[Event "CCCSA Holiday GM 2020"] [Site "Charlotte USA"] [Date "2020.12.29"] [Round "6.5"] [White "Daggupati, Balaji"] [Black "Plotkin, Mark"] [Result "0-1"] [ECO "B06"] [WhiteElo "2399"] [BlackElo "2435"] [Annotator "Tactical Analysis 3.0 (15s)"] [PlyCount "158"] [EventDate "2020.12.26"] [EventType "tourn"] [EventRounds "9"] [EventCountry "USA"] [EventCategory "8"] [SourceTitle "TWIC1365"] [Source "Mark Crowther"] [SourceDate "2021.01.04"] [SourceVersion "1"] [SourceVersionDate "2021.01.04"] [SourceQuality "2"] {[%evp 13,158,45,47,54,153,15,25,23,37,21,47,47,102,87,172,53,63,25,57,-156, -144,-201,-75,-210,-167,-254,-225,-248,-239,-358,-328,-330,-317,-425,-390,-415, -415,-413,-382,-375,-378,-387,-359,-375,-357,-386,-374,-362,-337,-390,-350, -413,-386,-416,-360,-382,-389,-401,-289,-308,-289,-307,-248,-319,-261,-290, -254,-440,-412,-425,-439,-425,-427,-462,-401,-527,-503,-526,-486,-532,-528, -536,-535,-539,-534,-532,-530,-507,-467,-520,-528,-523,-521,-508,-508,-500, -485,-500,-471,-607,-603,-582,-547,-805,-703,-850,-857,-819,-732,-803,-647, -954,-995,-878,-905,-989,-1185,-1147,-1142,-1052,-987,-986,-1010,-1165,-1034, -983,-910,-1294,-1246,-15260,-15259,-15261,-1322,-1505,-1381,-1537,-1459,-1232, -1477,-7292,-15252,-15264,-1359,-15242,-15249,-29985,-29986]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d5 5. exd5 b5 6. Bb3 b4 7. Na4 cxd5 8. a3 {B06: Modern Defence.} Nc6 (8... bxa3 $14 9. Rxa3 e6) 9. Be3 $146 (9. Nc5 $1 $16) ({ Predecessor:} 9. Ne2 Na5 10. Ba2 bxa3 11. b3 Nh6 12. Bxa3 O-O 13. O-O Nc6 14. Re1 Qc7 15. c3 Rd8 {1-0 (48) Hosseinzadeh,N (2205)-Mahjoob,M (2419) Tabriz 2013 }) 9... bxa3 $11 10. Rxa3 {White has an edge.} Nh6 11. c3 O-O 12. Nf3 Nf5 ({ Better is} 12... Ba6 $14) 13. Bf4 $1 $16 f6 (13... Ba6 $16) 14. h4 ({White should play} 14. h3 $18) 14... Na5 $1 $14 15. Ba2 (15. O-O $5 {[%CAl Rf4c7]}) 15... Nc4 16. Nc5 $2 (16. Bxc4 $1 $14 {is the one way to stay ahead.} dxc4 17. O-O) 16... Nxa3 $17 17. bxa3 e6 (17... Kh8 $19 18. O-O Bh6) 18. Qa4 (18. O-O $17) 18... Qe8 $19 19. Qa5 (19. Qxe8 $142 Rxe8 20. Bb3) 19... Qc6 20. O-O {[#]} Nd6 $1 21. Nd2 (21. Re1 {might work better.} Nc4 22. Qc7 Qxc7 23. Bxc7) 21... Nb7 22. Nxb7 Bxb7 23. Nb3 Ba6 24. Ra1 Bc4 25. Qb4 {intending Na5.} Qb6 26. Nc5 Bxa2 27. Rxa2 e5 28. Be3 Rf7 29. Rb2 Qxb4 30. axb4 f5 31. dxe5 Bxe5 32. Bd4 Re8 33. Rd2 Rfe7 34. Bxe5 Rxe5 {[%mdl 4096] Endgame KRR-KRN} 35. g3 R8e7 36. Kg2 Kf7 37. Kf3 h6 38. Rd4 Rc7 39. Kg2 Ke7 40. Nd3 $2 (40. Rd1) 40... Re4 41. Rxd5 Rxc3 42. Nf4 g5 43. hxg5 hxg5 44. Nh3 Kf6 45. Rd6+ Re6 46. Rd8 Rc7 47. Rf8+ { [#]} Kg6 $1 48. Rg8+ Rg7 49. Rc8 Rb6 50. Rc4 Re7 51. g4 Re4 52. gxf5+ Kxf5 53. Rc5+ Re5 {And now ...Rxc5 would win.} 54. Rc4 Reb5 55. Kg3 g4 56. Rf4+ Ke5 57. Rxg4 Rxb4 58. Nf4 {Strongly threatening Nd3+.} Kd4 59. Rg7 a5 60. Rd7+ Kc4 61. Nd5 Rb3+ 62. Kf4 Rb7 63. Ne3+ Kc3 64. Nd1+ Kc2 65. Ne3+ Kb1 66. Rd1+ Ka2 67. Ke5 a4 68. Nc4 Rf3 69. Rd2+ Kb1 70. Rd4 Kc1 71. Na5 Rb5+ {[%mdl 64] Double Attack} 72. Ke4 Ra3 (72... Rxa5 $142 73. Kxf3 a3) 73. Nc6 Rc3 74. Nb4 Kb1 75. Nd5 Rcc5 76. Ne3 a3 77. Nc4 Ka2 (77... Rxc4 $142 78. Rxc4 Ra5) 78. f4 Kb3 79. Nd6 Rb4 {Accuracy: White = 40%, Black = 74%.} 0-1 [Event "CCCSA Holiday GM 2020"] [Site "Charlotte USA"] [Date "2020.12.29"] [Round "7.4"] [White "Plotkin, Mark"] [Black "Gauri, S."] [Result "0-1"] [ECO "C46"] [WhiteElo "2435"] [BlackElo "2356"] [Annotator "Tactical Analysis 3.0 (15s)"] [PlyCount "68"] [EventDate "2020.12.26"] [EventType "tourn"] [EventRounds "9"] [EventCountry "USA"] [EventCategory "8"] [SourceTitle "TWIC1365"] [Source "Mark Crowther"] [SourceDate "2021.01.04"] [SourceVersion "1"] [SourceVersionDate "2021.01.04"] [SourceQuality "2"] {[%evp 16,68,0,-6,-11,-18,-16,-114,-99,-93,-87,-139,-128,-153,-133,-158,-98, -340,-316,-467,-131,-523,-513,-538,-545,-575,-533,-538,-586,-788,-779,-736, -763,-788,-755,-848,-824,-865,-851,-886,-902,-844,-817,-1071,-911,-1109,-1041, -1072,-1048,-1043,-971,-955,-918,-923,-925]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bc5 8. O-O O-O 9. d3 Bb6 {C47: Scotch Four Knights and Four Knights with 4 g3.} 10. Nd2 Be6 11. Ne4 $146 (11. a4 $11 {keeps the balance.}) ({Predecessor:} 11. c4 Qd7 12. Ba3 Rfe8 13. Nb3 a5 14. Rb1 Bh3 15. Bxh3 Qxh3 16. c5 Ba7 17. Nd2 {1-0 (60) Grigoryan,K (2545)-Gonzalez Trigal,J (2351) La Roda 2019}) 11... f5 $17 {Black is better.} 12. Ng5 Bd5 $1 13. Qh5 ({White should play} 13. Bxd5+ Qxd5 14. Qh5) 13... h6 {Hoping for ... Bxg2.} 14. Nf3 Qf6 15. Ba3 {[#]} Rfe8 (15... Bf7 $142 $1 {[%CAl Rf7h5]} 16. Qh4 g5) 16. c4 $2 (16. Nh4 $17 Bxg2 17. Nxg2) 16... Bf7 $19 17. Qh3 (17. Qh4 $142 g5 18. Qh3) 17... g5 $2 (17... e4 $19 {and Black stays clearly on top.} 18. Nd2 {[#]} Bxf2+ $1 {[%mdl 512]} 19. Kh1 e3) 18. g4 $2 {[%mdl 8192]} (18. Rab1 $17) 18... e4 {Black is clearly winning.} 19. dxe4 fxe4 20. Nd2 {[#]} Bxf2+ $1 { [%mdl 512]} 21. Kh1 (21. Rxf2 Qxa1+) 21... e3 22. Bc5 exd2 {[%mdl 64] Discovered Attack} 23. Bxf2 Bxc4 {White must now prevent ...Rad8.} 24. Bg1 Bxf1 25. Rxf1 Qe6 26. Rd1 Rad8 27. c4 Kh7 28. Qb3 Qe2 29. c5 Re7 30. h3 Nd4 31. Qb1+ Kg7 32. Qa1 {[#]} Qxd1 $1 {[%mdl 576] Clearance} 33. Qxd1 Re1 34. Qxd2 {[#]} Rxg1+ $1 {[%mdl 576] Decoy. Accuracy: White = 23%, Black = 78%.} 0-1 [Event "CCCSA Holiday GM 2020"] [Site "Charlotte USA"] [Date "2020.12.30"] [Round "9.2"] [White "Dragun, K."] [Black "Plotkin, Mark"] [Result "1-0"] [ECO "B06"] [WhiteElo "2565"] [BlackElo "2435"] [PlyCount "51"] [EventDate "2020.12.26"] [EventType "tourn"] [EventRounds "9"] [EventCountry "USA"] [EventCategory "8"] [SourceTitle "TWIC1365"] [Source "Mark Crowther"] [SourceDate "2021.01.04"] [SourceVersion "1"] [SourceVersionDate "2021.01.04"] [SourceQuality "2"] {[%evp 14,51,108,116,119,132,140,114,128,111,220,159,201,226,233,213,425,422, 450,422,498,449,664,606,817,677,882,843,1432,1394,2163,2191,2128,1109,1080, 1071,1064,967,1254,1222]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 Nh6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Qb6 9. Ne2 f6 10. g4 fxe5 {White is better.} 11. fxe5 Na6 12. Bg2 $146 ({Predecessor:} 12. c3 Nc7 {1/2-1/2 (12) Carmaciu,L (2398)-Sanduleac,V (2386) Mamaia 2015}) 12... Rf8 (12... Nf7 $16) 13. Qc3 $18 e6 14. Be3 c5 $2 {[#]Opening up the position helps White more than Black as Nh6 is offside and the bishop pair comes alive} (14... Qb4 15. Nf4 Qxc3+ 16. bxc3 Nc7 $18) (14... O-O-O $5 {At least the king is a bit safer in a poor position} 15. Nf4 Nc7 16. Nd3 Ng8 $18) 15. dxc5 {White is clearly winning.} Qc7 16. Nd4 (16. O-O-O $18) 16... Qxe5 17. O-O-O Rc8 (17... O-O-O 18. Qa3 Kb8 $18) 18. Kb1 Rxc5 19. Qb3 Nc7 (19... b6 20. Rhe1 $18) 20. Rhe1 {Black must now prevent Nxe6! not to mention Bxh6} Nf7 {[#]} 21. Nxe6 $1 {[%mdl 576] Discovered Attack} Qxe6 (21... Nxe6 22. Bxc5) 22. Bxc5 Be5 23. Bxf8 Kxf8 24. Bxd5 Nxd5 25. Qxd5 Qf6 26. Rf1 {Accuracy: White = 82%, Black = 29%.} 1-0