[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.1"]
[White "Martirosyan, Haik M."]
[Black "Kamer, Kayra"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2620"]
[BlackElo "2339"]
[Annotator "ChessBase"]
[PlyCount "50"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:30:30]} Nf6 {[%emt 1:30:30]} 2. Bg5 {[%emt 0:00:30]} g6 {[%emt 0:00:00]} 3. Bxf6 {[%emt 0:00:00]} exf6 {[%emt 0:01:00]} 4. e3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:01:30]} c5 {[%emt 0:01:00]} 6. dxc5 {[%emt 0:00:00]} Bxc5 {[%emt 0:00:30]} 7. Nbd2 {[%emt 0:01:00]} Nc6 {[%emt 0:00:00]} 8. c3 {[%emt 0:00:30]} O-O {[%emt 0:01:00]} 9. Nb3 {[%emt 0:00:30]} Bb6 {[%emt 0:00:30]} 10. g3 {[%emt 0:00:30]} Bf5 {[%emt 0:00:30]} 11. Bg2 {[%emt 0:00:00]} Be4 {[%emt 0:00:00]} 12. O-O {[%emt 0:01:00]} Qe7 {[%emt 0:01:00]} 13. Qe2 {[%emt 0:00:30]} Rfe8 {[%emt 0:00:30]} 14. Rfd1 {[%emt 0:00:30]} Rad8 {[%emt 0:00:30]} 15. Nfd4 {[%emt 0:00:30]} Bxg2 {[%emt 0:00:30]} 16. Nxc6 {[%emt 0:00:30]} bxc6 {[%emt 0:00:00]} 17. Kxg2 {[%emt 0:00:00]} Qe4+ 18. Qf3 {[%emt 0:01:00]} f5 {[%emt 0:00:00]} 19. Qxe4 fxe4 {[%emt 0:02:00]} 20. Rd2 {[%emt 0:01:00]} Kf8 {[%emt 0:00:30]} 21. Rc1 {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 22. c4 {[%emt 0:00:30]} Ke6 {[%emt 0:00:30]} 23. Rdc2 {[%emt 0:00:30]} Re7 {[%emt 0:00:30]} 24. Kf1 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 25. Ke2 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 1-0

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.2"]
[White "Potpara, Nikola"]
[Black "Sargsyan, Shant"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2370"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,-9,16,16,10,15,16,0,14,20,22,17,37,0,14,8,8,8,8,11,9,12,11,9,12,-10,0,0,2,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,47,47,55,4,135,-15,-8,-41,0,-75,-75,-199,-190,-190,-190,-190,-189,-189,-179,-189,-181,-426,-426,-404,-361,-717,-697,-739,-708,-2018,-1773,-29978,-29979,-29977,-29977]} 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 cxd4 6. exd4 {D00: 1 d4 d5: Unusual lines.} Bf5 7. Ngf3 e6 8. Nh4 {The position is equal.} Be4 9. Nxe4 dxe4 10. g3 {[#]} Nd5 $146 ({Predecessor:} 10... Bd6 11. Be3 O-O 12. Be2 Nd5 13. Qd2 f5 14. Ng2 Qc7 15. O-O Na5 16. Kh1 Nc4 17. Bxc4 Qxc4 {½-½ (57) Lizak,P (2468)-Mons,L (2554) Austria 2018}) 11. Be3 Be7 12. Ng2 O-O 13. Be2 e5 14. O-O exd4 15. Bxd4 Nxd4 16. Qxd4 Nf6 $1 17. Qe5 Bd6 18. Qb5 Qe7 19. a4 Rac8 20. Rad1 Bc5 21. Ne3 a6 22. Qb3 Rfd8 23. Rxd8+ Rxd8 24. Rd1 Rxd1+ 25. Qxd1 g6 26. Kg2 Ba7 27. Qd2 h5 28. h4 Kg7 29. Nc4 Qe6 30. Qg5 Nd7 31. a5 f6 32. Qd2 Qf5 33. f3 ({Better is} 33. Bd1 $14) 33... Nc5 {[#]} (33... Ne5 $11 34. Nxe5 Qxe5) 34. Qf4 (34. b4 $1 $16 {[%cal Rb4c5]}) 34... Qxf4 $11 35. gxf4 {[%mdl 4096] Endgame KBN-KBN} Ne6 36. Kg3 (36. f5 $1 $11 {keeps the balance.} Nf4+ 37. Kf1) 36... e3 $17 37. f5 {This costs White the game.} (37. Bf1 $17 {keeps fighting.}) 37... Bb8+ $19 (37... gxf5 38. f4 $11) 38. Kg2 Nf4+ {[%mdl 64] Double Attack} ({Weaker is} 38... gxf5 39. Nxe3 Nf4+ 40. Kf1 $11) 39. Kf1 g5 ({Worse is} 39... gxf5 40. Nxe3 Bc7 41. Bc4 $11) 40. hxg5 fxg5 41. Nxe3 Ba7 42. Ng2 (42. Nc4) 42... Nxe2 43. Kxe2 {KB-KN} Kf6 44. f4 $2 (44. Ne1 Kxf5 45. Nd3) 44... g4 45. Nh4 Bg1 46. Kd3 Bf2 47. Ng2 h4 48. Ke2 {[#]} h3 $1 {Weighted Error Value: White=0.59/Black=0.11} 0-1

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.3"]
[White "Lajthajm, Borko"]
[Black "Sturt, Raven"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2359"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,128,3,2,0,0,0,7,-4,0,0,7,8,8,0,14,9,8,4,27,18,12,8,20,5,18,0,0,0,0,0,39,-4,-6,-4,-6,-6,-8,-8,-7,-7,-5,-5,0,0,0,0,5,-62,-41,-59,-52,-125,-127,-137,-142,-246,-246,-233,-243,-247,-242,-252,-225,-225,-185,-185,-185,-279,-262,-385,-332,-356,-337,-435,-348,-402,-383,-370,-358,-511,-520,-510,-484,-601,-552,-687,-666,-724,-695,-649,-632,-1252,-1260,-1130,-931,-1260,-1250,-29973,-29974,-29976,-29977,-29975,-29977,-29966,-29978,-29969,-29970,-29964,-12804,-29978,-29979,-29984,-29985,-29984,-29981,-29986,-29987,-29993,-29994,-29994,-29995]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Bb5+ Bd7 6. Bxd7+ {B22: Sicilian: 2 c3.} Qxd7 7. O-O Nc6 8. exd6 {The position is equal.} Qxd6 9. d4 cxd4 10. Nxd4 {Black must now prevent Nb5.} e6 {[#]} 11. Na3 $146 {[%cal Bb1a3,Ba3c4,Bc4e5][%mdl 32]} ({Predecessor:} 11. Nb5 Qb8 12. c4 Nf6 13. Bg5 Be7 14. Nd2 a6 15. Nc3 O-O 16. Nde4 Nxe4 17. Nxe4 Bxg5 18. Nxg5 {0-1 (32) Walter,M (1946)-Schoeller,W (1999) Germany 2012}) 11... Be7 12. Nc4 Qc5 13. Nxc6 bxc6 (13... Qxc6 {seems wilder.} 14. Ne5 Qa6 15. c4 Nf6 16. b3 O-O) 14. Qe2 O-O 15. a4 Rab8 16. Ne5 {Hoping for Nd7.} Rfd8 17. Re1 Rb7 18. Qa6 Rc7 19. Qe2 Qb6 20. Qf3 f6 21. Nc4 Qa6 {[%cal Ra6c4]} 22. Qg4 e5 23. Ne3 Qc8 24. Qxc8 Rcxc8 25. Nc4 Rb8 26. Kf1 Kf7 27. g3 Nb6 28. Nd2 (28. Nxb6 $11 axb6 29. f4) 28... a5 $15 29. Ke2 f5 30. Kd1 {White is now going downhill.} (30. Ra2 $15) 30... Nc4 $1 $17 {[%cal Rc4d2]} 31. Ra2 Bg5 32. Re2 {[#]} (32. b4 $17 {is the only way for White.}) 32... Bxd2 $1 $19 {[%mdl 64] Overworked Piece} 33. Bxd2 Nxb2+ 34. Kc2 Nc4 35. Be3 Rd5 36. f3 h6 37. h4 Kf6 38. Bf2 (38. Bc1 $142) 38... c5 39. Be1 (39. Be3 {was called for.}) 39... g5 40. hxg5+ hxg5 41. Bf2 Rbd8 42. Be1 Rd3 {And now ...Ne3+ would win.} 43. Kb3 Ne3 {( -> ...Rb8+)} 44. Rad2 (44. Rab2 $142) 44... c4+ 45. Ka2 Nd1 {[%mdl 64] [#] Discovered Attack} 46. Rxd3 Rxd3 {[%mdl 4096] Endgame KRB-KRN} 47. Rh2 Rxf3 48. Rh6+ Kg7 49. Rd6 Nxc3+ 50. Bxc3 Rxc3 {KR-KR} 51. Rd5 Kf6 52. Rxa5 f4 53. g4 f3 54. Ra8 Ke7 55. Ra7+ Ke6 56. Ra6+ Kd5 57. Rf6 Rb3 58. a5 Ke4 59. Rc6 Kd3 {Black mates.} 60. Rd6+ Ke2 61. a6 Rb5 62. Re6 f2 63. a7 Ra5+ {[%mdl 64] Double Attack} 64. Kb2 f1=Q {Weighted Error Value: White=0.54/Black=0.11} 0-1

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.4"]
[White "Kazakouski, Valery"]
[Black "Pasti, Aron"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2476"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,53,0,0,0,0,0,0,0,0,0,-6,4,8,7,0,0,0,141,91,391,383,386,383,427,418,430,430,420,424,417,429,424,421,406,412,461,454,465,524,515,501]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. O-O Rb8 7. Nc3 {7.e3 is more fashionable.} b5 8. Ne5 Nxe5 {E04: Open Catalan: 5 Nf3.} (8... Nxd4 $2 9. e3 $18) 9. dxe5 Nd7 10. Qc2 Bb7 {The position is equal.} 11. Bxb7 Rxb7 12. Rd1 Qc8 13. Ne4 Be7 {[#]} 14. Bg5 $146 ({Predecessor:} 14. a4 Nxe5 15. axb5 O-O 16. Bf4 Ng6 17. Qxc4 Nxf4 18. gxf4 Rd8 19. Rxd8+ Qxd8 20. e3 {½-½ (32) Ponkratov,P (2651)-Bu,X (2722) Harbin 2019}) 14... Bxg5 15. Nxg5 Qd8 ({Much worse is} 15... Nxe5 $6 16. Qe4 $16) (15... Rb8 $11 {keeps the balance.}) 16. h4 ({Much less strong is} 16. Nxh7 $6 Qe7 $14) 16... Qe7 $2 {[%mdl 8192] Black cannot hold the game after this.} (16... Qc8 $16 {keeps fighting.}) 17. Qe4 $18 Rb6 18. Rd2 f5 {[#]} 19. exf6 $1 gxf6 {[#]} 20. Rad1 $1 Rd6 21. Qa8+ Qd8 22. Qxd8+ Kxd8 23. Nf7+ Ke7 24. Nxh8 ({But not} 24. Rxd6 cxd6 25. Nxh8 Nc5 $18) 24... Nc5 25. h5 {White is clearly winning.} Na4 {If only Black now had time for ...Nxb2....} 26. Ng6+ hxg6 27. h6 {Weighted Error Value: White=0.03/Black=0.53} 1-0

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.5"]
[White "Milosevic, Milos"]
[Black "Todorovic, Goran M"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2334"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,75,2,-26,0,-8,23,20,16,11,12,14,8,0,19,15,20,26,31,0,22,-59,-50,-116,-97,-94,-94,-79,0,0,0,0,0,0,103,-4,28,5,9,14,18,16,28,0,0,0,182,193,200,162,160,151,235,237,235,237,230,235,647,222,426,416,337,282,29999,-29998,29999,-29997]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Nge2 c6 6. a4 Nxc4 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6.} 7. dxc4 d6 8. Qd3 Be7 {The position is equal.} 9. O-O Be6 10. b3 O-O 11. Ba3 Qc7 12. f4 exf4 13. Nxf4 {[#]} Rae8 $146 ({Predecessor:} 13... Rad8 14. Rae1 Bc8 15. Qg3 Rfe8 16. Bb2 Qa5 17. Kh1 Nh5 18. Nxh5 Qxh5 19. Nd5 Qg4 {½-½ (46) Milosevic,M (2322)-Doshi,M (2332) Novi Sad 2021}) 14. Qg3 Bc8 15. a5 (15. h3 $11) 15... Qxa5 $15 16. c5 (16. Bxd6 $15 Qb6+ 17. c5) 16... d5 $17 17. b4 Qd8 18. exd5 cxd5 (18... Ng4 $1 $17 19. Nd1 Bf6) 19. Bb2 $11 {And now Ncxd5! would win.} d4 20. Nb5 $40 {[%mdl 128] Black needs to defend precisely.} Ne4 21. Qd3 Bf6 (21... a6 $11) 22. Nxd4 ({Better is} 22. Rxa7 $16 {[%cal Rb2d4]} Qd7 23. Bxd4) 22... a6 23. Rad1 Bg4 24. Rde1 Ng5 25. h3 Bc8 26. Nh5 Be5 {Strongly threatening ...Nxh3+!} 27. h4 Nh3+ 28. gxh3 $18 {Hoping for Rxe5!} Qxh4 {[#]} 29. Nf3 $1 {[%cal Bd4f3,Bf3e5,Be5d3][%mdl 32]} Qxh5 (29... Bh2+ 30. Kxh2) 30. Rxe5 Rxe5 (30... Qxh3 $16 {is a better defense.} 31. Kf2 Rxe5 32. Bxe5 f6) 31. Nxe5 ({Resist} 31. Bxe5 $6 Bxh3 32. Rf2 Re8) 31... Bxh3 {[#]} 32. Rf3 $1 {[%cal Rf3h3]} Be6 {intending ...f6.} 33. Rg3 {Black must now prevent Nd7.} Re8 $2 (33... f6) 34. Qd4 $2 (34. Nf3 Bg4 {[#]} 35. Qd4 $1 {[%mdl 64] Double Attack}) 34... Qh6 (34... f6) 35. Nd3 {[%cal Rg3g7]} f6 36. Qxf6 Qh4 $2 (36... Qxf6 $18 37. Bxf6 g6) 37. Qc3 $4 {[%mdl 8192]} Rf8 $4 {[%mdl 8192]} (37... Qxg3+ {and all is fine.} 38. Kh1 Bd5#) 38. Qd4 $4 {[%mdl 40960] Quite a comeback for White.  Weighted Error Value: White=0.59/Black=0.86. Loss on time!?} 1-0

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.6"]
[White "Janjic, Stefan"]
[Black "Pastar, Slaven"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2176"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "198"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,198,18,18,31,7,14,16,24,18,18,28,16,14,30,27,33,28,37,18,37,38,38,33,62,0,17,0,0,0,0,-13,0,-23,-16,-34,0,0,0,0,0,0,-1,-2,0,-8,-9,-12,-12,-12,-12,-14,-13,-17,-8,-17,-9,-9,-13,-13,-5,-13,-11,-14,0,-15,-10,-8,-17,-46,-46,-46,-46,-46,-46,-46,-46,-46,-46,-46,0,-46,-45,-46,-45,-46,-46,-46,-46,-253,-258,-251,-101,-210,-142,-176,-150,-616,-614,-612,-588,-616,-587,-556,-530,-504,-494,-446,-88,-183,0,0,0,0,0,-513,-436,-537,-522,-508,0,-193,-219,-673,0,0,0,-384,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29976,0,73,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. O-O e6 6. c4 cxd4 7. Nxd4 Bxg2 8. Kxg2 Qc8 {8...Qc7 is not played anymore.} 9. b3 Qb7+ {A30: Symmetrical English: Double Fianchetto and Hedgehog.} 10. Kg1 a6 11. Nc3 {[#]} Bb4 $146 ({Predecessor:} 11... Be7 12. Bb2 O-O 13. Rc1 d6 14. f3 Nbd7 15. e4 Rac8 16. Kh1 Rfd8 17. Qe2 Bf8 18. Rfd1 {½-½ (17) Tomczak,M (2435)-Janik,I (2489) Katowice 2020}) 12. Bb2 O-O 13. Qd3 Rd8 14. Rfd1 h6 15. Rac1 Be7 16. Rd2 d6 17. Rcd1 Nbd7 18. Qf3 Qxf3 19. exf3 Rdc8 20. Ne4 (20. f4 $14) 20... d5 21. Nxf6+ Nxf6 22. cxd5 Nxd5 23. Nc2 Bc5 24. Kf1 b5 25. Bd4 Be7 26. Ne3 Nb4 27. a3 Nc6 28. Bb2 Rd8 29. Rxd8+ Rxd8 30. Rxd8+ Bxd8 $11 {[%mdl 4096] Endgame KBN-KBN} 31. Ke2 Na5 32. b4 Nc6 33. f4 Bb6 34. Nc2 h5 35. h3 f6 36. g4 hxg4 37. hxg4 Kf7 38. f3 g6 39. Kd3 Ne7 40. Bc1 f5 41. Nd4 Bc7 42. Ne2 Nd5 43. Kd4 Ke7 44. Kd3 Kd7 45. Bd2 Bd6 46. Bc1 Nb6 47. Nd4 Nd5 48. Ne2 Nf6 49. g5 Nd5 50. Kd4 Bf8 51. Kd3 Bg7 52. Nd4 $2 (52. Bd2 $15) 52... Bxd4 $19 53. Kxd4 {KB-KN} Kd6 54. Bd2 Ne7 $1 55. Bc3 Nc6+ 56. Ke3 $2 (56. Kd3 $17) 56... Kd5 57. Kd3 Nd8 58. Ba1 {intending Be5.} Nf7 {[%cal Rf7d6]} 59. Bb2 Nd6 60. Bc1 Nc4 61. Kc3 {and the idea Kd3 leaves White hopeful.} Nb6 $2 (61... e5 $19 {and Black stays clearly on top. And now ...e4 would win.} 62. fxe5 Kxe5) 62. Bd2 (62. Kd3 $17 {was the only defense.}) 62... Na4+ $2 ({Better is} 62... e5 $1 $19 63. fxe5 Kxe5) 63. Kd3 $11 Nb2+ 64. Kc3 Nc4 $2 {[%mdl 8192]} (64... Nd1+ $11 65. Kd3 Nb2+ 66. Kc3 Nc4) 65. Bc1 $19 e5 66. fxe5 Kxe5 67. a4 f4 $2 (67... Kd5 $1 $19 68. axb5 axb5) 68. axb5 $2 (68. a5 $1 $11 {and White stays safe.}) 68... axb5 69. Kd3 $2 (69. Kc2) 69... Nb6 $2 (69... Kf5 $19 70. Ke2 Kxg5) 70. Bb2+ $11 Kf5 71. Bc1 $2 {[%mdl 8192]} (71. Bd4 $11 Nc4 72. Bc3) 71... Nd5 $2 ({Black should try} 71... Nc4 $1 $19 {[%cal Rc4e5]} 72. Ke2 Kxg5) 72. Bd2 Nc7 73. Bc3 Ne6 74. Bf6 Nc7 (74... Nf8 {is more complex.} 75. Kd4 Nd7 76. Bg7 Kxg5 77. Ke4 Nf6+) 75. Kd4 Ne6+ 76. Kd5 (76. Kd3 {seems wilder.}) 76... Nxg5 77. Bxg5 Kxg5 {K3P-KPP} 78. Ke5 Kh5 {Hoping for ...g5.} 79. Kxf4 {KPP-KPP} Kh4 (79... g5+ {keeps more tension.} 80. Kf5 Kh4 81. Kf6 Kh5 82. Kf7 Kh4) 80. Ke4 {Black must now prevent f4.} Kh3 $2 {[%mdl 8192] [#]} (80... g5 $11) 81. Kf4 $2 (81. f4 $1 {mates} Kg4 82. Ke5 Kh5 83. Kd6 Kg4 84. Ke5 Kh4 85. f5 gxf5 86. Kxf5) 81... Kg2 {[#]} (81... Kh4 $1 $11 {remains equal.}) 82. Kg4 ({White should play} 82. Ke3 $1 $16 {aiming for f4.} g5 83. f4) 82... Kf2 {The position is equal.} 83. Kf4 (83. f4 {is interesting.} Ke3 84. Kg3 Ke4 85. Kg4 Kd5 86. Kg5) 83... Ke2 84. Kg4 Ke3 85. f4 $1 Ke4 86. Kg5 Ke3 87. Kg4 $1 Kd4 (87... Ke4 {with more complications.}) 88. Kh4 (88. Kg5 {is more complex.} Ke3) 88... Kd5 (88... Ke3 {looks sharper.} 89. Kg5 Ke4 90. Kg4 Kd4) 89. Kg5 Ke4 90. Kg4 $1 Kd3 91. Kh4 (91. Kg5 {is interesting.} Ke4) 91... Ke2 92. Kg4 $1 Ke3 (92... Kd2 {keeps more tension.} 93. Kg5 Ke3) 93. Kg5 Ke4 (93... Kf3 $5) 94. Kg4 $1 Kd3 95. Kg5 Ke4 (95... Ke3 $5) 96. Kg4 $1 Ke3 97. Kg5 Ke4 98. Kg4 $1 Kd3 99. Kg5 Ke4 {What a bad dream for Black.  Weighted Error Value: White=0.28/Black=0.06} (99... Ke3 $5) 1/2-1/2

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.7"]
[White "Thybo, Jesper Sondergaard"]
[Black "Kliashtornyi, Arkadii"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2568"]
[BlackElo "1611"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,63,-4,-7,-16,13,1,89,81,214,188,195,197,216,204,204,209,214,210,214,139,293,256,371,376,394,393,379,382,492,488,492,489,492,482,489,479,492,490,482,475,469,463,1280,1266,1264,1265,1206,1187,1735,809,29995,658]} 1. d4 {Sadorra, Julio} d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. g3 dxc4 6. Bg2 b5 7. Ne5 Nd5 {7...a6 is the modern continuation.} 8. e4 {E04: Open Catalan: 5 Nf3.} Nxc3 9. bxc3 Bb7 (9... Bd6 $11 {keeps the balance.}) 10. Qh5 $16 {[%csl Ge5][%cal Rh5f7] White is better.} g6 {[#]} (10... Qc7 $16 {is a better defense.}) 11. Nxg6 $1 $40 {[%mdl 640] White wants a kill.} fxg6 12. Qe5 {[%csl LRe6,LRh8] [#]} c5 $146 ({Not} 12... Qa5 $2 13. O-O $18) ({Predecessor:} 12... Nd7 13. Qxh8 Qe7 14. h4 Qf7 15. h5 gxh5 16. Bg5 Qg6 17. f4 Kf7 18. Bf3 Bb4 19. cxb4 Rxh8 20. Bxh5 {1-0 (37) Sadorra,J (2553)-Repka,C (2523) Batumi 2018 CBM 187 [Sadorra, Julio]}) 13. Qxh8 Qe7 14. Bh6 {Strongly threatening Bxf8.} Nd7 {With the idea ...0-0-0.} 15. Bxf8 Nxf8 16. Qe5 a6 $2 (16... Nd7 $16 17. Qh8+ Nf8) 17. dxc5 {Threatens to win with 0-0-0.} Nd7 (17... O-O-O $142 18. a4 Nd7) 18. Qh8+ Nf8 19. Rd1 Qxc5 20. O-O Rd8 21. Rxd8+ Kxd8 22. Rd1+ Ke8 23. Qf6 {[%csl Gf6][%cal Rd1d8]} Qe7 24. Qe5 Nd7 25. Qc7 Nc5 26. Qb8+ Kf7 27. Rd8 Bxe4 (27... Nd7 $142 28. Qf4+ (28. Qxb7 Qxd8 29. Bh3 h5 $16) 28... Nf6) 28. Rh8 Kf6 29. Qf4+ {[%mdl 64] Double Attack} Bf5 30. Qh6 Nd7 31. Rxh7 (31. Rg8 $142 e5 32. Bd5) 31... Qd6 32. Qg7+ {[%mdl 64] Double Attack. White took control after the opening.  Weighted Error Value: White=0.08/Black=0.72} 1-0

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.8"]
[White "Maric, Dragan"]
[Black "Draskovic, Luka"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2121"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,102,10,-5,49,39,83,79,86,77,98,91,96,77,72,69,86,83,97,58,70,57,70,48,50,19,19,19,19,13,14,10,49,49,51,59,66,55,48,42,58,23,37,21,85,77,82,61,93,85,121,130,123,123,133,0,0,0,0,0,153,153,156,153,161,157,211,133,93,0,195,195,285,266,203,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 g6 5. Bd3 Bg7 6. Bc2 Nc6 7. O-O O-O 8. Re1 e5 9. d4 Qc7 {B50: Sicilian: 2...d6, Miscellaneous.} (9... exd4 $11 10. cxd4 cxd4) 10. d5 $14 Nb8 11. c4 {[#]} Ne8 $146 {White is better.} ({Predecessor:} 11... Nbd7 12. Nc3 a6 13. Bd3 Rb8 14. Bf1 Qd8 15. a4 h6 16. g3 Qe7 17. Ra3 Ne8 {0-1 (80) Blasek,R (2274)-Van Zutphen,J (2194) Germany 2009}) 12. Nc3 Qe7 13. Bg5 f6 14. Bh4 Bh6 15. a3 Na6 16. Rb1 Ng7 17. Nh2 Nh5 18. f3 Bg5 19. Bf2 f5 20. b4 Bh4 {Threatening ...Bxf2+.} 21. Qd2 Bxf2+ 22. Qxf2 f4 23. Nf1 Nf6 24. Ba4 Bd7 25. Bb5 Rfc8 26. Bxa6 bxa6 27. Nd2 Be8 28. Qe2 Qc7 29. b5 axb5 (29... Nh5 $11 {remains equal.}) 30. cxb5 $16 c4 31. Rec1 Nd7 32. a4 a5 33. bxa6 Rxa6 34. Nb5 $1 {[%cal Rb5c7]} Qc5+ 35. Qf2 ({Better is} 35. Kh1 $16 Rxa4 36. Rxc4 $1 Rxc4 37. Nxc4) 35... Qxf2+ $1 $11 36. Kxf2 Nc5 {Hoping for ...Nd3+.} 37. Rxc4 {Black must now prevent Kg1.} Bxb5 $2 ({Black should play} 37... Kf7 $11) 38. axb5 $16 ({Resist} 38. Rxb5 $6 Rca8 $11) 38... Ra2 39. Ke2 Kf8 40. b6 Ke7 (40... Rb8 $16 41. Kd1 Ra6) 41. Rc3 Kd7 42. Kd1 (42. Ke1 $16) 42... Rca8 $2 {[#]} (42... Na4 $1 $11 {and Black has nothing to worry.} 43. Rxc8 Kxc8 44. b7+ Kb8) 43. Rc2 $1 $18 Rxc2 (43... Ra1 {was called for.} 44. Rxa1 Rxa1+ 45. Ke2 Ra4) 44. Kxc2 {[%mdl 4096] Endgame KRN-KRN} Ra2+ 45. Rb2 $2 (45. Kc3 $18 Nb7 46. Rb2) 45... Rxb2+ $11 {The position is equal.} 46. Kxb2 {Strongly threatening Nc4. KN-KN} Na4+ {[%mdl 64] Double Attack} 47. Kc2 {aiming for Nc4.} Nxb6 48. Kd3 Kc7 49. Nf1 Na4 50. g4 g5 51. Nd2 Nb2+ {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.18/Black=0.31} 1/2-1/2

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.9"]
[White "Kaasen, Tor Fredrik"]
[Black "Maksimovic, Masa"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2397"]
[BlackElo "2017"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,71,41,21,58,77,66,72,80,45,49,46,52,50,93,103,98,93,100,75,144,124,127,123,103,135,118,131,191,170,198,189,327,314,362,322,295,298,354,350,372,367,374,352,673,497,472,377,390,390,378,365,577,577,570,563,635,611]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 {The main line 8...Bd7 scores better than 8...h6.} 9. f3 h5 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 10. f4 Be7 11. Be2 {[#]} Rc8 $146 {White is better.} ({Predecessor:} 11... b5 12. Bf3 Rc8 13. Nxc6 Bxc6 14. Rhe1 b4 15. Bxf6 gxf6 16. Ne2 Qa5 17. Kb1 h4 {1-0 (64) Bonanno,A (2072)-Hitzgerova,G (2245) Milan 2000}) 12. Bf3 Qc7 13. Kb1 Nxd4 14. Qxd4 e5 {White now steadily converts the win.} 15. Qd2 Bc6 16. Rhe1 O-O 17. f5 h4 ({Black should play} 17... Rfd8) 18. g3 h3 19. g4 Nh7 20. Be3 Qd8 21. g5 Bxg5 {[#]} (21... Nxg5 $16 22. Bh1 Kh8) 22. Rg1 $1 $18 {[%cal Re3g5]} (22. Qxd6 Qxd6 23. Rxd6 Bxe3 $11) 22... Bxe3 23. Qxe3 Qf6 (23... b5 {might work better.} 24. Be2 (24. Qh6 Qf6 $16) 24... f6) 24. Rg3 Kh8 25. Rdg1 Qh6 26. Qe2 Rg8 27. Bh5 g6 28. fxg6 fxg6 29. Bxg6 Bd7 $2 (29... Rc7 30. Qd3 Qf8) 30. Nd5 Rg7 {and if ...Rcg8 works, Black does fine.} 31. Bxh7 Rxg3 32. Rxg3 Kxh7 33. Nb6 Rg8 (33... Rd8 $142 34. Qc4 Bc6 35. Qf7+ Kh8) 34. Rxg8 {White is clearly winning.} ({But not} 34. Nxd7 $2 Rxg3 35. b4 (35. hxg3 $2 {loses.} h2 $19) 35... Rg1+ 36. Kb2 Qc1+ 37. Kb3 Rg2 $19) 34... Kxg8 35. Nxd7 Qg7 {[#] ( -> ...Qg1+)} 36. Qg4 $3 {[%mdl 512] Weighted Error Value: White=0.15/Black=0.42} 1-0

[Event "Belgrade Spring Open 2021"]
[Site "Belgrade"]
[Date "2021.04.04"]
[Round "3.10"]
[White "Dimitrijevic, Dusan"]
[Black "Martic, Ivan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2092"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.04.02"]
[EventType "swiss"]
[EventCountry "SRB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,93,43,95,36,65,56,68,68,64,40,27,28,63,63,62,57,82,72,64,85,103,97,87,80,66,-18,-18,-13,-23,-29,-25,-112,-103,-85,-4,0,-14,-7,22,0,396,187,476,463,29988,348,347,352,401,401,395,396,401,401,401,401,401,356,603,401,401,401,541,538,512,472,557,549,1658,662,1330,1301,1293,1293,1047,933,29973,29973,29987,29988,29997,29998,29998,29999]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nf6 5. Qe2 O-O 6. e5 Ne8 {[#]} (6... Nfd7 $14) 7. Nf3 {B07: Pirc Defence: Miscellaneous Systems.} (7. Bg5 $1 $16) 7... Bg4 8. Bg5 $1 {[#]} Qd7 $146 ({Predecessor:} 8... Nc6 9. O-O-O h6 10. Bh4 Qc8 11. Nd5 g5 12. Bg3 e6 13. Ne3 Bxf3 14. gxf3 dxe5 15. dxe5 Nxe5 16. Bxe5 Bxe5 17. h4 Ng7 18. hxg5 hxg5 19. Ng4 Bf4+ 20. Kb1 Re8 21. Nf6+ Kf8 22. Rh8+ Ke7 23. Nd5+ {1-0 (23) Kuzubov,Y (2636)-Jansa,V (2452) Douglas 2019}) 9. O-O-O {White is slightly better.} c6 10. h4 b5 11. Bd3 f6 12. exf6 Nxf6 13. Rde1 Rf7 14. Qe3 Na6 15. Bxf6 exf6 16. h5 Bxh5 {[#]} 17. d5 $1 {[%cal Rd5c6]} Nb4 18. Bf1 (18. dxc6 $14 Nxd3+ 19. Qxd3 Qxc6 20. Nd5) 18... Nxd5 $11 19. Nxd5 cxd5 20. Nd4 f5 21. Bd3 (21. Qd2 $11) 21... f4 22. Qe6 Bxd4 (22... Qxe6 $17 23. Nxe6 Be5 24. Bxb5 Rb8) 23. Qxd5 Bxb2+ $1 24. Kxb2 Rd8 25. f3 {Threatening Re4.} Qb7 $2 {[%mdl 8192] Black is now going downhill.} (25... Qc7 $11) 26. Qg5 (26. Rxh5 $142 {And now Qg5! would win.} Rc8 27. Qxb7 Rxb7 28. Rd5) 26... Rdf8 $2 (26... Qb6 {is a better defense.}) 27. Rxh5 $18 Qb6 (27... Rg7 $18 28. Rh4 Qf7) 28. Rhh1 $2 (28. Bxg6 {mates} Qd4+ 29. c3 Qd2+ 30. Kb3 hxg6 31. Qxg6+ Rg7 32. Qe6+ Rff7 33. Reh1) 28... Qd4+ 29. Kb1 Qb4+ 30. Kc1 {Black must now prevent Bxg6!} Qa3+ 31. Kd2 Qb4+ 32. Kd1 Qb1+ 33. Ke2 Qxa2 34. Kf2 d5 $2 (34... a6 35. Rh6 (35. Bxg6 hxg6 36. Re2 Rg7 $11) 35... Qb2) 35. Qe5 Qa5 36. Qd4 {Bxg6! is the strong threat.} Qd8 {[#]} 37. Bxg6 $1 {[%mdl 512]} Rg7 38. Bh5 Qg5 {[%csl Gg7][%cal Rg5g2]} 39. Bg4 Rc8 40. Re2 (40. Rh5 $142 Qg6 41. Rxd5) 40... Rc4 41. Qd3 Qd8 42. Be6+ Kh8 43. Bxd5 Qb6+ 44. Kf1 {White mates.} Rc8 45. Re6 Qa5 {[#]} 46. Rxh7+ $3 {[%mdl 576] Back Rank} Rxh7 47. Qd4+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.47/Black=0.88} 1-0

