[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "1.1"]
[White "Galkin, Gleb"]
[Black "Zarubitski, Viachaslau"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "2225"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,112,12,17,20,7,17,24,29,37,-10,35,-49,-27,-42,-43,-28,-41,-42,-26,-55,-49,-43,0,0,0,0,0,0,0,5,8,-12,-15,-19,0,-27,-27,-24,-36,-38,-14,-53,-56,-56,-20,-115,-111,-149,-157,-250,-239,-268,-264,-274,-260,-252,-211,-240,-213,-280,-287,-302,-283,-436,-436,-377,0,-235,0,-353,-322,-328,-338,-295,-321,-685,-685,-887,-870,-1064,-988,-958,-810,-1645,-1604,-2054,-1937,-29990,-6498]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 c6 6. cxd5 cxd5 7. d4 Nc6 8. Nc3 O-O 9. Ne5 Bf5 10. Nxc6 bxc6 11. Bf4 Nd7 12. Rc1 e5 13. dxe5 Nxe5 14. Na4 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} Rc8 {[#]} 15. Be3 $146 ({Predecessor:} 15. b3 Re8 16. Qd2 Bf8 17. Nc5 Nd7 18. Nb7 Qf6 19. Be3 Qe6 20. Qa5 c5 21. Nxc5 Nxc5 22. Bxc5 Bxc5 23. Rxc5 Rxc5 24. Qxc5 Qxe2 25. Qxa7 {1-0 (40) Nyzhnyk,I (2662)-Shankland,S (2683) chess.com INT 2020}) 15... Qd7 16. Nc5 {White has an edge.} Qe7 17. Bd4 Rfe8 (17... Nd3 $5 18. Nxd3 Bxd4 $15) 18. Qa4 ({White should try} 18. e3 $14) 18... Nc4 $15 19. Bxg7 Kxg7 20. e4 Qxc5 21. exf5 Nxb2 (21... gxf5 22. b3 $16) 22. f6+ Kg8 23. Qh4 Qd6 (23... Nc4 {feels hotter.} 24. Bh3 Rcd8 25. Qh6 Qf8 26. Qxf8+ Kxf8 27. Rfd1 g5) 24. Qd4 $1 {[%cal Rd4b2]} Qe5 25. Qxe5 Rxe5 26. Bh3 Rd8 27. Rxc6 d4 28. Rc2 (28. Rb1 {keeps more tension.} Na4 29. f4 Red5 30. Bg2 R5d7 31. Bf1) 28... Na4 29. Rd1 {[#] Black must now prevent Rxd4!} Red5 30. Bf1 Nc3 31. Rd3 R5d6 32. Bg2 g5 33. f4 gxf4 34. gxf4 Kf8 35. Rh3 (35. Bf3 $11 {keeps the balance.}) 35... Rxf6 $17 36. Rd2 {Threatens to win with Rxc3!} Ke7 ({Not} 36... Rxf4 $2 {[#]} 37. Rxc3 $1 {[%mdl 512]} dxc3 38. Rxd8+ Ke7 39. Rc8 $18) 37. Rxh7 (37. Rf3 $17 {was called for.}) 37... Rxf4 $19 38. Rh3 Rb8 {aiming for ...Rb1+.} 39. Rf3 Rb1+ 40. Rf1 Rbxf1+ 41. Bxf1 {[%mdl 4096] Endgame KRB-KRN} Kd6 42. Kg2 Ke5 43. Bd3 f5 44. Rb2 (44. h3 $142) 44... Rg4+ 45. Kf3 Rf4+ 46. Kg2 $1 Rg4+ (46... Ne4 $142 47. h3 Nc5) 47. Kf3 Rh4 {Hoping for ...Rh3+.} 48. Kg3 Rh7 49. h4 Ne4+ 50. Kh3 $2 (50. Kf3 Rxh4 51. Rb5+ Ke6 52. Kg2) 50... Kf4 51. Bb1 Rd7 52. Bd3 Rg7 53. Kh2 Rh7 54. Kh3 Ke3 55. Bf1 d3 56. Rb3 Nf2+ {Weighted Error Value: White=0.62/Black=0.21} (56... Kf2 $142 57. Rxd3 Ng5+ 58. Kh2 Rxh4+ 59. Bh3 Nf3+ 60. Rxf3+ Kxf3 61. Kh1 Rxh3+ 62. Kg1 a5 63. a3 a4 64. Kf1 Rh1#) 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "1.2"]
[White "Bialiauski, Artsiom"]
[Black "Silich, Yahor"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2077"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,134,17,16,38,37,41,40,44,46,55,42,27,-24,22,-55,-48,-48,-40,-45,-13,-42,10,-26,40,-29,-45,-22,-19,-29,-28,-147,-135,-139,-127,-231,-226,-322,-309,-267,-81,-145,-115,-116,-82,-109,-63,-63,-63,-66,-56,-61,-34,-79,-72,-119,0,0,12,0,0,-15,0,-65,-17,-13,-8,-107,-106,-114,-112,-212,-213,-212,-179,-192,-181,-163,-156,-197,-203,-190,-193,-268,-259,-224,-177,-177,-162,-276,-275,-396,-378,-352,-302,-991,-1058,-990,-968,-5089,-4575,-12821,-5078,-29984,-29985,-29986,-29987,-29987,-29988,-29988,-29986,-29988,-29988,-29990,-29990,-29990,-29991,-29991,-29992,-29992,-29991]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. Be2 Nc6 7. O-O Nd7 8. c4 e5 9. Bh2 f5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 10. Nc3 e4 {10...g5 is the modern continuation.} 11. Ne1 Nf6 {White is slightly better.} 12. Nc2 g5 13. b4 Ne7 14. d5 {[#]} (14. Qd2 $142) 14... Ng4 $146 ({Predecessor:} 14... Ng6 15. Nd4 Qe7 16. Re1 g4 17. hxg4 Nxg4 18. Bxg4 fxg4 19. Qc2 Bf5 20. Rac1 Rae8 {1-0 (65) Poghosyan,S (2256)-Yeremyan,A (2060) Yerevan 2017}) 15. Nd4 (15. hxg4 $11 Bxc3 16. Rb1) 15... Nxh2 $15 16. Kxh2 Ng6 17. Rc1 Qe7 18. Kg1 Kh8 (18... a5 $15 19. b5 b6) 19. c5 Ne5 (19... f4 $11) 20. c6 (20. Qc2 $14) 20... b6 $11 21. Qb3 Rg8 22. Ne6 Bf6 23. Nb5 (23. Rfd1 $11) 23... Bxe6 $17 24. dxe6 g4 25. Kh2 {[#]} (25. Kh1 $17 {might work better.}) 25... Nf3+ $1 $19 {[%mdl 512]} 26. Bxf3 ({Wrong is} 26. gxf3 $2 gxf3 27. Rg1 Be5+ 28. Rg3 Qh4 $19) (26. Kh1 {is a better defense.}) (26. Kh1 Nd2) 26... Be5+ ({Weaker is} 26... gxf3 27. g3 $19) 27. g3 exf3 (27... gxf3 $19 28. Rg1 Rg6) 28. Qd5 ({White should play} 28. Kg1) 28... Rg6 29. Rh1 Rag8 30. Kg1 a6 31. Nd4 Bxd4 32. Qxd4+ Qf6 33. hxg4 fxg4 {Hoping for ...Qxd4.} 34. Re1 Re8 {White must now prevent ...Qxd4.} 35. Rh4 Rxe6 (35... Qxd4 $17 36. exd4 Rgxe6 37. Rxe6 Rxe6 38. Rxg4 Re1+ 39. Kh2 Re2) 36. Rxg4 $11 Kg7 (36... Qg7 {looks sharper.} 37. Rf4 Ref6 38. Kf1 Rh6 39. Kg1 Rhg6) 37. Qxf6+ Rexf6 {[%mdl 4096] Endgame KRR-KRR} 38. Rd4 Kf7 39. e4 (39. Red1 $11) 39... Ke6 {Threatens to win with ...Rxg3+!} (39... Rxg3+ $5 40. fxg3 f2+ {[%mdl 64] Double Attack} 41. Kf1 fxe1=Q+ 42. Kxe1 Rf3 $17) 40. Re3 $1 h5 41. Kf1 {[#]} (41. a4 $11 {keeps the balance.}) 41... Rg4 $1 $17 {Black keeps a firm grip on the game.} 42. Rdd3 h4 43. gxh4 (43. Rxf3 $17 Rxf3 44. Rxf3 Rxe4 45. a3) 43... Rxh4 $19 {[%cal Rh4h1]} 44. Ke1 Rff4 45. Kd2 Rxe4 46. a3 Rxe3 47. Rxe3+ {KR-KR} Kd5 48. Rxf3 Kxc6 49. Kc3 (49. Rf5 $142) 49... Kd5 50. Rf5+ Ke6 51. Rf8 Rh3+ 52. Kb2 {[#]} (52. f3 $142) 52... Kd5 $1 53. Rf7 (53. Ka2 $142) 53... c5 54. Ra7 Kc4 55. bxc5 $2 (55. Rxa6 Kb5 56. Ra8) 55... bxc5 56. Rxa6 d5 57. Rf6 d4 58. Rf5 Rb3+ 59. Ka2 Rb8 {Black mates.} 60. Rf7 d3 61. Rd7 Kc3 62. a4 c4 63. a5 Rb5 64. f4 d2 65. a6 Ra5+ 66. Kb1 Rxa6 67. f5 Rb6+ {Weighted Error Value: White=0.72/Black=0.26} 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "1.3"]
[White "Lazavik, Denis"]
[Black "Runets, Ivan"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2438"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,90,30,29,25,6,22,22,41,53,45,43,58,50,53,53,55,46,54,45,54,46,60,58,53,54,54,54,61,61,61,61,61,46,57,40,40,40,40,30,40,40,41,22,29,14,16,6,11,11,25,24,20,20,33,30,25,10,23,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 O-O 8. Qc2 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6][%mdl 32]} 9. Nf3 Re8 10. h3 Nf8 11. O-O Ne4 12. Bf4 ({Avoid the trap} 12. Nxe4 $2 dxe4 13. Bxe7 Qxe7 $19) 12... f5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 13. Ne2 Ng6 14. Bh2 Bd6 {[#]} 15. Bxd6 $146 ({Predecessor:} 15. Nf4 Nh4 16. Be2 Nxf3+ 17. Bxf3 Qc7 18. Kh1 Be6 19. Bxe4 fxe4 20. Nxe6 Rxe6 21. Bxd6 Qxd6 22. f4 {½-½ (22) Movsesian,S (2679)-Dautov,R (2603) Emmendingen 2017}) 15... Qxd6 16. h4 Be6 17. g3 a5 18. Kg2 Nh8 19. Nf4 Nf7 20. Rac1 Bd7 21. Be2 (21. Rfe1 {seems wilder.} a4 22. a3 b5 23. Rh1 Rac8 24. Qd1) 21... Nf6 22. Qc5 (22. Qb3 {feels hotter.} Qe7 23. Qd1 Ng4 24. Nd3 Be6 25. a3) 22... Qxc5 23. Rxc5 Ne4 24. Rc2 Ned6 25. Nd3 Re7 26. Rb1 Be8 27. Nd2 Ne4 28. Nb3 a4 29. Nbc1 Ned6 30. Nb4 g6 31. Ncd3 Nc4 32. Nc5 Nfd6 33. Bf3 Bf7 34. Rbc1 Kg7 35. b3 axb3 36. axb3 Nb6 37. Nbd3 Ra3 38. Ne5 Be8 39. Be2 Ne4 40. b4 Nd6 {The position is equal.} 41. Rc3 Ra2 42. R1c2 Ra1 43. Rc1 Ra2 44. R3c2 Ra3 45. Rc3 Ra2 {Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "1.4"]
[White "Siniauski, Artsiom"]
[Black "Tsaruk, Maksim"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2277"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,95,28,22,7,23,-7,0,0,0,0,0,19,0,2,25,-27,57,0,0,0,0,0,0,0,11,17,8,4,4,4,26,25,41,29,36,19,19,19,31,37,37,20,21,19,10,10,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. f3 O-O 10. Be3 Nc6 11. Nde2 {B52: Sicilian: Moscow Variation with 3...Bd7.} a6 12. a4 Qc7 13. O-O e6 14. Rc1 Rad8 {[#]} 15. Nd5 $146 ({Predecessor:} 15. Nf4 Qa5 16. Rf2 Rd7 17. Rd2 Rfd8 18. Kh1 Nb4 19. Qg1 Rc8 20. b3 Qd8 21. h3 {1-0 (41) Pinter,G (2388)-Bensdorp,L (2074) Aviles 2002}) 15... exd5 16. cxd5 Rfe8 17. dxc6 (17. b4 $142) 17... d5 (17... bxc6 $11 18. a5 c5) 18. cxb7 (18. Bf4 $14 Qb6+ 19. Qd4 Qxd4+ 20. Nxd4) 18... Qxb7 $11 19. e5 {[%cal Re5f6]} Rxe5 20. Bd4 Ree8 21. Qd2 Nd7 {[#] And now ...Rxe2! would win.} 22. Bxg7 Kxg7 23. Qd4+ Kg8 24. Nf4 Nf8 25. Rfe1 {Black must now prevent Rxe8.} Ne6 26. Nxe6 fxe6 27. h4 Rb8 28. Re2 Qb6 29. Rc5 Qb4 {[#]} 30. Rxd5 exd5 {The position is equal.} 31. Rxe8+ Kf7 32. Qxb4 Rxb4 {[%mdl 4096] Endgame KR-KR} 33. Re5 (33. Rh8 {is interesting.} Kg7 34. Rd8 Rxa4 35. Rd7+ Kg8 36. h5) 33... Rxa4 34. Rxd5 Rxh4 35. Rd7+ Kg8 36. g4 h5 37. Rd6 (37. Kg2 {looks sharper.} hxg4 38. Kg3 Rh5 39. fxg4 Rb5 40. Kh4) 37... Kg7 38. gxh5 Rxh5 39. Rxa6 Rb5 40. Ra2 Rb3 41. Kg2 Kf6 42. Kf2 Kf5 43. Kg3 g5 44. Ra5+ Kf6 45. Ra6+ Kf5 46. Ra2 Kg6 47. Ra6+ Kf5 48. Ra5+ {Weighted Error Value: White=0.08/Black=0.06} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "2.1"]
[White "Zarubitski, Viachaslau"]
[Black "Tsaruk, Maksim"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "2456"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,84,49,44,44,49,38,52,58,39,45,43,60,69,0,76,62,64,59,68,59,80,80,64,38,64,35,42,0,0,0,0,-26,-8,-180,-194,-183,-188,-195,-182,-361,-378,-371,-368,-341,-239,-377,-377,-646,-645,-1036,-988,-974,-935,-1232,-1244,-908,-889]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Re4 Nf6 {White must now prevent ...Ng4. 15...Qd7 is not played anymore.} 16. Rh4 {C89: Closed Ruy Lopez: Marshall Attack.} Qf5 17. Nd2 {[%cal Bb1d2,Bd2e4,Be4d6][%mdl 32]} g5 {The old main line.} 18. Rh6 {Hoping for Ne4!White is slightly better.} Ng4 {[#]} 19. Ne4 {[%mdl 64] Double Attack, Discovered Attack} Nxh6 20. Nxd6 Qg6 {[%cal Rg6d6]} 21. Qd2 {[#]} Nf5 $146 (21... Qxd6 $11 22. Qxg5+ {[%mdl 64] Double Attack} Qg6 23. Qxh6 Re8 24. Qxg6+ hxg6) ({Predecessor:} 21... Qxd6 22. Qxg5+ Qg6 23. Qxg6+ hxg6 24. Bxh6 Re8 25. Be3 Bf5 26. d4 Be4 27. h4 a5 {½-½ (35) Leko,P (2713)-Grischuk,A (2671) Dubai 2002}) 22. Nxc8 $16 Raxc8 23. Qxg5 Rfe8 {aiming for ...Re1+.} 24. Kf1 Rc7 {[%cal Bc8c7,Bc7e7,Be7e2][%mdl 32]} 25. h4 Rce7 26. Bd2 Qxg5 27. Bxg5 Re2 28. g4 h6 $1 {[%cal Rh6g5]} 29. Bf6 Nd6 30. Bd1 Rxb2 {With the idea ...Rd2.} 31. c4 $2 {This costs White the game.} (31. g5 $11) 31... Rd2 $19 32. c5 {[#]} Re6 33. g5 Ne8 34. Bb3 $2 (34. Bd4) 34... Nxf6 35. Bxe6 fxe6 36. gxf6 {[%mdl 4096] Endgame KR-KR} Kf7 ({Not} 36... Rxd3 37. Ke2 $19) 37. Kg2 (37. a4 {only move.} b4 38. a5 Rxd3 39. Ke2) 37... Rxd3 38. a4 $2 (38. Rc1) 38... b4 {Black is clearly winning.} 39. a5 Kxf6 40. Ra4 Rd4 41. Kg3 Ke5 42. Ra1 Kd5 {Weighted Error Value: White=0.71/Black=0.09} 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "2.2"]
[White "Runets, Ivan"]
[Black "Siniauski, Artsiom"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2257"]
[BlackElo "2277"]
[Annotator "RC"]
[PlyCount "104"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:01:17]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:01:23]} b6 {[%emt 0:00:25]} 4. g3 {[%emt 0:00:45]} Bb4+ {[%emt 0:00:40]} 5. Bd2 {[%emt 0:00:50]} Be7 {[%emt 0:00:28]} 6. Nc3 {[%emt 0:00:41]} c6 {[%emt 0:00:59]} 7. Bf4 {[%emt 0:08:06]} d5 {[%emt 0:01:24]} 8. Bg2 {[%emt 0:02:41]} O-O {[%emt 0:01:21]} 9. Nd2 {[%emt 0:06:44]} Bb7 {[%emt 0:07:04]} 10. O-O {[%emt 0:00:43]} Nbd7 {[%emt 0:05:34]} 11. e4 {[%emt 0:01:31]} dxc4 {[%emt 0:04:07]} 12. a4 {[%emt 0:00:08]} b5 {[%emt 0:16:49]} 13. axb5 {[%emt 0:07:48]} cxb5 {[%emt 0:00:46]} 14. Nxb5 {[%emt 0:00:11]} Nb6 {[%emt 0:02:08]} 15. Be3 {[%emt 0:07:35]} Bb4 {[%emt 0:04:37]} 16. Nc3 {[%emt 0:10:46]} a5 {[%emt 0:02:33]} 17. g4 {[%emt 0:05:56]} Nfd7 {[%emt 0:07:09]} 18. Qe2 {[%emt 0:04:50]} f5 {[%emt 0:06:48]} 19. f3 {[%emt 0:08:26]} f4 {[%emt 0:05:23]} 20. Bf2 {[%emt 0:01:37]} e5 {[%emt 0:00:24]} 21. Rfd1 {[%emt 0:00:32]} Qf6 {[%emt 0:03:44]} 22. Ndb1 {[%emt 0:14:53]} Rfd8 {[%emt 0:09:48]} 23. Na3 {[%emt 0:00:54]} exd4 {[%emt 0:01:30]} 24. Bxd4 {[%emt 0:00:22]} Bc5 {[%emt 0:00:05]} 25. Nab5 {[%emt 0:04:38]} Bxd4+ {[%emt 0:01:19]} 26. Rxd4 {[%emt 0:00:07]} Ne5 {[%emt 0:01:43]} 27. Rxd8+ {[%emt 0:00:21]} Qxd8 {[%emt 0:00:39]} 28. Rd1 {[%emt 0:00:22]} Qe7 {[%emt 0:00:34]} 29. Qf2 {[%emt 0:00:29]} Nbd7 {[%emt 0:00:57]} 30. Nd6 {[%emt 0:04:43]} Nd3 {[%emt 0:02:24]} 31. Qd4 {[%emt 0:03:43]} N7e5 {[%emt 0:00:34]} 32. Nxc4 {[%emt 0:00:46]} Rd8 {[%emt 0:01:57]} 33. Nd5 {[%emt 0:00:17]} Bxd5 {[%emt 0:00:21]} 34. Nxe5 {[%emt 0:00:31]} Bb3 {[%emt 0:02:32]} 35. Nc6 {[%emt 0:01:26]} Rxd4 {[%emt 0:00:11]} 36. Nxe7+ {[%emt 0:00:03]} Kf7 {[%emt 0:00:33]} 37. Nf5 {[%emt 0:00:56]} Bxd1 {[%emt 0:00:07]} 38. Nxd4 {[%emt 0:00:03]} Nxb2 {[%emt 0:00:05]} 39. Nb5 {[%emt 0:01:14]} a4 {[%emt 0:00:55]} 40. Kf2 {[%emt 0:00:00]} Nd3+ {[%emt 0:00:00]} 41. Kg1 {[%emt 0:00:42]} Kf6 {[%emt 0:04:39]} 42. h4 {[%emt 0:02:02]} Ke5 {[%emt 0:02:26]} 43. g5 {[%emt 0:01:35]} Ne1 {[%emt 0:01:41]} 44. Kf2 {[%emt 0:01:37]} Nxg2 {[%emt 0:00:50]} 45. Kxg2 {[%emt 0:00:01]} Be2 {[%emt 0:00:10]} 46. Na3 {[%emt 0:03:24]} Kd4 {[%emt 0:00:09]} 47. Kf2 {[%emt 0:00:15]} Bd3 {[%emt 0:00:07]} 48. Ke1 {[%emt 0:02:20]} Ke3 {[%emt 0:00:23]} 49. e5 {[%emt 0:00:08]} Kxf3 {[%emt 0:00:21]} 50. e6 {[%emt 0:00:11]} Kg2 {[%emt 0:00:08]} 51. e7 {[%emt 0:00:23]} Bg6 {[%emt 0:00:04]} 52. Kd2 {[%emt 0:02:29]} f3 {[%emt 0:00:13]} 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "2.3"]
[White "Silich, Yahor"]
[Black "Lazavik, Denis"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2325"]
[BlackElo "2438"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,21,19,12,17,4,26,8,24,17,8,16,13,4,33,39,33,41,25,26,16,12,12,12,12,10,12,12,23,14,25,4,4,4,3,3,12,0,0,0,8,8,8,8,8,8,8,7,8,-15]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 {Recently 6...h6 got a lot of attention.} 7. a4 h6 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} O-O 9. h3 Be6 10. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e3][%mdl 32] White has an edge.} Ba7 11. b4 Bxc4 12. Nxc4 Re8 13. Be3 d5 14. exd5 Qxd5 {Threatening ...e4.} 15. Bxa7 Rxa7 16. Ne3 Qd7 {[#]} 17. b5 $146 ({Predecessor:} 17. Qc2 Raa8 18. Nc4 Qd5 19. Ne3 Qd7 20. Nc4 Qf5 21. b5 axb5 22. axb5 Rxa1 23. Rxa1 {½-½ (54) Topalov,V (2761)-Kramnik,V (2812) Paris 2016}) 17... axb5 18. axb5 Rxa1 19. Qxa1 Nd8 20. c4 Qxd3 21. Nxe5 Qd6 {[#]} 22. Rd1 $1 Qxe5 {The position is equal.} 23. Qxe5 Rxe5 24. Rxd8+ Re8 25. Rxe8+ Nxe8 $11 {[%mdl 4096] Endgame KN-KN} 26. Kf1 Kf8 27. Ke2 Ke7 28. Kd3 Kd6 29. Kd4 c5+ 30. bxc6 Kxc6 31. Ke4 {Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "2.4"]
[White "Galkin, Gleb"]
[Black "Bialiauski, Artsiom"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2225"]
[BlackElo "2077"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,57,38,21,6,11,-12,0,-12,152,62,44,40,36,8,68,71,98,106,392,393,387,379,417,417,457,450,526,524,516,480,487,485,495,476,712,711,692,660]} 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O cxd4 7. exd4 Be7 8. Nc3 O-O 9. Qe2 Nc6 10. Rd1 Na5 11. Bd3 b6 12. Ne5 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} Bb7 13. Bc2 {[#]} Nc6 $146 ({Predecessor:} 13... Rc8 14. Rd3 Ba6 15. Bg5 Bxd3 16. Qxd3 g6 17. Rd1 Nd5 18. Bh6 Re8 19. Qf3 Bf6 20. Ba4 Nxc3 21. bxc3 Bxe5 22. dxe5 Qh4 23. Bxe8 Rxe8 24. Rd7 f5 25. exf6 Rf8 26. f7+ {1-0 (26) Pantzar,M (2421)-Haitin,I (2348) Chess.com INT 2020}) 14. Bb3 {The position is equal.} Nd5 $2 {[#]} (14... Rc8 $11) 15. Nxd5 ({White should play} 15. Nxf7 $1 $16 {[%mdl 512]} Qc8 16. Ng5 (16. Nxd5 exd5 17. Ne5 Nxe5 $16) 16... Bxg5 17. Bxg5 (17. Bxd5 exd5 18. Bxg5 Qf5 $14)) 15... exd5 $14 16. Bf4 Rc8 17. Bc2 Bf6 ({Better is} 17... g6 $11) 18. Bf5 $36 {[%mdl 2048] Keeping Black busy.} Rc7 {[#]} 19. Ng4 $1 Nxd4 $2 {[%mdl 8192] This costs Black the game.} (19... Bxd4 $16 20. Bxc7 Qxc7) 20. Nxf6+ $18 Qxf6 {[#]} 21. Rxd4 {[%mdl 512]} Re7 (21... Rc4 22. Rxc4) 22. Qd3 g6 {Black wants to play ...Rfe8.} 23. Bg4 {White is clearly winning.} Ba6 24. Qd2 Rfe8 {White must now prevent ...Qxd4.} 25. Be3 Bb7 26. Bf3 Re5 27. Rd1 Rd8 (27... Qf5 $142 28. Rc1 Qf6) 28. Bf4 Rf5 29. Bg4 {Weighted Error Value: White=0.13/Black=0.57} 1-0

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "3.1"]
[White "Bialiauski, Artsiom"]
[Black "Zarubitski, Viachaslau"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2077"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,115,32,27,39,30,65,45,45,42,45,31,55,0,0,0,9,-12,-15,-114,-123,-137,-124,-144,-84,-79,-85,-122,-46,-44,0,-42,0,-41,-18,-21,-24,-25,-14,-13,-12,-30,0,0,0,-60,23,0,33,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,30,34,40,42,80,87,156,126,181,191,206,210,189,88,120,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. c4 a6 {A05: Réti Opening: 1 Nf3 Nf6.} 7. cxd5 exd5 8. e4 dxe4 {White is slightly better.} 9. dxe4 Qxd1 (9... Bxe4 $6 10. Qe2 $16) 10. Rxd1 Bc5 {[#]} 11. Bg5 $146 (11. Bf4 $14) ({Predecessor:} 11. Nc3 Ng4 12. Rd2 Nd7 13. h3 Nge5 14. Nxe5 Nxe5 15. Nd5 Bd6 16. b3 O-O-O 17. f4 {1-0 (62) Korley,K (2426)-Zherebukh,Y (2631) South Padre Island 2014}) 11... Nbd7 $1 $11 12. Nc3 h6 13. Bf4 O-O-O 14. b4 (14. Nd4 $11) 14... Bxb4 $17 15. Nd5 Nxd5 16. exd5 {[#]} g5 (16... Nf6 $142 $1 17. a3 Bd6 18. Bxd6 Rxd6) 17. Be3 Rhe8 18. h4 g4 ({Black should try} 18... gxh4 $17 19. a3 Bf8 20. Nxh4 Nf6) 19. Nd4 $15 h5 20. Bg5 Be7 (20... f6 $5 {[%cal Rf6g5]} 21. Bf4 Nc5 $15) 21. Bf4 Nb6 22. Nc6 Bxc6 23. dxc6 Bf6 24. Rxd8+ Rxd8 25. Re1 b4 26. f3 Nd5 27. Bg5 ({White should play} 27. Be5 $11) 27... Bxg5 (27... Bd4+ $15 28. Kh2 f6) 28. hxg5 {[%mdl 4096] Endgame KRB-KRN} Nc3 29. fxg4 hxg4 30. Re7 Kb8 (30... Nxa2 31. Rxf7 Nc3 32. g6 $16) 31. Rxf7 Rg8 ({But not} 31... Nxa2 $2 32. g6 $18) 32. Rf5 Ka7 33. Bf1 Kb6 34. Bc4 Rg7 35. Bf7 Ne2+ 36. Kf2 Nd4 37. Rf4 {[%csl LRd4,LRg4][%mdl 64] [#] Double Attack} Nxc6 38. g6 Ne5 (38... Kc5 $142) 39. Rf5 $16 ({Worse is} 39. Rxb4+ Kc5 $15) 39... Nxg6 (39... Nc6 $16) 40. Rf6+ $18 {[%mdl 64] Double Attack} Kc5 {Hoping for ...Ne5.} 41. Bxg6 {KRB-KR} a5 42. Be8 (42. Ke3 $18 {and White stays clearly on top.}) 42... Kd4 43. Ba4 ({Better is} 43. Rf4+ $16 Kc3 44. Rf5) 43... c5 $11 {The position is equal.} 44. Bb3 Rc7 45. Rf4+ Kc3 46. Rc4+ Kd3 47. a4 bxa3 48. Ra4 Kc3 49. Bd5 ({Don't go for} 49. Rxa3 $2 Kb4 $19) 49... Kb2 {Threatens to win with ...Rd7.} 50. Bc4 Kc3 51. Bd5 c4 52. Rxa3+ Kb4 53. Ra1 c3 {And now ...c2 would win.} 54. Rb1+ $1 Ka3 55. Ra1+ Kb4 {White must now prevent ...c2.} 56. Rb1+ $1 Ka3 57. Ra1+ Kb4 {aiming for ...c2.} 58. Rb1+ $1 {Weighted Error Value: White=0.19/Black=0.13} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "3.2"]
[White "Lazavik, Denis"]
[Black "Galkin, Gleb"]
[Result "1-0"]
[ECO "D76"]
[WhiteElo "2438"]
[BlackElo "2225"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,60,0,0,0,16,0,24,17,36,42,57,50,52,11,44,43,62,62,60,58,60,54,56,56,83,75,141,151,232,230,793,793,795,788,788,788,773,766,754,737,1035,1021,1110]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O 7. O-O Nb6 8. Nc3 Nc6 9. e3 Re8 10. h3 e5 11. d5 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} Na5 12. Qc2 $1 {[%mdl 4] is now more promising than 12.e4.} Bd7 13. Rd1 {[#] White has an edge.} Nac4 $146 ({Predecessor:} 13... Qc8 14. Kh2 c6 15. d6 Qb8 16. Ne4 Bf5 17. b3 c5 18. Ba3 Bxe4 19. Qxe4 f5 {1-0 (26) Badelka,O (2428)-Nikologorsky,M (2215) Moscow 2021}) 14. e4 Qc8 15. Kh2 c6 16. b3 {aiming for dxc6.} Nd6 {...cxd5 is the strong threat.} 17. Qd3 cxd5 18. Nxd5 Nxd5 19. Qxd5 Re6 20. Ng5 $1 $36 {[%cal Rg5e6][%mdl 2048] White has some pressure.} Rf6 21. Ba3 Bc6 22. Qd2 ({Of course not} 22. Qxe5 h6 $1 $15) 22... Bf8 {[#]} ({Black should play} 22... Ne8) 23. Bb2 $1 $16 {[%cal Rb2e5]} Bh6 (23... Qe8 $16) 24. Bxe5 $18 {[%mdl 64] Double Attack} Nxe4 (24... Bxg5 25. Qxg5 Rxf2 26. Rxd6 Qe8) 25. Nxe4 {White is clearly winning.} Bxd2 26. Nxf6+ Kg7 27. Rxd2 Bxg2 28. Kxg2 Qc6+ 29. Kh2 h6 30. Rad1 Qb5 {Weighted Error Value: White=0.04/Black=0.27} 1-0

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "3.3"]
[White "Siniauski, Artsiom"]
[Black "Silich, Yahor"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2277"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,97,29,16,18,9,15,19,21,14,20,25,25,20,29,26,22,-13,-2,-27,-20,-38,-20,-38,-16,-36,-27,-20,0,0,0,-54,0,0,19,17,26,25,77,93,95,95,89,95,93,84,104,107,109,100,106,91,91,77,77,75,86,40,103,63,72,60,52,28,34,11,12,12,13,0,9,4,5,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 $1 {[%mdl 4] is currently scoring better than 7...0-0. B31: Sicilian: 2...Nc6 3 Bb5 g6.} 8. Be3 b6 9. Qd2 h6 10. O-O e5 11. Nh2 Nf8 12. f4 exf4 13. Bxf4 g5 14. Be3 Ng6 {[#]} 15. Rab1 $146 ({Predecessor:} 15. a3 O-O 16. b4 cxb4 17. axb4 f5 18. exf5 Bxf5 19. Rae1 Qd6 20. Ne2 Rae8 21. Bf2 {0-1 (56) Vestby Ellingsen,M (2429)-Chatalbashev,B (2543) Helsingor 2018}) 15... O-O 16. g4 Be6 17. a4 Qc7 {Strongly threatening ...Qg3+.} 18. Qf2 Be5 19. Ne2 Rad8 20. Nf3 Bd6 21. Kg2 (21. a5 $11) 21... Rd7 (21... f6 $15) 22. Ng3 $11 Bxg3 23. Qxg3 Qxg3+ 24. Kxg3 f6 (24... c4 $1 $11 {remains equal.}) 25. a5 Ne5 26. Nxe5 fxe5 27. Rxf8+ Kxf8 $16 {[%mdl 4096] Endgame KRB-KRB} 28. b3 Kg7 29. Bd2 Bf7 30. Bc3 Re7 31. axb6 axb6 32. Ra1 b5 33. Ra6 Be8 34. h4 Kf6 ({Black should play} 34... gxh4+ $14 35. Kxh4 Kf6) 35. hxg5+ hxg5 36. Ra8 c4 37. bxc4 bxc4 38. d4 Bg6 {The position is equal.} 39. dxe5+ Ke6 40. Bb4 Rb7 41. c3 Bxe4 42. Bc5 Rf7 {With the idea ...Rf3+.} 43. Bd4 Rf3+ 44. Kh2 Rf4 45. Rd8 Bd5 46. Rd6+ Kf7 47. Kg3 Rf3+ 48. Kh2 Rf4 49. Rf6+ {Weighted Error Value: White=0.10/Black=0.08} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "3.4"]
[White "Tsaruk, Maksim"]
[Black "Runets, Ivan"]
[Result "1/2-1/2"]
[ECO "B91"]
[WhiteElo "2306"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,54,25,30,0,0,0,19,10,6,18,5,10,18,0,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,414,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg2 O-O 9. O-O b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. a4 {B91: Sicilian Najdorf: 6 g3.} b4 11. Nd5 Nxd5 12. Qxd5 Ra7 13. Be3 Be6 14. Qd3 Rb7 15. Rfc1 a5 16. f4 {[#]} Nd7 $146 {[%cal Bb8d7,Bd7f6,Bf6g4,Bg4f2][%mdl 32]} ({Predecessor:} 16... Qc7 17. c4 Na6 18. f5 Bc8 19. Rf1 Rd8 20. Qe2 Rb8 21. h4 Nc5 22. Nxc5 dxc5 23. b3 Rb6 24. Rad1 Rxd1 25. Rxd1 Bb7 26. Rd3 Rd6 {½-½ (26) Van den Doel,E (2565)-Feller,S (2619) Goch 2015}) 17. f5 Bxb3 18. cxb3 Bg5 19. Bxg5 Qxg5 20. Qxd6 Qe3+ {[%mdl 64] [#] Double Attack} 21. Kh1 Nf6 22. Qxe5 {Hoping for Qf4.} Ng4 $1 {[%cal Rg4f2] ( -> ...Nf2+)} 23. Qc5 $1 {[%cal Rc5e3]} (23. Qxa5 {leads to mate.} Nf2+ 24. Kg1 Nd1+ 25. Kh1 Qe1+ 26. Bf1 Qxf1#) 23... Nf2+ 24. Kg1 Nh3+ $1 {[%mdl 64] [#] Discovered Attack (Double check). The position is equal.} 25. Kh1 $1 Nf2+ 26. Kg1 Nh3+ $1 {[%mdl 64] Discovered Attack (Double check)} 27. Kh1 $1 Nf2+ {Weighted Error Value: White=0.05/Black=0.02} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "4.1"]
[White "Zarubitski, Viachaslau"]
[Black "Runets, Ivan"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2456"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,143,20,72,-5,33,37,47,33,97,69,86,67,90,83,135,102,110,111,136,135,133,139,139,127,144,91,91,91,91,62,101,86,77,79,80,84,95,91,98,67,78,71,73,75,65,68,83,91,115,115,160,154,167,167,167,167,167,167,167,167,175,167,173,170,218,185,222,200,233,0,222,0,233,189,233,200,239,191,239,190,239,204,214,0,235,238,235,190,231,223,227,227,227,222,232,229,226,226,212,219,250,156,169,163,182,156,214,197,245,243,243,240,267,263,333,321,348,348,348,348,348,350,282,277,29978,29979,29979,29980,29981,29982,29982,29983,29981,8]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e5 (6... e6 $11 {keeps the balance.}) 7. Nb3 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2.} (7. Bxf6 $16 gxf6 8. Nb3) 7... Be6 8. Qd2 Be7 9. O-O-O {White is slightly better.} a6 (9... O-O $14) 10. Kb1 Rc8 11. f3 Na5 12. Bxf6 gxf6 (12... Bxf6 $142 13. Qxd6 Qxd6 14. Rxd6 Nxb3) 13. Nd5 Nxb3 {[#]} 14. axb3 $146 ({Predecessor:} 14. cxb3 h5 15. Be2 f5 16. Nxe7 Kxe7 17. Qg5+ Kf8 18. Qd2 Ke7 19. Qg5+ Kf8 20. Qd2 Ke7 {½-½ (20) Fuentes,R (1805)-Johnsson,T (2170) Sundsvall 1999}) 14... Bf8 15. Be2 Bxd5 16. Qxd5 Qc7 17. c3 Qc6 18. Qxc6+ (18. Qd2 $142) 18... Rxc6 $16 19. b4 Ke7 20. Rd5 Bh6 21. b5 axb5 22. Rxb5 Rb8 23. Kc2 Be3 24. Kd3 Bc5 25. Ra1 Rb6 26. Kc4 Rc6 27. Kb3 Rc7 28. Bc4 Rg8 29. g3 Rb8 30. Bd5 Kd8 31. Kc2 {aiming for Kd2.} Be3 32. Kd3 Bh6 33. Rb6 Rd7 34. Ra7 Kc8 35. Ke2 $36 {[%mdl 2048] Black is under strong pressure.} Bf8 36. Rb3 Rc7 37. f4 h5 38. Kf3 Bh6 39. Rb6 Rd7 40. Rb3 Rc7 $1 41. Rb6 Rd7 $1 42. Ra4 Bg7 43. Rc4+ Kd8 44. Rcb4 Kc8 45. h4 Bh6 46. R4b5 Bf8 47. Rb4 Bh6 $1 48. R6b5 Bg7 49. Rb3 Rc7 50. Rb6 Rd7 51. c4 f5 52. exf5 exf4 53. Kxf4 Bh6+ 54. Kf3 Bg7 55. R6b5 Re7 56. c5 dxc5 57. Rxc5+ Kd8 58. Rcb5 Kc8 (58... Ke8 $16 {might work better.} 59. Rb6 (59. Bxb7 Kf8 $16) 59... Re1) 59. Be4 Be5 60. f6 Bxf6 61. Rxh5 Be5 62. Rb5 Bd6 63. Rh8+ Kc7 64. Rxb8 Kxb8 $18 {[%mdl 4096] Endgame KRB-KRB} 65. h5 Re5 66. Rxb7+ Kc8 67. g4 ({Resist} 67. Rxf7 $6 Rxh5 68. Bd3 Bc5 $16) 67... Rxe4 $2 {[#]} (67... f5 $18 68. gxf5 Rxf5+ 69. Bxf5+ Kxb7) 68. Kxe4 {White mates.} Kxb7 69. Kf5 Kc7 70. h6 Bf8 71. g5 Kd7 {[#]} 72. Ke4 $2 {[%mdl 32768] Weighted Error Value: White=0.29/Black=0.16. Sensor Board Error (Ke4/e5)?} (72. Kf6 $1 {mates} Bc5 73. Kxf7 Kd6 74. g6 Bd4 75. g7 Bxb2 76. g8=Q Kc5 77. h7) 1-0

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "4.2"]
[White "Silich, Yahor"]
[Black "Tsaruk, Maksim"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2325"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,31,18,14,18,26,19,20,13,23,20,22,12,11,14,16,22,16,19,25,0,0,0,20,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. a4 {C50: Hungarian Defence and Giuoco Pianissimo.} h6 7. Re1 d6 8. c3 Ba7 9. Nbd2 O-O 10. h3 Nh5 11. Nf1 Qf6 12. b4 {[#]} Qg6 $146 ({Predecessor:} 12... Be6 13. Bxe6 fxe6 14. Ra2 Nf4 15. Kh2 Rf7 16. b5 Ne7 17. Be3 Qg6 18. Ng3 Qf6 19. Ng1 Bb6 20. Bxb6 cxb6 21. bxa6 bxa6 22. Nf1 Nc6 {½-½ (34) Fajs,B (2548)-Lebedev,V (2484) ICCF email 2016}) 13. Nh4 $1 {[%cal Rh4g6]} Qf6 {[%mdl 64] [#] Double Attack} 14. Nf3 Qg6 15. Nh4 Qf6 {[%mdl 64] Double Attack} 16. Nf3 {A rather calm draw.  Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "4.3"]
[White "Galkin, Gleb"]
[Black "Siniauski, Artsiom"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2225"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,55,14,17,28,1,20,26,44,36,48,42,50,48,56,60,45,-1,48,43,36,41,48,39,33,41,56,51,71,75,126,67,71,-63,-78,-352,-350,-345,-326,-472,-472,-472,-464,-459,-441,-453]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Be7 6. Qc2 O-O 7. b3 b6 {D45: Semi-Slav: 5 e3.} 8. Bd3 Bb7 9. O-O c5 {White has an edge.} 10. cxd5 exd5 11. dxc5 bxc5 12. e4 d4 13. Na4 {[#]} Nfd7 $146 ({Predecessor:} 13... Na6 14. a3 h6 15. Bd2 Rc8 16. Nb2 Nc7 17. Ne5 Nd7 18. Nxd7 Qxd7 19. Nc4 Ne6 {1-0 (38) Nadirjanova,N (2118)-Franco Valencia,B (2172) Dresden 2008}) 14. Ba3 {[%cal Ra4c5]} Na6 (14... c4 $5 15. bxc4 (15. Bxe7 $2 cxd3 16. Bxd8 dxc2 $17) 15... Bxa3 $11) 15. Qe2 Nb4 16. Bxb4 cxb4 17. Ba6 Bxa6 18. Qxa6 Re8 19. Rad1 Bf6 20. Rfe1 Re6 (20... Qe7 $142) 21. Qb7 (21. Qe2 $16) 21... Ne5 $14 22. Nxd4 (22. Nxe5 $1 $16 Bxe5 23. Nc5) 22... Rd6 $15 {White must now prevent ...Ng6.} 23. Nb2 $2 {[%mdl 8192] [#] This move loses the game for White.} Rb8 $1 $19 {[%cal Rb8b7]} 24. Qxa7 {[#] Nf5 is the strong threat.} Rxd4 {[%mdl 576] Remove Defender} 25. Rxd4 {[#]} (25. Qc5 $142 Ng4 26. Qc2) 25... Nf3+ $1 {[%mdl 512] Black is clearly winning.} 26. gxf3 Bxd4 27. Qa6 Bxb2 28. f4 {Weighted Error Value: White=0.47/Black=0.09} 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "4.4"]
[White "Bialiauski, Artsiom"]
[Black "Lazavik, Denis"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2077"]
[BlackElo "2438"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,134,3,0,9,-14,3,0,2,2,2,2,2,4,2,2,0,12,9,6,8,4,6,5,8,0,17,0,0,0,0,0,0,0,0,0,0,-6,-6,-24,-16,-6,0,0,0,0,0,-56,-41,-136,-133,-153,-141,-95,-123,-104,-106,-139,-8,-8,-8,-8,-8,-156,-182,-262,-203,-162,-162,-162,-163,-178,-184,-373,-77,-381,-381,-381,-377,-650,-585,-12847,-12848,-29952,-29938,-29952,-29957,-29958,-29958,-29957,-29958,-29955,-29945,-29946,-29942,-29936,-29937,-6275,-5632,-29955,-29955,-29971,-29972,-29972,-29973,-29973,-29974,-29976,-29977,-29977,-29978,-29978,-29978,-29979,-29980,-29980,-29981,-29982,-29983]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 e6 5. O-O Nd7 6. cxd5 exd5 7. d3 Ngf6 8. h3 Bxf3 9. Bxf3 Bc5 10. Nc3 O-O {A11: English Opening: 1...c6.} 11. e4 (11. Qb3 {looks sharper.} Bd6 12. e3 Re8 13. Qc2 Nc5 14. Bg2) 11... Ne5 {[#]} 12. exd5 $146 ({Predecessor:} 12. Be2 dxe4 13. dxe4 Bd4 14. Qc2 Qe7 15. Kg2 Ned7 16. f3 Nc5 17. Bd2 Rad8 18. Rae1 {½-½ (34) Shengelia,D (2557)-Nayhebaver,M (2442) Austria 2017}) 12... Nxf3+ {The position is equal.} 13. Qxf3 Nxd5 14. Nxd5 Qxd5 15. Qxd5 cxd5 16. Be3 Bxe3 17. fxe3 $11 {[%mdl 4096] Endgame KRR-KRR} Rac8 18. Rac1 f6 19. Kf2 Kf7 20. Ke2 Ke6 21. Kd2 f5 22. Ke2 g6 23. Kd2 Ke5 24. Rfe1 g5 25. Rf1 b6 26. Rfe1 h5 27. d4+ Ke4 28. Rxc8 Rxc8 {KR-KR} 29. h4 $1 Kf3 30. hxg5 Rc6 31. Rh1 Kg4 32. Rh4+ (32. Ke2 $11) 32... Kxg5 $15 33. Rf4 (33. a3 $15) 33... b5 $1 $17 34. a3 a5 $1 35. Rh4 a4 36. Rh1 Rc4 37. Ke2 Rc2+ (37... Kg4 $1 $17 {...Rc2+ is the strong threat.} 38. Rh4+ Kg5) 38. Kf3 $1 $11 Rxb2 {Strongly threatening ...Rb3.} 39. Rc1 Kf6 {Threatens to win with ...Ra2.} (39... Rb3 $5 40. Rc5 $8 Rxa3 41. Rxb5 Kf6 $11) 40. Rc6+ (40. Rc5 $1 $11) 40... Ke7 $1 $17 41. Rc7+ (41. Rc5 $142) 41... Ke6 42. Rc6+ {[#]} Kd7 $1 {[%cal Rd7c6]} 43. Rc1 Kd6 44. Rc5 Rb1 45. Kf4 $2 (45. Ke2) 45... Rf1+ $19 46. Kg5 {Now White is beyond hope.} Rf3 $1 {[%csl LRe3,LRg3][%mdl 64] Double Attack} 47. Rxb5 Rxe3 48. Kxh5 $2 (48. Kf4 Rxa3 49. Ra5) 48... Rxa3 49. Ra5 Rxg3 50. Rxa4 Kc6 51. Ra5 Rg4 52. Rc5+ Kd6 53. Rc8 Rxd4 54. Kg5 f4 55. Kg4 Rc4 56. Rd8+ Kc5 57. Kf3 Ra4 58. Rd7 Kc4 {Black mates.} 59. Kxf4 Kd3+ 60. Kf3 {[#]} d4 $1 61. Rb7 Ra8 62. Rb3+ Kc2 63. Rb7 d3 64. Rc7+ Kd1 65. Rh7 d2 66. Rc7 Rf8+ 67. Kg2 Rf5 {Weighted Error Value: White=0.58/Black=0.12} 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "5.1"]
[White "Lazavik, Denis"]
[Black "Zarubitski, Viachaslau"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2438"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,79,15,6,12,0,0,0,4,0,0,0,0,-7,0,-30,0,0,17,25,23,31,10,20,22,45,45,32,35,33,37,37,50,67,56,55,60,48,52,34,104,102,128,151,244,184,199,184,184,180,239,199,1037,1034,787,1034,1021,1000,987,961,1073,935,29984,29973]} 1. d4 {Bulmaga/Rogozenco,D} d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Bd3 O-O 8. O-O b6 9. Nc3 Bb7 10. Qc2 Re8 {D45: Semi-Slav: 5 e3.} 11. e4 dxc4 12. Bxc4 b5 {[#] The position is equal.} 13. Be2 $146 {e5 is the strong threat.} ({Predecessor:} 13. Bd3 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. f3 a6 17. Rad1 Qc7 18. g3 c5 19. Ne2 {½-½ (44) Wagner,D (2575)-Deac,B (2455) Medias 2015 CBM 169 [Bulmaga/Rogozenco,D]}) 13... e5 $1 14. dxe5 Nxe5 15. Rad1 Qc7 16. g3 a6 17. Nh4 g6 18. Ng2 Rad8 19. f4 Neg4 {Hoping for ...Qb6+.} 20. Bf3 Bc5+ 21. Kh1 {And now Rxd8 would win.} Qb6 22. e5 {Threatens to win with Rxd8.} Nf2+ {[#]} 23. Rxf2 $1 Bxf2 24. exf6 Rxd1+ 25. Nxd1 Bd4 26. Bxd4 Qxd4 27. h4 Qxf6 28. Nf2 h5 (28... Qd4 $14) 29. Kh2 $16 Bc8 {[#]} 30. Ne4 $1 {[%cal Re4f6]} ({Resist} 30. Bxc6 $6 Bf5 $14) ({Inferior is} 30. Qxc6 Qxc6 31. Bxc6 Re2 $17) 30... Qe6 (30... Qd4 $16) 31. Qc3 {Strongly threatening Nf6+.} Rd8 32. Ne3 b4 33. Qxb4 {aiming for Qc3.} Rd3 (33... f5 $142) 34. Qc5 $18 f5 $2 {[#]} (34... Bd7 35. Bg2 f5) 35. Ng5 $1 {[%csl LRc6,LRe6][%cal Rg5e6]} ({Worse is} 35. Nf6+ Kg7 $11) 35... Qxe3 36. Qxc6 {[%mdl 64] Double Attack} Kg7 37. Qxc8 {Threatening mate with Qc7+.} Qe7 38. Bg2 a5 39. Qc4 Qd7 40. Ne6+ {Weighted Error Value: White=0.07/Black=0.42} 1-0

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "5.2"]
[White "Siniauski, Artsiom"]
[Black "Bialiauski, Artsiom"]
[Result "1/2-1/2"]
[ECO "C99"]
[WhiteElo "2277"]
[BlackElo "2077"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,113,31,36,32,37,52,55,68,27,34,13,30,0,0,0,17,-8,-4,-44,-20,-45,-56,-467,-467,-467,-462,-452,-447,-416,-197,-208,-204,-309,-309,-297,-298,-320,-313,-312,-312,-319,-327,-362,-362,-419,-425,-466,-464,-452,-351,-543,-543,-550,-550,-29970,-117,-118,-125,-127,-158,-30,-23,-23,-25,-26,0,0,0,-23,0,-335,0,0,0,-320,0,0,0,-310]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Be3 Nb4 16. Bb1 a4 17. Nbd2 Bd7 18. a3 Nc6 19. Bd3 Qb8 {C99: Closed Ruy Lopez: Chigorin Defence: 11 d4 Qc7 12 Nbd2 cxd4.} 20. Qe2 Rc8 21. Rac1 (21. Bxb5 Nxd4 22. Nxd4 exd4 $15) 21... b4 {White is slightly better.} 22. Nc4 (22. Rc4 $5 {[%cal Rd4d5]}) 22... exd4 23. Nxd4 {And now Nb6! would win.} Ne5 $1 {[#]} 24. Nf5 $146 ({Predecessor:} 24. Bb1 Bb5 25. Nxb5 Qxb5 26. Nxe5 Qxe2 27. Rxe2 dxe5 28. axb4 Rxc1+ 29. Bxc1 Bxb4 30. Rc2 Nxe4 31. Rc4 {½-½ (41) Mokry,K (2505)-Galdunts,S (2465) Yerevan 1996}) 24... Bxf5 25. exf5 {Nb6 is the strong threat.} Nxc4 26. Bxc4 d5 27. Ba6 Rxc1 28. Rxc1 bxa3 29. Rc8+ $2 {[%mdl 8192]} (29. bxa3 $15 Qb3 30. Qb5) 29... Qxc8 $19 30. Bxc8 a2 $1 {[%cal Ra2a1]} 31. Qd1 a3 $1 {[%cal Ra3b2]} (31... Rxc8 32. Qa1 $11 (32. Qxa4 d4 $17)) 32. Bd4 {[#] Strongly threatening Bb7.} Rxc8 (32... Bc5 $142 $1 {[%mdl 512] aiming for ...Bxd4.} 33. Be5 (33. Bxc5 $2 axb2 34. Bd4 b1=Q $19) 33... Bd6 $1 {[%mdl 576] Promotion}) 33. bxa3 {Hoping for Qd2.} Rb8 $1 {[%cal Rb8b1]} ({Not} 33... Bxa3 34. Qa4 $16) 34. Qe2 (34. Qc2 $142 Rb1+ 35. Kh2) 34... Rb1+ 35. Kh2 Bd6+ 36. g3 a1=Q 37. Bxa1 Rxa1 38. Qa6 Bf8 39. a4 Ra2 40. Kg1 Ne4 $1 41. Qa8 Nxf2 42. a5 Ne4 43. a6 (43. g4 {was called for.}) 43... g6 44. Kf1 Kg7 45. fxg6 hxg6 $2 (45... Rf2+ {mates} 46. Kg1 Bc5 47. Qxd5 Re2+ 48. Qxc5 {[%mdl 64] Remove Defender} Nxc5 49. a7 Ra2 50. Kf1 Kxg6 51. g4 Rxa7 52. Ke2 Ra2+ 53. Ke3 Ra3+ 54. Kd4 Ne6+ 55. Ke5 Rxh3 56. Kd5 Rd3+ 57. Kc4 Rg3 58. Kb4 Rxg4+ 59. Kc3 h5 60. Kd3 Rg3+ 61. Kd2 Nf4 62. Kc2 h4 63. Kd2 h3 64. Kc2 h2 65. Kd2 h1=Q 66. Kc2 Qh2+ 67. Kd1 Rg1#) 46. Qxd5 $17 Rf2+ ({Of course not} 46... Nxg3+ $6 47. Kg1 $11) 47. Kg1 {[#]} Bc5 $1 48. Qe5+ f6 49. Qc7+ Kh6 {White must now prevent ...Be3.} 50. Kh1 Rf1+ (50... Be3 {keeps more tension.} 51. a7 Ra2 52. Qb8 Rxa7 53. Qh8+ Rh7) 51. Kg2 $1 {[%cal Rg2f1]} Rf2+ 52. Kh1 f5 (52... Be3 {with more complications.} 53. a7 Ra2 54. Qb8 Rxa7 55. Qh8+ Rh7) 53. Qb8 $2 {[%mdl 8192] [#]} (53. Qe5 $1 $11 Rf1+ 54. Kh2 Rf2+ 55. Kh1) 53... Rf1+ $2 (53... Bd4 $1 $19 54. g4 Ra2 55. gxf5 gxf5 56. Qf8+ Bg7) 54. Kh2 $11 {Intending Qh8+ and mate.} Rf2+ $2 {[%mdl 8192]} (54... g5 $11 55. a7 Rf2+ 56. Kh1 {[#]} Bxa7 $1 57. Qxa7 Nxg3+ 58. Kg1 Ne4) 55. Kh1 $19 Rf1+ 56. Kh2 {Threatening mate with Qh8+.} Rf2+ 57. Kh1 {[%mdl 32768] Weighted Error Value: White=0.77/Black=0.49. An unexpected result.} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "5.3"]
[White "Tsaruk, Maksim"]
[Black "Galkin, Gleb"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2306"]
[BlackElo "2225"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,69,31,31,31,28,31,39,34,47,32,42,16,34,16,16,16,25,-13,5,0,71,0,0,0,97,115,114,17,15,19,18,-9,-6,-25,-23,-43,-43,-34,-22,-60,-58,-56,-32,-20,19,0,19,19,19,19,22,22]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Be3 {10.a4 is a critical line.} O-O ({But not} 10... Nxe4 $6 11. d5 $16) 11. d5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Ne7 {[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 12. Bxb6 cxb6 13. Nbd2 {White is slightly better.} Ng6 14. Nf1 Bc8 15. Bc2 Nf4 16. Ne3 Ng4 {[#]} 17. h3 $146 ({Predecessor:} 17. Bd3 Qf6 18. Bf1 Qg6 19. g3 Nxe3 20. Rxe3 Nh3+ 21. Bxh3 Bxh3 22. Nh4 Qg5 23. Qd2 {½-½ (42) Jakubowski,K (2353)-Mista,A (2354) Trzebinia 2000}) 17... Nh6 18. Kh2 Kh8 19. Nd2 g5 (19... g6 $11 {remains equal.}) 20. Ng4 (20. f3 $16) 20... Nxg4+ $11 21. hxg4 Qd7 (21... h5 $1 $11 {keeps the balance.}) 22. g3 $16 Ng6 {[#]} 23. a4 ({Better is} 23. Qf3 $1 $16) 23... Qxg4 $11 24. Qxg4 Bxg4 25. axb5 axb5 26. Bd3 Bd7 27. Nf1 Ne7 28. Ne3 Rfb8 29. Nc2 Ra5 30. Ra3 Rba8 31. Rb3 Nc8 {The position is equal.} 32. f3 Kg7 33. g4 Na7 34. Kg3 Kg6 35. Rh1 {Weighted Error Value: White=0.18/Black=0.16} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.20"]
[Round "5.4"]
[White "Runets, Ivan"]
[Black "Silich, Yahor"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2257"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,161,39,27,36,31,31,16,0,-20,-14,-15,-14,-16,0,-15,-12,-18,-18,-24,-19,-20,-20,-31,-24,-59,-2,-2,-7,-8,16,-54,-13,-13,-16,-16,-20,-26,18,0,-2,-5,-2,-2,-7,-8,-4,-2,0,-11,-8,-8,0,0,0,-28,-25,-25,-25,-25,0,0,0,-3,-3,-3,-3,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nbd7 7. e4 e5 8. a4 a5 9. Re1 c6 10. h3 Qc7 11. Be3 Re8 12. Qd2 b6 {B07: Pirc Defence: Miscellaneous Systems.} 13. Rad1 Bb7 {[#]} 14. dxe5 $146 ({Predecessor:} 14. Nh2 Rad8 15. f4 Nh5 16. Qf2 exd4 17. Bxd4 Bxd4 18. Qxd4 Ndf6 19. g4 c5 20. Qf2 {1-0 (28) Arsovic,Z (2374)-Sredojevic,I (2288) Paracin 2021}) 14... dxe5 15. Bh6 Nc5 16. Bxg7 Kxg7 17. Qd6 Rac8 18. Bf1 {[#]} Nd5 $1 19. Qxc7 Nxc7 20. Rd6 f6 21. Red1 Re6 22. R6d2 Re7 23. h4 N7e6 (23... b5 $15) 24. Bc4 $11 h5 25. Rd6 Kf8 26. R6d2 ({Better is} 26. Nd2 $11) 26... Ke8 (26... b5 $5 27. axb5 cxb5 28. Bxe6 Rxe6 29. Rd8+ Re8 30. Rxc8 Rxc8 31. Nxb5 Nxe4 $17) 27. Kf1 Rd8 28. Rxd8+ Nxd8 29. Rd6 Nde6 30. Ke2 Kf7 31. Ke3 Re8 32. b3 Ke7 33. Rd1 Rd8 34. Rxd8 Kxd8 35. Ne2 Ke7 36. Nd2 g5 37. Bxe6 Kxe6 {[%mdl 4096] Endgame KBN-KNN} 38. Nf3 g4 39. Nd2 Ba6 40. Nc3 b5 41. axb5 {The position is equal.} cxb5 42. b4 axb4 43. Nd5 Bb7 44. Nxb4 f5 45. exf5+ Kxf5 46. Nd3 Ne6 47. Nb3 Be4 48. Nb4 Bb7 49. c3 Be4 50. Na6 Bb7 51. Nb4 Be4 52. Nd2 Bh1 53. Nb1 Bb7 54. Na3 Nc7 55. Nd3 Be4 56. Nc5 Bc6 57. Nc2 Bg2 58. Kd3 {[#] Hoping for Ne3+.} Bc6 59. Ne3+ Kf6 60. Kc2 (60. Ne4+ {is more complex.} Ke6 61. Ng5+ Kf6 62. Ne4+) 60... Nd5 61. Nxd5+ (61. Kb3 {with more complications.} Nxe3 62. fxe3 Ke7 63. Kb4 Kd6 64. Nd3) 61... Bxd5 {KB-KN} 62. Kb2 Ke7 63. Ka3 Kd6 64. Kb4 Bc6 (64... Bc4 $5 65. Ne4+ $8 Kc6 $11) 65. c4 bxc4 66. Kxc4 Bd5+ (66... Bf3 {feels hotter.} 67. Nd3 Bg2 68. Kc3 Be4 69. Kd2 Bg6) 67. Kb4 Bf3 (67... e4 $5) 68. Nb3 Kd5 69. Kc3 $1 Bd1 70. Nc1 Ke4 {aiming for ...Kf3.} 71. Kd2 $1 {[%cal Rd2d1]} Ba4 {Threatens to win with ...Kf3.} 72. Ke1 Bb5 73. Nb3 Bc6 74. Nd2+ Kd3 75. Nf1 Bd5 76. Ne3 Be6 77. Kf1 Kd2 78. Kg1 Kd3 79. Kg2 Kd2 80. Kf1 e4 81. Ng2 {Weighted Error Value: White=0.06/Black=0.06} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.21"]
[Round "6.1"]
[White "Zarubitski, Viachaslau"]
[Black "Silich, Yahor"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2456"]
[BlackElo "2325"]
[Annotator "ChessBase"]
[PlyCount "49"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:02:26]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:08]} d6 {[%emt 0:00:03]} 5. Be2 {[%emt 0:00:09]} O-O {[%emt 0:00:07]} 6. h4 {[%emt 0:00:04]} Nc6 {[%emt 0:28:33]} 7. d5 {[%emt 0:01:38]} Ne5 {[%emt 0:00:10]} 8. h5 {[%emt 0:01:26]} e6 {[%emt 0:00:58]} 9. f4 {[%emt 0:22:23]} Ned7 {[%emt 0:00:52]} 10. dxe6 {[%emt 0:00:45]} fxe6 {[%emt 0:00:06]} 11. hxg6 {[%emt 0:00:08]} hxg6 {[%emt 0:00:09]} 12. Qd3 {[%emt 0:07:53]} e5 {[%emt 0:26:59]} 13. f5 {[%emt 0:10:20]} Nc5 {[%emt 0:01:11]} 14. Qh3 {[%emt 0:00:09]} Ncxe4 {[%emt 0:09:56]} 15. Nxe4 {[%emt 0:00:37]} Bxf5 {[%emt 0:00:06]} 16. Nxf6+ {[%emt 0:00:08]} Qxf6 {[%emt 0:00:02]} 17. g4 {[%emt 0:15:57]} Be4 {[%emt 0:02:25]} 18. Rh2 {[%emt 0:00:12]} g5 {[%emt 0:02:46]} 19. Nf3 {[%emt 0:11:12]} Bg6 {[%emt 0:00:03]} 20. Bxg5 {[%emt 0:04:33]} Qf7 {[%emt 0:01:51]} 21. Bh6 {[%emt 0:01:57]} e4 {[%emt 0:00:21]} 22. Ng5 {[%emt 0:00:11]} Qf6 {[%emt 0:00:10]} 23. Bxg7 {[%emt 0:00:32]} Qxg7 {[%emt 0:00:11]} 24. O-O-O {[%emt 0:01:29]} Rae8 {[%emt 0:00:06]} 25. c5 {[%emt 0:04:45]} 1-0

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.21"]
[Round "6.2"]
[White "Galkin, Gleb"]
[Black "Runets, Ivan"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2225"]
[BlackElo "2257"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:02:29]} Nf6 {[%emt 0:00:31]} 2. c4 {[%emt 0:00:04]} e6 {[%emt 0:00:03]} 3. Nf3 {[%emt 0:00:05]} d5 {[%emt 0:00:05]} 4. Nc3 {[%emt 0:00:05]} Be7 {[%emt 0:00:39]} 5. g3 {[%emt 0:00:28]} O-O {[%emt 0:01:33]} 6. Bg2 {[%emt 0:00:51]} dxc4 {[%emt 0:04:00]} 7. Ne5 {[%emt 0:00:16]} Nc6 {[%emt 0:03:42]} 8. Bxc6 {[%emt 0:00:09]} bxc6 {[%emt 0:00:04]} 9. Nxc6 {[%emt 0:00:03]} Qe8 {[%emt 0:00:12]} 10. Nxe7+ {[%emt 0:00:04]} Qxe7 {[%emt 0:00:06]} 11. Qa4 {[%emt 0:00:14]} e5 {[%emt 0:13:09]} 12. dxe5 {[%emt 0:01:21]} Qxe5 {[%emt 0:03:12]} 13. Qxc4 {[%emt 0:01:10]} Bh3 {[%emt 0:04:58]} 14. Bf4 {[%emt 0:07:46]} Qh5 {[%emt 0:06:13]} 15. O-O-O {[%emt 0:07:28]} Be6 {[%emt 0:00:06]} 16. Qc6 {[%emt 0:05:37]} Rab8 {[%emt 0:15:52]} 17. Be3 {[%emt 0:07:10]} Qa5 {[%emt 0:08:00]} 18. Rd4 {[%emt 0:16:52]} Rb6 {[%emt 0:13:41]} 19. Qa4 {[%emt 0:04:16]} Qa6 {[%emt 0:00:39]} 20. Rhd1 {[%emt 0:03:36]} Qc8 {[%emt 0:02:52]} 21. Qxa7 {[%emt 0:05:24]} Rb8 {[%emt 0:07:22]} 22. Bf4 {[%emt 0:07:26]} Rb7 {[%emt 0:02:46]} 23. Qa6 {[%emt 0:01:32]} Rb8 {[%emt 0:05:01]} 24. Qxc8 {[%emt 0:00:18]} Rbxc8 {[%emt 0:00:08]} 25. f3 {[%emt 0:03:01]} c6 {[%emt 0:02:25]} 26. e4 {[%emt 0:01:17]} Ra8 {[%emt 0:00:01]} 27. b3 {[%emt 0:01:03]} Rfc8 {[%emt 0:03:14]} 28. Na4 {[%emt 0:02:07]} c5 {[%emt 0:02:24]} 29. R4d2 {[%emt 0:00:46]} c4 {[%emt 0:00:54]} 30. Nb6 {[%emt 0:00:29]} cxb3+ {[%emt 0:00:26]} 31. Nxc8 {[%emt 0:00:06]} g5 {[%emt 0:00:38]} 32. Ne7+ {[%emt 0:01:33]} 1-0

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.21"]
[Round "6.3"]
[White "Bialiauski, Artsiom"]
[Black "Tsaruk, Maksim"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2077"]
[BlackElo "2306"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:39]} 2. g3 {[%emt 0:00:03]} Nc6 {[%emt 0:01:57]} 3. d4 {[%emt 0:04:16]} d5 {[%emt 0:00:09]} 4. Bg2 {[%emt 0:01:54]} Bf5 {[%emt 0:00:04]} 5. O-O {[%emt 0:08:33]} e6 {[%emt 0:00:04]} 6. c4 {[%emt 0:02:50]} Be7 {[%emt 0:00:05]} 7. Nc3 {[%emt 0:02:49]} dxc4 {[%emt 0:00:51]} 8. Ne5 {[%emt 0:03:29]} O-O {[%emt 0:06:17]} 9. Nxc6 {[%emt 0:10:23]} bxc6 {[%emt 0:00:07]} 10. Qa4 {[%emt 0:00:16]} Qxd4 {[%emt 0:05:20]} 11. Be3 {[%emt 0:07:21]} Qd6 {[%emt 0:17:25]} 12. Qxc6 {[%emt 0:12:43]} Rab8 {[%emt 0:12:29]} 13. Qxc4 {[%emt 0:10:10]} Rxb2 {[%emt 0:00:30]} 14. Rfd1 {[%emt 0:09:37]} Rb4 {[%emt 0:04:17]} 15. Rxd6 {[%emt 0:00:16]} Rxc4 {[%emt 0:00:06]} 16. Rc6 {[%emt 0:00:05]} Rxc6 {[%emt 0:00:13]} 17. Bxc6 {[%emt 0:00:03]} a6 {[%emt 0:02:39]} 18. f3 {[%emt 0:05:37]} e5 {[%emt 0:12:00]} 19. Nd5 {[%emt 0:06:27]} Nxd5 {[%emt 0:01:30]} 20. Bxd5 {[%emt 0:00:18]} Rb8 {[%emt 0:07:36]} 21. a4 {[%emt 0:04:25]} Rb1+ {[%emt 0:06:41]} 22. Rxb1 {[%emt 0:00:10]} Bxb1 {[%emt 0:00:04]} 23. Bd2 {[%emt 0:04:12]} Bc2 {[%emt 0:03:45]} 24. a5 {[%emt 0:00:40]} Ba4 {[%emt 0:00:11]} 25. Bc3 {[%emt 0:00:11]} c6 {[%emt 0:03:45]} 26. Bc4 {[%emt 0:02:14]} Bb5 {[%emt 0:00:17]} 27. Bxb5 {[%emt 0:00:04]} cxb5 {[%emt 0:00:04]} 28. Bxe5 {[%emt 0:00:06]} Bb4 {[%emt 0:00:13]} 29. Bc7 {[%emt 0:00:26]} Bd2 {[%emt 0:00:07]} 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.21"]
[Round "6.4"]
[White "Lazavik, Denis"]
[Black "Siniauski, Artsiom"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2438"]
[BlackElo "2277"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[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. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:35]} 3. g3 {[%emt 0:00:53]} b6 {[%emt 0:02:08]} 4. Bg2 {[%emt 0:01:02]} Bb7 {[%emt 0:00:17]} 5. O-O {[%emt 0:00:57]} c5 {[%emt 0:00:46]} 6. Nc3 {[%emt 0:05:18]} Be7 {[%emt 0:02:09]} 7. Re1 {[%emt 0:07:51]} d5 {[%emt 0:13:59]} 8. cxd5 {[%emt 0:04:40]} Nxd5 {[%emt 0:00:29]} 9. Nxd5 {[%emt 0:22:35]} Qxd5 {[%emt 0:01:33]} 10. d4 {[%emt 0:04:58]} cxd4 {[%emt 0:04:46]} 11. Qxd4 {[%emt 0:00:34]} Qxd4 {[%emt 0:05:03]} 12. Nxd4 {[%emt 0:00:09]} Bxg2 {[%emt 0:00:08]} 13. Kxg2 {[%emt 0:00:08]} Nd7 {[%emt 0:00:45]} 14. Be3 {[%emt 0:03:42]} Bc5 {[%emt 0:08:57]} 15. Red1 {[%emt 0:08:57]} e5 {[%emt 0:15:26]} 16. Nf5 {[%emt 0:13:09]} g6 {[%emt 0:00:56]} 17. Bxc5 {[%emt 0:01:52]} Nxc5 {[%emt 0:00:15]} 18. Ne3 {[%emt 0:00:29]} Rd8 {[%emt 0:01:32]} 19. b4 {[%emt 0:05:19]} Ne6 {[%emt 0:17:30]} 20. Ng4 {[%emt 0:01:25]} Rd4 {[%emt 0:00:35]} 21. Nxe5 {[%emt 0:01:14]} Rxb4 {[%emt 0:00:12]} 22. a4 {[%emt 0:03:28]} Re4 {[%emt 0:02:10]} 23. Nc6 {[%emt 0:00:38]} Rxe2 {[%emt 0:00:38]} 24. a5 {[%emt 0:01:04]} bxa5 {[%emt 0:00:54]} 25. Rxa5 {[%emt 0:00:14]} O-O {[%emt 0:00:36]} 26. Rxa7 {[%emt 0:00:14]} Rc2 {[%emt 0:00:24]} 27. Nd4 {[%emt 0:00:18]} Nxd4 {[%emt 0:00:11]} 28. Rxd4 {[%emt 0:00:06]} Kg7 {[%emt 0:00:22]} 29. h4 {[%emt 0:00:10]} h5 {[%emt 0:00:10]} 30. Rf4 {[%emt 0:00:07]} Rc6 {[%emt 0:00:06]} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.22"]
[Round "7.1"]
[White "Siniauski, Artsiom"]
[Black "Zarubitski, Viachaslau"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2277"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,80,13,15,11,52,7,8,-12,-5,-12,-12,-9,-8,-20,-7,-10,-8,-12,-16,-16,-15,-35,-16,-32,0,-23,0,-98,-87,-133,-112,-109,-111,-290,-299,-296,-239,-762,-749,-939,-917,-1360,-1354,-1353,-1302,-1335,-1308,-1234,-1213,-6391,-6391,-2694,-2678,-29984,-29985,-29987,-29988,-29988,-29989,-29992,-29985,-29979,-29980,-29980,-5800]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} f6 11. exf6 {11.e6 is the hot move.} exf6 12. Nc3 {The position is equal.} Bg4 13. h3 Bxf3 14. Qxf3 Nf5 15. Qd3 Qb6 16. Rd1 Rfe8 17. b3 Bf8 {[#]} 18. Bf4 $146 ({Predecessor:} 18. Bb2 Bd6 19. Na4 Qb7 20. Rac1 Rac8 21. Re1 Bb8 22. Nc5 Qg7 23. Qd2 Qc7 24. g3 Nxg3 25. fxg3 Qxg3+ {0-1 (56) Semenova,E (2260)-Naiditsch,Y (2393) St Petersburg 2018}) 18... Ba3 19. Rab1 {White wants to play b4!} a5 20. g4 Nd6 21. Na4 Qb4 22. f3 {[#]} (22. Kg2 $11 {remains equal.}) 22... Nb5 $1 $17 23. Bg3 Ra7 24. Bf2 Rae7 25. Rd2 $2 {Now White is beyond hope.} (25. Kg2 $17) 25... Qd6 $19 26. Rc2 Qf4 {...Bd6 is the strong threat.} 27. Nc5 $2 {[#]} (27. Rxc6 Bd6 28. Rxd6 Nxd6 29. Kg2) 27... Re3 $1 {[%mdl 512]} 28. Bxe3 (28. Qd1 Nxd4) 28... Rxe3 {[%mdl 64] Double Attack} 29. Qd1 Nxd4 {[%mdl 64] Double Attack} 30. Nd3 Nxf3+ 31. Kh1 Qg3 32. Qf1 {[#]} Rxd3 $1 {[%mdl 512]} 33. Qg2 (33. b4 Nd2) 33... Qh4 {( -> ...Ne1)} 34. Qf1 Re3 35. Rxc6 Ng5 {Black mates.} 36. Rc8+ Kg7 37. Rc7+ Kh6 38. Qf4 Qxh3+ 39. Qh2 Qxh2+ 40. Kxh2 Bd6+ {Weighted Error Value: White=0.86/Black=0.05} (40... Re2+ $142 41. Kg1 Rxa2 42. Kf1 Ne4 43. Kg1 Bd6 44. Rbc1 Bh2+ 45. Kf1 Bxc7 46. Rxc7 d4 47. Rd7 Nd2+ 48. Kg2 Nxb3+ 49. Kf3 a4 50. Kf4 a3 51. Rf7 Rb2 52. Ke4 a2 53. Ra7 Kg5 54. Kd5 d3 55. Rb7 a1=Q 56. Rb5 Qa4 57. Rb6 Qd7+ 58. Kc4 Qd4+ 59. Kb5 Qd5+ 60. Kb4 Qc5+ {[%mdl 64] Double Attack} 61. Ka4 Qa5#) 0-1

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.22"]
[Round "7.2"]
[White "Tsaruk, Maksim"]
[Black "Lazavik, Denis"]
[Result "1/2-1/2"]
[ECO "C93"]
[WhiteElo "2306"]
[BlackElo "2438"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,93,25,31,32,43,38,44,44,26,29,25,24,17,23,27,31,31,28,27,18,33,30,25,18,18,0,0,0,26,8,8,8,10,0,0,0,0,0,0,0,0,0,0,0,11,11,28,12,17,12,12,12,19,19,19,19,19,8,8,8,8,15,17,0,8,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 13. Nbd2 Bf8 14. a3 {14.Bc2 is the recent fashion.} h6 15. Bc2 d5 16. dxe5 {C93: Closed Ruy Lopez: Smyslov Variation.} Nxe5 17. Nxe5 Rxe5 18. Nf3 {White is slightly better.} Re8 {[%cal Rf6e4]} 19. e5 Ne4 20. Bf4 c5 21. a4 f5 {[#]} 22. axb5 $146 ({Predecessor:} 22. Nd2 Qh4 23. Nxe4 dxe4 24. Qd7 Qxf4 25. Qxb7 Rad8 26. Re2 Qxe5 27. axb5 axb5 28. Qxb5 Kh8 29. Qc4 Rb8 30. Ba4 {½-½ (37) Tari,A (2599)-Vidit,S (2718) Wijk aan Zee 2018}) 22... axb5 23. Rxa8 Bxa8 24. Nd2 Qh4 25. Be3 Bc6 26. f3 f4 27. fxe4 fxe3 28. Rxe3 {[#] aiming for exd5.} Qg5 29. Re1 Qxe5 30. Nf3 Qg3 {[%cal Rd5e4]} 31. exd5 Rxe1+ 32. Nxe1 Qe3+ 33. Kh1 Bd7 34. Nf3 Bd6 35. Qd2 (35. Qf1 {seems wilder.} Qf4 36. Qe1 Bxh3 37. Qe8+ Bf8 38. Bg6) 35... Qxd2 36. Nxd2 $11 {[%mdl 4096] Endgame KBB-KBN} Kf7 37. Ne4 Bf8 38. g4 c4 {The position is equal.} 39. b3 cxb3 40. Bxb3 Ke7 41. Kg2 g5 42. Kf3 Bg7 43. Ke3 Be8 44. c4 bxc4 45. Bxc4 Be5 46. Nc5 Kf6 47. Ne4+ {Weighted Error Value: White=0.04/Black=0.02} 1/2-1/2

[Event "BLR-ch U20 Boys 2021"]
[Site "Minsk"]
[Date "2021.04.22"]
[Round "7.4"]
[White "Silich, Yahor"]
[Black "Galkin, Gleb"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2325"]
[BlackElo "2225"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.04.20"]
[EventType "tourn"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,14,22,11,29,23,20,15,29,20,18,18,39,15,20,20,22,33,33,35,91,33,52,42,35,33,26,22,29,22,26,30,61,5,40,35,43,22,34,23,24,20,25,25,18,18,83,87,68,22,22,20,27,23,37,18,20,18,18,22,18,18,27,4,4,2,8,8,8,8,8,4,4,4,4,4,4,4,3]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. Re1 h6 9. Nbd2 g5 10. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Nh5 11. Nb3 {Black must now prevent b5.} Qf6 12. b5 {[#]} Ne7 $146 ({Predecessor:} 12... g4 13. bxc6 gxf3 14. d4 bxc6 15. Be3 Bg4 16. dxe5 dxe5 17. Bxa7 Nf4 18. g3 Nh3+ 19. Kh1 Rxa7 20. Ra2 h5 21. Nd4 h4 22. gxh4 exd4 {0-1 (22) Silich,Y (2131)-Moroni,L (2553) St Petersburg 2019}) 13. d4 {And now Nxe5 would win.} g4 14. Nfd2 Nf4 15. Nf1 Neg6 (15... h5 $14) 16. Ra2 (16. Ne3 $16) 16... h5 $14 17. Ne3 O-O 18. bxa6 bxa6 19. Nd5 Nxd5 20. Bxd5 Rb8 21. Be3 {[#] aiming for dxe5.} exd4 22. Nxd4 ({Much weaker is} 22. Bxd4 Bxd4 23. cxd4 Nf4 $11) (22. cxd4 $14 Ne7 23. Bc4) 22... Bb7 23. Bxb7 Rxb7 24. Qe2 (24. a5 {with more complications.} Bc5 25. Qd2 Ne5 26. Qe2 Rfb8 27. Kh1) 24... Bxd4 25. Bxd4 Qe6 26. Qxa6 Rfb8 27. Raa1 {Ba7 is the strong threat.} c5 $1 {[%cal Rc5d4]} 28. Be3 Ne5 {[#]} (28... Qxe4 $11 29. a5 Rb1) 29. Bf4 $1 $16 Nc4 30. Qc6 Rb6 31. Qd5 Qxd5 32. exd5 Ra8 33. h3 {White wants to play hxg4.} Rba6 $1 34. hxg4 hxg4 35. Kh2 Rxa4 36. Rxa4 Rxa4 $11 {[%mdl 4096] Endgame KRB-KRN} 37. Re4 {Hoping for Bxd6!} f5 {The position is equal.} 38. Re6 Ra2 (38... Ra3 {looks sharper.} 39. Bxd6 Rxc3 40. Bxc5 Rd3 41. Re7 Rxd5 42. Bb4 Rd3) 39. Bxd6 Nxd6 40. Rxd6 Rxf2 {KR-KR} 41. Rc6 Rd2 42. c4 f4 43. Rg6+ ({Avoid the trap} 43. Rxc5 $2 f3 $19) 43... Kf7 44. Rxg4 Rd4 {Weighted Error Value: White=0.09/Black=0.09} 1/2-1/2

