Bxe4 20. Rxe4 Nb6 {½-½ (36) Topalov,V (2757)-Rublevsky,S (2649) Ajaccio 2004}) 15... d4 16. Qh5 (16. e5 $14) 16... c5 $11 17. b3 Bc6 (17... e5 $15) 18. Rf3 (18. e5 $11 g6 19. Qh3) 18... Nf6 19. Qh3 $1 g6 20. e5 Nd7 21. Rg3 (21. Be4 $11) 21... Bf8 ({Black should play} 21... Bxa4 $15 22. bxa4 Rab8) 22. Rg4 (22. Qg4 $11) 22... Bxa4 $15 23. bxa4 Bg7 24. Rh4 Nf8 25. Be4 Rab8 26. Qa3 Nd7 27. g4 f6 28. f5 Nxe5 29. Qh3 $2 (29. Qg3 $17 {was necessary.}) 29... Bf8 $2 ({Better is} 29... Nxc4 $19 30. Qd3 Nxd2 31. Qxd2 exf5 32. gxf5 Qf7 33. fxg6 hxg6) 30. fxg6 $11 Nxg6 31. Bxg6 hxg6 32. Rh8+ Kf7 $132 {[%mdl 2048] Black is fighting back} 33. Rh7+ Bg7 {[#] White must now prevent ...Kg8.} 34. Bh6 $1 Rg8 35. g5 f5 36. Bxg7 {Bf6+ would kill now.} Rxg7 37. Rxg7+ Kxg7 {[%mdl 4096] Endgame KQR-KQR} 38. Qh6+ Kg8 {Hoping for ...Qc6+.} 39. Qxg6+ {[%mdl 64] [#] Double Attack} Kh8 40. Qxe6 {And now Qf6+ would win.} Qf4 ({Black should try} 40... d3 $1 $14) 41. Qf6+ $16 Kg8 42. Qc6 ({But not} 42. Qxa6 $6 Qf3+ 43. Kg1 Qg4+ {[%mdl 64] Double Attack} 44. Kh1 Qf3+ 45. Kg1 Qg4+ {[%mdl 64] Double Attack} 46. Kh1 Qf3+ $11) ({White must play} 42. Qg6+ $16 Kh8 43. Qh5+ (43. Qxa6 Qf3+ 44. Kg1 Qg4+ {[%mdl 64] Double Attack} 45. Kh1 Qf3+ 46. Kg1 Qg4+ {[%mdl 64] Double Attack} 47. Kh1 Qf3+ $11) 43... Kg8 44. g6 (44. Qg6+ Kh8 $16)) 42... Rf8 $2 (42... Qf2 $1 $11 {and Black is okay.} 43. Qe6+ (43. Qd5+ Kh8 $11) 43... Kh8) 43. Qg6+ {Accuracy: White = 40%, Black = 39%.} 1/2-1/2

[Event "CCCSA Spring GM Invitational 2019"]
[Site "Charlotte"]
[Date "2019.03.24"]
[Round "9"]
[White "Adamson, Robby"]
[Black "Stremavicius, Titas"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2216"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,68,47,54,15,26,12,30,-4,8,-36,22,1,22,-72,-64,-62,-66,-71,-76,-123,-122,-204,-190,-203,-217,-385,-237,-227,-212,-233,-170,-397,-387,-377,-354,-385,-239,-405,-367,-544,-379,-442,-407,-855,-814,-736,-556,-797,-797,-1086,-1075,-1138,-1134,-2008,-1644,-29996,-29997,-29997,-29998]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Bf4 Bg7 7. O-O-O {B07: Pirc Defence: Miscellaneous Systems} (7. h3 Nfd7 8. Nf3 e5 9. Be3 Qe7 10. Rd1 a6 11. Be2 b5 12. a3 Bb7 13. O-O h5 14. Bg5 f6 {0-1 (54) Sjugirov,S (2665)-Onischuk,V (2613) Almaty 2016}) 7... b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 8. f3 b4 9. Nce2 {White has an edge.} a5 10. g4 Nbd7 (10... h5 $15) 11. Ng3 Nb6 $146 ({Predecessor:} 11... Qc7 12. h4 e5 13. dxe5 dxe5 14. Be3 h5 15. gxh5 Nxh5 16. Nxh5 Rxh5 {1-0 (33) Aabling Thomsen,J (2333)-Klings,P (2128) Helsingor 2014}) 12. g5 (12. Kb1 $11 {remains equal.}) 12... hxg5 $17 13. Bxg5 Qc7 14. h4 Bd7 15. Re1 c5 16. e5 {[#]} (16. Kb1 $17 {was necessary.}) 16... dxe5 $1 $19 17. dxe5 Nfd5 18. Qe2 $2 (18. h5 Bxe5 {[#]} 19. f4 $1 {[%mdl 512]} Bxf4 20. Bxf4 Qxf4 21. Qxf4 Nxf4 22. hxg6 Nxg6 23. Rxh8+ Nxh8 24. Ne4) 18... O-O-O 19. h5 gxh5 20. Rxh5 Kb8 21. Bh3 $2 (21. Nh3) 21... Bc6 22. Rxh8 Bxh8 ({Not} 22... Rxh8 23. Kb1 $17) 23. Nf5 Rg8 24. Bh4 $2 (24. f4) 24... a4 25. Nh6 (25. f4 $142 e6 26. Nh6) 25... Rf8 26. Bg3 a3 27. bxa3 (27. b3 $142 c4 28. Qd2) 27... Qa7 28. Qd3 e6 29. Bf2 c4 30. Bxb6 Qxb6 (30... cxd3 $2 31. Bxa7+ Kxa7 32. Bf1 $19) 31. Qxc4 Rc8 32. Ne2 Ba4 33. Qd4 Rxc2+ {[%mdl 64] Double Attack} 34. Kb1 Qxd4 {Accuracy: White = 14%, Black = 84%.} 0-1

