[Event "Charlotte Holiday IM 2020"] [Site "Charlotte"] [Date "2020.12.27"] [Round "1.1"] [White "Andrianov, Nikolay"] [Black "Vivekananthan, Anish"] [Result "1/2-1/2"] [ECO "E05"] [WhiteElo "1816"] [BlackElo "2305"] [Annotator "TA"] [PlyCount "122"] [EventDate "2020.12.26"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,122,12,10,16,0,0,0,0,0,9,15,0,-8,-11,-27,-12,-22,-22,-22,-23,-26,-27, -32,-34,-31,-30,-52,-26,-25,-18,-92,-89,-183,-182,-175,-177,-170,-110,-111, -121,-120,-111,-106,-107,-117,-112,-118,-111,-123,-124,-110,-64,-148,-102,-99, -100,-193,-193,-194,-167,-241,-243,-231,-222,-481,-280,-272,-269,-305,-132, -291,-259,-153,-84,-84,-84,-84,-6,-6,-6,-84,-84,-84,-27,-333,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qd3 c5 12. Nc3 Bc6 13. Rfd1 Qa5 { 13...cxd4 is vanishing. E05: Open Catalan: 5 Nf3 Be7.} 14. dxc5 Nbd7 15. Nd4 Bxg2 16. Kxg2 {[#]} Nxc5 $146 ({Predecessor:} 16... Qxc5 17. Ne4 Nxe4 18. Bxe7 Qxe7 19. Qxe4 Nf6 20. Qe3 Rac8 21. Rac1 Rxc1 22. Rxc1 Qd7 {1/2-1/2 (35) Szabo, Z-Kovacevic,A LSS email 2006}) 17. Qc4 {Black must now prevent Bxf6.} Ncd7 18. Bxf6 Nxf6 19. Nb3 Qe5 20. Qf4 Qxf4 21. gxf4 Rac8 22. Rd4 Rc7 23. Rad1 Rfc8 24. e3 Kf8 25. Kf3 b6 26. h3 g6 27. Nc1 {[#]} (27. Nd2 $11) 27... Ba3 $1 $17 { [%CAl Ra3b2]} 28. Rd8+ (28. a5 $17 b5 29. Nd3) 28... Rxd8 $1 $19 29. Rxd8+ Ke7 30. Rd2 {[#]} Bxb2 $1 {[%mdl 512]} 31. Rxb2 $17 {And now N3e2 would win.} Rxc3 $19 {[%mdl 4096] Endgame KRN-KRN} 32. Ne2 Rc6 33. Nd4 Rd6 34. Rc2 Kd7 35. Rc4 Ne8 36. e4 Nc7 37. Ke3 Kc8 38. f5 (38. Nf3 $15) 38... gxf5 39. exf5 e5 40. Nc6 (40. Nf3 $17 {was necessary.}) 40... f6 $1 41. f4 Kb7 $1 42. Nxe5 (42. Nb4 $142 exf4+ 43. Ke4) 42... fxe5 43. fxe5 {KRN-KR} Rh6 44. h4 $2 (44. Rc1 {was worth a try.}) 44... b5 (44... Rh5 $142 45. Rc2 Rxf5) 45. axb5 axb5 46. Rg4 Nd5+ ( 46... Rh5 $19 {is more deadly.} 47. Kf4 Kc6) 47. Kd4 $2 (47. Kd3 $17) 47... Kc6 48. f6 {[#] and if f7 works, White does fine.} Nxf6 ({Black should try} 48... Nc7 $1 {[%CAl Rc7e6] Threatens to win with ...Ne6+.} 49. Ke4 b4) 49. exf6 $17 Rxf6 {KR-KR} 50. Kc3 Rh6 ({Better is} 50... Rf3+ $17 51. Kc2 Rf2+ 52. Kc3 Rf3+ 53. Kd2 Rf5) 51. Kb4 $11 Rh5 52. Rd4 {[#]} (52. Rf4 $11) 52... Rf5 $1 $17 53. Rg4 Kd6 (53... Rf3 $17) 54. Rg7 $2 {[%mdl 8192]} (54. Rd4+ $1 $11 {and White is okay.} Kc6 55. Re4) 54... h5 $2 (54... Rf4+ $19 55. Kxb5 Rxh4) 55. Rg6+ $11 {The position is equal.} Ke7 56. Rb6 Rf4+ 57. Kxb5 Rxh4 {aiming for ...Rh1.} 58. Kc5 Kf7 59. Kd5 Kg7 60. Ke5 Rg4 61. Kf5 Rg1 {Weighted Error Value: White=0. 32/Black=0.26} 1/2-1/2 [Event "Charlotte Holiday IM 2020"] [Site "Charlotte"] [Date "2020.12.27"] [Round "1.2"] [White "Liang, Jason"] [Black "Chasin, Nico"] [Result "0-1"] [ECO "D00"] [WhiteElo "2317"] [BlackElo "2303"] [Annotator "TA"] [PlyCount "114"] [EventDate "2020.12.26"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,114,25,23,21,23,21,35,31,52,52,56,45,60,19,27,7,67,0,12,-120,-127, -268,-278,-264,-266,-262,-270,-267,-274,-363,-362,-370,-363,-353,-364,-372, -361,-346,-257,-257,-251,-262,-254,-295,-310,-337,-354,-351,-347,-323,-330, -402,-333,-330,-300,-402,-395,-426,-414,-487,-481,-584,-577,-565,-565,-551, -533,-909,-937,-886,-864,-814,-567,-813,-779,-857,-790,-930,-897,-829,-700, -5479,-5759,-5202,-5018,-5397,-5372,-4133,-3389,-1566,-1264,-29978,-29979, -29975,-29976,-29982,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985, -29985,-29985,-29986]} 1. d4 Nf6 2. Bg5 d5 3. e3 c6 4. Bxf6 gxf6 5. Nf3 Qb6 6. Qc1 {D00:1 d4 d5: Unusual lines.} Bg4 7. Be2 Bh6 8. Nbd2 {[#] White is slightly better.} Rg8 $146 ({Predecessor:} 8... Nd7 9. h3 Bh5 10. g4 Bg6 11. Nh4 Rc8 12. c4 Qc7 13. Nxg6 fxg6 14. cxd5 cxd5 15. Qxc7 Rxc7 {1-0 (36) Distelrath,O-Romstadt,D Germany 1995}) 9. c4 Nd7 10. Qc2 {c5 is the strong threat.} f5 11. h3 Bxf3 12. Bxf3 e6 ({Better is} 12... f4 $11) 13. g4 (13. O-O-O $14) 13... f4 $1 $11 {[%CAl Rf4e3]} 14. Qxh7 (14. Qc3 $11 {remains equal. }) 14... Rg6 $17 {White must now prevent ...Nf8.} 15. Ke2 {This costs White the game.} (15. Qh8+ $17 {was worth a try.} Nf8 16. Ke2) 15... Ke7 $19 16. g5 Bxg5 17. h4 {[#]} fxe3 $1 18. hxg5 exd2 19. Bh5 Nf8 ({Weaker is} 19... Qxd4 20. Bxg6 Ne5 21. Bxf7 $11 (21. Rh4 Qxb2 22. Rb1 d1=B+ 23. Kxd1 Qxf2 $11)) (19... Qxb2 $2 20. Rhd1 $19) ({Not} 19... Rxg5 20. Qxf7+ Kd8 21. Rh4 $15) 20. Qh8 Rxg5 21. Qh6 Rf5 22. Qxd2 dxc4 {And now ...Qb5 would win.} 23. Qc3 Qa5 24. Bf3 Qxc3 25. bxc3 Nd7 26. Rab1 Nb6 27. Rh7 Ra5 28. Rb2 Rg8 29. Bh5 Rf5 30. a4 Rg2 31. Bf3 Rg1 32. Rh8 Kf6 33. Ra2 Ra5 34. Rb8 Nxa4 35. Ra3 Rc1 36. Kd2 {[#]} Nc5 $1 37. Kxc1 Rxa3 38. dxc5 Rxc3+ {[%mdl 64] Double Attack} 39. Kd2 Rxf3 40. Rxb7 { [%mdl 4096] Endgame KR-KR} Rf5 41. Rxa7 Rxc5 42. Kc3 Rf5 43. Ra2 Rf4 44. Kb4 Ke5 45. Kc5 c3 46. Re2+ Kf5 47. Rc2 Rf3 48. Re2 Rd3 49. Rc2 Ke4 50. Kxc6 Kd4 { Black mates.} 51. Rc1 Rd2 52. f4 c2 53. Kd6 Kc3+ 54. Ke7 Rd1 55. Rxc2+ Kxc2 56. Kxf7 Rf1 57. Kxe6 Rxf4 {Weighted Error Value: White=0.48/Black=0.14} 0-1 [Event "Charlotte Holiday IM 2020"] [Site "Charlotte"] [Date "2020.12.27"] [Round "1.3"] [White "Tsay, Vincent"] [Black "Vijay, Keerthi K."] [Result "1/2-1/2"] [ECO "B06"] [WhiteElo "2266"] [BlackElo "2242"] [Annotator "TA"] [PlyCount "71"] [EventDate "2020.12.26"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,71,47,68,66,72,74,79,75,115,104,134,125,131,108,104,80,101,81,96,101, 98,94,91,91,90,74,70,26,26,24,13,7,38,0,0,0,28,0,0,0,0,0,0,0,0,-2,-2,-16,-16, -16,-16,-16,-16,-16,0,0,0,0,0,0,4,0,12,0]} 1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. Be3 Nc6 5. Nf3 e5 6. dxe5 {B06: Modern Defence.} Nxe5 7. Nxe5 Bxe5 8. Qd2 {White is better.} Be6 9. Be2 Ne7 10. f4 Bg7 11. O-O-O Qd7 {[#]} 12. Bd4 $146 ({ Predecessor:} 12. h3 a6 13. g4 f6 14. Nd5 Nxd5 15. exd5 Bf7 16. c4 b5 17. c5 dxc5 18. Bxc5 {1-0 (24) Kristiansen,J (2405)-Hvenekilde,J (2245) Aarhus 1976}) 12... f6 13. h4 h5 14. Rhe1 a6 {[#]} 15. Nd5 $1 {[%CAl Rd5f6]} Bxd5 16. exd5 O-O 17. Bc3 Rae8 18. Rg1 {aiming for g4.} f5 19. Rge1 Nc8 20. Bf3 Nb6 21. Bxg7 Qxg7 22. Qb4 Qd7 23. g3 Qa4 {The position is equal.} 24. a3 Qxb4 25. axb4 Rxe1 26. Rxe1 $11 {[%mdl 4096] Endgame KRB-KRN} Kf7 27. b3 Ra8 28. Re3 (28. Rd1 { feels hotter.} Nd7 29. Kd2 Re8 30. c4 Nf6 31. Rc1) 28... Re8 29. Kd2 Rxe3 30. Kxe3 {KB-KN} Nc8 31. c4 b5 32. Be2 Na7 33. Kd4 Kf6 34. Bf1 Kf7 35. Be2 Kf6 36. Bf1 {Weighted Error Value: White=0.08/Black=0.06} 1/2-1/2 [Event "Charlotte Holiday IM 2020"] [Site "Charlotte"] [Date "2020.12.27"] [Round "1.4"] [White "Li, Eric"] [Black "Martin Del Campo C., Roberto"] [Result "0-1"] [ECO "A54"] [WhiteElo "2311"] [BlackElo "2313"] [Annotator "TA"] [PlyCount "172"] [EventDate "2020.12.26"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,172,80,65,70,80,71,111,107,120,87,78,70,111,96,116,100,102,85,87,87, 134,-83,-91,-83,-107,-105,-97,-99,-70,-137,-130,-123,-106,-206,-135,-128,-129, -147,-117,-272,-31,-32,-29,-73,-73,-73,-79,-83,-73,-73,-73,-73,-74,-75,-75, -125,-118,-118,-118,-226,-88,-88,-88,-88,-58,-58,-58,-58,-58,-58,-58,-58,-58, -58,-8,-138,-138,-138,-138,-139,-138,-138,-138,-138,-138,-138,-138,-138,-138, -138,-58,-138,-138,-138,-138,-138,-138,-138,-138,-139,-138,-138,-138,-138,-138, -176,-137,-137,-137,-12796,-12679,-1148,-137,-137,-137,-137,-137,-176,-176, -176,-176,-176,-176,-176,-176,-29945,-12850,-12653,-11426,-6386,-8,-8,-8,-119, -8,-8,-8,-8,-8,-8,0,0,0,-29955,-29962,-29978,-29979,-29979,-29980,-29980, -29981,-29981,-29982,-29982,-29983,-29983,-29982,-29982,-29983,-29983,-29984, -29984,-29985,-29985,-29986]} 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 e4 5. Nd2 Bf5 6. Qb3 {A54: Old Indian Defence with Nf3, but without e4.} Nc6 7. e3 {[#]} Qc8 $146 ({Predecessor:} 7... Rb8 8. g3 Qd7 9. h3 d5 10. cxd5 Nb4 11. Bg2 a5 12. a3 a4 13. Nxa4 Nbxd5 {1-0 (77) Khismatullin,D (2635)-Glidzhain,G (2331) Ufa 2012}) 8. g3 {White is better.} Rb8 9. h4 Be7 10. Bg2 O-O 11. Ncxe4 Nxe4 12. Nxe4 ({ Reject} 12. Bxe4 $6 Bxe4 13. Nxe4 Qe6 $11) 12... Re8 13. f3 b5 14. cxb5 d5 15. Qd1 $2 Nb4 $17 16. a3 dxe4 17. axb4 Bxb4+ 18. Kf2 Rxb5 19. Rf1 (19. Rxa7 $15 exf3 20. Bxf3) 19... a5 20. Kg1 Qd7 21. f4 (21. b3 $17) 21... Rd5 22. Bd2 c5 23. Bc3 cxd4 24. Bxd4 (24. exd4 $17 Rc8 25. Rc1) 24... Bc5 $2 ({Black should play} 24... Bg4 $19 25. Qa4 Rxd4 26. exd4 Qxd4+ {[%mdl 64] Double Attack} 27. Kh2 Rd8) 25. Rxa5 $15 {[#]} Rd8 $1 {[%CAl Rc5d4]} 26. Qa4 (26. Rxc5 Rxc5) 26... Bxd4 27. exd4 {next Qxd7 is good for White.} Rxa5 28. Qxa5 Qxd4+ 29. Kh2 g6 30. Qc3 Qxc3 31. bxc3 $17 {[%mdl 4096] Endgame KRB-KRB} Rd2 32. Kg1 Rc2 33. Re1 Rxc3 34. Bxe4 (34. Kf2 $17 {is a better defense.}) 34... Rxg3+ (34... Bxe4 $19 35. Rxe4 f5 36. Re8+ Kf7) 35. Kf2 Rg4 36. Kf3 Rxh4 37. Bxf5 gxf5 {KR-KR} 38. Re5 Rh3+ 39. Kg2 Rh5 40. Kg3 Kg7 41. Ra5 Kg6 {White must now prevent ...Rh1.} 42. Ra8 (42. Ra6+ $11 Kg7 43. Ra5) 42... Rh1 43. Rg8+ Kf6 44. Ra8 Rg1+ 45. Kf3 Rb1 46. Rg8 Rb3+ 47. Kg2 Rb7 48. Kg3 Rd7 49. Kg2 Ke6 (49... Rd4 $17 50. Kf3 Rd1 ) 50. Re8+ ({White should try} 50. Rg5 $1 $15) 50... Re7 $1 {[%CAl Re7e8]} 51. Rd8 f6 52. Kf3 Rd7 53. Re8+ Kf7 54. Rh8 Kg6 55. Rg8+ Kh5 56. Rf8 Rd3+ 57. Ke2 Rh3 58. Rxf6 Kg4 59. Ra6 $2 {[%mdl 8192]} (59. Kf2 $17) 59... Kxf4 $19 60. Ra4+ Kg5 $2 (60... Kg3 $1 $19 {and Black stays clearly on top. Strongly threatening ...Rh2+.} 61. Ra3+ Kg4) 61. Kf2 $17 h5 62. Kg2 Rb3 63. Rc4 h4 64. Ra4 Rg3+ 65. Kh2 Re3 66. Kg2 Re4 67. Ra3 $2 (67. Ra7 $19) 67... Kg4 68. Ra8 Re2+ 69. Kg1 h3 $2 (69... Kf3 $19 {Hoping for ...f4.} 70. Kf1 f4) 70. Rg8+ $11 Kf3 {( -> ... Rg2+)} 71. Rh8 Re1+ (71... Kg3 $1 $17 {[%CAl Re2e1]} 72. Rg8+ Kf3) 72. Kh2 f4 ( 72... Kf2 {looks sharper.} 73. Rxh3 Re2 74. Ra3 Rc2 75. Ra4 Kf3+) 73. Rxh3+ Kf2 74. Ra3 f3 {aiming for ...Re8.} (74... Re8 {seems wilder.} 75. Ra2+ Kf1 76. Ra1+ Re1 77. Ra3 Re2+) 75. Ra2+ Re2 (75... Kf1 $5 76. Kg3 $8 Re3 77. Rf2+ Ke1 $11) 76. Ra3 $2 {[%mdl 8192] [#]} (76. Ra8 $11) 76... Kf1+ $1 {Black mates.} 77. Kh3 f2 78. Kh2 Re8 79. Ra1+ Ke2 80. Ra2+ Kf3 {[%CAl Re8h8]} 81. Ra3+ {[#]} Re3 $1 82. Ra1 Re1 83. Ra3+ Ke4 84. Ra4+ Kd5 85. Ra5+ Kc6 86. Ra6+ Kb7 { Weighted Error Value: White=0.41/Black=0.33} 0-1 [Event "Charlotte Holiday IM 2020"] [Site "Charlotte"] [Date "2020.12.27"] [Round "1.5"] [White "Diulger, Alexey"] [Black "Velikanov, Alexander"] [Result "0-1"] [ECO "A16"] [WhiteElo "2298"] [BlackElo "2308"] [Annotator "TA"] [PlyCount "56"] [EventDate "2020.12.26"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,56,13,26,-22,-30,-35,-30,-23,-33,-90,-69,-70,-59,-70,24,16,46,40,23, 10,31,0,0,0,39,-45,-47,-49,-53,-54,-51,-116,-124,-391,-373,-373,-375,-1421, -1391,-5502,-5502,-5502,-5489,-3437,-2459,-2459,-2372,-1988,-1818]} 1. c4 Nf6 2. Nc3 g6 3. e4 Bg7 4. e5 Ng8 5. d4 c5 6. Be3 {[#] A16: English Opening: 1... Nf6 with ...d5.} cxd4 $146 ({Predecessor:} 6... Nc6 7. d5 Nxe5 8. f4 Nxc4 9. Bxc4 d6 10. Nf3 Nf6 11. h3 O-O 12. O-O Bf5 {1-0 (24) Reh,P (2106)-Collmann,M (1594) Bad Zwesten 2005}) 7. Bxd4 Nc6 8. Nf3 {Black has an edge.} Nh6 9. Nd5 ( 9. e6 $15 Nxd4 10. exf7+ Nxf7 11. Nxd4) 9... Nxd4 $17 10. Qxd4 d6 11. c5 dxe5 ( {Better is} 11... O-O $15 12. Qb4 e6 13. Nf6+ Bxf6 14. exf6 dxc5 15. Qxc5 Qxf6) 12. Qa4+ $1 $11 (12. Nxe5 $2 O-O $19) 12... Bd7 13. Bb5 Bxb5 $1 14. Qxb5+ { [%mdl 64] Double Attack} Kf8 15. Qxb7 Rb8 $36 {[%mdl 2048] Black has good play. } 16. Qxa7 {And now Nb6 would win.} e4 {[#]} ({Wrong is} 16... Rxb2 $2 17. c6 $1 $18) (16... Ra8 $5 {[%CAl Ra8a7]} 17. Qb7 Rb8 $11) 17. Nb6 (17. c6 $1 $14 Rc8 18. Rd1 $1 Rxc6 19. Ng5) 17... Bxb2 $15 18. Rd1 Bc3+ 19. Ke2 exf3+ 20. gxf3 (20. Kxf3 $15 Qe8 21. Nd7+ Kg7 22. Qxb8 Qxb8 23. Nxb8 Rxb8 24. Rd3) 20... Qe8 $17 {White must now prevent ...Qb5+.} 21. Rd3 $2 {[%mdl 8192] [#] Loses the game.} (21. Qxb8 $17 {was worth a try.} Qxb8 22. Nd7+ Kg7 23. Nxb8 Rxb8 24. a4) 21... Kg7 $1 $19 22. Rxc3 {Threatening c6.} Qb5+ 23. Kd2 $2 (23. Nc4 Ra8 24. Qb6 Rxa2+ 25. Kf1) 23... Qb2+ {Black is clearly winning.} 24. Kd3 Rhd8+ 25. Kc4 Nf5 {[%csl Gf5][%CAl Rd8d4]} 26. Rb3 Rd4+ 27. Kb5 Qe2+ 28. Kc6 Rdd8 {Weighted Error Value: White=0.97/Black=0.25} 0-1
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