[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.14"]
[Round "1"]
[White "Kovalenko, Igor"]
[Black "Gabuzyan, Hovhannes"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2659"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,97,13,0,27,7,61,54,73,69,62,40,58,65,91,81,130,127,133,122,216,200,194,180,261,254,275,268,283,290,276,289,274,216,237,235,208,221,362,358,352,335,348,338,354,339,357,315,452,452,617,614,600,572,573,547,521,514,538,485,467,475,722,720,715,706,1013,1127,1970,1792,5718,5718,5718,5718,5710,5706,5702,5694,5694,5694,5393,5393,5726,5393]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 Bb7 6. Bd3 O-O 7. O-O c5 8. Bd2 cxd4 9. exd4 {LiveBook: 69 Games} Nc6 {E43: Nimzo-Indian: Rubinstein: 4...b6} (9... d5 10. a3 Bxc3 11. Bxc3 dxc4 12. Bxc4 Ba6 13. b3 Bxc4 14. bxc4 Nbd7 15. Rc1 Rc8 16. Qa4 Qc7 17. Bb4 Rfd8 18. Rfd1 Qb7 19. Qb3 h6 20. h3 Nf8 {1-0 (42) Nakamura,H (2787)-Carlsen,M (2853) chess.com INT 2016}) 10. Re1 $146 ({Predecessor:} 10. a3 Bxc3 11. bxc3 d6 12. Re1 Rc8 13. Bg5 h6 14. Bh4 Na5 15. Qe2 Bxf3 16. Qxf3 Nxc4 17. Re2 {0-1 (58) Varivoda,A (1781)-Shurunov,A (2070) Khanty-Mansiysk 2016}) 10... Bxc3 (10... d5 $11) 11. Bxc3 $14 d5 {White is slightly better.} 12. c5 a5 13. Rc1 Ne4 14. Qb3 $36 {[%mdl 2048] White is pushing.} Nxc3 15. Rxc3 Rb8 16. cxb6 Ba8 17. Qc2 g6 (17... h6 $16 {was worth a try.}) 18. Rxc6 $18 Bxc6 19. Qxc6 {Threatens to win with b7.} Rxb6 (19... Qxb6 {was necessary.} 20. Qc1 Qxb2) 20. Qc1 a4 21. Re2 {[%cal Be1e2,Be2c2,Bc2c7,Bc7b7][%mdl 32]} Kg7 22. h4 Rb7 23. Rc2 Qf6 24. Rc7 Rfb8 {[#]} 25. Rxb7 $1 Rxb7 26. Bc2 Rb4 (26... Ra7 $142 27. Qd2 h5) 27. a3 Rc4 {[#]} 28. Qd2 $1 Qd8 29. Ne5 Rc7 30. h5 ({Not} 30. Bxa4 Qxh4 31. Bd1 Rc8 $18) 30... gxh5 31. Bxa4 f6 (31... h6 $142 32. f4 Qb8) 32. Nd3 {White is clearly winning.} e5 33. dxe5 fxe5 34. Nxe5 Qf6 35. Nf3 h4 36. Bb3 h3 37. gxh3 d4 38. Qxd4 Rc1+ (38... Qxd4 $142 39. Nxd4 Rc1+ 40. Kg2 Rb1) 39. Kg2 Qxd4 40. Nxd4 Rb1 41. a4 {[%cal Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Rxb2 42. a5 Rb1 43. a6 Ra1 44. Bc4 Ra4 45. Bb5 Ra3 46. Nc6 Kf6 47. Bc4 Kf5 48. a7 h5 49. Bd5 {Precision: White = 87%, Black = 33%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.14"]
[Round "1"]
[White "Kravtsiv, Martyn"]
[Black "Ter-Sahakyan, Samvel"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2653"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,59,37,17,20,18,11,10,26,24,32,27,22,14,49,29,196,196,175,186,175,83,111,116,143,100,60,28,202,191,213,215,237,237,238,238,236,229,261,203,410,412,736,731,715,710,1191,1184,1177,1156]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 {[%cal Bd4b3,Bb3d2,Bd2c4][%mdl 32]} a5 {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3} (6... d5 7. Bg5 Be6 8. Bxf6 gxf6 9. exd5 Qxd5 10. Qxd5 Bxd5 11. Nc3 Be6 12. O-O-O Nc6 13. Bb5 Rc8 14. Nd5 f5 15. Na5 Bh6+ 16. Kb1 Kf8 17. Nb3 Kg7 18. Rhe1 Rhd8 19. Nc3 Rxd1+ 20. Nxd1 {0-1 (56) Harikrishna,P (2758)-Giri,A (2769) Shenzhen 2017}) 7. Nc3 {LiveBook: 5 Games} a4 8. Nd2 a3 {The position is equal.} 9. bxa3 Be6 $146 ({Predecessor:} 9... Nc6 10. Nc4 Nd4 11. Rb1 Be7 12. Be3 O-O 13. Bxd4 exd4 14. Qxd4 {1-0 (49) Laihonen,P (2192)-Manninen,A (2101) Finland 2015}) 10. Nc4 Be7 11. Rb1 O-O $1 12. Rxb7 Nbd7 (12... Bxc4 $5 13. Bxc4 Qc8 14. Rxe7 Qxc4 $16) 13. Rb4 d5 $2 (13... Qc7 $11 {and Black is okay.}) 14. exd5 $18 Bxb4 15. axb4 Bf5 16. Bd3 (16. Ne3 $1 $18 {[%cal Re3f5] is more deadly.} Bg6 17. Bb5) 16... Bxd3 17. Qxd3 ({But not} 17. cxd3 $6 Nb6 $14) 17... Qc7 {aiming for ...Rfc8.} 18. Ne3 Rfc8 19. Bb2 {Threatens to win with a3.} Nb6 $2 (19... Qb6 $11 20. a3 Qd4) 20. d6 Qa7 {[#]} 21. a3 $1 Rc6 22. Ne4 Nxe4 23. fxe4 ({Not} 23. Qxe4 Rxd6 24. Qxe5 Rg6 $14) 23... f6 {[#]} 24. c4 $1 {[%cal Bc2c4,Bc4c5][%mdl 32]} Na4 25. c5 Nxb2 $2 (25... Kh8) 26. Qd5+ Kh8 (26... Kf8 $142) 27. Qxc6 {White is clearly winning.} Qxa3 28. Ke2 Nd3 {[#]} 29. Qxa8+ $1 {[%mdl 512]} Qxa8 30. Kxd3 {Precision: White = 57%, Black = 46%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.14"]
[Round "1"]
[White "Swiercz, Dariusz"]
[Black "Amin, Bassem"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2647"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,138,33,17,17,17,33,17,33,33,35,31,41,0,46,14,18,18,10,4,21,0,0,0,0,0,0,0,0,24,39,23,23,23,23,23,27,26,34,8,152,72,87,8,17,-9,21,13,31,0,49,60,154,136,130,114,208,67,61,56,81,91,108,110,124,22,22,35,201,22,40,25,29,53,84,53,74,35,133,112,115,100,87,79,126,102,287,8,8,8,8,-126,-121,-142,-39,-158,-137,-171,-175,-164,-175,-171,-168,-358,-358,-1001,-933,-29986,-175,-29987,-29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 exd4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} (16... Bg7 17. a4 Nb6 18. Qc1 Kh7 19. b3 bxa4 20. bxa4 a5 21. dxe5 dxe5 22. Bb3 Qe7 23. Be3 Nfd7 24. h4 Ba6 25. h5 {1-0 (59) Yu,Y (2738)-Piorun,K (2651) Caleta 2017}) 17. cxd4 c5 18. d5 Bg7 {The position is equal.} 19. Bf4 Nb6 20. Qc1 Kh7 21. Rb1 Rc8 $146 ({Predecessor:} 21... Qc7 22. b3 a5 23. Bd3 b4 24. Qc2 {½-½ (49) Satici,A (2360)-Vaclav,J (2459) ICCF email 2011}) 22. a3 (22. a4 $5) 22... a5 23. b3 Ba6 24. Qd2 b4 25. axb4 axb4 26. Ra1 Ra8 27. Bd3 Bxd3 28. Rxa8 (28. Qxd3 $2 Rxa1 29. Rxa1 Nfxd5 $19) 28... Nxa8 29. Qxd3 Nc7 30. Nf1 Nh5 31. Bh2 Bc3 32. N1d2 Qd7 33. Re3 {White wants to play g4.} Ra8 34. g4 Ng7 (34... Ra1+ $11 35. Re1 Rxe1+ 36. Nxe1 Bxd2 37. Qxd2 Nf6) 35. Nc4 ({White should try} 35. e5 $1 {[%cal Re5d6]} dxe5 36. Ne4 Ra1+ 37. Kg2) 35... Ra6 $16 36. Kg2 ({Better is} 36. e5 $1 $16 {[%cal Re5d6]} dxe5 37. d6 Ra1+ 38. Kg2) 36... Nge8 $11 37. Ng1 Bd4 38. Re1 Bc3 39. Re3 f6 40. Ne2 Nb5 (40... Be5 $14) 41. Nf4 $16 (41. Nxc3 bxc3 42. Re1 Nec7 $11) 41... Qf7 42. Ne6 Nd4 (42... Ra1 $16 43. Rf3 Nd4) 43. Nxd4 (43. e5 $1 $18 Qb7 44. exd6 Qxd5+ 45. Qe4 Qxe4+ 46. Rxe4 Nxd6 47. Nxd6) 43... Bxd4 $14 44. Re2 $1 Qd7 45. Ne5 Qb7 46. Nc6 Bc3 47. h4 (47. f4 $1 $16) 47... Ra8 $11 48. h5 Qg7 $2 (48... Qf7 $1 $14) 49. Bg3 $2 ({Only move:} 49. e5 $1 $18 {[%cal Re5d6]} fxe5 50. f4) 49... Kh8 $1 50. hxg6 (50. e5 $5 fxe5 51. hxg6 $11) 50... Qxg6 51. Qf3 Qg7 52. Rc2 {[%cal Be2c2,Bc2c1,Bc1h1][%mdl 32]} Be5 53. Rc1 Nc7 (53... Bxg3 $1 $14 54. Kxg3 (54. Qxg3 Kg8 $14) 54... Ra3) 54. Rh1 $16 {aiming for Qe3.} Nb5 55. Qf5 {Strongly threatening g5!} Bxg3 56. Kxg3 (56. fxg3 $6 Ra2+ 57. Kf3 Ra3 $11) 56... Nc3 57. Kg2 c4 $2 (57... Re8 $16 {is a better defense.}) 58. Qf4 $2 (58. Nxb4 cxb3 59. Nd3 Ne2 $11) (58. bxc4 $18 b3 59. Nd4) 58... Qg5 $132 {[%mdl 2048] Black has counterplay} (58... cxb3 $2 59. Ne7 $1 $18 {[%mdl 512]}) 59. Qxg5 $1 (59. Rxh6+ $2 Kg7 $19) 59... fxg5 {[%mdl 4096] Endgame KRN-KRN} 60. Nd4 ({Don't capture} 60. Rxh6+ $2 Kg7 $19) (60. bxc4 $11 {remains equal.} b3 61. e5 (61. Rxh6+ Kg7 $17) 61... dxe5 62. d6 (62. Nxe5 b2 $11) (62. Rxh6+ Kg7 $17)) 60... cxb3 $17 61. Nxb3 Kh7 (61... Kg7 $17 {Hoping for ...Ra3.} 62. Re1 Ra3) 62. Nd4 (62. Re1 $1 $15) 62... Nxe4 63. Rb1 Ra2 64. Rxb4 Rxf2+ 65. Kh3 Kg6 66. Rb6 $2 (66. Rb7 {might work better.}) 66... h5 $19 67. Nb5 $2 (67. Rb8) 67... Rb2 68. Rb7 hxg4+ 69. Kxg4 {[#] If White can now play Nxd6! this consolidates a bit.} Rb3 $1 {Precision: White = 31%, Black = 50%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.14"]
[Round "1"]
[White "Nabaty, Tamir"]
[Black "Petrosyan, Manuel"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2644"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,89,31,30,34,0,14,1,23,15,58,70,57,60,76,75,64,62,64,48,268,120,178,163,226,12,165,177,158,171,317,291,312,314,308,183,443,412,391,325,500,495,493,454,474,447,554,532,503,461,447,454,446,448,435,433,481,479,795,806,1388,1368,11101,6125,7417,6304,12850,10062]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Nf3 b6 8. e3 Bb7 9. Be2 Nbd7 10. O-O Ne4 11. Qc2 f5 12. b4 Qe7 13. Ne1 {[%cal Bf3e1,Be1d3,Bd3b4,Bb4c6][%mdl 32] LiveBook: 4 Games. E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} (13. Bb2 c5 14. Nd2 Qg5 15. f4 Qg6 16. Nf3 Ndf6 17. Rad1 Ng4 18. Qb3 Qh6 19. bxc5 Nxc5 20. dxc5 Bxf3 21. h3 Bxe2 22. hxg4 fxg4 23. e4 Bxf1 24. Rxf1 Rxf4 {0-1 (24) Karpov,A (2619)-Anand,V (2788) Moscow 2009}) 13... a5 14. f3 Nef6 15. Rb1 {The position is equal.} axb4 16. axb4 Ra7 17. b5 $146 ({Predecessor:} 17. Nd3 Rfa8 18. Bb2 Nf8 19. b5 Ng6 20. Qc3 Nf8 {½-½ (41) Galia,K-Mueller,H Bad Gastein 1948}) 17... e5 18. Nd3 e4 19. Nb4 exf3 20. gxf3 Nh5 21. Nc6 Qh4 $2 (21... Qg5+ $14 22. Kh1 Raa8) 22. Bd3 (22. Nxa7 $18 {is the precise move to win.} Rf6 23. Rf2 Rg6+ 24. Rg2 Bxf3 25. Rxg6) 22... Raa8 (22... Bxc6 $16 {was called for.} 23. bxc6 Ndf6) 23. Bxf5 $18 Qg5+ {[#]} (23... Ndf6 $142 24. Qf2 Qg5+ 25. Qg2 Qxg2+ 26. Kxg2 Rfe8) 24. Bg4 $2 ({White must play} 24. Kh1 $1 $18 Nhf6 25. Qf2) 24... Bxc6 $2 (24... Ndf6 $1 $11 25. e4 Nf4) 25. bxc6 Ndf6 26. Rb5 $36 {[%mdl 2048] Keeping Black busy.} d5 {[#]} (26... Qh6 $142 27. Be6+ Kh8) 27. Qf5 $1 {[%cal Rf5g5]} Qh4 {White must now prevent ...Ng3!} 28. Bxh5 ({Wrong is} 28. cxd5 $2 Ng3 $19) 28... g6 29. Qe5 (29. Bxg6 $142 {e4 is the strong threat.} hxg6 30. Qe5 (30. Qxg6+ Kh8 $11)) 29... Rae8 $2 (29... Nxh5 {is a better defense.} 30. Qxc7 (30. Qxd5+ Rf7 $18) 30... Qg5+ 31. Kh1 Ra2) 30. Qxc7 Qxh5 31. Qg3 Ne4 (31... Rc8 $142 32. cxd5 Nxd5) 32. Qg4 {White is clearly winning.} ({Not} 32. fxe4 Rxf1+ 33. Kxf1 Qd1+ 34. Kg2 Rf8 $11) 32... Qxg4+ 33. fxg4 dxc4 34. Rxb6 Rxf1+ 35. Kxf1 {[%mdl 4096] Endgame KRB-KRN} Kf7 36. c7 Rc8 37. Rc6 Ke7 38. Rxc4 Kd7 39. Ke2 Nf6 40. Kf3 h5 (40... Nd5 $142 41. e4 Rf8+ 42. Kg3 Nxc7) 41. gxh5 gxh5 42. e4 Rxc7 43. Rxc7+ Kxc7 44. Kf4 Kd7 45. Kf5 {Precision: White = 64%, Black = 31%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.14"]
[Round "1"]
[White "Martirosyan, Haik M"]
[Black "Harutyunian, Tigran K"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2516"]
[BlackElo "2523"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,97,15,0,40,20,35,30,39,31,60,58,45,44,58,48,51,37,35,31,23,0,16,-17,-25,0,0,0,0,0,24,0,0,8,7,9,20,32,32,23,23,0,35,47,33,0,87,97,160,165,237,167,159,152,258,237,139,141,137,145,139,121,131,129,237,233,231,231,230,229,502,489,496,490,519,521,777,744,977,954]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Bd3 {D43: Semi-Slav: 5 Bg5 h6} (8. Rc1 Nd7 9. Be2 Bg7 10. cxd5 exd5 11. b4 a6 12. a4 Qd6 13. b5 axb5 14. axb5 Nb6 15. O-O Be6 {½-½ (31) Yu,Y (2750)-Giri,A (2769) Shenzhen 2017}) 8... Bg7 9. O-O O-O 10. Qe2 (10. Ne5 dxc4 11. Bxc4 c5 12. Nf3 cxd4 13. Nxd4 Nd7 14. Qb3 Nb6 15. Be2 e5 {½-½ (75) Martirosyan,H (2516)-Harutyunian,T (2511) Yerevan 2017}) 10... dxc4 11. Bxc4 {LiveBook: 3 Games} b6 12. e4 Qe7 13. e5 Nd7 14. Rfe1 a6 15. Bd3 Bb7 16. Be4 $146 b5 17. Rac1 Rab8 18. h4 Rfd8 19. Qe3 Nb6 20. Qf4 Rbc8 21. h5 g5 22. Qg4 Nd5 23. Bxd5 cxd5 24. Nd2 Qb4 25. Rb1 Rc7 26. a3 Qe7 27. Na2 f6 28. exf6 Qxf6 29. Nf3 Qf5 30. Qg3 Rc4 31. Rbd1 Rf8 32. Nb4 Bc8 (32... Qf7 $11 {keeps the balance.}) 33. Nd3 $16 g4 {[#]} (33... Qf7 $142) 34. Nfe5 $1 Rc2 (34... Qxh5 {was worth a try.} 35. Nxc4 bxc4) 35. Nxg4 Qxh5 36. Rc1 Rxc1 (36... Rc4 $16) 37. Rxc1 $18 Qg5 38. Nge5 {Threatens to win with Qxg5.} Qxg3 39. fxg3 a5 40. b4 axb4 41. axb4 Rd8 (41... Re8 $16 {was necessary.}) 42. Rc7 Bf8 43. Nc6 Bd6 44. Ra7 Rd7 $2 {[#]} (44... Re8 45. Nf4 Kh8 46. Ng6+ Kg8 47. Nce7+ Bxe7 48. Rxe7 Rd8) 45. Ra8 {White is clearly winning.} Rc7 46. Na7 Bf8 {and if ...Bd7 works, Black does fine.} 47. Nxc8 Rc4 48. Nd6 Rxd4 49. Nc5 {Precision: White = 79%, Black = 43%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.15"]
[Round "2"]
[White "Amin, Bassem"]
[Black "Martirosyan, Haik M"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2672"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,157,52,52,52,52,50,49,48,48,50,50,50,52,46,55,67,54,60,95,95,95,92,90,46,77,54,82,6,73,20,55,29,31,24,60,61,108,110,103,103,103,70,70,41,41,34,46,39,51,39,59,39,47,0,0,0,47,57,216,210,210,205,200,197,266,188,365,350,341,282,418,148,126,122,552,549,504,491,570,595,585,570,548,521,514,138,137,0,514,478,992,256,493,485,1366,1350,730,205,5193,5096,29963,29965,29954,29962,29960,29952,6437,1320,29973,29973,29971,29970,29975,29970,29977,29978,29978,29977,12820,6229,29981,29982,29982,29983,29983,29984,29985,29986,29986,29987,29987,29988]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. c4 g6 5. b3 Bg7 6. Bb2 O-O 7. d3 Bg4 8. Nbd2 Nbd7 9. O-O Re8 10. h3 Bxf3 {A11: English Opening: 1...c6} 11. Nxf3 e5 12. cxd5 cxd5 13. Rc1 e4 14. dxe4 dxe4 {LiveBook: 4 Games} 15. Nd2 e3 $146 ({Predecessor:} 15... Re6 16. e3 b5 17. Qc2 Qe7 {1-0 (52) Pantsulaia,L (2607)-De Guzman,R (2364) Subic Bay 2016}) 16. Nc4 $1 {[%cal Rc4e3]} Ne4 17. Bxe4 Bxb2 18. Bxb7 Bxc1 19. Bxa8 exf2+ 20. Rxf2 {Hoping for Bc6.} Be3 21. Nxe3 Rxe3 22. Rf3 Qb6 23. Rxe3 Qxe3+ 24. Kg2 Ne5 25. Bf3 a5 26. Qc2 h5 27. a3 (27. Bd5 $16) 27... Qd4 (27... Nxf3 $11 {remains equal.} 28. exf3 Qd4) 28. Qc1 (28. Be4 $16) 28... Kg7 29. Bb7 (29. Qf4 $5 {[%cal Rf4d4]} Nxf3 30. Qxf3 $14) 29... Qb6 30. Bd5 {Black should prevent Qc3.} Qb5 31. Qd2 Qc5 32. b4 axb4 33. axb4 Qb5 34. Bf3 Nxf3 35. exf3 $14 {[%mdl 4096] Endgame KQ-KQ} (35. Kxf3 {keeps more tension.} Qf5+ 36. Kg2 Qe4+ 37. Kg1 h4 38. gxh4 Kf8 39. h5) 35... Qe5 36. h4 Kg8 37. Qc2 Qb5 38. Qb2 Kf8 39. Kf2 Qb6+ 40. Ke2 Qe6+ 41. Kf2 Qb6+ 42. Kf1 Qc6 $2 (42... Qb5+ $14 43. Ke1 Qb6) 43. Qh8+ $18 Ke7 44. Qe5+ Kd7 45. Qd4+ $1 Kc8 (45... Kc7 $142) 46. Kf2 Qc2+ $2 (46... Qe6 47. g4 Qa2+ 48. Kg3 hxg4) 47. Ke3 {Black must now prevent Qc5+.} Qc1+ 48. Ke4 Qc2+ (48... Qc6+ $142 49. Qd5 Qc2+ 50. Ke3 Qc3+ 51. Ke2 Qc2+ 52. Qd2 Qc4+ 53. Ke3 Qe6+ 54. Kf2 Qc4) 49. Qd3 $2 (49. Kd5 $1 $18 {is the precise move to win.} Qf5+ 50. Qe5 Qxf3+ 51. Kd6) 49... Qc6+ $16 {[#]} 50. Ke3 $1 Qc1+ $2 {[%mdl 8192] [#]} (50... f5 $16 51. Qd4 Qc1+ 52. Kf2 Qc2+ 53. Ke3 Qc1+ 54. Ke2 Qc2+ 55. Ke3 Qc1+) 51. Kd4 $1 $18 {Threatens to win with Qc4+.} Qg1+ 52. Qe3 Qxg3 53. Qe8+ Kb7 54. Qxf7+ Kc8 55. Qe6+ Kb7 56. Qe4+ $2 (56. Qe7+ $18 {and White stays clearly on top.} Kc8 57. Qe4) 56... Kb6 $16 57. Qe6+ $2 {[%mdl 8192]} (57. Kc3 $16) 57... Kb7 $1 $18 58. Qe7+ Kc8 (58... Kc6 $142 59. Qf6+ Kb7) 59. Qf6 $2 (59. Kc5) 59... Qf2+ $2 (59... g5 60. hxg5 h4) 60. Kd5 Qa2+ (60... Qd2+ $142 61. Qd4 Qh6 62. Qc5+ Kb7 63. Qc6+ Kb8) 61. Kd6 {And now Qe6+ would win.} Qd2+ 62. Ke6 $2 (62. Ke7 {aiming for Qc6+.} Qxb4+ 63. Kf7) 62... Qxb4 $2 (62... Qd7+ 63. Ke5 Qc7+ 64. Kd5 Qd7+ 65. Kc4 Qc7+ 66. Kb3 Qg3) 63. Kf7 Qb1 64. f4 Qc2 65. Kg7 Qe4 66. Qe5 Qc6 67. Kh6 Qg2 68. Qe8+ Kc7 69. Qxg6 Qg4 70. Qg5 Kd6 71. f5 {[%cal Bf4f5,Bf5f6,Bf6f7][%mdl 32]} Ke5 72. Kg6 Qf3 73. Qf6+ (73. Qe7+ $142 Kf4 74. Qd6+ Kg4 75. f6) 73... Kf4 74. Qd4+ {White mates.} Kg3 75. f6 Kh2 76. Qe5+ Kh1 77. f7 Qg3+ 78. Qg5 Qd3+ 79. Kg7 {Precision: White = 47%, Black = 26%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.15"]
[Round "2"]
[White "Nabaty, Tamir"]
[Black "Kovalenko, Igor"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2650"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,96,7,12,1,30,25,43,31,62,51,63,44,102,119,95,87,192,204,204,201,193,0,0,0,0,0,0,0,25,25,9,8,6,12,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,2,3,6,6,6,6,3,4,8,18,8,10,8,8,8,8,4,8,4,4,4,4,0,0]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 a6 7. Be3 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} Be7 (7... Qb6 8. Rb1 Nc6 9. Qd2 Qc7 10. Be2 cxd4 11. Nxd4 Bc5 12. O-O Nxd4 13. Bxd4 Bxd4+ 14. Qxd4 Qc5 15. Qxc5 Nxc5 16. Kf2 {½-½ (55) Hou,Y (2649)-Naiditsch,A (2702) Karlsruhe 2017}) 8. dxc5 Nxc5 9. Qd2 Nc6 10. a3 O-O {LiveBook: 16 Games} 11. Rd1 $146 ({Predecessor:} 11. Nd4 Bd7 12. Be2 Bh4+ 13. g3 Be7 14. O-O Rc8 15. b4 Nxd4 16. Bxd4 Na4 17. Nxa4 Bxa4 {½-½ (59) Loinjak,S (2554)-Haug,U (2413) LSS email 2011}) 11... b6 12. Be2 a5 13. O-O Ba6 14. Bxa6 Rxa6 15. f5 Ra8 (15... Ne4 $14 16. Nxe4 dxe4) 16. Qf2 $16 Kh8 17. Qg3 Rc8 {[#]} (17... Qe8 $16 {was necessary.}) 18. Ng5 $1 $18 {[%cal Rg5h7]} exf5 19. Rxf5 ({Don't play} 19. Rxd5 $6 Qe8 $16) 19... Bxg5 20. Bxg5 $2 (20. Rxg5 $18 Ne7 21. Rxg7) 20... Qd7 $11 21. Qf3 d4 22. Nd5 {And now Nf6! would win.} Qe6 23. Nf6 Nd7 ({Don't go for} 23... Nxe5 $2 24. Qh3 $18) (23... Ne7 $5 24. Rf4 $8 Qxe5 $11) 24. Nxd7 Qxd7 25. Rf1 {The position is equal.} Qe6 (25... Kg8 {keeps more tension.} 26. Bh4 Qe8 27. Qe4 Ne7 28. Bxe7 Qxe7 29. R1f2 Rcd8) 26. Qf4 a4 27. Rf3 Rfe8 {[%cal Rc6e5]} 28. Rf6 Qxe5 29. Rxf7 {Threatening mate with Rf8+!} Qxf4 30. Bxf4 Kg8 31. Rb7 Na5 32. Rd7 Re1+ ({Wrong is} 32... Rxc2 $2 {[#]} 33. Be5 $1 $18 {[%mdl 512]}) 33. Kf2 Re4 34. Bc7 Nc4 35. Rff7 Rf8 36. Rxf8+ Kxf8 {[%mdl 4096] Endgame KRB-KRN} 37. b3 axb3 38. cxb3 Nxa3 39. Bxb6 Nc2 40. Bc5+ Ke8 41. Rd5 Re3 42. Bxd4 Rd3 43. Re5+ Kf7 {Strongly threatening ...Rd2+.} 44. Bc5 Rxb3 45. Re7+ Kg6 46. Rd7 Rb5 47. Rc7 Nb4 {Threatens to win with ...Nd3+.} 48. Bxb4 Rxb4 {Precision: White = 80%, Black = 58%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.15"]
[Round "2"]
[White "Gabuzyan, Hovhannes"]
[Black "Swiercz, Dariusz"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2569"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,108,0,0,0,0,0,6,0,0,11,5,0,0,0,0,-10,-6,-41,-37,-37,-31,-110,-106,-200,-204,-204,-204,-203,-195,-204,-206,-202,-185,-183,-185,-270,-116,-123,-122,-123,-105,-112,-106,-120,-109,-109,-108,-107,-99,-107,-101,-103,-106,-110,-106,-107,-106,-129,0,-110,-99,-116,-116,-127,-85,-72,0,-101,-96,-91,-95,-158,-179,-153,-188,-229,-219,-498,-472,-753,-733,-1086,-957,-994,-962,-954,-671,-12835,-12836,-12836,-12837,-12842,-12843,-12843,-12843]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d4 d5 7. Qb3 Qb6 8. Nc3 Rd8 9. Rd1 {D78: Fianchetto Grünfeld: 6 0-0 c6} Bf5 10. Ne1 dxc4 11. Qxc4 {The position is equal.} Na6 12. e4 Be6 13. d5 cxd5 14. exd5 Bg4 {[#]} 15. Nf3 $146 ({Predecessor:} 15. Be3 Qxb2 16. Nd3 Qa3 17. Nb5 Qa5 18. Bd2 Qb6 19. Be3 Qa5 20. Bd2 Qb6 21. Be3 Qa5 {½-½ (21) Jakovenko,D (2738)-Grischuk,A (2780) Khanty-Mansiysk 2015}) 15... e6 {[%cal Be7e6,Be6d5][%mdl 32]} 16. Bg5 {Strongly threatening Bxf6.} (16. d6 $5) 16... exd5 $1 ({Of course not} 16... Qxb2 $6 17. Rab1 $14) 17. Qf4 {aiming for Bxf6.} Qb4 $36 {[%mdl 2048] Black fights for an advantage.} 18. Rd4 (18. Bxf6 $15 Qxf4 19. gxf4 Bxf6 20. Nxd5 Bxb2 21. Rab1) 18... Qxb2 $17 19. Rb1 (19. Rc1 $17 {was called for.}) 19... Qxc3 $19 20. Bxf6 Bxf6 21. Qxf6 Bxf3 $1 22. Bxf3 {[#]} Nc5 $1 23. Bg4 ({Wrong is} 23. Bxd5 $2 {[#]} Rxd5 $1 {[%mdl 512]} 24. Rf4 Qxf6 $19) 23... Re8 24. Rbd1 Re4 {Threatens to win with ...Rxg4!} 25. Qf3 Qxf3 (25... Qxd4 $19 26. Rxd4 Rxd4) 26. Bxf3 $17 Rxd4 27. Rxd4 $19 {[%mdl 4096] Endgame KRB-KRN} Re8 28. Bxd5 Kg7 29. Bc4 b6 30. Kf1 Re7 31. h4 h6 32. Bb5 Kf6 33. Rd8 Ne6 34. Rd2 Rc7 35. Kg2 Rc5 36. Ba4 Rc7 37. Bb5 $1 h5 38. f3 Rc3 39. a4 Nc5 40. Rd6+ Ne6 (40... Kg7 $17 41. Rc6 a6 42. Bxa6 Nxa4 43. Rxc3 Nxc3) 41. Kf2 (41. Rd2 $11) 41... Ke5 42. Rd7 Rc7 43. Ke3 (43. Rd2 $142) 43... Rxd7 $17 44. Bxd7 {KB-KN} Nc7 45. Bc8 a5 {[%cal Ba7a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 46. Bd7 $2 (46. Bb7 {keeps fighting.}) 46... Kd6 $19 {Black is clearly winning.} 47. Bc8 (47. Bh3 $142 b5 48. axb5) 47... b5 48. axb5 Nxb5 49. Ba6 Kc5 50. g4 a4 51. Kd3 a3 52. Kc2 Nd4+ 53. Kc3 a2 54. Kb2 {[#]} Nc2 $1 {[%mdl 512] Precision: White = 40%, Black = 74%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.15"]
[Round "2"]
[White "Petrosyan, Manuel"]
[Black "Ter-Sahakyan, Samvel"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2553"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,24,12,20,23,9,14,20,8,32,18,101,120,110,95,130,131,204,151,112,132,128,128,234,245,193,168,159,171,203,185,191,197,166,160,210,248,337,354,330,322,310,303,328,246,392,361,556,552,556,556,527,511,957,947,937,936,912,898]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 e6 6. e3 c5 7. Bxc4 cxd4 {D16: Slav Defence: 5 a4: Lines with 5...Bg4 and 5...Na6} (7... Nc6 8. O-O cxd4 9. Nxd4 Bd7 10. e4 Nxd4 11. Qxd4 Bc6 12. Qe3 Be7 13. e5 Nd7 14. Qg3 g6 15. Rd1 {½-½ (30) Yu,Y (2749)-Duda,J (2697) Khanty-Mansiysk 2017}) 8. Nxd4 {LiveBook: 3 Games} a6 9. O-O Bd6 $146 {White has an edge.} ({Predecessor:} 9... Bc5 10. Qe2 O-O 11. Rd1 Qe7 12. e4 e5 13. Nf3 h6 14. Be3 Bg4 15. Rd2 {1-0 (27) Gupta,A (2643)-El Arousy,A (2327) Dubai 2012}) 10. b3 O-O 11. Bb2 Qe7 12. f4 Bd7 (12... Bc5 $11) 13. e4 $16 {[%cal Be3e4,Be4e5][%mdl 32]} e5 14. Nf3 exf4 {[#]} 15. e5 $1 {[%cal Re5d6][%mdl 512]} Bc5+ (15... Bxe5 $16 {was worth a try.} 16. Ba3 Qe8 17. Nxe5 Qxe5) 16. Kh1 $18 Ng4 17. Nd5 $1 {[%csl LRe7,LRf4]} Qd8 18. Bd4 Ba7 (18... Bxd4 $16 19. Qxd4 Ne3) 19. Bxa7 Rxa7 20. Qd4 Nc6 21. Qxf4 b5 22. axb5 axb5 {...Rxa1 is the strong threat.} 23. Rxa7 (23. Bxb5 $6 Rxa1 24. Rxa1 Ngxe5 $14) 23... Nxa7 24. Bd3 {Threatens to win with Ng5.} Be6 {[#]} 25. Nb4 $1 ({Less strong is} 25. Qe4 g6 $14) 25... f6 {Threatening ...fxe5.} 26. Nd4 g5 27. Qe4 {[%csl Gd3][%cal Re4h7]} ({Weaker is} 27. Nxe6 gxf4 28. Nxd8 Rxd8 $14) 27... f5 28. Nxf5 Bxf5 29. Rxf5 $40 {[%mdl 128] White has strong attack.} Rxf5 (29... Qc7 $142 30. Rxf8+ (30. Rxg5+ $2 Kh8 $19) 30... Kxf8 31. Qf5+ Ke8) 30. Qxf5 Qd4 (30... Qc7 {was called for.} 31. Qxg5+ Kh8) 31. Qxh7+ {White is clearly winning.} Kf8 32. Qh8+ Ke7 {( -> ...Qa1+)} 33. Qg7+ Ke8 (33... Kd8 $142 34. Qxg5+ Kc7 35. Qe7+ Kb8 36. Qe8+ Kb7 37. Qf7+ Kb6 38. Qxa7+ Kxa7 39. Nc6+ Kb7 40. Nxd4 Nf2+ 41. Kg1 Nxd3) 34. Qg8+ Kd7 35. Bf5+ Kc7 36. Qf7+ {Precision: White = 90%, Black = 37%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.15"]
[Round "2"]
[White "Harutyunian, Tigran K"]
[Black "Kravtsiv, Martyn"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2517"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,37,26,31,31,26,34,34,34,27,24,51,33,33,25,27,-7,-14,-17,-4,-17]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Nbd7 5. Bf4 dxc4 6. e3 {D37: Queen's Gambit Declined: 5 Bf4} b5 7. Nxb5 Bb4+ 8. Nc3 Nd5 9. a3 Nxc3 10. Qd2 Nd5 {LiveBook: 5 Games} 11. axb4 Nxf4 12. exf4 Bb7 13. Be2 {[%cal Bf1e2,Be2h5,Bh5f3,Bf3d5][%mdl 32]} Nb6 {[#]} 14. O-O $146 O-O 15. Rfc1 Qd6 16. Ne5 Rfd8 17. Bh5 f6 18. Bf3 Bd5 19. Bxd5 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.16"]
[Round "3"]
[White "Kovalenko, Igor"]
[Black "Petrosyan, Manuel"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2659"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,152,0,8,-11,-8,-21,-12,-7,-14,-15,0,-10,-8,-14,-17,-220,-208,-198,-199,-194,-43,-234,-216,-220,-234,-235,-230,-225,-91,-96,-88,-100,-89,-94,-86,-93,-86,-131,-123,-153,-153,-153,-125,-167,-90,-114,-79,-67,-74,-85,-58,-58,-59,-58,-58,-64,-33,-33,-33,-71,-71,-70,-70,-137,-58,-54,-52,-52,-58,-163,-163,-161,-164,-163,-157,-140,-150,-135,-73,-71,-69,-69,-69,-69,-69,-69,-69,-69,-69,-69,-8,-8,-8,-8,0,-8,-10,-32,-8,-8,-8,-70,-70,-70,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,-8,0]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. b3 Be7 8. Bb2 f6 9. Nc3 O-O 10. Rc1 Be6 {[#] LiveBook: 17 Games} 11. d4 $1 {[%mdl 512] A29: English Opening: Four Knights Variation with 4 g3} (11. Ne4 Bd5 12. Qc2 Nb4 13. Qb1 Nxa2 14. Nxf6+ Bxf6 15. Qxa2 e4 16. Nd4 Qd7 17. Qb1 Rae8 18. e3 c6 {½-½ (45) Topalov,V (2754)-Giri,A (2790) Stavanger 2016}) 11... Nxd4 12. Nxd4 exd4 13. Ne4 d3 14. exd3 Qd7 $146 ({Predecessor:} 14... c6 15. d4 Bd5 16. Re1 Bb4 17. Bc3 Bxc3 18. Rxc3 Bxe4 19. Bxe4 {1-0 (44) Madjar,S (2162)-Mitrovic,D (2263) Kraljevo 2014}) 15. Re1 c6 16. Qh5 Nd5 17. a3 $2 (17. Nc3 $11 {and White is okay.} Bb4 18. Be4) 17... Bg4 $19 18. Qh4 h5 $1 19. f4 {With the idea h3.} Qd8 $2 (19... g5 $1 $19 {[%cal Rg5h4]} 20. fxg5 fxg5 21. Nxg5 Rf5) 20. f5 $2 (20. Rc4 $1 $15) 20... g5 (20... Bxf5 21. Qxh5 Qd7 22. Nf2 $11) 21. fxg6 f5 $1 {[%csl LRe4,LRh4]} 22. Nf6+ Bxf6 ({And not} 22... Nxf6 23. Qg5 $14) 23. Bxf6 Qxf6 ({Less strong is} 23... Rxf6 24. Bxd5+ cxd5 25. h3 $15) (23... Nxf6 $19 {is more deadly.} 24. h3 Kg7) 24. Qxf6 $17 Nxf6 25. h3 Rae8 {Threatens to win with ...Be2.} 26. hxg4 fxg4 27. d4 Kg7 28. b4 Kxg6 29. a4 Rxe1+ 30. Rxe1 {[%mdl 4096] Endgame KRB-KRN} Re8 $1 {[%cal Re8e1]} 31. Rb1 Re3 (31... Nd5 $19 32. Bxd5 cxd5) 32. Kf2 Rd3 33. b5 Rd2+ 34. Kg1 Rxd4 35. a5 $1 cxb5 36. Rxb5 a6 37. Rb6 $1 Rd1+ 38. Kf2 Rd2+ 39. Kf1 Kf5 40. Bxb7 Ne4 $1 {[%cal Re4g3]} 41. Rb3 (41. Bc8+ $15 Ke5 42. Bxa6) 41... Rd8 (41... Nc5 $17 42. Bc8+ Ke4) 42. Re3 $15 Nc5 43. Bc6 $1 Rd1+ 44. Ke2 (44. Kg2 $15) 44... Ra1 $19 45. Be8 {[#]} h4 $1 {[%cal Rh4h3]} 46. gxh4 {[#]} Kf4 $1 {Hoping for ...Ra2+.} 47. Re7 Ra2+ 48. Kf1 Nd3 (48... Rxa5 $142 49. h5 Ne4 50. Rf7+ Kg3) 49. Bc6 $17 Ne5 50. Bb7 Rxa5 51. h5 $1 Ra1+ 52. Kg2 Ra2+ 53. Kf1 Rh2 {aiming for ...a5.} 54. Re6 $1 Rb2 ({Better is} 54... Rxh5 $15 55. Rxa6 Rh8) 55. Ba8 $11 Rb1+ (55... Kf5 $5 {[%cal Rf5e6]} 56. Rxa6 Nc4 $15) 56. Kg2 Rb2+ 57. Kf1 a5 {[%cal Ba6a5,Ba5a4][%mdl 32] White should prevent ...a4.} 58. h6 $1 a4 {And now ...a3 would win.} 59. h7 Rh2 60. Ra6 (60. Re7 $11) 60... Rxh7 $15 61. Kg2 Rd7 ({Black should play} 61... Nd3 $15 62. Rxa4+ Kg5 63. Ra5+ Kh4) 62. Rxa4+ $11 {The position is equal.} Kg5 63. Ra5 $1 Rd2+ 64. Kg3 Rd3+ 65. Kf2 Kf5 66. Bb7 Rc3 67. Kg2 Rc2+ 68. Kg3 Rc3+ (68... Rc7 $5 {[%cal Rc7b7]} 69. Ba6 Rc3+ 70. Kf2 Kf4 71. Ra4+ Kg5 $15) 69. Kg2 Rc7 70. Rb5 Rc2+ 71. Kg3 Rc3+ 72. Kg2 Kf6 73. Rb6+ Kg5 {...Nd3 is the strong threat.} 74. Rb5 Kf5 75. Ra5 Re3 76. Kf2 Rc3 {Precision: White = 62%, Black = 51%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.16"]
[Round "3"]
[White "Kravtsiv, Martyn"]
[Black "Amin, Bassem"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2657"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,43,21,23,24,10,10,4,288,265,386,379,595,585,1103,1108,29993,29994]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. exd5 Qb6 10. Nf3 Bf5 11. Nh4 {E75: King's Indian: Averbakh Variation: 6...c5 7 d5 e6} (11. O-O Ne4 12. Nxe4 Bxe4 13. Rae1 Nd7 14. b3 Rfe8 15. Qc1 Bxf3 16. Bxf3 Qa5 17. a4 Qb4 18. Qd1 Bc3 {½-½ (37) Kovalenko,I (2651)-Radjabov,T (2722) Baku 2016}) 11... Ne4 12. Nxe4 Bxe4 13. f3 h6 14. Bxh6 Bxh6 15. Qxh6 {LiveBook: 9 Games. Black must now prevent 0-0-0.} Qxb2 16. O-O Bc2 17. Rac1 {Rf2 is the strong threat.} Nd7 $146 {[%mdl 8192] [#]} (17... Re8 $1 $11 {and Black stays safe.} 18. Qd2 Qf6) ({Predecessor:} 17... Re8 18. Qd2 Qf6 19. g3 Ba4 20. f4 Nd7 21. Nf3 Qe7 22. Kf2 b5 23. Rfe1 bxc4 24. Bd1 {1-0 (24) Flear,G (2428)-Thogersen,R (2161) Hastings 2016}) 18. Rf2 $1 $18 Ba4 (18... Bf5 {was called for.} 19. Bd3 Qf6 20. Bxf5 gxf5 21. Qxf6 Nxf6 22. Nxf5 Rad8) 19. Bd1 Qa3 (19... Qd4 $142) 20. Bxa4 Qxa4 21. f4 {Threatening mate with Nxg6!} Nf6 {[#]} 22. Nf5 $1 {[%mdl 512]} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.16"]
[Round "3"]
[White "Swiercz, Dariusz"]
[Black "Nabaty, Tamir"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2637"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,93,0,-6,-35,-41,-28,-34,-31,9,13,49,48,37,35,40,40,46,36,39,51,47,45,49,36,32,15,56,50,57,62,61,13,28,13,13,7,13,14,17,0,0,0,0,0,27,20,29,26,26,-2,-3,0,0,-17,-18,-45,-45,-37,-34,-49,-51,-73,-56,-68,-11,-36,-8,-21,0,-8,0,-26,-31,-32,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qb6 9. Nxg6 hxg6 10. c5 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} (10. Bd2 Nbd7 11. O-O-O Be7 12. Kb1 Qxb3 13. axb3 a6 14. Be2 Bd6 15. g4 g5 16. e4 dxe4 17. Bxg5 exf3 18. Bxf3 Rh3 19. Bg2 Rxh2 20. Rxh2 Bxh2 21. Rh1 Bd6 22. Bf3 O-O-O 23. Be3 e5 {½-½ (23) Wang,H (2680)-Aravindh,C (2588) Chengdu 2017}) 10... Qc7 $1 {LiveBook: 10 Games} 11. g3 b6 12. cxb6 $1 {Black is slightly better.} axb6 13. e4 dxe4 $146 ({Predecessor:} 13... Be7 14. Be3 b5 15. Bg2 O-O 16. O-O dxe4 17. Nxe4 {½-½ (71) Abbasov,F (2507)-Koziak,V (2437) Sautron 2007}) 14. fxe4 Nh5 15. Bg2 {Hoping for e5.} Nxg3 $1 16. hxg3 Qxg3+ 17. Kf1 {[%cal Be1f1,Bf1f2,Bf2e2][%mdl 32]} Qd3+ 18. Kf2 Rxh1 19. Bxh1 Qxd4+ 20. Be3 Qf6+ 21. Ke2 Nd7 $1 22. Rf1 Qe5 23. Bf4 Qh5+ 24. Bf3 Qh4 25. Be3 Qh2+ 26. Bf2 (26. Rf2 $5 {[%cal Rf2h2]} Qc7 27. Bg4 $14) 26... Bc5 $1 {[#] White must now prevent ...Ne5.} 27. Nd1 $1 O-O-O 28. Rh1 Qf4 29. Be3 Bxe3 30. Qxe3 Qe5 31. Qc3 Qb5+ 32. Ke1 Nc5 33. Be2 Qa4 {[#] And now ...Rxd1+! would win.} 34. b4 {Rh4 is the strong threat.} (34. Rh4 $5 {[%cal Rb2b4]}) 34... Nxe4 35. Qc4 Nd6 36. Nc3 Qa8 37. Qa6+ Qxa6 38. Bxa6+ Kc7 {Threatens to win with ...b5.} 39. Bd3 Nf5 40. Rh3 Rd4 (40... g5 $5 {[%cal Rg5g4]} 41. Bxf5 exf5 $17) 41. b5 Nd6 (41... c5 $15) 42. Be2 Rb4 {[%cal Rc6b5]} 43. a4 Rb2 44. Kd1 Nf5 45. Kc1 Rb4 46. Rh8 Nd4 47. Bd3 {Precision: White = 57%, Black = 49%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.16"]
[Round "3"]
[White "Ter-Sahakyan, Samvel"]
[Black "Harutyunian, Tigran K"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2605"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "181"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,181,19,10,10,16,48,43,40,29,67,43,58,52,101,26,0,0,0,-9,-4,-4,-1,-7,-8,-18,-22,-18,-20,-28,-14,-24,-20,-17,-14,-16,-30,-56,0,0,99,0,0,-83,-46,-87,-41,-90,-82,-47,-50,-90,-90,-90,-90,-90,-90,-90,-90,-90,-76,-237,-90,-90,0,-14,-14,-322,-220,-1030,-8,-8,-8,-8,0,-8,-8,-8,-8,-1430,-1270,-1079,-1231,-1300,-1324,-1234,-1127,-1917,-1817,-1619,-1532,-1268,-1028,-938,-83,-83,-8,-8,-8,-8,-8,-221,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 d6 8. Qd2 {C45: Scotch Game} h6 9. Be3 {LiveBook: 4 Games} Be6 10. O-O-O Bxe3 (10... Qd7 11. f3 O-O-O 12. Bb5 a6 13. Ba4 Bxb3 14. Bxb3 Bxe3 15. Qxe3 Rhe8 {1-0 (45) Yu,Y (2662)-Beliavsky,A (2651) Tromsoe 2013}) 11. Qxe3 Qe7 $146 ({Predecessor:} 11... g5 12. f3 Qe7 13. Kb1 a6 14. Nd4 Bd7 15. h4 Rg8 16. hxg5 hxg5 {1-0 (32) Pandavos,P (2370)-Delavekouras,S Piraeus 1997}) 12. f3 a5 13. g4 Bxb3 14. cxb3 d5 15. Nxd5 (15. Bb5 $1 $16) 15... Nxd5 $11 16. Rxd5 Nb4 17. Rd2 Nxa2+ 18. Kb1 Nb4 19. Bc4 $132 {[%mdl 2048] White puts up resistance} O-O 20. e5 Rfd8 21. Rhd1 Rxd2 22. Rxd2 Rd8 {next ...Rxd2 is good for Black.} 23. e6 Rxd2 24. exf7+ Kf8 25. Qxd2 c6 26. Qf4 {White wants to mate with Qb8+.} Qe1+ ({Black should play} 26... Qd8 $1 $15) 27. Qc1 Qxc1+ 28. Kxc1 {[%mdl 4096] Endgame KB-KN} b5 29. Bf1 (29. Be6 $11) 29... Kxf7 $17 30. Kd2 Ke6 $1 31. f4 Kd5 $1 32. Bg2+ Kd4 33. h4 Nd5 34. g5 Nxf4 35. gxh6 gxh6 36. Bxc6 b4 37. Bf3 Nd3 38. Be2 $2 (38. Bd1 $17) 38... Ne5 ({Don't blunder} 38... Nxb2 $2 39. Kc2 $18) (38... Nc5 $19 39. Bc4 Ke4) 39. Bh5 Nc6 (39... Nd7 $1 $17) 40. Be8 Ne7 41. h5 $2 {[%mdl 8192]} (41. Ke2 $1 $11) 41... Nd5 $19 42. Bf7 $2 (42. Ke2) 42... Nf6 $2 (42... Nf4 $19 {Black wants to play ...Ke4.} 43. Bg6 Ke5) 43. Bg6 Nd7 44. Ke2 Nb6 45. Bc2 Nd5 {Strongly threatening ...Nf4+.} 46. Bg6 Nf4+ 47. Kd2 $2 {[%mdl 8192]} (47. Kf3 $11 Nd3 48. Ke2 Nc1+ 49. Kd1 Nxb3 50. Kc2) 47... Ke5 48. Be8 Ke4 $1 {[%cal Re4f3]} 49. Bg6+ Kf3 $1 {[%cal Rf3g4]} 50. Bf7 Kg4 $1 51. Ke3 Nxh5 52. Kd4 Nf4 53. Kc5 h5 54. Be8 h4 $2 (54... Kf5 $1 $19 {[%cal Rf5e5] has better winning chances.} 55. Kd4 h4 56. Bd7+ Kg5) 55. Bd7+ $17 {[#]} Kg3 (55... Kf3 $1 $17 {[%cal Rf3e3]} 56. Kb6 Ng6) 56. Kb5 $11 Nd3 57. Kxa5 Ne5 (57... Kf3 $5 {[%cal Rd3e5]} 58. Bc8 Ke4 $17) 58. Be6 $2 {[#]} (58. Bc8 $1 $11 {and White stays safe.}) 58... Ng4 $2 ({Better is} 58... Nc6+ $1 $19 59. Ka4 Nd4) 59. Kxb4 {The position is equal.} h3 60. Kc3 $1 h2 61. Bd5 Kf2 62. Kd2 $1 Ne3 63. Bh1 $1 Nf5 {Hoping for ...Kg1.} 64. b4 Kg1 65. Ke1 $1 Nd4 {[#] aiming for ...Nc2+.} 66. b5 $1 {[%mdl 512]} Nxb5 {Threatens to win with ...Nd4.} 67. b4 Nd4 68. b5 Nxb5 (68... Kxh1 $2 69. Kf2 $19) 69. Ba8 Nd4 70. Bb7 (70. Bh1 $5 Kxh1 71. Kf2 $19) 70... Ne6 71. Ba8 Nf4 72. Bh1 $1 Kxh1 73. Kf2 Ng2 74. Kf1 $1 {[#]} Ne1 $1 75. Kf2 (75. Kxe1 Kg1) 75... Nc2 76. Kf1 $1 Na3 77. Kf2 Nc4 78. Kf1 $1 Nd6 79. Kf2 Nf5 80. Kf1 Nd4 81. Kf2 Ne6 82. Kf1 $1 Nf8 {[%cal Be6f8,Bf8d7,Bd7e5,Be5f3,Bf3d4,Bd4c2,Bc2a3,Ba3b1][%mdl 32]} 83. Kf2 Nd7 84. Kf1 $1 Ne5 85. Kf2 {[#]} Nf3 $1 86. Kf1 $1 (86. Kxf3 Kg1) 86... Nd4 (86... Ne1 $5 87. Kf2 Nd3+ 88. Kf1 Nc5 $19) 87. Kf2 Nc2 88. Kf1 $1 Na3 89. Kf2 Nb1 90. Kf1 $1 Nc3 {( -> ...Ne4)} 91. Kf2 {Precision: White = 49%, Black = 59%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.16"]
[Round "3"]
[White "Martirosyan, Haik M"]
[Black "Gabuzyan, Hovhannes"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2544"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "204"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,204,33,50,42,55,37,37,37,41,37,41,42,41,29,39,48,40,37,31,35,33,35,30,29,29,38,31,-10,-3,-70,-72,-72,-58,-58,-72,-51,-10,0,-3,-13,-18,-10,-20,-23,-15,-22,0,-38,-9,-33,-31,-37,-19,-73,-22,-14,0,-75,-76,-57,0,0,0,-6,0,0,0,0,0,0,733,-547,-544,-542,-525,-466,-175,-171,-149,-159,-163,-166,-142,-190,-77,-76,-82,-130,0,0,0,0,0,0,0,0,12,-70,-70,-70,-70,-70,-70,-70,-70,-98,-102,-143,-16,-16,-16,-66,-10,-10,-10,-15,-15,-22,-22,-30,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,-11,-8,-8,-8,-8,-8,-8,-8,-12,-12,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-10,-11,-12,-29969,-29970,-29975,-29977,-29973,-29975,-29960,-29961,-29981,-29980,-29983,-29984,-29984,-29985,-29984,-29985,-29985,-29986]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Nd6 5. e3 c6 6. Ngf3 {A45: Trompowsky Attack} Bf5 $146 ({Predecessor:} 6... Bg4 7. Bd3 e6 8. O-O Be7 9. c3 O-O 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Nd7 {0-1 (48) Wilhelm,S (2171)-Milosevic,G (2330) Baden 2000}) 7. Be2 (7. Nh4 $5 {[%cal Rf4d6]} Be6 8. Be2 $14) 7... e6 8. O-O {White is slightly better.} Be7 9. c4 Nd7 10. c5 Ne4 11. Nxe4 Bxe4 12. b4 O-O 13. b5 Bxf3 14. Bxf3 cxb5 15. Qb3 b6 16. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Nf6 17. Rfc1 Bd6 18. c7 Qd7 {With the idea ...Bxf4.} 19. Be2 (19. Bxd6 $11 Qxd6 20. Qxb5) 19... Bxf4 $15 20. Bxb5 Qe7 $1 21. exf4 Rfc8 $1 22. f5 Rxc7 23. Rxc7 Qxc7 24. fxe6 fxe6 25. Qe3 Qe7 26. Re1 Rc8 27. g3 Kf7 28. Bf1 Qd6 29. Bh3 Rc6 30. Qb3 Qd7 31. Re5 {[#]} (31. a4 $11) 31... g6 ({Better is} 31... b5 $1 $17 {[%mdl 512]}) 32. Qe3 $11 b5 33. Qf4 (33. Qh6 $11) 33... b4 $17 34. Re3 Qc7 (34... Qe7 $15) 35. Bxe6+ $11 Kg7 36. Re5 Rc1+ (36... a5 $5 {[%cal Ra5a4]}) 37. Kg2 Qc4 {( -> ...Qf1+)} 38. Kh3 {Threatens to win with Rh5.} Qf1+ (38... Rh1 $5 {[%cal Rc4f1]} 39. g4 h6 40. Rxd5 Qd3+ 41. Kg2 Qf1+ 42. Kf3 Qd1+ 43. Kg3 Qd3+ 44. Kg2 Qf1+ 45. Kf3 Qh3+ 46. Ke2 Qf1+ 47. Kf3 $11) 39. Kh4 h6 $2 {[%mdl 8192]} (39... Qh1 $11 40. Bh3 Rc7) 40. Bh3 $4 {[%mdl 8192] [#]} (40. Rxd5 $18 {is the narrow road to win. Intending Rd7+! and mate.} Rc8 41. Ra5) 40... Qe1 $3 $19 {[%mdl 512]} 41. Be6 (41. Rxe1 g5+) 41... Qh1 42. g4 Rc3 $2 (42... Rc6 43. Rxd5 Rxe6 44. Qc7+ Kg8 45. Rd8+ Ne8) 43. g5 hxg5+ 44. Rxg5 Qe4 $1 {[%cal Re4f4]} 45. Qxe4 Nxe4 {[%mdl 4096] Endgame KRB-KRN} 46. Rg2 Rf3 (46... Ra3 $19 {has better winning chances.} 47. f4 Kf6) 47. Kg4 $17 Ra3 48. Kf4 {[#]} Kf6 (48... Nc3 $1 $17 {Strongly threatening ...Kf6.} 49. Bf5 Ra6) 49. Bxd5 $11 Nc3 50. Bc4 Nxa2 51. Rg5 Nc1 52. Rb5 b3 53. h4 ({White should play} 53. Ke4 $11) 53... Ra4 $15 54. Bg8 Rxd4+ 55. Ke3 Rd3+ $1 56. Ke4 Rh3 57. f3 Rxh4+ 58. Ke3 {[#]} Rh2 (58... Ra4 $1 $17 {White must now prevent ...Ra2.} 59. Kd2 Ra1 60. Bxb3 Nxb3+ 61. Rxb3 a5) 59. Bxb3 $11 Re2+ 60. Kf4 Nd3+ (60... Nxb3 $15 61. Rxb3 g5+ 62. Kg3 a5) 61. Kg3 $1 Rb2 62. Bc4 Rxb5 63. Bxb5 {KB-KN} Nc5 {Threatening ...a5.} 64. Kf4 $1 g5+ 65. Kg4 Ne6 66. Ba6 Ke5 67. Bc4 a5 68. Bb3 Kf6 69. Bd1 Nf4 70. Bb3 Nd3 71. Bc2 Ne1 72. Ba4 Ng2 73. Kg3 Nf4 74. Bb3 Ne2+ 75. Kg4 Nd4 76. Ba4 Ne6 77. Bd1 Nf4 78. Bb3 Kg6 79. Bc2+ Kh6 80. Bb3 $1 Ng2 81. Kg3 Ne3 82. Kf2 Nf5 83. Bc2 Kg6 {Hoping for ...Kf6.} 84. Ba4 Kf6 {And now ...Ke5 would win.} 85. Ke2 Nd4+ 86. Kf2 Kf5 87. Ke3 Ke5 88. Bd7 Ne6 89. Bb5 Nc5 90. Bc4 Na4 91. Bf7 Nb6 92. Kd3 Kf4 93. Kd4 $1 Nd7 (93... Kxf3 $5 94. Kc5 $8 Nd7+ 95. Kb5 Kf2 $11) 94. Be8 $2 {[%mdl 8192]} (94. Be6 $11) 94... Ne5 {Black mates.} 95. Kc5 Kxf3 96. Bh5+ g4 {[%cal Bg5g4,Bg4g3][%mdl 32]} 97. Kb5 {[#]} Nc6 $1 {[%mdl 512]} 98. Bf7 (98. Kxc6 a4) 98... Kf2 99. Bd5 Nd4+ 100. Kxa5 Nf3 101. Be6 g3 102. Bh3 Ng5 {Precision: White = 65%, Black = 58%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.17"]
[Round "4"]
[White "Amin, Bassem"]
[Black "Ter-Sahakyan, Samvel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2672"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,121,11,20,22,33,43,4,9,4,19,25,27,8,15,18,31,0,0,0,0,-18,-8,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,13,16,11,10,10,28,36,103,109,122,49,77,75,81,56,40,0,15,0,0,-13,0,0,0,0,0,0,0,0,0,-17,-17,-27,-19,-27,-20,-21,-21,-22,-25,-25,-25,-26,-29,-29,29,35,130,81,77,77,72,83,262,256,404,404,404,401,563,609,594,565,1339,1068,703,565]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. h3 {B31: Sicilian: 2...Nc6 3 Bb5 g6} f5 9. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Nf7 10. d3 {LiveBook: 30 Games. The position is equal.} (10. d4 cxd4 11. cxd4 c5 12. dxc5 Bb7 13. Nc3 e6 14. Be3 Rb8 15. Bd4 h5 {½-½ (29) Adams,M (2747)-Giri,A (2785) Moscow 2017}) 10... d6 {[%cal Rd6e5]} 11. Bf4 Ba6 $146 ({Predecessor:} 11... Qc7 12. Qe2 Rb8 13. exd6 exd6 14. Na3 h6 {0-1 (58) Ostrovskiy,A (2381)-Djurhuus,R (2421) Oslo 2017}) 12. e6 (12. Na3 {seems wilder.} Qb8 13. Qe2 d5 14. Qd2 e6 15. Nc2) 12... Ne5 $1 {[%cal Re5d3]} 13. Nxe5 dxe5 14. Bxe5 Qxd3 15. Qxd3 Bxd3 16. Nd2 Rfd8 17. Nb3 c4 18. Na5 Rac8 19. Bxg7 Kxg7 20. Re5 Rd6 21. b4 cxb3 22. axb3 Kf6 23. Rc5 $1 Rxe6 24. b4 Rd6 25. Re1 f4 26. g4 g5 27. c4 Re6 28. Rxe6+ Kxe6 29. Rxg5 $11 {[%mdl 4096] Endgame KRB-KRN} Be4 30. Nb7 {[#] Nc5+ is the strong threat.} Kf6 31. Ra5 Rc7 (31... Bd3 $14) 32. Nc5 $16 Bc2 33. g5+ (33. Kf1 $16) 33... Kf7 34. Kg2 e5 {[%cal Be7e5,Be5e4,Be4e3,Be3e2][%mdl 32]} 35. Kf3 Re7 $1 36. Ra1 Kg6 37. Ra6 Bd1+ 38. Kg2 e4 39. Rxc6+ Kxg5 40. Kf1 Kf5 41. Rd6 Bf3 42. Nd7 Kg5 43. c5 (43. Nc5 $5 {[%cal Rc5e6]}) 43... e3 44. b5 e2+ 45. Ke1 Kf5 {[#] Threatens to win with ...Rg7.} 46. c6 Rg7 47. Rf6+ Ke4 48. Re6+ Kd4 {( -> ...Kc3)} 49. Kd2 {And now Rd6+ would win.} Kc4 50. Re5 Kb4 ({Black should try} 50... Rg6) 51. Nc5 $11 {Hoping for Nd3+.} Ka5 (51... e1=Q+ $14 52. Kxe1 Kc3) 52. Nd3 a6 53. Ne1 Bh1 54. bxa6+ Kb6 $2 (54... Kxa6 $16 55. f3 Kb6) 55. f3 $18 ({Not} 55. Rxe2 Bxc6 56. Re6 Rd7+ 57. Nd3 Kb5 $16) (55. Kxe2 Bxc6 56. Re6 Ra7 $16) 55... Bg2 (55... Rg6 $142 56. c7 (56. Rxe2 Rd6+ 57. Kc3 Rxc6+ 58. Kd4 Rg6 $16) (56. Kxe2 Rxc6 57. Re7 Kxa6 $18) 56... Kxc7) 56. Nxg2 Rxg2 57. Rxe2 Rg3 (57... Rg7 {was worth a try.} 58. Kd3 Kxa6) 58. Re8 {White is clearly winning.} Rg7 59. Kd3 Kxa6 60. Ke4 Kb6 61. Re6 {Precision: White = 65%, Black = 52%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.17"]
[Round "4"]
[White "Kovalenko, Igor"]
[Black "Swiercz, Dariusz"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2659"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "194"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,194,0,0,0,-42,-37,-44,-41,0,0,-36,-53,-32,-30,-57,-48,-70,-69,-83,-57,-104,-99,-124,-81,-88,-22,-28,-3,-106,-116,-109,-102,-116,-110,-106,-109,-150,-162,-146,-146,-261,-243,-304,-309,-333,-326,-339,-328,-269,-245,-245,-245,-282,-245,-285,-263,-256,-168,-247,0,-221,-214,-220,-221,-221,-221,-220,-214,-217,-214,-214,-195,-210,-210,-212,-212,-212,-210,-209,-166,-166,-166,-166,-166,-166,-166,-201,-175,-202,0,-166,-166,-164,-157,-178,-157,-157,-157,-157,0,-157,-150,-157,-114,-157,-114,-114,-114,-157,0,-157,0,-157,-157,-157,-157,-166,-166,-191,-191,-191,-191,-214,-214,-214,-214,-214,-206,-199,-199,-214,-214,-466,-466,-468,-468,-468,-468,-468,-468,-466,-466,-468,-466,-466,-466,-633,-608,-593,-556,-466,-466,-1300,-1250,-1214,-1067,-1277,-455,-1442,-477,-29968,-29969,-10764,-1163,-2112,-691,-29972,-29967,-29980,-29981,-29981,-29982,-29982,-29983,-29987,-29988,-29988,-29989]} 1. Nf3 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b4,Bb4c2][%mdl 32]} 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 c5 7. h4 {A34: Symmetrical English: 2 Nc3, lines with ...d5} Nc6 8. h5 Bf5 9. Qb3 Ndb4 10. Kf1 {LiveBook: 7 Games} Nc2 11. Rb1 $146 ({Reject} 11. Qxb7 Na5 $17) ({Predecessor:} 11. Ng5 Ne5 12. Rb1 Nd4 13. Qxb7 Rb8 14. Qxa7 O-O 15. hxg6 hxg6 {½-½ (28) Van Wely,L (2695)-Dominguez Perez,L (2739) chess.com INT 2017}) 11... N2d4 12. Nxd4 Nxd4 13. Qxb7 Rb8 14. Qa6 Bxb1 15. Nxb1 Qb6 $36 {[%mdl 2048] Black fights for an advantage.} 16. Qxb6 axb6 17. e3 Nf5 18. a4 Kd7 19. Na3 Nd6 20. Ke2 e6 21. Nb5 Bf6 ({Better is} 21... c4 $17 22. Na7 f5) 22. b3 $11 Rhc8 23. Ba3 (23. Nxd6 $11 Kxd6 24. Ba3) 23... Nxb5 $17 24. axb5 Rc7 $1 25. Bc6+ Kd8 26. hxg6 hxg6 27. Kd3 Ra7 28. Bc1 Ke7 29. b4 (29. Kc2 $17 {was worth a try.}) 29... Rd8+ $1 $19 ({Weaker is} 29... cxb4 30. Kc4 $17) 30. Kc2 {[#]} c4 $1 ({Not} 30... cxb4 31. Kb3 $17) 31. g4 g5 32. f4 gxf4 33. exf4 Rh8 34. g5 Bg7 35. Rxh8 Bxh8 {[%mdl 4096] Endgame KRB-KB} 36. Be4 Ra2+ 37. Kb1 Ra1+ 38. Kc2 Ra2+ 39. Kb1 {[#]} Ra4 $1 40. Kc2 Kd8 41. d3 Rxb4 42. Be3 cxd3+ 43. Bxd3 Bd4 44. Bc1 Bc5 45. Bd2 Ra4 46. f5 exf5 47. Bxf5 Ke7 48. Kd3 Rd4+ 49. Ke2 Bb4 50. Be3 Rd5 51. Bd3 Bc5 {And now ...Re5 would win.} 52. Bc1 Bg1 53. Ba3+ Bc5 54. Bc1 Rd6 55. Bf5 Kf8 56. Kf3 Rd1 57. Bf4 Be7 58. Be4 Bc5 $2 (58... Rf1+ $17 59. Kg4 Bc5) 59. Bc2 $2 (59. Bf5 $1 $11) 59... Rg1 60. Bd3 Ke7 61. Bc2 Kd8 62. Bd3 Ke8 63. Bc2 Kf8 64. Bd3 $1 Rd1 $2 (64... Ra1 $17 {Strongly threatening ...Ra4.} 65. Ke4 Ra4+ 66. Ke5 Rd4) 65. Ke2 $2 (65. Bc2 $11 Rd4 66. Be4) 65... Ra1 $17 66. Kf3 Ra4 67. Bc1 Ke7 68. g6 fxg6 69. Bxg6 Rb4 70. Bd3 Ke6 71. Bd2 Rd4 72. Ke2 Kd5 73. Be1 Ra4 74. Bf5 Ra7 75. Kd3 $2 (75. Bd3) 75... Ra3+ $19 76. Ke2 Re3+ 77. Kd1 Kc4 78. Bd2 Re7 79. Kc2 Kxb5 80. Kb3 Kc6 81. Bg4 b5 82. Bg5 Rg7 83. Bf3+ Kb6 84. Bd8+ Ka6 {White must now prevent ...Rg3.} 85. Be4 (85. Kc2 $142) 85... Rg3+ 86. Kc2 Bd4 87. Bf5 Rc3+ (87... b4 $142 88. Kd2 b3) 88. Kb1 (88. Kd2 $142) 88... Be5 (88... b4 $142 89. Ka2 Ra3+ 90. Kb1 b3) 89. Ka2 (89. Bg5 $19) 89... b4 90. Be7 Ra3+ (90... Rf3 $142 91. Bg4 Ra3+ 92. Kb1 Rg3) 91. Kb1 Kb5 (91... Rf3 $142 92. Be4 Rb3+ 93. Kc2 Re3) 92. Be6 Bg7 {Black mates.} 93. Bg8 Re3 94. Bg5 Rg3 95. Bf4 Rf3 96. Bc1 b3 97. Bd5 Rg3 {Precision: White = 41%, Black = 72%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.17"]
[Round "4"]
[White "Nabaty, Tamir"]
[Black "Martirosyan, Haik M."]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2650"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "209"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,209,29,12,25,23,14,22,28,6,13,27,26,31,43,19,37,35,54,46,69,92,94,95,154,157,150,156,146,146,203,175,298,309,291,275,419,266,271,262,253,205,208,215,288,276,272,269,268,211,251,201,230,239,241,231,229,222,289,295,277,281,267,85,85,85,85,85,85,85,85,60,60,59,59,59,59,59,59,59,59,59,59,59,59,59,59,59,60,60,60,60,60,60,60,60,60,59,59,59,59,59,60,60,60,60,60,59,59,59,60,59,60,59,60,59,59,59,59,59,59,59,59,59,59,59,59,59,60,59,59,0,60,59,59,59,59,59,59,59,60,0,66,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,8,0,0,0,8,0,8,0,0,0,8,0,8,0,8,8,8,8,8,8,8,8,8,0,8,8,8,0,0,0,0,0]} 1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nf3 d5 5. cxd5 Nxd5 6. O-O Nb6 7. b3 Be7 8. Bb2 f6 9. Nc3 O-O 10. Rc1 Be6 11. Ne4 {A29: English Opening: Four Knights Variation with 4 g3} a5 (11... Bd5 12. Qc2 Nb4 13. Qb1 Nxa2 14. Nxf6+ Bxf6 15. Qxa2 e4 16. Nd4 Qd7 17. Qb1 Rae8 18. e3 c6 {½-½ (45) Topalov,V (2754)-Giri,A (2790) Stavanger 2016}) 12. d4 {[%cal Rd4e5] LiveBook: 3 Games} Bd5 13. Nc3 {White has an edge.} e4 $1 {[%cal Re4f3]} 14. Nxd5 $146 ({Predecessor:} 14. Ne1 f5 15. f3 Bg5 16. f4 Be7 17. Nc2 a4 18. Ne3 Nb4 19. Nexd5 N6xd5 20. Nxd5 Nxd5 21. bxa4 {1-0 (35) Della Corte,A (2229)-Santagati,A (2167) St Eufemia d'Aspromonte 2010}) 14... Nxd5 15. Nd2 {[%cal Bf3d2,Bd2c4,Bc4e5][%mdl 32]} f5 16. a3 Bf6 17. e3 Nce7 18. Nc4 c6 19. g4 g6 20. Kh1 Kh8 21. Qe2 b5 22. Ne5 Qd6 (22... b4 $142) 23. gxf5 $16 gxf5 24. f3 $1 {[%cal Rf3e4]} exf3 25. Rxf3 b4 (25... Bg7 $16 26. e4 fxe4 27. Qxe4 Rxf3 28. Qxf3 (28. Bxf3 Rf8 $16) 28... Qe6) 26. Rh3 $18 Bxe5 (26... Bg7 $142) 27. dxe5 Qe6 28. Qh5 {[%csl Gh3][%cal Rh5h7]} h6 (28... Rf7 $142 29. Qxf7 Qxf7 30. e6+ Qf6 $1 {[%mdl 512]} 31. Bxf6+ Nxf6) 29. Qxh6+ Qxh6 30. Rxh6+ Kg7 31. Rhxc6 Nxc6 32. Bxd5 Ne7 33. Bxa8 Rxa8 {[%mdl 4096] Endgame KRB-KRN} 34. a4 Kf7 35. Rc5 Rd8 {Hoping for ...Rd1+.} 36. Bd4 f4 37. Kg2 fxe3 38. Bxe3 Rd3 {[#]} 39. Bg5 $1 {Black must now prevent Rc7.} Nf5 40. Rc6 {Threatens to win with Rf6+.} ({But not} 40. Rxa5 $6 Ke6 $16) 40... Kg7 41. e6 Rxb3 {intending ...Rb2+.} 42. e7 $2 (42. Rb6 $18 {and White stays clearly on top.}) 42... Rb2+ $16 43. Kf3 Nxe7 44. Bxe7 {White wants to mate with Bf6+.} Rxh2 {KRB-KR} 45. Bf6+ Kf7 {next ...Rh6 is good for Black.} 46. Ke4 b3 $1 47. Bd4 Ra2 48. Rb6 Rxa4 49. Rxb3 Ra2 50. Kf5 Ke7 51. Be5 Rf2+ 52. Bf4 a4 53. Rb7+ Kf8 54. Ra7 a3 55. Rxa3 Rf1 56. Ra7 Rf2 57. Ke5 Kg8 58. Bg5 Rf7 59. Be7 Kh7 60. Ke6 Kg6 61. Ra1 (61. Ra5 {is interesting.} Rf3 62. Rg5+ Kh6 63. Rd5 Kg6 64. Re5) 61... Rg7 62. Rf1 Rg8 63. Rf2 Rg7 64. Rf8 Kh5 65. Rf4 (65. Kf5 $5 {[%cal Rf8h8]} Rg5+ 66. Ke6 Rg6+ 67. Kf7 $14) 65... Kg6 66. Bf8 {Intending Rg4+ and mate.} Rg8 67. Rf5 Kh7 68. Kf7 {[%cal Rf5h5]} Rg7+ $1 69. Kf6 Rg6+ 70. Ke7 Rg8 71. Rf6 {[%csl Gf8][%cal Rf6h6]} Rg6 72. Rf7+ Kg8 73. Ke8 Rg2 74. Be7 Rg7 75. Rf1 Rg4 76. Rf7 Rg7 $1 77. Rf5 Kh7 78. Kf8 Rg8+ 79. Kf7 {[%cal Rf5h5]} Rg7+ 80. Ke6 Kg6 81. Rf8 Kh5 82. Bf6 (82. Rf1 $14) 82... Rg2 $1 $11 {The position is equal.} 83. Be5 Kg4 84. Rf4+ Kh3 85. Kd5 Re2 86. Ra4 Kg2 87. Ra3 Kf1 88. Kd4 Rd2+ 89. Ke4 (89. Kc3 {keeps more tension.} Rd8 90. Ra7 Rc8+ 91. Bc7 Kg2 92. Kb4) 89... Re2+ 90. Kf4 Kg2 91. Bd4 Kf1 92. Rb3 Rc2 93. Ke3 Re2+ 94. Kd3 Rh2 95. Be3 Kg2 96. Ke4 Rh4+ 97. Bf4 {Rb2+ would kill now.} Rg4 98. Rb2+ Kh1 $1 99. Kf3 Rg2 $1 100. Bd2 Kh2 101. Bf4+ (101. Bc3 $5 {[%cal Rb2g2]} Rxb2 102. Bxb2 $11) 101... Kh1 102. Rb1+ Rg1 103. Rb8 {[%cal Rb8h8]} Rf1+ 104. Kg3 {White threatens Be3 and mate.} Rg1+ 105. Kh3 {Precision: White = 68%, Black = 73%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.17"]
[Round "4"]
[White "Gabuzyan, Hovhannes"]
[Black "Kravtsiv, Martyn"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2569"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,103,-26,-37,0,0,10,0,0,0,3,3,3,3,0,0,1,4,5,5,5,-25,-25,-37,0,0,0,0,0,0,0,0,0,0,0,0,0,-14,-13,-13,-13,-16,-14,-31,-13,-22,-8,-11,-5,-5,-11,-11,0,-11,-11,-11,-8,-8,0,-8,-6,-10,-4,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O e6 5. d4 cxd4 6. Nxd4 e5 7. Nb3 Be6 8. Bg5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nbd7 9. Nc3 Be7 10. Qd3 O-O 11. Rad1 {[%cal Rc3d5] LiveBook: 3 Games} (11. e3 Rc8 12. Rfd1 e4 13. Qb5 Qc7 14. Bf4 Qb6 15. Nd4 Bg4 {½-½ (67) Dominguez Perez,L (2732)-Navara,D (2734) Huaian 2016}) 11... Rc8 $146 (11... d4 $5 {[%cal Rd4c3]} 12. Bxf6 Nxf6 $15) ({Predecessor:} 11... d4 12. Bxf6 Nxf6 13. Ne4 Qc7 14. Nxf6+ Bxf6 15. Be4 h6 {½-½ (38) Krush,I (2444)-Harika,D (2542) Baku 2016}) 12. Bxf6 Nxf6 13. Qe3 Qd6 {[#] White must now prevent ...d4.} 14. Qxa7 Ra8 (14... Rfd8 {is more complex.} 15. Qxb7 Rb8 16. Qa7 Ra8 17. Qb7 Rab8) 15. Qxb7 {[%cal Rg2d5]} Rfb8 16. Nxd5 Nxd5 ({Don't play} 16... Rxb7 $6 17. Nxf6+ gxf6 18. Rxd6 $16) 17. Rxd5 Bxd5 ({But not} 17... Rxb7 $6 18. Rxd6 Bxd6 19. Bxb7 $16) 18. Qxd5 Rxa2 19. Qxd6 Bxd6 20. Rb1 g6 21. Bd5 e4 22. Bxe4 Be5 23. Rd1 Ra7 (23... Rb4 $5 {[%cal Rb4e4]} 24. Rd8+ Kg7 $11) 24. Rd5 Bxb2 25. Kg2 Rc7 (25... Re7 $5 {[%cal Re7e4]} 26. Bd3 Rbb7 $11) 26. Bd3 Kg7 27. g4 Bf6 28. Nc5 {[#] Strongly threatening Na6.} Rd8 29. Rxd8 Bxd8 $11 {[%mdl 4096] Endgame KRB-KBN} 30. Ne4 Ra7 31. c4 Ra5 32. h3 {The position is equal.} h5 33. Kf3 hxg4+ 34. hxg4 Be7 35. Ke3 Bd8 36. Nc3 Bb6+ 37. Kf3 Bd4 38. Ne4 Bb6 39. Nd6 Ra3 40. Nb5 Rb3 41. Kg3 Bc5 42. f4 f5 43. Kf3 Kf6 44. Nc7 Ra3 45. Nd5+ Ke6 46. gxf5+ gxf5 47. Ne3 Kf6 48. Nf1 Ra2 49. Kg2 Ra3 50. Ng3 Be3 51. Kf3 Bc5 52. Nxf5 {Precision: White = 69%, Black = 53%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.17"]
[Round "4"]
[White "Petrosyan, Manuel"]
[Black "Harutyunian, Tigran K."]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2553"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,80,12,13,17,4,10,15,14,5,20,18,11,14,13,-12,0,0,0,0,-2,-8,0,0,0,0,0,0,0,0,0,-27,0,-28,-39,-74,-42,-72,-75,-111,-106,-137,0,-16,47,55,71,79,71,80,82,79,153,163,500,478,1206,700,1505,1435,1554]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. cxd5 exd5 6. Bg5 c6 7. e3 h6 {D35: Queen's Gambit Declined: Exchange Variation} 8. Bh4 g5 9. Bg3 Nh5 10. Bd3 Nxg3 11. hxg3 Bg7 12. Qc2 {LiveBook: 30 Games} Qe7 13. O-O $146 ({Predecessor:} 13. O-O-O Nb6 14. Kb1 Be6 15. Bf5 {1-0 (32) Jobava,B (2702)-Artemiev,V (2653) Doha 2016}) 13... Nb6 14. e4 dxe4 15. Rfe1 O-O (15... f5 $2 16. Bxe4 $1 {[%mdl 512]} fxe4 17. Rxe4 $18) 16. Nxe4 Qc7 17. Nc5 {[%cal Be4c5,Bc5d3,Bd3b4][%mdl 32]} Nd5 18. Bh7+ Kh8 19. Be4 Nf6 20. Ne5 Nxe4 21. Qxe4 (21. Rxe4 $2 Bf5 $19) 21... b6 22. Ncd3 Bb7 23. Rac1 {[%cal Re5c6]} Rae8 24. Qf5 (24. d5 $5) 24... Rd8 25. Nb4 {[%cal Rb4c6]} Rd6 26. Rc3 a5 27. Nc2 (27. Nbxc6 $5 Bxc6 28. Rec1 Bxe5 29. Qxe5+ f6 30. Rxc6 $1 {[%mdl 512]} fxe5 31. Rxc7 exd4 32. R7c6 Rxc6 33. Rxc6 $11) 27... Kg8 28. Qg4 Re8 29. Ne3 {Black should prevent Nf5.} Bc8 30. Qe4 c5 $1 31. f4 f6 (31... Bb7 $1 $17 {[%cal Rb7e4]} 32. d5 Qd8) 32. dxc5 Rde6 (32... bxc5 $11 33. Qg6 Red8) 33. Qd5 $14 {f5 is the strong threat.} ({Much worse is} 33. Nd5 Qd8 $15) 33... Kh7 34. Qd3+ Kg8 35. cxb6 $1 ({Don't play} 35. Nd5 $6 Qd8 $11) 35... Qxb6 {[#]} 36. N5c4 $1 $36 {[%cal Rc4b6][%mdl 2048] White is on the roll.} Qb8 {[#]} ({Black should play} 36... Qd8) 37. f5 $1 $16 {[%cal Rf5e6]} Qxg3 $2 (37... R6e7) 38. Re2 $18 {White is clearly winning.} Ra6 (38... R6e7 $142 39. Nd6 (39. Nxa5 Kh7 $11) 39... Kh7 40. Nxc8 Re4) 39. Nd5 Rxe2 40. Qxg3 Bxf5 {Precision: White = 68%, Black = 44%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.18"]
[Round "5"]
[White "Kravtsiv, Martyn"]
[Black "Nabaty, Tamir"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2657"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,68,20,25,26,15,25,32,35,37,25,42,33,62,62,68,76,81,78,72,50,54,54,53,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. d4 e6 5. O-O Ngf6 6. h3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bh5 7. c4 c6 8. cxd5 cxd5 9. Nc3 Bd6 10. Qb3 Qb6 {LiveBook: 4 Games} 11. e4 $146 {Hoping for e5.} ({Predecessor:} 11. Qxb6 Nxb6 {½-½ (22) Banusz,T (2621)-Svane,R (2526) Zalakaros 2016}) 11... Qxb3 12. axb3 {e5 is the strong threat.} Nxe4 13. Nxe4 dxe4 14. Ng5 Bb4 15. Bf4 O-O 16. Nxe4 Nb6 17. Nc3 a5 18. Bxb7 Rad8 19. Rfc1 Rxd4 20. Be3 Rdd8 $1 21. Bxb6 (21. Na2 $1 $14 Rb8 22. Nxb4 (22. Bxb6 Rxb7 23. Nxb4 Rxb6 $11) 22... Rxb7 23. Rxa5) 21... Rb8 $11 {The position is equal.} 22. Bc5 Bxc5 23. Rxa5 Rxb7 24. Rxc5 Bf3 25. Nb5 h5 26. R1c3 Bd5 27. b4 g6 28. Kh2 Kg7 29. b3 Rd8 30. Rd3 Rdb8 31. Nc7 Rxb4 32. Nxd5 exd5 33. Rcxd5 Rxb3 34. Rxb3 Rxb3 {Precision: White = 89%, Black = 87%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.18"]
[Round "5"]
[White "Swiercz, Dariusz"]
[Black "Petrosyan, Manuel"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2637"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,77,13,8,12,1,0,0,0,-2,15,4,15,11,11,9,65,68,67,60,70,57,68,52,50,54,54,52,57,41,38,22,29,0,16,10,11,21,12,8,6,4,5,0,8,0,5,6,7,8,7,8,8,0,6,2,7,7]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. b3 b6 10. Rd1 Ba6 11. a4 Qc8 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} 12. Na3 {LiveBook: 5 Games} Bb7 13. Qb2 $146 ({Predecessor:} 13. cxd5 cxd5 14. Qb2 Qd8 15. Rdc1 Ne4 16. Bf4 Bd6 17. Bxd6 Nxd6 18. Ne5 Nf6 19. Nb5 {1-0 (48) Inarkiev,E (2730)-Cheparinov,I (2688) Izmir 2016}) 13... Ne4 14. Be1 a5 15. Rac1 Qd8 16. Ne5 Nxe5 17. dxe5 {[#] Threatens to win with Bxe4.} Qb8 18. cxd5 exd5 (18... cxd5 $11 19. Nb5 Nc5) 19. Bxe4 {Black must now prevent Bg2.} dxe4 20. Nc4 $1 {[%cal Rc4b6]} Bc8 21. Qd4 Be6 $1 22. Qxb6 Qxb6 23. Nxb6 Bxb3 24. Rd7 Ra6 {[#] And now ...Ba3 would win.} 25. Rxe7 Rxb6 26. Bxa5 Ra6 27. Rc5 Bxa4 {The position is equal.} 28. e6 Bb5 29. Bc3 Bxe2 30. exf7+ Rxf7 31. Re8+ Rf8 32. Re7 Rf7 $132 {[%mdl 2048] Black puts up resistance} 33. Re8+ Rf8 34. Rxe4 Bb5 35. Re7 Rf7 36. Re8+ Rf8 37. Re7 Rf7 38. Rce5 h6 39. h4 {Precision: White = 65%, Black = 66%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.18"]
[Round "5"]
[White "Ter-Sahakyan, Samvel"]
[Black "Gabuzyan, Hovhannes"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2605"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,87,29,24,62,19,11,24,48,12,21,29,27,22,24,0,0,0,0,0,0,0,0,0,5,0,0,-29,-26,-30,0,-30,-8,-8,0,0,0,-25,-8,-8,-8,-8,-8,-8,-14,-14,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. Qd2 e6 8. O-O-O Bd7 9. f4 h6 10. Bh4 Nxe4 11. Qe1 Nf6 12. Nf5 Qa5 13. Nxd6+ Bxd6 14. Rxd6 O-O-O 15. Rd2 Ne7 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} (15... g5 16. fxg5 hxg5 17. Bg3 Nh5 18. Bd6 f5 19. Bc4 Rhe8 20. Qf2 b5 21. b4 Qa3+ 22. Kb1 Kb7 23. Bb3 {½-½ (62) Fier,A (2604)-Vera Siguenas,D (2427) Manaus 2013}) 16. Qe5 (16. Bxf6 $5 gxf6 17. Qh4 $14) 16... Qxe5 $1 17. fxe5 Nf5 {White has an edge.} 18. Bxf6 (18. Bf2 $5 {[%cal Re5f6]} Ng4 19. Bb6 $11) 18... gxf6 19. exf6 Bc6 20. Bd3 Rhg8 21. Bxf5 {aiming for Rxd8+.} Rxd2 $146 {[#]} ({Predecessor:} 21... exf5 22. Rxd8+ Kxd8 23. Rd1+ {1-0 (73) Pilnik,H-Johannsson,I Reykjavik 1955}) 22. Bxe6+ $1 {[%mdl 512]} fxe6 23. Kxd2 {Threatens to win with Rf1.} Rxg2+ $11 {[%mdl 4096] Endgame KRB-KRN} 24. Ke3 Kd7 25. Rf1 Ke8 26. f7+ Kf8 27. h4 Rxc2 28. Rf6 e5 (28... Rh2 {feels hotter.} 29. Ne2 e5 30. Rxh6 Rh3+ 31. Kd2 Kxf7 32. Rh5 Kf6) 29. Rxh6 Kxf7 30. Nd1 a5 31. h5 a4 32. Rd6 Rh2 {With the idea ...Rh3+.} (32... a3 $5 {[%cal Ra3b2]} 33. Rd2 Rc4 34. bxa3 Rh4 $17) 33. h6 {[#]The position is equal.} a3 $1 {[%mdl 512]} 34. bxa3 Rxa2 35. Nf2 Rxa3+ 36. Kd2 e4 {Strongly threatening ...e3+.} 37. Ng4 Rh3 38. Ne3 Rh5 39. Kc3 Ke7 40. Rg6 Kf7 41. Rd6 Rg5 42. Kd4 Rg6 43. Rxg6 Kxg6 44. Ng4 {Precision: White = 57%, Black = 53%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.18"]
[Round "5"]
[White "Martirosyan, Haik M"]
[Black "Kovalenko, Igor"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2544"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,26,26,25,34,32,33,25,30,21,36,29,37,32,31,31,45,31,35,33,36,28,72,63,54,37,96,78,81,81,80,82,83,89,81,82,81,20,73,28,24,12,13,12,13,14,32,47,27,8,8,8,8,15,8,6,45,8,17,0,0,0,0,0,8,0,5,5,3,0,7]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} (6. Bf4 Bd6 7. Bg3 O-O 8. e3 Bf5 9. Qb3 Bxg3 10. hxg3 Nc6 11. Be2 Qd6 12. O-O Ne7 13. Ne5 h5 {0-1 (39) Karjakin,S (2783)-Adams,M (2761) Shamkir 2017}) 6... Be6 7. e3 Nbd7 8. Bd3 {White is slightly better.} h6 9. Bf4 Be7 10. h3 O-O 11. O-O Re8 $146 ({Predecessor:} 11... c5 12. dxc5 Nxc5 13. Nd4 Rc8 14. Rc1 b5 15. Nxe6 fxe6 16. Bb1 Bd6 17. Re1 Bxf4 18. exf4 {0-1 (47) Volodin,A (2481)-Ehlvest,J (2586) Harjumaa 2010}) 12. Rc1 c6 13. Bh2 Rc8 14. Bb1 b5 15. Ne5 Nb6 16. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32]} Bd7 17. Ng3 Nc4 (17... Bd6 $14) 18. Nxd7 Nxd7 19. Nf5 {[#] Black must now prevent Qg4.} Nf6 20. b3 Nd6 21. Nxe7+ Qxe7 22. Bd3 Nde4 23. Qe2 (23. f3 $16 Ng5 24. Re1) 23... Nd7 (23... c5 $11 {remains equal.}) 24. Rc2 c5 25. dxc5 Rxc5 26. Rfc1 Rec8 27. a4 {[%cal Ra4b5]} Qf6 (27... Rxc2 {seems wilder.} 28. Rxc2 Rxc2 29. Bxc2 Qa3 30. axb5 axb5 31. Bf4 Qb2) 28. axb5 axb5 29. b4 Rxc2 30. Rxc2 Rxc2 31. Qxc2 Qa1+ 32. Qb1 Qa4 (32... Qc3 $5 {[%cal Re4d2]} 33. Bxb5 Nb6 $14) 33. Bf4 Nc3 {The position is equal.} 34. Qe1 Qxb4 {[#]} 35. Bxb5 $1 {[%mdl 512]} Qxb5 36. Qxc3 Nc5 37. Be5 (37. Qe5 $5 {[%cal Re5d5]}) 37... Ne6 38. Qc8+ Kh7 39. Qc2+ Kg8 {Precision: White = 55%, Black = 50%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.18"]
[Round "5"]
[White "Harutyunian, Tigran K"]
[Black "Amin, Bassem"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2517"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,76,0,0,0,0,0,0,0,0,0,6,0,0,-14,-3,-20,0,-16,-15,-17,-3,0,-8,-11,0,0,9,16,16,10,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,0,15,15,15,0,0,0,15]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. b3 Ne4 6. d4 d5 7. O-O O-O 8. Bb2 Bf5 9. Nbd2 Qa5 10. a3 Nd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32] D78: Fianchetto Grünfeld: 6 0-0 c6} 11. b4 Qd8 {LiveBook: 9 Games. The position is equal.} 12. Nh4 (12. Qb3 Ndf6 13. Rfd1 a5 14. b5 dxc4 15. Nxc4 a4 16. Qb4 Nd5 17. Qe1 cxb5 18. Nce5 {0-1 (34) Ponkratov,P (2607)-Mamedov,R (2688) Tallinn 2016}) 12... Nxd2 13. Qxd2 Nb6 14. cxd5 $146 ({Predecessor:} 14. Nxf5 gxf5 15. c5 Nc4 16. Qc2 b5 17. Bc3 e6 18. a4 {1-0 (30) Heimberger,R (2258)-Sulzgruber,R (2241) Austria 2015}) 14... Nc4 15. Qc3 cxd5 16. Nxf5 gxf5 17. Bc1 e6 18. Rd1 Qb6 19. e4 fxe4 {[#]} 20. Bxe4 $1 {[%mdl 512]} a5 {And now ...axb4 would win.} (20... dxe4 21. Qxc4) 21. Bc2 axb4 22. Qd3 $1 {[%csl Gc2][%cal Rd3h7]} f5 23. Rb1 $1 Rfc8 (23... Bxd4 $5 24. Qxd4 Qxd4 25. Rxd4 Nxa3 26. Bxa3 bxa3 $11) 24. Rxb4 Qc6 25. Qe2 Bf8 26. Rxc4 dxc4 {[#]} 27. d5 $1 {[%cal Rd5c6][%mdl 512]} exd5 {aiming for ...Re8.} 28. Bxf5 Re8 $1 {[%cal Re8e2]} 29. Qh5 {[%csl Gf5][%cal Rh5h7]} h6 30. Qg4+ Bg7 31. Bd7 $40 {[%mdl 128] Black needs to defend precisely.} Qf6 {Strongly threatening ...Re7.} 32. Bxe8 Rxe8 33. Be3 Re5 34. Qc8+ Kh7 (34... Qf8 $5 {[%cal Rf8c8]} 35. Qxb7 Qf3 36. Qb8+ Kh7 37. Qb1+ Kg8 $11) 35. Qxb7 Qf3 $1 {[%cal Rf3d1]} 36. Qb1+ Kg8 37. Qb8+ Kh7 38. Qb1+ Kg8 {Precision: White = 68%, Black = 72%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.19"]
[Round "6"]
[White "Kovalenko, Igor"]
[Black "Kravtsiv, Martyn"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2659"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "177"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,177,0,0,0,0,0,0,0,0,0,27,14,34,17,38,43,29,0,0,-46,-25,-102,-8,-66,-25,-110,-47,-127,-118,-104,-141,-155,-135,-144,-163,-137,-127,-152,-142,-163,-150,-168,-97,-84,-111,-157,-132,-177,-200,-414,-308,-299,-302,-388,-293,-270,-265,-254,-252,-319,-291,-293,-192,-222,-190,-200,-176,-361,-347,-366,-290,-415,-405,-452,-454,-467,-441,-446,-371,-903,-879,-823,-809,-741,-686,-644,-582,-583,-482,-408,-241,-234,-170,-430,-421,-427,-249,-685,-238,-231,-14,-15,-15,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 c5 6. Nf3 Nc6 7. Bd3 Be7 8. O-O O-O 9. a3 Nxc3 10. bxc3 b6 11. Qe2 Bb7 12. Bb2 Na5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} (12... Rc8 13. Rad1 cxd4 14. cxd4 Bf6 15. Nd2 Na5 16. f4 g6 17. Nf3 Qd5 18. e4 Qd8 19. Ne5 Bg7 20. f5 exf5 21. exf5 Bd5 22. Qf2 {0-1 (52) Korobov,A (2692)-Anton Guijarro,D (2650) Doha 2016}) 13. e4 Qc7 {LiveBook: 5 Games} 14. Rfe1 Rfd8 15. Rad1 Bf8 16. h4 $146 ({Predecessor:} 16. Ne5 Bd6 17. Nf3 c4 18. Bc2 Qe7 19. e5 Bxa3 20. Bxa3 Qxa3 21. Bxh7+ Kxh7 {1-0 (34) Cadena,G (2142)-Dominguez,R (2196) Mosquera 2014}) 16... h6 17. h5 cxd4 18. cxd4 Rac8 19. d5 exd5 20. e5 Nc4 21. Ba1 Re8 $1 22. Nh4 Qd8 23. g3 (23. Nf5 $11) 23... b5 ({Black should try} 23... Rc7 $17 24. Nf5 Bc8) 24. Kh2 (24. Qf3 $11 Qg5 25. Bf5) 24... Rc6 (24... Nxa3 25. Qf3 $17) 25. f4 (25. Qf3 $11 Bc8 26. Be4) 25... Ra6 (25... Bxa3 26. Qg4 $14) ({Black should play} 25... Qc7 $17 26. Nf5 Bc8) 26. Bd4 (26. Qg4 $15 Bc8 27. Nf5) 26... Bc8 $1 $36 {[%mdl 2048] Black is in control.} ({Much worse is} 26... Rxa3 $6 27. Bb1 $11) ({Worse is} 26... Bxa3 27. Qg4 $16) 27. Ra1 Ra4 ({Much weaker is} 27... Bxa3 $6 28. Bc2 $11) 28. Qd1 Nxa3 29. Nf5 Qd7 30. g4 Qd8 31. Kg3 {White wants to play Bxb5!} a6 32. Re2 Bd7 33. Rea2 Bxf5 (33... Qc7 $19 34. Rc1 Qa5) 34. Bxf5 Qc7 35. Rd2 a5 36. Rc1 Nc4 37. Bb1 $2 (37. Rd3) 37... Ra3+ 38. Rd3 Bc5 39. Rcc3 Bxd4 40. Rxa3 Nxa3 41. Rxa3 Bb6 42. Rd3 Qc5 43. Kh3 Qb4 44. Qc1 Qc4 45. Rc3 Qe2 {aiming for ...b4.} 46. Bf5 $2 (46. Rg3) 46... Bf2 $19 47. Qh1 d4 48. Rf3 (48. Rd3 $142) 48... Be3 49. Bd7 Rd8 50. e6 fxe6 51. Bxe6+ Kh8 52. Bb3 $2 (52. Qg2 Qe1 53. Rf1) 52... a4 53. Bd1 Qc4 54. Qe1 Rf8 55. Be2 Qd5 56. Qb4 Rb8 57. Kg3 Qc6 (57... d3 $142 58. Rxe3 dxe2 59. Rxe2 Qd3+ 60. Kf2 Rc8) 58. Bd3 Ra8 59. Rf1 $2 (59. g5) 59... a3 60. Qe7 {[#]} a2 (60... b4 $142 $1 61. Qf7 (61. Qxb4 a2) 61... Qe8) 61. Ra1 $2 {[#]} (61. Be4 Qe8 62. Qxe8+ Rxe8 63. Bd5) 61... Re8 $2 (61... Bxf4+ $1 {[%mdl 512]} 62. Kxf4 Re8) 62. Qf7 {[#]} Bd2 $2 (62... Bxf4+ $1 $19 {[%mdl 512]} 63. Qxf4 Qc3) 63. Rxa2 {The position is equal.} Re3+ 64. Kh2 {[%cal Rf7f8]} Rxd3 (64... Rh3+ $5 65. Kxh3 Qf3+ 66. Kh2 Bxf4+ 67. Kg1 Be3+ 68. Kh2 Qxf7 69. Ra8+ {[#]} Qg8 $1 {[%mdl 512]} 70. Rxg8+ Kxg8 $15) 65. Qf8+ Kh7 {Threatens to win with ...Rh3+!} 66. Qf5+ Kg8 67. Qxd3 Bxf4+ $11 {[%mdl 4096] Endgame KQR-KQB} 68. Kg1 Be3+ 69. Kh2 Bf4+ 70. Kg1 Be3+ 71. Kh2 Qd6+ 72. Kh3 {Ra8+ would kill now.} Qd5 {( -> ...Qf3+)} 73. Qe2 d3 74. Qg2 Qxg2+ 75. Kxg2 {Strongly threatening Kf3. KR-KB} d2 76. Ra8+ Kf7 77. Rd8 Bg5 78. Rd3 Ke6 79. Kf3 Ke5 80. Ke2 Kf4 81. Rd4+ Kg3 82. Rb4 Bf4 83. Rxb5 Kxg4 84. Rb7 Kxh5 {...Kg6 is the strong threat.} 85. Rxg7 Bg5 86. Rd7 Kg4 87. Kf2 h5 88. Kg2 (88. Rxd2 $5 Bxd2 89. Kg2 $11) 88... h4 {[#]} 89. Rxd2 $1 {[%mdl 512] Precision: White = 44%, Black = 57%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.19"]
[Round "6"]
[White "Nabaty, Tamir"]
[Black "Ter-Sahakyan, Samvel"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2650"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,101,14,17,13,13,0,11,15,10,4,11,0,0,-8,0,-27,-32,-37,-37,-43,-43,-243,-248,-255,-245,-256,-245,-243,-243,-206,-50,-49,-50,-45,0,0,0,0,14,14,14,15,93,86,93,52,116,129,164,119,204,192,147,157,217,220,284,282,304,294,304,310,303,305,303,310,300,296,295,287,277,246,461,441,414,396,448,427,509,509]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Qb3 Na5 8. Qa4+ {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Bd7 9. Qc2 e6 10. Nf3 Be7 11. Bd3 Nc6 12. a3 Nh5 {LiveBook: 32 Games} 13. Be5 f6 {[#]} 14. Bf4 $146 (14. Bg3 $5) ({Predecessor:} 14. Bg3 f5 {0-1 (29) Brunello,S (2580)-Eljanov,P (2702) Legnica 2013}) 14... f5 15. Be5 Nf6 16. h3 Ne4 17. g4 O-O 18. gxf5 Rxf5 19. Nxe4 {aiming for Ned2.} Rxf3 20. Nd2 Nxe5 21. dxe5 Rf8 22. Rg1 $2 ({Of course not} 22. Bxh7+ Kh8 $17) (22. O-O $15) 22... Bh4 $1 $19 23. Rg2 {[#]} Bxf2+ $1 {[%mdl 512]} 24. Rxf2 Qh4 $1 {[%csl LRf2,LRh3]} 25. Nf1 Rf3 {And now ...Raf8 would win.} 26. Rd1 Rc8 $2 (26... Raf8 $19 {[%cal Rf3f2]} 27. Rdd2 Ba4) 27. Bxh7+ $1 $15 Kh8 28. Rd4 $1 {[%cal Rd4h4]} Rxc2 29. Rxh4 Rcxf2 30. Nd2 Rf8 {Threatens to win with ...Rh2.} (30... Rxd2 $5 31. Kxd2 Rf2+ 32. Kc3 Rh2 $11) 31. Bf5+ Kg8 32. Kxf2 exf5 $11 {[%mdl 4096] Endgame KRB-KRN} (32... g5 $11 {keeps the balance.} 33. Rh5 Rxf5+ 34. Nf3 Kg7) 33. Rb4 $16 b6 34. Rd4 Be6 (34... Kf7 $14) 35. Nf3 Re8 36. Rd3 Rc8 (36... Kf7 $16 {was worth a try.}) 37. Ng5 $1 $18 {[%cal Rg5e6]} Bf7 38. Rc3 Rc4 {[#]} (38... Rxc3 $16 39. bxc3 Bh5) 39. Ke2 $1 Kf8 40. Kd3 Ke7 {[#]} 41. b3 $1 {[%cal Rb3c4]} Rc5 42. Kd4 Rxc3 43. Kxc3 {KB-KN} Bh5 44. h4 Bd1 45. b4 Ba4 46. Kd4 Bb3 47. Nh3 Ba2 $2 (47... Kd7 48. Nf4 Bd1) 48. Nf4 Bb3 49. Nh5 Kf7 {[#]} 50. e6+ $1 {[%cal Be5e6,Be6e7][%mdl 544]} Kg6 (50... Kxe6 51. Nxg7+) 51. e7 {Precision: White = 80%, Black = 49%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.19"]
[Round "6"]
[White "Swiercz, Dariusz"]
[Black "Martirosyan, Haik M"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2637"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,81,24,16,35,41,50,52,65,59,92,101,88,91,120,141,129,85,92,85,104,98,86,89,106,83,113,80,111,97,117,105,100,106,105,96,130,118,131,110,121,120,135,135,148,150,143,131,136,96,266,164,152,139,340,304,496,487,482,478,656,629,1002,969,1002,996,971,953]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bd3 Ngf6 7. Be3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} (7. Qe2 c5 8. Nxc5 Nxc5 9. dxc5 Qa5+ 10. Bd2 Qxc5 11. Ne5 O-O 12. O-O-O Rd8 13. a3 Qc7 14. Bg5 Rd5 15. f4 h6 16. h4 Bd7 17. g4 {½-½ (77) Macieja,B (2529)-Cordova,E (2645) Leon 2017}) 7... Nxe4 8. Bxe4 c5 9. c3 {LiveBook: 3 Games. White has an edge.} O-O 10. Qc2 $146 ({Predecessor:} 10. Bc2 cxd4 11. Bxd4 Bf6 12. Qd3 g6 13. O-O-O Qc7 14. h4 e5 15. Be3 {1-0 (26) Thorhallsson,T (2437)-Thuesen,M (2235) Ballerup 2014}) 10... f5 11. Bd3 Qc7 12. Qb3 Nb6 {[#] Strongly threatening ...c4.} 13. dxc5 Nd5 14. Bd4 Bxc5 15. O-O Kh8 16. Bc4 Bxd4 17. cxd4 Bd7 18. Bxd5 exd5 19. Rac1 {[%cal Ba1c1,Bc1c3,Bc3h3][%mdl 32]} Bc6 20. Ne5 f4 21. Rc3 Qd6 22. Qc2 Be8 23. Rh3 {[%csl Gh3][%cal Rc2h7] [#]} h6 24. Rc1 Kg8 25. Rc3 Qb4 26. Qd2 Rd8 27. a3 Qb6 28. Rc5 Rd6 29. Rc8 Rdf6 30. f3 Ba4 31. R1c7 Rf5 32. Qb4 Bb5 $2 (32... Qxb4 $16 {was worth a try.} 33. axb4 Rxc8 34. Rxc8+ Rf8) 33. Qc5 Qxc5 34. Rxc5 Ba6 $2 (34... Rxc8 $16 35. Rxc8+ Rf8) 35. R8c7 $18 Rd8 $2 (35... b6) 36. Re7 {White is clearly winning.} Kh7 37. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Rg5 38. Nf7 Rf8 39. Nxg5+ hxg5 40. b5 b6 41. Rxd5 {Precision: White = 69%, Black = 27%.} ({Not} 41. bxa6 bxc5 42. dxc5 Rc8 $18) 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.19"]
[Round "6"]
[White "Gabuzyan, Hovhannes"]
[Black "Harutyunian, Tigran K"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2569"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 {Program Activation Required} d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. Qc2 d4 {A14: English Opening: 1...e6 with b3 by White} 7. d3 Nc6 8. a3 a5 9. e3 e5 10. exd4 Nxd4 11. Nxd4 Qxd4 12. Be3 Qg4 13. Nc3 Qh5 {[#]} 14. f3 $146 ({NOTEXT:} 14. Nd5 Nxd5 15. cxd5 {1-0 (46) Nakamura,H (2816)-Azarov,S (2580) Las Vegas 2015}) 14... Bh3 15. Rad1 Rfd8 16. Qe2 Bxg2 17. Kxg2 Ra6 18. Rfe1 Re6 19. Ne4 Qg6 20. Bd2 Nh5 21. Kh1 f5 22. Nc3 Bc5 23. Nd5 c6 24. Nf4 Nxg3+ 25. hxg3 Qxg3 26. Nxe6 Qh3+ 27. Qh2 Qxf3+ 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.19"]
[Round "6"]
[White "Petrosyan, Manuel"]
[Black "Amin, Bassem"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2553"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,64,45,38,49,33,6,6,35,20,34,8,34,38,39,35,33,38,32,39,34,44,41,17,12,-310,-307,-381,-389,-384,-385,-532,-510,-478,-293,-919,-511,-486,-422,-416,-416,-427,-423,-414,-418,-446,-441,-470,-433,-459,-460]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 a6 8. Bd2 Bd7 9. b3 {LiveBook: 4 Games. E63: King's Indian: Fianchetto: Panno Variation with 7...a6} e5 $146 ({Predecessor:} 9... e6 10. h3 Rb8 11. d5 Ne7 12. dxe6 Bxe6 13. Nd4 Bd7 14. a4 Re8 15. a5 d5 16. Bg5 dxc4 17. bxc4 {½-½ (34) Ruck,R (2460)-Mohr,G (2430) Buekfuerdo 1995}) 10. dxe5 dxe5 11. Qc1 {The position is equal.} Re8 (11... e4 $5 {[%cal Re4f3]} 12. Nh4 Nd4 $11) 12. Bg5 Qc8 13. Nd2 Nd4 14. e3 Ne6 15. Bxf6 $1 Bxf6 16. Nde4 Bg7 17. Nd5 Kh8 18. Nef6 Rd8 19. Qa3 Bc6 20. Rac1 $2 {[%mdl 8192]} (20. Rad1 $11 {and White has nothing to worry.}) 20... Bxf6 $1 $19 21. Nxf6 Bxg2 22. Kxg2 Ng5 23. Kh1 {With the idea f4.} Qh3 {[#] White must now prevent ...Nf3.} 24. Rg1 Rd6 ({Not} 24... Nf3 25. Rg2 $17) 25. Qc5 $2 (25. Nd5 Nf3 26. Rg2) 25... Rxf6 26. Qxe5 {[#]} Qxh2+ $1 {[%mdl 512]} 27. Kxh2 Nf3+ 28. Kg2 Nxe5 29. Rgd1 Ng4 30. Rc2 c5 {Black is clearly winning.} 31. Rd7 b6 32. Rcd2 Re8 {Precision: White = 35%, Black = 69%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "7"]
[White "Amin, Bassem"]
[Black "Gabuzyan, Hovhannes"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2672"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,99,20,4,49,25,29,35,58,32,81,57,70,68,87,73,74,60,58,52,91,75,84,56,54,53,70,61,60,60,72,72,98,89,149,145,234,229,162,38,38,46,40,47,58,60,55,41,37,45,46,42,77,30,37,35,41,0,0,0,25,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. g3 Nc6 4. Bg2 g6 5. O-O Bg7 6. d3 e6 7. c3 e5 8. a3 Nge7 9. b4 O-O 10. Nbd2 b6 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} (10... h6 11. b5 Na5 12. c4 Be6 13. a4 b6 14. Nb1 f5 15. Bd2 fxe4 16. Bxa5 exf3 17. Bxf3 bxa5 18. Bxa8 Qxa8 19. f3 e4 {0-1 (19) Kozul,Z (2613)-Leko,P (2693) Tallinn 2016}) 11. Bb2 {LiveBook: 5 Games} Qc7 12. Rb1 $146 (12. d4 $5) ({Predecessor:} 12. Rc1 Bb7 13. d4 Rad8 14. bxc5 bxc5 15. d5 {1-0 (56) Blomqvist,E (2515)-Frederic,C (2205) Lille 2016}) 12... Ba6 {White has an edge.} 13. Nc4 cxb4 14. cxb4 Bb7 15. Rc1 Qd7 16. d4 {[%cal Rd4e5]} exd4 17. Nxd4 Ne5 18. Nf5 Nxf5 19. Bxe5 Rad8 20. Bxg7 (20. exf5 dxe5 21. Qxd7 Rxd7 $11) 20... Nxg7 21. Qd4 Ne6 22. Qf6 Ba6 23. Rfd1 Bxc4 24. Rxc4 Qa4 25. Rd3 Nc5 26. Rd5 Rc8 ({Black should try} 26... Qb3 27. Qc3 Qxc3 28. Rxc3 Ne6) 27. Rc3 $16 ({Stronger than} 27. Rxd6 Nxe4 28. Bxe4 (28. Rxe4 Rc1+ 29. Bf1 Qb5 $19) 28... Rxc4 $11) 27... Nb3 (27... Ne6 $16 28. Rxd6 Rcd8 29. Rxd8 Rxd8) 28. Bf1 $18 ({Weaker is} 28. Rxd6 Qxa3 29. Rxc8 Rxc8 $16) 28... Qxa3 29. Rxd6 ({Better is} 29. Qf3 $18 Rxc3 30. Qxc3) 29... Qxb4 $14 30. Rxc8 Rxc8 31. e5 Qc3 $1 32. Rd3 Qb2 $1 33. Rd7 Rf8 34. h4 {[#] Hoping for Kh2.} Nc5 35. Rxa7 Ne6 36. Kh2 Qd4 37. Bh3 Nc5 38. Kg1 Qd1+ 39. Kh2 {[#] Intending e6 and mate.} Qd4 40. Bg2 Nd3 {The position is equal.} 41. Qd6 Qxd6 42. exd6 Nxf2 $11 {[%mdl 4096] Endgame KRB-KRN} 43. Bd5 Ng4+ 44. Kh3 Nf6 45. Bb3 Kg7 46. Re7 {And now d7 would win.} Ng8 $1 {[%cal Rg8e7]} 47. Rb7 {With the idea Bxf7.} Nf6 48. Re7 {aiming for d7.} Ng8 $1 {[%cal Rg8e7]} 49. Rc7 {Bxf7! is the strong threat.} Nf6 50. Re7 {Precision: White = 61%, Black = 60%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "7"]
[White "Kravtsiv, Martyn"]
[Black "Swiercz, Dariusz"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2657"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,113,24,24,24,43,21,38,21,21,29,21,30,31,21,32,25,34,35,33,31,42,33,31,29,40,39,34,46,60,55,53,42,34,30,35,30,46,40,37,37,47,44,56,40,100,38,81,17,70,21,88,67,74,70,78,73,97,98,110,112,130,144,129,124,219,204,197,215,255,253,328,313,301,193,193,191,202,190,358,349,417,415,400,333,408,399,399,392,399,364,495,463,509,507,1356,1356,1356,1349,1349,1349,1337,1305,1268,1225,1102,1025]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. e4 {A16: English Opening: 1...Nf6 with ...d5} Nxc3 7. dxc3 Qxd1+ 8. Kxd1 {White is slightly better.} Nd7 9. Nd4 e5 $146 ({Predecessor:} 9... c5 10. Nc2 Ne5 11. Ne3 Bd7 12. a4 Bc6 13. f3 {½-½ (42) Vidit,S (2670)-Gupta,A (2607) Reykjavik 2017}) 10. Nb5 Kd8 $1 11. Kc2 a6 12. Na3 b5 13. Nb1 Bb7 14. f3 f5 15. exf5 gxf5 16. a4 c6 17. Bd3 Rf8 18. Be3 Kc7 19. Nd2 Nb6 20. axb5 cxb5 21. Nb3 Nd5 22. Bc5 Rf7 23. Rhe1 Re8 24. Rad1 e4 25. fxe4 fxe4 26. Be2 {Bh5 is the strong threat.} Re5 ({Black should play} 26... e3 $14) 27. g4 (27. Na5 $16) 27... e3 {[#]} 28. Nc1 (28. Rf1 $1 $16 {[%cal Rf1f7]} Rf2 29. Nc1) 28... Re6 (28... Bf8 $11 29. Nd3 Re8) 29. Nd3 (29. Rf1 $5 {[%cal Rf1f7]} Nf4 30. Nd3 $14) 29... h6 (29... Bf8 $11 {keeps the balance.}) 30. Rf1 Rxf1 31. Rxf1 Rf6 32. Rg1 $36 {[%mdl 2048] Black is under strong pressure.} Rf7 33. g5 hxg5 34. hxg5 {[%cal Bh4g5,Bg5g6][%mdl 32]} Bc8 35. g6 Rf5 36. Rh1 {[#] Strongly threatening Rh7.} Nf6 (36... Kc6 $16) 37. Bxe3 $18 Bb7 38. Rh4 Be4 39. Bd4 Rg5 40. Rxe4 $1 Nxe4 41. Bxg7 Rxg6 42. Be5+ Kb6 43. Nf4 Rh6 $2 (43... Rg8 44. b4 Re8) 44. Bf3 Nd6 45. Nd5+ Kc6 46. Nb4+ Kd7 47. Nxa6 Nc4 48. Nc5+ Ke7 49. Bf4 Rh3 50. Be2 {White is clearly winning.} Rh1 51. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Nd6 (51... Nb6 $142 52. Bxb5 Nd5 53. Bg5+ Kd6) 52. Bxd6+ Kxd6 53. b4 Rh2 54. Kd2 Kc6 55. Nb3 Kd5 56. Nd4 Rh4 57. Nxb5 {Precision: White = 85%, Black = 42%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "7"]
[White "Ter-Sahakyan, Samvel"]
[Black "Kovalenko, Igor"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2605"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,86,0,0,0,8,12,19,0,-12,-18,0,-9,0,0,65,66,65,67,67,62,58,72,66,65,87,88,84,66,88,75,110,62,100,82,78,77,67,44,51,31,72,76,75,77,77,86,124,122,103,107,242,0,0,-151,-142,-541,-579,-562,-577,-548,-544,-527,-516,-508,-388,-511,-508,-1671,-1663,-1669,-1539,-1300,-1257]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Qd1 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} (9. Nf3 b6 10. c4 Ne7 11. Bd3 dxc4 12. dxc5 bxc5 13. Ng5 h6 14. Nh7+ Rxh7 15. Bxh7 Bb7 16. O-O Nbc6 {1-0 (29) Caruana,F (2817)-Naroditsky,D (2646) Saint Louis 2017}) 9... b6 10. dxc5 bxc5 11. Nf3 {The position is equal.} (11. c4 $5) 11... Ne7 12. Rb1 Ba6 13. Bxa6 Qxa6 14. Qe2 $36 {[%mdl 2048] White is pushing.} Nec6 (14... c4 $11) 15. Be3 $14 c4 $146 ({Predecessor:} 15... Qxe2+ 16. Kxe2 Nd7 {0-1 (112) Young,D (1807)-Brzezinski,A (2203) London 2016}) 16. Bc5+ Kg8 17. O-O h6 18. Nd4 Nd7 19. Bd6 Nxd4 20. cxd4 Kh7 21. Rb3 Qc6 22. Rg3 Rhg8 23. Rh3 Nf8 24. f4 f5 25. g4 Qe8 26. Rg3 Rd8 27. Kh1 Ng6 28. g5 Rd7 29. Qh5 Nh8 30. Qh3 Rb7 31. Rfg1 Ng6 {[%cal Bh8g6,Bg6f4,Bf4h3,Bh3g1][%mdl 32]} 32. Qh5 {Hoping for gxh6.} Qf7 ({Don't blunder} 32... Nxf4 $2 33. g6+ Kh8 34. Qf3 $18) (32... Qd8 $16) 33. gxh6 $2 (33. Bb4 $1 $18) 33... Nxf4 $11 34. Qf3 $2 {[#]} ({White should play} 34. Qg5 $11 Ne2 35. hxg7 Nxg3+ 36. Rxg3 Rb1+ 37. Kg2 Rxg7 38. Qh4+ Kg8 39. Qd8+ Kh7 40. Qh4+ Kg8 41. Qd8+ Kh7 42. Qh4+) 34... g5 $1 $17 35. h4 $2 {[%mdl 8192] [#]} (35. Rxg5 $17 Rxg5 36. Rxg5 Rb1+ 37. Rg1 Rxg1+ 38. Kxg1 Qg6+ 39. Kh1) 35... Nh3 $1 $19 {[%mdl 512]} 36. hxg5 (36. Rxh3 g4) 36... Nxg1 37. Rxg1 Rb2 38. Rg2 Rb1+ 39. Kh2 Re1 40. Bf8 Re4 {Black is clearly winning.} 41. Bg7 (41. Bb4 $142 Rxd4 42. Kh3) 41... Qg6 42. Bf6 Rb8 43. Qd1 Rb2 {Precision: White = 62%, Black = 53%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "7"]
[White "Martirosyan, Haik M"]
[Black "Petrosyan, Manuel"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2544"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,136,28,16,23,5,5,4,18,12,49,54,50,43,78,20,19,7,6,6,4,6,4,5,9,4,12,6,22,11,8,0,13,10,12,7,13,12,14,0,0,0,0,-6,-10,-23,-27,-39,-41,-123,-86,-231,-125,-159,-149,-169,-147,-119,-100,-180,-117,-224,-230,-220,-230,-233,-218,-228,-230,-224,-231,-253,-262,-378,-336,-397,-406,-532,-533,-862,-867,-831,-814,-1359,-1372,-1195,-1310,-1378,-1281,-1758,-1719,-29944,-29949,-5593,-5517,-29973,-29975,-29975,-29974,-29974,-29974,-29973,-29974,-29973,-29974,-29972,-29971,-29964,-29966,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29983,-29984]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 c5 10. O-O cxd4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 11. Ne4 (11. Nxd4 Bd7 12. Ne4 Qe7 13. Bd3 Nc6 14. Nb3 Na5 15. Rc7 Rfd8 16. Nxa5 Bxa5 17. Rxb7 Qf8 18. Qh5 Bb6 19. Ng5 {½-½ (28) Radjabov,T (2710)-Harikrishna,P (2755) Shamkir 2017}) 11... Qe7 12. a3 Ba5 {The position is equal.} 13. Qxd4 Nc6 (13... Rd8 $5 {[%cal Rd8d4]} 14. Qc5 Qxc5 15. Nxc5 Nd7 $11) 14. Qc5 Bd7 15. Bb5 $146 {Hoping for Qxe7.} ({Predecessor:} 15. Rfd1 Rfd8 16. Qxe7 Nxe7 17. Nd6 Bc6 18. Ne5 Rxd6 19. Rxd6 Bc7 20. Nxf7 Kxf7 21. Rxe6 Kf8 22. Bb5 Kf7 23. Bc4 Kf8 24. Bb5 Kf7 {½-½ (24) Sarana,A (2468)-Olafsson,H (2540) Moscow 2017}) 15... Rfd8 16. Rfd1 (16. Rcd1 $16 {aiming for Qxe7.} Bc8 17. Bxc6 Qxc5 18. Nxc5 bxc6 19. b4 Rxd1 20. Rxd1) 16... Rac8 17. g4 (17. Rb1 {feels hotter.} Be8 18. Qxe7 Rxd1+ 19. Rxd1 Nxe7 20. Bxe8 Rxe8 21. Kf1) 17... Bb6 18. Qxe7 Nxe7 19. Bxd7 Rxc1 20. Rxc1 {Threatens to win with Ba4.} Rxd7 21. Nc3 Nc6 22. Na4 Kf8 23. Kg2 Ke7 24. Rc3 Rd5 25. h4 Rb5 26. Rc2 h5 27. g5 Ra5 28. Nc3 Rc5 29. b4 Rc4 30. Kh3 Nb8 31. Nd2 (31. Ne5 $5 {[%cal Re5c4]} Rc7 32. Nd3 $11) 31... Rc7 32. Kg3 a5 33. b5 ({White should try} 33. Rc1 $15) 33... Nd7 34. f4 (34. Rc1 $17 {was necessary.}) 34... a4 ({Black should play} 34... Bxe3 $19 {...Nb6 is the strong threat.} 35. Nd5+ exd5 36. Rxc7 Bxd2 37. Rxb7 Be3) 35. Kf3 Ba5 36. Ndb1 Nb6 37. Ke2 Rc5 38. Kd3 (38. e4 $17 {was worth a try.}) 38... Nd5 $19 39. Nxa4 (39. b6 $17 {was called for.}) 39... Rxc2 ({Worse is} 39... Rxb5 40. Nd2 $11) 40. Kxc2 Nxe3+ $17 {[%mdl 4096] Endgame KBN-KNN} 41. Kd3 Ng2 42. Ke4 Nxh4 43. Nc5 b6 44. Nb3 Nf5 45. Nxa5 (45. a4 $142) 45... Nd6+ $19 (45... bxa5 $2 46. a4 $19) 46. Ke3 {And now Nc6+ would win.} bxa5 {KN-KN} 47. a4 {[#]} Nc4+ $1 48. Kd4 h4 49. Ke4 Kd6 50. g6 fxg6 51. Kf3 Kc5 52. Kg4 {[#]} g5 $1 53. fxg5 g6 54. Kxh4 Kb4 55. Kg3 Kxa4 56. Kf4 Kxb5 {Black mates.} 57. Ke4 Kb4 58. Kd3 Kb3 59. Nc3 Ne5+ 60. Kd4 Nc6+ 61. Kd3 a4 62. Ne4 Kb2 63. Nd2 Na5 64. Ne4 a3 65. Nc3 a2 66. Nxa2 Kxa2 67. Kd4 Nc6+ 68. Kc5 e5 {Precision: White = 39%, Black = 85%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "7"]
[White "Harutyunian, Tigran K"]
[Black "Nabaty, Tamir"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2517"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,58,0,-38,-34,-28,-24,-35,-25,-68,-58,-145,-149,-146,-143,-155,-161,-160,-161,-316,-306,-310,-306,-290,-302,-295,-312,-305,-310,-310,-293,-305,-272,-410,-374,-493,-499,-491,-499,-479,-421,-418,-404,-424,-412,-612,-611]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. b3 Bb4 7. Bd2 Qe7 8. Bd3 {LiveBook: 3 Games. D45: Semi-Slav: 5 e3} (8. Qc2 O-O 9. Be2 e5 10. cxd5 cxd5 11. a3 Ba5 12. O-O e4 13. Ne1 Bxc3 14. Bxc3 Re8 15. Qd2 Nf8 {½-½ (77) Nyzhnyk,I (2628)-Sevian,S (2556) Saint Louis 2015}) 8... e5 9. dxe5 Nxe5 10. Nxe5 {Black has an edge.} Qxe5 11. f4 Qe7 {Hoping for ...d4.} 12. O-O ({Better is} 12. cxd5 $1 $15 Bxc3 13. Bxc3) 12... dxc4 $17 13. bxc4 Bg4 $146 ({Predecessor:} 13... O-O 14. Qc2 Rd8 15. Rf3 Bg4 16. Rg3 Qd7 17. e4 Nh5 18. Rxg4 Qxg4 19. Ne2 Bc5+ 20. Kh1 Qd7 {0-1 (20) Vidmar,M-Vukovic,S Novi Sad 1945}) 14. Qc2 O-O-O {And now ...Qd7 would win.} 15. Rab1 Rd7 16. Nb5 $2 (16. Rxb4 {is a better defense.} Qxb4 17. Nd5) 16... Bxd2 $19 17. Nxa7+ {[#]} Kc7 $1 18. Qxd2 {Intending Qa5+ and mate.} Qa3 19. Nb5+ cxb5 20. Rb3 Qa7 21. cxb5 {[#] aiming for b6+.} Qb6 $1 22. f5 Re8 23. Kh1 (23. Re1 $142) 23... Rxe3 24. Qf2 {intending Be2.} Qd4 25. b6+ Kd8 26. Bc4 Rxb3 ({Less strong is} 26... Qxc4 27. Rxe3 Rd5 28. Rb1 $17) 27. Qxd4 Rxd4 28. axb3 Ne4 29. Kg1 (29. Bxf7 $142 Bxf5 30. Bg8) 29... Nd2 {Precision: White = 19%, Black = 95%.} 0-1

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "8"]
[White "Kovalenko, Igor"]
[Black "Harutyunian, Tigran K."]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2659"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,84,24,17,19,12,12,11,33,13,61,0,0,0,29,32,45,49,40,34,34,10,25,0,2,0,0,7,0,-23,57,65,102,0,0,-28,0,0,0,0,0,0,0,-7,58,50,47,-41,0,-61,-39,-39,-39,-39,0,0,0,0,0,0,0,-162,-147,-140,0,0,-118,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 Be7 {D35: Queen's Gambit Declined: Exchange Variation} 8. Nf3 O-O 9. Bc4 b6 $146 ({Predecessor:} 9... Nc6 10. O-O b6 11. d5 Na5 12. Bd3 c4 13. Bc2 exd5 14. exd5 Bb7 15. Re1 {1-0 (31) Svidler,P (2749)-Hou,Y (2666) Geneve 2017}) 10. O-O Bb7 11. Qe2 ({Better is} 11. d5 $14) 11... Nc6 $11 {[%cal Rc5d4]} 12. Rd1 cxd4 13. cxd4 Qc7 14. Bb2 Na5 15. Bd3 Rac8 16. h4 Rfe8 17. h5 (17. Rbc1 $5 {[%cal Rc1c7]} Qd6 18. Ne5 $11) 17... h6 18. Ne5 Bg5 19. Bb5 Red8 20. Qg4 a6 (20... Bf6 $11) 21. Bd3 $14 b5 {[#]} 22. f4 (22. d5 $1 $16 {[%cal Rd5e6][%mdl 512]} exd5 23. exd5) 22... Bf6 $11 23. Rbc1 (23. d5 $5) 23... Qb6 {Strongly threatening ...Rxc1.} 24. Rxc8 Bxc8 25. Kh2 {Nxf7! is the strong threat.} Nc4 26. Bxc4 bxc4 27. Bc3 Bb7 ({Black should play} 27... Qc7 $11) 28. d5 $1 $14 exd5 {White must now prevent ...d4.} 29. exd5 ({White should try} 29. Nd7 $14 Rxd7 30. Bxf6 Qxf6 31. Qxd7) 29... Bxe5 (29... Rxd5 $2 30. Rxd5 Bxd5 31. Nd7 $18) 30. fxe5 (30. Bxe5 $11 f6 31. Rb1) 30... Rxd5 31. e6 $1 {[%csl Gc3][%cal Rg4g7]} Qc7+ 32. g3 {[%csl Gc3][%cal Rg4g7]} Rg5 33. Rd7 Qc5 ({Weaker is} 33... Rxg4 34. exf7+ Kh7 35. Rxc7 Rg5 36. g4 Rxg4 37. f8=Q Rh4+ 38. Kg3 Rg4+ 39. Kxg4 Bc8+ 40. Rxc8 g6 41. Qh8#) 34. exf7+ Kh7 {( -> ...Qf2+)} 35. Bd4 $40 {[%mdl 128] White mounts an attack.} Qa3 $1 {[%cal Ra3a2]} (35... Rxg4 $2 {loses.} 36. Bxc5 Bc6 37. Rc7 $18) ({Don't capture} 35... Rxh5+ $2 36. Kg1 $18) 36. f8=N+ $2 (36. Qxg5 $1 $11 {and White has nothing to worry.} hxg5 37. Rxb7) 36... Qxf8 $19 37. Qf4 {[#]} Rxh5+ (37... Qxf4 $1 $17 38. gxf4 Rg2+ 39. Kh3 Bc8 40. Kxg2 Bxd7) 38. Kg1 $11 Rh1+ 39. Kf2 Rh2+ {The position is equal.} 40. Kf1 $1 Rh1+ 41. Kf2 $1 Rh2+ 42. Kf1 $1 Rh1+ {Precision: White = 53%, Black = 43%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "8"]
[White "Nabaty, Tamir"]
[Black "Amin, Bassem"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2650"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,97,14,34,21,43,39,51,21,20,17,20,15,20,2,18,0,10,0,6,2,2,26,26,32,32,14,10,0,0,0,0,0,0,0,0,0,19,0,0,0,0,0,9,9,7,10,7,0,20,12,11,14,66,69,77,17,16,0,6,0,0,0,25,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 O-O 8. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} h6 9. Re1 Re8 10. Nf1 Ba7 {LiveBook: 8 Games} 11. Qb3 Be6 $146 ({Predecessor:} 11... Qe7 12. a5 Rb8 13. Be3 Be6 14. Bxe6 Qxe6 15. Qxe6 Rxe6 16. Bxa7 Nxa7 {½-½ (63) Carlsen,M (2832)-Mamedyarov,S (2800) Paris 2017}) 12. Bxe6 Rxe6 13. Be3 Bxe3 14. Nxe3 Rb8 15. g3 Qd7 16. Nh4 Ree8 17. Nhf5 Kh7 18. Rad1 Qe6 19. Qc2 g6 20. Nh4 d5 21. exd5 Nxd5 22. Nc4 Qf6 23. Qe2 b5 24. axb5 axb5 25. Ne3 Rbd8 26. Nxd5 Rxd5 27. f4 Re6 {[%cal Be8e6,Be6d6,Bd6d5][%mdl 32]} 28. Qf3 (28. f5 $5 gxf5 29. Rf1 $14) 28... Red6 29. f5 g5 30. Ng2 e4 31. Qxe4 Re5 32. Qg4 $1 {Hoping for Ne3.} Rxe1+ 33. Nxe1 Rd5 34. d4 {Strongly threatening Ng2.} Rxf5 {( -> ...Rf1+)} 35. Qe4 Kg7 (35... Qg6 $11 36. Qe2 b4) 36. Ng2 $14 Qg6 {[#] White must now prevent ...Rf1+!} 37. Re1 (37. Qe2 $1 $16) 37... Rf6 $11 38. Qxg6+ Kxg6 {[%mdl 4096] Endgame KRN-KRN} 39. Re8 Na5 40. Ne3 (40. Rg8+ {seems wilder.} Kh7 41. Rb8 c6 42. Ne3 Rf3 43. Re8) 40... Re6 41. Rxe6+ (41. Ra8 {keeps more tension.} Nc4 42. Nxc4 bxc4 43. Ra4 Re1+ 44. Kf2) 41... fxe6 {KN-KN. The position is equal.} 42. Kf2 h5 43. Kf3 Nb7 44. d5 Kf6 45. dxe6 Kxe6 46. h4 gxh4 47. gxh4 Ke5 48. Ng2 Nd6 49. Nf4 {Precision: White = 48%, Black = 52%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "8"]
[White "Swiercz, Dariusz"]
[Black "Ter-Sahakyan, Samvel"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2637"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,53,25,30,16,28,22,25,0,9,6,27,8,31,35,31,28,50,26,23,20,31,22,24,34,33,23,26,11,31,25,38,38,38,38,38,38,38,39]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Be6 9. O-O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Qd7 {LiveBook: 243 Games} ({Of course not} 9... Bxa2 $6 10. b3 $16) 10. b3 (10. Kb1 a6 11. h4 h6 12. Be2 O-O-O 13. Nd4 Nxd4 14. Bxd4 Rhg8 15. c4 Rde8 16. g3 Bd8 17. b3 Bf5 18. Rhe1 g5 {½-½ (18) Kryvoruchko,Y (2714)-Li,C (2722) Chartres 2017}) 10... a6 11. h3 {White has an edge.} O-O-O 12. g4 h6 (12... h5 $5 {[%cal Rh5g4]} 13. g5 f6 $11) 13. Bg2 Bf6 14. Rhe1 $146 ({Find the theoretical novelty and annotate with similar games:} 14. Nd4 Bxd4 15. cxd4 d5 16. f4 f5 {½-½ (41) Lyell,M (2249)-Stigar,P (2235) Budapest 2017}) 14... Rhe8 15. Kb1 Kb8 16. Re2 Re7 17. Rde1 Rde8 18. Kb2 Qd8 19. Nd4 Bd7 20. Nxc6+ Bxc6 21. Bxc6 bxc6 22. Bd4 {[#] Threatens to win with Bxf6.} Re6 23. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} c5 24. Bxf6 {White is slightly better.} Qxf6 25. f5 Re5 26. Qd3 Kb7 27. Rxe5 {Precision: White = 59%, Black = 41%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "8"]
[White "Petrosyan, Manuel"]
[Black "Gabuzyan, Hovhannes"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2553"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "24"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,24,-2,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Bb7 $146 ({Predecessor:} 11... c6 12. Rd1 Nbd7 13. Nc3 Bg6 14. a3 c5 15. Be3 Qc7 16. Ne5 cxd4 17. Nxg6 hxg6 18. Bxa8 dxe3 19. Nd5 exf2+ {1-0 (80) Hou,Y (2652)-Hammer,J (2621) Moscow 2017}) 12. Qc2 Be4 {LiveBook: 1163 Games} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.20"]
[Round "8"]
[White "Martirosyan, Haik M."]
[Black "Kravtsiv, Martyn"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2544"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,34,7,-10,11,-8,-4,-18,-18,-19,-12,-20,-23,-23,-23]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 Be7 8. O-O O-O 9. a3 cxd4 10. exd4 Bf6 11. Be4 Nce7 12. Qc2 g6 {D42: Queen's Gambit Declined: Semi-Tarrasch: 5 cxd5 Nxd5 6 e3 Nc6 7 Bd3} 13. Qb3 $146 ({Predecessor:} 13. Bh6 Re8 14. Rad1 b6 15. Ne5 Bb7 16. Ng4 {½-½ (16) Horvath,C (2506)-Kahn,E (2355) Budapest 2002}) 13... b6 14. Bh6 {Strongly threatening Bxd5.} Re8 15. Bxd5 Nxd5 16. Nxd5 Qxd5 17. Qxd5 exd5 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.22"]
[Round "9"]
[White "Amin, Bassem"]
[Black "Kovalenko, Igor"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2672"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,129,14,3,4,0,7,0,7,0,10,0,10,-5,1,0,4,17,16,-38,27,41,54,0,0,-14,-11,-12,-8,-22,0,-34,-29,-41,-44,-35,-39,-37,-41,-127,-116,-109,-122,-112,-104,-122,-116,-113,-115,-137,-116,-135,-128,-206,-158,-234,39,31,36,20,30,21,27,17,70,41,41,40,60,59,60,60,59,59,59,59,59,59,59,67,84,60,266,205,184,164,270,270,302,293,278,286,245,245,29959,29959,29954,29961,29959,29962,29961,29963,29961,29961,29965,29963,29968,29969,29972,29972,29973,29972,29982,29983,29983,29984,29985,29986]} 1. e4 e6 2. d3 c5 3. g3 Nc6 4. Bg2 Be7 5. Nf3 Nf6 6. O-O d6 7. Re1 O-O 8. c3 b5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 9. d4 Bb7 10. d5 exd5 {The position is equal.} 11. exd5 Na5 12. Nh4 Qd7 13. Na3 Rfe8 14. b4 Nc4 $146 ({Predecessor:} 14... cxb4 15. cxb4 Nc4 16. Nxc4 bxc4 {1-0 (37) Amin,B (2654)-Haugli,P (2257) Helsingor 2016}) 15. Nxc4 bxc4 16. Rb1 (16. bxc5 $11 dxc5 17. Bg5) 16... cxb4 (16... Bf8 $15) 17. Rxb4 $11 Rac8 18. h3 (18. Nf5 $14 Qxf5 19. Rxb7) 18... Ba8 19. Be3 Bd8 20. Rb1 h6 21. g4 Ne4 (21... Bxd5 $5 22. Bxd5 Nxd5 23. Qxd5 Bxh4 $15) 22. Bxe4 Rxe4 23. Nf5 Re5 24. Bd4 Rxd5 25. Qe2 {Hoping for Qe8+.} ({Don't go for} 25. Nxg7 $2 Rxd4 $1 {[%mdl 512]} 26. cxd4 (26. Qxd4 $2 {loses.} Qc6 $19) 26... Kxg7 $19) 25... Bg5 26. f3 ({White should try} 26. Ne7+ $15 Bxe7 27. Qxe7) 26... Rxf5 $17 27. gxf5 Qxf5 28. Rf1 Qxh3 29. Qg2 Qe6 {Strongly threatening ...Be3+.} 30. Rbe1 Qd5 31. Re2 Kh7 32. Qh3 Rg8 33. Rg2 (33. Rff2 $17) 33... Bb7 34. Kh1 (34. Re2 $17) 34... Re8 $2 (34... Bf4 $19 {...Be5 is the strong threat.} 35. Qg4 Be5) 35. Rxg5 $1 $14 Qxg5 36. Rg1 {[#]} Bxf3+ $1 37. Qxf3 Qh4+ 38. Kg2 f6 (38... Kg8 $11) 39. Qf5+ Kg8 40. Bf2 Qe4+ 41. Qxe4 Rxe4 {[%mdl 4096] Endgame KRB-KR} 42. Kf3 Re5 43. Bxa7 Ra5 44. Bd4 $1 Kf7 45. Ra1 Ra4 46. Ke4 Ke6 47. Rg1 d5+ $2 (47... Kf7 $1 $14) 48. Ke3 Kf7 49. Rg2 Ra3 (49... g5 $142 50. Rb2 Ra6) 50. Kf4 $18 h5 51. Kf5 Ra6 52. Rb2 g6+ 53. Kf4 Ke6 $2 {[#]} (53... Ke8 $18 54. Rb7 Re6) 54. Rb6+ $1 {White mates.} Rxb6 55. Bxb6 {KB-KP} g5+ 56. Kg3 f5 57. a4 Kd7 58. Bd4 Kc6 {[#]} 59. Bf6 $1 {[%cal Rf6g5]} h4+ 60. Kh3 Kc5 61. Be7+ Kc6 62. Bxg5 d4 63. cxd4 c3 64. Kxh4 Kd5 65. a5 {Precision: White = 57%, Black = 47%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.22"]
[Round "9"]
[White "Kravtsiv, Martyn"]
[Black "Petrosyan, Manuel"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2657"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,23,17,4,0,-6]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 Be6 11. Qf3 ({Don't play} 11. Bxf6 Qxf6 12. Nb5 c6 $15) 11... Rb8 {C47: Scotch Four Knights and Four Knights with 4 g3} (11... Be7 12. h3 Rb8 13. b3 h6 14. Bf4 Bd6 15. Rad1 c5 16. Ne2 Re8 17. Rfe1 Bxf4 18. Nxf4 Qb6 19. Nxe6 Rxe6 20. Rxe6 Qxe6 {½-½ (47) Liu,C (2361)-Asis Gargatagli,H (2504) Barcelona 2016}) 12. Ne2 {Predecessor:} h6 $146 13. Bxf6 Qxf6 14. Qxf6 gxf6 15. b3 c5 16. Nf4 Bd2 17. Nxe6 fxe6 18. c4 Bc3 19. Rac1 {0-1 (62) Frederic,C (2235)-Jolly,J (2366) Nimes 2009} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.22"]
[Round "9"]
[White "Ter-Sahakyan, Samvel"]
[Black "Martirosyan, Haik M"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2605"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,25,29,16,15,12,23,0,-2,0,0,0,8,-9,17,0,0,0,0,0,0,-3,31,0,-12,-83,0,-32,-25,-65,-67,-100,-85,-88,-100,-102,-91,-87,-59,-74,-70,-60,-9,-68,-61,-58,-39,-106,-120,-164,-170,-168,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Qe2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. O-O {keeps more tension.} Bd6 7. Nbd2 Be6 8. b3 Nd7 9. Nc4) (6. O-O Qe7 7. Nbd2 Bg4 8. Nc4 Nd7 9. a3 a5 10. Be3 f6 11. Bxc5 Nxc5 12. Ne3 Bxf3 13. Qxf3 O-O {0-1 (54) Anand,V (2786)-Carlsen,M (2832) Leuven 2017}) 6... Nd7 7. Be3 Bd6 8. d4 {White has an edge.} O-O 9. Nbd2 Re8 10. O-O-O exd4 11. Nxd4 Bf8 $146 ({Predecessor:} 11... Nf6 12. f3 c5 13. Nb5 a6 14. Nxd6 cxd6 {1-0 (51) Alekseenko,K (2588)-Petrosyan,M (2549) Moscow 2017}) 12. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} c5 {[%cal Bc6c5,Bc5c4,Bc4c3][%mdl 32]} 13. Nf5 Qf6 14. g5 Qe6 15. Kb1 c4 16. Rhg1 (16. Nd4 $5 {[%cal Rd4e6]} Qb6 17. Nxc4 $14) 16... c3 17. Nb3 (17. Nd4 $11 {remains equal.} Qe7 18. bxc3) 17... Ne5 (17... cxb2 $17 18. Ng3 Nb6) 18. Bd4 Ng6 19. Rde1 ({Reject} 19. bxc3 Qxe4 20. Qxe4 Rxe4 $17) 19... cxb2 20. Qf3 {[#]} Qc6 $1 21. Bxb2 Bxf5 22. Qxf5 {[#]} a5 $1 {[%mdl 512]} 23. Nd4 (23. Nxa5 Qa4) 23... Qc5 (23... Qb6 {looks sharper.} 24. Qb5 Qa7 25. f4 c6 26. Qc4 Nxf4 27. Nf5 Ng6) 24. Qxc5 Bxc5 25. Rgf1 Bb4 (25... Ne5 $15 26. Nb5 Rac8 27. Bxe5 Rxe5) 26. Re2 ({Better is} 26. c3 $11 Bd6 27. Bc1) 26... Nf4 $15 27. Re3 Bd2 28. Rf3 ({White should try} 28. Rb3 $15) 28... Rxe4 $17 29. Nf5 {[#]} Ne6 $1 30. h4 Bb4 $2 {[#]} (30... Rd8 $19 31. Rd1 Bxg5) 31. Bxg7 $1 $11 {[%mdl 512] The position is equal.} Nxg7 32. Nh6+ Kh8 {Hoping for ...Ne6.} 33. Nxf7+ Kg8 {aiming for ...Ne6.} 34. Nh6+ Kh8 {And now ...Ne8 would win.} 35. Nf7+ {Precision: White = 41%, Black = 59%.} 1/2-1/2

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.22"]
[Round "9"]
[White "Gabuzyan, Hovhannes"]
[Black "Nabaty, Tamir"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2569"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,111,21,19,0,5,0,9,0,0,0,0,-8,-8,-28,-20,-18,-17,-10,-21,-20,-9,-16,-6,-7,0,-1,14,10,20,15,18,0,17,14,16,11,11,3,23,11,21,25,22,13,13,20,10,14,16,0,0,0,0,0,0,0,29,11,22,10,64,54,77,77,83,77,83,91,115,115,115,115,115,115,115,115,115,115,115,115,115,106,108,15,1178,1030,884,878,1295,580,1421,1146,29979,29980,29984,29982,29986,29981]} 1. Nf3 d5 2. g3 Nd7 3. d4 Ngf6 4. Bg2 g6 5. O-O Bg7 6. c4 dxc4 7. Qa4 O-O 8. Qxc4 Nb6 {LiveBook: 5 Games. D73: Fianchetto Grünfeld: 5 Nf3} 9. Qc5 Bf5 10. Nc3 (10. Bf4 Ne4 11. Qxc7 Nd5 12. Qxb7 Nxf4 13. gxf4 Qd6 14. Qb3 Qxf4 15. Nc3 Rab8 16. Qa3 {½-½ (32) Van Wely,L (2647)-Giri,A (2791) Amsterdam 2015}) 10... Ne4 {The position is equal.} 11. Qa3 Nxc3 $146 ({Predecessor:} 11... Re8 12. Ng5 Nd6 13. e4 Bg4 14. e5 Ndc4 15. Qc5 h6 16. b3 hxg5 17. bxc4 {1-0 (37) Mohebbi,J (2292)-Schrems,H (2159) Baden 2013}) 12. bxc3 Be4 13. Qb3 Qd5 14. Ba3 Rfe8 15. Qxd5 Bxd5 16. Nd2 e5 17. e3 Rad8 18. Rfc1 Bxg2 19. Kxg2 f5 20. Rc2 g5 21. Rb1 f4 22. exf4 gxf4 23. dxe5 fxg3 24. hxg3 {Hoping for f4.} Rxe5 25. Nf3 Re4 26. Ng5 Re5 27. c4 Rd3 ({Don't play} 27... Rxg5 $6 28. Be7 $16) (27... Rde8 $5 {[%cal Re5g5]} 28. Bc1 Rc5 $14) 28. Bc1 {Threatens to win with c5.} h6 29. Nf3 Rc5 $1 30. Rb5 Rxb5 31. cxb5 Nd5 32. Bb2 Bxb2 33. Rxb2 $11 {[%mdl 4096] Endgame KRN-KRN} Ra3 34. Rd2 Nf6 35. Nd4 a6 36. Ne6 Ne4 37. Rb2 Rc3 (37... axb5 $11 38. Nxc7 Nc3) 38. Rb4 $14 {[#] bxa6 is the strong threat.} Nd6 39. bxa6 bxa6 40. Rd4 Ra3 41. Nxc7 Nb5 42. Nxb5 axb5 $16 {KR-KR} 43. Rd2 b4 44. Rb2 Kf7 45. Kh3 Ra4 46. f4 Ra3 47. Kh4 Kg6 48. g4 Kf6 49. f5 ({Resist} 49. Rxb4 Rxa2 50. Rb6+ Kg7 $18) (49. Rd2 $16) 49... Kg7 $2 {[%mdl 8192]} (49... h5 $11) 50. Re2 Kf7 51. Rd2 Kg7 {[#]} 52. Rd7+ $1 Kg8 53. Kh5 Rxa2 54. Kg6 {[%cal Rd7d8] White mates.} Ra8 55. Rb7 Kh8 56. Kxh6 {Precision: White = 68%, Black = 49%.} 1-0

[Event "Lake Sevan 2017"]
[Site "Yerevan"]
[Date "2017.07.22"]
[Round "9"]
[White "Harutyunian, Tigran K"]
[Black "Swiercz, Dariusz"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2517"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2017.??.??"]
[EventCountry "ARM"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,128,-16,-20,-18,-16,-19,0,-8,0,-3,4,10,5,-2,-19,-1,-7,0,0,0,0,0,0,-7,-2,-22,-14,-10,21,17,17,12,14,21,23,0,0,0,12,10,15,16,29,0,9,9,9,7,37,15,35,35,44,14,13,0,0,0,0,0,0,0,7,1,10,0,33,8,56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 4. g3 O-O 5. Bg2 Re8 6. e4 {A22: English Opening: 1...e5 2 Nc3 Nf6} (6. a3 Bf8 7. d3 c6 8. Bg5 h6 9. Bxf6 Qxf6 10. Nf3 d6 11. O-O Be6 12. Nd2 Nd7 13. Rab1 a5 14. b4 axb4 15. axb4 {0-1 (70) Dzagnidze,N (2570)-Zhao,X (2514) Beijing 2014}) 6... Nc6 7. Nge2 Nd4 8. Nxd4 exd4 9. Ne2 c6 {Hoping for ...d5.} (9... d5 $5 10. cxd5 Nxd5 $11) 10. a3 Bf8 11. d3 $146 ({Predecessor:} 11. O-O d5 12. cxd5 cxd5 13. Nxd4 dxe4 {0-1 (38) Papp,N (2146)-Toth Gergye,G (2207) Hungary 2002}) 11... d5 12. cxd5 cxd5 13. e5 $1 {[%cal Re5f6]} Rxe5 14. O-O Bg4 15. Nxd4 Rc8 16. Qb3 Bc5 17. Be3 Qe7 18. Nf3 Bxf3 19. Bxc5 Qxc5 20. Bxf3 b6 21. Qa4 Re7 22. Rfe1 h6 23. Kg2 (23. Qf4 $5 {[%cal Re1c1]} Rec7 24. a4 $11) 23... Qd6 24. Rac1 Rxc1 25. Rxc1 Qe5 26. Qc2 (26. Rc8+ {looks sharper.} Kh7 27. Qc2 g6 28. Qc3 Qxc3 29. Rxc3 h5 30. h4) 26... g6 27. Qc3 Qxc3 28. Rxc3 $11 {[%mdl 4096] Endgame KRB-KRN} Kg7 29. Rc8 Rd7 30. Kf1 h5 31. h4 Ng8 32. Ke2 Ne7 33. Re8 Rc7 34. Kd2 Kf6 35. Rd8 Ke6 36. Bg2 Ke5 37. Bf3 a5 38. Bg2 f5 39. Rf8 (39. Rb8 $14) 39... Rc8 {The position is equal.} 40. Rxc8 Nxc8 {KB-KN} 41. Ke3 d4+ 42. Ke2 Ne7 43. Bb7 Ng8 44. Bc6 Nf6 45. Bb5 Ng4 46. Be8 Kf6 47. Bc6 Ne5 48. Bd5 Ke7 49. Bb3 Nd7 50. Ba4 Ne5 51. Bb3 b5 52. Bd5 b4 53. axb4 axb4 54. Kd2 (54. f4 $5 {[%cal Rf4e5]} Nd7 55. Bc4 $11) 54... Nd7 55. Kc2 {With the idea Kb3.} Nc5 56. f4 Kf6 57. Bc4 Kg7 58. Bd5 Kf8 59. Bc4 Ke8 60. Bd5 Ke7 61. Bc4 Kf6 62. Bd5 Ke7 63. Bc4 Kf6 64. Bd5 Ke7 {Precision: White = 57%, Black = 64%.} 1/2-1/2

