[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.09"]
[Round "1.1"]
[White "Lobanov, Sergei"]
[Black "Barseghyan, Armen Ar."]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2510"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,16,12,43,39,27,13,11,22,13,9,10,15,16,15,15,10,16,14,9,16,20,32,58,54,111,126,112,118,123,128,229,231,342,324,975,964,958,107,112,0,959,954,950,941,818,648,612,358,1811,1536,29981,29976,29973,12637,29989,29990,29992,29993]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Qc7 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 7. c3 d6 8. h3 Nf6 {The position is equal.} 9. d4 cxd4 10. cxd4 O-O 11. Nc3 Bb7 12. Bf4 c5 13. d5 Rad8 14. Qd2 Rfe8 {[#]} 15. Rad1 $146 ({Predecessor:} 15. Rac1 Qa5 16. b3 Nd7 17. Qd3 Qb4 18. Qd2 Qa5 19. Qc2 Bxc3 20. Qxc3 Qxc3 21. Rxc3 {½-½ (37) Saitou,A (2207)-Trent,B ICCF email 2017}) 15... Qb6 16. Bh6 e6 17. dxe6 Rxe6 ({Better is} 17... fxe6 $14 18. Bxg7 Kxg7) 18. Bxg7 $16 Kxg7 19. e5 Nd7 20. exd6 {Hoping for Rxe6.} Bxf3 (20... Rf6 $16) 21. Rxe6 $1 $18 ({Stronger than} 21. gxf3 Ne5 $11) 21... Bxd1 {[#]} (21... fxe6 $142 22. gxf3 Rf8) 22. Nd5 $1 {[%mdl 512]} Qa6 $2 {[#]} (22... fxe6 23. Nxb6 axb6 24. Qxd1 Nf6) 23. Qc3+ $1 Kh6 24. Qe3+ $2 (24. Re7 $18 {is the precise move to win.} Qxd6 25. Rxf7) 24... Kg7 $16 {[#]} 25. Qc3+ $2 {[%mdl 8192]} (25. Nc7 $1 $16 Qxa2 26. Re7) 25... Kh6 $18 26. Re7 Qxd6 27. Rxf7 {Intending Qg7+ and mate.} Qe5 28. Qd2+ g5 {aiming for ...Nf8.} 29. Ne3 ({Not} 29. Qxd1 Nf6 $11) 29... Qe6 $2 {[#]} (29... Kg6) 30. Re7 $3 {[%mdl 512]} Qb6 (30... Qxe7 31. Nf5+) 31. Qxd1 Ne5 32. Qc2 {[%csl Gc2][%cal Re7h7]} Nd3 33. Ng4+ Kg6 34. Qc4 {[%csl Ge7][%cal Rc4f7] Weighted Error Value: White=0.49/Black=0.72} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.09"]
[Round "1.2"]
[White "Makaryan, Rudik"]
[Black "Gharibyan, Mamikon"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2461"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,87,0,19,-13,0,0,0,14,33,-26,-27,-16,-21,-11,0,-15,-26,-37,-41,-64,-21,-54,-34,-25,4,-37,0,0,58,69,225,218,295,293,358,357,354,288,436,350,342,328,316,304,301,277,277,254,327,277,277,277,278,284,333,356,356,352,353,349,341,322,1291,1264,29989,29990,29990,29991,29992,29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. Bf4 Nbd7 10. Nbd2 Ba6 11. Rfe1 {E11: Bogo-Indian.} Nh5 12. Be5 Rc8 13. cxd5 {[#] The position is equal.} exd5 $146 ({Predecessor:} 13... cxd5 14. Qa4 Bb7 15. Qxa7 Bc6 16. Bh3 Ra8 17. Qc7 Qxc7 18. Bxc7 Rfc8 19. Be5 Nhf6 {½-½ (58) Ruiz Jarabo,F (2236)-Lecha Gonzalez,J (2213) ICCF email 2012}) 14. Rad1 (14. Qa4 $14 Bb5 15. Qxa7) 14... f6 $11 15. Bf4 g5 16. Be3 f5 {aiming for ...f4.} 17. Nf1 {[%cal Bd2f1,Bf1e3,Be3d5][%mdl 32]} f4 18. Bc1 g4 $1 {[%cal Rg4f3]} 19. N3d2 Bd6 20. e4 f3 $1 {[%cal Rf3g2]} 21. Bh1 Be2 22. Ne3 Qg5 23. e5 Bxd1 (23... Bb4 $11) 24. Qxd1 $14 {[%cal Rd2f3] Threatens to win with Nxf3.} Bb4 $2 {[#] Loses the game.} (24... Bxe5 $14 25. dxe5 Nxe5) 25. Nxf3 $1 $18 gxf3 {[#]} 26. Nxd5 $1 {[%mdl 576] Discovered Attack} Qg4 (26... Qf5 27. Nxb4) 27. Nxb4 Ng7 28. Bh6 Rf5 (28... a5 {was called for.}) 29. Qb3+ Kh8 30. Bxg7+ Qxg7 31. e6 ({Don't take} 31. Bxf3 c5 $18) 31... Nb8 {[%cal Bd7b8,Bb8a6,Ba6c5][%mdl 32]} 32. Bxf3 Qxd4 33. Re3 Qf6 34. Kg2 Re8 35. Nd3 Na6 36. Bxc6 Nc5 37. Bxe8 (37. Nxc5 Rxf2+ 38. Kh1 Rf1+ 39. Kg2 Rf2+ 40. Kh1 Rf1+ 41. Kg2 Rf2+ $11) 37... Nxb3 {[#]} 38. e7 $1 Rf3 {[#]} 39. Re1 Rxd3 40. Bb5 Qf3+ $2 (40... Rd8 41. exd8=Q+ Qxd8 42. Re8+ Qxe8 43. Bxe8 Nc1) 41. Kg1 Nd4 42. e8=Q+ {White mates.} Kg7 43. Bxd3 Qxd3 44. Qd7+ {Weighted Error Value: White=0.16/Black=0.48} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.09"]
[Round "1.3"]
[White "Lazavik, Denis"]
[Black "Mikaelyan, Arman"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2436"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,102,28,33,42,49,32,42,35,68,43,37,21,14,0,0,-14,-13,0,27,0,0,0,0,0,58,73,76,-96,-8,0,0,-51,-43,-73,-59,-56,-57,-64,-72,-81,-71,-59,-44,-43,-52,-53,-51,-41,-41,-61,-44,-63,0,0,0,0,0,-5,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. h4 Nf6 7. h5 Rg8 8. hxg6 hxg6 9. e4 {9.Qa4 is the modern continuation. A40: Unusual replies to 1 d4.} d6 10. exf5 {[#]} gxf5 $146 ({Predecessor:} 10... Bxf5 11. Be2 Qa5 12. Bd2 Na6 13. Nf3 Nc7 14. Nh4 O-O-O 15. Nxf5 gxf5 16. Bf3 Nd7 {0-1 (29) Studnicka,T (2283)-Kanovsky,D (2431) Czechia 2008}) 11. Qa4+ {White is slightly better.} Bd7 12. Qa3 Na6 13. Nh3 e5 14. dxe6 Qe7 15. f3 Bxe6 16. Kf2 Rh8 ({Much weaker is} 16... Qg7 $6 17. Ng5 $16) 17. Bg5 O-O-O 18. Re1 Rdg8 19. Bd3 Qf7 (19... Nc7 $1 $11) 20. Qc1 $1 $14 Nd7 {[#]} 21. f4 (21. Bf4 $1 $16 {keeps the pressure on.} Ne5 22. Bxe5 dxe5 23. Ng5) 21... Nab8 ({But not} 21... Bxc4 $6 22. Re7 $11) (21... Nc7 $17 22. Qc2 Kb8) 22. Qc2 $11 Nc6 23. g3 (23. Rxe6 $11 Qxe6 24. Bxf5 Qxc4 25. Rd1 Rxg5 26. fxg5) 23... Rf8 24. Bh4 {And now Ng5 would win.} Bxc4 25. Ng5 $1 {[%cal Rg5f7]} Qd5 26. Rd1 Bxd3 27. Qxd3 Qxd3 28. Rxd3 Rh6 29. Rhd1 $1 Kc7 30. Re3 {aiming for Ne6+.} Nd8 31. Nf3 Nf6 {Threatens to win with ...Ng4+.} 32. Bxf6 Rhxf6 33. Rh1 Re6 ({Better is} 33... Kc6 $15) 34. Rh7+ {The position is equal.} Kc6 35. Rxe6 Nxe6 {[%mdl 4096] Endgame KRN-KRN} 36. Rh6 Kd7 37. Rh7+ Kc6 38. Rh6 Re8 39. Nh4 b5 40. Nxf5 a5 41. Nxd6 Kxd6 {KRN-KR} 42. f5 {[%mdl 64] [#] Pin} a4 43. Ke3 Kd5 {White must now prevent ...Nd4+.} 44. Rxe6 Rxe6+ 45. fxe6 Kxe6 {K3P-K3P} 46. Kd3 b4 47. cxb4 cxb4 48. Kc4 b3 {[%cal Rb3a2]} 49. axb3 axb3 50. Kxb3 Kf5 51. g4+ Kxg4 {Weighted Error Value: White=0.11/Black=0.11} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.09"]
[Round "1.4"]
[White "Babujian, Levon"]
[Black "Daneshvar, Bardiya"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "2440"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,82,-31,-95,-6,-56,-27,-39,-13,-83,-48,-57,-27,-54,-53,-50,60,56,14,-186,-108,-118,-33,-155,-150,-149,-143,-172,-79,-121,-141,-163,-55,-52,-50,-37,0,0,0,0,285,-292,683,673,682,546,550,537,490,430,416,432,433,416,416,384,414,416,529,402,768,884,849,850,795,760,960]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Bg3 Nd5 10. Be2 (10. Nd2 $15) 10... Bb7 {D44: Semi-Slav: Botvinnik System.} (10... Bb4 $17 11. Qc2 Qa5) 11. Nd2 Nd7 12. O-O Qb6 {Black is slightly better.} 13. Nde4 (13. a4 $1 $11) 13... O-O-O 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} a6 15. b3 Nxc3 $1 16. Nxc3 b4 {[#]} (16... cxb3 $15 17. f3 b2) 17. a5 $1 $14 {[%mdl 1024] White has compensation.} Qa7 {[#]} (17... Qc7 18. Ne4) 18. Ne4 $146 {[#]} (18. Na4 $1 $11 {and White stays safe.}) ({Predecessor:} 18. Na2 c3 19. Bh5 c5 20. Bxf7 Bd5 21. Qg4 Bxb3 22. dxc5 Nxc5 23. Bg6 Nd3 24. Qf3 {0-1 (44) Tilicheev,V (2540)-Ni,S (2428) Neustadt an der Weinstrasse 2019}) 18... c3 (18... c5 $1 $19 19. Nd6+ Bxd6 20. exd6 c3) 19. Bc4 $17 Be7 (19... c5 $17 20. d5 exd5 21. Bxd5 Be7 22. Bxb7+ Qxb7) 20. Nd6+ (20. Qh5 $15 Rdf8 21. Rad1) 20... Bxd6 21. exd6 c5 22. f4 gxf4 (22... cxd4 $19 {and Black stays clearly on top. And now ...Qc5 would win.} 23. fxg5 hxg5 24. Rxf7 Qc5) 23. Rxf4 cxd4 {Threatens to win with ...e5.} 24. Rxf7 Rhf8 (24... e5 $19 {aiming for ...Qc5.} 25. Qf1 e4) 25. Rxf8 $15 Rxf8 26. Qd3 $1 e5 {...e4 is the strong threat.} 27. Be6 {Strongly threatening Bxd7+.} Qc5 {Hoping for ...e4.} 28. Bxd7+ Kb8 $2 {[%mdl 8192]} (28... Kxd7 $11 29. Qh7+ Kc8) 29. Re1 $4 {[%mdl 8192]} (29. Be6 $18 {and life is good for White.}) 29... Qd5 $4 {[%mdl 8192]} (29... c2 $19 30. Qc4 Qxc4 31. bxc4 d3) 30. Bh3 $18 e4 31. d7+ Ka7 {[#]} 32. Bc7 $1 {[%mdl 512]} Qxd7 33. Bb6+ (33. Bxd7 exd3 34. Be5 d2 $19) 33... Ka8 34. Qxd4 (34. Bxd7 $2 {is the wrong capture.} exd3 35. Bg4 d2 $19) 34... Qxd4+ 35. Bxd4 Rd8 36. Be3 Rd3 {Now ...c2 and Black clings on.} 37. Kf2 Bd5 38. Bf5 Kb8 (38... h5 $142 39. Rc1 Bc6) 39. Bf4+ {White is clearly winning.} Ka7 40. Bxe4 Bxe4 41. Rxe4 c2 {What a bad dream for Black.  Weighted Error Value: White=0.66/Black=0.76} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.09"]
[Round "1.5"]
[White "Sargsyan, Anna M."]
[Black "Hayrapetyan, Hovik"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2402"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,9,30,0,0,0,0,0,12,5,24,10,13,23,39,31,77,87,88,81,83,77,95,106,160,165,154,171,195,180,182,25,16,15,18,15,27,0,112,52,109,117,178,43,39,31,33,0,0,0,0,-129,-126,-127,-117,-112,-119,-109,-70,-250,-255,-1479,-1472,-1318,-1334,-1093,-564,-665,-481,-554,-547,-657,-516,-1029,-916,-752,-641]} 1. e4 c5 2. Nf3 a6 3. Nc3 b5 4. g3 Bb7 5. d3 g6 6. Be3 {B28: Sicilian: 2 Nf3 a6 (O'Kelly Variation).} d6 7. Bg2 Bg7 8. Qd2 {The position is equal.} Nc6 9. O-O {[#]} h5 $146 ({Predecessor:} 9... Rc8 10. Bh3 Rb8 11. Nh4 b4 12. Nd1 Nf6 13. f4 O-O 14. f5 d5 15. fxg6 hxg6 16. exd5 Ne5 17. c4 bxc3 18. Nxc3 Nxd5 19. Bf2 Nxd3 {0-1 (19) Guzman,A (1906)-Argote Heredia,V (2104) Palmira 2019}) 10. h3 e6 11. d4 cxd4 12. Nxd4 Na5 13. b3 Nf6 14. Rad1 O-O 15. Nde2 $1 Ne8 16. a4 Rc8 (16... Qb8 $142) 17. axb5 $16 axb5 18. Nxb5 Ba6 19. Na7 Ra8 20. c4 $2 ({White should play} 20. Rfe1 $18) 20... Nxb3 $11 21. Qb4 Rb8 22. Nb5 Na5 23. Qa4 Bb7 (23... Nxc4 $11 24. Qxa6 Nxe3) 24. Ned4 (24. Rb1 $16) 24... Rc8 ({Better is} 24... Ra8 $14) 25. c5 $1 $16 d5 (25... e5 $16) 26. exd5 ({White should try} 26. Na7 $1 $18 {[%cal Ra7c8]}) 26... Bxd5 $14 27. Bxd5 exd5 28. Na7 Ra8 {[%cal Ra8a7]} 29. Nac6 Qd7 30. Qb5 {[#]} (30. Qa3 $11 {keeps the balance.} Bxd4 31. Nxd4) 30... Nc7 $1 $17 {[%cal Rc7b5]} 31. Qb6 Nc4 32. Qb7 {And now Bf4 would win.} Nxe3 33. fxe3 Bh6 34. Rde1 $2 (34. Nc2 $1 $15) 34... Qxh3 $40 {[%mdl 128] Black wants a kill.} 35. Qxc7 (35. Rf3 Ra2 36. Ne2) 35... Ra2 {[%csl Ga2][%cal Rh3h2] Black is clearly winning.} 36. Rf2 {[#]} Bxe3 $1 {[%csl Ga2][%cal Re3f2][%mdl 512]} 37. Ne2 Bxf2+ 38. Kxf2 Qh2+ 39. Kf1 h4 40. Qf4 hxg3 {( -> ...Qh1+)} 41. Qf3 (41. Ne7+ $142 Kh7 42. Qf3 g2+ 43. Qxg2 Qxg2+ 44. Kxg2) 41... Re8 42. Ncd4 Re4 {Never resign too early!  Weighted Error Value: White=0.65/Black=0.35} 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.10"]
[Round "2.1"]
[White "Barseghyan, Armen Ar."]
[Black "Hayrapetyan, Hovik"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2362"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,114,30,35,15,1,16,-12,39,0,6,-28,-18,-22,-27,-38,-24,-27,-28,-34,-32,-55,-23,-25,-27,-39,-39,-31,-30,-40,-45,-45,-37,-92,-84,-88,-85,-91,-80,-109,-120,-125,-125,-133,-124,-157,-150,-143,-143,-143,-143,-143,-143,-187,-169,-174,-162,-162,-160,-181,-181,-511,-510,-502,-501,-475,-294,-1389,-1154,-2205,-1818,-1531,-1116,-2933,-2449,-2395,-3804,-2320,-1589,-1633,-2446,-12840,-12840,-12840,-12840,-12841,-12841,-12841,-12842,-12842,-12843,-12843,-12843,-12844,-12844,-12845,-12845,-12845,-12846,-12846,-12846]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4 cxd4 7. exd4 Be7 8. Nc3 O-O 9. d5 Na6 {E14: Queen's Indian: Classical Variation (4 e3).} 10. Bb1 {[#] d6 is the strong threat.} Qc7 $146 ({Predecessor:} 10... Qb8 11. Bg5 h6 12. Bh4 Qf4 13. Qe2 Rfe8 14. Bg3 Qg4 15. d6 Bf8 16. Rd1 Bxf3 17. gxf3 {0-1 (71) Anuprita,P (2025)-Lehaci,M (2214) Hastings 2020}) 11. Bd3 Nb4 (11... exd5 $11 12. cxd5 Nb4) 12. Nb5 Qb8 13. Re1 a6 14. Nc3 b5 15. b3 Nxd3 16. Qxd3 Rc8 17. Bd2 Qc7 {[%cal Rb5c4]} 18. cxb5 Nxd5 19. Nxd5 Bxd5 20. Rac1 Qb7 {Hoping for ...Rxc1.} 21. Rxc8+ Qxc8 22. b6 Qb7 23. Be3 Bd8 24. Qd4 {[#]} (24. Ne5 $1 $15) 24... Rb8 $1 $17 {Black converts the advantage convincingly.} 25. Ne5 d6 26. Nc4 Bxc4 27. bxc4 Qxb6 28. Qxb6 Bxb6 {[%mdl 4096] Endgame KRB-KRB} 29. Rb1 Bc7 30. Rxb8+ Bxb8 {KB-KB} 31. Kf1 f5 32. f3 Kf7 33. Ke2 e5 34. Kd3 Ke6 35. h3 d5 36. cxd5+ Kxd5 37. Bc1 e4+ 38. fxe4+ $2 (38. Ke2) 38... fxe4+ $19 39. Ke2 Ba7 40. Bb2 Bd4 41. Ba3 (41. Bc1) 41... Kc4 {Black is clearly winning.} 42. Kd2 e3+ 43. Ke2 Kc3 44. g4 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 45. h4 Kc2 (45... a4 $142 46. h5 Kc2) 46. Bd6 a4 47. h5 g6 48. hxg6 hxg6 49. Be7 Bb6 50. Bd6 Kb2 51. a3 Kc2 52. Be7 Bd4 53. Bd6 Kb3 54. Kd3 Bb2 55. Bc5 Bxa3 56. Bxe3 Bb2 57. Bc5 g5 {Weighted Error Value: White=0.65/Black=0.21} 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.10"]
[Round "2.2"]
[White "Daneshvar, Bardiya"]
[Black "Sargsyan, Anna M."]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2399"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,26,25,56,36,56,51,63,63,58,71,57,21,14,0,0,0,16,0,0,0,0,0,0,-6,0,-16,-10,-10,0,-4,0,0,4,0,48,-4,-11,-8,0,0,0,-25,-14,-30,249,256,266,206,420,422,425,410,543,509,592,604,598,586]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1 c6 7. Nf3 h6 {D93: Grünfeld: 4 Nf3 Bg7 5 Bf4 0-0 6 e3.} 8. Qb3 e6 {[#]} 9. Bd3 $146 ({Predecessor:} 9. c5 Ne8 10. Bd3 Nd7 11. O-O b6 12. cxb6 axb6 13. e4 Bb7 14. exd5 exd5 {0-1 (36) Pejovic,M (1946)-Muric,T (1922) Podgorica 2018}) 9... Re8 {White is slightly better.} 10. h3 Nbd7 11. O-O b6 12. Qd1 Bb7 13. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} a5 14. cxd5 exd5 15. b5 c5 16. dxc5 bxc5 17. Na4 Qe7 18. Bb1 Rac8 19. Nd2 c4 20. Nf3 Nh5 21. Bh2 Qb4 22. Nd4 Bxd4 23. exd4 c3 24. Qb3 ({Better is} 24. Bc2 $14) 24... Qxd4 $11 25. Nxc3 Nf4 {And now ...Rxc3! would win.} 26. Qd1 Qf6 {With the idea ...Nxh3+!} 27. Qd2 {[#]} Nxg2 28. Kxg2 {Hoping for f3.} Ne5 {[%mdl 8192] Black cannot hold the game after this.} (28... d4+ $11 {and Black has nothing to worry.} 29. Ne4 Rxc1 30. Rxc1 Rxe4 31. Bxe4 Bxe4+ 32. Kf1 g5) 29. Qf4 $18 ({Not} 29. Qxh6 {[#]} Rxc3 $1 {[%mdl 512]} 30. Rxc3 d4+ 31. Rc6 Nxc6 $17) 29... Qg7 30. f3 {Nxd5! is the strong threat.} Nc4 $2 (30... Rc4 31. Qd2 Rb4) 31. Bg1 g5 32. Qd4 Ne5 33. Ne2 {White is clearly winning.} Rxc1 34. Rxc1 Qf6 35. Rc3 {Weighted Error Value: White=0.10/Black=0.40} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.10"]
[Round "2.3"]
[White "Mikaelyan, Arman"]
[Black "Babujian, Levon"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2485"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,-12,-13,-16,-16,-7,0,-8,-11,0,-11,-25,0,0,0,0,0,0,0,0,96,41,56,0,13,0,69,18,84,31,68,58,179,155,191,208,191,189,253,228,208,207,281,270,276,177,277,270,270,258,266,253,251,228,210,178,1266,1400,1225,1080,5535,4812,29984,29984,29987,29987,29988,29988,29988,29989,29989,29990]} 1. d4 {Krasenkow,M} Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 dxc4 6. e4 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} c5 7. d5 b5 8. h5 {The position is equal.} O-O (8... gxh5 $6 9. e5 $16) 9. hxg6 fxg6 10. d6 {e5 is the strong threat.} exd6 {[#] Strongly threatening ...Re8.} 11. a4 $146 ({Predecessor:} 11. Nxb5 d5 12. Nc3 Re8 13. Be3 d4 14. e5 Ba6 15. Qa4 Qd7 16. Bxc4+ Bxc4 17. Qxc4+ {1-0 (42) Mamedyarov,S (2814)-Navara,D (2745) Shamkir 2018 CBM 184 [Krasenkow,M]}) 11... Qe7 {And now ...Bb7 would win.} 12. axb5 Be6 13. Be2 Nbd7 14. Ng5 Ne5 (14... Nb6 $11) 15. Nxe6 (15. Ra6 $16) 15... Qxe6 $14 16. O-O (16. Ra6 $14) 16... Rf7 17. Ra6 Rd8 ({Better is} 17... Nd3 $11) 18. Be3 ({White should try} 18. f4 $1 $14 Nd3 19. e5) 18... Qe7 {[#]} (18... Nd3 $11 {remains equal.}) 19. Nd5 (19. Bg5 $1 $16) 19... Nxd5 20. Qxd5 Kh8 {Loses the game.} (20... Rd7 $14) 21. Rd1 $18 Nd3 22. Bxd3 cxd3 23. Rxd3 Rd7 (23... Be5 $142) 24. Rxd6 Rxd6 25. Qxd6 Qxe4 {[#]} 26. Qb8+ (26. Bxc5 $2 Qe1+ 27. Kh2 Be5+ 28. g3 Bxd6 $19) 26... Rf8 27. Rd8 $40 {[%mdl 128] White attacks with force.} Qb1+ (27... Kg8 $142 28. Rxf8+ (28. Bxc5 $2 Qe1+ 29. Kh2 Qe5+ 30. Qxe5 Bxe5+ 31. f4 Bxf4+ 32. g3 Rxd8 $19) 28... Bxf8 29. Bxc5 (29. Qxa7 Bd6 $18) 29... Qb1+ 30. Kh2 Qf5) 28. Kh2 Qf5 {White must now prevent ...Be5+.} 29. Rxf8+ Bxf8 30. g4 ({Resist} 30. Qxa7 $6 Qh5+ 31. Kg3 Bd6+ 32. f4 Qg5+ 33. Kf2 Qh4+ 34. Kf3 Qh5+ 35. Kg3 (35. Kf2 Qh4+ 36. Kf1 Qh1+ 37. Kf2 Qh4+ $16) 35... Qg5+ 36. Kf2 Qh4+ 37. Kf1 Qh1+ 38. Kf2 Qh4+ $16) 30... Qf6 31. Kg2 Qd6 32. Bf4 Qxb8 (32... Qd5+ 33. f3 Kg8) 33. Bxb8 {[%mdl 4096] Endgame KB-KB} c4 34. Bxa7 Bg7 35. Kf3 Bxb2 36. Ke4 {White mates.} Ba3 37. Bd4+ Kg8 38. b6 Bd6 39. Kd5 Bb8 40. Be5 {Weighted Error Value: White=0.10/Black=0.50} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.10"]
[Round "2.4"]
[White "Gharibyan, Mamikon"]
[Black "Lazavik, Denis"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2432"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,132,25,29,19,31,17,17,8,8,8,0,0,0,-31,-14,-26,0,-25,-33,-29,-37,-39,-29,-39,-28,-38,-31,-30,-32,-47,-52,-67,-24,-33,-29,-38,-26,-33,-32,-30,0,0,0,0,0,-7,0,0,0,0,0,0,0,-90,-95,-88,-87,-95,0,-99,0,0,0,0,198,185,229,0,0,0,0,2,55,49,49,49,49,60,61,49,49,49,49,49,49,49,49,49,49,49,49,49,66,49,59,59,66,49,75,71,69,61,62,62,66,49,66,60,68,68,68,68,68,68,68,0,68,0,68,0,64]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Rb1 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 9. g3 Bb4 {[#]} 10. a3 $146 ({Predecessor:} 10. Qb3 a5 11. a3 Bxc3+ 12. Qxc3 a4 13. Bg2 O-O 14. O-O Nb6 15. c5 Nc4 16. Rd1 {1-0 (35) Nakamura,H (2736)-Jobava,B (2603) chess.com INT 2020}) 10... Bxc3+ 11. bxc3 Rb8 12. Bg2 Nb6 13. c5 Nc4 14. Qa4 Qa5 15. Rb4 Qxa4 16. Rxa4 b6 17. Rxa7 bxc5 18. Rc7 Na5 19. O-O O-O 20. a4 Rb3 21. c4 Nxc4 22. Rxc6 cxd4 23. exd4 Rd3 24. Bf4 Rxd4 25. Ra1 Ra8 26. Bf1 e5 (26... g5 $5 27. Bxg5 Ne5 28. Bxf6 Nxc6 29. Bxd4 Nxd4 $11) 27. Bxc4 exf4 28. Bb5 Rb4 $36 {[%mdl 2048] White must now prevent ...Rxb5! Black fights for an advantage.} 29. Rac1 fxg3 30. hxg3 Ne4 31. Rc7 Rb2 32. Bc6 Rd8 33. Ra1 (33. Bb7 $1 $11 {keeps the balance.}) 33... Nxf2 $17 ({Not} 33... Rxf2 34. a5 $14) 34. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Nh3+ $1 35. Kh1 {[#]} Rd6 (35... Ng5 $1 $17 {[%cal Rg5f3]} 36. Kg1 Rc2) 36. Bd7 {[#]} (36. a6 $11 Re6 37. Rb7 (37. Bxd5 {gets mated.} Ree2 38. Bxf7+ Kh7 39. Bxg6+ Kxg6 40. Rc6+ Kh7 41. Rc2 Rexc2 42. g4 Rh2#)) 36... Nf2+ (36... Ng5 $1 $17 {[%cal Rg5f3] ( -> ...Nf3)} 37. Ba4 d4 38. Rc8+ Kh7) 37. Kg1 $11 {Threatens to win with a6.} Ra6 38. Bc8 $1 {[%cal Rc8a6]} Ra8 (38... Rf6 $1 $11 {and Black is okay.} 39. a6 Rf3) 39. a6 $18 Ne4 40. Bb7 $2 ({Better is} 40. Bd7 $18) 40... Ra7 $11 {aiming for ...Nd6.} 41. Rc8+ Kh7 42. Bxd5 Nd6 (42... Nxg3 $11 43. Ra8 Ne2+ 44. Kf2 Nd4+ 45. Kf1 Rxa8 46. Bxa8 Nb5) 43. Ra8 Rxa8 44. Bxa8 $14 {[%mdl 4096] Endgame Bd5 is the strong threat. KRB-KRN} Nb5 45. Bd5 ({But not} 45. a7 $6 Nxa7 46. Rxa7 f6 $16) 45... f5 46. a7 Nxa7 47. Rxa7 {KRB-KR} Rb6 48. Kf2 Kh6 49. Rc7 Rd6 50. Bc4 Rd2+ 51. Be2 Rd6 52. Rf7 Rb6 53. Ke3 Re6+ 54. Kf3 Rc6 55. Re7 Rc3+ 56. Kf4 Rb3 57. Re8 {[%cal Re8h8]} (57. Rc7 {keeps more tension.} Kh7 58. Rc8 Ra3 59. Rc1 g5+ 60. Kxf5 Rxg3 61. Bh5) 57... Rb4+ 58. Ke3 Kg5 59. Bd3 Rb3 60. Re6 Ra3 61. Rd6 Rb3 62. Kf3 Ra3 63. Kf2 Ra2+ 64. Kf3 Ra3 65. Kf2 Ra2+ $1 66. Kf3 Ra3 {Weighted Error Value: White=0.20/Black=0.14} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.10"]
[Round "2.5"]
[White "Lobanov, Sergei"]
[Black "Makaryan, Rudik"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,16,28,23,38,33,29,32,53]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 h6 6. b4 Be7 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. Qb3 O-O 8. a4 d6 {[#] Not enough moves} {Predecessor:} 9. h3 $146 Nb8 10. Qa2 c6 11. Bb3 a5 12. O-O Nbd7 13. Ba3 Nh5 14. d4 Nf4 15. Rd1 {1-0 (36) Baciu,D (2263)-Zahn,A (2112) Germany 2016} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.11"]
[Round "3.1"]
[White "Makaryan, Rudik"]
[Black "Barseghyan, Armen Ar."]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2461"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,125,44,47,56,56,71,59,81,59,89,85,88,93,101,92,121,81,80,87,80,75,94,97,92,112,101,28,35,28,31,41,37,37,30,32,32,29,45,41,42,54,81,74,68,70,74,64,84,66,101,103,136,129,160,152,425,421,450,441,475,445,1890,1615,1985,1951,1980,2002,1887,1841,1674,1561,29965,29966,29965,29967,29967,29968,29968,29969,29969,29969,29971,29971,29971,29972,29973,29974,29974,29975,29975,29976,29976,29977,29977,29978,29978,29979,29979,29978,29977,29979,29979,29980,29980,29981,29981,29982,29982,29983]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. h3 Bg7 8. e4 O-O 9. Bd3 Re8 10. O-O Nbd7 {is recently more successful than 10...c4. A70: Modern Benoni: 6 e4 g6 7 Nf3.} 11. a4 c4 12. Bc2 {[#]} ({Much worse is} 12. Bxc4 Nxe4 13. Nxe4 Rxe4 $11) 12... Nc5 $146 {[%cal Rf6e4] [#]White is slightly better.} ({Predecessor:} 12... b6 13. Bf4 Nc5 14. Re1 Bb7 15. Nd4 a6 16. f3 Nxd5 17. Nxd5 Bxd5 18. Ne2 Be6 {0-1 (79) Prieb,R (1470)-Creanga,R (1809) Prague 2016}) 13. Re1 Nfd7 14. Bf4 Ne5 15. Nxe5 Bxe5 16. Bxe5 Rxe5 17. Qd4 Qh4 18. Re3 Rg5 {White should prevent ...Bxh3.} 19. Kf1 {aiming for Qf6.} Qf4 {Hoping for ...Qh2.} 20. Rf3 Qe5 21. Qxe5 Rxe5 22. Rf6 (22. Nb5 $16) 22... Kf8 $1 $11 23. f4 Rxe4 24. Nxe4 Nxe4 25. Bxe4 Ke7 {[#]} 26. Rxf7+ $1 Kxf7 {[%mdl 4096] Endgame KRB-KRB} 27. Rc1 b6 28. Kf2 Ba6 29. Ke3 Rc8 30. Kd4 Rc5 31. Rc3 Ra5 32. Ra3 Rc5 33. g4 Rc8 34. h4 Re8 35. g5 Kg7 36. h5 gxh5 $2 {Loses the game.} (36... Rf8 $16) 37. Rh3 $18 h6 {intending ...hxg5.} 38. Rxh5 Rh8 39. f5 Bc8 (39... c3 $142 40. bxc3 Bc8) 40. f6+ Kf7 41. Rxh6 Rxh6 42. gxh6 {Threatening mate with h7.} Kxf6 43. Kxc4 {KB-KB} Bd7 44. a5 bxa5 45. Kd4 {White mates.} Bb5 46. Ke3 Bd7 47. Kf4 Bb5 48. h7 Kg7 49. Kg5 Ba4 50. h8=Q+ Kxh8 51. Kf6 Kg8 52. Ke7 Kg7 53. Bg2 Bd1 54. Kxd6 Kf6 55. Kc7 Ke5 56. d6 Bg4 57. Bc6 Kd4 58. Bd7 Be2 59. Ba4 Bg4 60. b3 Kc5 61. d7 Bxd7 62. Bxd7 Kb4 {[#]} 63. Ba4 $1 {Weighted Error Value: White=0.04/Black=0.24} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.11"]
[Round "3.2"]
[White "Lazavik, Denis"]
[Black "Lobanov, Sergei"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2436"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,81,8,14,15,7,22,6,2,55,49,35,53,41,55,64,0,25,26,31,18,21,23,25,25,35,10,18,12,16,18,48,2,2,2,2,2,2,2,2,2,2,2,8,7,8,2,2,2,8,8,16,16,16,16,16,16,16,16,16,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bxf6 Bxf6 8. Rc1 c6 9. Bd3 Nd7 10. O-O a6 11. Qc2 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6.} dxc4 12. Bxc4 c5 {[#]} 13. Rfd1 $146 {Black should prevent dxc5.} ({Predecessor:} 13. dxc5 Nxc5 14. Rfd1 Qe7 15. Be2 b5 16. a3 Nd7 17. Ne4 Bb7 18. Nxf6+ Nxf6 19. Qc7 Qxc7 {½-½ (19) Kogan,B (2289)-Sodomski,A (2250) ICCF email 2015}) 13... cxd4 (13... b5 $11 14. Bd3 cxd4 15. exd4 Bb7) 14. Nxd4 $14 Qe7 15. Ne4 Be5 16. a3 Nf6 17. Ba2 (17. Nf3 $14 Bxb2 18. Qxb2 Nxe4 19. Be2) 17... Bxd4 18. Rxd4 e5 $1 {[%cal Re5d4]} 19. Rc4 Bd7 $1 20. Rc7 Rac8 21. Bb1 {[#] White threatens Nxf6+ and mate.} g6 {aiming for ...Rxc7.} 22. Qd1 {And now Nxf6+ would win.} Nxe4 23. Bxe4 Rxc7 24. Rxc7 Rc8 $1 {[%cal Rc8c7]} 25. Qc2 ({Not} 25. Rxd7 $2 {[#]} Qxd7 $3 {[%mdl 512]} 26. Qe1 f5 $19) (25. Rxb7 {seems wilder.} Qd6 26. Qe1 Be6 27. h3 Rc4 28. Rb4) 25... Qd8 {The position is equal.} 26. Rxc8 Qxc8 27. Qxc8+ Bxc8 $11 {[%mdl 4096] Endgame KB-KB} 28. f4 exf4 29. exf4 Kf8 30. Kf2 Ke7 31. Ke3 Kd6 32. b4 b6 33. Kd4 Bd7 34. h4 Be8 35. g4 f6 36. g5 fxg5 37. fxg5 hxg5 38. hxg5 a5 39. bxa5 bxa5 40. Bd5 Bd7 41. Ke4 {Weighted Error Value: White=0.09/Black=0.05} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.11"]
[Round "3.3"]
[White "Babujian, Levon"]
[Black "Gharibyan, Mamikon"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2440"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,0,0,0,6,-2,-1,-1,0,0,0,-6,12,0,19,0,5,0,0,0,8,10,9,11,9,0,0,0,0,0,0,0,0,0,1,24,26,20,40,0,201,179,190,193,190,191,184,170,528,516,1321,1277,4902,347,308,336,29993,29993,29994,29995]} 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Na5 5. Nge2 Bc5 6. O-O {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6.} d6 7. Ng3 Nxc4 8. dxc4 {The position is equal.} Be6 9. Qd3 Nd7 10. b3 g6 11. Be3 O-O {[#]} 12. Rad1 $146 ({Predecessor:} 12. Bxc5 Nxc5 13. Qe3 f5 14. exf5 gxf5 15. f4 e4 16. Rad1 Nd7 17. Nb5 Nf6 18. Nd4 {0-1 (66) Valles Moreno,I (2417)-Grigoryan,K (2600) Madrid 2015}) 12... a6 13. Bh6 Re8 14. Nf5 Bxf5 15. exf5 Qh4 16. Be3 e4 17. Qd2 Bb4 $1 18. fxg6 hxg6 19. a3 Bxc3 (19... Bxa3 $6 20. Nd5 $16) 20. Qxc3 Ne5 21. h3 Nf3+ 22. Kh1 Re5 23. Rd5 Rae8 24. Rfd1 g5 $2 {[#]} 25. c5 $1 $18 {[%cal Rc5d6]} (25. gxf3 $2 {leads to mate.} Qxh3+ 26. Kg1 exf3 27. Rxe5 Qg2#) 25... g4 {With the idea ...Qh5.} 26. cxd6 cxd6 27. Rxd6 {Rh6 is the strong threat.} (27. gxf3 $2 {is a self mate.} Qxh3+ 28. Kg1 gxf3 29. Rxe5 Qg2#) 27... Ng5 {White must now prevent ...Nxh3!} 28. Bf4 Nxh3 $2 (28... R5e6 {is a better chance.}) 29. gxh3 (29. Bxe5 $2 {loses.} Nf4+ 30. Kg1 Ne2+ 31. Kf1 Nxc3 $19) 29... e3 (29... Rh5 $142) 30. Bxe5 Qxf2 31. Rg6+ $2 fxg6 32. Qc4+ {[%mdl 64] [#] Double Attack} Kh7 $2 (32... Qf7 $18 33. Qxf7+ Kxf7) 33. Qc7+ {[%mdl 64] Double Attack} Kh6 34. Bf4+ {Weighted Error Value: White=0.33/Black=0.47} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.11"]
[Round "3.4"]
[White "Sargsyan, Anna M."]
[Black "Mikaelyan, Arman"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2402"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,111,23,10,22,12,18,14,44,21,47,48,40,25,85,54,46,28,25,39,20,12,22,-54,14,-22,2,-77,-85,-170,-158,-154,-164,-72,-16,-47,-41,-45,-45,-49,-24,-35,9,7,30,24,46,50,104,47,110,100,87,121,152,144,154,129,121,132,123,0,0,0,0,-66,-49,-110,0,0,0,0,145,150,170,0,0,0,548,534,1471,1366,1370,1314,29970,12827,2684,1357,29980,29980,29985,29986,29986,29987,29990,29991,29991,5273,29961,6172,6115,5197,5373,5315]} 1. d4 {RR} g6 2. g3 Bg7 3. Bg2 c5 4. c3 Qa5 5. d5 d6 6. e4 Nf6 {A40: Unusual replies to 1 d4.} 7. Ne2 O-O 8. O-O {[#]} Qa6 $146 {The position is equal.} ({Predecessor:} 8... Nbd7 9. h3 b5 10. Be3 Bb7 11. Nd2 e6 12. dxe6 fxe6 13. e5 Nd5 14. exd6 Nxe3 15. fxe3 Bxg2 16. Kxg2 {0-1 (33) Luch,M (2385)-Krasenkow,M (2622) Katowice 2010 EXT 2016 [RR]}) 9. h3 e6 10. dxe6 Bxe6 11. Nf4 Bc8 (11... Bd7 $11) 12. Re1 Nbd7 13. g4 Ne5 14. g5 Ne8 15. Bf1 c4 16. b3 (16. Nd5 $11) 16... Nc7 (16... f6 $15 17. gxf6 Nxf6) 17. a4 f6 18. Na3 (18. gxf6 $11 Rxf6 19. Na3) 18... fxg5 $17 19. Nxc4 (19. Nd5 $17 Nxd5 20. Qxd5+ Kh8 21. Re3) 19... gxf4 $19 20. Nxe5 Qa5 {[%cal Ra5e5]} (20... b5 21. Nd3 $11) 21. Nf3 Be6 (21... Qh5 $17 22. e5 dxe5) 22. Bb2 Qh5 (22... Bxc3 $2 23. Bxc3 Qxc3 24. Rc1 $18) 23. Nd4 Qg5+ 24. Kh1 Bf7 25. Qg4 Qf6 26. c4 h5 27. Qf3 Rae8 28. Rad1 g5 (28... Qg5 $14) 29. Bc3 (29. Ba3 $1 $16) 29... Qg6 (29... g4 $14 30. hxg4 Ne6) 30. Nf5 $16 {[%mdl 64] Discovered Attack} g4 31. Qd3 Bxc3 32. Qxc3 d5 33. cxd5 Nxd5 34. Qc5 (34. exd5 $6 Rxe1 35. Qxe1 Qxf5 $11) 34... b6 35. Qd4 (35. Qc1 $16) 35... Ne7 $1 $11 36. Nd6 Rd8 37. e5 (37. Bc4 $11) 37... Bd5+ $15 (37... Bxb3 $6 38. Bc4+ Bxc4 39. Qxc4+ Kh7 40. Qc7 $14) 38. Kg1 Be6 ({Better is} 38... Qg7 $17 39. Rd2 Kh8) 39. Bd3 $36 {[%mdl 2048] White has good play.} Qg7 40. h4 Ng6 (40... g3 $11 {remains equal.} 41. Bc4 gxf2+ 42. Kxf2 Qg3+ 43. Ke2 Qg2+ 44. Kd3 Bxc4+ 45. Qxc4+ Kh8) 41. Bc4 $16 Qd7 42. Nf5 Qc8 $1 $11 43. Nd6 Nxh4 $2 {[%mdl 8192] [#]} (43... Qd7 $11 {and Black has nothing to worry.}) 44. Qe4 $1 $18 Rxd6 45. exd6 ({Less strong is} 45. Rxd6 Bxc4 46. bxc4 (46. Qxc4+ $2 Qxc4 47. bxc4 Nf3+ {[%mdl 64] Double Attack} 48. Kf1 Nxe1 $19) 46... Qf5 $18) 45... Bxc4 46. d7 {[%mdl 64] Zwischenzug} ({Worse is} 46. Qxc4+ Qxc4 47. bxc4 Nf3+ 48. Kg2 Nxe1+ 49. Rxe1 Rd8 $15) 46... Qd8 47. Qxc4+ Kg7 48. Qd4+ Kh7 49. Qe4+ Kh8 50. Qe5+ Kg8 51. Qe6+ Kh8 52. Qh6+ Kg8 53. Re8 (53. Re6 $142 b5 54. Qxh5 {[%mdl 64] Double Attack} Nf5 55. Re8 Ng7 56. Rxd8 Rxd8 57. Qg6 g3 58. Rd6) 53... Rxe8 {[#]} 54. dxe8=Q+ (54. Qg5+ $142 $3 {[%mdl 512]} Kf7 55. dxe8=B+ Qxe8 56. Qxh4 Kg6 57. Rd6+ (57. Rd5 Qe1+ 58. Kh2 g3+ 59. fxg3 Qe2+ 60. Kg1 Qe1+ 61. Kh2 Qe2+ 62. Kg1 Qe1+ 63. Kh2 $11) 57... Kh7 58. Kf1 Qe5 59. Qd8 Qa1+ 60. Rd1 Qxd1+ 61. Qxd1) 54... Qxe8 55. Qg5+ {[%mdl 64] Double Attack} Ng6 56. Rd8 {What a fight!  Weighted Error Value: White=0.20/Black=0.64} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.11"]
[Round "3.5"]
[White "Hayrapetyan, Hovik"]
[Black "Daneshvar, Bardiya"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2488"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,13,24,21,12,14,11,0,16,10,26,11,6,18,41,34,29,42,50,35,48,-53,268,294,309,310,463,468,433,415,419,422,554,563,556,552,577,550,556,542,623,368,395,307,696,524,525,515,573,477,488,518,491,477,480,479,476,445,441,426]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bg4 5. Nc3 e6 6. h3 Bxf3 7. Qxf3 Bb4 8. Bd3 Nbd7 9. O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} O-O 10. Qd1 Qe7 11. a3 {[#] The position is equal.} Bd6 $146 ({Predecessor:} 11... dxc4 12. Bxc4 Bd6 13. e4 e5 14. d5 Nb6 15. Ba2 cxd5 16. exd5 e4 17. Re1 Qe5 {1-0 (66) Dautov,R (2582)-Mainka,R (2492) Germany 2007}) 12. c5 Bc7 13. f4 b6 14. b4 bxc5 15. bxc5 {aiming for Qa4.} e5 $1 16. fxe5 Nxe5 17. dxe5 Qxe5 {[#]} 18. Rf2 d4 $2 {[%mdl 8192] Black cannot hold the game after this.} ({Reject} 18... Qxc3 $6 19. Bb2 $14) (18... Rae8 $1 $15 {keeps the upper hand.} 19. Kf1 Ba5) 19. exd4 $18 Qh2+ 20. Kf1 Bg3 {[#]} (20... Rfe8 $142 21. Rxf6 Qh1+ 22. Kf2 Re1) 21. Rxf6 $1 Qh1+ 22. Ke2 Qxg2+ 23. Ke3 Rfe8+ 24. Be4 {[%mdl 64] Double Attack} gxf6 25. Qg4+ Kf8 26. Kd3 Qf1+ 27. Qe2 Qxh3 28. Qg2 Qh4 29. Qh1 Bh2 $2 (29... Qxh1 30. Bxh1 Re6 31. Bh6+ Ke7) 30. Qf3 {White is clearly winning.} Rad8 31. Be3 f5 32. Bxc6 Be5 {[%cal Rd8d4]} 33. Rh1 Rxd4+ 34. Kc2 Qg4 35. Bxd4 Qxf3 36. Bxf3 Bxd4 37. c6 {Weighted Error Value: White=0.31/Black=0.66} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.12"]
[Round "4.1"]
[White "Barseghyan, Armen Ar."]
[Black "Daneshvar, Bardiya"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2362"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,143,-6,14,25,26,31,31,23,24,18,7,0,14,10,16,9,9,8,13,15,63,73,72,50,32,41,44,17,26,0,8,9,11,0,0,0,0,-5,-2,-2,-4,-18,-18,-18,-18,-16,-18,-19,-18,-20,-8,-11,-14,-11,-14,-56,-56,-56,-56,-57,-57,-306,-289,-350,-328,-249,-122,-92,-14,-14,-14,-14,-14,-14,-13,-13,-13,-13,-13,-13,-13,-13,-13,-13,-13,-13,0,-13,0,-13,0,0,0,-13,0,0,0,-13,-13,-13,0,-13,-13,-13,-13,-13,-13,-13,-13,-13,0,-13,0,-13,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Ne4 7. Nxe4 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} dxe4 8. d5 Ne5 9. Qd4 {White is slightly better.} f6 10. Qxe4 Qb6 11. Bd2 {Threatens to win with b4.} Qxb2 {[#]} 12. Rd1 $146 ({Predecessor:} 12. Rb1 Qxa2 13. c5 g6 14. Bb5+ Kf7 15. Rc1 Bf5 16. Qd4 Rd8 17. f4 Rxd5 18. Bc4 Qxc4 19. Rxc4 Rxd4 20. Rxd4 {1-0 (65) Zwirs,N (2395)-O'Donnell,C (2342) chess.com INT 2017}) 12... g6 13. Nf3 Bf5 14. Qe3 Nxf3+ 15. Qxf3 Bg7 16. Be2 Bc2 17. Bc3 Qa3 18. Rd2 Be4 19. Qxe4 (19. Qe3 {keeps more tension.} O-O 20. O-O f5 21. Bd4 Qxe3 22. Bxe3 f4 23. Bc5) 19... Qxc3 20. Qc2 (20. d6 {feels hotter.} O-O 21. Qd5+ Kh8 22. O-O exd6 23. Rfd1) 20... Qxc2 21. Rxc2 b6 22. c5 bxc5 23. Rxc5 f5 24. O-O Be5 25. Ra5 Kf7 26. Bc4 Rhc8 27. Bb3 Bd6 28. Ra6 Rc3 29. g3 h5 30. Kg2 h4 31. Re1 Kg7 32. gxh4 Rh8 33. Rxa7 Rxh4 34. h3 Rcxh3 {[#] Strongly threatening ...Rh2+.} 35. Rexe7+ Bxe7 36. Rxe7+ $2 $15 {[%mdl 4096] Endgame KRR-KRB} (36. d6 $1 $15 Rh2+ 37. Kf3 R2h3+ 38. Kg2) 36... Kf6 $19 37. d6 Rd3 38. Rf7+ {[#]} Ke5 (38... Kg5 $1 $19 {has better winning chances.} 39. d7 Re4) 39. d7 $17 Rhd4 ({Black should try} 39... Rg4+ $17 40. Kf1 Rgd4) 40. Re7+ $11 Kf6 41. Rf7+ Kg5 42. Be6 Rd6 43. Re7 Kf6 44. Re8 Rxe6 45. d8=Q+ Rxd8 46. Rxd8 {KR-KR} Ra6 47. Rd2 Kg5 48. Kg3 Ra7 49. f3 Ra6 50. Rb2 Kf6 51. Re2 g5 52. Kf2 Ra3 53. Kg2 Kg6 54. Kf2 Kh5 55. Kg2 $1 Kh4 (55... Ra7 {with more complications.} 56. Rb2 Ra8 57. Kg3 Ra5 58. Kg2 Ra6) 56. Rb2 (56. f4 {is more complex.} gxf4 57. Re6 f3+ 58. Kf2 Kg4 59. Rg6+) 56... f4 57. Rc2 Rd3 58. Rb2 Rd1 59. Rc2 Kh5 60. Re2 Kg6 61. Kf2 Kf5 62. Kg2 Ra1 $2 {[%mdl 8192]} (62... Rd3 $11) 63. Kf2 g4 64. fxg4+ $1 Kxg4 65. Rb2 {Mate.} Rh1 {( -> ...Rh2+)} 66. Rb3 Rh2+ 67. Kf1 Rxa2 68. Rc3 Kf5 69. Rb3 Ke4 70. Rc3 Rh2 71. Ra3 f3 72. Ra8 {[%mdl 32768] Weighted Error Value: White=0.10/Black=0.09. An unexpected result.} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.12"]
[Round "4.2"]
[White "Mikaelyan, Arman"]
[Black "Hayrapetyan, Hovik"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2485"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,155,0,16,8,17,6,8,12,14,10,22,20,36,38,39,42,37,31,46,14,14,21,29,14,14,20,35,42,102,70,104,40,41,43,35,60,59,33,166,168,176,177,937,935,889,880,916,909,844,14,10,10,10,11,19,6,4,6,8,4,50,39,39,40,49,47,49,42,129,131,164,164,163,161,161,137,152,28,63,24,25,20,20,20,20,12,20,8,8,8,8,8,20,20,20,20,20,20,26,20,26,24,27,26,27,26,27,24,26,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,22,22,22,22,22,22,22,22,22,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 O-O 6. e3 b6 7. Bd3 Bb7 8. O-O Nbd7 9. Qe2 Ne4 10. Bf4 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Bd6 {[#]} 11. cxd5 $146 ({Predecessor:} 11. Bxd6 Nxd6 12. cxd5 exd5 13. b4 c5 14. bxc5 bxc5 15. Rab1 cxd4 16. Nxd4 Nc5 17. Rfc1 Rc8 {1-0 (36) Ivanov,I (2505)-Granda Zuniga,J (2540) New York 1988}) 11... Nxc3 12. bxc3 Bxd5 13. Bg3 Bxg3 14. hxg3 Qe7 15. e4 Bb7 16. a4 a5 17. e5 Rfd8 18. Be4 Bxe4 19. Qxe4 Rac8 20. Rfd1 h6 21. c4 Nb8 22. g4 Na6 (22... Nd7 $14) 23. Rd2 Nb4 {[#]} 24. Rad1 ({White should try} 24. g5 $1 $16) 24... c5 25. g5 {Threatens to win with d5.} cxd4 26. gxh6 d3 27. hxg7 f5 (27... Kxg7 $14 28. Qg4+ Kf8) 28. exf6 $1 $18 Qxf6 29. Ne5 Qf5 $2 (29... Rc7 30. Ng4 (30. Nxd3 Rcd7 $14) 30... Qg5 31. Qxe6+ Kxg7) 30. Qh4 {[%csl Gg7][%cal Rh4h8]} Kxg7 31. Re1 Rh8 32. Qe7+ Kg8 33. g4 $2 ({White has to play} 33. Qd7 $18 Rf8 34. Re3 Rh1+ {[%mdl 64] Decoy} 35. Kxh1 Qh7+ 36. Qxh7+ Kxh7 37. Kg1) 33... Rh7 $1 $11 34. gxf5 Rxe7 35. f6 Rf7 36. Nxf7 Kxf7 {[%mdl 4096] Endgame KRR-KRN} 37. Re4 Kxf6 38. f3 Na6 39. Rxd3 Nc5 40. Rf4+ Ke5 41. Rdd4 Nxa4 42. Kf2 Nc3 {[#]} (42... Nb2 $14) 43. Rh4 $1 $16 b5 44. cxb5 Nxb5 45. Rde4+ Kd6 46. Rh6 Nc7 47. f4 (47. Ra4 $16) 47... Ra8 48. Rd4+ Kc5 49. Rd1 a4 50. Rc1+ Kd6 51. Ra1 a3 52. Rh3 a2 53. Rd3+ Nd5 54. Rd2 Rf8 55. Raxa2 {And now Kg3 would win.} Rxf4+ 56. Kg3 {Black must now prevent Rxd5+!} Re4 57. Rh2 Re3+ 58. Kg4 Rc3 59. Rh6 Nc7 60. Rh8 Rc5 61. Rf8 Ke7 62. Raf2 (62. Rc8 {is more complex.} Rc3 63. Rh8 Kd6 64. Rd8+ Ke7 65. Rdd2) 62... Rc4+ 63. Kg5 Rc5+ 64. Kg6 Rf5 65. R8xf5 exf5 66. Kxf5 $11 {KR-KN} Ne8 67. Re2+ Kd7 68. Ke5 Nc7 69. Rc2 Nb5 70. Rh2 Kc6 71. Rd2 Nc7 72. Rc2+ Kd7 73. Rc5 {The position is equal.} Ne8 74. Rb5 Kc6 75. Rb8 Nc7 76. Rc8 Kd7 77. Rxc7+ Kxc7 78. Ke4 {Weighted Error Value: White=0.30/Black=0.15} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.12"]
[Round "4.3"]
[White "Gharibyan, Mamikon"]
[Black "Sargsyan, Anna M."]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2432"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,53,28,24,0,2,0,52,31,40,43,43,33,28,45,193,187,200,179,278,102,324,312,758,358,387,384,606,366,459,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 b6 6. Bg2 Bb7 7. O-O c5 8. d4 cxd4 9. Qxd4 Nc6 10. Qe3 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} d5 11. Rd1 {[#]} Ng4 $146 (11... Qc7 $11) ({Predecessor:} 11... Qc7 12. Na3 Rad8 13. cxd5 Nxd5 14. Qc1 Bxb2 15. Qxb2 Nf6 16. Rdc1 Qd7 17. Nc4 Nd4 18. Qxd4 Qxd4 19. Nxd4 Bxg2 {1-0 (76) Semjonovs,I (2401)-Van Dael,S (2207) Skopje 2019}) 12. Qc1 $14 {Bxg7 is the strong threat.White is slightly better.} d4 $1 13. e3 {[%cal Re3d4]} e5 {[#]} 14. Nc3 $1 {[%cal Bb1c3,Bc3d5,Bd5e3][%mdl 32]} Bh6 {White must now prevent ...Nxf2.} 15. Nd5 f5 (15... dxe3 $14 16. fxe3 (16. Nxe3 Qc7 $11) 16... Re8) 16. h3 $18 Nxf2 17. Kxf2 Qb8 (17... Rc8 $142 18. h4 Qxd5 {[%mdl 64] Remove Defender} 19. cxd5 Bxe3+ 20. Qxe3 dxe3+ 21. Kxe3 Nb4 22. Nxe5 Nc2+ 23. Kf4 Nxa1 24. Bxa1 Rc2) 18. Qc2 $2 (18. h4 $18 {has better winning chances.}) 18... dxe3+ $2 (18... Nb4 $16 19. Nxb4 Bxe3+ 20. Kf1 e4 21. Nxd4 (21. Bxd4 exf3 22. Bxe3 Qxg3 $11) 21... Qxg3) 19. Nxe3 f4 $2 (19... Rf7 20. Nd5 e4 21. Nf6+ (21. Qc3 Bg7 $14) 21... Rxf6) 20. gxf4 (20. Ng4 $142 Bg7 21. Rd7) 20... Bxf4 21. Nd5 Nd4 (21... Bh2 $142 22. Ke2 Bg3) 22. Qe4 {[#] Strongly threatening Rxd4.} Nf5 23. Kg1 $2 ({White should play} 23. Nxe5 $18 Bxe5 24. Qxe5 Qxe5 25. Bxe5) 23... Be3+ $11 {The position is equal.} 24. Kh2 Bf4+ 25. Kg1 Be3+ $1 26. Kh2 Bf4+ 27. Kg1 {Weighted Error Value: White=0.80/Black=0.59} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.12"]
[Round "4.4"]
[White "Lobanov, Sergei"]
[Black "Babujian, Levon"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2510"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,111,0,0,43,39,54,53,48,52,60,43,47,45,45,44,42,50,36,23,25,13,6,6,21,25,18,15,28,39,41,5,12,5,13,13,13,13,13,13,14,17,89,76,178,178,178,176,176,176,176,176,165,165,158,160,162,163,163,172,173,0,0,0,164,172,216,216,267,259,314,313,300,293,5188,3847,29982,2470,29983,29983,29983,29982,29982,29983,29984,7004,12237,6797,29983,29984,29984,29985,29985,29986,29986,29987]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. Nc3 d6 9. a3 Bg4 {9...Na5 might become the main line.} 10. Be3 Kh8 {C84: Closed Ruy Lopez: Unusual White 6th moves.} (10... Nd4 $5) 11. h3 {[#]} Bxf3 $146 ({Predecessor:} 11... Be6 12. Nd5 Na5 13. Ba2 Nxd5 14. exd5 Bd7 15. b4 Nb7 16. c4 a5 17. c5 dxc5 18. bxc5 Bxc5 19. Nxe5 Bxe3 20. fxe3 {½-½ (42) Paehtz,E (2464)-Kosteniuk,A (2557) Riadh 2017}) 12. Qxf3 Nd4 {White is slightly better.} 13. Bxd4 exd4 14. Nd5 Nd7 15. a4 {Threatens to win with axb5.} c6 16. Nxe7 Qxe7 17. axb5 Ne5 18. Qg3 {Hoping for f4.} axb5 19. f4 {Strongly threatening Rxa8.} Nd7 20. Qf2 c5 21. Bd5 Rxa1 22. Rxa1 Nf6 23. Bc6 Rb8 24. Ra5 b4 25. Ba4 Qd8 26. Ra7 Ra8 27. Rxa8 Qxa8 28. Bb3 d5 29. e5 Nd7 (29... Ng8 $1 $11) 30. Qh4 $16 {And now Qe7 would win.} f6 (30... c4 $16 31. dxc4 Nc5) 31. Qg4 $18 Qc6 32. e6 $36 {[%mdl 2048] Black is under strong pressure.} Nb6 33. e7 Kg8 {[#]} 34. Qh5 g6 {[#]} 35. Bxd5+ $1 {[%mdl 512]} Nxd5 {[#]} 36. Qxd5+ {[%mdl 512]} Qxd5 37. e8=Q+ {[%mdl 4096] Endgame KQ-KQ} Kg7 38. Qe7+ Kg8 39. Qe8+ $2 ({Only move:} 39. Qxf6 $18 c4 40. Qa6) 39... Kg7 $11 40. Qe7+ $2 (40. Kf2 $11) 40... Kg8 $18 {White now steadily converts the win.} 41. Qxf6 b3 {[#]} 42. c3 Qa8 43. Qe6+ Kg7 44. Qxb3 Qa1+ 45. Kh2 Qc1 $2 (45... Qa7 46. cxd4 Qc7) 46. Qb7+ Kh6 47. Qb8 (47. Qf7 $142 Qd2 48. Qf8+ Kh5 49. Qxc5+ Kh6 50. Qf8+ Kh5 51. cxd4 h6 52. d5) 47... Qd2 48. Qf8+ Kh5 49. Qxc5+ Kh6 50. Qxd4 Qxb2 51. Qd6 (51. Qf6 $142 Qb8 52. d4 Qg8 53. d5 Qb8 54. d6 Qa7 55. c4 Qd7 56. c5) 51... Kg7 52. c4 Qf2 53. c5 {White mates.} h5 54. c6 h4 55. Qe5+ Kf7 56. c7 {Weighted Error Value: White=0.11/Black=0.66} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.12"]
[Round "4.5"]
[White "Makaryan, Rudik"]
[Black "Lazavik, Denis"]
[Result "0-1"]
[ECO "D17"]
[WhiteElo "2461"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,163,21,21,9,15,0,0,0,0,0,6,0,7,-29,-24,-47,-43,-32,-25,-96,-82,-101,-93,-131,-148,-185,-180,-179,-182,-246,-240,-241,-253,-241,-241,-283,-274,-317,-316,-285,-297,-378,-351,-470,-465,-436,-279,-310,-338,-361,-347,-331,-301,-287,-286,-398,-385,-366,-350,-468,-462,-495,-482,-589,-569,-575,-549,-753,-753,-746,-747,-642,-760,-703,-731,-731,-709,-797,-797,-673,-612,-612,-584,-603,-599,-559,-548,-782,-619,-590,-555,-732,-797,-797,-797,-811,-802,-833,-827,-810,-789,-782,-782,-789,-789,-789,-789,-789,-789,-789,-772,-789,-789,-789,-789,-752,-782,-782,-782,-929,-775,-764,-757,-762,-768,-768,-768,-763,-762,-768,-768,-768,-768,-753,-753,-753,-753,-746,-742,-745,-724,-827,-821,-943,-938,-913,-887,-29976,-29977,-29973]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. f3 {9.e3 is more advanced technology. D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} Nfd7 10. e4 Nxe5 11. dxe5 {The position is equal.} Qxd1+ 12. Nxd1 Be6 {[#]} 13. Nf2 $146 ({Predecessor:} 13. Be3 Nc4 14. f4 O-O-O 15. Bxc4 Bxc4 16. Bb6 Rd7 17. Ne3 Bd3 18. e6 fxe6 19. Bxa5 {½-½ (75) Wieczorek,O (2468)-Nasuta,G (2520) Legnica 2018}) 13... g6 14. h4 Nd7 {[%cal Bb6d7,Bd7c5,Bc5e4][%mdl 32]} 15. f4 f6 16. h5 {Hoping for hxg6.} Rg8 17. Nh3 (17. hxg6 $11 {keeps the balance.} hxg6 18. exf6) 17... Nc5 $17 {Black continues to play with concentration.} ({Of course not} 17... fxe5 $6 18. hxg6 hxg6 19. Ng5 $14) ({But not} 17... gxh5 $6 18. f5 $14) 18. hxg6 hxg6 19. f5 gxf5 20. Be3 Nxe4 21. Nf4 {[#]} Bb3 22. Ra3 (22. e6 $142) 22... fxe5 $19 23. Rxb3 {Strongly threatening Ne6.} exf4 24. Bxf4 e5 25. Bxe5 Bb4+ 26. Rxb4 axb4 27. Bc4 Rxa4 {aiming for ...Ra1+.} 28. b3 Ra5 29. Bd4 Rf8 30. Rh7 Nd6 31. Be6 {White threatens Bd7+ and mate.} Nf7 32. Bf6 Ra2 33. g3 Rg2 34. Bh4 Rh2 35. Kf1 Rd2 36. Rg7 f4 37. Ke1 Rd6 38. Bc8 Rh8 39. Bxb7 Kf8 40. Rg4 Rd4 41. Bf6 Rh1+ 42. Ke2 f3+ {[%mdl 64] [#] Discovered Attack, Deflection, Decoy} 43. Kxf3 Rf1+ 44. Ke2 Rxg4 45. Kxf1 Rxg3 {[%mdl 4096] Endgame KRN-KB} 46. Ke2 c5 47. Bd5 Rg6 48. Bh4 {Now Bf2 and White clings on.} Ne5 49. Bf2 Nd7 50. Be4 Re6 51. Kd3 Ke7 52. Bf5 Re5 53. Bh4+ Nf6 54. Bc8 Rd5+ 55. Ke2 Rh5 56. Bg3 Ne4 57. Bf4 Nd6 58. Bg4 Rd5 59. Bf3 Rf5 60. Be3 Re5 61. Kd3 Kd7 62. Bf4 Re1 63. Be3 Rb1 64. Kc2 Rf1 65. Be2 Re1 66. Kd2 Ra1 67. Bf3 Ra5 68. Kc2 Kc7 69. Bf4 Ra2+ 70. Kd3 Rf2 71. Ke3 Rf1 72. Ke2 Rb1 73. Bd5 Rb2+ 74. Kd3 Rf2 75. Ke3 Rf1 76. Bf3 Rg1 77. Kd3 Rg6 78. Bh5 Rf6 79. Ke3 Kb6 80. Bg5 Nf5+ 81. Kf4 Ng7+ {[%mdl 64] Discovered Attack} 82. Ke4 {Weighted Error Value: White=0.40/Black=0.05} 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.13"]
[Round "5.1"]
[White "Lazavik, Denis"]
[Black "Barseghyan, Armen Ar."]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2436"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,33,22,28,15,72,68,54,78,67,47,65,73,100,85,96,44,60,15,75,24,14,17,54,28,31,20,36,0,41,34,56,41,46,46,51,-19,31,17,152,152,137,83,63,59,87,79,197,191,188,171,290,290,365,319,389,256,264,249,250,231,480,503,738,698,723,692,712,722,814,822,811,799,867,864,2036,1331,1231,1229]} 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 a5 9. Nc3 Na6 10. Re1 Qc7 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6.} 11. e4 fxe4 (11... e5 $1 $11) 12. Nxe4 $16 Nxe4 {White is slightly better.} 13. Rxe4 Bf5 14. Re3 Rae8 {[#]} 15. h3 $146 ({Predecessor:} 15. Qe2 Nb4 16. Nh4 Bc8 17. a3 Na6 18. Re1 Bf6 19. d5 Bxb2 20. Qxb2 Rf7 21. dxc6 bxc6 {1-0 (35) Rustemov,A (2525)-Oparin,G (2652) chess.com INT 2020}) 15... a4 16. g4 Bc8 17. Qe2 ({White should try} 17. bxa4 $16 Nc5 18. Ng5) 17... e6 18. Re1 Qd8 (18... Bh6 $11 {keeps the balance.}) 19. Re4 (19. bxa4 $16 Rf7 20. Ba3) 19... axb3 $11 20. axb3 b6 21. Bc1 c5 22. d5 {[%cal Rd5e6]} e5 23. Nh2 Nc7 24. Nf1 Bf6 25. Bh6 Rf7 26. Qd2 Bh4 {[#] White must now prevent ...g5.} 27. Be3 ({White should play} 27. Ng3 $14) 27... h6 (27... Ref8 {keeps more tension.} 28. Ng3 g5 29. Qc1 Kh8 30. Rf1 Ne8) 28. Ng3 Bg5 (28... g5 $11 {remains equal.}) 29. Bxg5 $16 hxg5 30. R4e2 (30. Ra1 $142) 30... Na6 31. Ne4 Rf4 {White now steadily converts the win.} 32. Ra1 $36 {[%mdl 2048] White is really pushing.} Qe7 (32... Ref8 $16) 33. Ra4 Bb7 34. Re1 Ref8 (34... Rc8 {was called for.} 35. Rea1 Nb8) 35. Rea1 $18 Nc7 36. Ra7 Ne8 37. Rf1 R8f7 38. b4 Qd8 39. Rb1 Bc8 $2 (39... Kh7 {is a better defense.} 40. bxc5 dxc5) 40. Ra8 {White is clearly winning.} Kg7 41. bxc5 dxc5 42. Qb2 Rxe4 43. Bxe4 Nd6 44. Qxe5+ Kh6 45. Bd3 Re7 46. Qc3 ({And not} 46. Qf6 {[#]} Re1+ $1 47. Rxe1 Qxf6 $11) 46... Nf7 47. Re1 Rxe1+ 48. Qxe1 {Weighted Error Value: White=0.18/Black=0.42} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.13"]
[Round "5.2"]
[White "Babujian, Levon"]
[Black "Makaryan, Rudik"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2440"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,141,0,0,11,-13,0,0,0,-6,0,-9,0,0,0,0,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-14,-14,-24,-20,-73,0,0,53,0,162,105,104,104,191,170,176,190,132,139,175,175,229,82,195,88,74,49,49,4,4,4,153,150,106,113,117,151,108,77,223,56,43,56,40,14,14,28,80,80,80,6,6,6,6,0,6,13,13,13,13,13,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,12848,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. Nc3 d5 12. e4 Nba6 13. exd5 cxd5 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7.} 14. Bf4 Bf6 15. Rc1 Qd7 {The position is equal.} 16. Qg4 Kh8 17. Rfd1 g6 {[#]} 18. Ne4 $146 ({Predecessor:} 18. Ne3 Rad8 19. b4 h5 20. Qf3 Bxc3 21. Rxc3 Ne6 22. a3 f6 23. Nxd5 Qf7 24. Bh6 {½-½ (30) Goy,U (1942)-Zundel,W (2225) GER email 2012}) 18... Bxb2 19. Qe2 $1 {[%cal Re2b2]} Qb5 20. Qc2 (20. Rc4 {seems wilder.} dxc4 21. Ned6 Rae8 22. Ne3 Qb4 23. Nxe8 Nxe8 24. Bxb7 Nc5 25. Nxc4 Nxb7 26. Nxb2 Ng7 27. Bh6) 20... dxe4 ({Don't go for} 20... Bxc1 $2 21. Be5+ f6 22. Nxf6 $18) 21. Nd6 Bxc1 22. Nxb5 Bxf4 23. gxf4 Nxb5 24. Qb2+ Kg8 {Hoping for ...Nbc7.} 25. Qxb5 Nc5 26. h4 Bc8 27. Qb2 Bg4 28. Rd4 Rfe8 29. Qa3 (29. Rd6 $11) 29... Bf5 (29... h5 $17) 30. h5 $11 Ne6 (30... f6 $11) 31. Rd6 (31. Ra4 $14) 31... Rad8 $2 (31... gxh5 $11 {and Black is okay.} 32. Qg3+ Ng7) 32. h6 (32. Rxd8 $1 $18 Rxd8 33. Qxa7) 32... Rxd6 $16 33. Qxd6 Rd8 (33... Rc8 $16) 34. Qe7 $1 $18 {[%mdl 1024] White has strong compensation.} Rd1+ 35. Kh2 Rd2 36. Kg3 Rd3+ 37. Kh4 Rd4 (37... Rd2 $142) 38. Qe8+ ({Don't play} 38. Qxa7 $6 Rd2 $16) 38... Nf8 39. Bf1 (39. Qe5 $1 $18 {[%csl Gh6][%cal Re5g7] is the precise move to win.} Ne6 40. Qb8+ Rd8 41. Qxa7) 39... Rd5 $16 40. Bc4 Bd7 41. Qxe4 (41. Qe7 $5 {[%cal Rc4d5]} g5+ 42. Kg3 gxf4+ 43. Kg2 $16) 41... Rh5+ 42. Kg3 {With the idea Qe7.} Rxh6 (42... Rh3+ $11 {remains equal.} 43. Kg2 Rxh6) 43. Qe7 Be6 44. Bxe6 fxe6 45. Qxa7 {[%mdl 4096] Endgame KQ-KRN} b5 {[#]} 46. f5 $1 {[%cal Rf5f6]} gxf5 (46... exf5 $16 {was called for.} 47. Qb8 f4+ 48. Kxf4 (48. Qxf4 Rh5 $14) 48... Rh5) 47. Qb8 $2 (47. Qc5 $18) 47... f4+ $1 $14 48. Qxf4 Rg6+ 49. Kh4 {Black must now prevent Qe5.} h6 $1 50. Kh5 Rg5+ (50... Kg7 $11 51. Qc7+ Kg8) 51. Kxh6 $16 Rf5 {[#]} 52. Qg3+ (52. Qc7 $1 $16 {[%csl Gh6][%cal Rc7g7]} Rf6+ 53. Kh5) 52... Kf7 $11 53. Qc7+ Ke8 54. f4 Rf6+ 55. Kg5 Rf5+ 56. Kg4 Ng6 57. Qd6 Nxf4 58. a3 Kf7 59. Qd7+ Kf6 60. Qd4+ Kg6 61. Qd7 Kf6 62. Qd4+ Ke7 63. Qa7+ Ke8 64. Qb8+ Ke7 65. Qa7+ Kf8 66. Qd7 Kg8 67. Qe7 Kh8 68. Qd7 Kg8 69. Qe7 Kh8 70. Qd7 Ng6 $2 {[%mdl 8192]} (70... Kg8 $11) 71. Qc7 $2 {Weighted Error Value: White=0.19/Black=0.22} (71. Qxe6 $18 Rf1 72. Qe8+ Kg7 73. Qxb5 Rg1+ 74. Kf3) 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.13"]
[Round "5.3"]
[White "Sargsyan, Anna M."]
[Black "Lobanov, Sergei"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2402"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "184"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,184,7,39,28,32,0,0,0,0,0,0,0,0,-1,0,-7,0,-13,-12,-70,-47,-63,-69,-78,-73,-95,-82,-75,-35,-122,-122,-118,-126,-137,-123,-117,-75,-113,31,33,76,69,73,67,87,82,74,74,256,256,256,256,384,378,368,360,316,239,299,231,231,225,299,279,258,258,301,301,458,458,458,214,214,214,214,206,206,181,225,226,225,225,225,221,225,225,260,195,191,189,192,191,185,183,179,128,132,0,184,188,188,188,188,183,186,101,188,148,150,156,156,156,146,150,311,311,290,183,183,179,169,0,136,135,107,123,226,226,326,272,326,326,326,326,326,326,326,326,312,272,312,312,312,304,300,272,271,264,264,262,262,262,229,79,77,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bh4 Nbd7 7. cxd5 {D51: Queen's Gambit Declined: 4 Bg5 Nbd7 sidelines.} exd5 8. Rc1 g5 9. Bg3 Ne4 10. Nd2 Nxg3 11. hxg3 c6 12. e3 Nf6 13. Bd3 {[#]} Kf8 $146 ({Predecessor:} 13... Be6 14. a3 Bd6 15. Na4 Qe7 16. Nc5 Bg4 17. Be2 Bf5 18. g4 Bg6 19. b4 Kf8 {1-0 (38) Kulaots,K (2597)-Repka,C (2452) Minsk 2017}) 14. a3 Bd6 15. b4 (15. O-O $11) 15... Qe7 16. Nb3 Kg7 17. Qd2 b6 18. O-O a5 $1 19. bxa5 Bxa3 20. Rc2 ({White should play} 20. Ra1 $15) 20... c5 $1 $17 21. dxc5 bxc5 22. Bb5 Be6 23. Qe2 Rhb8 24. a6 Ra7 (24... Bg4 $17 25. f3 Bc8) 25. Na5 $14 Bd7 26. Nc6 Bxc6 27. Bxc6 d4 28. Nd5 Qd6 29. Nxf6 Kxf6 (29... d3 $16 30. Qd1 (30. Nh5+ Kf8 $16) 30... Qxf6 31. Qxd3 Qxc6 32. Qxa3 Rxa6 33. Qc3+ (33. Qxc5 Qxc5 34. Rxc5 Rb2 $14) (33. Rxc5 Qxg2+ 34. Kxg2 Rxa3 $11) 33... f6) 30. exd4 $18 cxd4 31. Bb7 {Black must now prevent Rc6.} Kg7 (31... d3 $142 32. Qf3+ Kg7) 32. Rc6 Qe7 33. Qc4 Rd8 34. Rd1 Qb4 35. Qxb4 Bxb4 {[#]} 36. Rc4 $1 {[%cal Rc4b4]} Bf8 37. Rdxd4 ({Much less strong is} 37. Rcxd4 Rxd4 38. Rxd4 Kf6 $18) 37... Re8 38. Rd7 Re1+ 39. Kh2 {aiming for Rcc7.} Re6 (39... Kf6 $142 40. Rc3 Re7) 40. Rcc7 Rf6 41. Kg1 (41. Bd5 $142 Rxc7 42. Rxc7) 41... Bb4 42. Bc8 Ra8 43. Kf1 Ba5 44. Rc2 Bb6 {[#]} 45. f3 $1 h5 46. Bb7 Ra7 47. Ke2 Bg1 48. Rd5 Kg6 49. Ra2 Re6+ 50. Kd3 Re3+ 51. Kc4 Re7 52. Raa5 f6 53. Rab5 (53. Rdb5 $18) 53... Re6 $16 54. Ra5 (54. f4 $16 Re4+ 55. Kb3) 54... Bf2 $2 (54... Re7 $1 $11) 55. f4 $18 {Hoping for f5+.} Re4+ 56. Kb5 {Rd2 is the strong threat.} gxf4 57. gxf4 Rxf4 58. Kc6 (58. Ra2 $18) 58... h4 (58... Rc4+ $16 59. Kb5 Rc7) 59. Kc7 Rb4 60. Kb8 Rb2 61. Rab5 Re2 62. Rd8 Ra2 $2 (62... Re6 $16 63. Rb2 Be3) 63. Rg8+ Kh6 64. Bf3 {[%csl Gf3][%cal Rb5h5]} Kh7 65. Rg4 {[%cal Rb5h5]} Kh6 {[#]} 66. Rh5+ $3 {[%mdl 576] Decoy} Kxh5 67. Ra4+ $1 {[%mdl 64] Discovered Attack} Kg5 68. Rxa2 $16 {[%mdl 4096] Endgame KRB-KRB} Bg1 (68... f5 $16 {was called for.} 69. Bb7 (69. Rxf2 Rxa6 70. Rf1 h3 $14) 69... Be3) 69. Bb7 $18 f5 (69... Bb6 {is a better defense.} 70. Rb2 Bd4) 70. Ra3 Kg4 71. Kc7 f4 72. Rh3 Bf2 73. Kd6 Bg3 74. Ke6 Kg5 75. Rh1 f3 76. gxf3 Kf4 77. Kf6 Bf2 78. Rh3 Bg3 79. Kg6 Bf2 80. Kh5 Bg3 81. Rh1 Bf2 82. Rf1 (82. Ra1 $18) 82... Bg3 $16 83. Ra1 ({Better is} 83. Rb1 $16) 83... h3 $11 {The position is equal.} 84. Rh1 h2 85. Kg6 Rxb7 86. axb7 Kxf3 {KR-KB} 87. Rb1 Kg2 88. Rb2+ Kg1 89. Rb3 Bb8 90. Rb1+ Kg2 91. Rb2+ Kg1 92. Rxh2 Kxh2 {White really could win this.  Weighted Error Value: White=0.24/Black=0.30} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.13"]
[Round "5.4"]
[White "Hayrapetyan, Hovik"]
[Black "Gharibyan, Mamikon"]
[Result "1-0"]
[ECO "E54"]
[WhiteElo "2488"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,69,0,8,0,0,0,0,0,4,0,4,4,93,22,187,194,281,277,280,225,131,95,93,87,89,89,142,142,134,133,133,0,46,0,139,126,124,117,122,121,237,245,29986,29987,29987,29988,29995,29996]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Bg5 Bb7 11. Qe2 Nbd7 12. Rac1 Bxc3 {The old main line.} 13. Rxc3 {Hoping for Ne5. E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4.} Qb8 14. Bh4 Qf4 15. Bg3 {The position is equal.} Qf5 16. Ne5 Nxe5 {[#]} 17. Bxe5 $146 {With the idea Rg3.} ({Predecessor:} 17. dxe5 Ne4 18. Re3 Nxg3 19. hxg3 Rfd8 20. f4 h5 21. Rd1 Rac8 22. b3 Qg4 23. Qxg4 hxg4 {1-0 (76) Iordachescu,V (2560)-Ibrahimov,R (2415) Minsk 2000}) 17... Ne4 (17... Rfc8 $11 {remains equal.}) 18. Rh3 (18. Re3 $1 $16) 18... Ng5 $2 (18... f6 $1 $11 {and Black is okay.} 19. Bc7 Rfe8) 19. Rh4 $18 {Strongly threatening Bd3.} Qg6 (19... f6 {was called for.}) 20. f4 $1 {[%cal Rf4g5]} Qe4 21. Qf2 Qc6 22. fxg5 Qxc4 23. Rf4 $1 Rac8 {[#]} 24. Bxg7 $1 Kxg7 (24... Ba6 $142) 25. Rxf7+ $16 Rxf7 26. Qxf7+ {[%mdl 64] Double Attack} Kh8 27. Qf6+ (27. Qxb7 $16 {aiming for Qd7.} Qxd4+ 28. Kh1) 27... Kg8 $14 {...e5 is the strong threat.} 28. Qf7+ ({White should try} 28. g6 $14 Qc7 29. Qxe6+ Kh8 30. Qf6+ Kg8 31. gxh7+ Kxh7 32. Re1) 28... Kh8 $16 29. Qxb7 Qxd4+ {[%mdl 4096] Endgame KQR-KQR} 30. Kh1 Rg8 31. Qe7 Qe5 {[#]} (31... Qd8 $16 32. Qxa7 Qxg5) 32. h4 $1 $40 {[%mdl 128] White is out for blood.} Qg3 $2 (32... a6 $18 33. b3 a5) 33. Qf6+ {White mates.} Rg7 34. Rd1 {[%cal Rd1d8]} Qxh4+ 35. Kg1 {[%cal Rd1d8] Weighted Error Value: White=0.20/Black=0.68} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.13"]
[Round "5.5"]
[White "Daneshvar, Bardiya"]
[Black "Mikaelyan, Arman"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2399"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,98,79,72,35,65,60,81,54,43,12,0,7,0,-3,-12,-22,-8,-42,0,0,0,-1,4,23,50,12,11,9,39,16,78,66,133,114,264,289,267,290,280,273,277,288,396,199,249,252,240,236,206,216,242,229,294,300,291,288,289,310,383,346,479,477,480,454,777,817,1413,1360,1408,1028,1079,1072,1050,1052,2298,2462,2164,1431,1134,1019,1486,1039,5385,4230,29991]} 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Nf3 O-O 7. h3 e5 8. g4 Na6 9. Bd3 {E90: King's Indian: Classical: Early deviations and 6 h3.} Bd7 10. a3 Rb8 {[#]} 11. Qe2 $146 {White is better.} ({Predecessor:} 11. Bd2 Qc8 12. Qc1 Nc7 13. a4 h5 14. g5 Nfe8 15. h4 Na6 16. Nb5 Ra8 17. a5 {1-0 (42) Garcia Palermo,C (2515)-Hickl,J (2430) Dubai 1986}) 11... Nc7 12. b4 cxb4 13. axb4 b5 $1 14. Rb1 bxc4 15. Bxc4 a6 16. Be3 h5 17. g5 $36 {[%mdl 2048] White has the initiative.} Nh7 18. Bxa6 Nxa6 19. Qxa6 Qc7 20. Kd2 f5 $1 {[%cal Rf5e4] [#] Threatens to win with ...fxe4.} 21. gxf6 $1 Rxf6 22. Ne1 (22. Qa7 $2 Qxa7 23. Bxa7 Rb7 $19) 22... Bc8 (22... Rc8 $11 23. Rb3 Rf4) 23. Qa5 $16 Qc4 (23... Qe7 $14) 24. Nd3 Rf3 {This move loses the game for Black.} (24... Bb7 $16) 25. Qd8+ $18 Nf8 26. Qxd6 Ba6 27. Nb2 (27. Nxe5 Bxe5 28. Qxe5 Re8 $11) 27... Qc8 28. b5 Bh6 29. Nd3 (29. bxa6 Rxf2+ 30. Kd3 (30. Ne2 Bxe3+ 31. Kxe3 Rxe2+ {[%mdl 64] Decoy} 32. Kxe2 Qc2+ {[%mdl 64] Double Attack} 33. Ke1 Qxb1+ 34. Nd1 Qxe4+ {[%mdl 64] Double Attack} 35. Kd2 Rc8 $19) 30... Bxe3 $16) (29. Qxa6 $142 Rxf2+ 30. Kd3) 29... Rxf2+ 30. Nxf2 Bxe3+ 31. Kd3 Rb6 32. Qa3 Bc5 33. Qa2 ({Not} 33. bxa6 Rxb1 34. Qa4 Rxh1 $19) 33... Rf6 {And now ...Rf3+ would win.} 34. Nfd1 (34. bxa6 Rf3+ 35. Kd2 Be3+ 36. Kd1 Qxc3 $11) 34... Bb7 35. Qg2 Nd7 36. Rf1 Rd6 37. Na4 Qa8 38. Ndc3 {White is clearly winning.} Bd4 39. Rb4 ({Less strong is} 39. Qf3 Qe8 $18) 39... Kg7 (39... Qd8 $142 40. Rc4 Kh8) 40. Qg5 {Qe7+ is the strong threat.} Nf6 41. Rxd4 {[%mdl 64] Remove Defender, Decoy} exd4 {[#]} 42. Qe5 $1 Qd8 43. Qxd4 Kh6 44. Kc2 Nxd5 45. exd5 Bxd5 46. Nxd5 Rxd5 47. Qe3+ Kg7 48. Nc3 Rg5 49. b6 Qc8 {Weighted Error Value: White=0.16/Black=0.31} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.14"]
[Round "6.1"]
[White "Barseghyan, Armen Ar."]
[Black "Mikaelyan, Arman"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2362"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,109,28,10,12,-3,5,3,26,15,32,35,27,35,44,58,43,32,32,40,67,41,43,0,0,0,-2,-8,-8,-58,26,29,25,5,26,0,46,45,55,22,29,13,23,11,24,0,56,38,45,45,176,113,131,114,137,137,113,140,130,122,200,181,166,181,173,175,178,132,152,115,124,124,151,150,150,125,162,140,314,305,277,0,0,0,394,367,381,361,361,360,293,37,30,0,0,0,34,0,0,-366]} 1. Nf3 g6 2. g3 Bg7 3. c4 c5 4. Bg2 Nc6 5. Nc3 d6 6. O-O Nh6 {6...e6 is the modern continuation.} 7. d3 Nf5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} 8. Bd2 h5 9. h3 Bd7 10. Rb1 {[#]} Nfd4 $146 ({Predecessor:} 10... Qc8 11. Kh2 Ncd4 12. Ng5 Ne6 13. Nxe6 fxe6 14. b4 cxb4 15. Rxb4 Bc6 16. Bxc6+ bxc6 {1-0 (46) Kostic,V (2395)-Micic,C (2408) Budva 2003}) 11. Ne1 Qc8 12. Kh2 Be5 13. f4 Bg7 14. e3 Nf5 15. a3 g5 16. Ne4 gxf4 17. exf4 Ncd4 18. Nf3 Bc6 19. b4 b6 20. bxc5 bxc5 ({Black should play} 20... dxc5 $15 21. Ne5 Bxe5 22. fxe5 Qe6) 21. Nxd4 Bxd4 22. Re1 Kf8 23. Qe2 Rh6 24. Ng5 Bf6 25. Bxc6 (25. Be4 {feels hotter.} Bxe4 26. Qxe4 Kg8 27. Rb7 Bxg5 28. Rc7) 25... Qxc6 26. Qe4 (26. Qg2 {looks sharper.} Qxg2+ 27. Kxg2 Kg7 28. Rb7 Rd8 29. Ba5) 26... Qxe4 27. Nxe4 Bd4 28. Kg2 Kg7 (28... f6 $11) 29. Rb7 $14 Rg6 30. Kf3 Kh6 {[#]} (30... d5 $14 31. cxd5 Rd8) 31. g4 ({White should try} 31. Ng5 $1 $18 Bf6 32. Nxf7+ Kg7 33. Ng5) 31... hxg4+ 32. hxg4 Nh4+ 33. Kg3 Nf5+ 34. Kh3 Kg7 {[#] ...Rh8+ is the strong threat.} 35. Ng5 $1 Rh8+ (35... Rh6+ $16 36. Kg2 Nh4+ 37. Kg3 Ng6) 36. Kg2 $18 Nh4+ 37. Kg3 Rxg5 38. fxg5 Ng6 39. Bf4 a5 40. Rbb1 a4 41. Rh1 Re8 42. Kf3 Rd8 43. Bg3 Bc3 44. Rb5 d5 $2 (44... Bd2 $16 {was worth a try.} 45. Rd1 Bc3) 45. Rxc5 dxc4 46. dxc4 (46. Rd1 $18) 46... Rd3+ $11 47. Kg2 Bd4 $2 {[%mdl 8192]} (47... Rd2+ $11 {and Black has nothing to worry.} 48. Kh3 Rd3) 48. Rd5 $18 e5 49. Rf1 Rxa3 50. Rd7 Nh8 51. Rb1 $2 (51. g6 $18 {[%cal Rg6f7]} Ra2+ 52. Kf3 Nxg6 53. Ke4 Re2+ 54. Kd5) 51... Ra2+ $14 52. Kf3 {aiming for Rxd4!} Ra3+ 53. Kg2 {Strongly threatening Rxd4.} Ra2+ 54. Kf3 {And now Rxd4! would win.} Ra3+ 55. Ke4 $2 {[%mdl 40960] Weighted Error Value: White=0.24/Black=0.33. An unexpected result.} (55. Kg2 $11 Ra2+) 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.14"]
[Round "6.2"]
[White "Gharibyan, Mamikon"]
[Black "Daneshvar, Bardiya"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2432"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,119,25,21,24,33,25,27,4,17,-2,0,0,0,-43,-31,-29,33,28,58,20,28,10,26,28,20,34,34,37,60,54,48,50,56,52,54,56,63,62,53,67,70,41,56,13,100,108,102,99,98,101,91,92,108,105,102,104,102,105,131,114,138,132,128,134,170,132,134,109,110,102,108,107,108,103,117,99,231,109,250,238,616,608,587,553,490,486,1797,283,1720,1289,12833,12833,12834,12835,12835,12835,12836,12836,12837,12837,12837,12838,12841,12841,12841,12839,12842,12841]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bh5 6. Nc3 e6 7. g4 Bg6 8. Ne5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Nbd7 9. Nxg6 hxg6 10. Bd2 {White has an edge.} g5 11. a3 Bd6 12. Qf3 Qe7 {[#]} 13. Bd3 $146 ({Predecessor:} 13. O-O-O O-O-O 14. Kb1 Kb8 15. e4 dxe4 16. Nxe4 Nxe4 17. Qxe4 Qf6 18. Be3 Bf4 19. Bg2 {½-½ (47) Inarkiev,E (2688)-Mamedyarov,S (2757) Sochi 2014}) 13... e5 14. Qe2 e4 (14... dxc4 $11 15. Bxc4 Nb6) 15. Bc2 $14 a6 16. c5 Bc7 17. f3 exf3 18. Qxf3 b6 19. cxb6 Nxb6 20. Bd3 Nc8 21. O-O-O Nd6 22. e4 dxe4 {[#]} 23. Nxe4 Nfxe4 24. Bxe4 Nxe4 (24... Qxe4 $2 25. Rhe1 $18) 25. Rde1 O-O 26. Rxe4 Qf6 27. Qe2 {Strongly threatening h4!} Bf4 28. h4 Qh6 (28... Bxd2+ $1 $11 29. Qxd2 Qf3) 29. Bxf4 $16 gxf4 30. g5 $36 {[%mdl 2048] Keeping Black busy.} Qd6 31. Rf1 c5 32. Rfxf4 Rac8 {White must now prevent ...cxd4+.} 33. dxc5 Rxc5+ 34. Kb1 Rd5 35. Rf2 Rd1+ 36. Ka2 Rc1 37. Qd2 Qc6 38. Qd3 Rh1 39. Qc4 Qg6 40. Qd5 Rb8 41. Rd2 Kh7 42. Rde2 Rb5 43. Qc4 Rb6 44. Rf2 Rb7 {[#]} (44... Rc6 $16 45. Qd3 Re6) 45. Qc2 (45. h5 $1 $18 {[%cal Rh5g6]} Rxh5 46. Ree2) 45... Rc7 {[#]} 46. h5 $1 $18 {[%cal Rh5g6]} Rxh5 (46... Qf5 47. Qd3 (47. Rxf5 Rxc2 48. h6 gxh6 $16) (47. Qxc7 Qxe4 48. Qd7 Qb1+ 49. Kb3 Rxh5 $11) 47... Rd7) 47. Qxc7 Qxe4 48. Qxf7 {[%mdl 4096] Endgame KQR-KQR} Qg6 49. Qf5 Rh4 (49... a5 $142 50. Qxa5 Qe6+ 51. b3 Kg6) 50. Rf3 $2 (50. b4 Qxf5 51. Rxf5) 50... Qxf5 $2 (50... a5 51. Qxa5 Qe6+ 52. Rb3 Kg6) 51. Rxf5 {KR-KR. White is clearly winning.} Re4 52. Ra5 Re6 53. b4 Kg6 54. Kb3 Kf7 55. Ka4 Ke7 56. Rc5 Kd7 57. Ka5 Rd6 58. a4 Re6 59. Rf5 Kc8 60. Rf8+ {Weighted Error Value: White=0.29/Black=0.32} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.14"]
[Round "6.3"]
[White "Lobanov, Sergei"]
[Black "Hayrapetyan, Hovik"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2510"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,98,21,43,22,12,34,36,25,54,37,38,33,60,0,42,21,49,0,0,0,0,-81,-89,-217,-209,-233,-225,-271,-262,-298,-291,-272,-123,-121,-121,-127,-122,-131,9,-131,-130,-127,-127,-268,-264,-254,-254,-262,-268,-250,-250,-255,-247,-312,-306,-277,-238,-284,-274,-284,-284,-483,-450,-481,-464,-464,-454,-477,-464,-491,-411,-401,-393,-456,-455,-712,-712,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29971,-29980,-29979,-29980]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {is the new trend. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Nf6 8. O-O-O Be7 9. Be2 {White is slightly better.} O-O 10. g4 d6 11. g5 {aiming for Nxc6.} Nd7 12. h4 (12. g6 $14 hxg6 13. h4) 12... Nxd4 (12... b5 {keeps more tension.} 13. a3 Nc5 14. Kb1 Bb7 15. Qg4 Rac8) 13. Rxd4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] [#]} 14. Qg3 $146 ({Predecessor:} 14. h5 Bb7 15. Qh3 Nc5 16. Bg4 Rac8 17. g6 f5 18. exf5 Bxh1 19. Qxh1 h6 20. fxe6 {1-0 (32) Nakar,E (2419)-Boyer Censore,G (1960) Caleta 2015}) 14... Bb7 15. Rhd1 Rac8 16. f4 (16. a3 $11) 16... Qa5 $1 $17 17. Bd2 (17. Bf3 $17) 17... b4 $19 18. Nb1 d5 (18... Qxa2 19. Bxb4 Nc5 20. Bxc5 $11) 19. e5 Rc7 {Strongly threatening ...Rfc8.} (19... Qxa2 20. Bxb4 Nc5 21. R1d3 $19) 20. Qb3 {[%cal Rd2b4]} Nc5 (20... Rfc8 21. Na3 $19) 21. Qa3 {[#]} Rfc8 $1 {[%mdl 512]} 22. Bxb4 $17 {[#]} (22. Qxa5 $2 {leads to mate.} Nb3+ $1 {[%mdl 512]} 23. axb3 Rxc2#) 22... Nb3+ $40 {[%mdl 640] White is in trouble.} 23. Qxb3 Rxc2+ {[%mdl 64] Overworked Piece} 24. Qxc2 Rxc2+ 25. Kxc2 Bxb4 {Black converts the advantage convincingly.} 26. a3 Bc5 27. b4 (27. R4d3 $17) 27... Qa4+ $19 28. Kb2 Bxd4+ 29. Rxd4 Qc6 30. Nd2 {[#]} Qb6 $1 {[%cal Rb6d4]} 31. Nb3 Bc6 32. Kc3 Bb5 33. Bg4 Bc4 34. Na5 Bf1 35. Bd1 f6 36. gxf6 (36. exf6 Qc7+ 37. Kb2) 36... gxf6 37. exf6 Qc7+ 38. Kd2 Kf7 39. a4 Kxf6 40. Bc2 Qb6 41. Kc3 e5 42. fxe5+ Kxe5 43. Rd1 (43. Nb3 $142 Qc6+ 44. Kb2) 43... Be2 44. Rd2 Qe3+ {Black mates.} 45. Bd3 Bxd3 46. Rxd3 Qc1+ 47. Kb3 Qb1+ {[%mdl 64] Double Attack} 48. Kc3 d4+ 49. Rxd4 Qc1+ {Weighted Error Value: White=0.57/Black=0.10} ({Weaker is} 49... Qa1+ 50. Kc2 $17) 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.14"]
[Round "6.4"]
[White "Makaryan, Rudik"]
[Black "Sargsyan, Anna M."]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2461"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,59,27,2,0,0,0,0,0,12,4,31,29,30,20,28,26,78,85,91,84,78,75,115,104,152,154,177,172,163,163,242,231,331,308,311,300,337,333,510,503,552,554]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 {[#]} 11. Qc1 $1 {Strongly threatening Bxe5. D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} f6 12. Bg2 Be6 13. Nxe5 {The position is equal.} Nxe5 14. a5 a6 15. O-O {[#]} Bb4 $146 ({Predecessor:} 15... Bd6 16. Ne4 O-O 17. Qc3 Rad8 18. Rad1 Rf7 19. Rxd6 Rxd6 20. Bxe5 fxe5 21. Qxe5 Rfd7 {1-0 (46) Svane,R (2549)-Matthiesen,M (2316) Helsingor 2016}) 16. Ne4 Qe7 (16... Bxa5 $6 17. Qc5 $18) 17. Rd1 Bb3 (17... O-O $11 {keeps the balance.}) 18. Rd4 $16 O-O 19. Bd2 Bxd2 20. Qxd2 c5 21. Rd6 Bf7 {[#]} 22. Rd1 $1 ({Don't go for} 22. Nxc5 $2 Nc4 $19) 22... Rac8 23. f4 Nc4 {[#]} 24. Rd7 {[%mdl 512]} Qe6 (24... Qe8 {might work better.} 25. Qc3 b5) 25. Qc3 $18 b5 (25... f5 $142) 26. axb6 $1 Nxb6 27. Rb7 Rb8 {[#]} 28. Rd6 $1 {[%mdl 512]} Nd5 (28... Na4 $142 29. Qa5 (29. Rxe6 Nxc3 30. Ree7 Rxb7 $14) 29... Qe8) 29. Rxb8 Rxb8 {[#]} 30. Rxd5 $1 {[%mdl 512] Weighted Error Value: White=0.00/Black=0.32} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.14"]
[Round "6.5"]
[White "Lazavik, Denis"]
[Black "Babujian, Levon"]
[Result "0-1"]
[ECO "D84"]
[WhiteElo "2436"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,86,6,9,0,25,22,25,21,31,25,73,69,56,25,21,8,6,0,33,0,0,0,0,-27,-28,-41,-39,-51,-22,-17,-11,-21,-19,-29,-33,-70,-43,-53,-33,-78,-64,-121,-135,-119,-88,-94,-102,-200,-193,-282,-127,-433,-241,-234,-229,-232,-214,-206,-132,-615,-600,-846,-804,-1497,-1435]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 12. Rc1 a5 13. O-O {D84: Grünfeld: 4 Bf4 Bg7 5 e3 0-0 6 cxd5.} a4 14. Rc5 {[#]} f6 $146 ({Predecessor:} 14... Bb7 15. Nd2 f6 16. Rfc1 Rf7 17. Rb5 Ba6 18. Ra5 Be2 19. Rxa4 e5 20. d5 f5 {1-0 (41) Lazavik,D (2424)-Pogosian,M (2391) Minsk 2020}) 15. Rfc1 {White has an edge.} Bg4 16. Nd2 Rfc8 17. R1c4 Bd7 18. Ne4 Bf8 $1 19. d5 a6 20. Ba5 Rab8 21. Bc3 Rxc5 22. Rxc5 Bf5 23. Ng3 Bd3 24. Rc7 f5 25. f3 a3 26. bxa3 Rb5 27. a4 Rxd5 28. e4 fxe4 29. fxe4 Rd8 30. Kf2 Kf7 31. Bb4 h5 32. Ke3 (32. h4 $15) 32... Bb1 $17 33. a3 Bh6+ 34. Kf2 Bg5 35. Ra7 (35. Rc5 $17 {was worth a try.} Bf4 36. Nxh5) 35... Bd3 $19 36. Kf3 (36. Ne2 {was called for.}) 36... Ke6 (36... Rd4 $19 {and Black stays clearly on top.} 37. Bc5 Rc4) 37. Kf2 $2 {[%mdl 8192]} (37. h4 $17 Bxh4 38. Ne2) 37... Rf8+ ({Weaker is} 37... h4 38. Ne2 $17) (37... Rc8 $142 {Hoping for ...h4.} 38. h4 Rc2+ 39. Kf3 Bxh4) 38. Ke1 h4 39. Ne2 {[#]} h3 $1 ({Not} 39... Bxe4 40. Rxa6+ Kf7 41. Ra5 $15) 40. Bc5 Rf7 ({Don't play} 40... Bxe4 41. Rxa6+ Kf7 42. Rb6 $17) 41. Ng3 $2 {[%mdl 8192]} (41. Bf2 $17) 41... Bf4 {Black is clearly winning.} 42. Bf2 Be5 43. Ne2 Bxe2 {Weighted Error Value: White=0.69/Black=0.25} 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.15"]
[Round "7.1"]
[White "Babujian, Levon"]
[Black "Barseghyan, Armen Ar."]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2440"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,135,25,33,37,47,0,31,14,6,-10,0,0,0,-33,-36,-37,-46,-30,0,-41,-57,-58,-58,-65,-56,-65,-34,-69,-56,-113,-105,-95,-52,-106,-101,-85,-70,-88,-88,-76,-90,-155,-162,-231,-215,-184,-137,-133,-115,-120,-105,-142,-100,-100,-100,-108,-105,-147,-18,-37,-18,-18,-18,-13,86,95,208,229,304,302,832,806,753,733,1153,1153,1305,328,328,328,328,328,328,328,328,328,328,328,320,268,285,230,283,231,594,586,519,549,985,980,980,980,5306,673,29989,29990,29990,29991,29991,29992,29995,29996,29996,29997]} 1. d4 Nf6 2. Bg5 d5 3. e3 e6 4. Nf3 Be7 5. c4 h6 6. Bh4 O-O 7. Nc3 b6 8. cxd5 exd5 9. Rc1 Bb7 10. Bd3 Nbd7 11. O-O c5 12. Qc2 Rc8 13. Bf5 {D58: Queen's Gambit Declined: Tartakower Defence.} g6 14. Bd3 {[#]} (14. Bxg6 $5 fxg6 15. Qxg6+ {[%mdl 64] Double Attack} Kh8 16. Qxh6+ Nh7 17. Bg3 $11) 14... a6 $146 ({Predecessor:} 14... c4 15. Be2 a6 16. a4 Bc6 17. b3 b5 18. axb5 axb5 19. bxc4 dxc4 20. Rfd1 Nd5 21. Bxe7 Qxe7 {0-1 (37) Jergovic,A-Tomicic,A (2118) Rabac 2004}) 15. dxc5 {White is slightly better.} bxc5 16. Qe2 Qa5 17. Rfd1 Rfe8 18. Bb1 Bf8 {White must now prevent ...d4!} 19. Qd2 {[%cal Rc3d5]} Qb6 20. Bg3 Qe6 21. Qd3 Nb6 22. Ne2 Ne4 23. Bf4 Bg7 24. Qb3 Ba8 25. h4 Nc4 26. Nc3 (26. Bxe4 $15 Qxe4 27. Nc3) 26... Nxc3 $17 27. bxc3 Rc6 28. Re1 ({Better is} 28. h5 $15) 28... Rb6 $36 {[%mdl 2048] Black is really pushing.} 29. Qd1 Bc6 30. h5 g5 31. Bg3 f5 32. Nd2 (32. Qd3 $142) 32... Na3 $1 33. Bd3 (33. Nb3 $142) 33... c4 $1 $19 {[%cal Rc4d3]} 34. Bf1 Nb5 35. Nb1 Bd7 36. f3 Nd6 37. Qd2 Nf7 38. Na3 Bf8 $1 {[%cal Rf8a3]} 39. Nc2 Rb2 40. Qd4 {[#] intending Nb4!} Bg7 (40... Rxa2 41. e4 $17) ({Black should play} 40... Rc8 $1 $17 {...Bc5 is the strong threat.} 41. Qd2 Ba4) 41. Qa7 Bxc3 {Strongly threatening ...Bd2.} 42. Nd4 Bxd4 43. Qxd4 Qb6 (43... Rxa2 $11 44. Rxc4 dxc4 45. Bxc4 {[#]} Ra4 $1 46. Bxe6 Rxd4 47. Bxf7+ Kxf7 48. exd4 f4) 44. Qxd5 $16 Rxe3 (44... Be6 $16 45. Qd4 Rc8) 45. Kh1 Be6 46. Qa8+ Kh7 $2 (46... Kg7) 47. Rxe3 $18 Qxe3 48. Re1 Qb6 49. Qe8 Rb1 {[#]} 50. Bc7 $1 {[%mdl 512]} Qxc7 51. Rxb1 Qg3 52. Rd1 (52. Qxe6 Qh4+ 53. Kg1 Qd4+ 54. Kh2 (54. Kh1 Qh4+ {[%mdl 64] Double Attack} 55. Kg1 Qd4+ 56. Kh2 Qh4+ {[%mdl 64] Double Attack} 57. Kg1 $11) 54... Qh4+ 55. Kg1 Qd4+ 56. Kh2 (56. Kh1 Qh4+ {[%mdl 64] Double Attack} 57. Kg1 $11) 56... Qh4+ 57. Kg1 $11) 52... Qe5 53. Qc6 c3 54. Rc1 (54. Qxa6 $6 Kg7 $18) (54. Bxa6 g4 $18) 54... Bxa2 55. Rxc3 {White threatens Qg6+ and mate.} ({But not} 55. Bxa6 $6 Kg7 $18) 55... Be6 56. Rc1 ({Don't take} 56. Bxa6 Qe1+ 57. Kh2 Kg7 $18) ({Weaker is} 56. Qxa6 Qxc3 57. Qxe6 Kg7 $16) 56... a5 57. Qc5 Qf4 58. Kg1 {Hoping for Re1.} a4 $2 (58... g4 59. fxg4 fxg4) 59. Re1 Bb3 {and the idea ...Qd6 leaves Black hopeful.} 60. Bd3 Kg7 61. Qc3+ Kf8 62. Bb5 {[%csl Gb5][%cal Re1e8]} Kg8 63. Qf6 (63. Re8+ $142 Kh7 64. Qf6) 63... Nd6 64. Qg6+ {White mates.} Kf8 65. Qxh6+ Kg8 66. Qg6+ Kf8 67. Qf6+ Kg8 {[#]} 68. h6 $1 {[%csl Gh6][%cal Rf6g7] What a bad dream for Black.  Weighted Error Value: White=0.33/Black=0.30} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.15"]
[Round "7.2"]
[White "Sargsyan, Anna M."]
[Black "Lazavik, Denis"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2402"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,46,19,18,13,18,18,22,18,18,18,22,18,22,0,2,0,0,0,12,-12,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 {The position is equal.} 9. e3 $1 {[%mdl 4] is more profitable than 9.f3 at the moment. D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} g6 10. Bd3 Bxd3 11. Nxd3 Bg7 12. O-O O-O {[#]} 13. b3 $146 ({Predecessor:} 13. Qb3 Nfd7 14. Rd1 Qc7 15. Bd2 Nc8 16. Rac1 Qb6 17. Qxb6 Ncxb6 18. b3 f5 19. Ne2 {½-½ (34) Miton,K (2612)-Oleksienko,M (2608) Slovakia 2017}) 13... Nbd5 14. Ne2 {[%cal Bc3e2,Be2g3,Bg3e4,Be4g5][%mdl 32]} Re8 15. Bb2 Qb6 16. Ng3 Rad8 17. Rc1 Nd7 18. Ne4 Qc7 19. Qf3 e5 20. Ng5 Bf6 21. Ne4 Bg7 22. Ng5 Bf6 23. Ne4 Bg7 {Not much happened in this game.  Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.15"]
[Round "7.3"]
[White "Hayrapetyan, Hovik"]
[Black "Makaryan, Rudik"]
[Result "1/2-1/2"]
[WhiteElo "2488"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,9,22]} 1. Nf3 Nf6 2. c4 e6 3. b3 b6 4. g3 Bb7 5. Bg2 Be7 6. Bb2 O-O 7. O-O c5 {[#]} {Predecessor:} 8. Nc3 $146 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} d6 9. e3 Nbd7 10. Qe2 a6 11. d4 Ne4 12. Rfd1 Nxc3 13. Bxc3 Nf6 14. Bb2 Qc7 15. Rac1 Be4 16. d5 exd5 17. cxd5 Qb7 18. Nh4 Bxg2 19. Kxg2 {0-1 (38) Dubov,D (2699)-Vachier Lagrave,M (2778) chess.com INT 2020} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.15"]
[Round "7.4"]
[White "Daneshvar, Bardiya"]
[Black "Lobanov, Sergei"]
[Result "0-1"]
[ECO "D84"]
[WhiteElo "2399"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,56,31,38,45,46,45,62,32,49,50,31,22,42,30,33,41,29,27,30,20,34,41,28,112,121,68,60,66,71,69,63,62,-229,-218,-216,-220,-233,-223,-331,-305,-320,-208]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Nc6 {[%cal Bb8c6,Bc6d4,Bd4c2][%mdl 32]} 9. Ne2 $1 Bf5 {Threatens to win with ...Qd7. D84: Grünfeld: 4 Bf4 Bg7 5 e3 0-0 6 cxd5.} 10. Nc3 $1 {[%cal Rc3d5]} Qd7 11. Bg3 {[#]} Bxd4 $146 {White is slightly better.} ({Predecessor:} 11... g5 12. Bd3 Rad8 13. O-O Bxd3 14. Qxd3 h5 15. h3 e5 16. d5 f5 17. Qe2 Nb4 18. Qxh5 {1-0 (34) Batchuluun,T (2530)-Potkin,V (2583) Moscow 2019}) 12. exd4 Nxd4 {aiming for ...Nc2+.} 13. Rc1 Qe6+ 14. Be2 Rfd8 15. O-O {Black must now prevent Bf3.} Nc2 $1 {[#]} 16. Qxc2 Bxc2 17. Rxc2 Qf5 18. Rcc1 Rd2 19. Bf3 Rxb2 (19... Rd7 $11 {keeps the balance.}) 20. Nd5 $16 Kf8 21. Rfe1 {[%mdl 1024] And now Bf4 would win. White has compensation.} Rc8 {Hoping for ...Rxc1.} 22. Rcd1 Rd8 ({Don't go for} 22... Rxa2 $2 23. Nxe7 Qc5 24. Nxc8 $18) 23. Bf4 $36 {[%mdl 2048] White threatens Bh6+ and mate. White has good play.} g5 {[#]} 24. Be4 $2 {[%mdl 8192] [#] Now White is beyond hope.} Qxe4 $3 $19 {[%mdl 512]} 25. Rxe4 {[#]} Rxd5 {[%mdl 512]} 26. Rc1 gxf4 27. g3 (27. a4 $142) 27... fxg3 ({Resist} 27... Rxa2 28. Rxf4 Rb2 29. Rc8+ Kg7 30. Rg4+ Kf6 31. Rf4+ Rf5 32. Rxf5+ Kxf5 33. Kg2 $19) 28. hxg3 e6 {Weighted Error Value: White=0.34/Black=0.08} ({Don't take} 28... Rxa2 29. Rc8+ Kg7 30. Rxe7 $19) 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.15"]
[Round "7.5"]
[White "Mikaelyan, Arman"]
[Black "Gharibyan, Mamikon"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2485"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,6,34,36,41,30,59,60,63,54,80,85,100,66,57,65,60,64,69,57,77,28,41,20,36,34,37,38,42,31,35,33,35,45,33,36,44,0,8,17,34,34,35,26,15,25,110,2,2,2,2,2,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1689,1472,5122,5114,29966,29966,29969,29974,29970,29971,29978,29979,29972,10196]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 a5 6. Bg5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} c5 {[#]} 7. a3 $146 ({Predecessor:} 7. dxc5 Na6 8. a3 Nxc5 9. Qc2 Bxc3+ 10. Qxc3 Nce4 11. Bxf6 Qxf6 12. Qxf6 Nxf6 13. cxd5 Nxd5 {½-½ (31) Wang,H (2726)-Carlsen,M (2876) Douglas 2019}) 7... Bxc3+ 8. Qxc3 {White is slightly better.} cxd4 9. Qxd4 Nc6 10. Qh4 a4 11. Bxf6 Qxf6 12. Qxf6 gxf6 13. cxd5 exd5 14. e3 Bf5 15. Kd2 Rg8 16. Nh4 Be4 17. f3 Bg6 18. Rc1 Kd7 19. Rc5 Ra5 20. Rb5 Rxb5 21. Bxb5 Ra8 22. Rc1 Kd6 23. Nxg6 hxg6 $14 {[%mdl 4096] Endgame KRB-KRN} 24. h4 Na5 {[#] And now ...Nb3+ would win.} 25. Ke2 Nb3 26. Rd1 {next Bc4 is good for White.} Kc5 {[%cal Rc5b5]} 27. Bd3 b5 (27... Rh8 $11) 28. g4 (28. Bc2 $16) 28... Na5 $11 29. h5 {With the idea h6.} Nc4 30. Bxc4 ({Don't play} 30. hxg6 fxg6 31. Bxc4 (31. Bxg6 Rh8 $17) 31... bxc4 $17) 30... bxc4 {KR-KR} 31. Kd2 Rb8 32. Rb1 f5 33. h6 fxg4 34. fxg4 g5 35. h7 Rh8 36. Rh1 {[#] Hoping for Kc3.} Kd6 37. Kc3 {aiming for Kd4.} Ke5 38. Rh5 Ke4 39. Kd2 f6 40. Ke2 f5 $2 {[%mdl 8192]} (40... Ke5 $11) 41. gxf5 $18 Kxf5 42. Kf3 Kf6 43. Kg4 {White mates.} Ke5 44. Kxg5 Ke4 45. Kg6 Kxe3 46. Rxd5 Rb8 47. Rd7 {Weighted Error Value: White=0.10/Black=0.27} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.16"]
[Round "8.1"]
[White "Barseghyan, Armen Ar."]
[Black "Gharibyan, Mamikon"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2362"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,114,38,31,1,17,20,23,12,13,13,10,0,0,0,11,0,-7,0,47,49,50,50,51,43,43,17,62,-87,-96,-89,-39,-44,-57,-147,-105,-284,-285,-231,-114,-470,-121,-175,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-83,0,-130,-127,-117,-97,-141,-170,-112,-37,-41,-13,-95,-31,-31,0,-46,-44,-101,-107,-92,-81,-114,-31,-253,-243,-362,-350,-377,-368,-357,-381,-519,-507,-529,-543,-502,-322,-1296,-1175,-1134,-1120,-1314,-646,-646,-576]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. d4 Nd7 5. Nbd2 e6 6. O-O f5 7. c4 Bd6 8. b3 {A07: Réti Opening: New York and Capablanca Systems.} Qe7 9. Bb2 Nh6 {[#]} 10. Ne5 $146 {White has an edge.} ({Predecessor:} 10. Re1 Nf7 11. Rc1 O-O 12. Nf1 Rae8 13. Ne3 Bxf3 14. Bxf3 Qf6 15. a3 Ng5 16. Bg2 {0-1 (26) Tulay,S-Mir Mahmoud,A (2024) Antalya 2006}) 10... Nxe5 11. dxe5 Bc5 12. a3 f4 13. b4 Bb6 14. c5 Bc7 15. gxf4 O-O 16. f3 Bh5 17. e3 Nf5 18. Qe1 Kh8 19. Nb3 g5 {Strongly threatening ...gxf4.} 20. fxg5 (20. e4 $14 {keeps the upper hand.} Ng7 21. f5 exf5 22. exd5 cxd5 23. Qd2) 20... Qxg5 $17 21. f4 Qg4 {[%mdl 1024] Black has strong compensation.} 22. h3 Qg6 23. Ra2 (23. Kh2 $1 $15) 23... Rg8 {[%csl Gg8][%cal Rg6g2]} 24. Ba1 $2 (24. Bc3 $17) 24... Bd8 $19 25. Nd4 {Black should prevent Nxf5.} Bh4 (25... Nh4 $1 $19 {[%cal Rh4g2]} 26. f5 Nxg2 27. fxg6 Nxe1 28. Rxe1 Bh4) 26. Qc3 $2 {[%mdl 8192]} (26. Qc1 $17 {was the crucial defense.}) 26... Rg7 $2 (26... Nxd4 $19 {and Black stays clearly on top.} 27. exd4 Qf5) 27. Qd3 (27. Qc2 $17) 27... Nxd4 $2 (27... Rag8 $19 28. Nxf5 Bf3 $1 {[%mdl 512]} 29. Nxh4 (29. Rxf3 {leads to mate.} Qxg2+ 30. Rxg2 Rxg2+ 31. Kf1 Rg1+ 32. Ke2 R8g2+ 33. Rf2 Rxf2#) 29... Qxd3 30. Nxf3 Qxe3+ {[%mdl 64] Double Attack} 31. Kh1 Qxf4) 28. Qxg6 $11 Ne2+ 29. Rxe2 $1 Bxg6 30. Rd2 Bf5 31. Kh2 Bg3+ 32. Kh1 Rag8 33. Bd4 Rg6 34. Rfd1 Rh6 35. Kg1 (35. Rb2 $1 $11) 35... Bh4 (35... Rxh3 $17 36. Bxh3 Bxh3) 36. Kf1 (36. Kh2 $11) 36... Rhg6 $17 37. Bf3 Rg3 38. Ke2 Rxh3 {( -> ...Rh2+)} 39. Rf1 Rhg3 (39... Be7 $17 40. Kd1 h5) 40. Rb2 $15 Rxf3 $40 {[%mdl 128] White needs to defend precisely.} 41. Rxf3 (41. Kxf3 $11 {keeps the balance.} Bg4+ 42. Kg2) 41... Bg4 ({Black should play} 41... Rg1 $1 $17 {And now ...Bg4 would win.} 42. Kd2 Bg4) 42. Rb1 h5 43. Rbf1 Kh7 44. Kd3 (44. Bc3 $15) 44... Bf5+ $17 45. Kc3 {[#]} Kh6 $1 46. Rh1 {[#]} Bg3 (46... Be4 $1 $17 47. Rfh3 Bxh1 48. Rxh4 Be4) 47. Rff1 $2 ({Better is} 47. Kd2 $1 $15) 47... h4 $19 48. Kd2 (48. Rfg1 {was called for.} Kh5 49. Kb3) 48... Kh5 49. Bc3 h3 50. Ke2 Kh4 51. Rfg1 Bg4+ 52. Kf1 {intending Be1.} Bf3 53. Rh2 {White wants to play Be1.} Rg4 54. Be1 $2 (54. Rxg3 Kxg3 55. Kg1) 54... Bxe1 {Black is clearly winning.} 55. Rxg4+ Kxg4 56. f5 Bg2+ (56... Bh4 $142 57. f6 Kg3 58. Rxh3+ Kxh3) 57. Kxe1 {Threatens to win with f6.} Kxf5 {Weighted Error Value: White=0.66/Black=0.34} 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.16"]
[Round "8.2"]
[White "Lobanov, Sergei"]
[Black "Mikaelyan, Arman"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2510"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,153,25,33,11,17,16,17,6,18,7,17,7,8,0,0,0,30,29,68,46,39,47,130,132,134,128,141,152,154,128,121,118,143,180,189,171,160,149,186,171,322,163,162,162,162,132,187,264,271,278,264,249,261,249,188,179,434,434,420,427,427,414,427,403,357,345,208,253,1406,1358,1423,1403,6746,5501,5418,11866,5085,2148,29959,29963,29962,29964,29964,29966,29964,29965,29967,29969,29969,29970,29970,29970,29972,29971,29971,29974,29975,29973,29974,29975,29975,29975,29975,29976,29977,29976,29975,29977,29974,29978,29978,29979,29985,29986,29986,29984,29984,29985,29985,29986,29988,29989,29991,29992,29992,29993,29993,29994,29994,29993,29993,29994,29995,29995,29996,29997,29997,4153]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. a5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Ba7 ({Don't go for} 10... Bxa5 $2 11. dxe5 (11. d5 Ne7 $18) 11... dxe5 12. Qxd8+ Kxd8 13. Bd5 $18 (13. Bxf7 Bb6 $16)) 11. h3 O-O 12. Be3 {The position is equal.} exd4 13. cxd4 Nb4 {outshines the older 13...Nxe4.} 14. Nc3 Bb7 15. Qb1 h6 {[#]} 16. Re1 $146 ({Predecessor:} 16. e5 Nfd5 17. Ne4 dxe5 18. Nxe5 Qh4 19. Nd7 Nxe3 20. Nef6+ gxf6 21. fxe3 Bxd4 22. exd4 Qxd4+ {0-1 (59) Seemann,J (2323)-Janik,I (2480) Krakow 2021}) 16... Re8 17. e5 Nfd5 18. Qf5 Re6 19. Rad1 Nxe3 ({Black should play} 19... Qf8 $14) 20. Rxe3 $16 d5 21. Ne2 $1 Bc8 22. Qh5 c6 23. Nf4 $1 Re8 24. g4 Qe7 25. g5 Bf5 26. gxh6 g6 27. Qg5 Kh7 28. h4 c5 $2 (28... Rb7 29. Qg3 Rg8) 29. Nxd5 (29. dxc5 $142 Bxc5 30. Rc3) 29... Nxd5 $18 30. Bxd5 {Strongly threatening Qf4.} cxd4 31. Nxd4 Qxg5+ (31... Bxd4 $16 {was worth a try.} 32. Rxd4 Rbd8) 32. hxg5 Rbd8 33. Nxf5 ({Stronger than} 33. Bxf7 Re7 $17) 33... Bxe3 34. Nxe3 Rxe5 35. b4 ({Inferior is} 35. Bxf7 Rxd1+ 36. Nxd1 Re1+ 37. Kh2 Rxd1 $11) 35... Rxg5+ 36. Kf1 Kxh6 $2 (36... Rd7 37. Bf3 Rxd1+ 38. Nxd1 Rf5) 37. Bb7 Rxd1+ 38. Nxd1 Rg4 39. Bxa6 Rxb4 {[#]} 40. Bb7 $1 Ra4 41. a6 f5 {[#] If only Black now had time for ...Ra2....} 42. Ke2 $1 Ra3 (42... g5 43. Nc3 Ra5 44. Nxb5 Rxb5) 43. Kd2 b4 44. Kc2 g5 45. Ne3 g4 46. Nc4 Ra1 47. Kb2 Rxa6 48. Bxa6 {White mates.} f4 49. Bb7 g3 50. fxg3 fxg3 51. Ne3 g2 52. Nxg2 Kg5 53. Kb3 Kf5 54. Kxb4 Ke5 55. Kc5 Ke6 56. Kd4 Kf6 57. Ne3 Ke6 58. Bd5+ Kf6 59. Ke4 Kg5 60. Ke5 Kg6 61. Be6 Kg7 62. Kf5 Kh6 63. Ng4+ Kg7 64. Ne5 Kf8 65. Kf6 Ke8 66. Nd7 Kd8 67. Kf7 Kc7 68. Ke7 Kc6 69. Bc4 Kb7 70. Kd6 Kc8 71. Nc5 Kd8 72. Bb5 Kc8 73. Ne6 Kb8 74. Kc6 Kc8 75. Ba6+ Kb8 76. Kb6 Ka8 77. Nd4 {Weighted Error Value: White=0.06/Black=0.27} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.16"]
[Round "8.3"]
[White "Makaryan, Rudik"]
[Black "Daneshvar, Bardiya"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2461"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,144,6,0,3,0,18,-6,-3,-16,20,44,36,0,0,0,0,-33,-34,-31,-38,-66,-60,-63,-64,-65,-64,-50,-43,-56,-20,-53,-46,-52,-59,-60,-32,-30,-18,-18,-15,-28,-45,-127,-134,-121,-122,-120,-117,-130,-134,-112,-115,-137,-138,-168,-95,-100,-79,-92,-51,-64,-45,-32,-21,-34,-29,-41,0,-50,-29,-37,-29,-46,-35,-76,-46,-51,-20,-71,0,0,0,-23,0,-273,-273,-445,-403,-497,-497,-497,-497,-497,-497,-497,-497,-490,-490,-490,-472,-454,-437,-307,-80,-80,-30,-75,-8,-80,-79,-552,-286,-4534,-4555,-2868,-1728,-2926,-1967,-12465,-29954,-29956,-29961,-29970,-29971,-29970,-29971,-29973,-29968,-29964,-29965,-11478,-4602]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. b3 Nbd7 6. Bd3 Bb4+ 7. Bd2 Bd6 8. Nc3 O-O {D45: Semi-Slav: 5 e3.} 9. O-O Re8 10. e4 {[#]} dxc4 $146 {The position is equal.} ({Predecessor:} 10... dxe4 11. Nxe4 Nxe4 12. Bxe4 e5 13. dxe5 Nxe5 14. Qc2 f5 15. Bxf5 Nxf3+ 16. gxf3 Bxf5 17. Qxf5 Bxh2+ 18. Kxh2 Qxd2 {1-0 (47) Chan,K (2187)-Bratkovic,J (2186) Poprad 2016}) 11. Bxc4 b5 {[#]} 12. e5 $1 bxc4 13. bxc4 Bf8 14. exf6 Nxf6 15. c5 e5 16. dxe5 Nd7 17. Qe2 Nxc5 18. Rfd1 Qd3 19. Be1 Qxe2 20. Nxe2 Be6 21. Nfd4 Bd5 22. f4 Ne4 23. Nc3 Nxc3 24. Bxc3 Rad8 25. Nb3 f6 26. exf6 Re2 27. fxg7 Bxg7 28. Bxg7 (28. Kf1 $15 Rde8 29. Bxg7 Kxg7 30. Nd4 Rxg2 31. Nf5+ Kf6 32. Rxd5 {[%mdl 64] Remove Defender} cxd5 33. Kxg2 Kxf5 34. Rd1) 28... Rxg2+ $17 ({But not} 28... Kxg7 29. Rd2 $15) 29. Kf1 {Hoping for Rxd5!} Rxg7 30. Rd4 Rf8 31. Nc5 Rg4 32. Nd3 Rh4 33. Kf2 Rxh2+ 34. Ke3 Rh3+ ({Don't do} 34... Rxa2 35. Rxa2 Bxa2 36. Ra4 $15) (34... Kh8 $19 {And now ...Rg8 would win.} 35. Ne5 Rh3+ 36. Kd2 Rg8) 35. Kd2 Rg3 36. Nb4 Bg2 37. Rc1 $1 Rf6 38. Rc5 h6 39. Nd3 Bd5 40. Nb4 Bg2 41. Re5 Rg7 42. Nd3 Kh7 43. Rd8 Bd5 44. Ree8 Kg6 45. a4 a5 46. Ke3 (46. Ra8 $11 {remains equal.}) 46... h5 (46... Kh5 $17 47. Kd4 Kh4) 47. Re5 $11 h4 {...h3 is the strong threat.} 48. Nf2 {Threatening Ng4.} Kh7 {Strongly threatening ...Rg3+.} 49. f5 $2 {[%mdl 8192]} (49. Ne4 $1 $11 Bxe4 50. Kxe4) 49... h3 $1 $19 {[%cal Rh3h2]} 50. Kf4 $2 (50. Nxh3 Rg3+ {[%mdl 64] Double Attack} 51. Kd4 Rxh3 52. Re7+ Rf7 53. Rxf7+ Bxf7 54. Kc5) 50... h2 51. Ree8 {[%csl Gd8][%cal Re8h8] [#]} Rxf5+ $3 {[%mdl 512]} 52. Kxf5 {[%csl Gd8][%cal Re8h8]} Rf7+ 53. Ke5 Rxf2 {[%mdl 4096] Endgame KRR-KRB} 54. Rh8+ Kg7 55. Ra8 h1=Q 56. Rxh1 Bxh1 57. Rxa5 {KRB-KR} Rd2 58. Ra7+ Kf8 $2 (58... Kg6 $19 {and Black stays clearly on top. Threatens to win with ...Rd5+.} 59. a5 Rd5+ 60. Ke6 Be4) 59. a5 $17 Ke8 {White must now prevent ...Rd7.} (59... Ra2 {with more complications.} 60. a6 Bg2 61. Kf6 c5 62. Ke5 Ra1) 60. a6 Rd7 ({Black should play} 60... c5 $17 {aiming for ...Rd7.} 61. Rh7 Bf3) 61. Rb7 (61. Ra8+ $1 $11 Rd8 62. Ra7 (62. Rxd8+ $2 Kxd8 63. Kf5 Kc7 64. Kf4 Kb6 65. a7 c5 66. Kg4 Kb5 67. Kf4 c4 68. Ke3 Kb4 69. Kf4 c3 70. Ke3 c2 71. Kf4 Ba8 72. Kf5 c1=Q 73. Kf6 Qh6+ 74. Ke5 Qg6 75. Kf4 Qf6+ 76. Kg4 Kc3 77. Kg3 Qg5+ 78. Kh3 Kd4 79. Kh2 Qg2#)) 61... c5 62. Rb8+ $2 {[%mdl 8192] This costs White the game.} (62. Rb1 $17 {is a better chance.} Bc6 63. Rb6) 62... Rd8 63. a7 $2 (63. Rb1 Ba8 64. Ke6 Bd5+ 65. Ke5) 63... Kd7 $19 64. Rb5 Rc8 65. Rb1 Re8+ 66. Kf4 Bc6 67. Rb8 Re4+ 68. Kf5 Ra4 69. Rg8 Kc7 70. Ke5 Kb6 71. Rb8+ Kxa7 72. Rb2 Rb4 {Weighted Error Value: White=0.27/Black=0.21} 0-1

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.16"]
[Round "8.4"]
[White "Lazavik, Denis"]
[Black "Hayrapetyan, Hovik"]
[Result "1/2-1/2"]
[ECO "D64"]
[WhiteElo "2436"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,153,18,23,18,18,16,18,20,34,25,23,26,43,0,20,20,20,20,22,20,55,0,0,0,40,37,29,37,37,35,50,38,91,23,38,18,18,15,31,8,28,0,24,13,12,0,46,28,28,28,36,30,39,31,42,41,42,31,76,76,79,79,123,123,135,128,148,145,135,131,166,171,160,154,228,200,226,197,197,199,243,243,310,310,310,309,274,274,274,274,286,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,59,290,173,405,407,388,358,109,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Rc1 O-O 8. Qc2 b6 9. cxd5 {D64: Queen's Gambit Declined: Classical: 7 Rc1 c6 8 Qc2.} cxd5 10. Bd3 Bb7 11. O-O h6 {[#]} 12. Bf4 $146 ({Predecessor:} 12. Bh4 Rc8 13. Qb1 a6 14. b4 Nh5 15. Bxe7 Qxe7 16. b5 Qa3 17. Qb3 Qa5 18. Qa4 axb5 19. Bxb5 {½-½ (42) Demuth,A (2332)-Cosma,I (2458) France 2008}) 12... Nh5 13. Be5 Nhf6 14. Bf4 Nh5 15. Qe2 Nxf4 16. exf4 Bd6 17. Ne5 a6 18. Rfe1 (18. Na4 $14) 18... b5 $11 19. Qh5 f5 20. Ne2 Nxe5 21. fxe5 Bb4 22. Rf1 Qe8 23. Qh3 Rc8 (23... Bc8 $14) 24. f4 ({Better is} 24. g4 $1 $16) 24... Qg6 25. Rcd1 Bc6 26. Kh1 h5 27. Qe3 Be7 28. Ng1 Rc7 29. Nf3 Rfc8 30. g3 Be8 31. Rg1 Qh6 32. h3 Bd7 33. Rg2 Rf8 34. Rf1 Bd8 35. Nh2 g6 36. g4 Kh8 37. gxf5 gxf5 38. Nf3 Be8 39. h4 Rg8 {With the idea ...Rg4.} 40. Ng5 Bxg5 41. hxg5 ({But not} 41. fxg5 Qg7 $16) 41... Qf8 42. Qe1 Bg6 43. Rff2 Qb8 44. Rc2 Rgc8 {[#]} (44... b4 $16 {might work better.}) 45. Qb4 $1 $18 Rxc2 46. Rxc2 Rxc2 47. Bxc2 Qc8 48. Qc5 Qxc5 49. dxc5 {[%mdl 4096] Endgame KB-KB} Be8 50. Bd1 Kg7 51. c6 Bxc6 52. Bxh5 Kf8 53. b4 $2 (53. a3 $18 {has better winning chances.}) 53... Be8 $16 54. Bf3 Ke7 55. Kg2 Kd7 56. Kg3 Ke7 57. Bd1 Kd8 58. Kf2 Kc7 59. Ke3 Kb6 60. Kd4 Kc6 61. a4 Kb6 62. axb5 (62. a5+ {with more complications.} Kc6 63. Be2 Bg6 64. Bf3 Bf7 65. Bg2) 62... axb5 $2 ({Black should try} 62... Kxb5 $14 63. Be2+ Kb6) 63. Be2 (63. Ke3 $142 Kc6 64. Bf3) 63... Kc6 $18 64. Ke3 Kb6 {[#]} 65. Kf2 $1 Kc7 66. g6 (66. Kg3 $16) 66... Bxg6 $11 {The position is equal.} 67. Bxb5 Kd8 68. Ke3 Be8 69. Bd3 {Threatening Kd4.} (69. Ba6 {seems wilder.} Kc7 70. Kd4 Kc6 71. b5+ Kb6 72. Bc8) 69... Kc7 70. Kd4 {And now Kc5 would win.} Kc6 71. Ba6 Bd7 72. Kc3 (72. Be2 {looks sharper.} Kb6 73. Kc3 Bc6 74. Bd1 Bd7 75. Bh5) 72... Kb6 73. Be2 Be8 74. Bf1 Bb5 75. Bg2 Be2 76. Kd4 (76. Kd2 $5 {[%cal Rd2e2]} Bc4 77. Kc3 $11) 76... Kc6 77. Bh1 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.11/Black=0.12} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.16"]
[Round "8.5"]
[White "Babujian, Levon"]
[Black "Sargsyan, Anna M."]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2440"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,139,13,13,18,75,35,52,54,56,58,58,64,86,74,84,64,92,89,83,81,83,70,77,70,72,80,166,168,170,179,157,174,183,133,132,130,266,270,302,302,310,302,308,298,333,312,313,287,317,304,318,294,292,290,428,441,427,377,368,369,443,414,408,407,402,403,392,372,447,447,440,440,440,440,477,340,373,369,392,392,385,385,385,385,385,379,511,473,504,517,492,479,516,503,473,442,429,428,427,402,427,417,364,292,12840,12841,12841,12841,12844,12844,12845,12845,12845,12846,12846,12847,12847,12847,12850,12846,12846,12847,12847,12847,12849,12849,12850,27999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Nf3 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5.} f6 {[#]} (8... Bg7 $11 {remains equal.}) 9. Qb1 $146 {[%mdl 1024] White has strong compensation.} ({Predecessor:} 9. Rb1 b6 10. Nd2 c6 11. a4 Bg7 12. Nxc4 Nd7 13. Bd3 O-O 14. O-O Bf7 15. Qe2 Qc7 {½-½ (42) Radzikowska,K (2105)-Mayer Vokralova,S Bydgoszcz 1978}) 9... b6 10. Nd2 {White is slightly better.} Qd7 11. Be2 ({Much weaker is} 11. Bxc4 $6 Bxc4 12. Nxc4 Qc6 $11) 11... Bg7 12. O-O O-O 13. Nxc4 Bf7 14. a4 a5 15. Bg3 Nc6 16. Rd1 Rad8 17. Qb5 Na7 18. Qxd7 Rxd7 19. Na3 Bb3 {[#]} (19... e6 $16 {might work better.}) 20. Rdb1 $1 $18 {[%cal Rb1b3]} Bxa4 21. Bc4+ Kh8 {and if ...e5 works, Black does fine.} 22. Be6 {aiming for Nc4.} Rfd8 23. Bxd7 Rxd7 24. Nc4 $36 {[%mdl 2048] White is in control.} Bc2 {This costs Black the game.} (24... Bb5 $16) 25. Rb2 Bd3 26. Nxa5 {Nb7 is the strong threat.} Kg8 {[#]} 27. Rd2 $1 {Black must now prevent Nb7.} Bf5 28. Nb3 Nc6 29. Ra8+ Kf7 30. c4 Bh6 31. d5 Ne5 32. Bxe5 fxe5 33. Kf1 c6 (33... e6 $142 34. dxe6+ Kxe6) 34. dxc6 Rc7 35. c5 bxc5 36. Na5 Bg7 37. Rb8 e4 38. Rc2 Be5 39. Rxc5 Bd6 40. Rcb5 Bc8 {If only Black now had time for ...Ba6....} 41. Ra8 Kf6 42. Rbb8 Be6 43. Rb7 Ke5 44. Rxc7 Bxc7 {[%mdl 4096] Endgame KRN-KB} 45. Nb7 Kd5 46. Nd8 Bf5 47. h3 h5 48. Ke2 Kc5 49. Kd2 e5 50. Kc3 Kb5 51. Kb3 Kc5 52. Ka4 g5 53. Kb3 h4 54. Kc2 g4 55. hxg4 Bxg4 56. Nf7 h3 57. gxh3 Bxh3 58. Ng5 Bg2 (58... Bf1 59. Nxe4+ Kxc6) 59. Ne6+ {White is clearly winning.} Kxc6 60. Nxc7 Kxc7 {KR-KB} 61. Ra6 Kd7 62. Kc3 Bf1 63. Rb6 Ke7 64. Kb4 Bh3 65. Kc5 Be6 66. Rb7+ Kf6 67. Kd6 Bg4 68. Re7 Bf5 69. Rxe5 Kg5 70. Rxf5+ {Weighted Error Value: White=0.08/Black=0.22} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.17"]
[Round "9.1"]
[White "Sargsyan, Anna M."]
[Black "Barseghyan, Armen Ar."]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2402"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,12,8,33,33,33,33,33,35,30,34,46,29,32,0,0,-12,6,0,0,-16,-12,-16,-21,-33,0,0,0,-38,-32,-71,-75,-70,-58,-118,-26,-31,-23,-35,-42,-36,0,0,0,0,0,0,0,0,6,6,15,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Qc7 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 7. c3 d6 8. d4 cxd4 {White is slightly better.} 9. cxd4 Nf6 10. Nc3 O-O 11. h3 Bb7 {[#]} 12. Qc2 $146 ({Predecessor:} 12. e5 dxe5 13. dxe5 Rfd8 14. Qc2 Nd5 15. Nxd5 Rxd5 16. e6 f6 17. Be3 a5 18. Bc5 {0-1 (55) Giri,A (2776)-Carlsen,M (2870) Kolkata 2019}) 12... c5 13. d5 Nd7 14. Bf4 a5 15. Rad1 Rfb8 16. h4 Ba6 17. h5 Qb6 18. Na4 Qb4 {[%cal Rg7b2]} 19. hxg6 hxg6 {[%cal Rg7b2]} 20. Bd2 Qc4 21. Nc3 a4 22. Rc1 (22. Qxa4 $15 Qxa4 23. Nxa4) 22... Qd3 (22... Ne5 $17 {White must now prevent ...Nd3.} 23. Nxe5 Bxe5) 23. Qd1 $1 $11 Ne5 24. Nxe5 Bxe5 25. Nxa4 Bd4 26. b3 {The position is equal.} c4 {[%cal Rc4b3]} 27. Be3 Qxd1 28. Rcxd1 Bxe3 29. Rxe3 cxb3 30. axb3 Bc4 31. bxc4 {[#] Threatens to win with Nc3.} Rxa4 {[%mdl 4096] Endgame KRR-KRR} 32. Rc1 Rb2 33. e5 dxe5 34. Rxe5 Raa2 35. Rf1 Kf8 36. c5 Rd2 37. d6 {Accuracy: White = 86%, Black = 81%.} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.17"]
[Round "9.2"]
[White "Hayrapetyan, Hovik"]
[Black "Babujian, Levon"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2488"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,162,-20,0,-25,-21,-31,-17,-29,-29,-32,-17,-12,-13,-12,-6,-31,-37,-22,-21,-47,-47,-40,-49,-81,-81,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-95,-94,-92,-94,-94,-91,-94,-94,-94,-91,-91,-91,-132,-135,-142,-94,-153,-153,-153,-153,-213,-213,-206,-206,-199,-165,-158,-158,-158,-29,-29,-36,-36,-20,-43,-20,-20,-20,-20,-20,-20,-20,-27,-20,-20,-20,-20,-20,-27,-20,-20,0,-27,-14,-14,-14,-14,-14,-14,-14,-14,-14,-14,-9,-9,-9,-10,-9,-9,0,0,0,-8,0,-8,-7,-9,-8,-10,-10,-10,-10,-10,-10,-10,-10,-10,-10,-17,-17,-17,-17,-17,-17,-17,0,-17,-17,-17,-17,-17,0,-17,-17]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. e3 Nf6 7. Be2 O-O 8. O-O d5 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qc5 12. Nxc6 bxc6 13. Qa4 Rb8 14. Qxc6 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} Qa5 15. Qd5 {[#]} Qa6 $146 ({Predecessor:} 15... Rb5 16. Qd3 Rd8 17. Qe2 Ba6 18. Qe1 Qb6 19. Rb1 Rc5 20. Be2 Rc2 21. Bxa6 Qxa6 {0-1 (40) Sorroche Martin,J (2290)-Hernando Rodrigo,J (2185) Barcelona 1996}) 16. e4 Be6 17. Qc5 Bxb2 (17... Bf6 {is interesting.} 18. Be3 Bxb2 19. Rad1 Bc4 20. Rfe1 Bc3) 18. Bxb2 Rxb2 19. a4 Qb7 20. e5 {[#]} Rc8 $1 21. Qe3 Qb8 22. h3 Rb3 23. Qg5 Qb4 24. Rfd1 Kg7 25. Bd5 Bxd5 26. Rxd5 Rc2 27. Rb5 Qd4 28. Rf1 {[#]} Rxb5 29. axb5 $17 {[%mdl 4096] Endgame KQR-KQR} Qc5 30. Qe3 Qxe3 31. fxe3 {KR-KR} Rc5 32. Ra1 Rxe5 33. Kf2 Rxb5 34. Rxa7 Kf6 35. Ra6+ Kg5 36. Ra7 Rf5+ 37. Kg1 Kf6 38. Ra3 ({White should try} 38. Ra6+ e6 39. Ra4) 38... h5 39. Ra4 g5 40. Rb4 (40. h4 $17 {is a better defense.}) 40... h4 $19 41. Ra4 e6 42. Rb4 Kg6 43. Ra4 Kh5 44. Ra7 g4 (44... f6 $17 45. Re7 Re5) 45. hxg4+ $1 $11 Kxg4 46. Ra8 Rb5 47. Rg8+ Kf5 48. Kf2 e5 {And now ...Rb2+ would win.} 49. Kf3 $1 Rb4 50. g4+ hxg3 51. Rxg3 Rh4 52. Rg7 f6 53. Rb7 Rh3+ 54. Ke2 Rh2+ 55. Kf3 $1 Rh3+ (55... Rh4 {feels hotter.} 56. Rb5 Kg5 57. Ra5 Rh8 58. Rb5 Rh3+) 56. Ke2 Ke4 57. Rb4+ {The position is equal.} Kd5 58. e4+ Kc5 59. Ra4 (59. Rb1 {seems wilder.} Rh8 60. Kf2 Rh2+ 61. Ke3 Kd6 62. Rd1+) 59... Rb3 {White must now prevent ...Rb4.} 60. Ra6 (60. Ra5+ {keeps more tension.} Kd6 61. Ra6+ Ke7 62. Ra7+ Ke8 63. Ra8+) 60... Rb6 61. Ra5+ Kd4 62. Ra4+ Kc3 63. Ra8 Rc6 64. Rd8 Kb3 65. Rb8+ Kc2 66. Rd8 (66. Rf8 {feels hotter.} Rd6 67. Rc8+ Kb3 68. Kf3 Rd3+ 69. Kg4) 66... Kc3 67. Rd7 Kc4 68. Ke3 Kc5 69. Rd5+ Kb6 70. Rd7 Rc3+ 71. Ke2 Kc5 72. Rf7 Kd4 73. Rxf6 Kxe4 74. Rh6 Rc2+ 75. Ke1 Kd4 (75... Ra2 {is more complex.} 76. Rh3 Kf4 77. Rh4+ Ke3 78. Rh3+ Kd4) 76. Rh4+ e4 {Threatens to win with ...Kd3.} 77. Rh3 Rc1+ 78. Ke2 Ra1 79. Rg3 Ra2+ 80. Ke1 Rc2 81. Rh3 Ke5 {Black had all chances to win.  Weighted Error Value: White=0.07/Black=0.09} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.17"]
[Round "9.3"]
[White "Daneshvar, Bardiya"]
[Black "Lazavik, Denis"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2399"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,58,25,25,25,25,18,20,14,14,20,30,27,32,32,35,31,32,4,13,4,10,8,31,10,28,28,35,32,37,37,53,0,11,0,23,25,26,33,23,12,10,22,0,0,0,0,10]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 Nc6 6. Nc3 Bf5 7. Qb3 $1 {The main line 7.Qb3 scores better than 7.Nf3.} Na5 8. Qa4+ {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bd7 9. Qc2 e6 10. Nf3 Be7 11. h3 Nc6 12. a3 O-O 13. Bd3 {[#]} Qa5 $146 ({Predecessor:} 13... Rc8 14. O-O a6 15. Rac1 h6 16. Qe2 Be8 17. Rc2 Bd6 18. Ne5 Bxe5 19. Bxe5 Nxe5 20. dxe5 {1-0 (54) Vakhidov,J (2533)-Postny,E (2600) Lichess.org INT 2020}) 14. O-O Rfc8 15. b4 Qd8 16. Qb2 a6 17. Rfc1 Be8 18. Nd2 h6 19. Nb3 Bd6 20. Bxd6 Qxd6 21. Nc5 Nd8 22. f4 a5 23. b5 Nd7 (23... b6 $5 {[%cal Rb6c5]} 24. Nb3 Nb7 $11) 24. N3a4 b6 25. Na6 f5 26. Rxc8 Rxc8 {The position is equal.} 27. Rc1 Rxc1+ 28. Qxc1 Kf8 29. Kf2 g5 {Accuracy: White = 89%, Black = 100%.} 1/2-1/2

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.17"]
[Round "9.4"]
[White "Mikaelyan, Arman"]
[Black "Makaryan, Rudik"]
[Result "1-0"]
[ECO "E36"]
[WhiteElo "2485"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,53,5,0,27,25,43,40,40,23,40,50,35,29,43,22,33,-28,0,-42,-53,-87,-109,-110,104,128,203,214,412,409,578,559,757,749,752,748,752,745,710,604,680,664,954,950,1476,1384]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} 7. dxc5 d4 8. Qg3 {8.Qg3 scores better than 8.Qc2.} Nc6 {White is slightly better.} 9. Nf3 e5 10. b4 {10.e4 is not played anymore.} e4 11. Nd2 (11. Qxg7 $2 Rg8 $19) 11... O-O 12. Bb2 Re8 {[#]} 13. O-O-O $146 (13. e3 $14) ({Predecessor:} 13. e3 a5 14. b5 Ne5 15. h4 dxe3 16. fxe3 Nh5 17. Qf2 Ng4 18. Qg1 Ng3 19. Bd4 Nxh1 20. Qxh1 {0-1 (35) Xi,Q (2134)-Bacrot,E (2710) Jiangmen 2018}) 13... b6 {Black wants to play ...bxc5.} 14. Qd6 Bd7 {And now ...Re6 would win.} 15. Nb3 (15. Bxd4 $2 Nxd4 16. Qxd4 Ba4 $19) 15... Re6 16. Qf4 {[#] aiming for g3.} bxc5 $2 (16... e3 $1 $17) 17. Nxc5 $16 Qb6 (17... Rc8 $16 18. e3 (18. Nxe6 Bxe6 19. e3 d3 $16) (18. Bxd4 Nxd4 19. Rxd4 Rxc5 $16) 18... d3) 18. e3 ({And not} 18. Bxd4 Nxd4 19. Rxd4 Rc6 $11) 18... Nxb4 $2 (18... a5) 19. axb4 $18 ({Not} 19. Nxe6 Na2+ 20. Kb1 Nc3+ 21. Kc1 Na2+ 22. Kb1 Nc3+ 23. Kc1 Nxd1 $11) 19... Qxb4 (19... d3 $142 20. Nxe6 Qxe6 21. Bxd3 exd3 22. Rxd3 Ne8) 20. Nxe6 {White is clearly winning.} d3 21. Bxd3 exd3 22. Nc7 Rb8 23. Nb5 Rc8 24. Na3 Be6 25. Rxd3 {[%cal Bd1d3,Bd3c3,Bc3c4][%mdl 32]} Bxc4 26. Rc3 Nd5 27. Rxc4 {Weighted Error Value: White=0.23/Black=0.60} 1-0

[Event "11th A.Margaryan Memorial 2021"]
[Site "Yerevan"]
[Date "2021.01.17"]
[Round "9.5"]
[White "Gharibyan, Mamikon"]
[Black "Lobanov, Sergei"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2432"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.01.09"]
[EventType "tourn"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,79,18,29,5,10,11,18,5,33,9,86,31,45,41,64,64,68,58,64,21,25,13,15,-36,-25,-32,0,-14,11,0,25,36,54,0,39,30,17,0,0,0,0,0,0,0,0,0,0,0,8,8,8,12,20,14,10,3,8,8,8,7,8,8,12,4,8,0,0,0,0,-875]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Nbd7 5. Nc3 h6 6. Bh4 Bb4 7. Rc1 {D51: Queen's Gambit Declined: 4 Bg5 Nbd7 sidelines.} g5 8. Bg3 Ne4 {[#]} 9. Nd2 $146 ({Predecessor:} 9. cxd5 exd5 10. Qb3 Bxc3+ 11. bxc3 c6 12. Ne5 h5 13. Nxd7 Qxd7 14. f3 Nxg3 15. hxg3 {1-0 (57) Pivonka,M (1612)-Kalvach,L (1924) Ricany 2014}) 9... Nxg3 (9... Nxd2 {keeps more tension.} 10. Kxd2 c5 11. Kc2 Bxc3 12. bxc3 dxc4 13. h4 Qa5) 10. hxg3 c5 (10... dxc4 $11 11. Qa4 Be7) 11. e3 (11. cxd5 $16 Bxc3 12. bxc3 (12. Rxc3 cxd4 13. Rc1 Nb6 $16)) 11... cxd4 $14 12. exd4 dxc4 13. Nxc4 Kf8 14. Be2 b5 15. Nd2 (15. Ne3 {is interesting.} Nf6 16. Bxb5 Bb7 17. Kf1 Rc8 18. Be2) 15... a6 16. Bf3 Rb8 17. g4 ({White should try} 17. Qe2 $11) 17... Nf6 $15 18. Nb3 Bd6 19. Nc5 a5 20. g3 Bxc5 21. dxc5 Qxd1+ 22. Rxd1 (22. Nxd1 $14 Ba6 23. c6) 22... Ke7 (22... b4 $5 {[%cal Rb4c3]} 23. Na4 (23. Rd8+ Kg7 $11) 23... e5 $14) 23. c6 b4 24. Ne4 {The position is equal.} Nxe4 25. Bxe4 Rb5 26. f4 Rc5 27. Kf2 f5 28. gxf5 exf5 29. Rd5 Rxc6 30. Bxf5 gxf4 31. gxf4 Rf6 32. Bxc8 Rxc8 33. Rxa5 {White wants to play Kf3.} Rxf4+ $11 {[%mdl 4096] Endgame KRR-KRR} 34. Ke3 Rf6 35. Ra7+ Kf8 36. Rb7 Ra8 37. Rxb4 {Threatening a4.} Rxa2 38. Rb7 Raa6 39. Kd4 Rab6 40. Ke4 $2 {[%mdl 40960] Weighted Error Value: White=0.13/Black=0.10. An unexpected result.} 1/2-1/2

