[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.20"]
[Round "1.1"]
[White "Pogosyan, Stefan"]
[Black "Murzin, Volodar"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2344"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,80,16,12,15,14,16,16,17,12,23,10,10,15,10,8,7,11,8,0,0,0,0,0,0,0,8,0,7,2,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,8,0,0,0,10,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Bd3 Bd6 11. Bg5 Be7 {D13: Slav Defence: Exchange variation without ...Bf5} 12. O-O (12. Bxf6 Bxf6 13. Rc1 O-O 14. O-O Rc8 15. Qd1 g6 16. f4 Be7 17. Na4 Nb4 18. Rxc8 Qxc8 19. Bb1 {½-½ (59) Prohaszka,P (2604)-Andreikin,D (2733) Abu Dhabi 2016}) 12... O-O 13. Rac1 h6 14. Bh4 Rc8 15. Qe2 Ne4 {[#] ...Nxc3 is the strong threat.The position is equal.} 16. Bxe7 Nxc3 17. Rxc3 $146 ({Predecessor:} 17. bxc3 Qxe7 18. c4 dxc4 19. Bxc4 {½-½ (65) Naumkin,I (2470)-Conquest,S (2515) Palma de Mallorca 1989}) 17... Nxe7 18. Rfc1 Qd7 19. Kf1 Rxc3 20. Rxc3 Rc8 21. Qc2 Rxc3 22. Qxc3 Kf8 23. Ke2 Ke8 24. b4 Qc6 25. Kd2 Qxc3+ 26. Kxc3 $11 {[%mdl 4096] Endgame KB-KN} Kd7 27. h4 g5 28. hxg5 hxg5 29. a4 Nc8 30. e4 dxe4 31. Bxe4 Nd6 32. Bf3 Kc7 33. g3 f6 34. Bg2 Kd7 35. Kd3 Kd8 36. Bf3 Kd7 37. Bg2 Kd8 38. Bf3 Kd7 39. Bg2 Kd8 40. Bf3 Kd7 {Accuracy: White = 55%, Black = 70%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.20"]
[Round "1.2"]
[White "Gaifullin, Artur"]
[Black "Drygalov, Andrey"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2453"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,75,-39,-35,-37,-42,-39,-48,-33,-68,-59,-69,-32,-39,-13,-41,-63,-66,12,14,21,14,6,15,61,45,75,71,98,83,116,103,129,10,16,15,15,13,64,14,429,427,410,185,690,687,779,768,29991,29983,29982,29979]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. O-O Nge7 8. a3 O-O 9. Rb1 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Nc4 Rb8 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (14... h6 15. Be3 b6 16. Qa4 Bd7 17. Qd1 Rb8 18. f4 Nf5 19. Bd2 b5 20. Nxe5 Nxe5 21. fxe5 Bxe5 22. Kh1 {½-½ (58) Radjabov,T (2713)-Grischuk,A (2783) Beijing 2013}) 15. a4 b6 16. b3 Qd7 {Black is slightly better.} 17. Re1 $146 ({Predecessor:} 17. Bb2 Bh3 18. Ne4 Bxg2 19. Kxg2 f5 20. Ng5 h6 21. Nf3 Qe6 {0-1 (49) Algars,O (1980)-Watzka,H (2165) Hersonissos 2017}) 17... f5 18. Bb2 h6 19. Nb5 g5 20. Qc1 f4 21. Be4 Nd4 (21... Bd5 $15) 22. e3 $1 $11 {[%cal Re3d4]} fxe3 23. fxe3 Nxb5 24. axb5 Qc7 25. Qc2 Bd7 26. d4 Bxb5 {[%cal Re5d4]} 27. Nxe5 Rbc8 {[#]} 28. Rbc1 $1 Qd6 {With the idea ...cxd4.} 29. Qg2 (29. Nc4 $16 Qb8 30. d5 Bxb2 31. Qxb2 Bxc4 32. bxc4) 29... cxd4 30. exd4 Rxc1 31. Rxc1 Kh8 ({Black should play} 31... Ba6 $11) 32. Bb1 Bxe5 $4 {[%mdl 8192]} (32... Bd7 $1 $11 {and Black is okay.}) 33. dxe5 $18 Qe6 34. Qc2 $40 {[%mdl 128] White goes for the king.} (34. Qe4 $142 {[%csl Gb1][%cal Re4h7]} Rf7 35. Rd1) 34... Rf7 $2 (34... Qf5 35. Qxf5 Nxf5) 35. Rd1 {And now Rd8+ would win.} Nd5 36. Qg6 Nf6 37. Rd8+ {Played: Qg6xh6} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.20"]
[Round "1.3"]
[White "Ofitserian, Boris"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2409"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,-25,-11,-33,-28,-44,-33,-81,-72,-85,-81,-124,-115,-111,-114,-106,-89,-80,-41,-36,-36,-37,-33,-34,-27,-67,-66,-62,-62,-50,-71,-53,-67,-69,-41,-115,-43,-132,0,0,0,-14,0,-139,-170,-203,-2,0,-20,-108,0,-202,-83,-426,-12,-645,-667,-608,-546,-1030,-950,-1545,-703,-1025,-1010,-1202,-1187,-1104,-639,-1140,-1085,-5710,-3693,-29987,-29988,-29999]} 1. Nf3 d5 2. c4 d4 3. b4 g5 (3... Bg4 4. Qb3 Bxf3 5. Qxf3 c6 6. g3 e5 7. b5 Nf6 8. Bg2 Be7 9. d3 O-O 10. O-O a6 11. Nd2 Qc7 12. bxc6 Nxc6 {1-0 (41) Duda,J (2731)-Laznicka,V (2670) Prague 2019}) 4. Bb2 Bg7 5. d3 g4 6. Nfd2 {A09: Réti Opening: 1 Nf3 d5 2 c4} e5 7. Nb3 $146 ({Predecessor:} 7. g3 Ne7 8. Bg2 c6 9. Nb3 h5 10. N1d2 h4 {1-0 (54) Bautista Sanchez,J (2176)-Povill Claros,X (2116) Barcelona 2016}) 7... Ne7 8. N1d2 {Black is slightly better.} b6 9. a4 O-O 10. Qc2 Bb7 11. Ba3 Nd7 12. Rg1 a5 13. bxa5 bxa5 14. g3 Re8 15. h3 h5 16. hxg4 hxg4 17. Bg2 Bxg2 18. Rxg2 Nc6 19. Rh2 Rb8 20. Rh4 f5 21. Kf1 Nf6 22. Kg2 (22. Nc5 $1 $15) 22... Nb4 ({Better is} 22... e4 $17 23. dxe4 fxe4) 23. Qc1 (23. Qd1 $15) 23... c6 (23... e4 $1 $17 {[%cal Re4d3]} 24. Nxa5 exd3 25. exd3 Nxd3) 24. Nc5 $11 e4 25. Ndb3 e3 26. f3 (26. Bb2 $1 $11) 26... gxf3+ $17 27. Kxf3 Ng4 $2 (27... Nd7 $1 $19 28. Nxd7 Qxd7) 28. Bxb4 $1 $11 Rxb4 ({Don't play} 28... axb4 29. a5 $15) 29. Kg2 (29. Rh5 $11 {keeps the balance.}) 29... Nf2 (29... Qd6 $17 30. Qh1 Qg6) 30. Rf4 $2 (30. Qg1 $1 $11) 30... Qf6 $36 {[%mdl 2048] White is under strong pressure.} (30... Qd6 $19 {Hoping for ...Qg6.} 31. Qg1 Be5 32. Rxf5 Qg6 {[%mdl 64] Double Attack}) 31. Nxa5 $2 {[%mdl 8192]} (31. Qg1 $17 {is more resistant.}) 31... Qh6 $2 ({Black should play} 31... Qg6 $19 {White must now prevent ...Be5.} 32. Qg1 Rb2) 32. Rh4 $4 {[%mdl 8192]} (32. Rxf2 $11 exf2 33. Qxh6 Bxh6 34. Nxc6 {[%mdl 64] Double Attack}) 32... Qg5 {Played: Qh6-g6} 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.20"]
[Round "1.4"]
[White "Drygalov, Sergey"]
[Black "Yeletsky, Ivan"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "2485"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,45,25,33,16,35,49,41,51,41,35,27,42,53,45,59,51,54,39,43,47,41,46,45,45,43,42,53,37,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 e5 {[%cal Re5d4] D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4} 9. d5 Nd4 10. Nxd4 exd4 {White is slightly better.} 11. Qxd4 c6 12. Qc4 b5 13. Qxc6 Bd7 14. Qd6 {Threatens to win with 0-0.} Re8 15. Bg5 b4 (15... Rb8 16. a3 {½-½ (31) Giri,A (2783)-Mamedyarov,S (2817) Wijk aan Zee 2019}) 16. Qxb4 Nxd5 17. Nxd5 Qxg5 {[#]} 18. O-O $146 Rab8 19. Qd6 Bh3 {[%csl Gh3][%cal Rg5g2] [#]} 20. Nf4 Bg4 21. Bxg4 {And now Bd7 would win.} Be5 22. Qd1 {Hoping for Nd5.} (22. Qd7 {seems wilder.} Qxf4 23. g3 Qf6 24. Rab1 Bd4 25. Qc7) 22... Qxf4 {[%csl Ge5][%cal Rf4h2] The position is equal.} 23. g3 Qxe4 24. Bf3 Qf5 25. Bg4 Qf6 26. Rb1 Rxb2 27. Rxb2 Bxb2 28. Re1 Rd8 (28... Rxe1+ {is interesting.} 29. Qxe1 h5 30. Bd1 h4 31. Qe3 Kg7) 29. Qf3 h5 30. Qxf6 Bxf6 $11 {[%mdl 4096] Endgame KRB-KRB} 31. Bf3 Rd2 32. Re2 Rxe2 33. Bxe2 {KB-KB} Bd4 34. Bc4 Kg7 35. h4 Bb6 36. Kg2 Bc5 37. Bb3 Bb6 38. Bc4 Bc5 39. Bb3 Bb6 40. Bc4 Bc5 41. Bb3 {Accuracy: White = 90%, Black = 85%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.20"]
[Round "1.5"]
[White "Galaktionov, Artem"]
[Black "Khanin, Semen"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2332"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "171"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,171,30,22,19,30,30,30,31,37,30,34,36,39,22,25,-23,-23,-16,-14,-39,0,0,31,31,21,37,34,25,33,33,26,22,20,18,7,8,98,108,73,51,47,46,73,75,112,119,196,197,304,295,303,276,302,302,291,265,312,295,266,244,366,256,256,256,256,256,480,486,412,352,427,424,423,326,422,421,425,414,421,392,382,389,374,365,382,382,341,308,385,372,416,415,348,367,400,355,376,391,390,297,297,257,376,376,499,382,553,553,552,550,552,538,520,512,479,453,613,875,824,844,800,787,1001,857,521,833,767,573,595,602,3879,1441,29960,29953,29971,29972,29972,29968,29971,29972,29973,29973,29973,29974,29973,29975,29974,29975,29976,29975,29975,29975,29974,29975,29978,606,29977,29979,29982,29983,29983,29982,29982,29983]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 8. Bd3 {White has an edge.} Bd6 (8... h6 9. Bf4 g5 10. Bg3 Nh5 11. Be5 Nhf6 12. Bg3 Nh5 13. Ne2 Nxg3 14. Nxg3 {1-0 (61) Leko,P (2679)-Caruana,F (2832) Germany 2019}) 9. O-O O-O 10. h3 c6 11. Rc1 Qb8 $146 ({Predecessor:} 11... Qc7 12. Ne2 Ne4 13. Bf4 f5 {1-0 (52) Korobov,A (2698)-Bosiocic,M (2599) St Petersburg 2018}) 12. Na4 Ne4 13. Bh4 h6 14. Ne1 g5 15. f3 Ng3 (15... f5 $5 {[%cal Rg5h4]} 16. fxe4 fxe4 $11) 16. Bxg3 $1 Bxg3 17. Bb1 f5 18. Nd3 Bh2+ 19. Kh1 {Black must now prevent Ndc5.} Bd6 20. f4 Qe8 21. Ne5 Rd8 22. Qf3 Nxe5 (22... Kh8 $11 {remains equal.}) 23. fxe5 $16 Be7 24. Nc5 Bxc5 25. Rxc5 Rd7 26. Rc2 Rg7 27. Rcf2 h5 (27... g4 $16 28. Qg3 Rg5) 28. Qe2 $18 Qg6 {[#]} (28... g4 $142 29. Bxf5 Rxf5 30. Rxf5 Bxf5 31. Rxf5 gxh3) 29. g4 $1 {[%cal Rg4f5][%mdl 512]} hxg4 (29... fxg4 30. Rxf8+) 30. hxg4 Rh7+ 31. Rh2 Rxh2+ 32. Qxh2 Kg7 {...Rh8 is the strong threat.} 33. Kg1 Rh8 34. Qg2 {[%cal Rg4f5]} Rh4 (34... Bc8 $142 35. Bxf5 (35. gxf5 Qh5 $16) 35... Bxf5 36. Rxf5 (36. gxf5 Qh5 $16) 36... Qh6) 35. Bxf5 ({Less strong is} 35. gxf5 Qh5 $16) 35... Qh6 36. Bxe6 Qxe6 {[%mdl 4096] Endgame KQR-KQR} 37. Rf5 Qg6 $2 (37... Qe7 {was called for.} 38. Qf3 Rh6) 38. Qf3 Rh8 39. e6 {Strongly threatening Rf7+.} Re8 40. Rf7+ Kg8 41. Qf5 Rxe6 42. Qxg6+ Rxg6 43. Rxb7 {KR-KR} Re6 44. Kf2 Rf6+ 45. Ke2 Rh6 46. Rb6 a5 {[#]} 47. a4 $1 Kf7 48. b3 Ke7 49. Ra6 Kd6 50. Rxa5 Rh2+ 51. Kf3 Rh3+ {[#]} 52. Kf2 $1 Rh2+ 53. Kg3 Rb2 54. Ra7 Rxb3 55. Kf2 Rb2+ (55... Ra3 $142 56. Ra8 Kc7 57. Ra7+ Kd6) 56. Kf3 Ra2 57. a5 Ke6 (57... Ra3 {was necessary.} 58. Ra8 Ra1) 58. Rc7 Kd6 59. Rg7 Rxa5 60. Rg6+ Kd7 61. Rxg5 Ra1 62. Rg7+ Ke6 63. Rg6+ Kd7 64. g5 Rc1 65. Kf4 Ke7 66. Rf6 Rf1+ 67. Ke5 Rg1 68. Kf5 Rf1+ {[#]} 69. Kg6 $1 Rc1 70. Kg7 (70. Rf7+ $142 Ke6 71. Rf5) 70... c5 71. dxc5 Rxc5 72. g6 Rc1 73. Rf5 Ke6 74. Rg5 Rh1 75. Rg3 Ke7 76. Kg8 Rh2 77. g7 Rh5 78. Rf3 Ke8 79. Rf6 Ke7 80. Rg6 Rh1 81. Rg5 Rh3 82. Re5+ (82. Rxd5 $142 Rxe3 83. Rh5 Rg3 84. Kh8 Kf7 85. Rh7 Rxg7 86. Rxg7+ Kf6 87. Rg1) 82... Kf6 83. Rxd5 {White mates.} Rxe3 84. Kf8 Ra3 85. Rd6+ Ke5 86. Rd8 {[%mdl 64] Decoy. Accuracy: White = 86%, Black = 51%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.21"]
[Round "2.1"]
[White "Murzin, Volodar"]
[Black "Khanin, Semen"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2407"]
[BlackElo "2524"]
[Annotator "ChessBase"]
[PlyCount "120"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:08]} Bc5 {[%emt 0:00:00]} 4. O-O {[%emt 0:00:14]} Nf6 {[%emt 0:00:00]} 5. d3 {[%emt 0:00:08]} d6 {[%emt 0:00:00]} 6. c3 {[%emt 0:00:19]} a6 {[%emt 0:00:00]} 7. a4 {[%emt 0:00:06]} Ba7 {[%emt 0:00:01]} 8. Re1 {[%emt 0:01:07]} O-O {[%emt 0:00:08]} 9. h3 {[%emt 0:00:13]} Ne7 {[%emt 0:00:06]} 10. d4 {[%emt 0:00:44]} Ng6 {[%emt 0:00:42]} 11. Nbd2 {[%emt 0:00:21]} h6 {[%emt 0:08:06]} 12. Bf1 {[%emt 0:11:00]} Re8 {[%emt 0:02:57]} 13. Qc2 {[%emt 0:00:32]} Nh7 {[%emt 0:16:46]} 14. dxe5 {[%emt 0:05:26]} dxe5 {[%emt 0:01:08]} 15. Nc4 {[%emt 0:01:44]} Qf6 {[%emt 0:02:45]} 16. Ne3 {[%emt 0:05:21]} Nf4 {[%emt 0:13:02]} 17. Nf5 {[%emt 0:07:28]} g6 {[%emt 0:09:16]} 18. Bxf4 {[%emt 0:09:40]} exf4 {[%emt 0:10:09]} 19. N5d4 {[%emt 0:12:25]} Ng5 {[%emt 0:00:35]} 20. e5 {[%emt 0:02:16]} Nxf3+ {[%emt 0:08:14]} 21. Nxf3 {[%emt 0:00:21]} Qc6 {[%emt 0:00:37]} 22. Bd3 {[%emt 0:03:33]} Kg7 {[%emt 0:08:45]} 23. Be4 {[%emt 0:03:50]} Qc5 {[%emt 0:00:06]} 24. b4 {[%emt 0:03:44]} Qe7 {[%emt 0:00:25]} 25. Rad1 {[%emt 0:02:54]} c6 {[%emt 0:02:32]} 26. b5 {[%emt 0:07:50]} cxb5 {[%emt 0:01:36]} 27. axb5 {[%emt 0:00:03]} axb5 {[%emt 0:01:19]} 28. Qb2 {[%emt 0:02:31]} Bc5 {[%emt 0:04:00]} 29. Bd5 {[%emt 0:04:39]} Ra6 {[%emt 0:02:09]} 30. Qxb5 {[%emt 0:02:04]} Rb6 {[%emt 0:00:06]} 31. Qc4 {[%emt 0:02:14]} Rb2 {[%emt 0:00:06]} 32. Rd2 {[%emt 0:01:19]} Rxd2 {[%emt 0:00:51]} 33. Nxd2 {[%emt 0:00:03]} Rd8 {[%emt 0:02:57]} 34. Nb3 {[%emt 0:08:57]} b5 {[%emt 0:00:19]} 35. Qe4 {[%emt 0:00:43]} Bf5 {[%emt 0:02:46]} 36. Qf3 {[%emt 0:00:05]} Bb6 {[%emt 0:00:18]} 37. Nd4 {[%emt 0:02:24]} Bxd4 {[%emt 0:00:42]} 38. cxd4 {[%emt 0:00:01]} Qb4 {[%emt 0:00:40]} 39. Rd1 {[%emt 0:01:00]} Bc2 {[%emt 0:00:10]} 40. Rf1 {[%emt 0:00:00]} Qxd4 {[%emt 0:00:00]} 41. Ba2 {[%emt 0:02:10]} Qxe5 {[%emt 0:04:32]} 42. Qb7 {[%emt 0:00:28]} Qf5 {[%emt 0:00:47]} 43. Re1 {[%emt 0:02:09]} Rd1 {[%emt 0:01:40]} 44. Rxd1 {[%emt 0:00:09]} Bxd1 {[%emt 0:00:05]} 45. Qa7 {[%emt 0:00:40]} Be2 {[%emt 0:03:51]} 46. f3 {[%emt 0:00:54]} Qf6 {[%emt 0:00:50]} 47. Kh2 {[%emt 0:00:00]} Bc4 {[%emt 0:00:05]} 48. Bxc4 {[%emt 0:00:00]} bxc4 {[%emt 0:00:53]} 49. Qc5 {[%emt 0:00:29]} Qc3 {[%emt 0:02:38]} 50. Qd5 g5 51. h4 {[%emt 0:01:14]} g4 {[%emt 0:06:04]} 52. fxg4 {[%emt 0:02:57]} Qg3+ {[%emt 0:00:04]} 53. Kh1 {[%emt 0:00:05]} Qxh4+ {[%emt 0:00:08]} 54. Kg1 {[%emt 0:00:01]} c3 {[%emt 0:00:39]} 55. Qe5+ {[%emt 0:00:27]} Qf6 {[%emt 0:00:05]} 56. Qc5 {[%emt 0:00:05]} f3 {[%emt 0:01:40]} 57. gxf3 {[%emt 0:00:31]} Qxf3 {[%emt 0:00:05]} 58. Kh2 {[%emt 0:00:17]} Qe2+ {[%emt 0:01:46]} 59. Kg3 {[%emt 0:00:50]} Qd3+ {[%emt 0:01:43]} 60. Kh4 {[%emt 0:00:16]} c2 {[%emt 0:00:15]} 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.21"]
[Round "2.2"]
[White "Yeletsky, Ivan"]
[Black "Galaktionov, Artem"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2409"]
[BlackElo "2332"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:08]} Ne7 {[%emt 0:00:38]} 6. O-O {[%emt 0:00:12]} Nd7 {[%emt 0:00:06]} 7. Nbd2 {[%emt 0:00:13]} Bg6 {[%emt 0:01:58]} 8. Nb3 {[%emt 0:05:50]} Nf5 {[%emt 0:01:26]} 9. Bd2 {[%emt 0:00:28]} Be7 {[%emt 0:00:27]} 10. Rc1 {[%emt 0:07:55]} O-O {[%emt 0:13:16]} 11. g4 {[%emt 0:09:32]} Nh4 {[%emt 0:01:16]} 12. Nxh4 {[%emt 0:00:13]} Bxh4 {[%emt 0:00:01]} 13. f4 {[%emt 0:00:15]} f5 {[%emt 0:07:11]} 14. g5 {[%emt 0:02:07]} h6 {[%emt 0:00:18]} 15. gxh6 {[%emt 0:01:12]} gxh6 {[%emt 0:00:04]} 16. Ba5 {[%emt 0:09:41]} Qe8 {[%emt 0:03:02]} 17. Rf3 {[%emt 0:12:08]} Kh7 {[%emt 0:04:32]} 18. Rh3 {[%emt 0:00:34]} Be7 19. Kh1 {[%emt 0:03:37]} Bf7 {[%emt 0:12:18]} 20. Nd2 {[%emt 0:11:05]} Rg8 {[%emt 0:05:13]} 21. Nf3 {[%emt 0:02:24]} Rg4 {[%emt 0:21:56]} 22. Ng5+ {[%emt 0:03:35]} Bxg5 {[%emt 0:01:07]} 23. fxg5 {[%emt 0:00:32]} Rxg5 {[%emt 0:01:11]} 24. Bd2 {[%emt 0:02:08]} Rg6 {[%emt 0:01:21]} 25. Bh5 {[%emt 0:03:52]} Rg7 {[%emt 0:00:28]} 26. Bxh6 {[%emt 0:00:58]} Bxh5 {[%emt 0:09:46]} 27. Bxg7 {[%emt 0:00:12]} Kxg7 {[%emt 0:00:05]} 28. Rxh5 {[%emt 0:00:24]} Nf8 {[%emt 0:01:56]} 29. Rg5+ {[%emt 0:02:31]} Kf7 {[%emt 0:00:20]} 30. Qh5+ {[%emt 0:00:14]} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.21"]
[Round "2.3"]
[White "Triapishko, Alexandr"]
[Black "Drygalov, Sergey"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2506"]
[BlackElo "2485"]
[Annotator "RC"]
[PlyCount "130"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:01]} e5 {[%emt 0:00:21]} 2. Nc3 {[%emt 0:00:27]} Nf6 {[%emt 0:02:28]} 3. g3 {[%emt 0:00:20]} Bb4 {[%emt 0:00:09]} 4. Bg2 {[%emt 0:17:34]} O-O {[%emt 0:00:58]} 5. Nf3 {[%emt 0:04:33]} Nc6 {[%emt 0:00:06]} 6. O-O {[%emt 0:04:02]} d6 {[%emt 0:00:06]} 7. d3 {[%emt 0:02:33]} h6 {[%emt 0:00:07]} 8. Na4 {[%emt 0:08:22]} Bc5 {[%emt 0:15:10]} 9. b3 {[%emt 0:15:06]} Qe7 {[%emt 0:04:06]} 10. Bb2 {[%emt 0:01:26]} a5 {[%emt 0:06:39]} 11. e3 {[%emt 0:09:02]} Ba7 {[%emt 0:02:01]} 12. Nc3 {[%emt 0:04:19]} Bf5 {[%emt 0:03:34]} 13. a3 {[%emt 0:06:28]} Qd7 {[%emt 0:14:13]} 14. d4 {[%emt 0:05:36]} exd4 {[%emt 0:02:25]} 15. Nd5 {[%emt 0:07:44]} Nxd5 {[%emt 0:10:30]} 16. cxd5 {[%emt 0:00:04]} Ne5 {[%emt 0:06:09]} 17. Bxd4 {[%emt 0:01:35]} Bg4 {[%emt 0:11:55]} 18. Bxa7 {[%emt 0:01:26]} Bxf3 {[%emt 0:02:45]} 19. Bxf3 {[%emt 0:00:05]} Rxa7 {[%emt 0:00:24]} 20. Bg2 {[%emt 0:02:56]} c5 {[%emt 0:01:26]} 21. dxc6 {[%emt 0:02:06]} bxc6 {[%emt 0:00:09]} 22. Rc1 {[%emt 0:01:12]} d5 {[%emt 0:01:50]} 23. Qd4 {[%emt 0:01:59]} Re8 {[%emt 0:01:02]} 24. Rc5 {[%emt 0:01:30]} Qe7 {[%emt 0:09:34]} 25. Qc3 {[%emt 0:00:48]} Rb8 {[%emt 0:02:07]} 26. e4 {[%emt 0:00:40]} Nd7 {[%emt 0:00:11]} 27. Rxc6 {[%emt 0:00:29]} dxe4 {[%emt 0:00:31]} 28. Rc8+ {[%emt 0:01:00]} Rxc8 {[%emt 0:00:24]} 29. Qxc8+ {[%emt 0:00:01]} Nf8 {[%emt 0:00:20]} 30. a4 {[%emt 0:01:01]} e3 {[%emt 0:00:12]} 31. fxe3 {[%emt 0:00:30]} Qxe3+ {[%emt 0:00:02]} 32. Kh1 {[%emt 0:00:04]} Qxb3 {[%emt 0:01:52]} 33. Qc5 {[%emt 0:00:06]} Qb8 {[%emt 0:00:10]} 34. Rc1 {[%emt 0:01:16]} Ne6 {[%emt 0:01:50]} 35. Qb5 {[%emt 0:00:32]} Qd8 {[%emt 0:00:56]} 36. Bb7 {[%emt 0:00:31]} Qe7 {[%emt 0:00:11]} 37. Bd5 {[%emt 0:00:33]} Nf8 {[%emt 0:00:48]} 38. Rf1 {[%emt 0:00:27]} Qd6 {[%emt 0:00:19]} 39. Qc4 {[%emt 0:00:28]} Ne6 {[%emt 0:00:18]} 40. Qc8+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 41. Rd1 {[%emt 0:21:37]} g6 {[%emt 0:01:44]} 42. Qc3 {[%emt 0:05:37]} Ng7 {[%emt 0:08:35]} 43. Bf3 {[%emt 0:01:43]} Qb6 {[%emt 0:00:17]} 44. Qd4 {[%emt 0:00:58]} Qa6 {[%emt 0:02:22]} 45. Qd6 {[%emt 0:01:27]} Qc8 {[%emt 0:04:01]} 46. Qb6 {[%emt 0:00:43]} Qc3 {[%emt 0:01:19]} 47. Bb7 {[%emt 0:01:02]} Qc2 {[%emt 0:04:26]} 48. Rf1 {[%emt 0:00:54]} Rxb7 {[%emt 0:01:37]} 49. Qxb7 {[%emt 0:00:03]} Qxa4 {[%emt 0:00:03]} 50. Qxf7 {[%emt 0:00:42]} Qd4 {[%emt 0:00:23]} 51. Qf4 {[%emt 0:00:40]} Qd5+ {[%emt 0:00:14]} 52. Qf3 {[%emt 0:00:08]} Qe5 {[%emt 0:00:04]} 53. Kg2 {[%emt 0:01:25]} h5 {[%emt 0:00:41]} 54. Qf4 {[%emt 0:00:10]} Qd5+ {[%emt 0:00:04]} 55. Qf3 {[%emt 0:00:03]} Qe5 {[%emt 0:00:04]} 56. Rf2 {[%emt 0:00:53]} Nf5 {[%emt 0:01:08]} 57. Re2 {[%emt 0:00:19]} Qb5 {[%emt 0:00:16]} 58. Rc2 {[%emt 0:00:57]} Qe5 {[%emt 0:00:13]} 59. Re2 {[%emt 0:00:39]} Qb5 {[%emt 0:00:01]} 60. Re6 {[%emt 0:00:34]} Qb2+ {[%emt 0:00:17]} 61. Qe2 {[%emt 0:00:26]} Qc3 {[%emt 0:02:00]} 62. Re4 {[%emt 0:00:36]} Qc6 {[%emt 0:00:05]} 63. Kh3 {[%emt 0:00:26]} Qd7 {[%emt 0:01:36]} 64. Kg2 {[%emt 0:00:24]} Qc6 {[%emt 0:00:23]} 65. Qf3 {[%emt 0:00:36]} a4 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.21"]
[Round "2.4"]
[White "Drygalov, Andrey"]
[Black "Ofitserian, Boris"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2481"]
[BlackElo "2409"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:04]} 6. Be3 {[%emt 0:00:01]} e5 {[%emt 0:04:19]} 7. Nb3 {[%emt 0:00:06]} Be6 {[%emt 0:02:49]} 8. f3 {[%emt 0:00:07]} Be7 {[%emt 0:22:21]} 9. Qd2 {[%emt 0:00:06]} O-O {[%emt 0:00:05]} 10. O-O-O {[%emt 0:00:15]} a5 {[%emt 0:00:03]} 11. a4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:03]} 12. g4 {[%emt 0:00:05]} Nb4 {[%emt 0:00:11]} 13. Kb1 {[%emt 0:00:18]} Rc8 {[%emt 0:06:43]} 14. g5 {[%emt 0:00:05]} Nh5 {[%emt 0:00:16]} 15. Rg1 {[%emt 0:00:05]} g6 {[%emt 0:13:32]} 16. Bb5 {[%emt 0:03:01]} f5 {[%emt 0:06:57]} 17. gxf6 {[%emt 0:05:21]} Nxf6 {[%emt 0:07:18]} 18. Bg5 {[%emt 0:36:49]} Qc7 {[%emt 0:12:13]} 19. Rg2 {[%emt 0:17:43]} Rfd8 {[%emt 0:06:02]} 20. Bxf6 {[%emt 0:07:43]} Bxf6 {[%emt 0:00:04]} 21. Nd5 {[%emt 0:00:55]} Nxd5 {[%emt 0:06:31]} 22. exd5 {[%emt 0:00:06]} Bh3 {[%emt 0:00:55]} 23. Rg3 {[%emt 0:01:03]} Bf5 {[%emt 0:03:04]} 24. Bd3 {[%emt 0:00:44]} Bxd3 {[%emt 0:05:59]} 25. Qxd3 {[%emt 0:00:10]} e4 {[%emt 0:02:13]} 26. Qxe4 {[%emt 0:13:29]} Re8 {[%emt 0:00:16]} 27. Qd3 {[%emt 0:00:05]} Re3 {[%emt 0:00:57]} 28. Qd2 {[%emt 0:00:05]} Rce8 {[%emt 0:00:31]} 29. Qxa5 {[%emt 0:05:54]} Qg7 {[%emt 0:00:17]} 30. c3 {[%emt 0:01:12]} Qd7 {[%emt 0:00:12]} 31. Ka2 {[%emt 0:05:02]} Be5 {[%emt 0:00:22]} 32. Rg2 {[%emt 0:01:39]} Rxf3 {[%emt 0:00:25]} 33. Qb5 {[%emt 0:00:11]} Qf7 {[%emt 0:00:23]} 34. Nd4 {[%emt 0:02:23]} Bxd4 {[%emt 0:00:01]} 35. Rxd4 {[%emt 0:00:07]} Rfe3 {[%emt 0:00:58]} 36. Rgd2 {[%emt 0:00:58]} Re1 {[%emt 0:00:59]} 37. Qb6 {[%emt 0:00:31]} Qd7 {[%emt 0:00:35]} 38. Rb4 {[%emt 0:01:38]} Ra8 {[%emt 0:00:30]} 39. Rdd4 {[%emt 0:00:39]} Re7 {[%emt 0:00:35]} 40. Rdc4 {[%emt 0:00:00]} Ra6 {[%emt 0:00:00]} 41. Qb5 {[%emt 0:00:50]} Qf5 {[%emt 0:05:25]} 42. Rd4 {[%emt 0:15:35]} Ra8 {[%emt 0:11:54]} 43. h4 {[%emt 0:02:05]} Rf8 {[%emt 0:03:59]} 44. Qd3 {[%emt 0:01:50]} Qf2 {[%emt 0:02:35]} 45. Re4 {[%emt 0:00:45]} Ref7 {[%emt 0:00:12]} 46. Qe2 {[%emt 0:01:32]} Qc5 {[%emt 0:06:02]} 47. Rb5 {[%emt 0:00:36]} Qc7 {[%emt 0:00:15]} 48. Re8 {[%emt 0:03:14]} Rxe8 {[%emt 0:00:24]} 49. Qxe8+ {[%emt 0:00:05]} Kg7 {[%emt 0:00:03]} 50. Qe4 {[%emt 0:00:14]} Rf5 {[%emt 0:00:22]} 51. Qb4 {[%emt 0:00:44]} Kh6 {[%emt 0:03:46]} 52. Rxb7 {[%emt 0:00:25]} Qd8 {[%emt 0:00:01]} 53. Qd4 {[%emt 0:00:25]} Qg8 {[%emt 0:00:53]} 54. c4 {[%emt 0:00:38]} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.21"]
[Round "2.5"]
[White "Pogosyan, Stefan"]
[Black "Gaifullin, Artur"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2344"]
[BlackElo "2453"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 5. e4 {[%emt 0:01:01]} Bb4 {[%emt 0:00:03]} 6. Bg5 {[%emt 0:00:10]} c5 {[%emt 0:00:09]} 7. Bxc4 {[%emt 0:00:22]} cxd4 {[%emt 0:00:05]} 8. Nxd4 {[%emt 0:00:05]} Bxc3+ {[%emt 0:00:06]} 9. bxc3 {[%emt 0:00:11]} Qa5 {[%emt 0:00:04]} 10. Bb5+ {[%emt 0:11:05]} Nbd7 {[%emt 0:00:16]} 11. Bxf6 {[%emt 0:03:46]} Qxc3+ {[%emt 0:00:02]} 12. Kf1 {[%emt 0:00:14]} gxf6 {[%emt 0:00:03]} 13. Rc1 {[%emt 0:00:10]} Qb4 {[%emt 0:00:53]} 14. h4 {[%emt 0:05:01]} a6 {[%emt 0:00:45]} 15. Rc4 {[%emt 0:13:54]} Qd6 {[%emt 0:00:45]} 16. Qc2 {[%emt 0:09:54]} O-O {[%emt 0:09:51]} 17. Bxd7 {[%emt 0:02:17]} Bxd7 {[%emt 0:00:03]} 18. Rh3 {[%emt 0:00:51]} b5 {[%emt 0:00:25]} 19. Rcc3 {[%emt 0:01:38]} e5 {[%emt 0:18:51]} 20. Nf5 {[%emt 0:13:53]} Bxf5 {[%emt 0:00:06]} 21. exf5 {[%emt 0:00:05]} Rfd8 {[%emt 0:00:04]} 22. h5 {[%emt 0:08:47]} Qd1+ {[%emt 0:04:14]} 23. Qxd1 {[%emt 0:00:15]} Rxd1+ 24. Ke2 Rad8 {[%emt 0:00:04]} 25. h6 {[%emt 0:05:03]} R1d2+ {[%emt 0:01:02]} 26. Ke3 {[%emt 0:03:33]} Kf8 {[%emt 0:02:12]} 27. Rg3 {[%emt 0:03:59]} b4 {[%emt 0:00:15]} 28. Rc6 {[%emt 0:03:48]} R8d3+ {[%emt 0:03:22]} 29. Ke4 {[%emt 0:00:01]} Rxg3 {[%emt 0:00:08]} 30. fxg3 {[%emt 0:00:08]} Rxa2 {[%emt 0:00:02]} 31. Rxf6 {[%emt 0:00:19]} Ra5 {[%emt 0:07:23]} 32. Kd3 {[%emt 0:09:03]} b3 {[%emt 0:00:56]} 33. Kc3 {[%emt 0:00:15]} Rb5 {[%emt 0:00:07]} 34. Kb2 {[%emt 0:00:04]} a5 {[%emt 0:00:03]} 35. g4 {[%emt 0:03:07]} e4 {[%emt 0:02:05]} 36. g5 {[%emt 0:00:47]} Ke7 {[%emt 0:00:12]} 37. g4 {[%emt 0:01:07]} e3 {[%emt 0:31:13]} 38. Rc6 {[%emt 0:00:16]} a4 {[%emt 0:00:15]} 39. Rc1 {[%emt 0:00:24]} a3+ {[%emt 0:00:15]} 40. Kxa3 {[%emt 0:00:00]} b2 {[%emt 0:00:00]} 41. Rb1 {[%emt 0:00:17]} Kf8 {[%emt 0:00:23]} 42. Ka2 {[%emt 0:09:50]} e2 {[%emt 0:00:07]} 43. g6 {[%emt 0:00:05]} fxg6 {[%emt 0:00:11]} 44. fxg6 {[%emt 0:00:04]} hxg6 {[%emt 0:00:13]} 45. h7 {[%emt 0:00:02]} Kg7 {[%emt 0:00:06]} 46. Rh1 {[%emt 0:00:05]} b1=Q+ {[%emt 0:00:04]} 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.22"]
[Round "3.1"]
[White "Gaifullin, Artur"]
[Black "Murzin, Volodar"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2453"]
[BlackElo "2407"]
[Annotator "ChessBase"]
[PlyCount "151"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Bf4 {[%emt 0:00:02]} c5 {[%emt 0:01:11]} 4. e3 {[%emt 0:00:09]} Nc6 {[%emt 0:01:00]} 5. Nbd2 {[%emt 0:00:08]} cxd4 {[%emt 0:05:32]} 6. exd4 {[%emt 0:00:05]} Bg4 {[%emt 0:01:54]} 7. c3 {[%emt 0:00:25]} a6 {[%emt 0:03:23]} 8. h3 {[%emt 0:00:44]} Bxf3 {[%emt 0:03:32]} 9. Nxf3 {[%emt 0:05:50]} e6 {[%emt 0:00:53]} 10. Qb3 {[%emt 0:02:45]} Na5 {[%emt 0:04:34]} 11. Qc2 {[%emt 0:00:02]} Bd6 {[%emt 0:01:11]} 12. Ne5 {[%emt 0:00:04]} O-O {[%emt 0:04:35]} 13. Bd3 {[%emt 0:00:04]} h6 {[%emt 0:03:31]} 14. O-O {[%emt 0:00:43]} Rc8 {[%emt 0:00:20]} 15. Rae1 {[%emt 0:01:27]} Nc6 {[%emt 0:02:04]} 16. Qd2 {[%emt 0:00:21]} Bxe5 {[%emt 0:11:26]} 17. dxe5 {[%emt 0:00:08]} Ne4 {[%emt 0:01:00]} 18. Qe3 {[%emt 0:05:23]} Ne7 {[%emt 0:03:15]} 19. Bxe4 {[%emt 0:00:18]} dxe4 {[%emt 0:00:04]} 20. Qxe4 {[%emt 0:00:07]} Qd5 {[%emt 0:00:27]} 21. Qxd5 {[%emt 0:02:56]} Nxd5 {[%emt 0:00:02]} 22. Re4 {[%emt 0:00:11]} b5 {[%emt 0:06:13]} 23. Rd1 {[%emt 0:01:11]} Rc6 {[%emt 0:02:42]} 24. Rdd4 {[%emt 0:00:34]} Rfc8 {[%emt 0:03:07]} 25. Bd2 {[%emt 0:01:26]} Nb6 {[%emt 0:05:26]} 26. g4 {[%emt 0:02:45]} Rc4 {[%emt 0:05:48]} 27. f4 {[%emt 0:01:22]} b4 {[%emt 0:03:45]} 28. f5 {[%emt 0:12:47]} Rxd4 {[%emt 0:01:41]} 29. Rxd4 {[%emt 0:00:02]} bxc3 {[%emt 0:00:11]} 30. Bxc3 {[%emt 0:00:32]} Nd5 {[%emt 0:00:22]} 31. Be1 {[%emt 0:06:32]} Rc2 {[%emt 0:03:08]} 32. Rd2 {[%emt 0:00:09]} Rc1 {[%emt 0:00:05]} 33. Kf2 {[%emt 0:00:08]} g5 {[%emt 0:02:42]} 34. fxg6 {[%emt 0:03:19]} fxg6 {[%emt 0:00:02]} 35. h4 g5 {[%emt 0:01:17]} 36. hxg5 {[%emt 0:01:25]} hxg5 {[%emt 0:01:36]} 37. b3 {[%emt 0:00:21]} Kf7 {[%emt 0:02:14]} 38. Rb2 {[%emt 0:01:25]} Kg6 {[%emt 0:01:24]} 39. Bd2 {[%emt 0:02:58]} Rh1 {[%emt 0:04:08]} 40. Kg2 {[%emt 0:00:00]} Rd1 {[%emt 0:00:00]} 41. Rc2 {[%emt 0:03:49]} Nb6 {[%emt 0:05:51]} 42. Be3 {[%emt 0:11:21]} Nd5 {[%emt 0:00:40]} 43. Bd2 {[%emt 0:07:31]} Nb6 {[%emt 0:00:34]} 44. Ba5 {[%emt 0:02:23]} Nd5 {[%emt 0:04:15]} 45. Rc6 {[%emt 0:01:05]} Nf4+ {[%emt 0:00:56]} 46. Kf3 {[%emt 0:02:24]} Rf1+ {[%emt 0:04:11]} 47. Ke4 {[%emt 0:07:06]} Rg1 {[%emt 0:00:19]} 48. Rxa6 {[%emt 0:01:42]} Rxg4 {[%emt 0:00:06]} 49. Bd2 {[%emt 0:00:15]} Nd5+ {[%emt 0:01:30]} 50. Kf3 {[%emt 0:02:34]} Rd4 {[%emt 0:01:13]} 51. Ke2 {[%emt 0:01:22]} Kf5 {[%emt 0:00:46]} 52. Ra8 {[%emt 0:00:37]} g4 {[%emt 0:04:11]} 53. a4 {[%emt 0:00:13]} Nf4+ {[%emt 0:07:16]} 54. Bxf4 {[%emt 0:01:12]} Kxf4 {[%emt 0:00:17]} 55. a5 {[%emt 0:00:10]} Re4+ {[%emt 0:03:28]} 56. Kf1 {[%emt 0:00:41]} Rxe5 {[%emt 0:02:27]} 57. b4 {[%emt 0:03:52]} Rb5 {[%emt 0:00:59]} 58. a6 {[%emt 0:00:10]} Rxb4 {[%emt 0:00:07]} 59. Rf8+ {[%emt 0:00:05]} Kg3 {[%emt 0:00:28]} 60. a7 {[%emt 0:00:03]} Rb1+ {[%emt 0:00:07]} 61. Ke2 {[%emt 0:00:04]} Rb2+ {[%emt 0:00:11]} 62. Ke3 {[%emt 0:00:23]} Rb3+ {[%emt 0:00:08]} 63. Ke4 {[%emt 0:00:07]} Rb4+ {[%emt 0:00:03]} 64. Ke5 {[%emt 0:00:11]} Rb5+ {[%emt 0:01:23]} 65. Kxe6 {[%emt 0:00:09]} Ra5 {[%emt 0:02:57]} 66. a8=Q {[%emt 0:00:06]} Rxa8 {[%emt 0:00:02]} 67. Rxa8 {[%emt 0:00:02]} Kf4 {[%emt 0:00:11]} 68. Ra4+ {[%emt 0:15:32]} Kf3 {[%emt 0:00:12]} 69. Kf5 {[%emt 0:00:25]} g3 {[%emt 0:00:12]} 70. Ra3+ {[%emt 0:00:03]} Kf2 {[%emt 0:00:04]} 71. Kf4 {[%emt 0:00:03]} g2 {[%emt 0:00:07]} 72. Ra2+ {[%emt 0:00:06]} Kg1 {[%emt 0:00:57]} 73. Ra8 {[%emt 0:00:37]} Kf2 {[%emt 0:00:22]} 74. Ra2+ {[%emt 0:01:15]} Kg1 {[%emt 0:00:06]} 75. Kg3 {[%emt 0:00:02]} Kh1 {[%emt 0:00:06]} 76. Rxg2 {[%emt 0:00:02]} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.22"]
[Round "3.2"]
[White "Ofitserian, Boris"]
[Black "Pogosyan, Stefan"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2409"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,129,45,47,19,46,28,20,13,9,17,35,41,41,35,31,26,39,44,33,10,10,12,29,22,38,0,0,0,0,0,0,0,16,31,27,16,12,8,21,0,0,0,0,0,49,0,0,0,0,0,0,0,39,30,39,37,38,32,41,12,179,42,40,39,186,189,156,100,100,64,187,177,184,172,188,184,179,181,189,186,187,187,262,184,183,183,183,183,170,177,172,181,222,231,258,212,271,268,379,379,513,490,1084,1032,1422,752,1078,1025,1562,1495,5385,5122,29963,29939,29982,29983,29986,29987]} 1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 Bg7 8. e3 {A61: Modern Benoni: Nf3 without early e4} O-O 9. h3 Na6 10. Bc4 {The position is equal.} Nc7 11. a4 b6 12. O-O Re8 13. Nd2 (13. Nb5 Nxb5 14. axb5 Ne4 15. Ra2 g5 {½-½ (39) Vallejo Pons,F (2698)-Lagarde,M (2604) chess.com INT 2019}) 13... a6 {[#]} 14. Re1 $146 ({Predecessor:} 14. e4 Rb8 {1-0 (36) Tregubov,P (2578)-Kozionov,K (2452) Sochi 2018}) 14... Rb8 15. e4 b5 16. axb5 axb5 {Threatens to win with ...Nh5.} 17. Bf1 h6 18. Bg3 g5 19. Ra5 {[%cal Rc3b5]} (19. Ra7 {is more complex.} Rb6 20. Rxc7 Qxc7 21. Bxb5 Bd7 22. Bf1) 19... Ncxd5 20. Rxb5 Nxc3 21. bxc3 Rxb5 22. Bxb5 Bd7 23. c4 Qb6 24. Bxd7 Nxd7 25. Qa4 Qc7 26. Rb1 Bc3 27. Nf3 Nf6 28. Rb3 Qa5 (28... Bd4 {looks sharper.} 29. Nxd4 cxd4 30. f3 Rc8 31. Rd3 Nh5) 29. Qxa5 Bxa5 30. Bxd6 Nxe4 {[#]} 31. Be5 {Played: Bd6xc5} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.22"]
[Round "3.3"]
[White "Drygalov, Sergey"]
[Black "Drygalov, Andrey"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2485"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 ({Predecessor:} 7... Qc7 8. Qf3 {½-½ (24) Daubenfeld,N (2400)-Nyvlt,Z (2459) ICCF email 2007}) 8. Qf3 Qc7 9. O-O-O b5 10. e5 Bb7 11. Qh3 dxe5 12. Nxe6 fxe6 13. Qxe6+ Be7 {[#]} 14. Bxb5 $1 {[%mdl 512] The position is equal.} axb5 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7} 15. Nxb5 {[%cal Bc3b5,Bb5d6,Bd6f7][%mdl 32]} Qb6 $146 (15... Qc6 16. Nd6+ Kd8 17. fxe5 Kc7 18. Qxe7 Rxa2 19. exf6 Ra1+ 20. Kd2 Qd5+ 21. Kc3 Qa5+ 22. Kd3 Qd5+ 23. Kc3 Qa5+ 24. Kd3 {½-½ (24) Kulaots,K (2573)-Korobov,A (2652) Tegernsee 2017}) 16. Nd6+ Kd8 {Hoping for ...Kc7.} 17. Bxf6 $1 Bxf6 18. Nf7+ {[%mdl 64] Double Attack} Kc8 19. Rd6 $1 ({But not} 19. Qxd7+ Kb8 $17) 19... Qb5 20. c4 Qa4 21. Rhd1 {[%cal Rd6d7] [#]} (21. Nxh8 $2 {[#] is the wrong capture.} Be4 $1 $19 {[%mdl 512]}) 21... Be4 $1 {[%csl Ge4][%cal Ra4c2][%mdl 512]} 22. R1d2 $1 Ra7 23. Rb6 $1 {[#] Strongly threatening Nd6+.} Qxa2 $1 {[%csl Ge4][%cal Ra2b1][%mdl 512]} 24. Nd6+ {[%mdl 64] [#] Double Attack} Kc7 $1 {[%csl Ge4][%cal Ra2b1]} 25. Nb5+ Kc8 {[%csl Ge4][%cal Ra2b1]} 26. Nd6+ {[%mdl 64] [#] Double Attack} Kc7 $1 {[%csl Ge4][%cal Ra2b1]} 27. Ne8+ Kc8 {[%csl Ge4][%cal Ra2b1]} 28. Nd6+ {[%mdl 64] Double Attack} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.22"]
[Round "3.4"]
[White "Galaktionov, Artem"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2332"]
[BlackElo "2506"]
[Annotator "RC"]
[PlyCount "116"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:05:20]} 3. c4 {[%emt 0:00:00]} d5 {[%emt 0:01:15]} 4. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:34]} 5. cxd5 {[%emt 0:00:00]} exd5 {[%emt 0:01:27]} 6. Bg5 {[%emt 0:00:08]} Bf5 {[%emt 0:17:35]} 7. Qa4+ {[%emt 0:07:25]} Nc6 {[%emt 0:01:34]} 8. Ne5 {[%emt 0:00:04]} Qd6 {[%emt 0:25:33]} 9. Bf4 {[%emt 0:21:16]} O-O {[%emt 0:20:21]} 10. e3 {[%emt 0:31:02]} Nxe5 {[%emt 0:04:49]} 11. Bxe5 {[%emt 0:00:53]} Qb6 {[%emt 0:00:53]} 12. Qb3 {[%emt 0:01:07]} Ne4 {[%emt 0:08:04]} 13. Bd3 {[%emt 0:00:56]} Nxc3 {[%emt 0:03:02]} 14. bxc3 {[%emt 0:01:56]} Bxd3 {[%emt 0:00:03]} 15. Qxb4 {[%emt 0:01:50]} Qg6 {[%emt 0:00:06]} 16. Rg1 {[%emt 0:01:41]} a5 {[%emt 0:02:14]} 17. Qb2 {[%emt 0:01:23]} a4 {[%emt 0:01:31]} 18. a3 {[%emt 0:01:17]} Ra5 {[%emt 0:01:15]} 19. f3 {[%emt 0:01:57]} Rb5 {[%emt 0:00:10]} 20. Qd2 {[%emt 0:00:06]} c6 {[%emt 0:02:35]} 21. Kf2 {[%emt 0:00:26]} Bc4 {[%emt 0:00:30]} 22. g4 {[%emt 0:01:38]} Qd3 {[%emt 0:00:34]} 23. Qxd3 {[%emt 0:04:38]} Rb2+ {[%emt 0:00:22]} 24. Kg3 {[%emt 0:00:03]} Bxd3 {[%emt 0:00:03]} 25. Rgd1 {[%emt 0:00:13]} Bc4 {[%emt 0:00:45]} 26. Bf4 {[%emt 0:05:21]} Rb3 {[%emt 0:00:29]} 27. Rdc1 {[%emt 0:00:04]} Re8 {[%emt 0:01:02]} 28. h4 {[%emt 0:00:08]} f6 {[%emt 0:01:09]} 29. Kf2 {[%emt 0:03:31]} Kf7 {[%emt 0:00:15]} 30. Rcb1 {[%emt 0:00:10]} h6 {[%emt 0:00:51]} 31. h5 {[%emt 0:00:17]} Bd3 {[%emt 0:00:23]} 32. Rc1 {[%emt 0:00:04]} b6 {[%emt 0:00:37]} 33. Ra2 {[%emt 0:00:28]} c5 {[%emt 0:00:31]} 34. Ke1 {[%emt 0:05:53]} cxd4 {[%emt 0:00:25]} 35. cxd4 {[%emt 0:00:02]} Bc4 {[%emt 0:00:07]} 36. Kf2 {[%emt 0:00:20]} b5 {[%emt 0:00:22]} 37. Raa1 {[%emt 0:00:04]} Re6 {[%emt 0:00:44]} 38. Re1 {[%emt 0:00:39]} b4 {[%emt 0:00:53]} 39. e4 {[%emt 0:06:41]} bxa3 {[%emt 0:00:33]} 40. Bc1 {[%emt 0:00:00]} a2 {[%emt 0:00:00]} 41. Rxa2 {[%emt 0:02:10]} Rxf3+ {[%emt 0:11:12]} 42. Kxf3 {[%emt 0:00:23]} Bxa2 {[%emt 0:00:35]} 43. e5 {[%emt 0:10:22]} Rb6 {[%emt 0:17:07]} 44. Re3 {[%emt 0:05:19]} fxe5 {[%emt 0:01:58]} 45. Rxe5 {[%emt 0:00:55]} Bc4 {[%emt 0:00:51]} 46. Ba3 {[%emt 0:01:13]} Rb3+ {[%emt 0:01:07]} 47. Re3 {[%emt 0:00:01]} Bd3 {[%emt 0:00:13]} 48. Bd6 {[%emt 0:01:39]} a3 {[%emt 0:00:39]} 49. Re7+ {[%emt 0:00:27]} Kg8 {[%emt 0:01:12]} 50. Ra7 {[%emt 0:00:55]} a2 {[%emt 0:00:11]} 51. Kf4 {[%emt 0:02:33]} Rb6 {[%emt 0:00:08]} 52. Rxa2 {[%emt 0:02:37]} Rxd6 {[%emt 0:00:04]} 53. g5 {[%emt 0:01:23]} hxg5+ {[%emt 0:00:13]} 54. Kxg5 {[%emt 0:00:02]} Rf6 {[%emt 0:00:15]} 55. Ra8+ {[%emt 0:00:05]} Kh7 {[%emt 0:00:09]} 56. Ra7 {[%emt 0:00:01]} Rf5+ {[%emt 0:00:29]} 57. Kg4 {[%emt 0:00:08]} Kh6 {[%emt 0:00:36]} 58. Ra8 {[%emt 0:00:11]} Rg5+ {[%emt 0:00:12]} 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.22"]
[Round "3.5"]
[White "Khanin, Semen"]
[Black "Yeletsky, Ivan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2524"]
[BlackElo "2409"]
[Annotator "ChessBase"]
[PlyCount "133"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:09]} 6. f3 {[%emt 0:00:00]} e5 {[%emt 0:00:09]} 7. Nb3 {[%emt 0:00:00]} Be6 {[%emt 0:00:06]} 8. Be3 {[%emt 0:00:08]} Be7 {[%emt 0:00:09]} 9. Qd2 {[%emt 0:00:15]} O-O {[%emt 0:00:11]} 10. O-O-O {[%emt 0:00:12]} Nbd7 {[%emt 0:00:10]} 11. g4 {[%emt 0:00:06]} b5 {[%emt 0:00:06]} 12. g5 {[%emt 0:00:05]} Nh5 {[%emt 0:00:07]} 13. Kb1 {[%emt 0:00:06]} Nb6 {[%emt 0:00:55]} 14. Na5 {[%emt 0:00:05]} Rc8 {[%emt 0:00:07]} 15. Nd5 {[%emt 0:00:15]} Nxd5 {[%emt 0:00:37]} 16. exd5 {[%emt 0:00:06]} Bxd5 {[%emt 0:00:38]} 17. Qxd5 {[%emt 0:00:04]} Qxa5 {[%emt 0:00:09]} 18. c4 {[%emt 0:00:10]} Nf4 {[%emt 0:07:56]} 19. Bxf4 {[%emt 0:00:09]} exf4 {[%emt 0:00:08]} 20. h4 {[%emt 0:00:06]} Qc7 {[%emt 0:19:27]} 21. Rc1 {[%emt 0:29:25]} Qa7 {[%emt 0:11:59]} 22. Bd3 {[%emt 0:09:24]} bxc4 {[%emt 0:06:59]} 23. Rxc4 {[%emt 0:00:41]} Rxc4 {[%emt 0:15:17]} 24. Bxc4 {[%emt 0:00:18]} Qa8 {[%emt 0:01:10]} 25. Qd3 {[%emt 0:14:36]} a5 {[%emt 0:03:14]} 26. g6 {[%emt 0:05:32]} hxg6 {[%emt 0:21:29]} 27. h5 {[%emt 0:01:02]} d5 {[%emt 0:00:11]} 28. Bxd5 {[%emt 0:01:01]} Rd8 {[%emt 0:00:12]} 29. Rd1 {[%emt 0:04:41]} Qxd5 {[%emt 0:00:31]} 30. Qxd5 {[%emt 0:00:05]} Rxd5 {[%emt 0:00:05]} 31. Rxd5 {[%emt 0:00:03]} gxh5 {[%emt 0:00:07]} 32. Rxh5 {[%emt 0:02:08]} g5 {[%emt 0:00:11]} 33. Kc2 {[%emt 0:00:23]} Kg7 {[%emt 0:02:04]} 34. Kd3 {[%emt 0:00:53]} f5 {[%emt 0:02:16]} 35. Ke2 {[%emt 0:02:10]} Bf6 {[%emt 0:02:59]} 36. b3 {[%emt 0:00:10]} Kg6 {[%emt 0:00:09]} 37. Rh1 {[%emt 0:00:04]} g4 {[%emt 0:01:30]} 38. Rd1 {[%emt 0:01:09]} Be7 {[%emt 0:01:09]} 39. Rd4 {[%emt 0:08:47]} Kg5 {[%emt 0:00:09]} 40. Rd5 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 41. a3 {[%emt 0:04:00]} Bxa3 {[%emt 0:00:35]} 42. Rxa5 {[%emt 0:00:07]} Bd6 {[%emt 0:01:40]} 43. Ra6 {[%emt 0:00:51]} Be7 {[%emt 0:01:14]} 44. Kf2 {[%emt 0:00:18]} Bf8 {[%emt 0:00:49]} 45. Kg2 {[%emt 0:00:06]} Bc5 {[%emt 0:01:23]} 46. Rc6 {[%emt 0:09:58]} Be7 {[%emt 0:04:24]} 47. Rc4 {[%emt 0:05:01]} Bd6 {[%emt 0:00:44]} 48. b4 {[%emt 0:06:53]} Kf6 {[%emt 0:00:08]} 49. b5 {[%emt 0:00:10]} Ke6 {[%emt 0:00:09]} 50. b6 {[%emt 0:00:12]} Kd7 {[%emt 0:00:09]} 51. Rc2 {[%emt 0:03:32]} Be5 {[%emt 0:03:37]} 52. b7 {[%emt 0:06:42]} Bc7 {[%emt 0:00:06]} 53. Rc4 {[%emt 0:00:04]} Kd6 {[%emt 0:07:15]} 54. fxg4 {[%emt 0:03:55]} fxg4 {[%emt 0:00:14]} 55. Rxf4 {[%emt 0:00:03]} Kc6 {[%emt 0:00:14]} 56. Rb4 {[%emt 0:00:05]} Bb8 {[%emt 0:00:05]} 57. Rb1 {[%emt 0:00:11]} Kc5 {[%emt 0:00:49]} 58. Rb2 {[%emt 0:00:04]} Kc6 {[%emt 0:00:19]} 59. Rb4 {[%emt 0:00:05]} g3 {[%emt 0:01:00]} 60. Rb3 {[%emt 0:00:04]} Kc5 {[%emt 0:03:47]} 61. Rxg3 {[%emt 0:00:15]} Kc6 {[%emt 0:01:17]} 62. Rb3 {[%emt 0:00:08]} Kc7 {[%emt 0:00:14]} 63. Kf3 {[%emt 0:00:08]} Kc6 {[%emt 0:00:29]} 64. Ke4 {[%emt 0:00:05]} Kc7 {[%emt 0:01:30]} 65. Kd5 {[%emt 0:00:03]} Kd7 {[%emt 0:00:48]} 66. Rc3 {[%emt 0:00:15]} Bc7 {[%emt 0:00:30]} 67. Rc2 {[%emt 0:00:04]} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.23"]
[Round "4.1"]
[White "Murzin, Volodar"]
[Black "Yeletsky, Ivan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2407"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,36,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,26,-22,-14,-100,-95,-107,-85,-85,-70,-87,-80,-100,-39,-94,-145,-95,-72,-96,-81,-121,-29,-74,-60,-65,-62,-70,-42,-104,-36,-46,-78,-66,-61,-50,-93,-66,-45,-37,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Be7 9. g4 d5 10. exd5 Nxd5 11. Bg2 Nxe3 12. Qxd8+ Bxd8 13. fxe3 Bh4+ 14. Kf1 Nc6 $36 {[%cal Bb8c6,Bc6b4,Bb4c2][%mdl 2080] [#] White is under pressure.} 15. Rd1 $146 ({Predecessor:} 15. Nc5 Bc4+ {1-0 (48) Navara,D (2724)-Wojtaszek,R (2733) Biel 2015}) 15... O-O 16. Bd5 (16. Bxc6 $5 bxc6 17. Nc5 $11) 16... Nb4 17. e4 (17. Bxb7 $11 Nxc2 18. Ke2) 17... Nxc2 $17 {White must now prevent ...Ne3+.} 18. Ke2 Rad8 19. Rd2 Nb4 20. Nc5 Bxd5 21. Nxd5 Nxd5 ({Stronger than} 21... Nxa2 22. Ra1 $16) (21... Rc8 $17 22. Nxb4 Rxc5) 22. exd5 {[#]} ({White should play} 22. Rxd5 $15 Rxd5 23. exd5) 22... Rc8 $1 {[%cal Rc8c5]} 23. Ne4 Rfd8 24. b3 h6 25. d6 Kf8 (25... Bg5 $17 26. Rd5 f6) 26. Rf1 Bg5 27. Rd5 $1 Bf4 28. Kd3 Rc6 29. h4 (29. a4 $15) 29... h5 ({Better is} 29... b6 $17 {...Ke8 is the strong threat.} 30. Rd1 Ke8) 30. g5 $15 f5 31. gxf6 gxf6 32. Rxf4 exf4 33. Rxh5 $17 {[%mdl 4096] [#] Endgame Threatens to win with Rh8+. KRR-KRN} Kf7 34. Rf5 Rf8 {aiming for ...Ke6.} (34... Ke6 $5 {[%cal Re6f5]} 35. Rxf6+ Ke5 $17) 35. Rxf6+ {The position is equal.} Kg7 36. Re6 f3 {And now ...f2 would win.} 37. h5 $1 f2 38. Rg6+ Kh8 (38... Kh7 $5 39. Ng5+ $8 Kh8 40. Rh6+ Kg8 41. Rg6+ Kh8 42. Rh6+ Kg8 43. Rg6+ Kh8 $11) 39. Rh6+ $1 Kg7 40. Rg6+ Kh7 {[%mdl 32768] Accuracy: White = 65%, Black = 44%. . Sensor Board Error (Ke4/e5)?} (40... Kh8 $5 41. Rh6+ $8 Kg7 42. Rg6+ $11) 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.23"]
[Round "4.2"]
[White "Triapishko, Alexandr"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2506"]
[BlackElo "2524"]
[Annotator "RC"]
[PlyCount "83"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:41]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:01:02]} g6 {[%emt 0:00:00]} 3. b3 {[%emt 0:04:35]} Bg7 {[%emt 0:00:00]} 4. Bb2 {[%emt 0:00:08]} d6 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:35]} b5 {[%emt 0:00:00]} 6. Bg2 {[%emt 0:02:16]} Bb7 {[%emt 0:00:00]} 7. O-O {[%emt 0:01:54]} O-O {[%emt 0:00:03]} 8. Qd3 {[%emt 0:18:09]} a6 {[%emt 0:00:16]} 9. c4 {[%emt 0:09:30]} bxc4 {[%emt 0:00:22]} 10. bxc4 {[%emt 0:01:38]} Nbd7 {[%emt 0:00:52]} 11. Nbd2 {[%emt 0:07:29]} Rb8 {[%emt 0:03:45]} 12. Rab1 {[%emt 0:20:32]} Re8 {[%emt 0:23:49]} 13. Bc3 {[%emt 0:06:59]} Qc8 {[%emt 0:05:45]} 14. Bh3 {[%emt 0:07:26]} Qd8 15. e4 e5 {[%emt 0:05:48]} 16. d5 {[%emt 0:01:29]} Nc5 {[%emt 0:01:58]} 17. Qe3 {[%emt 0:02:23]} c6 {[%emt 0:13:29]} 18. Bb4 {[%emt 0:00:10]} cxd5 {[%emt 0:03:02]} 19. cxd5 {[%emt 0:00:52]} Bc8 {[%emt 0:05:13]} 20. Bxc8 {[%emt 0:01:07]} Rxc8 {[%emt 0:01:25]} 21. Rfc1 {[%emt 0:01:02]} Nfd7 {[%emt 0:01:30]} 22. Nc4 {[%emt 0:01:26]} Qe7 {[%emt 0:00:07]} 23. Nfd2 {[%emt 0:01:55]} Qf8 {[%emt 0:01:37]} 24. Rc2 {[%emt 0:02:15]} Bh6 {[%emt 0:00:21]} 25. Qe2 {[%emt 0:00:31]} f5 {[%emt 0:02:15]} 26. f3 {[%emt 0:01:03]} Rb8 {[%emt 0:02:18]} 27. Rcb2 {[%emt 0:01:21]} Qf6 {[%emt 0:04:54]} 28. Bxc5 {[%emt 0:03:13]} Rxb2 {[%emt 0:00:06]} 29. Rxb2 {[%emt 0:00:02]} Nxc5 {[%emt 0:00:09]} 30. Rb6 {[%emt 0:00:14]} Bxd2 {[%emt 0:03:05]} 31. Rxd6 {[%emt 0:01:03]} Qf8 {[%emt 0:00:55]} 32. Qxd2 {[%emt 0:00:06]} fxe4 {[%emt 0:00:16]} 33. Qe3 {[%emt 0:02:47]} exf3 {[%emt 0:13:12]} 34. Qxc5 {[%emt 0:00:35]} Rc8 {[%emt 0:00:04]} 35. Qb6 {[%emt 0:00:15]} Rxc4 {[%emt 0:00:41]} 36. Rf6 {[%emt 0:00:44]} Qa3 {[%emt 0:05:10]} 37. Qe6+ {[%emt 0:00:26]} Kg7 {[%emt 0:00:06]} 38. Qf7+ {[%emt 0:00:27]} Kh6 {[%emt 0:00:29]} 39. Rxf3 {[%emt 0:00:15]} Qc5+ {[%emt 0:02:11]} 40. Kg2 {[%emt 0:00:00]} Rd4 {[%emt 0:00:00]} 41. Kh3 {[%emt 0:23:36]} Qxd5 {[%emt 0:04:00]} 42. Qf8+ {[%emt 0:00:44]} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.23"]
[Round "4.3"]
[White "Drygalov, Andrey"]
[Black "Galaktionov, Artem"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2481"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,131,33,30,50,48,58,53,51,50,72,54,62,73,123,110,125,106,117,83,109,109,116,98,163,163,163,163,163,163,170,164,149,139,138,136,136,145,167,147,139,135,245,237,273,247,250,185,187,193,188,187,181,195,188,183,213,207,192,188,256,258,244,237,258,254,261,244,295,285,370,351,398,393,385,381,453,402,434,428,385,340,637,533,783,800,544,779,623,544,974,924,1127,1078,994,928,1322,1120,1610,544,6011,4838,5903,5820,5714,4667,4141,4141,4141,4141,4141,4141,4926,4610]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 O-O 6. Bg2 c6 7. O-O b6 8. Qd3 Nbd7 9. b3 Ba6 10. Rd1 Rc8 11. e4 c5 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7)} 12. exd5 exd5 13. Nb5 Bxb5 {White is slightly better.} 14. cxb5 {[#]} Bd6 $146 ({Predecessor:} 14... Ne4 15. Ne5 cxd4 16. Nc6 Ndc5 17. Nxe7+ Qxe7 18. Qxd4 Ne6 19. Qe3 {½-½ (64) Shchekachev,A (2572)-Fressinet,L (2677) Le Port Marly 2019}) 15. Be3 Qc7 16. Rac1 c4 17. bxc4 dxc4 18. Qb1 c3 19. Qb3 Qc4 20. Ne1 Nb8 21. Rd3 {[%cal Rd3c3]} Bb4 (21... Ng4 $16) 22. Bf4 $18 Rfe8 {Black wants to play ...Qxb3.} 23. Qxc4 Rxc4 24. Nc2 {Re3 is the strong threat.} Ba5 25. Re3 {Black must now prevent Rxe8+.} Rd8 26. Bxb8 Rxb8 27. Re7 Re8 28. Rxa7 h6 29. Ra8 Kf8 30. Rxe8+ Kxe8 (30... Nxe8 $16 31. Bd5 Rc8) 31. Bc6+ Kd8 32. a3 Ng8 33. Bd5 Rc7 34. Kf1 Rd7 35. Bc6 Rd6 36. Ke2 Ne7 37. Bg2 g5 38. Kd3 Rf6 39. Rf1 Rf5 (39... h5 {was necessary.} 40. Ne3 Nf5) 40. a4 Rf6 41. Ne3 h5 42. Be4 Bb4 43. f3 Rh6 44. f4 f6 45. f5 Rh8 46. Nc4 Nc8 47. Rb1 Bd6 48. a5 bxa5 49. b6 Bb8 50. Nxa5 {aiming for Nc6+.} Ne7 $2 (50... Nd6 51. Bd5 Nxf5) 51. Kxc3 {White is clearly winning.} h4 52. Nb7+ Ke8 53. Ra1 Kf7 54. Ra8 Rc8+ 55. Nc5 hxg3 56. hxg3 Bxg3 57. b7 Rg8 58. Nd7 g4 59. Kd3 (59. Rxg8 $142 Nxg8 {[#]} 60. Ne5+ $1 {[%mdl 576] Promotion} fxe5 61. d5) 59... Bd6 60. Ra6 Bc7 61. Rxf6+ Ke8 62. b8=Q+ Bxb8 63. Nxb8 g3 64. Nc6 g2 {[#]} 65. Bxg2 $1 Nxf5 (65... Rxg2 66. Re6) 66. Rxf5 {Accuracy: White = 89%, Black = 35%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.23"]
[Round "4.4"]
[White "Pogosyan, Stefan"]
[Black "Drygalov, Sergey"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2344"]
[BlackElo "2485"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:00]} O-O {[%emt 0:01:29]} 5. Nge2 {[%emt 0:00:08]} d5 {[%emt 0:00:37]} 6. a3 {[%emt 0:00:14]} Be7 {[%emt 0:00:07]} 7. cxd5 {[%emt 0:00:20]} exd5 {[%emt 0:00:05]} 8. Nf4 {[%emt 0:00:05]} c6 {[%emt 0:00:56]} 9. Bd3 {[%emt 0:00:08]} a5 {[%emt 0:00:10]} 10. O-O {[%emt 0:00:36]} Na6 {[%emt 0:07:23]} 11. f3 {[%emt 0:01:27]} Nc7 {[%emt 0:08:50]} 12. Bc2 {[%emt 0:05:28]} c5 {[%emt 0:05:19]} 13. Bb3 {[%emt 0:06:45]} cxd4 {[%emt 0:06:27]} 14. exd4 {[%emt 0:11:53]} b6 {[%emt 0:08:37]} 15. Re1 {[%emt 0:02:46]} Bb7 {[%emt 0:00:40]} 16. Be3 {[%emt 0:03:58]} Bd6 {[%emt 0:01:18]} 17. Qd2 {[%emt 0:02:30]} b5 {[%emt 0:15:57]} 18. Nd3 {[%emt 0:01:59]} Nd7 {[%emt 0:02:34]} 19. Nc5 {[%emt 0:07:03]} Bc6 {[%emt 0:00:57]} 20. Bg5 {[%emt 0:13:40]} Qc8 {[%emt 0:00:41]} 21. Qf2 {[%emt 0:06:09]} h6 {[%emt 0:13:59]} 22. Bh4 {[%emt 0:06:08]} Rb8 {[%emt 0:04:58]} 23. Rac1 {[%emt 0:04:01]} b4 {[%emt 0:01:39]} 24. axb4 {[%emt 0:01:58]} Rxb4 {[%emt 0:00:36]} 25. Ba2 {[%emt 0:01:04]} Nxc5 {[%emt 0:02:59]} 26. dxc5 {[%emt 0:00:16]} Bf4 {[%emt 0:00:08]} 27. Rcd1 {[%emt 0:01:08]} Qb8 {[%emt 0:00:17]} 28. Re2 {[%emt 0:00:56]} Re8 {[%emt 0:01:49]} 29. Be7 {[%emt 0:03:44]} Ne6 {[%emt 0:04:50]} 30. Bd6 {[%emt 0:03:30]} Bxd6 {[%emt 0:00:07]} 31. cxd6 {[%emt 0:00:12]} d4 {[%emt 0:01:32]} 32. Bxe6 {[%emt 0:01:13]} dxc3 {[%emt 0:00:07]} 33. bxc3 {[%emt 0:00:13]} Rb1 {[%emt 0:00:08]} 34. Rxb1 {[%emt 0:03:18]} Qxb1+ {[%emt 0:00:02]} 35. Re1 {[%emt 0:00:10]} Qd3 {[%emt 0:00:13]} 36. Bb3 {[%emt 0:03:12]} Rxe1+ 37. Qxe1 Qxd6 {[%emt 0:00:46]} 38. Qd1 {[%emt 0:01:31]} Qc5+ {[%emt 0:02:58]} 39. Qd4 {[%emt 0:02:13]} Qxd4+ {[%emt 0:00:58]} 40. cxd4 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 41. Ba2 {[%emt 0:01:18]} Kf8 {[%emt 0:01:13]} 42. Kf2 {[%emt 0:00:10]} Ke7 {[%emt 0:00:42]} 43. d5 {[%emt 0:05:27]} Bb5 {[%emt 0:00:16]} 44. Ke3 {[%emt 0:00:06]} Kd6 {[%emt 0:00:03]} 45. Kd4 {[%emt 0:00:10]} Bf1 {[%emt 0:01:08]} 46. g3 {[%emt 0:00:44]} Be2 {[%emt 0:00:14]} 47. f4 {[%emt 0:00:59]} Bd1 {[%emt 0:00:26]} 48. Kc3 {[%emt 0:04:15]} Bb3 {[%emt 0:00:22]} 49. Bxb3 {[%emt 0:00:03]} axb3 {[%emt 0:00:04]} 50. Kxb3 {[%emt 0:00:03]} Kxd5 {[%emt 0:00:06]} 51. Kb4 {[%emt 0:00:04]} f5 {[%emt 0:00:59]} 52. Kb5 {[%emt 0:02:58]} Ke4 {[%emt 0:03:52]} 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.23"]
[Round "4.5"]
[White "Gaifullin, Artur"]
[Black "Ofitserian, Boris"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2453"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,75,10,39,26,57,47,56,53,67,18,49,52,50,-2,43,25,77,60,151,143,147,140,147,150,150,152,151,159,159,157,111,98,121,101,92,95,122,84,91,93,78,71,194,187,170,104,193,204,230,208,337,331,516,520,622,558,562,554,691,675,1052,1042,985,990,1362,1475]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 O-O 5. Bd3 d6 6. O-O Nc6 7. Re1 {B07: Pirc Defence: Miscellaneous Systems} (7. c3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Nc4 Qe7 11. Qe2 Rd8 12. Rd1 Bg4 13. f3 Be6 14. Be3 Ne8 15. Na5 c6 16. b4 Nd6 17. Nc4 Nxc4 18. Bxc4 b6 {1-0 (40) Xiong,J (2651)-Vachier Lagrave,M (2780) chess.com INT 2018}) 7... e6 8. c3 b6 9. b4 $146 {[%cal Bb2b4,Bb4b5][%mdl 32] White is slightly better.} ({Predecessor:} 9. Nf1 Bb7 10. Ng3 Ne7 11. h3 c5 12. Bf4 cxd4 13. cxd4 Nc6 14. Be3 Nb4 15. Bb1 {½-½ (28) Alekseev,E (2614)-Dubov,D (2666) St Petersburg 2017}) 9... Bb7 10. b5 Ne7 11. a4 c5 12. a5 (12. Qe2 $14) 12... bxa5 13. Nb3 c4 (13... a6 $1 $11 {keeps the balance.}) 14. Nxa5 $16 cxd3 (14... Rb8 $14) 15. Nxb7 Qc7 {[#]} 16. Nxd6 $1 {[%mdl 576] Remove Defender, Decoy} Qxd6 17. e5 {[%mdl 64] Double Attack} Qc7 {aiming for ...Nfd5.} 18. exf6 Bxf6 19. Qxd3 Rfc8 20. Bd2 Nd5 21. Reb1 Rab8 22. h3 Rb7 23. Rb3 Kg7 24. Kf1 h6 25. Ra6 Nb6 26. Rb4 Nd5 (26... Qd7 $16) 27. Rc6 $18 Qd7 28. Rxc8 ({White should try} 28. Rbc4 $18 Re8 29. R4c5) 28... Qxc8 (28... Nxb4 $16 29. Qc4 Nd5) 29. Rc4 Qb8 30. Rc5 Be7 (30... Rd7 $142 31. h4 Qb6) 31. c4 Bxc5 (31... Nb6 {is a better defense.} 32. Rc6 Kh7) 32. dxc5 {White is clearly winning.} Rd7 33. cxd5 Rxd5 34. Qc4 Qc7 35. Be3 f5 36. g3 g5 37. Qc3+ Kg6 38. Qh8 {Accuracy: White = 66%, Black = 33%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.24"]
[Round "5.1"]
[White "Ofitserian, Boris"]
[Black "Murzin, Volodar"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2409"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,161,2,3,29,10,22,15,45,32,42,31,20,9,25,19,27,6,16,12,16,6,17,0,38,35,43,47,55,33,59,-45,-31,-27,-23,-68,-74,-47,-60,-124,-122,-112,-111,-109,-106,-102,-45,-94,-90,-89,-87,-79,-74,-189,-176,-174,-141,-151,-93,-190,-78,-79,-79,-94,-55,-59,-22,-24,-29,-24,0,0,-6,-48,-48,-68,-64,-75,-64,-64,-64,-66,-43,-36,-25,-27,-20,-20,-20,-20,-20,-20,-19,-19,-19,-20,-20,-20,-25,-175,-165,-153,-133,-213,-178,-174,-64,-73,-56,-178,-185,-228,-146,-492,-491,-424,-241,-241,-206,-205,-8,-57,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. d4 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O Re8 8. h3 c6 9. c4 Qc7 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} 10. Nc3 e5 11. e4 exd4 12. Nxd4 Nc5 {[%cal Rf6e4]} 13. Re1 a5 14. Rc1 Qb6 $146 ({Predecessor:} 14... Bd7 15. Rc2 Rad8 16. Rd2 Bc8 17. Ba3 h5 18. Ndb5 cxb5 19. Nxb5 Qb6 20. Rxd6 Rxd6 21. Qxd6 {½-½ (57) Miezis,N (2555)-Wagner,F (2189) Schwaebisch Gmuend 2014}) 15. Nc2 Be6 16. Ba3 Rad8 17. Ne3 Bc8 {[%cal Rf6e4]} 18. Qc2 h5 19. Rcd1 Nh7 20. h4 Nf6 21. Na4 Nxa4 22. bxa4 Qc7 23. c5 (23. Qd3 $1 $14) 23... dxc5 24. Bxc5 Be6 25. Rb1 Nd7 $1 26. Ba3 Ne5 27. Red1 (27. Nd5 $15 Qb8 28. Nf4) 27... Rxd1+ $1 $17 28. Rxd1 Rd8 $1 29. Rb1 Rd7 30. Bc5 Ng4 ({Black should try} 30... Rd3 $1 $17 31. Bb6 Qd6) 31. a3 Qe5 32. Nf1 Qc3 33. Qxc3 Bxc3 34. Bb6 (34. Bh3 $17) 34... Ba2 $19 35. Rc1 Bd4 36. Bc5 Ne5 (36... Be6 $142 37. Bh3 Kg7) 37. Rc2 (37. Bh3 $17 Rd8 38. Bxd4 Rxd4 39. f4) 37... Bc4 (37... Bb3 $19 38. Bxd4 Rxd4) 38. Bxd4 $17 Rxd4 39. Ne3 Ba6 40. Rc5 $1 {[%cal Rc5e5]} Nc4 (40... f6 {seems wilder.} 41. Rxa5 Kf7 42. Bf1 Nf3+ 43. Kg2 Bxf1+ 44. Nxf1 Ne1+) 41. Nxc4 Rxc4 42. Rxa5 $11 {[%mdl 4096] Endgame KRB-KRB} Kf8 43. f4 Rc3 44. Rg5 Rxa3 45. a5 Be2 46. Kf2 Ra2 47. Ke3 Bg4 48. Bf1 Ra3+ 49. Bd3 Ke7 50. Kd4 Ra1 51. Bc4 Ra4 {And now ...Be6 would win.} 52. Kc3 Ra3+ 53. Kd4 Rxg3 54. f5 gxf5 {White must now prevent ...f4.} 55. Rg7 fxe4 {Threatens to win with ...Rf3.} 56. Rxf7+ Kd6 57. Kxe4 (57. Rf6+ $11 {and White is okay.} Kc7 58. Rf7+ Kb8 59. Rf8+ Ka7 60. Rf7) 57... Kc5 $19 58. Bf1 {[#]} Be6 $1 {[%cal Re6f7]} 59. Rf2 (59. Rf4 $17) 59... Bd5+ 60. Ke5 Re3+ (60... Rg8 $19 61. Rf5 Rh8) 61. Kf4 $1 $15 {[%cal Rf4e3]} Ra3 (61... Re8 {is interesting.} 62. Kg5 Kd4 63. Kxh5 Re5+ 64. Kg4 Be6+) 62. Kg5 (62. Be2 $1 $15) 62... Rxa5 $19 63. Kxh5 Kd4 64. Kg6 $2 {[%mdl 8192]} (64. Kg4 $17 {was the crucial defense.}) 64... Be4+ 65. Kg7 Rf5 (65... Rh5 $142 66. Rh2 c5) 66. Rxf5 Bxf5 {KB-KB} 67. Bg2 {[#]} Bg4 $2 ({Better is} 67... Kc5 $1 $19 68. h5 b5) 68. Kf6 Kc5 (68... c5 $15 69. Bxb7 c4) 69. Kg5 $11 {The position is equal.} Be2 70. h5 {aiming for h6.} Bxh5 (70... Kd6 {looks sharper.} 71. h6 Bd3 72. Kf6 b5 73. Bh3 b4) 71. Kxh5 {KB-KPP} b5 72. Kg4 b4 73. Kf4 b3 74. Ke3 b2 75. Be4 Kc4 76. Kd2 Kb3 77. Bc2+ Ka2 78. Kc3 $1 c5 79. Kc4 b1=Q 80. Bxb1+ Kxb1 81. Kxc5 {Accuracy: White = 53%, Black = 52%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.24"]
[Round "5.2"]
[White "Drygalov, Sergey"]
[Black "Gaifullin, Artur"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2485"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,39,38,0,0,0,0,0,0,0,0,0,0,-3,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rfe1 Bb7 14. Rad1 Rc8 {The position is equal. D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} 15. Bb3 Re8 16. Qf4 {[#]} (16. h3 Nf6 17. Qf4 Nh5 18. Qh2 h6 19. h4 a5 20. g4 Nf6 21. Qf4 b5 22. Ne5 {½-½ (50) Adhiban,B (2683)-Ding,L (2812) Astana 2019}) 16... Qc7 $146 ({Predecessor:} 16... Qf6 17. Qg3 Qg6 18. Qf4 Qf6 19. Qg3 Qg6 20. Qf4 Qf6 {½-½ (20) Nikolov,M (2555)-Rausis,I (2651) Sautron 2018}) 17. Qh4 Qd8 18. Qf4 Qc7 19. Qh4 Qd8 20. Qf4 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.24"]
[Round "5.3"]
[White "Galaktionov, Artem"]
[Black "Pogosyan, Stefan"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2332"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "200"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,200,41,33,11,101,6,21,4,20,6,12,18,45,0,31,-13,0,-14,-18,-1,8,0,11,5,9,11,25,19,24,27,24,0,14,13,14,15,20,0,37,6,7,0,7,0,16,12,14,14,15,11,12,17,212,141,212,196,203,72,175,150,146,98,102,74,140,63,79,90,104,7,8,0,0,0,22,12,29,33,30,30,29,30,58,58,58,66,69,12,31,8,12,8,8,5,8,8,12,12,12,12,16,8,8,8,8,8,8,8,24,24,24,8,8,8,12,12,24,24,24,24,24,16,16,12,16,16,16,12,16,8,10,0,24,0,16,12,12,12,24,12,12,12,12,12,24,24,52,52,52,20,19,12,12,12,62,52,82,85,218,218,218,218,218,129,95,24,218,129,129,129,129,129,129,28,28,8,8,8,8,8,8,8,8,8,8,8,8]} 1. d4 f5 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. Nc3 c6 8. Rb1 Qe8 9. b3 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6} (9. d5 Na6 10. b4 Nc7 11. Bb2 h6 12. dxc6 bxc6 13. c5 d5 14. Ne5 Ne4 15. Nxe4 fxe4 16. f3 Rf5 17. f4 a5 {0-1 (51) Bu,X (2705)-Nepomniachtchi,I (2767) Doha 2016}) 9... e5 (9... Na6 $11 {keeps the balance.}) 10. Ba3 $146 (10. dxe5 $16 dxe5 11. Ba3) ({Predecessor:} 10. dxe5 dxe5 11. Ba3 Rf7 12. e4 f4 13. gxf4 Nh5 14. Ne2 Nxf4 15. Nxf4 Rxf4 16. h3 Nd7 {0-1 (43) Ererdem,G (2157)-Dastan,B (2552) Ankara 2018}) 10... e4 $1 $11 {[%cal Re4f3]} 11. Ne1 (11. Bxd6 exf3 12. exf3 Rf7 $15) 11... Qd8 12. Nc2 Na6 {[%cal Bb8a6,Ba6b4,Bb4c2][%mdl 32]} 13. f3 Re8 14. d5 c5 15. Bc1 Nb4 16. a3 Nxc2 17. Qxc2 {[%cal Rf3e4]} exf3 18. exf3 Bd7 19. Bd2 a6 20. Rfe1 Rxe1+ 21. Rxe1 b5 22. Bf1 {[%cal Rc4b5]} b4 23. Ne2 bxa3 24. Qa2 a5 25. Qxa3 a4 26. Nf4 Qb6 27. bxa4 Rxa4 28. Qd3 $36 {[%mdl 2048] Black is under pressure.} Ra2 29. Ne6 Qb2 30. Re2 Bxe6 31. dxe6 Qd4+ 32. Qxd4 cxd4 33. Bb4 Ra4 $2 (33... Rxe2 $11 34. Bxe2 Bf8) 34. Rb2 Ne8 {[#]} (34... Bf8 $16 {was necessary.}) 35. Bxd6 $1 $18 {[%mdl 512]} Ra8 (35... Nxd6 36. Rb8+ Bf8 37. e7 Kf7 38. exf8=Q+ Ke6 39. Rb6 $1 {[%mdl 512]} Ra6 40. Qxd6+ Kf7 41. Qc7+ Kg8 42. Rb8#) 36. Bf4 (36. c5 $18 {has better winning chances.}) 36... Bf8 (36... d3 $16 37. Rb7 Bd4+ 38. Kg2 Ng7) 37. Rb5 Rc8 38. Be5 Bc5 39. Bd3 Ng7 (39... Kf8 $142) 40. e7 ({White should play} 40. Kf1 $1 $16) 40... Ne6 41. g4 fxg4 {[#]} 42. fxg4 ({White should try} 42. Be4 $1 $16 Kf7 43. Bd5 (43. fxg4 d3+ 44. Kf1 Bd4 $16) 43... d3+ 44. Kf1) 42... Bxe7 $11 43. Kf2 Nc5 44. Be2 Ne4+ 45. Kf3 Nc3 {aiming for ...Rf8+.} 46. Rb8 Rxb8 47. Bxb8 $14 {[%mdl 4096] Endgame KBB-KBN} Kf7 48. Ba7 Bd6 49. Bd3 Bxh2 50. Bxd4 Na2 $1 51. g5 (51. c5 $14 Ke7 52. Bb5) 51... Nb4 52. Be4 (52. Bf1 {seems wilder.} Ke6 53. Ke4 Kd6 54. c5+ Kc6 55. Bc4) 52... Ke6 53. Bc3 Bd6 54. Kg4 Bc5 55. Bb7 Bd6 56. Bc8+ Ke7 57. Kf3 Kd8 58. Bb7 Kc7 59. Ba8 Be7 60. Ke4 Nc6 61. Bd2 Nd8 62. Bd5 Kd7 63. Ke5 Nc6+ 64. Kf4 Nd8 65. Bg8 Ke8 66. Ke5 Nc6+ 67. Kd5 Nb4+ 68. Ke4 Nc6 69. Be3 Nb4 70. Bf4 Nc6 71. Bd2 Nb4 72. Kd4 Nc6+ 73. Kd5 Nb4+ 74. Ke4 Nc6 75. Bd5 Kd7 76. Be3 Nd8 77. Ke5 Nc6+ 78. Kf4 Nd8 79. Bg8 Ke8 80. Ke4 Kf8 81. Bd5 {Strongly threatening c5.} Ke8 82. Ke5 Kd7 83. Bg8 Nc6+ 84. Ke4 Nd8 85. Kd5 Ba3 86. c5 ({Of course not} 86. Bxh7 Nc6 $11) 86... Nc6 {[#]} (86... Bb2 $16 87. Bf4 (87. Bxh7 Nc6 $11) 87... Ba3) 87. Be6+ $1 $18 ({Not} 87. Bxh7 Ne7+ 88. Kc4 Kc6 $11) 87... Kc7 88. Bf4+ Kb7 89. Kd6 (89. Bd7 $18 Ne7+ 90. Kc4) 89... Nd4 $16 90. Bd7 (90. Bd5+ $16 Ka7 91. Bf7) 90... Nf5+ $2 (90... Nb3 $1 $11 {and Black has nothing to worry.}) 91. Bxf5 (91. Kd5 $18 {Threatens to win with c6+.} Ne7+ 92. Kc4) 91... gxf5 $18 {KB-KB} 92. Be3 {And now Kd7 would win.} Kc8 93. Ke5 Kd7 94. Kxf5 (94. Kd5 $16) 94... Bb2 $1 $11 95. Ke4 Kc6 {The position is equal.} 96. Bd4 Bc1 97. Kf5 Kd5 98. Bf2 Bd2 99. Kg4 Bc1 100. Kh5 Bd2 {Accuracy: White = 48%, Black = 49%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.24"]
[Round "5.4"]
[White "Khanin, Semen"]
[Black "Drygalov, Andrey"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2524"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "203"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,203,12,25,23,27,25,24,22,24,23,18,16,32,17,36,29,60,61,62,61,71,68,74,75,72,79,77,86,154,81,64,70,160,152,160,110,110,124,122,110,133,83,84,86,91,75,77,85,91,92,75,93,79,82,292,293,290,283,274,282,462,457,441,434,567,567,567,567,548,550,453,201,177,0,0,0,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,370,208,208,208,208,208,208,36,208,208,208,40,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,208,29970,29971,29971,29972,29972,29973,29973,29974,29975,29975,29977,29981,29982,29983,29984,29985,29985,29986,29986,29982,29983,29980,29985,29980,29979,29980,29980,29981,29982,29981,29984,29985,29985,29986,29988,29988,29988,29989,29989,29989]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 (8... Nbd7 {is interesting.} 9. Qd2 h5 10. O-O-O Be7 11. Kb1 Qc7) 9. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} ({Predecessor:} 9. Qd2 Nbd7 10. Nd5 Bxd5 {½-½ (32) Samerdokas,A (2344)-Carolei,A (2369) ICCF email 2012}) 9... Bxd5 10. exd5 Nbd7 11. Qd2 {White has an edge.} g6 12. Be2 $146 (12. O-O-O Bg7 13. Kb1 Qc7 14. Be2 a5 15. a4 O-O 16. g4 Rfc8 17. Bb5 hxg4 18. fxg4 Nxg4 {0-1 (75) Robson,R (2667)-Saric,I (2690) chess.com INT 2019}) 12... Bg7 13. O-O O-O 14. Na5 Qc7 15. c4 b6 16. Nc6 Nb8 17. Nb4 a5 18. Nc2 Nbd7 19. Na3 Nc5 20. Nb5 Qd7 21. Rab1 e4 ({Better is} 21... Ne8) 22. Bf4 (22. f4 $142 $1) 22... exf3 $16 23. Bxf3 Ne8 (23... Nfe4 $14 24. Bxe4 Nxe4) 24. Rbe1 Rd8 25. Bd1 f5 26. Bf3 Kh7 27. Re2 Bf6 28. Rfe1 Qg7 29. Bg3 a4 30. h4 Kg8 31. Qc2 f4 32. Bf2 $1 $36 {[%mdl 2048] White is in control.} ({Much worse is} 32. Bxf4 $6 Bxh4 33. g3 Rxf4 $11) 32... Be5 33. b4 axb3 34. axb3 {[%cal Ba2b3,Bb3b4][%mdl 32]} Rc8 $2 (34... Rb8 $16 35. b4 Nd7) 35. b4 $18 Nd7 36. Na7 Rc7 37. Nc6 $1 Nef6 $2 (37... Rf5 38. Qa2 Kh7) 38. c5 bxc5 39. bxc5 (39. Nxe5 Nxe5 40. bxc5 Nfg4 $16) 39... Ng4 40. cxd6 Bxd6 41. Re6 {[%mdl 64] Double Attack} Rf6 42. Bxg4 hxg4 43. Bd4 (43. Qb1 $142) 43... Rxe6 44. dxe6 $2 (44. Bxg7 $18 Rxe1+ 45. Kf2 Kxg7 46. Kxe1) 44... Rxc6 $1 $11 45. Qe4 Qxd4+ $2 (45... Bc5 $1 $11 46. Bxc5 Nxc5 47. Qxc6 Nd3) 46. Qxd4 $18 Bc5 47. Qxc5 $1 {[%mdl 64] Remove Defender} Nxc5 {[%mdl 4096] Endgame KRN-KR} 48. e7 Rc8 {Threatens to win with ...Kf7.} 49. e8=Q+ Rxe8 50. Rxe8+ {KR-KN} Kf7 51. Re5 Ne6 52. Kf2 Kf6 53. Rd5 Ng7 54. Rg5 Ne6 55. Ra5 $1 Ng7 56. g3 Nf5 57. gxf4 Nxh4 {[#]} 58. Kg3 $1 Nf5+ 59. Kxg4 {Black must now prevent Ra6+.} Nh6+ 60. Kf3 Nf7 61. Ra6+ Kf5 62. Rb6 Nh6 63. Rb5+ Kf6 64. Ke4 Ng4 65. Rb6+ Kf7 66. Ra6 Nf6+ $2 (66... Kg7 67. Kf3 Nh6) 67. Kd4 (67. Kf3 $142) 67... Ng4 68. Kd5 Nf6+ 69. Kd6 $1 Ng4 70. Ra8 $2 (70. Kc5 $18) 70... Nh6 $2 (70... Kf6 $1 $14) 71. Rb8 Ng4 72. Rh8 $2 (72. Kd5 $1 $18) 72... Nf6 $2 (72... Kf6 $1 $14) 73. Rh4 Ne4+ 74. Ke5 Nf6 75. Rh8 {Intending Rf8+ and mate.} Ng4+ 76. Ke4 Nf6+ 77. Kf3 Nh5 78. Kg4 {Strongly threatening Kg5.} ({Less strong is} 78. f5 Nf6 $14) 78... Ng7 79. Ra8 Ne6 80. Ra7+ Kf6 81. Ra6 Kf7 82. Kf3 Nf8 $2 {[#]} (82... Ng7 $18 83. Ke4 Nf5) 83. Ra7+ $1 {White mates.} Ke6 84. Rb7 Kf6 {[#]} 85. Ke4 $1 Ke6 86. Rb6+ Kf7 87. Rd6 Kg7 88. Ke5 Nh7 89. Rd7+ Kh6 90. Rf7 g5 91. f5 g4 92. Kf4 Ng5 93. Rf8 g3 94. Kxg3 Kg7 95. Ra8 Kf6 96. Kg4 Nf7 97. Ra6+ Kg7 98. Kf4 Kf8 99. f6 Nh6 100. Kg5 Nf7+ 101. Kg6 Ne5+ 102. Kf5 {Accuracy: White = 75%, Black = 59%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.24"]
[Round "5.5"]
[White "Yeletsky, Ivan"]
[Black "Triapishko, Alexandr"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "2409"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,50,43,49,45,49,13,13,20,17,15,28,16,4,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,5,11,0,0,0,0,0,0,0,0,0,0,0,0,-3,-2,-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]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Bd7 7. d4 g6 {C79: Ruy Lopez: Steinitz-type lines with 3...a6 4 Ba4 Nf6 5 0-0 d6} 8. Nbd2 (8. d5 {feels hotter.} Ne7 9. Bxd7+ Nxd7 10. Be3 h6 11. Nfd2) (8. Re1 b5 9. Bc2 Bg7 10. Nbd2 O-O 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Nb3 Qe7 14. Be3 Rfd8 15. Qf3 h5 16. h3 Nh7 17. Nc5 Bc6 18. Bb3 Bf6 {½-½ (30) Perez Ponsa,F (2553)-Adams,M (2709) Caleta 2018}) 8... Bg7 9. Bxc6 (9. Re1 {is interesting.} O-O 10. h3 b5 11. Bc2 Re8 12. Nf1) 9... Bxc6 10. dxe5 dxe5 11. Nxe5 Bxe4 12. Nxe4 Qxd1 {The position is equal.} 13. Rxd1 Nxe4 {[#]} 14. Re1 $146 ({Predecessor:} 14. Nc4 O-O 15. Bf4 {½-½ (22) Geller,J (2510)-Klovans,J (2428) Pardubice 2008}) 14... Bxe5 15. Rxe4 O-O-O {[#] ( -> ...Rd1+)} 16. Bh6 Rd5 17. Rae1 Rhd8 18. h4 f6 19. g3 b5 20. Kg2 Rd1 21. a4 Rxe1 22. Rxe1 $11 {[%mdl 4096] Endgame KRB-KRB} Kd7 23. axb5 axb5 24. Ra1 Rb8 25. Bd2 b4 26. cxb4 Bxb2 27. Rb1 Be5 28. b5 c6 29. bxc6+ Kxc6 30. Rc1+ Kd7 31. Bc3 Rc8 32. Rd1+ Ke6 33. Bxe5 fxe5 {KR-KR} 34. Ra1 h5 35. Ra6+ Kf7 36. Ra4 Rc3 37. Re4 Kf6 38. Ra4 Rb3 39. Ra8 Rc3 40. Rb8 Ra3 41. Rc8 {Accuracy: White = 80%, Black = 89%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.25"]
[Round "6.1"]
[White "Murzin, Volodar"]
[Black "Triapishko, Alexandr"]
[Result "*"]
[WhiteElo "2407"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,23,20,24,10,20,1,10,25,31,11,22,28,18,16,21,25]} 1. e4 c6 2. Nf3 d5 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Nf6 4. e5 Ne4 5. Ne2 Qb6 {[%csl Ge4][%cal Rb6f2] [#]} 6. d4 {B11: Caro-Kann: Two Knights Variation} e6 7. Ng3 c5 8. c3 Bd7 9. Bd3 cxd4 10. Nxd4 Nxg3 11. hxg3 Nc6 12. Nf3 {Predecessor:} O-O-O $146 13. O-O {1-0 (30) Andriasian,Z (2591)-Vidit,S (2718) chess.com INT 2018} *

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.25"]
[Round "6.1"]
[White "Murzin, Volodar"]
[Black "Triapishko, Alexandr"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2407"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,142,30,16,23,16,24,24,25,21,18,33,23,18,18,33,22,35,19,62,66,123,56,45,63,40,62,65,0,0,0,0,0,27,-73,-46,-73,-79,-53,0,0,33,0,0,-115,-120,-170,0,0,0,-103,13,16,24,45,54,58,54,51,66,0,196,189,261,274,284,317,290,304,302,310,420,431,490,460,465,484,452,252,525,453,483,389,433,431,434,450,450,450,434,418,437,427,378,79,256,251,233,208,224,161,176,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. e4 c6 2. Nf3 d5 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Nf6 4. e5 Ne4 5. Ne2 Qb6 {[%csl Ge4][%cal Rb6f2]} 6. d4 {B11: Caro-Kann: Two Knights Variation} e6 7. Ng3 c5 8. c3 {White has an edge.} Bd7 9. Bd3 cxd4 10. Nxd4 Nxg3 11. hxg3 Nc6 12. Nf3 O-O-O 13. Qe2 $146 (13. Rxh7 Rxh7 14. Bxh7 Bc5 $17) ({Predecessor:} 13. O-O) 13... f6 14. Bf4 (14. Rxh7 Bc5 $15) 14... a5 (14... h6 $14) 15. g4 ({Stronger than} 15. Rxh7 Bc5 $15) (15. O-O $16) 15... Bc5 $14 16. Bg3 Rdf8 17. exf6 gxf6 18. Rh6 (18. O-O-O $14) 18... e5 $11 19. Bf5 Bxf5 20. gxf5 Rhg8 21. Nh4 (21. Rxh7 $11 Rd8 22. Qc2) 21... Rg7 22. Rd1 Rd7 23. Kf1 a4 (23... d4 $15) 24. Nf3 $14 e4 25. Nh2 d4 $1 26. Qxe4 (26. Qc4 $11 {remains equal.}) 26... Qxb2 $17 {[%mdl 64] Double Attack} 27. Kg1 Qxc3 $2 (27... Re7 $1 $19 {[%cal Re7e4]} 28. Qd5 Qc2) 28. Nf3 Qc4 29. Qb1 (29. Qe6 $11 Qxe6 30. fxe6) 29... b6 ({Black should try} 29... d3 $1 $17 30. Rh4 Qc2) 30. Nd2 $11 Qd5 $1 {next ...d3 is good for Black.} 31. Ne4 d3 ({Don't blunder} 31... Rdf7 $2 32. Rc1 $18) 32. Nxf6 Rxf6 33. Rxf6 Kb7 34. Kh1 ({Better is} 34. Rh6 $14) 34... a3 $2 (34... Ne7 $11 {and Black is okay.} 35. Qb5 Nxf5) 35. Qb5 $18 Na7 (35... Bb4 {is a better defense.} 36. Qxd5 Rxd5) 36. Qa4 Qd4 37. Qxd4 Rxd4 38. Rf7+ Ka6 39. Rxh7 Nc6 40. f6 Nb4 41. f7 Nxa2 {Threatens to win with ...Nc3.} 42. Be5 Rd5 43. Bg7 (43. Ba1 $142) 43... Rd7 $2 (43... Rf5 {might work better.}) 44. Bf6 b5 45. f8=N Rxh7+ 46. Nxh7 b4 {...Nc3 is the strong threat.} 47. Rxd3 Kb5 {With the idea ...Kc4.} 48. Ng5 $1 Kc4 49. Rd8 $1 Nc3 {[#]} 50. Nf3 $1 Ne4 51. Bg7 $2 (51. Nd2+ $18 {is the precise move to win.} Nxd2 52. Rxd2) 51... Nxf2+ $2 {[#]} (51... b3 $16 {was called for.}) 52. Kh2 $1 Ne4 53. Ne5+ Kb3 54. Nd3 Bd6+ 55. Rxd6 $2 (55. Kg1 $18) 55... Nxd6 $11 {The position is equal.} 56. Bf8 Ne4 $132 {[%mdl 2048] Black is not keeping still} ({But not} 56... a2 $2 57. Nc1+ Kc4 58. Nxa2 $18) 57. Nxb4 {Strongly threatening Kh3.} a2 $1 {[%cal Ra2a1] [#]} 58. Nxa2 $1 Kxa2 {[%mdl 4096] Endgame KB-KN} 59. Kh3 {aiming for Kg4.} Kb3 60. Kg4 {Black must now prevent Kf5.} Kc4 61. Kf5 Kd5 62. g4 Ng3+ 63. Kf4 Ne4 64. Kf5 Ng3+ 65. Kg6 Ke6 66. Kh6 Kf7 67. Bb4 Ne4 68. Ba3 Nf6 69. g5 Ng8+ 70. Kh7 Nf6+ $1 71. gxf6 Kxf6 {Accuracy: White = 57%, Black = 48%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.25"]
[Round "6.2"]
[White "Drygalov, Andrey"]
[Black "Yeletsky, Ivan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2481"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,83,20,0,2,20,37,35,42,-8,0,-6,0,-20,-5,-7,-7,-6,0,-15,-14,-30,0,0,0,0,0,-6,-16,-13,-6,-2,-2,-6,0,0,0,-60,0,0,6,-97,-55,-83,0,0,0,0,45,6,0,10,513,483,600,607,593,588,467,457,1068,1051,1166,1133,1556,1058,29966,29972]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. Qd2 b5 10. O-O-O h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 11. Nd5 Bxd5 12. exd5 Nb6 {White is slightly better.} 13. Kb1 $146 ({Predecessor:} 13. Qc3 g6 14. Na5 Nbd7 15. Kb1 Rc8 16. Qa3 Qc7 17. c4 Bh6 18. Bxh6 Rxh6 {1-0 (31) Cheparinov,I (2709)-Van Foreest,J (2614) Skopje 2018}) 13... Nfxd5 14. Bf2 Be7 15. Bd3 {[#] Strongly threatening Be4.} Nf4 16. Be4 {Threatens to win with Bxb6.} Nc4 17. Qe1 $1 Rb8 18. g3 Ne6 19. f4 exf4 20. Bd5 O-O 21. Bxe6 fxe6 22. Qxe6+ Rf7 23. gxf4 Qc8 24. Qe2 Qf5 25. Bd4 Qg4 26. Qd3 {aiming for Rhg1.} Rbf8 27. Rdf1 (27. Rhf1 $11) 27... Bf6 ({Black should try} 27... Qf5 $1 $15) 28. Rhg1 $11 Qh4 29. Rg2 (29. a3 $11 {remains equal.}) 29... Be5 30. f5 {[#]} a5 (30... Bxd4 $1 $17 31. Nxd4 Re8) 31. Bf2 $36 {[%mdl 2048] White fights for an advantage.} Qf4 32. Bd4 Qh6 (32... Qh4 $5 {[%cal Ra5a4]}) 33. Bxe5 dxe5 34. a4 Ne3 $2 {[%mdl 8192]} (34... Qc6 $11 35. Rg6 e4) 35. Rg6 $18 Qxg6 36. fxg6 Rxf1+ 37. Ka2 bxa4 {and if ...Nxc2 works, Black does fine.} 38. Nc5 Rd1 (38... Ng4 $142 39. h3 Nh6) 39. Qxe3 Rff1 40. Nxa4 Ra1+ 41. Kb3 Rf4 42. Qxe5 {[%mdl 64] Double Attack. Accuracy: White = 52%, Black = 37%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.25"]
[Round "6.3"]
[White "Pogosyan, Stefan"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2344"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,178,14,17,0,17,7,19,7,8,10,18,28,28,20,26,16,18,18,18,13,18,14,28,24,59,60,64,60,80,81,79,77,154,145,143,150,139,149,147,140,138,141,142,94,111,79,78,78,77,77,78,82,63,27,35,35,35,27,31,31,60,42,39,39,40,-70,-64,-48,58,58,58,58,58,58,58,69,77,58,58,58,58,58,93,93,93,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,0,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,92,92,92,92,92,92,92,70,77,84,92,92,92,92,92,92,92,92,92,92,92,92,92,92,92,92,92,83,84,92,83,83,83,83,86,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. c5 (5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 h6 9. Bf4 g5 10. Bg3 Nh5 11. Be5 Nhf6 12. Bg3 Nh5 13. Ne2 Nxg3 14. Nxg3 {1-0 (61) Leko,P (2679)-Caruana,F (2832) Germany 2019}) 5... b6 6. cxb6 $1 {D37: Queen's Gambit Declined: 5 Bf4} cxb6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. e3 Nbd7 10. Bd3 Bb7 11. O-O O-O 12. Qe2 $146 ({Predecessor:} 12. Rc1 b5 13. Nb1 Rac8 14. Nbd2 Nb6 15. Nb3 Nbd7 16. Qe2 {½-½ (16) Skulener,W (2390)-Hammes,M (2340) Germany 2017}) 12... b5 13. a4 b4 14. Nb1 {[%cal Bc3b1,Bb1d2,Bd2b3][%mdl 32]} a5 15. Nbd2 Rfc8 16. Nb3 Ne4 17. Rfc1 Qb6 18. Bb5 $36 {[%mdl 2048] White is pushing.} Bc6 19. Ne5 Nxe5 20. dxe5 Bb7 (20... h6 $142) 21. Qd3 $16 f6 {[#]} 22. Qd4 $1 Qd8 23. f3 fxe5 24. Qxe5 Qd6 25. Qxd6 Nxd6 26. Nc5 Bc6 27. Bxc6 Rxc6 28. Nxe6 Rxc1+ 29. Rxc1 {[%mdl 4096] Endgame KRN-KRN} Re8 30. Nf4 Rxe3 31. Nxd5 Re2 32. b3 Rb2 33. Rc5 Rxb3 34. Rxa5 Rb1+ 35. Kf2 b3 36. Ne3 Rb2+ 37. Kg3 ({White must play} 37. Ke1 $14) 37... Re2 $15 {[%mdl 1024] Black has compensation.} 38. Nd1 b2 (38... Rd2 $15 39. Ra8+ Kf7) 39. Ra8+ $14 Kf7 40. Rb8 $1 Nc4 {With the idea ...Rd2.} 41. a5 $1 {[%cal Ra5a6]} Re5 42. Nxb2 Nxb2 43. Rxb2 {Hoping for a6.} (43. a6 {is more complex.} Ra5 44. Rxb2 Rxa6 45. Rb5 Kg6 46. h4) 43... Rxa5 {KR-KR} 44. h4 h6 45. Rb6 Ra4 46. h5 Ra2 47. f4 Rc2 48. Kf3 Ra2 49. Rd6 Ra3+ {[#]} 50. Kg4 $1 Ra5 51. Rb6 Rc5 52. g3 Ra5 53. Rb3 Kf6 54. Kh4 Ra4 55. Kh3 Ra5 56. g4 Ra1 57. Rb6+ Kf7 58. Rb3 (58. Rb7+ $16 Kf6 59. Rd7) 58... Rg1 (58... Kf6 $1 $11) 59. Kh4 Rh1+ 60. Kg3 Kf6 61. Kg2 Ra1 62. Kf2 Kf7 63. Kf3 Kf6 64. Rb6+ Kf7 65. Rb4 Ra5 66. Ke4 Kf6 67. Rb6+ Kf7 68. Rd6 Ra7 69. Ke5 Re7+ 70. Kf5 Ra7 71. g5 Ra5+ 72. Kg4 hxg5 73. fxg5 Ra4+ 74. Kf5 Ra5+ 75. Kf4 Rb5 76. Rd7+ Kf8 77. Kg4 Rb8 78. Ra7 Kg8 79. g6 Rc8 80. Kf5 Rb8 81. Ke6 {Threatens to win with Ke7.} Rc8 82. Kd7 Rb8 83. Rc7 {Black must now prevent Rc8+.} Ra8 84. Rc8+ Rxc8 85. Kxc8 $16 {KPP-KP} Kh8 86. Kd7 {Strongly threatening Kd6.} Kg8 87. Ke6 Kh8 88. h6 (88. Ke5 $16) 88... Kg8 $11 89. h7+ Kh8 90. Kd5 {Accuracy: White = 77%, Black = 66%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.25"]
[Round "6.4"]
[White "Gaifullin, Artur"]
[Black "Galaktionov, Artem"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2453"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,22,279,56,93,81,102,42,45,41,46,46,47,39,32,34,33,38,28,27,36,35,55,53,41,45,45,56,76,77,80,50,48,43,43,48,191,179,572,539]} 1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Bc4 c6 5. a4 (5. Bb3 a5 6. a4 Nf6 7. Qe2 O-O 8. O-O Na6 9. c3 Qc7 10. Na3 e5 11. h3 exd4 12. cxd4 Re8 13. Ng5 d5 14. e5 h6 15. Qf3 Nh7 16. Nxh7 Kxh7 {1-0 (57) Van Foreest,J (2614)-Banikas,H (2601) Skopje 2018}) 5... Nd7 $2 {[%mdl 8192] [#]} (5... Nf6 $11) 6. O-O $146 {B06: Modern Defence} (6. Bxf7+ $1 $18 {[%mdl 512]} Kxf7 7. Ng5+ Ke8 8. Ne6 {[%mdl 64] Double Attack}) ({Predecessor:} 6. a5 Ngf6 7. e5 Nd5 8. Nc3 dxe5 9. Bxd5 cxd5 10. Nxd5 e6 11. Nc3 exd4 12. Nxd4 a6 {0-1 (41) Brandt,J (1799)-Junge,K (1693) Uckley 2000}) 6... e5 7. Ng5 Nh6 {[#]} 8. Bxf7+ (8. d5 $1 $16) 8... Nxf7 $14 9. Ne6 $1 {[%csl LRd8,LRg7][%mdl 64] Double Attack} Qe7 10. d5 Nf6 11. Nxg7+ Kf8 {Threatens to win with ...cxd5.} 12. Ne6+ $1 Bxe6 13. dxe6 Qxe6 14. Qe2 Kg7 15. c4 d5 16. exd5 cxd5 17. cxd5 Nxd5 18. Bd2 Rac8 19. Nc3 Nf6 20. Be3 a6 21. a5 Qc4 22. Qf3 Qb3 {[#]} (22... Rc6 $14) 23. Ne4 $1 $18 Nxe4 $2 {[#]} (23... Qe6 {is more resistant.} 24. Nxf6 Qxf6) 24. Bh6+ $1 {[%mdl 576] Discovered Attack. Accuracy: White = 67%, Black = 43%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.25"]
[Round "6.5"]
[White "Ofitserian, Boris"]
[Black "Drygalov, Sergey"]
[Result "*"]
[ECO "A20"]
[WhiteElo "2409"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,20,8,15,0,10,19,0,10,0,-6,-14,-19]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. e3 {The position is equal.} Nc6 {A22: English Opening: 1...e5 2 Nc3 Nf6} 7. Nge2 h5 8. d4 h4 9. d5 Ne7 10. a4 (10. e4 hxg3 11. hxg3 Rxh1+ 12. Bxh1 Ng8 13. Be3 Nf6 14. Qc2 {0-1 (57) Ponkratov,P (2613)-Karjakin,S (2760) Riadh 2017}) 10... c6 {Predecessor:} 11. e4 $146 cxd5 12. exd5 Nc4 13. a5 Nd6 14. Ne4 Nef5 15. O-O hxg3 16. hxg3 Nxe4 17. Bxe4 {½-½ (17) Klekowski,M (2471)-Nevednichy,V (2524) Konya 2017} *

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.25"]
[Round "6.5"]
[White "Ofitserian, Boris"]
[Black "Drygalov, Sergey"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2409"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,0,0,0,17,9,0,2,-2,0,-18,-17,-80,-77,-111,-83,-100,-90,-150,-81,-87,-88,-82,-73,-80,-87,-119,-90,-74,-86,-82,-82,-72,-67,-97,-90,-91,-94,-158,-87,-85,-80,-143,-129,-258,-180,-235,-230,-216,-172,-302,-285,-321,-276,-363,-286,-324,-310,-306,-227,-237,-233,-224,-167,-308,-295,-342,-333]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. e3 Nc6 {A22: English Opening: 1...e5 2 Nc3 Nf6} 7. Nge2 h5 8. d4 h4 {The position is equal.} 9. d5 Ne7 10. a4 (10. e4 hxg3 11. hxg3 Rxh1+ 12. Bxh1 Ng8 13. Be3 Nf6 14. Qc2 {0-1 (57) Ponkratov,P (2613)-Karjakin,S (2760) Riadh 2017}) 10... c6 11. dxc6 $146 (11. e4 $11 {remains equal.}) ({Predecessor:} 11. e4 cxd5 12. exd5 Nc4 13. a5 Nd6 14. Ne4 Nef5 15. O-O hxg3 16. hxg3 Nxe4 17. Bxe4 {½-½ (17) Klekowski,M (2471)-Nevednichy,V (2524) Konya 2017}) 11... Qxd1+ $17 12. Kxd1 bxc6 13. e4 Ba6 14. Kc2 (14. a5 $142 Rd8+ 15. Ke1) 14... Ng6 (14... Rd8 $142 $1 15. b3 Bd3+ 16. Kb2 Nc4+ $1 {[%mdl 512]} 17. Ka2 Rb8) 15. a5 Nd7 $1 16. Be3 {[#]} Bc5 $1 17. Bxc5 Nxc5 18. Rad1 Ke7 19. b4 Ne6 20. Bh3 Rab8 21. Bxe6 Kxe6 22. f4 {[#] Strongly threatening f5+.} Ke7 $1 23. f5 Nf8 24. Rb1 (24. Kb3 $142) 24... hxg3 (24... Nd7 $142 25. g4 Nf6) 25. Nxg3 Rh3 26. Na4 ({White should play} 26. Rb2) 26... Nd7 27. Rbd1 (27. Kc1 $17) 27... Bb5 28. Nc3 (28. Ra1 $142) 28... Bc4 $19 29. Rd2 Nf6 30. Nd1 (30. Rb1 $142) 30... Rxb4 31. Nf2 Rh8 32. Kc3 Rhb8 33. Rc1 Ba6 {Hoping for ...Rc4+.} 34. Kc2 Rb2+ 35. Kd1 Rxd2+ 36. Kxd2 Rb2+ 37. Ke3 (37. Rc2 $142 Rxc2+ 38. Kxc2) 37... Bb5 38. Rc3 Ra2 {Accuracy: White = 29%, Black = 70%.} 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.26"]
[Round "7.1"]
[White "Drygalov, Sergey"]
[Black "Murzin, Volodar"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2485"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "201"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,201,35,14,36,45,40,33,39,37,44,22,16,6,8,14,17,0,9,4,54,50,46,27,33,33,42,56,45,22,69,70,77,8,6,19,49,39,101,104,99,110,140,128,125,127,115,105,127,115,157,152,150,160,179,168,138,79,77,0,139,132,136,133,149,127,127,127,127,127,127,127,128,127,127,127,127,127,127,127,128,128,128,93,128,128,128,128,128,88,112,0,129,128,129,129,129,129,129,129,129,129,129,106,129,129,129,129,129,0,129,0,129,129,128,124,112,0,0,0,89,83,84,82,82,63,92,84,83,0,84,45,192,200,290,280,328,482,447,442,469,448,466,463,459,446,409,409,462,447,462,455,420,416,370,316,247,177,325,330,339,329,320,235,334,318,286,159,483,387,489,487,436,2,388,148,144,8,8,17,29978,29979,29979,29980,29979,29981,29981,29982,29982,29983,29983,29984]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Bf5 6. Bf4 Nbd7 7. h3 e6 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} (7... g6 8. e3 Bg7 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Re8 12. b4 Nh5 13. Be5 Bxe5 14. Nxe5 Qc7 15. f4 {½-½ (29) Moiseenko,A (2692)-Andreikin,D (2720) Berlin 2015}) 8. e3 Be7 9. Be2 O-O {White is slightly better.} 10. O-O Ne4 11. Nxe4 Bxe4 12. b4 Re8 13. Nd2 Bg6 14. a4 $146 ({Predecessor:} 14. Bh2 Qc8 15. a4 {0-1 (92) Bekker Jensen,S (2445)-Glud,J (2518) Skorping 2014}) 14... Bf6 15. Bd6 h6 16. b5 e5 17. bxc6 bxc6 18. Nb3 exd4 19. Nxd4 Bxd4 20. Qxd4 Qa5 21. Rfd1 Re4 22. Qd2 (22. Qb2 $1 $16) 22... Qxd2 $11 23. Rxd2 Rb4 24. a5 Nf6 (24... Bb1 $14) 25. f3 $16 Rb3 26. Kf2 Bb1 27. Be5 Nd7 28. Rb2 Rxb2 29. Bxb2 Bf5 30. Bd4 Nf8 31. Ra2 Bc8 32. Be5 Ne6 33. Bd6 Nd8 34. Bc7 ({White should try} 34. Rc2) 34... Ne6 35. Bd6 (35. Bb6 $142) 35... Nd8 $1 36. Rc2 Nb7 37. Bc7 $1 Kf8 38. Bb6 Ke8 39. e4 dxe4 40. fxe4 Nd8 41. Ke3 Ne6 42. Rd2 Ke7 43. Bc4 Bd7 44. Rf2 Ke8 45. Be2 Ke7 46. Bh5 Be8 47. h4 Rb8 48. Rd2 Ra8 49. Bg4 Bd7 50. Bf5 Rc8 51. Bg4 (51. Bh3 $16) 51... Rb8 (51... Ra8 $1 $11 {remains equal.}) 52. Bf3 Rc8 53. Be2 Ra8 54. Bc4 Ke8 55. Rf2 Ke7 56. Rf3 Ke8 57. Rg3 Kf8 58. Kd2 Bc8 59. Rf3 Ke8 60. Ke3 Bd7 $1 61. Rf2 Ke7 62. Be2 Be8 63. g4 Bd7 64. g5 (64. Bc4 $16) 64... hxg5 $11 65. hxg5 g6 (65... Nxg5 $11 66. Rh2 Ne6) 66. Rg2 $16 Be8 67. Bc4 Bd7 68. Rh2 Be8 69. Rd2 Bd7 70. Be2 (70. Rg2 $16) 70... Be8 (70... Nxg5 $11 71. Bc7 Rh8) 71. Bg4 {Strongly threatening Bxe6.} Bd7 (71... Nxg5 $14 72. Bc7 Nxe4 73. Bd6+ (73. Kxe4 f5+ 74. Bxf5 gxf5+ 75. Kxf5 Bd7+ 76. Ke5 Re8 $14) 73... Kd8 74. Kxe4 f5+ 75. Bxf5 gxf5+ 76. Kxf5 Ra7) 72. Bc7 $1 $18 Rh8 (72... Ke8 $142 73. Bd6 Kd8) 73. Be5 $1 Rh7 74. Bf6+ Ke8 75. Rb2 Bc8 76. Rb8 Kd7 77. Ra8 Kc7 {Hoping for ...Kb7.} 78. Be5+ Kd8 79. Ra7 Rh4 80. Bf6+ Ke8 81. Bxe6 Bxe6 82. Rxa6 {[%mdl 4096] Endgame KRB-KRB} Kd7 83. Ra7+ Kc8 84. a6 {And now Ra8+ would win.} Rh3+ (84... Kb8 {is a better defense.} 85. Rb7+ Ka8) 85. Kd4 {aiming for Ra8+.} Kb8 86. Rb7+ Ka8 87. Rc7 Ra3 (87... Rb3 {was necessary.} 88. Rxc6 Ka7) 88. Rxc6 Ka7 89. Bd8 $1 Rxa6 $2 (89... Ra4+ $16 {is tougher.} 90. Ke5 Rb4) 90. Bb6+ Kb8 91. Rc7 Ra1 92. c6 $2 (92. Ke5 $18) 92... Rd1+ $2 {[%mdl 8192]} (92... Rb1 $11 {and Black stays safe.} 93. Kc5 Rc1+ 94. Kd6 Rd1+ 95. Ke7 Rb1) 93. Ke5 $2 (93. Kc5 $18 {and White stays clearly on top.}) 93... Rc1 94. Kd6 $1 Rd1+ 95. Ke7 {Rb7+ is the strong threat.} Rc1 $2 {[%mdl 8192] [#]} (95... Rb1 $11) 96. Kd8 $1 {White mates.} Rd1+ {[#]} 97. Rd7 $1 {[%mdl 512]} Bxd7 98. cxd7 Kb7 99. Ke7 Kxb6 100. d8=Q+ Rxd8 101. Kxd8 {Accuracy: White = 68%, Black = 48%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.26"]
[Round "7.2"]
[White "Galaktionov, Artem"]
[Black "Ofitserian, Boris"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2332"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,48,34,34,19,41,0,0,-25,-19,-33,-3,-94,0,0,0,-22,-20,-28,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Qd2 Nd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 10. Rc1 O-O 11. Bd3 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} Rd8 (11... e5 12. d5 f5 13. Bh6 fxe4 14. Bxe4 Qa4 15. Bc2 Qg4 16. Qg5 Nf6 17. Bxg7 Kxg7 18. Rd1 Qc4 {½-½ (71) Onischuk,A (2647)-Wei,Y (2733) Astana 2019}) 12. h4 $146 ({Predecessor:} 12. O-O a6 13. Rfd1 b6 14. h3 Bb7 15. d5 c4 16. Bb1 b5 17. Bd4 Nf6 18. Qe3 Rd6 {1-0 (26) Van Dongen,R (1907)-Engel,P (1448) Buesum 2017}) 12... Nf6 13. e5 Ng4 14. Rb1 a6 {Black wants to play ...Nxe5!} 15. h5 {[#]} (15. O-O $11 {keeps the balance.}) 15... b5 (15... Nxe5 $1 $17 16. Nxe5 Bxe5 17. hxg6 (17. dxe5 Bf5 $17) 17... hxg6 18. dxe5 Bf5) 16. hxg6 $11 hxg6 17. Qc2 Nxe3 18. fxe3 {And now Bxg6! would win.} Be6 19. Ng5 $36 {[%mdl 2048] The position is equal. White has some pressure.} Qxa2 20. Rb2 Qa1+ 21. Rb1 Qa2 22. Rb2 Qa1+ 23. Rb1 Qa2 24. Rb2 Qa1+ {Accuracy: White = 31%, Black = 58%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.26"]
[Round "7.3"]
[White "Khanin, Semen"]
[Black "Gaifullin, Artur"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2524"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,99,22,26,12,22,30,28,16,38,35,58,60,69,60,126,113,135,133,128,122,190,194,181,151,137,140,145,114,111,113,135,114,117,113,112,112,202,202,553,552,865,854,776,388,367,354,348,0,126,150,139,144,139,158,255,332,335,326,316,304,271,143,506,487,427,407,529,469,664,493,1272,1232,1014,917,1770,1662,2264,2058,5531,4685,29983,29984,29984,29984,29984,29985,29985,29986]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 7. c4 Nbc6 8. dxc5 {B12: Caro-Kann: Advance Variation} d4 {White must now prevent ...d3.} (8... dxc4 9. Bxc4 Ng6 10. Be3 Be7 11. Nc3 O-O 12. Be2 Qb8 13. Nd2 Rd8 14. f4 Nb4 15. Rc1 b6 {1-0 (42) Harikrishna,P (2729)-Mamedyarov,S (2817) Kolkata 2018}) 9. Qb3 Qd7 10. Rd1 {White has an edge.} Ng6 11. Nc3 $1 Ngxe5 12. Nxe5 Nxe5 13. Nb5 $146 {[%cal Rb5d4]} ({Predecessor:} 13. Bf4 Ng6 14. Bg3 Bxc5 15. Bf3 O-O {1-0 (45) Timman,J (2607)-Brunello,S (2602) Wijk aan Zee 2014}) 13... Nc6 (13... Bxc5 $14 14. Qg3 f6) 14. Bf4 $16 {Strongly threatening Nc7+.} e5 {[#]} 15. Bxe5 $1 {[%mdl 512]} Nxe5 16. Rxd4 Qc6 (16... Qc8 $16) 17. Rd5 $18 f6 18. Nd4 {[%mdl 64] Double Attack} Qc8 19. Nxf5 Qxf5 20. Qxb7 Qc8 21. Rxe5+ $1 fxe5 22. Qd5 Be7 23. Bh5+ ({Worse is} 23. Qxe5 O-O $17) 23... g6 {Hoping for ...Rb8.} 24. Bf3 $1 ({Inferior is} 24. Qxe5 O-O $17) 24... e4 (24... Rf8 $16) 25. Bxe4 Rb8 $2 (25... a5 {is more resistant.} 26. Qxa8 Qxa8 27. Bxa8 Bxc5 28. Re1+ Kf7) 26. Qe5 Rf8 {intending ...Rf6.} 27. Re1 {Bxg6+! would kill now.} Qd8 28. Bc6+ Kf7 29. Bd5+ $1 Ke8 30. Bc6+ $2 $40 {[%mdl 128] White has some attack.} (30. Qg7 $18 {Intending Bc6+ and mate.} Rc8 31. b4) 30... Kf7 $16 {[#] Threatens to win with ...Bf6.} 31. Qe6+ $1 Kg7 {...Bf6 is the strong threat.} 32. Qxe7+ Qxe7 33. Rxe7+ Rf7 (33... Kf6 $16 34. Re2 (34. Rxa7 Rxb2 35. h4 Rf7 $16) 34... Rfc8) 34. Rxf7+ $18 Kxf7 {[%mdl 4096] Endgame KR-KB} 35. b3 Ke7 36. Bd5 a5 {[#] Threatening ...a4.} 37. h4 (37. f4 $1 $18) 37... Rc8 $2 {[%mdl 8192]} (37... a4 $16) 38. c6 Kd6 39. f4 Kc5 40. Kf2 Kb4 (40... Re8 $142 41. g3 Kd6) 41. Ke3 Kc3 (41... Kc5 $142 42. h5 Re8+ 43. Kd3 Rf8 44. hxg6 hxg6) 42. g4 Re8+ 43. Kf3 Kb2 44. f5 gxf5 45. gxf5 Kxa2 46. c5 Ka3 47. f6 {White mates.} Kb4 48. f7 Rf8 49. c7 Kxc5 50. Be6 {Accuracy: White = 79%, Black = 22%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.26"]
[Round "7.4"]
[White "Yeletsky, Ivan"]
[Black "Pogosyan, Stefan"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2409"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,119,17,1,19,16,56,23,64,46,63,72,73,55,45,7,15,9,9,9,5,12,12,7,19,0,0,4,42,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,41,58,143,143,143,143,160,159,159,150,143,142,215,143,147,143,222,231,239,227,313,324,322,312,296,220,198,145,147,118,117,120,117,117,117,118,116,118,117,108,143,124,119,135,254,237,372,364,291,320,722,677,719,705,794,736,3755,2608,2900,2366,29980,29978]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. Nc3 d6 9. a3 Be6 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} (9... Bg4 10. Be3 Nd4 11. Bxd4 exd4 12. Nd5 Nd7 13. h3 Bxf3 14. Qxf3 c6 15. Nf4 Nc5 16. Ba2 a5 17. Qg4 Kh8 18. Ne2 {1-0 (48) Caruana,F (2828)-Postny,E (2623) chess.com INT 2019}) 10. Nd5 Nd7 11. Be3 Kh8 $146 {White has an edge.} ({Predecessor:} 11... Na5 12. Ba2 c5 13. b4 Nc6 14. Qb1 Rb8 15. Qb2 Kh8 16. h3 h6 17. bxc5 dxc5 18. Nxe7 Qxe7 {½-½ (48) Gandhi,A (2128)-Pascua,H (2424) Johor 2017}) 12. h3 Na5 {[%cal Bc6a5,Ba5b7,Bb7d6][%mdl 32]} 13. Ba2 c6 14. Nxe7 Qxe7 15. Bg5 f6 16. Bxe6 Qxe6 17. Bd2 Nb7 18. Nh4 d5 19. Qh5 {Ng6+ is the strong threat.} Kg8 20. Rae1 d4 21. f4 Nd6 22. Nf3 c5 23. b4 Qe8 24. Qg4 c4 25. fxe5 Nxe5 26. Nxe5 fxe5 27. Rxf8+ $40 {[%mdl 128] Black needs to defend precisely.} Kxf8 28. Rf1+ Nf7 29. h4 Kg8 30. Rf6 Qc8 (30... Kf8 $14 31. Rb6 Qc8 32. Qxc8+ Rxc8) 31. Qxc8+ $16 Rxc8 32. Rxa6 cxd3 33. cxd3 {[%mdl 4096] Endgame KRB-KRN} Kf8 34. Kf2 Rc2 35. Ke2 Ke7 (35... Ra2 $16 {was necessary.} 36. Ra5 Nd6) 36. Ra7+ Kf6 37. g4 h6 (37... Ra2 $16) 38. Rb7 $18 Ra2 39. Rxb5 Rxa3 40. Rb6+ Ke7 41. Rg6 Kf8 42. b5 Rb3 43. b6 (43. Rb6 $18) 43... Nd8 $16 44. Kd1 Kf7 45. Kc2 {aiming for Rxg7+!} Rb5 {[#]} 46. Rd6 $1 {[%cal Rd6d8]} Ke7 47. Rd5 Rxb6 48. Rxe5+ Ne6 49. Rd5 Rb8 50. Bc1 Rc8+ 51. Kd2 Rc7 (51... Rb8 $16 52. Ba3+ Kf6) 52. Bb2 $18 Rd7 (52... Rb7 $142 53. Bxd4 Nxd4) 53. Ba3+ Ke8 54. Rd6 Rxd6 $2 (54... Nf4 55. Bc5 Rxd6 56. Bxd6 Ng2) 55. Bxd6 {KB-KN} Kd7 56. Be5 Kc6 57. h5 Kb5 {[#]} 58. g5 $1 {[%mdl 512]} hxg5 {[#]} (58... Nxg5 59. Bxg7) 59. Bxg7 $1 {[%mdl 576] Remove Defender, Promotion} Nxg7 60. h6 {Accuracy: White = 73%, Black = 49%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.26"]
[Round "7.5"]
[White "Triapishko, Alexandr"]
[Black "Drygalov, Andrey"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2506"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,13,14,0,0,0,0,0,0,0,0,0,0,0,19,12,18,12,11,-10,13,7,7,8,16,0,0,0,0,-30,0,-96,-99,-261,-100,-108,-103,-100,-96,-114,-117,-115,-122,-129,-125,-124,-121,-121,-113,-148,-112,-185,-182,-148,-147,-148,-158,-283,-210,-315,-300,-495,-443,-1899,-1837,-29990,-29991,-29997,-29998]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. e3 Nf6 5. d4 e4 6. d5 {A34: Symmetrical English: 2 Nc3, lines with ...d5} exf3 7. dxc6 dxc6 8. Qxd8+ {The position is equal.} Kxd8 9. gxf3 Kc7 10. b3 Be7 11. Bb2 Bf5 $146 ({Predecessor:} 11... Rd8 12. h4 g6 13. Ne4 Nxe4 14. fxe4 {1-0 (42) Aronian,L (2774)-Vachier Lagrave,M (2803) Karlsruhe/Baden-Baden 2017}) 12. Ne2 Rhd8 13. Ng3 Be6 14. Rd1 a5 15. Be5+ Kb6 16. a4 g6 17. Bd3 Nd7 18. Bc3 Kc7 19. Ne2 Bd6 (19... b5 $5) 20. Kd2 {[#]} (20. Nc1 $11) 20... b5 $1 $17 {[%mdl 512]} 21. Ra1 $2 {[#]} (21. cxb5 $17 Bxb3 22. Bc2) (21. axb5 cxb5) 21... bxc4 $2 (21... b4 $1 $19 {is more deadly.} 22. Bb2 Be5) 22. Bxc4 Bxc4 23. bxc4 Ne5 24. f4 Nxc4+ 25. Kc2 Nb6 26. h4 Nd5 27. h5 c4 28. hxg6 hxg6 29. Rh7 Rd7 30. Rd1 {[#]} (30. Rg1 $17) 30... Nb4+ $1 $19 31. Kc1 Nd3+ 32. Kc2 Bb4 33. f3 (33. Nc1 $17) 33... Rad8 34. e4 (34. Ng3 $142) 34... Kb6 35. Rb1 $2 (35. Rhh1) 35... Kc5 {Hoping for ...Bxc3.} 36. f5 (36. Rh2 $142) 36... Bxc3 37. Kxc3 Nb4 38. Nf4 Rd2 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.27"]
[Round "8.1"]
[White "Murzin, Volodar"]
[Black "Drygalov, Andrey"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2407"]
[BlackElo "2481"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:12]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:12]} Be7 {[%emt 0:00:07]} 6. d3 {[%emt 0:00:23]} b5 {[%emt 0:00:13]} 7. Bb3 {[%emt 0:00:01]} d6 {[%emt 0:01:10]} 8. a3 {[%emt 0:00:17]} O-O {[%emt 0:00:37]} 9. Nc3 {[%emt 0:00:08]} Na5 {[%emt 0:00:08]} 10. Ba2 {[%emt 0:00:16]} Be6 {[%emt 0:00:57]} 11. Nd5 {[%emt 0:02:24]} c5 {[%emt 0:07:02]} 12. Be3 {[%emt 0:08:56]} Nc6 {[%emt 0:01:51]} 13. c3 {[%emt 0:02:28]} Bxd5 {[%emt 0:13:04]} 14. Bxd5 {[%emt 0:09:09]} Nxd5 {[%emt 0:04:47]} 15. exd5 {[%emt 0:00:02]} Nb8 {[%emt 0:00:27]} 16. b4 {[%emt 0:02:08]} Nd7 {[%emt 0:00:57]} 17. bxc5 {[%emt 0:01:30]} dxc5 {[%emt 0:01:20]} 18. c4 {[%emt 0:02:25]} Rb8 {[%emt 0:03:40]} 19. Qc2 {[%emt 0:03:12]} Qb6 {[%emt 0:08:18]} 20. a4 {[%emt 0:06:33]} b4 {[%emt 0:03:55]} 21. a5 {[%emt 0:09:03]} Qg6 {[%emt 0:09:12]} 22. Nd2 {[%emt 0:01:42]} f5 {[%emt 0:02:26]} 23. f4 {[%emt 0:04:01]} Bd6 {[%emt 0:02:03]} 24. Nb3 {[%emt 0:07:45]} Rbc8 {[%emt 0:03:38]} 25. Rac1 {[%emt 0:10:54]} Nf6 {[%emt 0:13:50]} 26. fxe5 {[%emt 0:04:39]} Bxe5 {[%emt 0:00:04]} 27. Bf4 {[%emt 0:01:40]} Bxf4 {[%emt 0:05:47]} 28. Rxf4 {[%emt 0:00:05]} Qh6 {[%emt 0:00:10]} 29. Qd2 {[%emt 0:01:56]} Ng4 {[%emt 0:08:44]} 30. h3 {[%emt 0:00:30]} Ne5 {[%emt 0:00:05]} 31. Rcf1 {[%emt 0:00:42]} Qg6 {[%emt 0:00:48]} 32. Qe2 {[%emt 0:11:27]} Rfe8 {[%emt 0:00:50]} 33. Qd1 {[%emt 0:00:24]} Rf8 {[%emt 0:01:16]} 34. Qa1 {[%emt 0:04:14]} Rfe8 {[%emt 0:03:50]} 35. Qd1 {[%emt 0:02:25]} Rf8 {[%emt 0:00:25]} 36. Qa1 {[%emt 0:00:52]} Rfe8 {[%emt 0:00:05]} 37. Qd1 {[%emt 0:03:32]} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.27"]
[Round "8.2"]
[White "Pogosyan, Stefan"]
[Black "Triapishko, Alexandr"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2344"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,128,0,37,31,34,35,20,0,0,0,0,0,0,0,0,-66,-28,-52,-43,-38,-32,-32,-32,-38,-38,-38,-36,-41,-46,-49,-51,-52,-53,-53,-43,-44,-48,-45,-44,-51,-8,-52,-31,-76,-68,-73,-63,-61,-61,-60,-60,-60,-41,-41,-41,-90,-90,-91,-91,-107,-107,-107,-90,-90,-90,-90,-90,-114,-114,-114,-114,-114,-107,-107,-81,-107,-107,-107,-107,-107,-107,-107,-81,-81,-81,-81,-47,-79,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-23,-174,-174,-174,-174]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. O-O Bg4 13. Rxb7 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (13. Be3 Nc6 14. d5 Na5 15. Bg5 b6 16. Bxe7 Rfe8 17. d6 Nc6 18. Bb5 Nxe7 19. h3 Bxf3 20. Qxf3 Qe6 21. Bxe8 Rxe8 22. dxe7 Qxe7 {½-½ (32) Aronian,L (2799)-Vachier Lagrave,M (2789) Tbilisi 2017}) 13... Bxf3 14. Bxf3 Bxd4 15. e5 {[#] Black must now prevent Rb5.The position is equal.} Na6 16. Bg5 Rad8 {And now ...Bxf2+! would win.} 17. Qb1 Qxb1 18. Rfxb1 Nc5 19. R7b5 $146 ({Reject} 19. Bxe7 Nxb7 20. Bxf8 Kxf8 $17) (19. Rxe7 $11 a5 20. h4) ({Predecessor:} 19. Rxe7 Ne6 20. Be3 Bxe5 21. Rxa7 {½-½ (28) Hofmann,T (2125)-Mesaros,F (2166) Feldkirch 2013}) 19... a6 20. Ra5 Rd7 21. Rd1 {[#] Threatens to win with Rxc5!} Ne6 22. Bh6 Rfd8 23. Rxa6 Bxe5 24. Rxd7 Rxd7 25. Ra8+ Rd8 26. Ra7 Bf6 27. h3 Nd4 28. Be4 e6 29. Rb7 Bg7 30. Bg5 Rc8 31. Rd7 h6 32. Be3 (32. Bxh6 $5 Bxh6 33. Rxd4 $11) 32... Nf5 33. Ba7 Rc1+ 34. Kh2 Be5+ 35. g3 Kg7 36. Kg2 Rc4 37. Bd3 Rc7 (37... Rc3 {seems wilder.} 38. Bb5 h5 39. Be2 Rc2 40. Kf3 Kf8) 38. Rxc7 Bxc7 39. Bxf5 gxf5 $15 {[%mdl 4096] Endgame KB-KB} 40. g4 Kg6 41. f3 Bf4 42. Bb6 Bd2 43. Bd8 e5 44. Be7 h5 45. gxh5+ Kxh5 46. Bf8 Bg5 47. Bd6 f6 48. Bc5 Bh4 49. Be3 Kg6 50. Ba7 Kf7 51. Kf1 Ke6 52. Ke2 f4 53. Bb6 f5 54. Ba7 e4 55. Bb6 Bg3 56. Ba7 Kf6 57. Bb6 Kg5 {aiming for ...Kh4.} 58. Bd8+ Kh5 59. Be7 Bh4 60. Bd6 Bg5 {...Kh4 is the strong threat.} 61. Kf1 Kh4 62. Kg2 $1 e3 63. Kf1 $2 (63. Be5 $11) 63... Kxh3 64. Ke2 Kg3 {Accuracy: White = 53%, Black = 69%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.27"]
[Round "8.3"]
[White "Gaifullin, Artur"]
[Black "Yeletsky, Ivan"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2453"]
[BlackElo "2409"]
[Annotator "ChessBase"]
[PlyCount "112"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. e3 {[%emt 0:00:00]} g6 {[%emt 0:00:02]} 3. b4 {[%emt 0:00:00]} d6 {[%emt 0:00:33]} 4. d4 {[%emt 0:00:01]} Bg7 {[%emt 0:00:50]} 5. Bb2 {[%emt 0:00:10]} O-O {[%emt 0:00:19]} 6. c4 {[%emt 0:00:04]} c5 {[%emt 0:02:07]} 7. dxc5 {[%emt 0:04:59]} dxc5 {[%emt 0:00:11]} 8. Qxd8 {[%emt 0:00:04]} Rxd8 {[%emt 0:00:10]} 9. b5 {[%emt 0:00:03]} Bf5 {[%emt 0:07:12]} 10. Nbd2 {[%emt 0:01:18]} Nbd7 {[%emt 0:00:53]} 11. Be2 {[%emt 0:00:16]} Ne4 {[%emt 0:01:42]} 12. Bxg7 {[%emt 0:00:11]} Kxg7 {[%emt 0:00:09]} 13. g4 {[%emt 0:03:53]} Nxd2 {[%emt 0:00:15]} 14. Nxd2 {[%emt 0:00:17]} Be6 {[%emt 0:08:37]} 15. f4 {[%emt 0:00:52]} Nf6 {[%emt 0:00:17]} 16. Rg1 {[%emt 0:01:33]} Kf8 {[%emt 0:01:50]} 17. e4 {[%emt 0:14:46]} Rd4 {[%emt 0:04:55]} 18. f5 {[%emt 0:01:52]} Rad8 {[%emt 0:13:18]} 19. fxe6 {[%emt 0:37:08]} Rxd2 {[%emt 0:00:09]} 20. Rf1 {[%emt 0:00:02]} Rb2 {[%emt 0:14:57]} 21. Rd1 {[%emt 0:02:32]} Rxd1+ {[%emt 0:01:50]} 22. Bxd1 {[%emt 0:00:02]} Ke8 {[%emt 0:08:32]} 23. e5 {[%emt 0:20:05]} Ne4 {[%emt 0:00:08]} 24. b6 {[%emt 0:04:48]} Rxa2 {[%emt 0:05:12]} 25. h4 {[%emt 0:01:31]} fxe6 {[%emt 0:05:12]} 26. bxa7 {[%emt 0:02:56]} Rxa7 {[%emt 0:06:30]} 27. Rf4 {[%emt 0:00:17]} Nc3 {[%emt 0:00:19]} 28. Bc2 {[%emt 0:00:02]} Ra2 {[%emt 0:02:06]} 29. Rf2 {[%emt 0:00:18]} Kd7 {[%emt 0:01:45]} 30. g5 {[%emt 0:00:40]} b5 {[%emt 0:05:26]} 31. cxb5 {[%emt 0:00:35]} Nxb5 {[%emt 0:00:51]} 32. Bd3 {[%emt 0:00:09]} Ra1+ {[%emt 0:00:15]} 33. Kd2 {[%emt 0:00:04]} Nd4 {[%emt 0:01:32]} 34. Rf7 {[%emt 0:00:46]} Rh1 {[%emt 0:03:07]} 35. Rxh7 {[%emt 0:00:59]} Nf3+ {[%emt 0:02:49]} 36. Ke3 {[%emt 0:01:18]} Nxe5 {[%emt 0:01:35]} 37. Bb5+ {[%emt 0:00:32]} Kd6 {[%emt 0:00:07]} 38. Rh8 {[%emt 0:00:27]} c4 {[%emt 0:00:49]} 39. Ba4 {[%emt 0:00:13]} Rh3+ {[%emt 0:00:24]} 40. Kf4 {[%emt 0:00:00]} Nd3+ {[%emt 0:00:00]} 41. Ke4 {[%emt 0:03:08]} Nc5+ {[%emt 0:01:23]} 42. Kd4 {[%emt 0:00:05]} Nxa4 {[%emt 0:00:46]} 43. Kxc4 {[%emt 0:00:50]} Ke5 {[%emt 0:00:35]} 44. Rh7 {[%emt 0:00:36]} Nb6+ {[%emt 0:00:14]} 45. Kc5 {[%emt 0:00:08]} Nd5 {[%emt 0:00:10]} 46. Kc6 {[%emt 0:00:04]} Ne3 {[%emt 0:00:35]} 47. Rh6 {[%emt 0:01:09]} Kf5 {[%emt 0:00:45]} 48. Kd7 {[%emt 0:00:03]} Nd5 {[%emt 0:00:13]} 49. Rh7 {[%emt 0:00:20]} Kg4 {[%emt 0:01:30]} 50. Kxe6 {[%emt 0:01:27]} Rxh4 {[%emt 0:00:14]} 51. Rf7 {[%emt 0:00:44]} Nf4+ {[%emt 0:00:11]} 52. Ke5 {[%emt 0:00:19]} Kxg5 {[%emt 0:00:15]} 53. Rxe7 {[%emt 0:00:02]} Rh1 {[%emt 0:00:15]} 54. Ra7 {[%emt 0:00:21]} Kg4 {[%emt 0:00:10]} 55. Rg7 {[%emt 0:00:36]} Re1+ {[%emt 0:00:35]} 56. Kd4 {[%emt 0:00:05]} Ne6+ {[%emt 0:00:09]} 0-1

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.27"]
[Round "8.4"]
[White "Ofitserian, Boris"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2409"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,8,8,-3,25,23,68,0,39,16,61,42,58,54,52,36,29,23,40,34,39,29,36,41,41,37,38,34,29,5,6,6,6,4,9,0,14,13,13,13,20,13,20,0,21,0,20,0,21,0,20]} 1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 b6 5. Bb2 Bb7 6. cxd5 {A13: English Opening: 1...e6} Nxd5 (6... exd5 7. g3 Nbd7 8. Bg2 Ba6 9. Bf1 Bb7 10. Bg2 Ba6 11. Bf1 {½-½ (11) Duda,J (2738)-Wang,H (2730) St Petersburg 2018}) 7. Nc3 $146 ({Predecessor:} 7. Be2 Bd6 8. O-O O-O 9. a3 c5 10. Qc2 Nd7 11. d3 Rc8 12. Nbd2 Bb8 13. g3 e5 {0-1 (58) Henriquez Villagra,C (2092)-Cuevas Araya,W (2213) Santiago de Chile 2010}) 7... Nd7 8. Be2 (8. Nxd5 $14 Bxd5 9. Qc2) 8... N7f6 9. Rc1 {Nxd5 is the strong threat.} a6 10. Nxd5 Bxd5 11. O-O Be7 12. Qc2 c5 13. Rfd1 O-O 14. d4 {[%cal Rd4c5]} cxd4 15. Nxd4 Rc8 16. Nc6 Rxc6 17. Qxc6 Bxc6 18. Rxd8 Rxd8 19. Bxf6 (19. Rxc6 {is more complex.} Rd2 20. Rc8+ Bf8 21. Bxf6 gxf6 22. Bh5) 19... gxf6 {The position is equal.} 20. Rxc6 $14 {[%mdl 4096] Endgame KRB-KRB} a5 21. Rc2 Bb4 22. g4 Rd2 23. Rxd2 Bxd2 $11 {KB-KB} 24. Kg2 Bc3 25. Bb5 Bd2 26. Be2 Bc3 27. Bb5 Bd2 28. Be2 Bc3 29. Bb5 Bd2 {Accuracy: White = 39%, Black = 51%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.27"]
[Round "8.5"]
[White "Drygalov, Sergey"]
[Black "Galaktionov, Artem"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2485"]
[BlackElo "2332"]
[Annotator "ChessBase"]
[PlyCount "63"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} b5 {[%emt 0:00:22]} 2. e4 {[%emt 0:02:10]} Bb7 {[%emt 0:00:04]} 3. e5 {[%emt 0:03:26]} a6 {[%emt 0:00:55]} 4. c4 {[%emt 0:00:56]} bxc4 {[%emt 0:00:08]} 5. Bxc4 {[%emt 0:00:07]} e6 {[%emt 0:00:01]} 6. d4 {[%emt 0:03:55]} d5 {[%emt 0:03:04]} 7. Bb3 {[%emt 0:09:48]} c5 {[%emt 0:01:05]} 8. O-O {[%emt 0:00:11]} Nc6 {[%emt 0:01:33]} 9. Ba4 {[%emt 0:01:31]} Qb6 {[%emt 0:02:58]} 10. Nbd2 {[%emt 0:12:20]} Qa7 {[%emt 0:24:11]} 11. Nb3 {[%emt 0:02:53]} c4 {[%emt 0:02:00]} 12. Na5 {[%emt 0:00:13]} Rc8 {[%emt 0:00:06]} 13. b3 {[%emt 0:00:27]} c3 {[%emt 0:04:42]} 14. Qd3 {[%emt 0:01:51]} Kd8 {[%emt 0:00:06]} 15. Nxb7+ {[%emt 0:00:59]} Qxb7 {[%emt 0:00:34]} 16. Bg5+ {[%emt 0:03:09]} f6 {[%emt 0:00:09]} 17. exf6 {[%emt 0:00:05]} gxf6 {[%emt 0:00:04]} 18. Bf4 {[%emt 0:00:37]} Ba3 {[%emt 0:00:13]} 19. Qxc3 {[%emt 0:00:53]} Nge7 {[%emt 0:04:14]} 20. Qe3 {[%emt 0:02:10]} Qd7 {[%emt 0:00:10]} 21. Rfe1 {[%emt 0:05:27]} Ng6 {[%emt 0:00:05]} 22. Bg3 {[%emt 0:00:30]} Re8 {[%emt 0:00:01]} 23. h4 {[%emt 0:00:29]} h5 {[%emt 0:02:28]} 24. Qd3 {[%emt 0:01:18]} Nge7 {[%emt 0:08:02]} 25. Qxa6 {[%emt 0:00:13]} Bd6 {[%emt 0:00:01]} 26. Bxd6 {[%emt 0:01:43]} Qxd6 {[%emt 0:00:05]} 27. Rac1 {[%emt 0:00:27]} Rg8 {[%emt 0:00:18]} 28. Rc3 {[%emt 0:02:10]} Qb4 {[%emt 0:09:31]} 29. Rec1 {[%emt 0:00:42]} Qa5 {[%emt 0:00:01]} 30. Qe2 {[%emt 0:01:27]} Kd7 {[%emt 0:01:17]} 31. Bxc6+ {[%emt 0:00:08]} Nxc6 {[%emt 0:00:16]} 32. Rxc6 {[%emt 0:00:10]} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.28"]
[Round "9.1"]
[White "Galaktionov, Artem"]
[Black "Murzin, Volodar"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2332"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "171"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,171,12,13,16,14,13,18,-8,0,-13,0,0,0,0,0,-13,-16,-14,-15,-18,-18,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,8,4,7,19,0,0,0,10,0,194,10,45,0,0,0,0,0,0,0,45,45,45,45,70,68,139,146,120,45,16,0,70,70,59,64,73,97,158,155,332,332,325,317,317,317,246,310,283,268,267,254,246,239,225,8,225,129,269,129,129,129,129,129,129,129,129,129,129,129,129,106,106,106,129,129,106,39,39,39,39,39,65,53,71,12,16,10,129,45,29942,29,29961,29961,7092,24,29974,29975,29982,29976,29976,29978,29983,29979,29979,29980,29978,29979,6093,6109]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bg5 Nbd7 6. Nc3 h6 7. Bh4 {[#] D43: Semi-Slav: 5 Bg5 h6} b5 $1 {[%mdl 512]} (7... Be7 8. e3 O-O 9. Bd3 c5 10. cxd5 Nxd5 11. Bxe7 Nxe7 12. Qa3 Nc6 13. dxc5 Nxc5 14. Bb5 Qb6 {½-½ (47) Korobov,A (2673)-Matlakov,M (2694) Bilbao 2014}) 8. cxd5 (8. cxb5 cxb5) 8... cxd5 9. Bxf6 $146 {The position is equal.} ({Much worse is} 9. Qxb5 Rb8 $17) ({Predecessor:} 9. e3 b4 10. Na4 Qa5 11. Rc1 Bd6 12. Bg3 Bxg3 13. hxg3 O-O 14. Nc5 Nxc5 15. Rxc5 Qb6 16. Ne5 a5 17. Bd3 Ba6 18. O-O a4 19. Qc2 Bxd3 20. Qxd3 a3 {½-½ (20) Novak,J (2530)-Szczepanski,Z (2593) ICCF email 2010}) 9... Nxf6 10. e3 b4 11. Bb5+ Bd7 12. Bxd7+ Nxd7 13. Ne2 Bd6 14. O-O O-O 15. Rfc1 Nb6 16. Qd3 Qd7 17. Qa6 Rac8 18. b3 Rxc1+ 19. Rxc1 Rc8 20. Rxc8+ (20. Kf1 {is interesting.} Rxc1+ 21. Nxc1 Qc7 22. Nd3 Nd7 23. g3) 20... Nxc8 21. Ne5 Bxe5 22. dxe5 Ne7 23. Nd4 Qc7 24. g3 Qxe5 25. Qxa7 Nf5 26. Nxf5 Qxf5 $11 {[%mdl 4096] Endgame KQ-KQ} 27. Qb8+ Kh7 28. Qxb4 Qb1+ {[%mdl 64] Double Attack} 29. Kg2 Qxa2 30. Qc3 Qb1 31. b4 Qe4+ 32. Kf1 Qb1+ 33. Ke2 f5 34. h4 Qa2+ $1 35. Kf3 Qb1 36. Qd4 Kg8 $2 (36... g5 $11) 37. Kg2 $2 (37. Kf4 $18) 37... Kf7 38. Qc5 Qe4+ 39. Kh2 Qc4 40. Qa7+ Kf6 41. Qa1+ Kf7 42. Qb2 Qb5 43. Kg2 Kg6 44. Qe5 Kf7 (44... Qc6 $14) 45. Qc7+ $1 $16 Kf6 46. Qa5 ({White should try} 46. Qd6 $1 $16) 46... Qc4 $14 47. b5 {[%cal Bb4b5,Bb5b6][%mdl 32] b6 is the strong threat.} Qe4+ (47... Kf7 $11) 48. Kh2 {Hoping for b6.} Qc2 $1 {[%cal Rc2f2]} 49. Qa1+ $1 Kf7 $1 50. Kg1 $1 Qb3 (50... Qc5 $142) 51. Qa7+ $16 Kf6 $2 (51... Kg6 $16) 52. b6 $18 Qb1+ 53. Kg2 {And now b7 would win.} Qe4+ 54. Kh2 Qc2 55. Qa1+ $1 Kg6 56. Kg2 Qe4+ 57. Kg1 Qb4 58. Qd4 Qb5 59. Kg2 $2 ({White should play} 59. g4 $1 $18) 59... Kf7 $2 (59... h5 $1 $11 {and Black has nothing to worry.}) 60. h5 (60. g4 $1 $18) 60... Kf8 (60... Kg8 $16 61. Kf3 Kf8) 61. Kf3 (61. g4 $1 $18) 61... Kf7 $16 62. Kf4 Kf8 63. g4 fxg4 64. Kxg4 {Strongly threatening Qf4+.} e5 65. Qxe5 Qxb6 66. Qxd5 Qb2 67. Kg3 Qc1 68. Kg2 Qb2 69. Qf5+ Ke7 70. e4 (70. Qe4+ $16 Kf8 71. Qf5+ Kg8 72. Qe6+ Kh7 73. Qf5+ Kg8 74. Qe6+ Kh8 75. Qe8+ Kh7 76. Qe4+ Kh8 77. Qe8+ Kh7 78. Qg6+ Kg8 79. Qe8+ Kh7) 70... Qd4 $14 71. Kg3 Qd3+ 72. Qf3 Qb1 73. Kg4 Qg1+ 74. Qg3 ({Better is} 74. Kh3 $1 $16) 74... Qd1+ $1 $11 75. f3 {next Qe5+ is good for White.} Qa1 (75... Qd7+ $11 {keeps the balance.} 76. Kh4 Qd4) 76. Qc7+ (76. f4 $1 $16) 76... Kf8 $2 {[%mdl 8192] [#]} (76... Ke8 $14) 77. Qd6+ $2 (77. Qd8+ $1 {mates} Kf7 78. Kf5 Qg1 79. Qd7+ Kf8 80. Ke6 Kg8 81. Qe8+ Kh7 {[#]} 82. Qg6+ $1 {[%mdl 512]} Qxg6+ 83. hxg6+ Kxg6 84. e5) 77... Ke8 $2 {[%mdl 8192]} (77... Kg8 $11) 78. Kf5 Qf1 79. Qg3 $2 (79. Qe6+ $18 Kf8 80. Kg6 Qxf3 81. Qd6+ Ke8 82. Qe5+ Kd8 83. Kxg7) 79... Kf8 $2 {[%mdl 8192]} (79... Kf7 $11) 80. Kg6 Qa1 81. Qb8+ Ke7 82. Qc7+ Ke8 83. Qxg7 Qg1+ 84. Kh7 Qe3 85. Qg6+ Ke7 86. Qf5 {Accuracy: White = 51%, Black = 45%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.28"]
[Round "9.2"]
[White "Khanin, Semen"]
[Black "Drygalov, Sergey"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2524"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,16,20,24,10,17,9,26,25,50,41,54,53,64,32,65,51,100,0,0,0,0,0,0,0,0,0,38,34,29,32,61,47,51,56,53,37,37,41,33,11,12,12,13,14,15,8,14,8,12,0,0,0,0,0,8,0,0,0,1,0,0,0,0,0,0,0,0,0,0,-2]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e5 7. Bg5 Be6 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} (7... Be7 8. Bxf6 Bxf6 9. Qd3 Be6 10. O-O-O Be7 11. Nd5 Bxd5 12. Qxd5 Qc7 13. Kb1 O-O 14. Na5 Nc6 15. Nc4 Rad8 {1-0 (50) Grischuk,A (2737)-Nepomniachtchi,I (2767) Doha 2016}) 8. Bxf6 Qxf6 9. Na5 Qd8 10. Nc4 Nc6 11. Nd5 b5 12. Nce3 $1 Be7 13. c3 (13. a4 $5 {[%cal Ra4b5]} b4 14. Bc4 $14) 13... Bg5 14. Nf5 $146 ({Predecessor:} 14. a4 b4 15. cxb4 Bxe3 16. Nxe3 Nxb4 17. Bc4 Qd7 18. Qd2 {½-½ (30) Dubov,D (2161)-Ilkin,A (2134) Ufa 2010}) 14... g6 15. Ng7+ (15. h4 $16) 15... Kf8 $11 16. Nxe6+ fxe6 17. Nb4 Nxb4 18. cxb4 d5 19. Bd3 dxe4 20. Bxe4 Qxd1+ 21. Rxd1 Rd8 22. h4 Rxd1+ 23. Kxd1 $14 {[%mdl 4096] Endgame KRB-KRB} Be7 24. h5 gxh5 25. Rxh5 Bxb4 26. Rxe5 {Black must now prevent a3.} Kf7 {The position is equal.} 27. Ke2 Rd8 28. Bd3 h6 29. b3 Rc8 30. Rh5 Kg7 31. a4 bxa4 32. bxa4 a5 33. Rh4 Rc5 34. Bc4 Re5+ 35. Kd3 Bc5 36. f3 Rg5 37. Bxe6 Rxg2 38. Rg4+ Rxg4 39. fxg4 Kf6 40. Bc8 Bb4 41. Bf5 {Accuracy: White = 51%, Black = 72%.} 1/2-1/2

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.28"]
[Round "9.3"]
[White "Yeletsky, Ivan"]
[Black "Ofitserian, Boris"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2409"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,8,29,20,18,12,31,23,34,27,13,0,31,44,93,85,85,62,124,129,117,130,144,125,126,133,140,144,126,98,142,134,288,294,294,294,305,318,325,302,304,304,292,289,389,387,375,366,516,522,513,467,434,536,504,438,562,562,546,520,867,844,5289,5164,2369,1825]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 (8... Nbd7 {is interesting.} 9. Qd2 b5 10. O-O-O Be7 11. a3 h5) 9. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Bxd5 10. exd5 Nbd7 11. Qd2 {White is slightly better.} g6 12. Be2 (12. O-O-O Bg7 13. Kb1 Qc7 14. Be2 a5 15. a4 O-O 16. g4 Rfc8 17. Bb5 hxg4 18. fxg4 Nxg4 {0-1 (75) Robson,R (2667)-Saric,I (2690) chess.com INT 2019}) 12... Bg7 13. O-O-O Nb6 14. Kb1 $146 ({Predecessor:} 14. c4 Rc8 15. Bxb6 Qxb6 16. Kb1 O-O {0-1 (27) Abdullah Al,R (1824)-Anata,C (2084) Dhaka 2018}) 14... Qc7 15. Qa5 $1 Nfd7 16. c4 Rc8 (16... Bh6 $1 $14 17. Bxh6 Rxh6) 17. Rc1 $16 Bh6 18. Bxh6 Rxh6 19. Qd2 Rh7 20. f4 exf4 21. Qxf4 Kf8 22. Nd2 $36 {[%mdl 2048] White is on the roll.} Re8 23. Ne4 Nc5 $2 (23... Rg7 $16 {was worth a try.}) 24. Nf6 $18 {[%mdl 64] Double Attack} Rxe2 {[#]} 25. Rhe1 $1 {[%cal Re1e2]} ({Weaker is} 25. Nxh7+ Kg7 $14) 25... Re5 26. Nxh7+ Kg7 {Hoping for ...Nd3.} 27. Nf6 {Qxe5! is the strong threat.} Qe7 {[#]} 28. Rxe5 $1 dxe5 29. Qf2 e4 30. d6 Qxf6 31. Qxc5 Qxb2+ (31... Nd7 $142 32. Qd5 b6) 32. Kxb2 {White is clearly winning.} Na4+ 33. Kc2 {White wants to mate with Qd4+.} Nxc5 {[%mdl 4096] Endgame KR-KN} 34. Kc3 f5 35. Rd1 Nd7 {[#]} 36. c5 $1 {[%mdl 512]} Kf6 (36... Nxc5 37. d7) 37. Kd4 Ke6 (37... Nf8 $142 38. Kc4 Ne6) 38. Rb1 b6 39. c6 Ne5 40. Rc1 {Accuracy: White = 93%, Black = 42%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.28"]
[Round "9.4"]
[White "Triapishko, Alexandr"]
[Black "Gaifullin, Artur"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2506"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,71,24,27,25,24,34,31,44,3,34,0,0,0,0,-6,0,0,0,-71,-2,-1,23,28,55,53,55,45,32,26,157,154,160,131,157,169,158,121,164,151,150,145,150,158,157,147,199,201,190,117,178,162,171,183,304,261,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. Bxc6 Bxc6 7. d4 Nf6 8. Re1 Be7 9. Nc3 exd4 {C84: Closed Ruy Lopez: Unusual White 6th moves} 10. Nxd4 Bd7 (10... Nd7 11. Nf5 Bf6 12. Nd5 O-O 13. Nxf6+ Qxf6 14. Bd2 Rfe8 15. Bc3 Qg6 16. f3 f6 17. Kh1 {0-1 (66) Naiditsch,A (2663)-Krasenkow,M (2610) Drancy 2016}) 11. Qf3 O-O {White is slightly better.} 12. b3 Ng4 $146 ({Predecessor:} 12... Re8 13. Bb2 Qc8 14. Nf5 Bxf5 15. exf5 c6 16. Ne4 d5 17. Nxf6+ Bxf6 18. Bxf6 gxf6 19. Rxe8+ Qxe8 {½-½ (92) Gallego Alcaraz,A (2404)-Ibarra Chami,L (2393) Montevideo 2009}) 13. Nf5 Bf6 14. Bb2 Ne5 15. Qg3 Bxf5 16. exf5 Nc6 17. Re3 (17. Rab1 $11) 17... Nb4 (17... Qd7 $17 18. Qf4 Be5) 18. Re4 $36 {[%mdl 2048] White has some pressure.} Nxc2 19. Rd1 $1 {Strongly threatening Qd3.} Re8 {And now ...Rxe4 would win.} 20. Qd3 $1 {[%cal Rd3c2]} Rxe4 21. Qxe4 {[#]} Na3 $1 {[%cal Ra3b5][%mdl 512]} 22. Qxb7 (22. Bxa3 Bxc3) 22... Rb8 (22... Nb5 $11 {keeps the balance.} 23. Nxb5 axb5 24. Bxf6 gxf6) 23. Qxa6 $16 Nc2 24. Qe2 Nb4 25. a3 Nc6 26. b4 Qd7 27. Nd5 {[%mdl 64] Discovered Attack} Bxb2 28. Qxb2 {f6 is the strong threat.} Ne7 29. Nxe7+ Qxe7 {[%mdl 4096] Endgame KQR-KQR} 30. g3 Qe4 (30... h6 $16 31. Rc1 d5) 31. Qc3 $18 c5 32. bxc5 (32. Rxd6 $18 cxb4 {[#]} 33. Qxb4 $1 {[%mdl 512]} Qxb4 34. axb4) 32... dxc5 (32... Qc6 $16 {is a better defense.} 33. f6 dxc5) 33. Qxc5 h5 34. f6 h4 {[#]} (34... Qf3 {might work better.} 35. Qd5 Qxf6 36. Qxh5 g6) 35. Qg5 $1 {[%csl Gf6][%cal Rg5g7]} g6 $2 (35... Qh7 $18 36. Qb5 Rc8) 36. Qh6 {Accuracy: White = 61%, Black = 32%.} 1-0

[Event "RUS-ch U21 2019"]
[Site "Loo"]
[Date "2019.04.28"]
[Round "9.5"]
[White "Drygalov, Andrey"]
[Black "Pogosyan, Stefan"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2481"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.04.20"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,13,58,54,67,56,85,53,103,94,93,87,132,112,128,104,122,63,85,25,112,8,120,0,144,167,187,185,276,281,284,247,616,613,604,591,609,612]} 1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 h6 (5... f6 6. Be3 fxe5 7. dxe5 Bg4 8. Nbd2 Nge7 9. Ng5 Nf5 10. Nxe6 Nxe3 11. Nxd8 Nxd1 12. Nxc6 Nxf2 13. Kxf2 {½-½ (67) Martinovic,S (2537)-Stevic,H (2620) Porec 2014}) 6. O-O {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} Nge7 7. c3 Qd7 8. b4 $146 {[%cal Bb2b4,Bb4b5][%mdl 32] White is better.} ({Predecessor:} 8. Be3 g5 9. Ne1 Bg6 10. Nd2 Nf5 11. b4 Nce7 12. Nb3 Nxe3 13. fxe3 Nf5 {½-½ (73) Moe,P (1778)-Nilsen,T (2052) Oslo 2018}) 8... f6 9. Nbd2 Ng6 {[%cal Rf6e5]} 10. Nb3 a5 11. b5 Nd8 12. a4 Nf7 {[%cal Rf6e5]} 13. exf6 (13. Bd3 $16 {Bxf5 is the strong threat.} Bxd3 14. Qxd3) 13... gxf6 $14 14. c4 (14. Ne1 $16) 14... b6 (14... dxc4 $1 $11 15. Bxc4 b6) 15. Be3 ({Better is} 15. c5 $16) 15... Nd6 {[#]} (15... dxc4 $1 $11 {remains equal.} 16. Bxc4 O-O-O) 16. Nfd2 ({White should play} 16. c5 $1 $16) 16... h5 (16... dxc4 $11 17. Nxc4 Nxc4 18. Bxc4 O-O-O) 17. c5 $16 Ne4 18. Rc1 (18. Bxh5 $6 Nxd2 19. Bxg6+ (19. Nxd2 Qh7 $11) 19... Bxg6 $16) 18... Bh6 (18... h4 $142 19. Nxe4 Bxe4) 19. cxb6 (19. Bxh5 $6 Ke7 $18) 19... cxb6 20. Rc6 ({Much less strong is} 20. Bxh5 $6 Ke7 $18) 20... Rc8 $2 {[#]} (20... Nxd2 21. Qxd2 (21. Bxd2 Bxd2 22. Qxd2 Rb8 $18) (21. Nxd2 Rc8 $18) 21... Bxe3 22. Qxe3 Qd8) 21. Nxe4 $18 {White is clearly winning.} Bxe4 22. Bxh6 Rxh6 23. f3 {Played: Qd1-c1} 1-0

