[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.1"]
[White "Esipenko, Andrey"]
[Black "Machinya Desire"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2683"]
[BlackElo "1638"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,67,22,34,-25,-14,-24,-25,-10,38,37,51,50,78,47,43,0,93,27,91,29,106,96,108,87,167,155,143,102,215,211,314,329,396,402,383,298,402,404,383,357,516,510,507,503,682,664,790,754,1138,1131,1100,1100]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. Be3 c5 9. Qd2 Bg4 10. Rb1 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} ({White should try} 10. Be2 $14) 10... Bxf3 $11 11. gxf3 cxd4 12. cxd4 {Black has an edge.} b6 13. Be2 {[#]} Nd7 $146 ({Predecessor:} 13... Nc6 14. d5 Ne5 15. f4 Nd7 16. O-O Rc8 17. Rfc1 Nc5 18. f3 Na4 19. e5 Rxc1+ 20. Rxc1 {½-½ (27) Koehnke,M-Unverricht,S Passau 1997}) 14. O-O Qc7 15. Ba6 Rad8 16. Rbc1 Qb8 {[#]} (16... Nc5 $1 $11) 17. Qc2 ({Better is} 17. Qb4 $1 $16) 17... Qd6 {[#]} (17... e5 $11 {remains equal.}) 18. Rfd1 (18. e5 $1 $16 {[%cal Re5d6]} Qa3 19. Bc4) 18... Nb8 (18... Qf6 $11) 19. Bf1 $36 {[%mdl 2048] White is on the roll.} Qd7 20. Qc7 f5 (20... Qa4 $16 {is a better defense.}) 21. Qxd7 $18 Rxd7 22. d5 h6 (22... f4 $16) 23. Bb5 Rdd8 (23... Rb7 {was called for.} 24. exf5 gxf5) 24. Rc7 fxe4 25. fxe4 a6 26. Be2 b5 27. Rxe7 Nd7 28. f4 Rfe8 (28... g5 $142 29. fxg5 hxg5) 29. Rxe8+ {White is clearly winning.} Rxe8 30. e5 Nb8 31. d6 Nd7 32. Bg4 Rd8 33. Bxd7 Rxd7 34. e6 {Accuracy: White = 66%, Black = 23%.} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Nihal Sarin"]
[Black "Schnabel, Johann Emil"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2620"]
[BlackElo "1744"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,-15,10,10,18,13,20,20,17,14,24,21,33,32,36,35,33,30,51,19,24,3,2,6,27,25,28,0,3,-95,17,20,56,0,75,83,114,106,450,439,536,312,339,303,1362,958,865,839]} 1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 Bg7 5. Nc3 O-O 6. g3 {A01: Nimzowitsch-Larsen Opening.} d6 7. Bg2 Nd7 8. e3 {The position is equal.} f5 9. Nge2 {[#]} Rb8 $146 ({Predecessor:} 9... Nf6 10. O-O h5 11. h4 Ng4 12. f4 c6 13. b4 Bd7 14. Rb1 Bf6 15. b5 Bxh4 16. gxh4 Qxh4 {0-1 (50) Lagarde,M (2657)-Henderson de la Fuente,L (2494) chess24.com INT 2019}) 10. O-O b6 11. Rc1 Bb7 12. Bxb7 Rxb7 13. d4 Nf6 14. Nf4 c6 15. Qf3 Rc7 16. b4 a6 17. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} Bh6 18. b5 (18. Rfd1 {is interesting.} Re8 19. c5 Rc8 20. b5 Bxf4 21. exf4 axb5 22. axb5 d5 23. Qd3) 18... Bxf4 19. Qxf4 (19. exf4 $11 {keeps the balance.} Qd7 20. bxa6) 19... axb5 (19... cxb5 $17 20. axb5 Rxc4) 20. axb5 $11 d5 21. cxd5 (21. bxc6 $14 Rxc6 22. Qf3) 21... cxd5 {[#]} (21... cxb5 $1 $11 22. Nxb5 (22. d6 $2 Rxc3 {[%mdl 64] Decoy} 23. Rxc3 Nd5 $19 {[%mdl 64] Double Attack}) 22... Nxd5) 22. Ne4 $1 $16 {[%cal Re4f6] Black must now prevent Nxf6+.} Rc4 23. Nd6 Rb4 $2 {[%mdl 8192] This move loses the game for Black.} (23... Rc7 $16 {is tougher.}) 24. Rc8 $18 Qd7 25. Rxf8+ Kxf8 26. Rc1 {[#] Strongly threatening Qh6+.} Ne4 $2 (26... Kg7 27. Rc7 Qxc7 28. Nxf5+ {[%mdl 64] Discovered Attack} gxf5 29. Qxc7 Rxb5) 27. Rc8+ Kg7 28. Ne8+ {Weighted Error Value: White=0.32/Black=0.60} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Sargsyan, Shant"]
[Black "Beukes, Dante M"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2596"]
[BlackElo "2206"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,2,2,-2,0,-2,10,6,20,8,12,1,18,10,14,5,126,73,213,207,201,215,213,217,226,220,219,208,214,218,320,295,317,275,311,310,341,347,350,355,339,333,366,359,365,367,372,367,415,413,409,397,404,398,431,423,415,407,693,691,816,825,865,864,6004,985,925,759,726,705,804,820,963,920,918,916,29997,5809,29996,29997]} 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. Nb5 Na6 6. e3 {D00: 1 d4 d5: Unusual lines.} c6 7. Nc3 Qa5 8. Qd2 {The position is equal.} O-O 9. h3 b5 {[#]} 10. Ne4 $146 ({Predecessor:} 10. Bd3 b4 11. Ne2 c5 12. c3 c4 13. Bb1 bxc3 14. Nxc3 Bb7 15. O-O Rac8 16. Qe2 {0-1 (63) Di Benedetto,D (2235)-Bivol,A (2371) Linares 2019}) 10... Qxd2+ 11. Nexd2 Nb4 12. Kd1 Bf5 {[#]} (12... Ne4 $11 {remains equal.} 13. Nxe4 dxe4) 13. c3 (13. a3 $142 $1 {[%cal Ra3b4]} Na6 14. a4) 13... Na6 {Now Black is done in.} (13... Ne4 $16) 14. a4 $18 Nb8 15. axb5 cxb5 16. Bxb5 Bd7 17. Bxd7 Nfxd7 18. Ke2 f6 19. Ra5 Nb6 (19... e6 {keeps fighting.} 20. Rha1 Nc6) 20. Bc7 N8d7 21. Bxb6 axb6 22. Rxd5 Rfd8 23. Nc4 Ra6 24. Nfd2 Kf7 25. f4 Bf8 26. g4 e6 27. Rb5 Rc8 28. g5 Be7 29. gxf6 Kxf6 30. h4 Kg7 31. h5 Bd8 32. hxg6 hxg6 33. Rg1 Nf6 (33... Bc7 $142 34. Rbg5 Nf8) 34. Ne5 Nd5 35. Rxg6+ {[%mdl 64] [#] Double Attack} Kh7 36. Rxe6 Ra2 37. Kd3 Nc7 38. Rexb6 Nxb5 39. Rxb5 Kg7 40. Ne4 Ra1 41. Nd6 Rca8 42. Rb7+ Kf6 43. Ke4 (43. Ne8+ $142 Ke6 44. Ng7+ Kf6 45. Rf7#) 43... Ke6 44. Nf5 {Accuracy: White = 90%, Black = 49%.} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Sonis, Francesco"]
[Black "Talukdar, Rohan"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2483"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,101,25,32,31,63,24,37,32,36,16,6,8,74,77,70,80,97,99,141,66,116,4,41,46,53,50,68,89,89,77,93,50,92,39,42,19,517,495,508,499,496,222,579,487,536,539,1143,481,481,481,481,481,481,476,476,474,478,478,477,470,514,486,703,700,911,894,864,802,1235,1180,1318,1304,1286,1275,1256,1236,1231,1170,5297,2826,29981,29982,29984,29982,29985,29985]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 e5 7. dxe5 Nfd7 8. O-O dxe5 9. e4 Nc6 10. Qe2 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32] [#]} 11. Rd1 $146 ({Predecessor:} 11. Nc3 b6 12. Rfd1 Ba6 13. Nb5 Qe7 14. c4 Nc5 15. Nc3 f6 16. Nd5 Qf7 17. Rab1 Rfb8 {½-½ (26) Schmitz,J (2320)-Thiede,L (2402) Germany 1999}) 11... a4 $1 12. Na3 {White is slightly better.} Qe7 13. Nc4 {With the idea Ba3.} a3 14. Bc3 b5 (14... Re8 $11 {remains equal.}) 15. Ne3 $16 b4 16. Nd5 $36 {[%mdl 2048] White is really pushing.} Qc5 17. Bd2 Nb6 18. Nxc7 (18. Qe1 $16) 18... Ra5 19. Rac1 ({Better is} 19. Nd5 $16) 19... Nd4 20. Nxd4 exd4 21. Nd5 $1 Nxd5 22. exd5 {Hoping for Qc4.} Bf5 23. Bg5 Ra7 24. Qd2 Rc8 25. Re1 (25. Bh6 $16) 25... h5 26. h3 Bxc2 $2 {[%mdl 8192] [#] This costs Black the game.} (26... Rd7 $11 {and Black has nothing to worry.}) 27. Be4 $18 d3 28. Bxd3 Qxd5 29. Bxc2 (29. Rxc2 $142 Rxc2 30. Re8+ (30. Qxc2 Qxg5 31. Re8+ Kh7 $11) 30... Bf8 31. Bxc2 {[%mdl 64] Discovered Attack} Qxd2 32. Bxd2) 29... Qa5 $2 (29... Qxd2 30. Bxd2 Bb2) 30. Qf4 Rac7 31. Bd3 {[#] Rxc7 is the strong threat.} Be5 32. Qxe5 (32. Rxc7 $142 Bxc7 33. Qf6) 32... Qxe5 33. Rxe5 Rxc1+ 34. Bxc1 Rxc1+ {[%mdl 4096] Endgame KRB-KR} 35. Bf1 Ra1 36. Re2 Kg7 37. f4 Kf6 38. g4 hxg4 39. hxg4 g5 (39... Rd1 $142 40. Kg2 g5) 40. f5 Rb1 41. Kf2 Ra1 42. Bg2 Kg7 43. Ke3 Kf6 44. Kd4 Rc1 45. Bd5 Rg1 46. Rg2 Rd1+ 47. Kc5 Ke5 48. Bxf7 Rb1 49. Bc4 {White mates.} Kf6 50. Kxb4 Rb2 51. Re2 {Accuracy: White = 65%, Black = 35%.} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Gholami Orimi, Mahdi"]
[Black "Sankalp Gupta"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2428"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,36,33,64,21,77,9,9,9,12,-3,0,-2,-8,-15,-16,-8,0,-13,0,0,8,18,12,-7,-17,-39,-7,-19,-5,-11,0,-21,12,18,39,39,29,33,25,25,26,24,42,37,317,321,292,291,334,329,316,292,307,311,383,382,344,0,333,252,254,266,247,238,292,279,254,215]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 Nbd7 6. Nf3 e5 7. O-O O-O 8. Be3 Qe7 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 9. Re1 c6 (9... exd4 $11 10. Bxd4 (10. Qxd4 Ng4 $15) 10... Re8) 10. Qd2 ({White should try} 10. d5 $16) 10... exd4 $11 {The position is equal.} 11. Bxd4 Nc5 {[#]} 12. e5 $146 ({Predecessor:} 12. Bf1 Nfxe4 13. Qc2 f5 14. b4 Bxd4 15. Nxd4 Ne6 16. Nxe6 Bxe6 17. Nxe4 fxe4 18. Qxe4 {1-0 (30) Svane,R (2549)-Deszczynski,A (2366) Warsaw 2016}) 12... dxe5 $1 13. Bxe5 {[#] Threatens to win with Bd6.} Rd8 14. Qf4 Nh5 15. Qe3 Bf5 16. Bf1 Bf8 17. Nd4 f6 18. Nxf5 Qxe5 19. Qxe5 fxe5 20. Ne3 Nf4 21. g3 Nfe6 22. Rad1 Nd4 {[#] And now ...Nf3+ would win.} 23. Kg2 h5 24. b4 $1 {[%cal Rb4c5]} Nd7 25. c5 a5 26. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} axb4 27. axb4 b6 28. Nc4 b5 29. Nxe5 Nc2 $2 {[%mdl 8192]} (29... Nxe5 $14 30. Rxe5 Bg7) 30. Nxc6 $18 Nxe1+ 31. Rxe1 Rdc8 32. Bxb5 Nf6 33. Ne7+ Bxe7 34. Rxe7 Kf8 35. Re6 Kg7 36. Re7+ $2 (36. Bc4 $18) 36... Kh6 $2 {[%mdl 8192]} (36... Kf8 $1 $11 {and Black is okay.} 37. Re6 Kg7) 37. h4 Ra3 38. Ne4 Nxe4 39. Rxe4 Kg7 40. Bd7 Rc7 41. c6 {Weighted Error Value: White=0.27/Black=0.40} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Sahidi, Samir"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2407"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,173,0,7,0,17,4,6,-25,-16,-12,13,-8,0,-15,0,0,0,0,0,-26,1,-6,24,0,23,0,31,9,9,11,23,24,35,20,20,20,20,20,20,20,20,18,39,22,26,26,29,11,11,8,18,18,18,18,20,18,18,18,18,18,30,30,30,30,30,30,30,30,54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 b5 5. O-O Bb7 6. Bf4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} Bd6 7. Nbd2 {[#]} O-O $146 ({Predecessor:} 7... Nbd7 8. e3 a5 9. Ne5 O-O 10. g4 Ne8 11. Bg3 c5 12. f4 f6 13. Nxd7 Qxd7 {0-1 (36) Admiraal,M (2173)-Petran,P (2369) Budapest 2009}) 8. Bxd6 Qxd6 9. c3 c5 10. Ne5 Nfd7 11. Ndf3 Nxe5 12. Nxe5 Nc6 13. Nxc6 Bxc6 14. a3 Rac8 15. Qd2 Bb7 16. Rfe1 cxd4 17. Qxd4 Qc5 18. Rad1 Qxd4 19. Rxd4 Rc4 20. e3 Rxd4 21. exd4 $11 {[%mdl 4096] Endgame KRB-KRB} Bc6 22. f4 g6 23. Kf2 a5 24. Ke3 Rb8 25. g4 Kg7 26. Kd2 Kf6 27. h4 Rg8 28. b4 Ra8 {Black wants to play ...axb4.} 29. Re3 a4 30. Ke2 Rh8 31. Re5 Rc8 32. Kf2 Bd7 33. Re3 Rh8 34. Kg3 h5 35. g5+ Kg7 36. Bf3 Bc6 37. Be2 Re8 38. Bd1 f5 39. gxf6+ ({Better is} 39. Kf3 $14) 39... Kxf6 {The position is equal.} 40. Bc2 Rc8 41. Kf2 Be8 42. Ke2 Rb8 43. Rg3 Rc8 44. Kd2 Rb8 45. Bd3 Rc8 46. Rg5 Rd8 47. Bf1 Rb8 48. Bh3 Bf7 49. Re5 Rb7 50. Kd3 Rb8 51. Kd2 Rb7 52. Rg5 Rb8 53. Bf1 Be8 54. Be2 Rd8 55. Bd3 Rb8 56. Re5 Rd8 57. Bf1 Rb8 58. Bh3 Bf7 59. Kd3 Rb6 60. Bg2 Rb8 61. Bf3 {Cut Off at move 61} Rb6 62. Kd2 Rb8 63. Be2 Be8 64. Bd3 Rd8 65. Re3 Rb8 66. Ke2 Rd8 67. Kf3 Rb8 68. Bf1 Bf7 69. Kg3 Rb6 70. Be2 Rb8 71. Bd3 Be8 72. Bc2 Rc8 73. Kf3 Bf7 74. Bd1 Be8 75. Be2 Rc7 76. Kf2 Rc8 77. Bf3 Bf7 78. Be2 Be8 79. Kg3 Rc7 80. Bf1 Rb7 81. Kf2 Rb8 82. Be2 Bf7 83. Bf1 Rb7 84. Bh3 Rb8 85. Ke2 Rb6 86. Kd2 Rb8 87. Re5 {Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Soto, Miguel Angel"]
[Black "Iniyan, P."]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2273"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,164,24,27,-16,-11,-21,0,-13,0,-20,0,-4,0,0,0,0,0,0,20,-41,-46,-41,-41,-42,-51,-109,-50,-96,-78,-92,-44,-65,68,49,39,39,67,3,22,22,22,22,22,22,22,22,23,23,27,8,8,0,30,40,88,60,101,81,86,8,8,8,8,0,0,0,0,0,0,0,0,-10,-10,-10,-10,-10,-10,-10,-10,-10,-10,-22,-22,-22,-22,-22,-22,-22,-22,-35,-35,-35,-35,-35,-35,-35,-35,-39,-39,-39,-39,-39,-39,-39,-35,-49,-49,-49,-49,-49,-39,-49,-49,-49,-35,-39,-16,-22,-22,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-128,-139,-139,-1906,-139,-1378,-1378,-4631,-583,-29968,-29966,-29969,-29961]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 Be7 9. a5 Nbd7 10. Be2 O-O 11. O-O b5 12. axb6 Nxb6 13. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} (13. Qd3 {looks sharper.} Rd8 14. Nd2 Bb7 15. Bf3 Nfd7 16. Qe2) 13... Nbxd5 14. exd5 Qb7 15. c4 {The position is equal.} Bf5 {[#]} 16. b3 $146 ({Predecessor:} 16. Nh4 Bd7 17. Rb1 Nxd5 18. Bf3 Bxh4 19. Qxd5 Qxd5 20. Bxd5 Rab8 21. b4 Be6 22. Rfd1 Bxd5 23. Rxd5 {0-1 (36) La Rocca,R (2059)-Kloss,H (2064) Germany 2012}) 16... Bd8 17. Ra4 Bc7 18. Nd2 Rfb8 19. Bf3 Bb6 20. Qe2 Nd7 21. Rfa1 (21. b4 $11) 21... Bxe3 $15 22. Qxe3 Nc5 23. R4a3 Qb4 24. h3 (24. Bd1 $15) 24... Bg6 (24... Bc2 $1 $17 25. R3a2 Bxb3) 25. R1a2 f5 26. Qg5 Qc3 27. h4 {White wants to play h5.} Nxb3 (27... f4 $1 $15 28. Qe7 Bc2 29. Qxd6 Qxd2 30. Qxc5 e4) 28. Nxb3 $14 Rxb3 29. Rxa6 Rf8 {Threatens to win with ...e4.} 30. h5 ({White should try} 30. Ra8 $14 Rb1+ 31. Kh2) 30... Rb1+ 31. Kh2 e4 32. hxg6 $40 {[%mdl 128] White mounts an attack.} exf3 33. Ra8 {White threatens Rxf8+ and mate.} Qe5+ 34. g3 {Threatening mate with Rxf8+.} Rbb8 35. gxh7+ Kh8 $1 36. R8a7 Qd4 37. Qf4 Qxf4 38. gxf4 $11 {[%mdl 4096] Endgame KRR-KRR} Rfe8 39. Kg3 Re4 40. Rc7 Rb1 41. Ra6 (41. Ra8+ $16 Kxh7 42. Rf8) 41... Rg1+ 42. Kxf3 Rg4 43. c5 dxc5 44. d6 Rexf4+ 45. Ke2 {Hoping for d7.} Rd4 46. d7 Kxh7 47. Ra8 Rge4+ 48. Kf1 Rd1+ 49. Kg2 Rg4+ 50. Kf3 Rgd4 51. Rxc5 g6 52. Ra6 Rxd7 53. Rcc6 Rg1 54. Rd6 Rb7 55. Rab6 Rg7 56. Rb4 Ra7 57. Rdb6 Kh6 58. Rb7 Ra2 59. Rb2 Raa1 60. Kf4 Ra4+ 61. Kf3 {Cut Off at move 61} Kh5 62. Rb1 Rgg4 63. R7b3 Rh4 64. Rb5 Ra3+ 65. Kg2 Rg4+ 66. Kf1 Rh3 67. Ke2 Re4+ 68. Kf1 $1 Rhh4 69. R1b3 Rh1+ 70. Kg2 Reh4 71. Rg3 (71. Rb8 $11 {remains equal.}) 71... R4h2+ $17 72. Kf3 Ra1 {And now ...Ra3+ would win.} 73. Rb8 {[%cal Rb8h8]} Ra3+ 74. Ke2 {[%cal Rb8h8]} Rxg3 75. Rh8+ Kg4 76. Rxh2 {KR-KR} Rg1 {...f4 is the strong threat.} 77. Rh6 {[#]} g5 $1 78. Ra6 $2 {[%mdl 8192] [#]} (78. Rg6 $17) 78... Rb1 $2 (78... f4 $1 $19 {[%cal Rf4f3] Strongly threatening ...f3+.} 79. Rf6 Ra1) 79. Ra3 $2 {[%mdl 8192] Loses the game.} (79. Ra5 $17) 79... f4 $19 80. Ra4 Kh3 {aiming for ...Kg2.} 81. Ra3+ Kg2 82. Ra2 Rf1 {Weighted Error Value: White=0.16/Black=0.14} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Hepler Ramirez, Narayana"]
[Black "Shevchenko, Kirill"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2117"]
[BlackElo "2592"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,133,17,18,35,30,27,29,25,26,41,12,0,9,0,0,0,0,0,0,15,-43,-45,-40,-42,-54,-18,-8,38,-44,21,-31,55,0,0,0,0,0,52,59,38,0,0,-7,0,-7,-7,-7,-7,-7,0,0,0,0,0,0,0,8,8,8,316,314,249,259,671,627,706,522,675,671,663,655,723,704,722,712,613,450,435,467,643,606,777,759,1008,995,1063,1041,2901,2791,2886,2698,1731,773,1013,755,1011,1231,1279,642,1067,771,29972,29969,29984,29985,29985,29986,29986,29985,29985,29986,29986,29987]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Bd7 11. O-O Qe8 12. b3 g5 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 13. Bg3 h5 14. f3 (14. Bxh5 $2 g4 $19) 14... h4 {White has an edge.} 15. Bf2 Nh5 {[#]} 16. a3 $146 ({Predecessor:} 16. g3 f6 17. Kg2 f5 18. exf5 Bxf5 19. Nde4 hxg3 20. hxg3 Qg6 21. Rh1 Nf6 22. Bd3 {½-½ (45) Andersen,J (2264)-Valente,D (2190) ICCF email 2017}) 16... Nf4 17. Rb1 Nc5 18. Re1 Ncd3 19. Bxd3 Nxd3 20. Rf1 b6 21. b4 (21. h3 $11) 21... axb4 $15 22. axb4 Ra3 23. Rb3 Rxb3 24. Qxb3 f5 25. c5 ({White should play} 25. Nb5 $14 Bxb5 26. Qxd3) 25... h3 (25... bxc5 $15 26. bxc5 h3) 26. g3 (26. g4 $1 $11) 26... fxe4 (26... bxc5 $15 27. bxc5 Qa8) 27. Ncxe4 (27. c6 $1 $14 Nxf2 28. cxd7 Qxd7 29. Kxf2 (29. Rxf2 $2 e3 $19 {[%mdl 64] Double Attack})) 27... Nxf2 $11 28. Rxf2 bxc5 29. bxc5 Qb8 (29... g4 $11) 30. Qxb8 $14 Rxb8 31. c6 Bc8 32. Nc4 {Strongly threatening Ra2.} g4 33. Rb2 Rxb2 34. Nxb2 gxf3 $11 {[%mdl 4096] Endgame Threatens to win with ...Bf5. KBB-KNN} 35. Kf2 Bg4 36. Nc4 {Na3 is the strong threat.} Kf7 37. Ne3 Bc8 38. g4 Kg6 39. Kxf3 Bh6 40. Nf5 {aiming for Ne7+.} Bf8 $2 {[%mdl 8192] Loses the game.} (40... Bxf5 41. gxf5+ Kf7 42. Nxd6+ $1 {[%mdl 512]} Ke7 43. Nb5 $18) (40... Ba6 $1 $11 {and Black is okay.}) 41. Nh4+ $18 Kf7 42. Kg3 Ba6 $2 (42... Be7 43. Nf5 (43. Kxh3 Ba6 $16) 43... Ba6) 43. Ng5+ {[%mdl 64] Double Attack} Kf6 {[#]} 44. Ne6 $1 {[%mdl 64] Double Attack} Bh6 45. Nxc7 Bf4+ 46. Kxh3 Bf1+ 47. Ng2 Ke7 48. Ne6 Bd2 49. Kg3 Bc4 50. Nc7 Kd8 51. Na8 ({Weaker is} 51. Ne6+ Kc8 $14) 51... Ba5 52. Ne3 Bd3 53. h4 Be1+ 54. Kf3 Bxh4 55. Nf5 {[%mdl 64] Double Attack} e4+ 56. Kf4 Be1 57. g5 (57. Nxd6 $142 Ke7 58. Nxe4) 57... Bd2+ 58. Ne3 Bc3 59. g6 Ke7 60. c7 Ba6 61. Nf5+ {Cut Off at move 61} Kf6 62. g7 {White mates.} Be5+ 63. Kxe4 Kf7 64. Nb6 Bxg7 65. Nxg7 Kxg7 66. c8=Q Bxc8 67. Nxc8 {Weighted Error Value: White=0.17/Black=0.39} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Schnabel, Johann Emil"]
[Black "Nihal Sarin"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1744"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,6,15,10,22,17,31,0,14,0,0,-6,0,-32,0,-22,-16,-22,-12,-46,-41,-125,-123,-147,-151,-483,-476,-578,-570,-1039,-960,-29992,-29993,-29996,-29997]} 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. h3 d6 5. Nc3 Nf6 6. Bd3 O-O 7. O-O Nbd7 8. Be3 {8.e5 is the modern continuation.} e5 9. dxe5 {B08: Pirc Defence: Classical System.} dxe5 10. Qc1 Qe7 11. Bh6 {[#] White is slightly better.} Nh5 $146 ({Predecessor:} 11... Nc5 12. a3 Nxd3 13. cxd3 Rd8 14. Bxg7 Kxg7 15. Qg5 Rxd3 16. Nxe5 h6 17. Qf4 Rd8 {0-1 (28) Linart,L (845)-Bolio,M (800) LSS email 2011}) 12. Bxg7 Kxg7 13. Ne2 Re8 14. Nh2 Qh4 15. Qe3 Nf4 16. Nf3 Qf6 17. Nxf4 exf4 18. Qd4 {[#]} ({White should play} 18. Qd2 $15) 18... Ne5 $1 $17 {[%cal Re5f3] White must now prevent ...Nxf3+.} 19. Nxe5 Rxe5 20. Rad1 $2 {[#]} (20. h4 $17 {was the crucial defense.}) 20... Bxh3 $1 $19 {[%mdl 512]} 21. f3 {[#]} (21. gxh3 Rg5+) 21... Bxg2 $1 {[%mdl 512]} 22. Qf2 (22. Kxg2 Rg5+) 22... Bh3 23. Kh2 Rh5 24. Rh1 Qg5 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.98/Black=0.04} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Machinya Desire"]
[Black "Esipenko, Andrey"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1638"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,66,-6,-13,-8,-10,0,-5,-2,-23,-17,-34,-33,-48,-31,-60,-55,-92,-81,-124,-130,-131,-112,-121,-111,-115,-119,-103,-88,-110,-122,-193,-212,-341,-160,-185,-193,-183,-172,-171,-170,-177,-160,-185,-166,-243,-222,-371,-386,-440,-423,-546,-382,-589,-589,-1181,-1187,-1588,-1552]} 1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. d3 Bc5 5. Bg2 d6 6. O-O O-O {C44: Ponziani Opening and Scotch Gambit.} 7. c3 a5 8. Nbd2 h6 {[#] The position is equal.} 9. Qe2 $146 ({Predecessor:} 9. Nc4 Re8 10. Ne3 Bd7 11. Ne1 Ne7 12. d4 Ba7 13. N1c2 exd4 14. cxd4 Ng6 15. f3 {½-½ (68) Helemae,H (2169)-Parente,A (2088) ICCF email 2017}) 9... Be6 10. h3 Re8 11. Re1 d5 12. Nf1 d4 13. c4 a4 14. Qd1 Qb8 15. g4 Nd7 16. Ng3 f6 17. Nh4 b5 18. cxb5 Qxb5 {Threatens to win with ...Nb4.} 19. Nhf5 Bf8 {White must now prevent ...Nb4.} 20. Bf1 (20. h4 $17) 20... Nb4 $19 21. a3 (21. h4 $142) 21... Na2 (21... Bb3 $19 {and Black stays clearly on top.} 22. Qe2 Nc2 {[%mdl 64] Double Attack}) 22. Re2 Nxc1 23. Rxc1 Rac8 24. f3 c5 25. Rf2 Rb8 26. Qd2 Kh7 27. f4 (27. Rc2 {is a better defense.}) 27... g6 28. Nh4 {[#]} (28. fxe5 $142 Nxe5 29. Nh4) 28... exf4 $1 29. Ne2 g5 30. Nf5 Ne5 31. Nexd4 (31. Nxf4 $142 gxf4 32. Qxf4) 31... cxd4 {Black is clearly winning.} 32. Nxd4 Qb6 33. Nf5 Nf3+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.69/Black=0.16} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.3"]
[White "Shevchenko, Kirill"]
[Black "Hepler Ramirez, Narayana"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2592"]
[BlackElo "2117"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,92,-5,18,22,20,2,17,14,32,29,25,20,53,32,41,0,0,0,0,-10,-14,-45,0,0,0,0,55,56,58,52,55,0,0,0,10,0,0,0,0,0,31,27,6,0,6,9,125,132,114,116,234,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. dxc5 Qxc5 $1 {6...Qxc5 is better than 6...Qxd1+.} 7. h3 {B22: Sicilian: 2 c3.} Bh5 8. Na3 e6 9. Be3 Qa5 10. Nc4 {[#]} Qc7 $146 ({Predecessor:} 10... Qd5 11. Qb3 Bxf3 12. gxf3 b5 13. Nd2 a6 14. Rg1 Nbd7 15. Rg5 Qb7 16. f4 h6 {1-0 (43) Rabiega,R (2515)-Dauth,B (2322) Berlin 2010}) 11. Qa4+ Nbd7 12. Nfe5 {Threatens to win with g4.} Bc5 $1 {[%cal Rc5e3]} 13. Nxd7 Nxd7 14. g4 Bg6 15. Rd1 {[#] Hoping for Bxc5.} O-O-O 16. Bg2 Nb6 17. Rxd8+ Rxd8 18. Qxa7 Nxc4 (18... Bxe3 $11 19. Nxe3 Bd3) 19. Bxc5 $14 Qe5+ 20. Be3 {[%csl Gg2][%cal Ra7b7]} Be4 21. O-O ({Better is} 21. Bxe4 $1 $14 Qxe4 22. Qc5+ Kd7 23. O-O) 21... Bxg2 $11 22. Kxg2 Qe4+ 23. Kg3 Rd3 24. Qc5+ Kd7 $1 25. Re1 f5 26. gxf5 exf5 {Strongly threatening ...f4+.} 27. Qb5+ Ke7 {White must now prevent ...f4+.} 28. Kh2 Nxe3 (28... Kf7 $1 $11) 29. Rxe3 $16 Rxe3 {[#]} 30. Qc5+ $1 ({Reject} 30. fxe3 $6 Qxe3 31. Qxb7+ Kf6 $11) 30... Ke6 (30... Kf7 $16 {is a better defense.} 31. Qxe3 (31. fxe3 g5 $11) 31... Qc2) 31. fxe3 $2 $18 {[%mdl 4096] Endgame KQ-KQ} (31. Qxe3 $18 Qxe3 32. fxe3) 31... Qc2+ $11 {The position is equal.} 32. Kg3 {And now Qb6+ would win.} Qxb2 33. Qc8+ Ke5 34. Qc7+ Kf6 35. a4 Qe2 36. Qd6+ Kf7 37. Qd5+ Kf6 38. Qd4+ Kf7 39. Qd7+ Kf6 40. Qd8+ Kf7 41. Qc7+ Kf6 42. Qb6+ Ke5 43. Qd4+ Ke6 44. Qb6+ Ke5 45. Qd4+ Ke6 46. Qb6+ Ke5 {Weighted Error Value: White=0.11/Black=0.17} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.3"]
[White "Sonis, Francesco"]
[Black "Talukdar, Rohan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2483"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,90,14,15,17,-12,-12,-32,-31,-47,-43,-63,-37,-44,-48,-49,-52,-75,-35,-45,-45,-72,-63,-106,-50,-137,-135,-138,-127,-119,-127,-143,-131,-147,-145,-187,-179,-172,-150,-172,-129,-145,-162,-142,-39,-39,-39,-39,-39,-39,-39,-39,0,-96,0,-268,-244,-253,-39,-46,0,0,0,0,0,0,0,0,271,261,315,313,331,294,29989,29990,29990,29991,29991,29992,29999]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c3 b6 7. Nbd2 {7.a4 is the hot move.} Bb7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 8. Ne5 Nbd7 9. Nd3 c5 {[#] Black is slightly better.} 10. e3 $146 ({Predecessor:} 10. b3 Qc7 11. Bb2 e5 12. dxe5 Nxe5 13. Qc2 Nc6 14. Rfe1 Rfe8 15. e4 Nxe4 16. Nxe4 dxe4 {0-1 (30) Krasevec,V (2065)-Kukovec,B (2198) Ljubljana 2005}) 10... Qc7 11. Re1 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. a4 a6 15. Qb3 Qe6 16. a5 b5 17. Qa3 Qe7 ({Black should play} 17... Nd7 $17 18. Nf3 Rfe8) 18. Nb3 (18. b4 $15) 18... Rac8 $17 19. Bd2 Ne4 20. Rad1 Rfd8 21. Bc1 h5 22. Nd2 h4 23. Nf3 hxg3 24. hxg3 g5 25. Qb3 Rd6 26. Qc2 Rh6 27. Nd2 g4 (27... f5 $17 {aiming for ...Qf7.} 28. Nxe4 fxe4) 28. Nxe4 $15 dxe4 29. c4 b4 30. b3 Bc3 31. Bd2 Be5 32. Bc1 (32. Bxe4 $11 Bxg3 33. Bxb7 Bxf2+ 34. Kxf2 Rh2+ 35. Bg2 (35. Kg1 Qh4 $11) 35... Qh4+ 36. Kg1 Rxg2+ 37. Kxg2 Qh3+ 38. Kg1 Qg3+ 39. Kh1 Qh3+ 40. Kg1 Qg3+ 41. Kh1 Qh3+ 42. Kg1) 32... Bc3 (32... Bc7 $17 33. Bb2 f5) 33. Rf1 $2 {[%mdl 8192]} (33. Bd2 $11) 33... Qe5 $19 34. Bd2 Bxd2 $2 (34... Qh5 $19 {[%csl Gh6][%cal Rh5h2]} 35. Rfe1 Be5) 35. Qxd2 {White wants to play Qd7.} Kg7 {Strongly threatening ...Rch8.} 36. Qd7 Rch8 {( -> ...Qh5)} 37. Qxg4+ ({Wrong is} 37. Qxb7 $2 Rh1+ $1 {[%mdl 512]} 38. Bxh1 Qh5 $19) 37... Rg6 38. Qf4 Qh5 {[%csl Gh8][%cal Rh5h2]} 39. Rfe1 $1 Bc8 $2 {[%mdl 8192] [#]} ({Not} 39... Rg4 $2 40. Qc7 $18) (39... Rf6 $1 $11 {and Black is okay.} 40. Qc7 Bc8) 40. Rd5 $1 $18 {[%cal Rd5h5]} Qh2+ 41. Kf1 Bg4 42. Qxe4 f5 $2 (42... Rh5 $18 43. Rc1 Rhg5) 43. Rd7+ {White mates.} Kh6 44. Qf4+ Kh5 45. f3 Bh3 46. Qh4# {What a fight!  Weighted Error Value: White=0.27/Black=0.53} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.4"]
[White "Beukes, Dante M"]
[Black "Sargsyan, Shant"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2206"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,32,26,37,50,35,20,17,8,23,25,12,18,-26,0,-63,-41,-58,-21,-29,-29,-22,11,0,0,0,2,0,-10,-8,-12,-21,62,-55,85,80,91,110,109,106,105,107,97,97,99,51,50,50,57,18,12,13,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,-29973,-29974]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. d4 b5 6. Bb3 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann.} exd4 7. Nxd4 Na5 8. c3 {The position is equal.} Bg7 9. O-O Bb7 {[#]} 10. Re1 $146 ({Predecessor:} 10. Bc2 Ne7 11. a4 c5 12. Nf3 d5 13. exd5 Qxd5 14. Qe2 Qc4 15. Bd3 Qg4 16. axb5 {1-0 (32) Bellia,F (2421)-Marchesich,G (2063) Forni di Sopra 2020}) 10... Ne7 11. Nd2 O-O 12. N2f3 ({White should try} 12. Bc2 $11) 12... c5 $15 13. Ne2 $1 Nxb3 14. axb3 Bxe4 15. Ng3 Bc6 16. Bg5 f6 17. Bf4 $1 d5 18. Qe2 Rf7 19. Qe6 $36 {[%mdl 2048] Bd6 is the strong threat. White has good play.} Qb6 20. Be3 Re8 (20... d4 $11 21. cxd4 Qb7) 21. Qd6 {[#]} (21. b4 $14) 21... Nc8 (21... d4 $1 $15 {[%mdl 512] stays ahead.} 22. cxd4 Qb7) 22. Qxc5 $16 Qxc5 23. Bxc5 Rxe1+ 24. Rxe1 a5 25. Nd4 Bd7 26. Nge2 Bh6 27. f4 a4 28. g3 Bf8 29. Bxf8 Kxf8 30. Nc1 Re7 31. Rxe7 Kxe7 $11 {[%mdl 4096] Endgame KBN-KNN} 32. Nd3 Kd6 33. Kf2 Nb6 34. Ke3 axb3 35. Nxb3 Bf5 36. Nd4 Nc4+ 37. Ke2 Bxd3+ 38. Kxd3 Nxb2+ {KN-KN} 39. Kc2 Nc4 40. Nxb5+ Kc5 41. Nd4 Ne3+ 42. Kd3 Ng4 43. Nf3 Nf2+ 44. Ke2 Ne4 45. Kd3 Kd6 46. Kd4 Nc5 47. c4 Ne6+ 48. Kc3 Kc5 49. cxd5 Kxd5 50. Kd3 Nc5+ 51. Ke3 Ne4 52. Nd4 Nf2 53. Nf3 Nd1+ 54. Ke2 Nc3+ 55. Kd3 Ne4 56. Ke3 Nc5 57. Nd2 Ke6 58. g4 Kd5 59. h4 Nd7 60. Ne4 Ke6 61. Kd4 h6 62. Nc5+ Nxc5 63. Kxc5 h5 (63... f5 $5 64. g5 $8 hxg5 65. hxg5 Ke7 $11) 64. f5+ Kf7 65. fxg6+ $2 {[%mdl 8192] [#]} (65. gxh5 $11 gxf5 66. Kd4) 65... Kxg6 {Weighted Error Value: White=0.23/Black=0.08} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.5"]
[White "Iniyan, P."]
[Black "Soto, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2506"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,115,16,0,0,-7,27,32,33,0,0,-9,-9,-9,-9,-9,-9,-9,-8,-9,-8,-16,79,0,0,-10,-13,-24,-12,-14,14,27,41,43,60,60,64,54,122,94,106,0,0,11,166,154,125,23,181,169,210,167,250,238,253,144,145,120,114,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. e3 h6 9. Bh4 d6 10. f3 Nbd7 11. Bd3 c5 12. Ne2 Rc8 13. Qd2 cxd4 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 14. exd4 d5 15. cxd5 Bxd5 {White is slightly better.} 16. O-O Bc4 17. Rac1 Bxd3 18. Qxd3 Rxc1 19. Rxc1 Qa8 {[#]} 20. Rc7 $146 ({Predecessor:} 20. Qa6 Qd5 21. a4 Re8 22. Qb5 Qb7 23. Qc6 Qa6 24. Kf2 Qd3 25. Qb5 Qxb5 26. axb5 {0-1 (36) Ljubojevic,L (2571)-Salgado Lopez,I (2615) Linares 2015}) 20... Rc8 21. Qc4 Rxc7 22. Qxc7 Qd5 (22... g5 $11 {remains equal.} 23. Bg3 Qd5) 23. Qc8+ ({Much worse is} 23. Qxa7 $6 Qb5 $11) (23. Bxf6 $16 {And now Nc3 would win.} Nxf6 24. Qb8+ (24. Qxa7 Qb5 $11) 24... Kh7 25. Qxa7) 23... Kh7 24. Qc2+ g6 25. b3 Qa5 26. a4 Qf5 (26... Kg7 {feels hotter.} 27. Bg3 Nd5 28. Kf2 Qb4 29. Qc8 N7f6) 27. Qxf5 gxf5 $11 {[%mdl 4096] Endgame KBN-KNN} 28. Nc3 a6 29. Kf2 Kg6 30. Ke3 Nb8 {[#]} (30... Kg7 $14) 31. d5 $1 $16 e5 32. Bxf6 (32. d6 $16) 32... Kxf6 {KN-KN} 33. g4 fxg4 $2 (33... Nd7 $11) 34. fxg4 $18 Kg5 {[#]} 35. Kf3 (35. Ke4 $1 $16 {[%cal Re4e5]} Nd7 36. Kf3) 35... Nd7 $2 (35... f5 $11) 36. Ne4+ Kh4 37. b4 f6 (37... a5 $142) 38. Nd6 Kg5 39. a5 (39. Nf5 $18) 39... bxa5 $16 40. bxa5 h5 41. h3 (41. gxh5 $16 {Threatens to win with Ne8.} Kxh5 42. Ne8) 41... hxg4+ $11 {The position is equal.} 42. hxg4 Nc5 43. Ne4+ Nxe4 44. Kxe4 {Intending d6 and mate. K3P-K3P} Kg6 45. d6 {White wants to mate with d7.} Kf7 {...Ke6 is the strong threat.} 46. Kd5 Ke8 47. g5 fxg5 {( -> ...g4)} 48. Kxe5 {KPP-KPP} Kd7 49. Kf5 Kxd6 50. Kxg5 {KP-KP} Kc5 51. Kf4 Kb5 52. Ke3 Kxa5 {KP-K} 53. Kd2 Kb4 54. Kc1 Kb3 55. Kb1 a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 56. Ka1 a4 57. Kb1 a3 58. Ka1 a2 {White really could win this.  Weighted Error Value: White=0.21/Black=0.24} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.6"]
[White "Talukdar, Rohan"]
[Black "Sonis, Francesco"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2341"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,105,7,26,0,0,0,8,0,0,0,0,-16,0,0,-17,-37,-19,-39,-34,-58,-56,-96,-64,-152,-176,-170,-146,-146,-119,-152,-101,-81,-94,-131,-51,-71,-71,-81,-71,-86,-91,-129,-138,-131,-35,-27,0,-65,-33,-40,-40,-40,-40,-54,-16,-16,-28,-50,-45,-45,-45,-57,0,-36,29974,29976,29976,29977,29976,29977,29979,29980,29981,29982,29982,29983,29984,29983,29985,29986,29991,29992,29994,29995,29995,29996,29996,129]} 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. d4 Bg4 10. Be3 Bh5 11. h3 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4.} exd4 ({Avoid the trap} 11... Nxe4 $2 12. Bd5 $18) 12. cxd4 Na5 13. Nbd2 {The position is equal.} Nxb3 14. axb3 Qd7 {[#]} 15. Bf4 $146 ({Predecessor:} 15. d5 Bg6 16. Bf4 c6 17. dxc6 Qxc6 18. Nd4 Qb7 19. Nf5 Bxf5 20. exf5 Rfe8 21. Bg5 {½-½ (43) Jones,G (2677)-Vitiugov,N (2726) Batumi 2018}) 15... c5 16. g4 Bg6 17. dxc5 dxc5 18. Ne5 Qe6 19. Qf3 Rad8 20. Rad1 h6 21. Nxg6 (21. Qe2 $15) 21... fxg6 $17 22. Qg3 g5 23. Be5 Rd7 24. Bxf6 Bxf6 ({Not} 24... gxf6 25. Nf1 $11) (24... Rxf6 $142 25. Qe3 Rf4) 25. e5 Be7 {Threatens to win with ...Rfd8.} 26. Ne4 Rfd8 (26... Rxd1 $17 27. Rxd1 Rf4) 27. Nd6 Bxd6 28. exd6 Qf6 {[%cal Rd7d6]} 29. Rd5 Rxd6 30. Rxc5 Rd3 31. Re3 Rxe3 (31... Qxb2 $17 32. Rxd3 Qb1+ {[%mdl 64] Double Attack} 33. Kg2 Qxd3 34. Qxd3 Rxd3) 32. Qxe3 $15 Qxb2 $17 {[%mdl 4096] Endgame KQR-KQR} 33. Qe6+ ({Better is} 33. Rc6 $11) 33... Kh7 34. Qf5+ Kh8 35. Rc8 {[%cal Rc8d8] [#]} Qd4 36. b4 Qd1+ 37. Kg2 Qd6 38. Rxd8+ Qxd8 $11 {KQ-KQ} 39. Qe6 Qa8+ 40. f3 Qb7 ({Black should try} 40... Qf8 $15) 41. Kf2 {Strongly threatening Qe8+.} Kh7 $2 {[%mdl 8192] [#]} (41... Qa7+ $15 42. Kg2 Kh7) 42. Qe4+ $1 {White mates.} Qxe4 43. fxe4 {KP-KP} Kg6 44. Ke3 h5 45. Kd4 hxg4 46. hxg4 Kf6 47. Kd5 g6 48. Kd6 Kf7 49. e5 Ke8 50. e6 Kd8 51. e7+ Ke8 52. Ke6 a5 53. bxa5 {Never resign too early! Accuracy: White = 82%, Black = 61%.} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.7"]
[White "Wang, Justin"]
[Black "Sahidi, Samir"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2447"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,71,62,54,83,83,95,81,79,79,134,121,121,117,133,132,138,125,166,143,151,149,224,225,220,245,238,245,478,466,416,427,499,495,484,487,738,744,997,997,990,952,1122,1103,1586,1501,29992,29993,29994,29995]} 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 cxd4 12. cxd4 Nc6 13. Nc3 $1 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32] 13.Nc3 scores better than 13.d5.} Bb7 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7.} 14. d5 Na5 15. Ne2 {[#]} Qd7 $146 {White is better.} ({Predecessor:} 15... Bc8 16. Ng3 Bd7 17. a4 b4 18. Nxe5 dxe5 19. d6 Be6 20. dxe7 Qxe7 21. Nf5 Qc7 {1-0 (54) Fonseca Rodriguez,Y (2032)-Herrera Diaz,L San Nicolas de Bari 2009}) 16. b3 Rfc8 (16... Rfb8 $142) 17. Bd2 Bd8 18. Ng3 Bb6 19. Bd3 g6 20. a4 Kg7 21. Ra3 Qc7 22. Ra2 ({Reject} 22. axb5 $6 Bxf2+ 23. Kxf2 Qc5+ 24. Re3 Qxa3 $11) 22... Nxd5 (22... Nd7 $16) 23. exd5 $18 Bxd5 24. Rb2 ({Stronger than} 24. axb5 Bxb3 25. Qb1 Bxa2 $17) 24... bxa4 25. bxa4 Nc4 $2 {[#]} (25... Rab8 {was necessary.}) 26. Bxc4 Bxc4 27. Bb4 Bc5 28. Bxc5 Qxc5 29. Ne4 Qa3 (29... Qc7 $142 30. Nxd6 Rd8) 30. Rb7 Rd8 31. Re3 Qa2 32. Nfg5 h6 33. Nc3 Qa3 34. Nd5 Bxd5 35. Qxd5 Qc1+ 36. Kh2 {Black got outplayed after the opening.  Weighted Error Value: White=0.04/Black=0.67} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.8"]
[White "Sankalp Gupta"]
[Black "Gholami Orimi, Mahdi"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "2429"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,132,23,8,39,38,46,50,35,25,27,27,22,0,0,0,0,0,0,0,0,0,0,0,0,-20,-4,-44,-27,-10,-7,-7,0,-14,-11,-12,-14,-18,-18,-19,-22,-20,-8,-9,-4,-24,0,0,0,0,38,-110,-99,-106,-76,-198,-191,-259,-258,-229,-197,-270,-264,-277,-262,-258,-257,-257,-256,-251,-241,-240,-241,-256,-249,-250,-230,-296,-170,-175,-75,-226,-211,-208,-205,-223,-215,-573,-566,-554,-517,-465,-412,-329,-168,-1272,-1160,-1413,-1382,-1124,-1183,-1377,-1420,-29975,-29974,-29982,-29983,-29991,-29992]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 Bf5 {13...Bf5 is better than 13...Qh4.} 14. Qf3 Qh4 {C89: Closed Ruy Lopez: Marshall Attack.} 15. g3 Qh3 16. Be3 Bxd3 {White is slightly better.} 17. Nd2 Qf5 18. Bd4 Rfe8 {[#]} 19. Bxd5 $146 ({Predecessor:} 19. a4 h6 20. a5 Kf8 21. Qxf5 Bxf5 22. Bxd5 cxd5 23. b4 f6 24. f3 Kf7 25. Kf2 {½-½ (39) Kryvoruchko,Y (2669)-Aronian,L (2758) Douglas 2019}) 19... cxd5 20. Qxf5 Bxf5 21. f3 a5 22. Kf2 f6 23. Nf1 Kf7 24. Ne3 Be6 25. f4 b4 26. Kf3 h5 27. Rac1 Rac8 28. Red1 g6 29. Rd3 Rc6 30. Rcd1 Rb8 31. R3d2 a4 32. cxb4 Bxb4 33. Rd3 Rbc8 34. a3 Ba5 35. Kf2 Rc2+ 36. Nxc2 Rxc2+ 37. Kg1 Bf5 38. Bc3 {[#]} (38. b4 $14 {keeps the upper hand.} Bxd3 39. bxa5) 38... Bb6+ $1 $17 39. Bd4 Bxd3 40. Bxb6 {[%mdl 4096] Endgame KRB-KRB} (40. Rxd3 $17 Rxb2 41. Bxb6 Rxb6 42. Rd4) 40... Be4 $19 ({Resist} 40... Rxb2 41. Rxd3 Rxb6 42. Rd4 $17) 41. Bd4 (41. f5 $142) 41... Rg2+ 42. Kf1 Rxh2 43. Bf2 (43. Ke1 $142) 43... g5 44. fxg5 fxg5 45. Rd4 h4 46. gxh4 gxh4 {And now ...h3 would win.} 47. Rxa4 Rh1+ 48. Ke2 h3 {Threatens to win with ...h2.} 49. Ra8 {intending Rh8.} Rb1 50. Rh8 Rxb2+ 51. Ke1 Rb3 (51... Bf5 $142 52. Rh4 Kg6) 52. a4 Ra3 (52... Bf5 $19 {and Black stays clearly on top.} 53. Rh4 Rb2) 53. a5 $2 (53. Bc5 $17 Ra1+ 54. Kf2) 53... Ra1+ 54. Kd2 Ra2+ ({And not} 54... Rxa5 55. Rxh3 Ra2+ 56. Ke1 $11) 55. Ke1 Bf5 56. Rh5 $2 (56. Rh6 {is tougher.}) 56... Kg6 57. Rh8 Rxa5 58. Ke2 Ra2+ 59. Kf3 Rd2 (59... Ra4 $142 60. Bg1 d4) 60. Kg3 $2 (60. Be3 Rd3 61. Ke2) 60... d4 61. Rg8+ Kf7 62. Rg5 Kf6 63. Rg8 d3 64. Rd8 Re2 {Black mates.} 65. Rd4 {[#]} h2 $1 66. Rh4 (66. Kxh2 Rxf2+) 66... d2 {Accuracy: White = 61%, Black = 80%.} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.1"]
[White "Esipenko, Andrey"]
[Black "Gholami Orimi, Mahdi"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2683"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,122,9,0,0,0,0,0,0,0,2,8,7,0,0,-10,-12,-6,-7,-16,-14,-14,-11,-20,-6,-14,-7,-14,-8,-16,0,-26,-6,-5,-5,-7,-6,-7,-7,-7,-7,-7,-9,-21,-33,-99,-78,-96,-101,-100,-107,-143,-72,-65,-68,-74,-89,-143,-133,-137,-132,-120,0,0,0,0,0,-19,0,0,0,0,0,0,0,-8,-8,-21,-8,-9,0,-11,-17,-15,-17,-726,-713,-689,-677,-647,-612,-3305,-2905,-29978,-29979,-29974,-29975,-29974,-29975,-29975,-29976,-29978,-29978]} 1. c4 f5 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 d6 7. O-O c6 8. d5 e5 9. dxe6 Bxe6 10. b3 Na6 11. Bb2 Qe7 12. Qc2 d5 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6.} 13. cxd5 Nxd5 14. Nxd5 Bxd5 {The position is equal.} 15. Bxg7 Kxg7 16. Rfd1 Rad8 17. Ne1 Nc7 {[#]} 18. Qb2+ $146 ({Predecessor:} 18. Bxd5 Nxd5 19. e3 c5 20. Qc4 Nf6 21. Nd3 b6 22. Nf4 Rde8 23. Nd5 Nxd5 24. Rxd5 Rd8 25. Rad1 Rxd5 26. Qxd5 Rf7 27. Rd2 {½-½ (27) Schwarz,P (2270)-Kalinitschew,S (2430) Wiesbaden 1991}) 18... Qf6 19. Qxf6+ Kxf6 20. Nd3 Bxg2 21. Kxg2 Ne6 22. Kf1 Rd5 23. Rdc1 Rfd8 24. h4 h6 25. Rc4 Rd4 26. Rc3 g5 27. hxg5+ hxg5 28. Kg2 Rh8 29. Rcc1 Rdd8 30. Rh1 Nd4 31. Rxh8 Rxh8 $11 {[%mdl 4096] Endgame KRN-KRN} 32. e3 Ne6 33. Kf3 (33. Rd1 $15) 33... g4+ $17 34. Ke2 Ng5 $1 35. Rc1 Rh2 $1 36. Kf1 {[#]} Ne4 (36... Rh1+ $142 $1 37. Ke2 Rxc1 38. Nxc1 Ke5) 37. Kg1 Rh7 38. Nc5 Ng5 {Strongly threatening ...Nf3+.} 39. Rd1 ({Better is} 39. Rc2) 39... Nf3+ 40. Kf1 b6 41. Nd3 Rd7 (41... Rh1+ $17 42. Ke2 Rxd1 43. Kxd1 Ng5) 42. Ke2 $11 c5 43. Rh1 Kg7 44. Rh5 Kg6 45. Rh8 Kg7 46. Rc8 Ng5 47. Ne5 Rd5 48. Nc4 Ne4 {And now ...b5 would win.} 49. a4 Nc3+ 50. Kf1 Rd1+ 51. Kg2 Ne4 52. Rc7+ {[%mdl 64] Double Attack} Kf6 53. Rxa7 $2 {[%mdl 8192] [#] This move loses the game for White.} (53. f3 $11 gxf3+ 54. Kxf3) 53... Ng5 $1 $19 {[%cal Rg5f3] ( -> ...Nf3)} 54. f4 gxf3+ 55. Kf2 Rh1 56. Nd6 Rh2+ 57. Kg1 f2+ {Black mates.} 58. Kf1 Nh3 59. Rf7+ Ke6 60. Rxf5 Kxd6 61. Ke2 Rh1 {Weighted Error Value: White=0.46/Black=0.05} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.1"]
[White "Iniyan, P."]
[Black "Sargsyan, Shant"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2506"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,24,38,31,33,27,42,11,63,60,66,14,56,55,61,77,62,54,74,73,67,61,69,53,52,72,74,60,59,58,112,112,112,112,112,102,261,272,269,265,277,284,264,265,265,265,315,330,325,318,393,389,501,507,463,449,996,985,29989,1029,1095,1095,29996,29997,29997,29998,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. h3 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} g5 7. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Bg7 8. Nf1 {White is slightly better.} Ne7 (8... d5 $11 9. exd5 Nxd5) 9. Ng3 $14 {[#]} Ng6 $146 ({Predecessor:} 9... O-O 10. Bb3 Bd7 11. Be3 Qc8 12. Qd2 Ng6 13. O-O-O Be6 14. Bxe6 Qxe6 15. Kb1 d5 {1-0 (41) Hallaeva,B (2133)-Khukhashvili,S (2338) Sharjah 2018}) 10. d4 (10. O-O $14) 10... O-O (10... exd4 {seems wilder.} 11. Qb3 O-O 12. cxd4 c6 13. Bd3 Nf4) 11. dxe5 dxe5 12. Qxd8 Rxd8 13. h4 gxh4 14. Nxh4 Nf4 15. f3 Be6 16. Bxf4 exf4 17. Bxe6 fxe6 18. Ne2 e5 $1 19. Nf5 h5 (19... Rd7 $14) 20. g3 $16 fxg3 21. Nexg3 Kf7 22. Nxh5 Bf8 $2 {[#] Black cannot hold the game after this.} (22... Nxh5 $16 23. Rxh5 Rh8 24. Rxh8 Rxh8) 23. Nxf6 $18 Kxf6 24. Rh7 b5 25. Rxc7 b4 26. Ke2 bxc3 27. Rxc3 a5 28. Rc6+ Kf7 29. Rc7+ Kf6 30. Rac1 a4 31. R1c6+ Kg5 32. Ne3 Rdb8 (32... Rd6 $142 33. Rc2 Rad8) 33. Nc4 a3 34. bxa3 (34. Nxe5 $142 Be7 35. Rxe7 Rg8 36. Kf2 Raf8 37. Nf7+ Rxf7 38. Rxf7 Rg6 39. Rf5+ Kh6 40. Rxg6+ Kxg6 41. b4) 34... Rb5 35. Rf7 {Rf5+ would kill now.} Bxa3 36. Rf5+ {[%mdl 64] [#] Double Attack. White mates.} Kh4 37. Rh6+ Kg3 38. Rg5+ Kf4 39. Rg4# {Weighted Error Value: White=0.06/Black=0.72} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.1"]
[White "Wang, Justin"]
[Black "Nihal Sarin"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2447"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,135,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,-4,0,-11,-18,-30,-38,-28,-32,-133,-88,-208,-76,-87,-75,-115,-117,-117,-125,-355,-122,-349,-335,-340,0,0,0,0,0,0,0,7,172,180,135,80,80,80,80,22,22,15,15,0,23,8,6,7,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,4,5,5,0,12,0,12,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bg4 11. Qc2 Nxc3 12. bxc3 f6 13. exf6 Qxf6 14. Be2 {[#]} Na5 $146 {[%cal Bc6a5,Ba5c4,Bc4d6,Bd6e4][%mdl 32]} ({Predecessor:} 14... Bxf3 15. Bxf3 Ne7 16. O-O c6 17. Rae1 Nf5 18. Bg4 Nd6 19. f3 Rae8 20. Bf2 Ba5 21. Rxe8 Rxe8 {½-½ (28) Pavasovic,D (2601)-Meszaros,T (2437) Austria 2008}) 15. Ne5 Bxe2 16. Qxe2 Qe6 17. O-O Rae8 18. Rab1 c6 19. f4 Nc4 20. g3 Nd6 21. g4 Ne4 22. f5 Qe7 23. Rb3 c5 24. Qb5 (24. Qf3 $15) 24... Kh8 {...Nxc3! is the strong threat.} 25. Rf3 {[#]} (25. Qd7 $17 {was necessary.}) 25... Qh4 (25... Nxc3 $1 $19 {[%mdl 512] is more deadly.} 26. Qf1 (26. Rxc3 $2 cxd4 27. Qxb6 {[%mdl 64] Remove Defender} axb6 $19) 26... Ne4 27. dxc5 Bxc5) 26. Qf1 $17 cxd4 $1 {[#]} 27. Ng6+ $1 {[%mdl 512]} hxg6 28. Rh3 {[#]} dxe3 $1 {[%mdl 512]} 29. Rxh4+ Kg8 {aiming for ...e2+.} 30. Rxb6 $2 (30. Qe2 $17) 30... axb6 $19 31. Qd3 {[#]} Nf6 $2 (31... Ng5 $1 $19 32. Qxd5+ {[%mdl 64] Double Attack} Nf7) 32. Kf1 $36 {[%mdl 2048] White has some pressure.} g5 33. Rh3 e2+ 34. Ke1 {Black must now prevent c4.} Re4 35. Re3 {Threatens to win with Rxe4.} Rfe8 $2 (35... Rxg4 $11 {and Black stays safe.} 36. Qb5 (36. Rxe2 Rc8 $11) (36. Qxe2 Rg1+ 37. Kf2 Ra1 $11) 36... Rg1+ 37. Kxe2 Ra8) 36. Rxe4 $18 Rxe4 {[%mdl 4096] Endgame [#] KQ-KRN} 37. h4 (37. h3 $142 $1) 37... Rxg4 $16 38. hxg5 Rxg5 39. Kxe2 ({White should play} 39. Qe3 $16 Ne4 40. Qxb6) 39... Rg2+ $11 40. Kf3 Rxa2 41. Qe3 Ra3 42. Qe6+ Kh7 {The position is equal.} 43. Qe5 Ra2 44. Qc7 Rc2 45. Qe5 b5 46. Qd4 Rb2 47. Qh4+ Kg8 48. Qf4 Rc2 49. Qb8+ Kh7 50. Qe5 Rd2 51. Qc7 Rd3+ 52. Ke2 Rh3 53. Kf2 Ne4+ 54. Kg2 Rg3+ 55. Kh1 Rh3+ 56. Kg2 Rg3+ 57. Kh1 Nf2+ 58. Kh2 Rg5 59. Qxb7 Rxf5 60. Qxb5 Ne4 61. Qd3 Rh5+ 62. Kg2 Rg5+ 63. Kh2 Kh6 64. c4 Rh5+ 65. Kg2 Rg5+ 66. Kh2 Rh5+ 67. Kg2 Rg5+ 68. Kh2 {Never resign too early! Accuracy: White = 82%, Black = 87%.} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.1"]
[White "Hepler Ramirez, Narayana"]
[Black "Sonis, Francesco"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "2117"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,95,-42,-28,-31,-13,-23,12,8,1,1,18,0,15,15,13,14,15,9,12,20,75,72,129,124,117,76,77,81,115,75,87,72,61,13,74,56,72,77,71,59,63,0,0,0,67,45,310,181,920,909,903,880,1144,1136,1543,811,760,556,821,818,1012,1032,1311,616,565,548,731,724,662,517,810,816,1013,990,986,991,908,1079,29981,29982,29995,29996,29997,29998]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. e4 d6 8. Nh3 {E24: Nimzo-Indian: Sämisch: Unusual Black 5th moves and 5...c5 sidelines.} e5 {[%cal Rc5d4]} 9. d5 {[#]} Na5 $146 (9... Bxh3 $5 10. dxc6 (10. gxh3 Ne7 $15) 10... Bc8 $11) ({Predecessor:} 9... Bxh3 10. dxc6 Bc8 11. Qd3 h6 12. cxb7 Bxb7 13. Be3 Qc7 14. Rd1 Rd8 15. Kf2 Ng8 {½-½ (28) Moiseev,S (2462)-Piacun,E (2365) ICCF email 2018}) 10. Nf2 {The position is equal.} b6 11. Bd3 Qd7 12. Qe2 Ba6 13. Nd1 Nh5 14. g3 $1 Qh3 15. Nf2 Qd7 16. O-O O-O-O (16... Nf6 $11 {remains equal.}) 17. f4 $1 $16 g6 (17... Nf6 $142) 18. fxe5 dxe5 19. Rb1 f6 20. Ng4 Rhf8 21. Be3 Rde8 22. Rf2 f5 23. Rbf1 (23. Bh6 $5 {[%cal Rh6f8]} Nf6 24. Ne3 $16 (24. exf5 e4 $15) (24. Bxf8 Nxg4 25. Bxc5 bxc5 $11)) 23... Rh8 (23... Nf6 $1 $11 {keeps the balance.} 24. Nxf6 (24. exf5 e4 $11) 24... Rxf6) 24. Nh6 $1 $36 {[%mdl 2048] White is more active.} ({Of course not} 24. exf5 e4 $11) 24... fxe4 25. Bxe4 {Threatens to win with Rf7.} Bxc4 {[%mdl 64] Double Attack} 26. Bd3 $1 {[%cal Rd3c4]} Bxd5 27. Ba6+ (27. Rd1 $14 Qe6 28. Nf7) 27... Kb8 $11 28. Nf7 {[#]} Rhg8 (28... Nxg3 $1 $11 {[%mdl 512]} 29. hxg3 Qh3) 29. Rd1 $1 $14 {Black must now prevent Qd2.} Rgf8 $2 {[%mdl 8192] [#] This move loses the game for Black.} (29... Qe6 $1 $14) 30. Bb5 (30. Nxe5 $142 $1 {[%mdl 512]} Qe6 (30... Rxe5 31. Rxf8+) 31. Rxf8 Rxf8 32. c4) 30... Qb7 $2 ({Reject} 30... Nc6 31. c4 $18) (30... Qe6) 31. Bxe8 $18 Rxe8 32. Nd6 {[%mdl 64] Double Attack} Qc6 33. Nxe8 Bc4 34. Qg4 {Nd6 is the strong threat.} Qxe8 35. Bg5 Be6 36. Qe4 {aiming for Rd8+.} Nc6 37. Rd6 Kc7 {[#]} 38. Rfd2 (38. Rf8 $142 $3 {[%mdl 512]} Kxd6 (38... Qxf8 39. Qxc6+) 39. Rxe8) 38... Bf5 39. Qa4 Bc8 40. Rd8 {[%cal Bd6d8,Bd8f8,Bf8h8,Bh8h7][%mdl 32]} Qe6 41. Rf8 e4 (41... Ng7 $142 42. Qe4 Ne8) 42. Rh8 e3 43. Rxh7+ Kb8 44. Re2 Qd5 45. Bxe3 {And now Bf4+ would win.} a6 46. Bf4+ {White mates.} Ka8 {[#]} 47. Re8 $1 Na7 {[#]} 48. Rxc8+ $1 {[%mdl 64] Remove Defender.  Weighted Error Value: White=0.34/Black=0.64} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.2"]
[White "Nihal Sarin"]
[Black "Wang, Justin"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2620"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "239"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,239,6,8,0,0,0,0,-1,-1,0,5,-7,-7,-7,-7,-7,0,0,0,0,0,0,12,0,16,8,8,10,13,12,12,4,22,0,20,26,10,0,0,0,0,0,0,-25,26,39,40,0,0,-10,54,60,99,97,102,58,58,58,58,58,58,58,61,64,79,58,100,58,69,69,74,71,73,60,72,18,18,18,53,18,185,181,179,179,179,18,18,18,18,18,18,18,18,18,18,0,18,17,22,0,27,8,13,19,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,5,5,8,12,12,195,224,195,224,182,239,230,168,235,239,151,239,246,173,229,239,193,8,19,0,145,0,0,0,0,0,687,0,0,0,0,0,0,0,8,8,8,0,34,34,34,34,34,0,0,0,0,0,0,0,0,0,0,0,34,0,34,34,1128,36,72,0,73,80,29966,29969,29981,29982,29982,29983,29983,29984,29984,29985,29985,29986]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Nbd7 5. b3 b6 6. cxd5 {A17: English Opening: 1...Nf6 with ...Bb4.} exd5 {[#]} 7. Bb5 $146 ({Predecessor:} 7. g3 Bb7 8. Bg2 g6 9. O-O Bg7 10. Ba3 c5 11. b4 O-O 12. bxc5 bxc5 13. Rc1 {½-½ (70) Dubov,D (2696)-Yu,Y (2760) Liaocheng 2018}) 7... Bb7 $1 8. Ne5 {The position is equal.} Qc8 9. Nxd7 Nxd7 10. O-O c6 11. Be2 Bd6 12. Bb2 O-O 13. Rc1 Qd8 14. Re1 f5 15. g3 Nf6 16. Bf3 Qe7 17. Ne2 Rac8 18. Rc2 Bb4 19. Qc1 Ne4 20. a3 Bd6 21. b4 a5 22. bxa5 bxa5 23. d3 Nc5 24. Qd2 Nb3 $1 {[%cal Rb3d2]} 25. Qc3 a4 26. Nf4 {[%cal Be2f4,Bf4e6,Be6d4][%mdl 32]} Bxa3 ({Black should play} 26... Ba6) 27. Bxa3 $11 Qxa3 {[#]} 28. Ne6 $1 {[%csl Ge6][%cal Rc3g7][%mdl 512]} Rf6 29. Nd4 Rb8 (29... c5 $11 30. Nb5 Qb4 31. Qxb4 cxb4 32. Bxd5+ Bxd5 33. Rxc8+ Rf8) 30. Rb1 $14 {[%cal Rd4b3]} Ba8 31. Rcb2 Qb4 32. Qxb4 (32. Qc2 {looks sharper.} Qe7 33. Nxb3 axb3 34. Rxb3 Rxb3 35. Qxb3 Rf7 36. Ra1) 32... Rxb4 33. Nxb3 axb3 34. Rxb3 Rxb3 35. Rxb3 $16 {[%mdl 4096] Endgame KRB-KRB} Rf8 36. d4 Kf7 37. h4 g6 38. Rb6 Ke7 39. Ra6 Bb7 40. Ra7 Rb8 41. Be2 Kd6 42. Ba6 (42. h5 $16) 42... Bxa6 $11 43. Rxa6 {KR-KR} Rb7 44. Kg2 h6 $2 (44... h5 $11 {and Black stays safe.}) 45. Ra8 $1 $18 Ke6 46. Rc8 Rb6 {[#]} 47. Rh8 $2 (47. h5 $1 $18 {[%mdl 512]}) 47... h5 $11 48. Rc8 Kf6 49. Kf3 Ra6 50. Kf4 Rb6 $1 51. Rf8+ Ke7 $1 {[%cal Re7f8]} 52. Rc8 Kf6 $1 53. f3 Ra6 $1 54. Rb8 Ra1 55. Rf8+ Ke7 $1 {[%cal Re7f8]} 56. Rc8 Rc1 $1 57. Ke5 Rc3 $1 58. Kf4 Kf6 59. Rf8+ Ke7 60. Ra8 Kf6 61. Rc8 {Cut Off at move 61} Rc1 62. Rd8 Ke7 63. Rh8 Kf6 64. Rf8+ Ke7 65. Rb8 Kf6 66. Rb2 Rc3 67. Ra2 Rc1 68. Rb2 Rc3 69. Rb7 Rc1 70. Rd7 Ke6 71. Rd8 Ke7 72. Rh8 Kf6 73. Rh7 Rc3 74. Rc7 Rc1 75. Rd7 Ke6 76. Ra7 Kf6 77. Ra5 {Black must now prevent Rc5.} Ke6 78. Kg5 Rg1 79. Rc5 Kd6 80. Kf4 Rf1 81. Rc2 Rg1 82. Ra2 {next Ra7 is good for White.} Rf1 $2 (82... Rc1 $1 $11 {and Black is okay.}) 83. Ra7 $1 $18 {[%cal Ra7g7] Strongly threatening Rg7.} Ke6 84. Rc7 $1 Rc1 85. Kg5 $1 Rc3 86. Kxg6 Rxe3 87. Rxc6+ ({Not} 87. Kxh5 Kd6 $14) 87... Kd7 {[#]} 88. Rf6 $1 {[%cal Rf6f5]} Rxf3 89. Rxf5 Rxg3+ 90. Kxh5 Ke6 91. Rf4 $2 (91. Re5+ $18 Kd6 92. Rg5) 91... Rg1 92. Kh6 Re1 {[#]} (92... Rg2 $11 {keeps the balance.}) 93. h5 ({White should try} 93. Kg5 $1 $16) 93... Rg1 $1 $11 94. Kh7 Rg5 95. h6 Ke7 $2 {[%mdl 8192]} (95... Rg1 $11) 96. Kh8 $2 (96. Rf3 $18 Rg4 97. Rf5) 96... Rg6 97. h7 Rg1 98. Rf5 Ke6 $1 99. Rf8 {Threatens to win with Rg8.} Rb1 100. Rf2 Rg1 $1 101. Rf8 {Rg8 is the strong threat.} Rb1 102. Rf3 Rg1 $1 103. Re3+ Kf7 104. Re5 Ra1 {( -> ...Ra8+)} 105. Rg5 Ra4 106. Rg4 {aiming for Rf4+.} Ra8+ $1 107. Rg8 Ra4 108. Rg7+ Kf6 109. Rg4 {Hoping for Rf4+.} Ra8+ 110. Rg8 Ra1 111. Rf8+ Ke7 $2 {[%mdl 8192]} (111... Ke6 $14) 112. Rf2 $2 (112. Rf5 $18 Rg1 113. Rxd5) 112... Rg1 $1 $14 113. Rf5 Ke6 $1 114. Re5+ Kd6 $2 {[%mdl 8192]} (114... Kf6 $16) 115. Re8 {White mates.} Rb1 116. Kg7 Rg1+ 117. Kf6 Rf1+ 118. Kg5 Rg1+ 119. Kf4 Rf1+ 120. Kg3 {Weighted Error Value: White=0.12/Black=0.14} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.2"]
[White "Sargsyan, Shant"]
[Black "Iniyan, P."]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2596"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,94,47,41,50,44,30,42,27,49,27,30,12,42,-17,-17,-5,30,16,4,0,0,-14,-16,-36,-45,-43,-30,-71,-71,-62,-64,-113,-43,-40,-21,-30,-8,-27,0,0,0,0,0,0,0,0,0,0,35,27,32,16,19,16,22,10,9,10,12,14,22,0,0,0,0,0,0,0,0,0,0,-3,-4,-5,-4,-56,-56,-56,-47,-50,29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 b5 6. cxb5 Bxb5 7. Bg2 Bc6 8. O-O a5 9. Bg5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Be7 10. Bxf6 Bxf6 11. Nc3 {White is slightly better.} d5 {[#]} 12. Re1 $146 ({Predecessor:} 12. Qc2 O-O 13. Rfd1 Ra6 14. Rac1 Qd6 15. Bf1 Rb6 16. e4 dxe4 17. Nxe4 Bxe4 18. Qxe4 {½-½ (44) Tunik,G (2440)-Ivanov,T (2370) Pardubice 1996}) 12... O-O 13. e4 dxe4 14. Nxe4 ({Better is} 14. Ne5 $14) 14... Bxe4 $11 15. Rxe4 c5 16. Rc1 cxd4 17. Nxd4 Ra7 {[%cal Ba8a7,Ba7d7,Bd7d3][%mdl 32] [#] Strongly threatening ...Rd7.} 18. Nb5 Rd7 19. Qe1 Na6 {[%cal Bb8a6,Ba6b4,Bb4d3][%mdl 32]} 20. Bf1 Nb4 21. a3 Nd3 22. Bxd3 Rxd3 23. b4 a4 (23... Qd7 $17 24. a4 Bg5) 24. Rec4 $15 Bb2 25. Rb1 $1 Qd5 26. Qe4 $1 ({Much weaker is} 26. Rc5 Qf3 $17) 26... Bxa3 (26... Qxe4 {with more complications.} 27. Rxe4 Bf6 28. Re3 Rd2 29. Nc3 Bd4) 27. Qxd5 exd5 28. Rc3 Rxc3 29. Nxc3 $11 {[%mdl 4096] Endgame Threatens to win with Nb5. KRB-KRN} Rb8 30. b5 d4 31. Nxa4 Kf8 32. Kf1 Ke7 33. Ke2 Ke6 34. Kd3 Kd5 35. b6 Kc6 36. Ra1 Bd6 37. Kxd4 Ra8 38. Kc4 Ra5 39. Ra2 Bc5 40. b7 Ba7 41. f4 Kxb7 42. Kb4 Rd5 43. Re2 Kc6 44. Nc3 Rd7 45. Nb5 ({White should try} 45. Ne4 $11) 45... Rb7 $15 46. Rc2+ Kd5 47. Rd2+ Kc6 $2 {[%mdl 8192] [#]} (47... Ke4 $15) 48. Rd6# {Weighted Error Value: White=0.12/Black=0.27} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.2"]
[White "Sonis, Francesco"]
[Black "Hepler Ramirez, Narayana"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2483"]
[BlackElo "2117"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,105,12,11,10,32,35,59,4,18,19,63,0,62,20,23,14,50,37,58,41,33,33,39,25,17,17,17,17,22,14,16,23,81,83,73,65,75,75,103,107,92,29,112,51,57,40,32,0,0,-1,0,0,34,0,0,0,0,0,0,0,0,0,0,-129,-138,-149,-143,-139,-81,-81,-81,-81,-81,-75,-16,-82,-82,-82,0,-89,0,-82,0,-71,0,-82,-16,-96,-77,-29984,-29985,-29998,-29999,-29999]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. b3 Ne4 6. d4 c5 7. Bb2 d5 8. Qc1 {A05: Réti Opening: 1 Nf3 Nf6.} Nc6 {[%cal Rc5d4]} 9. dxc5 Nxc5 10. Bxg7 (10. Rd1 $14) 10... Kxg7 $11 {[#]} 11. Qb2+ $146 ({Predecessor:} 11. Rd1 e6 12. c4 Qf6 13. cxd5 exd5 14. Nc3 Be6 15. Nxd5 Bxd5 16. Qxc5 Rad8 17. Rac1 Bxf3 18. Bxf3 {1-0 (26) Czebe,A (2436)-Yee,S (2263) Hanoi 2018}) 11... Kg8 12. Nd4 (12. Rd1 $14) 12... Qc7 (12... Qb6 $11) 13. Nxc6 bxc6 14. c4 Bb7 15. Nd2 e5 16. cxd5 cxd5 17. Rac1 {aiming for b4.} Qe7 18. Qa3 Rfc8 19. Nb1 Qf8 20. Rfd1 e4 21. Nc3 Ne6 $1 22. Qb2 Rc5 (22... Qg7 $11) 23. b4 $16 Rc4 24. Nxd5 Bxd5 25. Rxd5 Rxc1+ 26. Qxc1 Qxb4 27. h4 (27. Re5 $16) 27... h5 (27... Rb8 $11) 28. Kh2 (28. a3 $16 Qa4 29. Qe3) 28... Rb8 $14 29. Qe3 Qb6 $1 30. Qxe4 Qxf2 31. Qe5 Rb1 32. Rd7 Qg1+ 33. Kh3 Qf2 34. Re7 {Hoping for Re8+.} Kf8 $40 {[%mdl 128] Black has some attack.} 35. Qd6 Qf5+ {[#]} 36. Kh2 $1 {[%mdl 512] White wants to mate with Rxe6+.} Kg7 37. Rxa7 Rb2 ({Of course not} 37... Qf2 38. Qe5+ Qf6 39. Qxf6+ Kxf6 40. Bf3 $16) 38. Qd1 (38. Qd3 $11) 38... Qf2 $1 $17 {[%csl LRa7,LRe2][%mdl 64] Double Attack} 39. Qg1 Qxe2 40. Ra3 Rxa2 (40... Rd2 $142 {White must now prevent ...Nd4.} 41. Re3 Qc4) 41. Rxa2 Qxa2 42. Qe3 Qb2 43. Kh3 Qd4 (43... Nf8 $17) 44. Qe1 (44. Qxd4+ $11 Nxd4 45. g4) 44... Qf6 45. Qe3 Qd4 (45... Nd4 $17) 46. Qc1 (46. Qe1 $11 {remains equal.}) 46... Qf6 (46... Nc5 $17 47. Qf4 Qxf4 48. gxf4 Kf6) 47. Qc4 (47. Qe3 $11 {was the only way to keep the balance.}) 47... Qd4 ({Black should try} 47... Nd4 $17) 48. Qc6 (48. Qc1 $11) 48... Qf6 ({Better is} 48... Qg4+ $17 49. Kh2 Qd4) 49. Bd5 (49. Qc4 $1 $11) 49... Nd4 (49... Qf1+ $17 50. Bg2 Qf5+ 51. Kh2 Nd4) 50. Qb7 (50. Qxf6+ $11 Kxf6 51. g4) 50... Nf5 51. Kg2 $2 {[%mdl 8192] [#]} (51. Qb3 $17) 51... Ne3+ {Black mates.} 52. Kh1 Qf1+ 53. Kh2 Ng4# {Weighted Error Value: White=0.46/Black=0.29} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.2"]
[White "Gholami Orimi, Mahdi"]
[Black "Esipenko, Andrey"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2428"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,138,3,16,11,14,0,15,-40,11,0,0,-1,0,0,7,0,7,7,1,2,0,0,15,0,15,16,40,0,0,0,0,0,6,-59,-59,-45,-46,-46,18,16,40,0,65,8,20,-44,-37,-49,-61,-48,-42,-55,-41,-107,-95,-95,-95,-94,-81,-116,-122,-108,-106,-132,-124,-135,-112,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-158,-172,-172,-117,-194,-131,-182,-192,-193,-19,-28,-15,-15,-15,-16,-10,-10,-10,-10,-8,-14,-16,-20,-20,-29,-29,-29,-29,-29,-29,-29,-29,-35,-29,-35,0,-35,141,141,141,141,324,324,324,324,324,324,324,324,324]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 O-O 5. a3 Be7 6. Bg2 d5 7. Ngf3 b6 8. O-O {E11: Bogo-Indian.} Bb7 9. Ne5 c5 {[#] is the legacy move (9...Nbd7).} 10. Ndf3 $146 ({White should play} 10. dxc5 $11 bxc5 11. cxd5 exd5 12. b4) ({Predecessor:} 10. dxc5 bxc5 11. cxd5 exd5 12. b3 a5 13. Bb2 a4 14. bxa4 Nbd7 15. Ndc4 Nxe5 16. Bxe5 {½-½ (69) Swapnil,S (2534)-Jumabayev,R (2611) Moscow 2017}) 10... Ne4 (10... dxc4 $15 11. dxc5 Qc7) 11. cxd5 exd5 12. Be3 Na6 {[%cal Bb8a6,Ba6c5,Bc5e6][%mdl 32]} 13. Nd2 Nf6 14. Qa4 cxd4 15. Bxd4 Nc5 16. Qd1 Ne6 17. Ndf3 Ne4 18. Rc1 Qe8 19. Nd3 Rd8 20. Nf4 Nxf4 21. gxf4 Bc8 22. Ne5 Rd6 23. f3 (23. b4 $11) 23... Nc5 $1 $15 24. Bxc5 bxc5 25. Rxc5 f6 ({Black should try} 25... Ba6 $15) 26. Rxd5 $11 Re6 27. Nc4 Bb7 (27... Ba6 $11 28. Qd3 Rxe2) 28. e4 (28. Ra5 $14) 28... Bxd5 29. Qxd5 (29. exd5 $11 Re2 30. Bh3 (30. Qxe2 Bc5+ {[%mdl 64] Discovered Attack} 31. Ne3 Bxe3+ 32. Kh1 Bxf4 $11)) 29... Kh8 $15 30. Kh1 Rc6 31. Ne3 Qc8 32. Bh3 $1 {[%cal Rh3c8]} Qc7 33. Qd7 (33. Qd3 $15) 33... Qxd7 34. Bxd7 Rd6 35. Ba4 Rd4 36. b4 {next Nf5 is good for White.} Rd3 37. Nd5 Bd6 38. Bc6 Rxa3 39. Kg2 a6 40. b5 axb5 41. Bxb5 Rb8 42. Bd7 Rb2+ 43. Rf2 Rxf2+ 44. Kxf2 $17 {[%mdl 4096] Endgame KRB-KBN} g5 45. fxg5 fxg5 46. h3 {[#]} Kg7 (46... h5 $1 $19 47. Be8 h4) 47. Ke2 (47. Bg4 $17) 47... Ra2+ ({Better is} 47... h5 $19 48. Be6 Ra2+ 49. Ke3 Bb8) 48. Kd3 {[#]} (48. Kd1 $17 {was called for.}) 48... h5 $1 $19 49. Be8 Kh6 $2 (49... Ra3+ $19 50. Kd4 Rxf3 51. Bxh5 Rxh3) 50. Ne3 $1 $11 {[%cal Re3f5] aiming for Nf5+.} Bf4 51. Nf5+ Kh7 {White should prevent ...h4.} 52. Bxh5 Kg8 53. Kd4 Rd2+ 54. Kc4 Rh2 55. Bg4 Kf7 56. Nd4 Kf6 57. Nc6 Rc2+ 58. Kd5 Rd2+ 59. Kc4 Be5 60. Kc5 Bc7 61. Kc4 {Cut Off at move 61} Bh2 62. Kc5 Rd1 63. Kc4 Bd6 $2 {[#]} (63... Rc1+ $15 {stays ahead.} 64. Kd5 Rd1+ 65. Kc4 Rd2) 64. e5+ $1 $16 {[%mdl 576] Decoy} Bxe5 65. Nxe5 Kxe5 $2 (65... Ra1 $16 {might work better.}) 66. f4+ $1 $18 {[%mdl 64] Discovered Attack. White has a decisive advantage.} gxf4 67. Bxd1 f3 68. Bxf3 Kf6 69. h4 Kg7 {[%mdl 32768] White used his chance.  Weighted Error Value: White=0.16/Black=0.17. An unexpected result.} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.3"]
[White "Sargsyan, Shant"]
[Black "Iniyan, P."]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2596"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,147,3,21,14,13,13,24,12,19,21,51,0,0,-6,0,-32,0,0,0,0,25,0,0,0,43,-39,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,11,11,20,20,18,0,0,0,8,0,0,0,106,103,93,91,87,124,124,114,118,58,80,39,80,79,78,79,79,79,100,60,406,322,394,356,364,356,356,351,351,351,342,302,29968,29969,29969,29970,29969,29972,29972,29971,29973,29974,29971,29973,29978,29979,29978,29979,29982,29981,29981,29982,29983,29984,29984,29976]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. dxc5 bxc5 8. O-O {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Be7 9. Rd1 O-O 10. Bf4 {White has an edge.} Qb6 11. Qb3 Rd8 12. Nc3 ({Better is} 12. Qxb6 $1 $14 axb6 13. Bc7) 12... d6 $11 13. Rd2 Nc6 14. Rad1 {[%cal Rf4d6]} Ne8 15. Qxb6 axb6 16. b3 h6 17. g4 Nb4 18. a4 {[#]} d5 $146 ({Predecessor:} 18... Bf6 19. Nb5 e5 20. Bg3 e4 21. Nh4 g6 22. Nxd6 Nxd6 23. Rxd6 Be7 24. Rxd8+ Rxd8 25. Rxd8+ Bxd8 {½-½ (35) Oikamo,T (2502)-Serner,A (2473) ICCF email 2012}) 19. Ne1 ({White should play} 19. Ne5 $14) 19... Nf6 20. h3 Rd7 21. Nb5 d4 22. Bxb7 Rxb7 23. e3 Ne4 24. Re2 {[#]} d3 $1 {[%mdl 512]} 25. Nxd3 Rd8 26. Nb2 Rxd1+ 27. Nxd1 Rd7 28. Ndc3 Nxc3 29. Nxc3 Rd3 30. Nb5 $1 Rxb3 31. Bc7 Rb1+ 32. Kg2 Ra1 33. Bxb6 Rxa4 34. Rd2 Nc6 35. Rd7 {[#] Rc7 is the strong threat.} Bh4 {And now ...Ra2 would win.} 36. Rc7 Ne5 37. Rxc5 Nxc4 38. Rc8+ Kh7 39. Bd4 Nd2 40. Rc7 f6 41. Nd6 {White wants to play Ne8.} Nb3 42. Bc3 Ra2 43. Ne8 {Black must now prevent Nxf6+.} Rxf2+ 44. Kg1 Rf3 45. Rxg7+ Kh8 46. Rf7 {[%cal Rc3f6]} Nc5 (46... Kg8 $11 47. Rc7 e5) 47. Bxf6+ $16 Kg8 48. Rg7+ Kf8 49. Bxh4 Kxe8 {[%mdl 4096] Endgame KRB-KRN} 50. Kg2 Rxe3 51. Bf2 (51. Rh7 $16) 51... Rc3 52. Rg6 Kf7 53. Rxh6 {Strongly threatening Rh7+.} Ne4 {Threatening ...Rc2.} 54. Be1 Re3 55. Bh4 e5 56. Rh5 Nc5 $2 {[%mdl 8192] A mistake that costs the game.} (56... Ke6 $14) 57. Rf5+ Ke6 58. Rf6+ Kd5 59. Bf2 Re2 60. Kf1 Rc2 61. Bxc5 {Cut Off at move 61} Rxc5 $18 {KR-KR} 62. g5 Ke4 $2 (62... Rc1+ $18 63. Kg2 e4) 63. g6 {White mates.} Rc1+ 64. Kg2 Rc2+ 65. Kg3 Rc1 66. Kg4 Rg1+ 67. Kh5 Kd3 68. Kh6 Rg3 69. h4 e4 70. Rd6+ Kc4 71. h5 e3 72. Re6 Kd4 73. g7 Rg4 74. Rd6+ {Weighted Error Value: White=0.10/Black=0.26} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "3.1"]
[White "Gholami Orimi, Mahdi"]
[Black "Sargsyan, Shant"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2428"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,112,12,0,13,6,1,-4,-2,-20,0,0,-2,-5,0,0,0,-12,1,2,7,5,65,66,78,75,71,71,65,12,12,0,10,0,0,-29,-21,-29,-4,-47,0,0,12,-18,-21,-77,-51,-91,-41,-40,-11,-16,-8,-8,-8,-8,-8,-166,-8,-8,-5,-8,0,0,0,0,0,0,-1,-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,-18,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. Qc2 c5 {E11: Bogo-Indian.} 8. O-O (8. cxd5 {is more complex.} cxd4 9. Nxd4 exd5 10. O-O Nc6 11. Nxc6 bxc6 12. Qxc6 Bg4 13. e3) 8... cxd4 9. Bxb4 axb4 10. Nxd4 Nc6 {[#]} 11. Nxc6 $146 ({Predecessor:} 11. Rd1 Nxd4 12. Rxd4 e5 13. Rd1 d4 14. Nd2 Qc7 15. Ne4 Nxe4 16. Bxe4 h6 17. Bd5 {0-1 (23) Tica,S (2402)-Van Foreest,J (2673) chess.com INT 2020}) 11... bxc6 12. Nd2 Qe7 13. e4 Ba6 14. Rfe1 Rfd8 15. a3 bxa3 16. Rxa3 Bb7 (16... dxc4 $11 17. Nxc4 Bb5) 17. Rxa8 $14 Rxa8 18. exd5 cxd5 {[#]} 19. c5 $1 Bc6 20. Nf3 (20. b4 $14) 20... Qb7 $1 $11 21. Ne5 Qb4 22. Rc1 Bb5 $1 23. h3 Ne8 24. Bf1 $1 Nc7 25. Bxb5 Nxb5 (25... Qxb5 $15 26. Nf3 f6) 26. Nc6 Qa4 27. Qxa4 (27. Qd2 {keeps more tension.} f6 28. b4 Nc7 29. Nd4 e5 30. Nf5) 27... Rxa4 {[%mdl 4096] Endgame KRN-KRN} 28. Ne5 (28. f4 $11 {keeps the balance.}) 28... Kf8 29. c6 {Hoping for c7.} Nc7 30. b4 $1 {[%cal Rb4b5] White wants to play b5!} Rxb4 {...Ke7 is the strong threat.} 31. Ra1 $1 {[%cal Ra1a7]} f6 32. Ra7 $1 fxe5 33. Rxc7 {KR-KR} Rc4 {next ...Rc1+ is good for Black.} 34. h4 $2 {[#]} (34. f3 $11) 34... h5 $2 (34... Rc1+ $1 $19 35. Kg2 e4) 35. Kf1 {The position is equal.} e4 36. Ke2 Kg8 37. Ke3 Rc2 38. Rc8+ Kf7 {And now ...Ke7 would win.} 39. c7 $1 Ke7 {White must now prevent ...g6.} 40. Rg8 Rxc7 {Strongly threatening ...Kf6.} 41. Rxg7+ Kd6 42. Rxc7 Kxc7 {KP-KP} 43. g4 $1 {[%cal Rg4h5]} Kd6 ({Don't blunder} 43... hxg4 $2 44. h5 $18) (43... Kd8 $5 44. g5 $8 (44. gxh5 $2 Ke7 $19) 44... e5 $11) 44. g5 $1 Ke5 45. Ke2 d4 46. Kd2 Kf5 47. Ke2 e5 48. Kd2 Ke6 49. Ke2 Kd5 50. Kd2 Kd6 51. Ke2 Ke6 52. Kd2 Kf5 53. Ke2 Kg6 54. Kd2 Kf5 55. Ke2 Kg6 56. Kd2 Kf5 {Accuracy: White = 82%, Black = 80%.} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "3.2"]
[White "Sargsyan, Shant"]
[Black "Gholami Orimi, Mahdi"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2596"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "247"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,247,75,78,72,72,74,68,50,83,67,52,59,100,100,100,99,95,82,90,91,99,87,101,97,130,113,151,150,161,149,158,164,203,198,178,145,140,137,145,156,147,130,365,173,172,123,131,104,104,97,103,104,99,99,100,99,89,75,89,89,89,47,89,75,89,89,89,89,89,64,89,13,89,8,8,9,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,116,0,0,0,157,0,0,0,167,0,104,0,0,0,0,0,105,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,56,0,0,0,0,0,0,0,0,0,0,0,10,24,114,114,149,71,113,116,198,142,924,322,437,338,309,308,300,300,488,468,1192,1012,1600,906,1530,1060,5018,5069,5093,3904,3783,3756,3760,3589,3054,2009,4371,4763,3712,527,4333,4056,3637,3115,3070,3300,1749,1739,29979,29981,29981,2111,1841,1580,1614,1580,1542,1467,1345,0,1252,908,1441,1369,2234,1853,1411,1335,29964,29966,29958,6945,29960,29969,29970,29972,29969,29974,29975,29975,29975,29972,12792,5833,4758,1413,1360,1168,2409,3746,29988,29989]} 1. d4 f5 2. Nc3 e6 3. e4 fxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Nf3 {A80: Dutch Defence: Unusual White second moves.} Nc6 7. Bg5 Qf7 8. Bd3 {White is slightly better.} d5 {[#]} 9. Qe2 $146 ({Predecessor:} 9. Qd2 Bd6 10. O-O-O h6 11. Be3 e5 12. Bb5 e4 13. Ne5 Bxe5 14. dxe5 {0-1 (30) Guerrero,G (1971)-Hernandez Fonseca,M (1983) Bucaramanga 2016}) 9... Bd6 10. Bh4 h6 11. O-O O-O 12. c3 Bd7 13. Rae1 g5 14. Bg3 Qg7 15. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} a6 16. a4 Ne7 17. b5 Nf5 18. Be5 ({Resist} 18. bxa6 Nxg3 19. fxg3 (19. hxg3 bxa6 20. c4 c6 $16) 19... bxa6 $16) 18... Qf7 19. h3 axb5 20. axb5 Ra3 21. Qb2 Rfa8 22. Ra1 Rxa1 23. Rxa1 Rxa1+ 24. Qxa1 Qe8 {[#]} 25. b6 $1 {[%mdl 512]} Qd8 $2 (25... Bxe5 $16 {keeps fighting.} 26. Nxe5 cxb6) (25... cxb6 26. Qa7) 26. bxc7 (26. Bxf5 $142 exf5 27. Qa5) 26... Bxc7 $18 27. Qa3 Be8 28. Bxc7 Qxc7 29. Bxf5 exf5 30. Ne5 Kg7 31. g3 Bf7 32. Kg2 Be6 33. f4 gxf4 34. gxf4 Bf7 35. Qc5 Qd8 36. Kg3 Be8 37. Qb4 Qc7 38. Kf2 Kg8 39. Qc5 Qd8 40. Ke3 ({White should play} 40. Ke2 $16) 40... Bf7 (40... b6 $11 41. Qa3 Qh4) 41. Nf3 (41. Ke2 $16) 41... Qe8+ 42. Kf2 Qe4 43. Qd6 Bh5 44. Qd8+ {[#]} Kh7 $1 {[%mdl 512]} 45. Qc7+ Kg8 46. Qb8+ Kh7 47. Qxb7+ Kg8 48. Qb8+ Kh7 49. Qc7+ Kg8 50. Qd8+ {[#]} Kh7 $1 {[%mdl 512]} 51. Qd7+ Kg8 52. Qd8+ {[#]} Kh7 $1 {[%mdl 512]} 53. Qc7+ Kg8 54. Ng1 Qc2+ 55. Kg3 Qb1 (55... Kh8 $11) 56. Qd8+ (56. Kh4 $1 $16 {[%cal Rh4h5]} Bg6 57. Ne2) 56... Kh7 $11 57. Qe7+ Kh8 $2 (57... Kg6 $11 58. Qd6+ Kg7 59. Qd7+ Kf6 60. Qc6+ Kg7 61. Qc7+ Kg6 62. Qc6+ Kg7 63. Qc7+ Kg6 64. Qc6+ Kh7 65. Qd7+ Kg6 66. Qe6+ Kg7) 58. Qf8+ $2 (58. Kh4 $16 Bg6 59. Qf6+ Kh7 60. Ne2) 58... Kh7 59. Qe7+ Kh8 $2 (59... Kg6 $11 60. Qe6+ Kg7 61. Qe7+ Kg6 62. Qe6+ Kg7 63. Qe7+ Kg6) 60. Qe3 $2 (60. Kh4 $18 Bg6 61. Qf6+ Kh7 62. Ne2) 60... Kh7 (60... Qc2 $11 {keeps the balance.}) 61. Nf3 {Cut Off at move 61} ({White must play} 61. Kh4 $1 $16 {[%cal Rh4h5]} Bf7 62. Nf3) 61... Bxf3 62. Kxf3 {[%mdl 4096] Endgame KQ-KQ} Qf1+ 63. Kg3 Qc4 (63... Qb1 $11) 64. Qe7+ ({White has to play} 64. h4 $1 $16) 64... Kg6 $1 65. Qe6+ Kg7 66. Qe7+ Kg6 $1 67. Qe3 (67. Kh4 {with more complications.} Qxc3 68. Qe8+ Kg7 69. Qd7+ Kf6 70. Qd6+) 67... Kg7 68. Kh4 Qc6 69. Qe5+ Kg6 70. Qe1 Kg7 71. Kg3 Qc4 72. Kf2 {Black must now prevent Qe5+.} Qc6 (72... Qd3 $1 $11) 73. Ke3 (73. h4 $14) 73... Qc4 74. Kd2 Qa2+ $1 75. Kd3 Qc4+ 76. Ke3 Kf7 77. Qa1 Kg6 78. Kd2 Qc7 79. Qg1+ Kf6 (79... Kf7 $11 {remains equal.}) 80. Qe3 $16 {Threatens to win with Qe5+.} Qc6 81. h4 ({Better is} 81. Qe5+ Kg6 82. Qe7) 81... Kg6 82. Qe2 $1 Qd7 (82... Qb7 $16) 83. h5+ (83. c4 $18) 83... Kf6 $2 {[%mdl 8192]} (83... Kh7 $16 84. c4 Qb7) 84. Qe5+ (84. Qa6+ $142 Kg7 85. Qg6+ Kh8 86. Qxh6+ Kg8 87. Qg5+ Kh7 88. Qf6) 84... Kf7 $18 85. Qh8 Qe6 {[#]} 86. Qh7+ $1 Kf8 {[#]} 87. Kd1 $1 Qf6 $2 (87... Ke8 88. Qh8+ Kf7) 88. Qd7 Qh4 (88... Qa6 $142 89. Qxf5+ Kg7 90. Qe5+ Kh7) 89. Qxf5+ Ke8 90. Qe5+ Kf8 91. Qxd5 Qxf4 92. Kc2 Qf1 93. Qd6+ Ke8 94. Qg6+ Kd7 95. Qh7+ Kd8 96. Qg8+ Kd7 97. Qd5+ Kc7 98. Kb2 (98. Kb3 $142 {Strongly threatening Qc4+.} Qb1+ 99. Ka4) 98... Qe2+ 99. Ka3 Qc2 100. Kb4 Qb1+ 101. Kc5 Qb6+ 102. Kc4 Qa6+ 103. Kb4 Qa1 104. Qf7+ (104. Qa5+ $142 Qxa5+ 105. Kxa5 Kd7 106. c4 Kc7 107. c5 Kc6 108. Kb4 Kd5 109. Kb5) 104... Kc8 105. Qf8+ Kc7 106. Qg7+ Kc8 107. Qg8+ Kc7 108. Qf7+ Kc8 $1 109. Qb3 Qh1 110. Qg8+ Kc7 111. Qg7+ Kc8 112. Qxh6 Qb7+ 113. Kc5 Qa7+ 114. Kd5 (114. Qb6 $142 Qe7+ 115. Qd6 Qe1 116. Qc6+ Kb8 117. c4 Qe2 118. h6 Qa2 119. Qd7 Qa3+ 120. Kb6) 114... Qa2+ 115. Ke5 Qe2+ 116. Kf6 Qf3+ 117. Kg7 Qxc3 118. Qe6+ Kb7 119. Qe7+ Ka6 120. Qf6+ (120. Qd6+ $142 Kb7 121. h6) 120... Ka5 121. h6 (121. Qe5+ $142 Ka4 122. h6) 121... Qg3+ 122. Kh7 {Intending Qe5+ and mate.} Qc7+ 123. Kg6 {White wants to mate with Qe5+.} Qg3+ 124. Qg5+ {Weighted Error Value: White=0.22/Black=0.32} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "4.1"]
[White "Sargsyan, Shant"]
[Black "Nihal Sarin"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2596"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,38,35,42,28,25,16,35,18,60,58,67,78,99,102,119,82,79,74,84,58,99,79,82,79,108,98,106,63,66,57,56,58,60,60,65,60,81,56,56,56,78,66,69,41,51,25,85,25,25,32,43,33,46,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Ba6 7. b3 c6 8. Bg2 d5 9. O-O O-O 10. Ne5 Nfd7 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 11. Nd3 Nf6 12. Nc3 {[#]} Nbd7 $146 ({Predecessor:} 12... Qe7 13. a4 Rd8 14. Ne5 Nfd7 15. f4 f6 16. Nxd7 Nxd7 17. a5 dxc4 18. axb6 axb6 19. Bxc6 {1-0 (52) Michael,D (2370)-Gierth,K (2187) ICCF email 2011}) 13. Rfd1 Rc8 14. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Qe7 15. a5 {[#] axb6 is the strong threat.} b5 16. cxd5 cxd5 17. Na2 Bb7 {[#]} 18. a6 $1 {[%mdl 512]} Ba8 (18... Bxa6 19. Nab4) 19. Rdc1 Qd6 20. Nab4 Ne4 21. Qb2 h5 22. f3 Nef6 23. Rxc8 Rxc8 24. Rc1 Rc7 25. e3 Ne8 26. Bf1 g6 27. Kf2 h4 28. Rxc7 Nxc7 29. Qc3 hxg3+ 30. hxg3 Kg7 31. Nc5 {Hoping for Nxd7.} Nb8 32. Qa1 Nc6 (32... e5 $11 {keeps the balance.}) 33. Nxc6 ({Better is} 33. Nbd3 $16) 33... Bxc6 $11 34. Qa5 Bd7 35. f4 Qc6 36. b4 Bc8 {The position is equal.} 37. Ke1 Bxa6 38. Kd2 (38. Qa3 {is interesting.} Qb6 39. Nd7 Qd6 40. Ne5 Bc8 41. Qc3) 38... Qb6 39. Qxb6 axb6 {[%mdl 4096] Endgame KBN-KBN} 40. Nd7 Bb7 41. g4 Bc6 42. Ne5 Be8 43. g5 Kf8 44. Bd3 Ke7 45. Kc3 Na6 46. Bc2 {Accuracy: White = 77%, Black = 87%.} 1/2-1/2

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "4.1"]
[White "Gholami Orimi, Mahdi"]
[Black "Sonis, Francesco"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2428"]
[BlackElo "2483"]
[Annotator "RC"]
[PlyCount "172"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:03]} e6 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:05]} 4. g3 {[%emt 0:00:04]} Bb4+ {[%emt 0:00:11]} 5. Bd2 {[%emt 0:00:03]} a5 {[%emt 0:00:02]} 6. Qc2 {[%emt 0:00:10]} O-O {[%emt 0:00:04]} 7. Bg2 {[%emt 0:00:04]} c6 {[%emt 0:00:02]} 8. O-O {[%emt 0:00:09]} b6 {[%emt 0:00:07]} 9. Nc3 {[%emt 0:00:28]} Ba6 {[%emt 0:00:25]} 10. Ne5 {[%emt 0:02:45]} Nfd7 {[%emt 0:00:25]} 11. Nxd7 {[%emt 0:00:58]} Nxd7 {[%emt 0:00:25]} 12. cxd5 {[%emt 0:00:03]} cxd5 {[%emt 0:00:04]} 13. Rfc1 {[%emt 0:00:03]} Rc8 {[%emt 0:00:45]} 14. a3 {[%emt 0:00:45]} Bxc3 {[%emt 0:03:02]} 15. Bxc3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:01]} 16. f3 {[%emt 0:00:56]} Ne8 {[%emt 0:00:43]} 17. a4 {[%emt 0:01:38]} Nd6 {[%emt 0:00:08]} 18. b3 {[%emt 0:00:07]} b5 {[%emt 0:01:10]} 19. Qd2 {[%emt 0:01:29]} b4 {[%emt 0:00:06]} 20. Bb2 {[%emt 0:00:03]} Qb6 {[%emt 0:00:04]} 21. Qe3 {[%emt 0:01:14]} Nf5 {[%emt 0:00:20]} 22. Qf2 {[%emt 0:00:05]} Nd6 {[%emt 0:00:30]} 23. e4 {[%emt 0:01:24]} Bd3 {[%emt 0:01:25]} 24. e5 {[%emt 0:00:13]} Nb7 {[%emt 0:00:33]} 25. Qd2 {[%emt 0:00:19]} Bg6 {[%emt 0:00:10]} 26. Bf1 {[%emt 0:00:24]} f6 {[%emt 0:02:12]} 27. Kg2 {[%emt 0:03:03]} fxe5 {[%emt 0:03:41]} 28. dxe5 {[%emt 0:00:02]} Nc5 {[%emt 0:00:05]} 29. Qe3 {[%emt 0:00:12]} Nd7 {[%emt 0:00:20]} 30. Bd4 {[%emt 0:01:23]} Qb7 {[%emt 0:00:07]} 31. Bb5 {[%emt 0:00:33]} Rxc1 {[%emt 0:00:22]} 32. Rxc1 {[%emt 0:00:02]} Rc8 {[%emt 0:00:04]} 33. h4 {[%emt 0:00:14]} Nf8 {[%emt 0:00:28]} 34. g4 {[%emt 0:00:50]} h5 {[%emt 0:00:03]} 35. Kg3 {[%emt 0:00:20]} hxg4 {[%emt 0:00:55]} 36. fxg4 {[%emt 0:00:02]} Be4 {[%emt 0:00:06]} 37. h5 {[%emt 0:00:19]} Rc7 {[%emt 0:01:13]} 38. Be2 {[%emt 0:00:33]} Qc8 {[%emt 0:00:20]} 39. Rxc7 {[%emt 0:00:03]} Qxc7 {[%emt 0:00:01]} 40. Bd1 {[%emt 0:00:17]} Nd7 {[%emt 0:00:08]} 41. h6 {[%emt 0:00:10]} Nf8 {[%emt 0:00:30]} 42. Qg5 {[%emt 0:00:08]} Ng6 {[%emt 0:00:13]} 43. hxg7 {[%emt 0:00:10]} Qxg7 {[%emt 0:00:05]} 44. Qd8+ {[%emt 0:00:13]} Kh7 {[%emt 0:00:02]} 45. Qg5 {[%emt 0:00:04]} Kg8 {[%emt 0:00:02]} 46. Be2 {[%emt 0:00:05]} Kh7 {[%emt 0:00:08]} 47. Bb5 {[%emt 0:00:10]} Bc2 {[%emt 0:00:14]} 48. Qc1 {[%emt 0:00:15]} Bxb3 {[%emt 0:00:05]} 49. Bd3 {[%emt 0:00:09]} Kg8 {[%emt 0:00:13]} 50. Qc6 {[%emt 0:00:14]} Nf8 {[%emt 0:00:02]} 51. Qe8 {[%emt 0:00:08]} Bd1 {[%emt 0:00:08]} 52. Qh5 {[%emt 0:00:09]} b3 {[%emt 0:00:05]} 53. Bb5 {[%emt 0:00:12]} Ng6 {[%emt 0:00:24]} 54. Qg5 {[%emt 0:00:10]} Qf7 {[%emt 0:00:09]} 55. Qe3 {[%emt 0:00:11]} Qh7 {[%emt 0:00:06]} 56. Qg5 {[%emt 0:00:07]} Qf7 {[%emt 0:00:03]} 57. Qe3 {[%emt 0:00:02]} Kg7 {[%emt 0:00:33]} 58. Qd2 {[%emt 0:00:18]} Qf3+ {[%emt 0:00:02]} 59. Kh2 {[%emt 0:00:06]} Qxg4 {[%emt 0:00:15]} 60. Qf2 {[%emt 0:00:19]} Nf4 {[%emt 0:00:14]} 61. Qg3 {[%emt 0:00:11]} Kg6 {[%emt 0:00:24]} 62. Bd3+ {[%emt 0:00:10]} Nxd3 {[%emt 0:00:07]} 63. Qxd3+ {[%emt 0:00:02]} Kg7 {[%emt 0:00:05]} 64. Qg3 {[%emt 0:00:10]} Qxg3+ {[%emt 0:00:17]} 65. Kxg3 {[%emt 0:00:02]} Bh5 {[%emt 0:00:01]} 66. Kf4 {[%emt 0:00:07]} Be8 {[%emt 0:00:02]} 67. Bb2 {[%emt 0:00:27]} Bxa4 {[%emt 0:00:02]} 68. Bc3 {[%emt 0:00:13]} Bd7 {[%emt 0:00:02]} 69. Bb2 {[%emt 0:00:02]} Kg6 {[%emt 0:00:02]} 70. Kg4 {[%emt 0:00:07]} a4 {[%emt 0:00:02]} 71. Kf4 {[%emt 0:00:07]} Bc6 {[%emt 0:00:02]} 72. Ke3 {[%emt 0:00:24]} Kf5 {[%emt 0:00:02]} 73. Kd4 {[%emt 0:00:02]} Be8 {[%emt 0:00:01]} 74. Ba3 {[%emt 0:00:02]} Kf4 {[%emt 0:00:03]} 75. Bc1+ {[%emt 0:00:06]} Kf3 {[%emt 0:00:01]} 76. Kd3 {[%emt 0:00:01]} Bb5+ {[%emt 0:00:04]} 77. Kd4 {[%emt 0:00:03]} Ke2 {[%emt 0:00:01]} 78. Kc3 {[%emt 0:00:05]} Bc4 {[%emt 0:00:08]} 79. Ba3 {[%emt 0:00:03]} Kd1 {[%emt 0:00:04]} 80. Bb2 {[%emt 0:00:08]} Bb5 {[%emt 0:00:02]} 81. Ba3 {[%emt 0:00:02]} Be8 {[%emt 0:00:03]} 82. Bb2 {[%emt 0:00:05]} d4+ {[%emt 0:00:03]} 83. Kb4 {[%emt 0:00:30]} Kc2 {[%emt 0:00:03]} 84. Ka3 {[%emt 0:00:02]} d3 {[%emt 0:00:02]} 85. Bc3 {[%emt 0:00:01]} d2 {[%emt 0:00:05]} 86. Bxd2 {[%emt 0:00:03]} b2 {[%emt 0:00:02]} 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "4.2"]
[White "Nihal Sarin"]
[Black "Sargsyan, Shant"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2620"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,115,0,0,4,0,12,4,18,20,9,0,38,39,56,57,57,69,93,63,78,70,68,74,67,79,81,54,86,52,114,109,166,70,81,64,59,52,65,25,24,17,20,17,37,30,44,35,54,37,43,31,26,30,44,43,57,48,56,46,59,0,0,-48,0,0,77,80,1086,1045,920,562,486,108,812,164,138,-6,-7,-8,-8,-225,-229,-235,-233,-223,-221,-229,309,308,299,289,29975,29975,12799,12798,29991,29992,29992,29993,29993,29994,29994,29994,29994,29995]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. e3 $5 {[%mdl 4] Exploring less charted territory.} O-O 9. Bd3 Nxc3 {The position is equal.} 10. Qc2 Ne4 {[#]} 11. O-O $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 11. Bxe4 dxe4 12. Qxe4 Na5 13. Qc2 c5 14. dxc5 Qe7 15. Bd2 Nc6 16. O-O Qxc5 17. Rfb1 {½-½ (47) Mamedyarov,S (2747)-Fressinet,L (2700) Huaian 2016}) 11... Na5 12. Ne5 Nf6 13. cxd5 exd5 14. Bd2 c6 15. Qc3 Nc4 16. Nxc4 dxc4 17. Qxc4 Be6 18. Qc2 Rc8 19. Rad1 Qd5 20. Bc3 b6 (20... Qg5 $14) 21. e4 $16 Qb3 (21... Qa2 $16 {keeps fighting.}) 22. Qxb3 (22. Qd2 $1 $18) 22... Bxb3 $14 23. Rc1 Rfd8 24. f3 Nd7 25. Rfe1 Nc5 26. Bc2 Bxc2 27. Rxc2 Ne6 28. Rd2 f6 29. Kf2 Kf7 30. Ke3 Rd7 31. Red1 Re8 32. Bb2 g6 33. Rc1 Nd8 34. a4 f5 35. Ba3 Re6 36. e5 ({White should try} 36. g4 $14) 36... g5 $11 37. f4 gxf4+ 38. Kxf4 Kg6 (38... Rh6 $11) 39. Rc3 $16 Rf7 $2 {[%mdl 8192]} (39... Rd5 $16) 40. Rg3+ $18 Kh6 41. d5 cxd5 {[#]} 42. Rxd5 $2 (42. Rg8 $1 $18 Rc6 43. Rxd8 Rc4+ 44. Ke3) 42... Nb7 $2 {[%mdl 8192]} (42... Re8 $16) 43. Rg5 $2 (43. Rdd3 Rg6 44. Rxg6+ hxg6 45. e6) 43... Rc6 {[#] aiming for ...Rc4+.} 44. Rd4 ({Better is} 44. Rg8 $1 $16 {Black must now prevent Bf8+.} Rc4+ {[%mdl 64] Double Attack} 45. Ke3) 44... Nd8 $1 $11 {[%cal Rd8e6]} 45. Rxd8 {White threatens Rd6+ and mate.} Rc4+ {[%mdl 64] Double Attack} 46. Ke3 $2 (46. Kf3 $1 $11 Kxg5 47. e6) 46... Kxg5 $19 {[%mdl 4096] Endgame KRR-KRB} 47. Rg8+ Kh5 48. Bd6 Rxa4 49. Kf3 b5 $4 {[%mdl 8192]} (49... Rd7 $19 {and all is fine. Threatens to win with ...f4.} 50. g3 b5) 50. e6 $18 Rf6 51. e7 Re4 $2 {[#]} (51... Re6 $18) 52. g4+ $1 {[%mdl 512]} Kh4 (52... Rxg4 53. e8=Q+) 53. gxf5 Re1 54. Bg3+ {[%mdl 64] Double Attack. White mates.} Kh3 55. Bxe1 Rxf5+ 56. Ke4 Rf1 57. Rg3+ Kxh2 58. e8=Q {Accuracy: White = 57%, Black = 58%.} 1-0

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "4.2"]
[White "Sonis, Francesco"]
[Black "Gholami Orimi, Mahdi"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2483"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,13,20,20,20,12,45,47,29,11,33,27,22,35,34,19,8,-9,5,0,0,0,0,0,0,0,0,-13,-21,-64,-58,-63,-61,-73,-47,-147,-85,-191,-194,-221,-165,-156,68,-122,-108,-127,-76,-245,-239,-330,-312,-331,-318,-315,-331,-320,-53,-142,275,-206,-195,-354,-321,-369,-368,-434,-368,-439,-426,-552,-384,-376,-378,-383,-331,-398,-383,-493,-471,-527,-491,-557,-557,-585,-584,-575,-571,-561,-499,-506,-497,-602,-598,-670,-663,-866,-841,-1572,-1538,-4810,-2547,-29973,-11642]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. e3 e6 5. Nf3 Bd6 6. Bd3 {A80: Dutch Defence: Unusual White second moves.} O-O 7. O-O c5 8. dxc5 {White is slightly better.} Bxc5 9. Ne2 h6 10. Bf4 Nc6 11. c4 Qe7 {[#]} 12. Ne5 $146 ({Predecessor:} 12. Ned4 Bd7 13. Rc1 Bd6 14. Bxd6 Qxd6 15. Nb5 Qe7 16. cxd5 Nxd5 17. Bc4 Nb6 18. Be2 {½-½ (38) Mollov,E (2322)-Demir,B (2069) Konya 2017}) 12... Rd8 13. Qb1 Bd7 14. cxd5 Nxd5 15. Nxd7 Rxd7 16. Bg3 Rad8 17. Bc4 Nb6 18. Bb3 Na5 19. Nf4 Nxb3 20. axb3 Qf7 21. Qc2 (21. Rxa7 Nc4 $1 $17 {[%mdl 512]}) 21... Bb4 22. Qe2 (22. Rfd1 $15) 22... a6 (22... g5 $142 23. Nh3 a6) 23. Nh3 (23. Rfd1 $17) 23... Rd2 $19 24. Qf3 Rxb2 25. e4 g5 $2 (25... Rbd2 $17 26. Qf4 Bc3) 26. Be5 $2 (26. Qe3 $1 $14 {was the only good move.} Qe7 27. Qxb6) 26... Rbd2 $36 {[%mdl 2048] ...R8d3 is the strong threat. Black is really pushing.} 27. Qg3 R8d3 {[#]} (27... Qe7 $142 {And now ...R8d3 would win.} 28. Nxg5 Qxg5) 28. f3 $2 (28. Nxg5 $1 $17 {[%mdl 512] is the only way for White.} hxg5 29. Qxg5+ Kf8 30. Rac1) 28... Nd7 29. Nxg5 hxg5 30. Qxg5+ Kf8 31. Rac1 {White threatens Rc8+ and mate.} Bc5+ ({Worse is} 31... Nxe5 32. Rc8+ Rd8 33. Rxd8+ Rxd8 34. Qxd8+ Qe8 35. Qf6+ Nf7 36. exf5 $11) 32. Kh1 a5 $2 ({Black should try} 32... Qg8 $19 33. Qh6+ Kf7 $1 {[%mdl 512]}) 33. exf5 (33. Bc3 $1 $15 Ra2 34. Qd8+ Qe8 35. Qg5) 33... Qxf5 $2 {[%mdl 8192]} ({Don't go for} 33... exf5 $2 34. Qh6+ Ke7 35. Rfe1 $18) (33... Nxe5 $17 {and life is bright.} 34. Rxc5 Nc6 35. fxe6 Qxe6) 34. Qh6+ $4 {[%mdl 8192]} (34. Qg7+ $18 {was the only winning move.} Ke8 35. Rxc5 $1 {[%mdl 512]} Nxe5 36. Rxe5) 34... Ke8 35. Bf4 $2 {[#]} (35. Qh8+ {was called for.} Qf8 36. Qh5+ Kd8 37. Bc3) 35... Re2 $1 36. Bg5 b6 37. Qg7 {aiming for Rxc5!} Qf7 38. Qh8+ Nf8 39. Rc4 {White hopes to continue with Rf4.} Rd5 40. Rf4 Rf5 (40... Rxg5 $2 41. Rxf7 Kxf7 42. Qh3 $17) 41. Rd1 {[%csl Gg5][%cal Rd1d8]} Be7 ({Weaker is} 41... Rxg5 42. Rxf7 Kxf7 43. g3 $17) 42. Qc3 {Qc8+ would kill now.} Qg6 {Strongly threatening ...Rxf4.} 43. Qc6+ Kf7 $1 {Threatens to win with ...Rxf4.} 44. Rxf5+ exf5 45. Qc4+ Qe6 46. Qxe6+ Nxe6 47. Bxe7 Kxe7 {[%mdl 4096] Endgame KRN-KR} 48. h4 Nf4 49. g3 Ng6 50. Kg1 Ne5 51. f4 Ng4 52. Rc1 Re3 {[%mdl 64] Double Attack} 53. Kg2 Rxb3 54. h5 Rb2+ 55. Kg1 a4 {Accuracy: White = 39%, Black = 63%.} (55... Kd6 $142 56. Ra1 Rh2 57. Ra3 Kc5 58. Kf1 Kb4 59. Rd3 a4 60. Rd6 b5 61. Rd4+ {[#]} Kc3 $1 {[%mdl 512]} 62. Rd7 a3 63. h6 a2 64. Ra7 Nxh6 65. Ke1 Kb2 66. Kd1 a1=Q+ 67. Rxa1 Kxa1 68. g4 Nxg4 69. Kc1 b4 70. Kd1 b3 71. Ke1 b2 72. Kf1 b1=Q#) 0-1

[Event "FIDE Online-ch U18 Open 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "4.3"]
[White "Gholami Orimi, Mahdi"]
[Black "Sonis, Francesco"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2428"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2020.12.19"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,146,-8,0,0,0,-23,-12,-14,-4,-6,-6,-25,14,7,14,0,20,33,25,0,35,0,63,56,51,58,49,64,66,67,79,0,272,0,0,-54,-54,-236,-54,-63,-45,-40,0,0,35,-78,-77,-93,242,242,242,239,236,236,224,217,237,239,289,261,283,225,285,240,246,243,224,186,247,170,173,151,178,204,293,295,315,316,387,234,659,639,29952,12844,29978,29979,29979,29980,29980,29981,29981,29980,29980,29979,29979,29979,29981,29981,29981,29982,29982,29983,29983,29984,29985,29986,29986,29987,29989,29986,29986,29987,29987,29988,29988,29989,29989,29990,29994,29995,29996,29993,29993,29991,29993,29992,29992,29992,29992,29993,29993,29993,29993,29994,29994,29994,29995,29995,29995]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bf4 O-O 6. e3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} c5 7. Qc2 cxd4 8. Nxd4 {The position is equal.} Nc6 {[#]} (8... Qe7 {seems wilder.} 9. Nf3 Nc6 10. cxd5 exd5 11. Be2 d4) 9. Nxc6 $146 ({Predecessor:} 9. O-O-O Bxc3 10. Qxc3 Ne4 11. Qe1 Qb6 12. f3 Nc5 13. Kb1 e5 14. Nxc6 Qxc6 15. Bxe5 {0-1 (34) Vishnu,P (2493)-Ponkratov,P (2632) Moscow 2019}) 9... bxc6 10. Bd3 Qe7 11. O-O h6 12. Rfc1 Bb7 (12... e5 $5 13. Bg3 $8 Rd8 $11) 13. cxd5 cxd5 14. Qb3 (14. a3 $5 {[%cal Ra3b4]} Bd6 15. Bxd6 Qxd6 16. Nb5 $11) 14... Ba5 15. Nb5 {Black must now prevent Bd6.} Rfc8 (15... e5 $11 16. Bg3 Nh5) 16. Nd6 $14 Rxc1+ 17. Rxc1 Bb6 $1 18. Nxb7 Qxb7 19. Rc7 Qb8 20. Rxf7 ({White should play} 20. Rc6 $16 Qb7 21. Qc2) 20... Qd8 $2 {[%mdl 8192]} (20... Qc8 $11 {and Black has nothing to worry.} 21. Rxf6 (21. Re7 Bd8 $11) 21... Qc1+ 22. Bf1 gxf6) 21. Rb7 $2 (21. Bg6 $18) 21... Qc8 $11 22. Rxb6 (22. Re7 $11 Bd8 23. Rb7) 22... axb6 $15 23. Qxb6 $2 {[#]} (23. h3 $15) 23... Rxa2 $2 ({Better is} 23... Qc1+ $1 $19 24. Bf1 Rxa2) 24. h3 Ra1+ 25. Kh2 $1 Rc1 (25... Ne4 $5 {[%cal Re4f2]} 26. Bxe4 dxe4 $15) 26. Be5 Rc6 27. Qa7 (27. Qd4 $14) 27... Nd7 $17 28. Bg3 {[#] With the idea Bb5.} Nc5 $2 {[%mdl 8192]} (28... Rb6 $1 $17 {and life is bright.}) 29. Bb5 $18 Nd7 30. Bxc6 Qxc6 31. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Kf7 32. Qa5 Qb6 33. Qa4 Nf6 34. b5 Nd7 35. Qf4+ Ke7 36. Qb4+ Kf7 37. Qa4 e5 38. e4 d4 (38... dxe4 $142 39. Qa2+ (39. Qxe4 Qxb5 40. Qf5+ Kg8 $16) 39... Ke7) 39. Qc4+ Qe6 40. Qe2 Nf6 41. Qc2 Nd7 (41... Qd6 $142) 42. f4 exf4 43. Bxf4 Ke7 {[#]} 44. e5 $1 {[%mdl 576] Deflection, Decoy} Nxe5 $2 (44... Qb6 45. Qc4 g5) 45. Qc5+ Kf6 46. Qxd4 g5 47. Qxe5+ {White mates.} ({Stronger than} 47. b6 gxf4 48. b7 (48. Qxf4+ Ke7 $11) 48... Qe8 $11) 47... Qxe5 48. Bxe5+ Kxe5 {[%mdl 4096] Endgame K3P-KPP} 49. Kg3 h5 50. Kf3 Kd5 51. Ke3 Kc5 52. Ke4 Kxb5 {KPP-KPP} 53. Kf5 g4 54. hxg4 hxg4 55. Kxg4 {KP-K} Kc6 56. Kf5 Kd6 57. Kf6 Kd7 58. g4 Ke8 59. Kg7 Ke7 60. g5 Ke6 61. g6 Ke7 62. Kh7 Kf6 63. g7 Kf7 64. g8=Q+ Kf6 65. Qg6+ Ke5 66. Qg5+ Ke4 67. Kg6 Kd4 68. Qf5 Kc4 69. Kg5 Kd4 70. Qf4+ Kd5 71. Kf5 Kc5 72. Qe4 Kd6 73. Qe5+ Kc6 {[%mdl 32768] Accuracy: White = 73%, Black = 52%. . An unexpected result.} 1/2-1/2

