[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.1"]
[White "Stupak, Kirill"]
[Black "Egorenkov, Igor"]
[Result "*"]
[ECO "A62"]
[WhiteElo "2501"]
[BlackElo "2180"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,68,14,14,23,43,0,6,-36,12,0,29,5,0,9,34,11,12,0,0,0,15,0,51,47,60,37,39,25,31,28,41,44,17,0,41,37,51,38,32,60,31,64,177,176,187,166,212,201,277,266,236]} 1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Bf4 Na6 {10...Bf5 is setting a new trend.} 11. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Bg4 12. Qb3 b5 {[#]} 13. h3 $146 {The position is equal.} ({Predecessor:} 13. Nxb5 Rb8 14. Qa4 Qd7 15. Qxa6 Rxb5 16. Qxd6 Qxd6 17. Bxd6 Ne4 18. Bc7 Rxb2 19. d6 {0-1 (45) Grischuk,A (2756)-Gashimov,V (2740) Nice 2010}) 13... Bxf3 14. Bxf3 b4 15. Nb1 {[%cal Bc3b1,Bb1d2,Bd2c4,Bc4b6][%mdl 32]} Nd7 16. Nd2 Ne5 (16... g5 {is more complex.} 17. Be3 Ne5 18. Qc2 h6 19. Bg2 Nc7) 17. Bxe5 Bxe5 18. Nc4 Nb8 19. Bg2 a5 20. Qa4 Qd7 ({Black should try} 20... Nd7 $11) 21. Qc2 $14 a4 22. Nb6 {[%mdl 64] Double Attack} Qa7 23. Nxa8 {And now Nb6 would win.} a3 $1 {[%cal Ra3b2]} 24. bxa3 {Strongly threatening Rab1.} Bxa1 25. Rxa1 {Hoping for axb4.} bxa3 {[#]} 26. Rb1 $1 {aiming for Nb6.} Qxa8 (26... Nd7 27. Nc7) 27. Rb6 $36 {[%mdl 2048] White is more active.} Qa5 28. Rxd6 {Threatens to win with e4.} Qb4 29. Rf6 Nd7 ({But not} 29... Qb2 $2 30. Qxb2 axb2 31. Rb6 $18) 30. Rf3 Ra8 {[#]} (30... c4 $14) 31. Rb3 $1 $18 {[%cal Rb3b4]} Qa4 32. Qc3 h5 33. e3 Qa5 34. Qxa5 Rxa5 {Weighted Error Value: White=0.08/Black=0.20} *

[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.2"]
[White "Ulasevich, Sergei"]
[Black "Zarubitski, Viachaslau"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2170"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,51,34,27,25,27,45,27,26,8,25,32,27,0,0,0,24,9,45,11,46,0,8,0,0,1,14,0,34,10,78,94,166,156,155,155,157,160,170,124,157,152,153,133,190,173,171,158,229,156,262,204,295,185,212,202,224,215,247,205,242,-156,-152,-209,-207,-201,-195,-191,-193,-209,-204,-402,-400,-365,-198,-197,-194,-156,-35,-42,-45,-195,-210,-203,-207,-259,-186,-515,-508,-506,-506,-499,-500,-474,-467,-1904,-1864,-1866,-1866]} 1. e4 e6 2. d4 b6 3. Bd3 Bb7 4. Nf3 c5 5. c3 d5 6. e5 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} Ne7 7. O-O Nec6 8. Re1 {White is slightly better.} Be7 {[#]} 9. Nbd2 $146 {[%cal Bb1d2,Bd2f1,Bf1g3,Bg3e2,Be2f4][%mdl 32]} ({Predecessor:} 9. a3 a5 10. Be3 Nd7 11. Nbd2 c4 12. Bc2 b5 13. b3 O-O 14. bxc4 bxc4 15. Qb1 {1-0 (34) Takyrbashev,T (2104)-Iuldashev,A (1769) Bishkek 2017}) 9... a5 10. Nf1 Ba6 11. Ng3 (11. Bc2 {keeps more tension.} h5 12. h3 cxd4 13. cxd4 b5 14. Ng3) 11... Bxd3 12. Qxd3 h5 13. Bd2 c4 14. Qe3 b5 15. Qf4 b4 16. Ne2 Nd7 17. Qg3 g6 18. Bg5 Nb6 19. Bf6 Rg8 (19... Bxf6 $11 {remains equal.} 20. exf6 Rc8) 20. Nf4 $16 Qc7 {[#]} (20... Na4 $16) 21. Nxh5 $1 $18 {[%mdl 512] Hoping for Bxe7.} O-O-O 22. Bxe7 Qxe7 23. Nf6 Rh8 24. Nd2 bxc3 25. Qxc3 Qb4 26. Qe3 Kb7 (26... Qxb2 $16 27. Rab1 Qxd4) 27. b3 c3 28. Nf3 Rc8 (28... a4 $16 29. a3 Qxb3) 29. Rec1 Ne7 (29... a4 $16 {is a better defense.} 30. a3 (30. Rxc3 Nxd4 31. Rxc8 Nxf3+ 32. Qxf3 Rxc8 $14) (30. Qxc3 Qxc3 31. Rxc3 Nxd4 $11) 30... Qxb3) 30. Rc2 Rc7 (30... a4 $142 31. Rac1 Nf5) 31. Qd3 Rhc8 32. g4 a4 33. Rb1 Ka7 34. Nh7 Rc4 35. a3 $2 {[#]} ({Not} 35. bxc4 $2 Qxb1+ 36. Kg2 dxc4 $19) (35. Ra1 $18 R4c7 36. Nhg5) 35... Qxb3 $17 {[%mdl 512]} 36. Ra1 {[#]} (36. Rxb3 $17 {was worth a try.} axb3 37. Nhg5 (37. Rc1 $2 b2 $19) 37... bxc2 38. Qxc2) (36. Rcc1 Qxa3) 36... Nc6 $1 $19 {[%cal Rc6d4]} 37. Raa2 Qb1+ 38. Kg2 Na5 39. Nhg5 {[#]} R4c7 40. Nd2 $2 (40. Qf1 Qxf1+ 41. Kxf1) 40... Qd1 {[%mdl 64] Double Attack, Pin} 41. Qf3 Qxf3+ (41... Qe1 $142 42. Nf1 Nb3) 42. Ndxf3 Nb3 43. h4 Rc4 ({Black should try} 43... Kb7 $17 {And now ...Ka6 would win.} 44. Nh3 Rc4) 44. Nxf7 $15 {Threatening Nd6.} Nxd4 45. Nxd4 {Loses the game.} ({White has to play} 45. Rxc3 $1 $15 Nxf3 46. Rxf3 Rxg4+ 47. Rg3 Rxg3+ 48. Kxg3) 45... Rxd4 $19 46. Nd6 {Black must now prevent Nb5+.} Rxg4+ 47. Kh3 {[#]} Rcc4 {[%mdl 512]} 48. Nxc4 $2 (48. Rxc3 Rxh4+ 49. Kg3 Rcg4+ 50. Kf3) 48... Rxc4 {KRR-KRN. Black is clearly winning.} 49. Ra1 d4 50. Rd1 Nd7 51. f4 Nc5 {...d3 is the strong threat.} 52. Rg1 (52. Rxd4 $142 Rxd4 53. Rxc3) 52... d3 {[%mdl 64] Discovered Attack} 53. Rcg2 c2 {Weighted Error Value: White=0.57/Black=0.27} 0-1

[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.3"]
[White "Apryshko, Gleb"]
[Black "Navumenka, Mikhei"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2391"]
[BlackElo "2052"]
[Annotator "RC"]
[PlyCount "94"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. g3 {[%emt 0:00:00]} c5 {[%emt 0:00:56]} 2. Bg2 {[%emt 0:00:00]} Nc6 {[%emt 0:00:07]} 3. e3 {[%emt 0:00:00]} g6 {[%emt 1:30:27]} 4. Ne2 Bg7 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 6. Nbc3 {[%emt 0:01:08]} e6 {[%emt 0:00:00]} 7. dxc5 {[%emt 0:20:55]} Qa5 {[%emt 0:00:00]} 8. O-O {[%emt 0:00:01]} Nge7 {[%emt 0:00:00]} 9. Nf4 {[%emt 0:08:29]} Qxc5 {[%emt 0:00:00]} 10. e4 {[%emt 0:00:01]} d4 {[%emt 0:00:00]} 11. Nd3 {[%emt 0:00:07]} Qd6 {[%emt 0:00:00]} 12. Nb5 {[%emt 0:05:13]} Qd8 {[%emt 0:00:00]} 13. a4 {[%emt 0:02:30]} O-O {[%emt 0:00:00]} 14. b3 {[%emt 0:01:29]} a6 {[%emt 0:00:00]} 15. Na3 {[%emt 0:00:02]} e5 {[%emt 0:00:00]} 16. Bd2 {[%emt 0:02:24]} f5 {[%emt 0:00:00]} 17. Nc4 {[%emt 0:01:39]} Qc7 {[%emt 0:00:00]} 18. Nb4 {[%emt 0:18:35]} fxe4 {[%emt 0:00:00]} 19. Bxe4 {[%emt 0:00:09]} Be6 {[%emt 0:00:00]} 20. a5 {[%emt 0:02:39]} Rad8 {[%emt 0:00:00]} 21. Nb6 {[%emt 0:02:17]} Qd6 {[%emt 0:00:00]} 22. Nd3 {[%emt 0:04:41]} Nd5 {[%emt 0:00:00]} 23. Nxd5 {[%emt 0:01:53]} Bxd5 {[%emt 0:00:00]} 24. Qe2 {[%emt 0:00:01]} Bxe4 {[%emt 0:00:00]} 25. Qxe4 {[%emt 0:00:01]} Qd5 {[%emt 0:00:00]} 26. Rfe1 {[%emt 0:00:35]} Qxe4 {[%emt 0:00:00]} 27. Rxe4 {[%emt 0:00:02]} Rd5 {[%emt 0:00:00]} 28. Ra4 {[%emt 0:04:01]} Rf7 {[%emt 0:00:00]} 29. Kg2 {[%emt 0:01:31]} Bf8 {[%emt 0:00:00]} 30. f4 {[%emt 0:05:49]} exf4 {[%emt 0:00:00]} 31. Nxf4 {[%emt 0:00:11]} Rc5 {[%emt 0:00:00]} 32. Rc4 {[%emt 0:00:00]} Rxc4 {[%emt 0:00:00]} 33. bxc4 {[%emt 0:00:01]} Rf5 {[%emt 0:00:00]} 34. Nd5 {[%emt 0:02:47]} Bc5 {[%emt 0:00:00]} 35. g4 {[%emt 0:02:08]} Re5 {[%emt 0:00:00]} 36. Kf3 {[%emt 0:00:11]} Kf7 {[%emt 0:00:00]} 37. g5 {[%emt 0:02:12]} Rf5+ {[%emt 0:01:19]} 38. Ke2 {[%emt 0:00:21]} Ne5 {[%emt 0:00:44]} 39. Rh4 {[%emt 0:02:34]} d3+ {[%emt 0:01:14]} 40. cxd3 {[%emt 0:02:38]} Rf2+ {[%emt 0:00:05]} 41. Kd1 {[%emt 0:00:03]} Rxd2+ {[%emt 0:00:15]} 42. Kc1 {[%emt 0:00:04]} Rf2 {[%emt 0:03:50]} 43. Rxh7+ {[%emt 0:00:22]} Ke6 {[%emt 0:01:03]} 44. Rxb7 {[%emt 0:03:06]} Nxd3+ {[%emt 0:00:08]} 45. Kd1 {[%emt 0:00:31]} Rxh2 {[%emt 0:02:10]} 46. Nc7+ {[%emt 0:00:10]} Kf5 {[%emt 0:00:40]} 47. Nd5 {[%emt 0:03:31]} Kxg5 {[%emt 0:00:50]} 0-1

[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.4"]
[White "Spizharny, Mikhail"]
[Black "Sargsyan, Anna M."]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2153"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,81,23,14,8,12,79,28,49,37,39,0,43,32,67,50,49,33,94,33,47,28,34,14,12,9,32,39,73,56,68,57,66,24,57,43,54,35,44,34,80,82,68,72,92,79,103,53,45,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. Ne5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nd7 11. f4 Ngf6 12. Bd2 Bd6 {B19: Classical Caro-Kann: 4...Bf5 main line.} 13. O-O-O Qe7 {[#]} (13... O-O $11 {keeps the balance.}) 14. c4 $146 (14. Rhe1 $16) ({Predecessor:} 14. Rhe1 Bxe5 15. dxe5 Nd5 16. Qf3 Qxh4 17. Ne4 b6 18. Nd6+ Kf8 19. g4 Qe7 20. c4 {1-0 (35) Yu,S-Ikeda,M Australia 2006}) 14... O-O-O {White has an edge.} 15. Rhe1 Bc7 {Black wants to play ...Nxe5.} 16. Bc3 Rhe8 17. Kb1 g6 18. Qf3 h5 19. b3 Nb6 (19... Kb8 $14) 20. Ne2 (20. Nd3 $16) 20... Ng8 $14 21. g3 Nh6 22. Ng1 {[%cal Be2g1,Bg1f3,Bf3d2,Bd2e4][%mdl 32]} Nf5 23. Qf2 Kb8 24. Ngf3 Qf8 25. Nd2 Nc8 26. Ne4 f6 27. Nf3 ({Much worse is} 27. Nxg6 $6 Qh6 $15) 27... Bb6 28. Qg2 Nh6 29. Rd2 Qf7 30. Red1 Ne7 31. d5 {aiming for d6.} Ng4 {[%cal Re6d5] [#]} 32. Nxf6 Nxf6 33. Ng5 Qg8 {White must now prevent ...Ng4.} 34. Bxf6 exd5 35. Bxe7 Rxe7 {The position is equal.} 36. cxd5 Qf8 37. dxc6 {Threatens to win with Rxd8+.} Qf5+ 38. Kb2 Qf6+ {[%mdl 64] [#] Double Attack} 39. Kb1 Qf5+ 40. Kb2 Qf6+ {[%mdl 64] Double Attack} 41. Kb1 {Weighted Error Value: White=0.15/Black=0.15} 1/2-1/2

[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.5"]
[White "Barseghyan, Armen Ar."]
[Black "Gusev, Mikhail"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2358"]
[BlackElo "1701"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,47,29,95,95,107,89,97,99,89,83,103,92,98,98,100,110,107,104,106,107,76,99,168,166,179,152,377,373,950,945,916,915,868,852,29989,29990]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Ba6 (7... Bb7 $11 {keeps the balance.}) 8. Bxa6 $16 {A57: Benko/Volga Gambit.} Nxa6 9. Nf3 d6 10. O-O {White is better.} g6 11. e4 Bg7 12. e5 dxe5 13. Nxe5 O-O {[#]} 14. Nc6 $146 ({Predecessor:} 14. Re1 Nb4 15. a3 c4 16. Nxc4 Qd8 17. d6 exd6 18. Be3 Nc6 19. Nxd6 Ne5 20. Bg5 {1-0 (26) Babula,V (2551)-Rohler,S (2253) Graz 2002}) 14... Qc7 {[#]} 15. Qf3 $1 Nb4 {[#]} 16. Bf4 $1 $36 {[%cal Rf4c7][%mdl 2048] Black is under strong pressure.} Qb7 17. a3 Nxc6 (17... Nc2 $16) 18. dxc6 $18 Qxb2 19. c7 {Rfb1 is the strong threat.} Nd7 $2 {This costs Black the game.} (19... Nh5 $16 20. Nd5 Nxf4 21. Qxf4 (21. Nxe7+ Kh8 $11) 21... Qe5 22. Qxe5 Bxe5) 20. Nd5 Qxa1 $2 (20... e5 21. Ne7+ Kh8) 21. Rxa1 Bxa1 22. Nxe7+ Kh8 23. Qc6 Nb8 24. Qxa8 {[%mdl 64] Pin.  Weighted Error Value: White=0.02/Black=0.90} 1-0

[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.6"]
[White "Naumovich, Yaroslav"]
[Black "Tsaruk, Maksim"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2022"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,106,0,0,0,0,0,6,5,-28,-25,-33,0,-1,0,-98,-103,-86,-59,-60,-54,-62,-71,-68,-62,-65,-54,-56,0,0,0,-54,-23,-94,-94,-94,-94,-94,-94,-94,-94,-94,-94,-102,-70,-75,-69,-69,-69,-83,-83,-83,-65,-83,-83,-103,-13,-13,-13,-13,-13,-13,-13,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. d4 d5 3. e3 e6 4. c4 dxc4 5. Bxc4 a6 6. a4 c5 7. O-O Nc6 8. Nc3 Be7 9. Ne5 cxd4 10. Nxc6 bxc6 11. exd4 O-O 12. a5 Bb7 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 13. Bf4 c5 14. dxc5 Bxc5 {[#]} 15. Qe2 $146 ({Predecessor:} 15. Qxd8 Raxd8 16. Be2 h6 17. Rfc1 {½-½ (17) Piket,J (2590)-Anand,V (2725) Biel 1993}) 15... Qd7 16. Kh1 Qc6 {[%csl Gb7][%cal Rc6g2]} 17. f3 Nh5 18. Qe5 (18. Bd2 $11 {remains equal.}) 18... Nxf4 $17 19. Qxf4 Qd6 (19... Bd6 {looks sharper.} 20. Qh4 Qc7 21. Bd3 h6 22. Rfc1 Rac8) 20. Qxd6 Bxd6 21. Na4 Bb4 22. Nb6 Rad8 23. Ra4 Bc5 24. b4 Bxb6 (24... Be3 $15) 25. axb6 $11 Rd4 26. Bxa6 {[#]} ({Better is} 26. Be2 $1 $11) 26... Ra8 $1 27. Bb5 (27. Bxb7 $11 Rxa4 28. b5) 27... Rxa4 $17 28. Bxa4 Rxb4 {[%mdl 4160] Endgame Double Attack. KRB-KRB} 29. Bc2 Rxb6 30. Rb1 Rxb1+ 31. Bxb1 {KB-KB} g5 32. h4 gxh4 {aiming for ...h3!} 33. Kh2 Ba6 34. Kh3 Bf1 35. f4 f5 36. Bc2 Kg7 37. Ba4 Kf6 38. Bd1 {[#]} e5 (38... Ke7 $1 $17 {next ...Kd7 is good for Black.} 39. Bf3 Bc4) 39. fxe5+ $11 {The position is equal.} Kxe5 40. Bf3 Bd3 {And now ...Be4 would win.} (40... Kf4 {keeps more tension.} 41. Kxh4 Ke3 42. Bc6 f4 43. Kg5 Ba6) 41. Kxh4 Be4 {( -> ...Bxf3)} 42. Kg3 Bxf3 43. Kxf3 {KPP-KP} h6 44. g3 h5 45. Ke3 Kf6 (45... Kd6 {is interesting.} 46. Kf4 Ke6 47. Kf3 Kd6 48. Kf4) 46. Kf4 Kg6 47. Ke3 Kg7 48. Kf4 Kf6 49. Ke3 Kg5 50. Kf3 f4 51. gxf4+ Kf5 52. Kg3 h4+ 53. Kxh4 Kxf4 {Weighted Error Value: White=0.14/Black=0.13} 1/2-1/2

[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.7"]
[White "Izbekova, Evdokia"]
[Black "Aleksandrov, Aleksej"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1743"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,70,0,0,-21,-20,-20,-21,-14,-22,-12,-18,-22,-10,-29,-2,-2,0,-34,-13,-35,-51,-68,-60,-68,-66,-87,-51,-109,-82,-99,-88,-94,-86,-154,-146,-191,-200,-195,-195,-191,-194,-252,-212,-251,-252,-231,-233,-285,-282,-282,-282,-286,-266,-310,-293,-389,-379,-456,-450,-506,-501]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nxc6 Bc5 6. Qe2 bxc6 7. e5 {C45: Scotch Game.} Qe6 {[#]} 8. Nd2 $146 ({Predecessor:} 8. Bf4 Ne7 9. Qd3 Nd5 10. Bg3 Nb4 11. Qd2 Nd5 12. Bc4 O-O 13. O-O a5 14. Bxd5 Qxd5 {0-1 (59) Velychko,S (1152)-Nurgaliyeva,Z (1861) Lichess.org INT 2020}) 8... Ne7 9. Nf3 {The position is equal.} a5 10. Qc4 d6 11. Qxe6 Bxe6 12. Bd3 h6 13. O-O a4 14. Re1 O-O 15. Be3 Bxe3 16. Rxe3 c5 17. c4 Rfb8 18. Rb1 Ra6 19. Nd2 {White is on the road to losing.} (19. exd6 $15 cxd6 20. b3) 19... Nf5 20. Ree1 Nd4 21. exd6 cxd6 22. Ne4 (22. Re3 $142) 22... Rab6 $17 23. Nc3 Rxb2 24. Rxb2 Rxb2 25. Nxa4 Rxa2 26. Rb1 (26. Nc3 {was worth a try.} Ra3 27. Rc1) 26... g5 27. Nb6 Nc6 28. Be4 Nb4 29. Rc1 Ra6 30. Nd5 Bxd5 31. cxd5 Ra2 32. Kf1 Kg7 33. Ke1 Kf6 34. Rd1 Ke5 35. Bf3 c4 {Weighted Error Value: White=0.25/Black=0.07} 0-1

[Event "Orsha A 2021"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "3.8"]
[White "Siniauski, Artsiom"]
[Black "Kirpichou, Ivan"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2277"]
[BlackElo "1818"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventCountry "BLR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,111,25,14,13,10,17,12,35,35,44,30,60,56,65,74,72,79,118,116,129,114,115,116,104,121,216,175,175,93,106,141,222,253,217,246,249,250,256,197,216,247,239,202,210,112,139,131,114,72,83,122,139,32,360,283,343,338,600,598,543,523,588,0,0,0,576,519,546,517,502,475,1953,552,5355,5077,4998,4910,29962,29967,29974,29975,29976,29977,29975,0,0,0,0,-11,-11,-11,29983,29984,29985,29986,29992,29993,29993,29994,29996,735]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. c4 {7.d4 is the modern continuation.} Ne5 {B52: Sicilian: Moscow Variation with 3...Bd7.} 8. b3 Be7 9. Bb2 Nfd7 {The position is equal.} 10. d4 Nxf3+ 11. Qxf3 {[#]} cxd4 $146 ({Predecessor:} 11... Bf6 12. Rd1 O-O 13. Qe2 Bxd4 14. Bxd4 cxd4 15. Rxd4 Qf6 16. Qd2 Ne5 17. Nc3 Rad8 {1-0 (43) Petrik,T (2495)-Fercec,N (2503) Kastel Kambelovac 2014}) 12. Bxd4 Bf6 13. Rd1 Be5 14. Nc3 Qf6 15. Qe3 a6 16. Bxe5 dxe5 17. Rd6 {Strongly threatening Rad1.} Qf4 18. Qe2 O-O-O (18... Nb8 $16 {was worth a try.}) 19. g3 Qg5 20. Na4 (20. b4 $1 $18) 20... Nb8 21. c5 Nc6 {[#]} (21... Kc7 $16 {is a better defense.}) 22. Rxc6+ $1 $18 {[%mdl 576] Deflection} bxc6 23. Qxa6+ Kd7 24. Qb7+ Ke8 25. Nb6 Qd2 26. Qxc6+ Ke7 27. Qc7+ Kf6 28. Rf1 (28. Nc4 Qd4 $15) (28. c6 $1 $18 {And now Nd7+ would win.} Qd4 29. Rc1) 28... Qd4 29. c6 {Black must now prevent Nd7+.} Kg6 30. h4 h5 31. Nc4 f6 32. Rc1 (32. a4 $16) 32... Rc8 $2 {[%mdl 8192]} (32... Qxe4 $14 33. Nd6 Qe2) 33. Qe7 Rhe8 34. Qd7 Qc5 $2 (34... Ra8 35. Qxd4 exd4) 35. b4 Qxb4 36. Nd6 {[%mdl 64] Double Attack} Qd2 37. Rc4 $40 {[%mdl 128] Black needs to defend precisely.} (37. Nxe8 $2 Qxd7 38. cxd7 Rxc1+ 39. Kg2 Rd1 $19) (37. Rb1 $18 Red8 38. Qf7+ Kh6 39. Rb7 $1) 37... Red8 $11 38. Qxc8 ({Wrong is} 38. Qf7+ $2 Kh6 $19) 38... Qxd6 {[%mdl 8192] [#]} ({Don't blunder} 38... Rxc8 $2 39. Nxc8 Qxa2 40. Nd6 $18) (38... Rxd6 $11 {and Black is okay.} 39. Qe8+ Kh6) 39. Qxd8 $3 $18 {[%mdl 512]} Qxd8 $11 {[%mdl 4096] Endgame KQ-KR} 40. c7 Qc8 {[#]} 41. a4 $1 Kf7 {[#]} (41... f5 $142 42. a5 f4) 42. a5 $1 $18 {[%cal Ra5a6]} Ke7 43. a6 $1 Kd7 44. a7 g5 45. hxg5 fxg5 46. Rc2 h4 47. Rd2+ Ke7 48. Rd8 $2 (48. Ra2 {mates} Qa8 49. c8=Q {[%mdl 64] Promotion} Qxc8 50. a8=Q Qxa8 51. Rxa8 Kd6 52. Kg2 hxg3 53. Kxg3) 48... Qxc7 $11 49. Rh8 Qc1+ 50. Kg2 h3+ $1 51. Rxh3 ({Avoid the trap} 51. Kh2 $2 Qf1 $19) 51... Qa3 $2 {[%mdl 8192]} (51... Qc8 $11 52. Rh1 Qa8) 52. Rh8 {White mates.} g4 53. a8=Q Qf3+ 54. Kg1 Qd1+ 55. Kh2 Qf1 56. Qd8+ {Weighted Error Value: White=0.23/Black=0.74} 1-0

