[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.1"]
[White "Kuzubov, Yuriy"]
[Black "Afshari, Mohammadreza"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2650"]
[BlackElo "2167"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,36,22,19,18,-14,20,39,37,49,66,64,61,58,49,64,75,78,87,83,72,77,137,115,113,110,102]} 1. d4 $146 (1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O {½-½ (75) Ding,L (2813)-Radjabov,T (2757) Wijk aan Zee 2019}) ({Predecessor:} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. O-O O-O {½-½ (78) Kobo,O (2494)-Piorun,K (2634) St Petersburg 2018}) 1... d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b6 {[%cal Bb7b6,Bb6b5][%mdl 32] E05: Open Catalan: 5 Nf3 Be7} (7... a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Bb7 12. Rd1 Qc8 13. Ba5 c5 14. dxc5 Bxc5 15. Nbd2 Nbd7 16. Nb3 Ba7 17. Qf4 Nb6 18. Bxb6 Bxb6 19. Rac1 Qe8 20. Ne5 Bxg2 21. Kxg2 {½-½ (75) Ding,L (2813)-Radjabov,T (2757) Wijk aan Zee 2019}) 8. Nfd2 Nd5 9. Nxc4 Bb7 {White is slightly better.} 10. a3 c5 11. e4 ({Predecessor:} 11. dxc5 Bxc5 12. b4 Be7 13. Bb2 Nd7 14. Nbd2 Rc8 15. Qb3 {½-½ (78) Kobo,O (2494)-Piorun,K (2634) St Petersburg 2018}) 11... Nf6 12. d5 $1 {[%cal Rd5d6] d6! is the strong threat.} b5 $1 {[%cal Rb5c4]} 13. Ne3 a6 14. Nc3 Nbd7 15. dxe6 fxe6 {[#]} 16. e5 $1 {[%cal Re5f6][%mdl 512]} Nd5 ({Black should try} 16... Bxg2 17. exf6 Bxf1 18. fxe7 Qxe7) (16... Nxe5 17. Bxb7) 17. Nexd5 exd5 18. Rd1 ({But not} 18. Bxd5+ $6 Bxd5 19. Nxd5 Nxe5 $11) 18... Nb6 1-0

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.2"]
[White "Korevand, Sina"]
[Black "Ponkratov, Pavel"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2164"]
[BlackElo "2630"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,86,7,29,0,8,8,17,-60,-69,-90,-82,-94,-72,-85,-77,-100,-72,-68,-31,-63,-6,-61,-66,-54,0,-6,0,0,42,42,87,80,84,81,76,35,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-129,-146,-223,-223,-221,-221,-221,-221,-717,-733,-697,-694,-855,-773,-700,-673,-647,-628,-573,-540]} 1. d4 $146 ({Predecessor:} 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 {1-0 (54) Nakamura,H (2775)-Anand,V (2783) Stavanger 2013}) 1... Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. a3 Bc5 7. Nb3 Be7 (7... Bb6 {is more complex.} 8. Bf4 d5 9. c5 e5 10. Bg5 d4) 8. g3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} b6 9. Bg2 Ba6 10. Bxc6 (10. Nd2 $11) ({Predecessor:} 10. Nd2 Rc8 11. b4 Bb7 12. O-O O-O 13. Bb2 d6 14. Rc1 Qd7 15. Qa4 Rfd8 {1-0 (54) Nakamura,H (2775)-Anand,V (2783) Stavanger 2013}) 10... dxc6 $15 11. Qxd8+ Rxd8 12. Nd2 h5 13. h3 Nd7 14. b3 h4 15. g4 f5 16. Rg1 O-O ({Better is} 16... Rg8 $15) 17. Nf3 ({White should play} 17. Bb2 $11) 17... Nc5 18. Rb1 {[#]} Bf6 (18... Nd3+ $1 $15 {[%mdl 512]} 19. exd3 Rxd3 {[%mdl 64] Double Attack}) 19. Nd1 Ne4 {And now ...Bc3+ would win.} 20. Bb2 Bxb2 21. Nxb2 Nc5 {[#]} 22. b4 $1 {[%cal Rb4c5]} Ne4 23. Rc1 c5 24. Nd3 fxg4 25. Rxg4 {[%mdl 64] Double Attack} Rxf3 $1 26. exf3 {Threatens to win with Ne5.} Nf6 27. Ne5 Nxg4 28. fxg4 $11 {[%mdl 4096] Endgame KRB-KRN} Rd4 $1 {[%cal Rd4e4] ...Re4+ is the strong threat.} 29. f3 g5 $1 30. b5 Bb7 31. Rc3 Kg7 32. Re3 Kf6 33. Ke2 Ba8 34. Ke1 {[#]} (34. a4 $11 {keeps the balance.}) 34... Be4 $1 $17 35. Nd7+ (35. Nc6 $17 {was worth a try.} Bxc6 36. bxc6) 35... Rxd7 $19 36. Rxe4 {KR-KR} Rd3 $1 {[%csl LRa3,LRf3]} 37. Kf2 Rxa3 38. f4 $2 (38. Kg2) 38... Rxh3 {Black is clearly winning.} 39. fxg5+ Kxg5 40. Rxe6 Kxg4 41. Re4+ Kf5 42. Re7 Ra3 43. Kg2 Ra4 {Accuracy: White = 46%, Black = 59%.} 0-1

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.3"]
[White "Firouzja, Alireza"]
[Black "Abedi, Ali"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2618"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,109,0,0,-28,-46,-47,-45,-46,-44,170,170,166,152,137,37,52,58,44,0,0,-14,143,144,129,0,32,-129,0,0,134,133,150,114,104,99,100,103,102,102,102,102,102,105,109,103,119,112,113,106,101,125,154,141,126,86,86,87,87,77,94,101,93,75,75,54,54,59,75,8,143,143,722,691,3520,4018,3725,4012,6232,6221,5982,5982,4256,2354,29987,29988]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bd3 b5 11. Rhe1 Bb7 12. Qg3 b4 13. Nd5 exd5 14. exd5 {aiming for Nf5.} Kd8 $1 {B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7} 15. Qe3 (15. Nc6+ Bxc6 16. dxc6 Nc5 17. Bh4 Rg8 18. Bxh7 Rh8 19. Qxg7 Rxh7 20. Qxf6 Rxh4 21. Qxf7 Rh8 22. Re5 {½-½ (34) Wang,H (2733)-Dominguez Perez,L (2730) Sochi 2012}) 15... Re8 16. Nf5 Nxd5 {Black is slightly better.} 17. Qe2 $1 Ne5 $146 (17... N7b6 $1 $15) ({Predecessor:} 17... N7b6 18. Qh5 Bxg5 19. Qxg5+ Kd7 20. Qxg7 Rxe1 21. Rxe1 Rd8 22. Nh6 {0-1 (82) Cipolli,A (2506)-Cilloniz Razzeto,A (2399) Argentina 1998}) 18. Bxe7+ $18 Rxe7 19. fxe5 Rxe5 20. Qg4 (20. Qd2 $16 Rxe1 21. Qxe1 (21. Rxe1 g6 $16)) 20... Rxe1 $1 $14 21. Rxe1 g6 $1 {[%cal Rg6f5]} 22. Qh4+ Kd7 $1 23. Ng7 b3 $2 (23... Qc5 $11) 24. axb3 $16 Qa5 25. Rf1 ({Better is} 25. c4 $16 Nb4 26. Re7+ Kc8 27. Bb1) 25... Rf8 {And now ...Qa1+ would win.} 26. Qh3+ $2 (26. Kb1 $14 {keeps the upper hand.}) 26... Kc7 (26... f5 $17 {...Nf4! is the strong threat.} 27. Qxh7 Ne7) 27. Bc4 ({Don't blunder} 27. Ne6+ $2 fxe6 28. Qxh7+ Kc6 $19) 27... Nf4 (27... Nb6 $11 28. Kb1 Qe5 29. Ne6+ fxe6 30. Qxh7+ Kc6 31. Rxf8 Nxc4 32. bxc4 Qe1+ 33. Ka2 Qa5+ 34. Kb3 Qb6+ 35. Ka4 (35. Ka2 Qa5+ 36. Kb3 Qb6+ 37. Ka4 Kc5 $11) 35... Kc5) 28. Qe3 $36 {[%mdl 2048] Keeping Black busy.} Qe5 29. Qxe5 dxe5 30. g3 Rg8 31. gxf4 exf4 32. Rxf4 Rxg7 {[%mdl 4096] Endgame KRB-KRB} 33. Rf6 a5 34. Bxf7 g5 35. Kd2 g4 36. Bc4 h5 37. Rh6 $1 Rg5 38. Bd3 Bf3 39. Ke3 Bd1 40. Kd4 g3 41. hxg3 Rxg3 42. Be4 Rg4 43. Ke3 Rg5 44. Kd2 Bg4 45. Bd3 Bf5 46. Bxf5 Rxf5 $14 {KR-KR} 47. c4 ({White should play} 47. Kd3 $16) 47... Rg5 {[#]} (47... Kb7 $1 $11) 48. Kc2 $1 $16 Kb7 $2 {[%mdl 8192] [#]} (48... Rg2+ $16 49. Kb1 Rh2) 49. b4 $1 $18 {[%cal Bb3b4,Bb4a5,Ba5a6][%mdl 32]} Rg4 50. bxa5 Rxc4+ 51. Kb3 Rc5 52. Ka4 Rg5 53. b4 Rf5 54. Rh7+ Kb8 55. a6 {Accuracy: White = 55%, Black = 40%.} 1-0

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.4"]
[White "Poormosavi, Seyed Kian"]
[Black "Fedorchuk, Sergey A."]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2161"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,42,21,43,30,38,11,7,10,0,10,20,-51,-52,-65,-64,-88,-85,-85,-72,-67,-67,-91,-75,-82,0,0,0,-32,-27,-66,-57,-61,-67,-80,-85,-179,-178,-210,-185,-270,-268,-252,-264,-341,-386,-454,-449,-428,-382,-386,-313,-690,-697,-679,-661,-908,-886,-1110,-1061,-1092,-1032,-1485,-1509,-1455,-1388,-1788,-1756]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. Na3 a6 5. c4 b4 6. Nc2 c5 $146 {A05: Réti Opening: 1 Nf3 Nf6} (6... e6 7. O-O Be7 8. d4 Be4 9. a3 bxa3 10. b3 O-O 11. Bxa3 d6 12. Ne3 c6 13. Qd2 Nbd7 14. Nd1 Qb6 15. Nc3 Qxb3 16. Ne5 dxe5 17. Bxe7 exd4 18. Nxe4 Nxe4 19. Bxe4 Rfe8 20. Bxc6 Ra7 21. Qxd4 {1-0 (21) Nakamura,H (2793)-Oparin,G (2604) Zuerich 2017}) ({Predecessor:} 6... e6 7. O-O c5 8. d4 cxd4 {1-0 (44) Lie,E (2459)-Ostmoe,G (2464) Norway 2018}) 7. d4 cxd4 8. Ncxd4 e6 {The position is equal.} 9. O-O Be7 10. a3 bxa3 11. b4 (11. b3 $1 $11) ({Predecessor:} 11. b3 Qa5 12. Bxa3 Bxa3 13. Nc2 d5 14. Nxa3 O-O 15. Qb1 Nbd7 16. b4 Qc7 {1-0 (44) Lie,E (2459)-Ostmoe,G (2464) Norway 2018}) 11... Bxb4 $15 12. Qb3 a5 13. Bxa3 Na6 14. Nb5 {[#] Black must now prevent Bxb4.} O-O 15. Nd6 Bc6 16. Rfd1 Qb8 17. Qe3 Qa7 (17... Bxa3 $17 18. Rxa3 a4) 18. Qxa7 $11 Rxa7 19. Nd4 Bxg2 20. N4b5 Raa8 $1 {aiming for ...Bc6.} 21. Kxg2 Nc5 22. Bb2 Ra6 23. Bxf6 (23. Ra2 $17) 23... gxf6 $19 24. Rdb1 Rc6 25. f4 (25. Ra2 {is a better defense.}) 25... f5 26. Ra2 Rb8 27. Rc2 Kf8 28. g4 fxg4 29. f5 Rbb6 30. Rd1 Nb3 {[%cal Rc6d6]} 31. Nxf7 $2 (31. f6) 31... Kxf7 {Black is clearly winning.} 32. Rxd7+ Ke8 33. fxe6 {[#]} Rxb5 $1 34. cxb5 Rxc2 35. b6 Rxe2+ {[%mdl 64] Double Attack} 36. Kf1 Rxe6 37. b7 Rb6 38. Rc7 Bd6 {[%mdl 64] Double Attack. Accuracy: White = 33%, Black = 73%.} 0-1

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.5"]
[White "Ter-Sahakyan, Samvel"]
[Black "Pilvaieh, Ali"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2593"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,91,65,48,57,40,51,41,32,39,54,9,50,15,22,9,25,0,74,0,0,0,14,32,23,16,34,10,22,17,45,45,75,85,131,130,145,145,137,124,133,130,120,114,209,208,176,114,114,120,148,136,122,140,127,107,147,124,218,91,473,448,962,551,666,0,914,786,2125,2098,2039,2095,1362,1338,29989,29990,29990,29991]} 1. d4 ({Predecessor:} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 cxd4 7. exd4 Nxc3 8. bxc3 Be7 {1-0 (27) Injac,T (2178)-Zarkovic,M (2178) Kragujevac 2016}) 1... Nf6 $146 (1... d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. Nf3 c5 6. e3 cxd4 7. exd4 {½-½ (20) Maze,S (2571)-Delorme,A (2475) Marseille 2010}) 2. Nf3 e6 3. c4 c5 4. e3 cxd4 5. exd4 d5 6. Nc3 Be7 7. cxd5 Nxd5 8. Bd3 Nxc3 9. bxc3 Qc7 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} 10. O-O (10. Bd2 Nd7 11. O-O b6 12. Re1 Bb7 13. Ne5 Nxe5 14. Rxe5 Bf6 15. Re3 h5 16. Be4 Bxe4 17. Rxe4 Qc6 18. Qe2 Rd8 19. Re1 Rd5 20. h3 {½-½ (20) Maze,S (2571)-Delorme,A (2475) Marseille 2010}) 10... Nd7 11. Ng5 ({Predecessor:} 11. Qe2 b6 12. c4 Bb7 13. Bb2 O-O 14. Qe3 Bf6 15. Rad1 Rfe8 16. Rfe1 Nf8 17. Ne5 Bxe5 18. dxe5 {1-0 (27) Injac,T (2178)-Zarkovic,M (2178) Kragujevac 2016}) 11... Nf6 {White is slightly better.} 12. Qf3 O-O 13. Rb1 (13. Bf4 {is more complex.} Bd6 14. Bxd6 Qxd6 15. Rfe1 Rb8 16. Ne4) 13... h6 14. Ne4 (14. Bf4 {is interesting.} Qa5 15. Ne4 Nd5 16. Bxh6 f5 17. c4) 14... Nxe4 $1 15. Bxe4 Bd6 16. h3 f5 (16... Rb8 $11 {remains equal.}) 17. Bc2 (17. Bxb7 $16 Rb8 18. Bxc8 Rxb1 19. Bxe6+ {[%mdl 64] Double Attack} Kh8 20. Qd3 (20. Bxf5 Rxc1 21. Rxc1 g6 $11)) 17... Rb8 $11 18. Re1 $36 {[%mdl 2048] White fights for an advantage.} Bd7 19. Bb3 Rbe8 20. c4 {[%cal Bc3c4,Bc4c5,Bc5c6][%mdl 32]} b6 21. Bb2 Kh7 22. Rbd1 Bc8 23. Qc3 Rf6 24. c5 $1 {[%cal Rc5d6]} Be7 {[%cal Rb6c5]} 25. c6 Rg6 26. Qf3 Rd8 27. Re3 Bg5 28. Re2 e5 29. Rxe5 {d5 is the strong threat.} Qxc6 (29... Rxc6 $16 30. d5 Rc5) 30. d5 $18 Qd6 31. Re2 (31. Rxf5 $18 Bxf5 32. Qxf5) 31... Bf6 32. Bc1 $1 Bg5 33. Bxg5 Rxg5 34. Re6 $1 {[%cal Re6d6]} Qb4 {[#]} ({Avoid the trap} 34... Bxe6 $2 35. dxe6 Qf8 36. Rxd8 $18) 35. Rc6 $1 Bd7 36. Rc7 a5 {[#]} (36... Qd6 $16 {was necessary.} 37. Rxa7 Kh8) 37. d6 (37. Bc2 $1 $18 {and the rest is easy.} Kh8 38. d6) 37... a4 $2 {[%mdl 8192]} (37... Qe4 $16 {is more resistant.} 38. Qxe4 fxe4) 38. Bc2 {aiming for Rxd7!} Kh8 (38... Be6 $142 39. d7 Qf8 40. Bxa4 Rg6) 39. Qd5 Qh4 40. Qf3 $2 (40. Re1 $18 {And now Rxd7! would win.} Qb4 41. Re7) 40... Be8 $2 {[%mdl 8192]} (40... Qb4 $11) 41. Qc3 Bh5 42. Rc8 Rxc8 43. Qxc8+ {[%mdl 64] Double Attack} Kh7 44. Bxf5+ g6 45. Qb7+ Kh8 {[#]} 46. d7 $1 {[%mdl 512] Accuracy: White = 58%, Black = 39%.} 1-0

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.6"]
[White "Razaghi, Behrooz"]
[Black "Grigoryan, Karen H."]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2156"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,98,50,51,-4,0,-110,-103,-114,-110,-96,-108,-111,-110,-113,-129,-127,-95,-163,-142,-145,-124,-129,-113,-153,-136,-208,-207,-214,-216,-192,-170,-153,-78,-111,27,-105,0,5,110,0,0,0,157,84,83,84,84,78,81,75,76,62,81,81,81,81,226,214,233,198,225,200,199,210,184,69,134,133,156,146,146,142,207,81,80,31,96,31,39,8,8]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. O-O-O Bb7 {B06: Modern Defence} (6... Nd7 7. h4 h6 8. f4 h5 9. Nf3 Nb6 10. Bd3 Nh6 11. Rhf1 Ng4 12. Bg1 b4 13. Ne2 a5 14. Kb1 Ba6 15. Bxa6 Rxa6 {1-0 (34) Morozevich,A (2676)-Vavulin,M (2575) Moscow 2017}) 7. f3 Nd7 8. h4 h5 9. Nh3 Rc8 10. Ng5 c5 {[%cal Bc7c5,Bc5c4][%mdl 32] LiveBook: 35 Games} 11. Kb1 (11. e5 $14 cxd4 12. e6 fxe6 13. Bxd4 (13. Nxe6 $2 dxc3 14. Qe2 cxb2+ 15. Kb1 Qa5 $19)) 11... Qa5 12. Nd5 $146 (12. a3 $11) ({Predecessor:} 12. Qf2 cxd4 13. Bxd4 Bxd4 14. Qxd4 Ngf6 {0-1 (40) Rydstrom,T (2289)-Norberg,J (2303) Sweden 2018}) 12... Qxd2 $17 13. Rxd2 Bxd5 $1 14. exd5 c4 $1 15. c3 Ngf6 16. Rd1 Nxd5 17. Bd2 N7b6 18. f4 (18. Re1 $17) 18... a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 19. Be2 b4 20. Kc2 e6 21. Bf3 Rb8 22. Bc1 (22. g3 $17 {was worth a try.}) 22... a4 $19 23. a3 bxa3 24. bxa3 O-O 25. Bd2 Nf6 (25... Na8 $142 26. Be2 Rfc8) 26. Rb1 $17 d5 {[#]} ({Black should try} 26... Nbd5 $17 {Strongly threatening ...Rb3.} 27. Be2 Ng4 28. Bxg4 hxg4) 27. Rb4 (27. f5 $1 $11 {[%mdl 512]} exf5 28. Bf4) 27... Rfc8 (27... Nbd7 $17 28. Rxa4 Ra8 29. Rxa8 Rxa8) 28. Rhb1 $11 Nfd7 {[#]} (28... Nbd7 $11) 29. Bc1 (29. f5 $1 $16 {[%cal Rf5e6][%mdl 512]} e5 (29... exf5 30. Bf4) 30. dxe5 Bxe5 31. fxg6 fxg6 32. Be3) 29... Bf8 30. Rb5 Na8 $2 {[#]} (30... Rc6 $11) 31. Rxb8 (31. f5 $142 $1 {[%mdl 512]}) 31... Rxb8 $16 32. Rxb8 Nxb8 {[#]} 33. f5 $1 {[%cal Rf5e6][%mdl 512]} Nc7 (33... exf5 34. Bxd5) 34. fxe6 fxe6 35. g4 (35. Bf4 $5 {[%cal Rf4c7]} Nba6 36. Kb2 $16) 35... Bd6 36. gxh5 gxh5 37. Bxh5 Kg7 {[#]} (37... Nd7 $16) 38. Bg4 $1 $18 e5 39. Ne6+ Kf7 40. Nxc7 Bxc7 41. dxe5 Bxe5 {[%mdl 4096] Endgame KBB-KBN} 42. Bh5+ ({White should play} 42. h5 $18) 42... Ke7 (42... Ke6 $14) 43. Bg5+ $16 Kd6 44. Be8 Nd7 45. h5 Nc5 (45... Ke6 $16 {was called for.}) 46. Bg6 (46. Be3 $18 {and the rest is easy.}) 46... Ne6 47. Be3 d4 {[#]} 48. cxd4 (48. Bd2 $1 $16) 48... Nxd4+ $14 49. Bxd4 Bxd4 {Precision: White = 43%, Black = 44%.} 1/2-1/2

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.7"]
[White "Volkov, Sergey"]
[Black "Yeritsyan, Hayk"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2585"]
[BlackElo "2152"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,41,1,2,4,0,-3,20,0,5,-29,4,0,0,0,0,0,22,21,25,8,12,0,0,-10,0,0,2,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 Bf5 $146 (5... c6 6. e3 {½-½ (52) Navara,D (2741)-Harikrishna,P (2739) Linares 2018}) ({Predecessor:} 5... c6 6. e3 {0-1 (73) Vaganian,R (2570)-Giorgadze,T (2535) Minsk 1979}) 6. e3 c6 7. Nge2 Nd7 ({Predecessor:} 7... Nf6 8. Ng3 Bg6 9. h4 h5 10. Be2 Qb6 11. Qd2 {0-1 (73) Vaganian,R (2570)-Giorgadze,T (2535) Minsk 1979}) 8. Ng3 Bg6 9. Be2 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} Qb6 (9... Ngf6 10. h4 h5 11. Bg5 Ne4 12. Bxe7 Qxe7 13. Nxh5 Bxh5 14. Bxh5 g6 15. Nxe4 Rxh5 16. Ng3 Rxh4 17. Rxh4 Qxh4 {½-½ (52) Navara,D (2741)-Harikrishna,P (2739) Linares 2018}) 10. Qd2 Ngf6 11. h4 h5 12. Bf3 Qa6 13. Rd1 O-O ({Predecessor:} 13... Nb6 14. Bg5 Rd8 15. b3 Nbd7 {0-1 (73) Vaganian,R (2570)-Giorgadze,T (2535) Minsk 1979}) 14. Bg5 Rfe8 15. Nge2 Ne4 16. Bxe4 $1 Bxe4 17. Bxe7 Rxe7 {The position is equal.} 18. Nf4 Nf6 19. Qe2 Qxe2+ 20. Kxe2 a5 21. Rc1 {Accuracy: White = 50%, Black = 60%.} 1/2-1/2

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.8"]
[White "Roozbayan, Reza"]
[Black "Ghaem Maghami, Ehsan"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2151"]
[BlackElo "2540"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,62,50,-33,0,0,0,0,0,0,0,-16,-12,-34,-37,-93,-87,-83,-90,-75,-66,-85,-65,-71,-81,-195,-176,-160,-158,-240,-235,-234,-234,-233,-233,-307,-282,-393,-402,-799,-454,-559,-520,-515,-511]} 1. Nf3 ({Predecessor:} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 b5 7. Bb3 a6 8. Nf3 c5 9. O-O {0-1 (51) Ovezov,A (2360)-Baumegger,S (2360) Elista 1998}) 1... d5 $146 (1... Nf6 2. d4 e6 3. c4 {½-½ (30) Kempinski,R (2575)-Czarnota,P (2546) Poland 2018}) 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Bb3 Bb7 (7... c5 8. O-O {½-½ (30) Kempinski,R (2575)-Czarnota,P (2546) Poland 2018}) 8. O-O c5 9. Qe2 Nbd7 10. Rd1 Qc7 11. d5 ({White should play} 11. e4 $1 $14) 11... exd5 {D29: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nbd7} (11... c4 $5 {[%cal Rc4b3]} 12. dxe6 fxe6 $15) 12. Nxd5 Nxd5 13. Bxd5 Bxd5 {The position is equal.} 14. Rxd5 Be7 15. e4 O-O 16. g3 (16. Bf4 Qxf4 17. Rxd7 Rfe8 18. a4 Bf8 19. e5 {½-½ (30) Kempinski,R (2575)-Czarnota,P (2546) Poland 2018}) 16... Rfe8 17. Bf4 {[#]} (17. Rd1 $15) 17... Qb7 $1 $17 18. Rad1 ({Predecessor:} 18. Re1 Bf8 19. Rd2 {0-1 (51) Ovezov,A (2360)-Baumegger,S (2360) Elista 1998}) 18... Nf6 19. Re5 h6 20. Nh4 Bf8 21. f3 Red8 22. Rf5 (22. Nf5 $17) 22... Qc6 23. Be5 Be7 24. Ng2 (24. Bxf6 $17 {was necessary.} Bxf6 25. Kh1) 24... Rxd1+ $19 25. Qxd1 Rd8 26. Qe2 {[#]} g6 $1 {[%cal Rg6f5]} 27. Rf4 Qe6 28. Bxf6 Bxf6 29. b3 (29. Rxf6 $142 Qxf6 30. Ne3) 29... Bg5 {Black is clearly winning.} 30. e5 Bxf4 31. Nxf4 Qd7 {Accuracy: White = 14%, Black = 84%.} 0-1

[Event "27th Fajr Cup Masters 2019"]
[Site "Tehran"]
[Date "2019.02.05"]
[Round "1.9"]
[White "Mosadeghpour, Masoud"]
[Black "Nalbandyan, Vahan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2531"]
[BlackElo "2149"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.02.05"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,109,45,44,27,39,33,37,0,0,0,27,0,37,41,36,48,60,62,75,78,91,96,95,67,73,71,70,18,39,44,48,39,103,96,86,82,78,75,62,35,250,288,298,296,296,293,281,288,288,287,289,289,218,216,395,369,571,542,717,720,699,696,749,724,920,883,1123,1218,29968,29969,29972,29973,29973,29974,29973,29976,29973,29973,29978,29976,29976,29977,29977,29978,29978,29979,29979,29980,29980,29980,29983,29984,29990,29990]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 (3... e5 4. Nf3 {½-½ (22) Areshchenko,A (2677)-Baklan,V (2594) Chartres 2017}) 4. Nf3 e5 5. Bc4 Be7 6. O-O (6. a4 O-O {½-½ (22) Areshchenko,A (2677)-Baklan,V (2594) Chartres 2017}) 6... O-O $146 ({Predecessor:} 6... h6 7. h3 O-O 8. a4 c6 9. Ba2 Qc7 {1-0 (19) Rokos,F (1882)-Nespor,I (1755) Litomysl 2018}) 7. a4 c6 8. h3 (8. Re1 Qc7 {½-½ (22) Areshchenko,A (2677)-Baklan,V (2594) Chartres 2017}) 8... Qc7 9. Re1 h6 10. Ba2 {C41: Philidor Defence} Rd8 (10... Re8 11. Be3 Nf8 12. Qd3 Be6 13. d5 cxd5 14. Nxd5 Bxd5 15. Bxd5 Nxd5 16. Qxd5 Qc6 17. c4 Rec8 18. Rec1 Nd7 19. Nd2 Bg5 20. Bxg5 hxg5 21. Qd3 a5 22. Qg3 {½-½ (22) Areshchenko,A (2677)-Baklan,V (2594) Chartres 2017}) 11. Be3 ({Predecessor:} 11. Nh4 Nf8 {1-0 (19) Rokos,F (1882)-Nespor,I (1755) Litomysl 2018}) 11... Nf8 12. Nh4 {White is slightly better.} Ng4 ({Predecessor:} 12... Nxe4 13. Nxe4 Bxh4 14. Qh5 Ng6 15. Qxg6 d5 16. Qh5 dxe4 17. Qxh4 exd4 18. Bf4 Qb6 19. a5 {1-0 (19) Rokos,F (1882)-Nespor,I (1755) Litomysl 2018}) 13. hxg4 Bxh4 14. g3 Bf6 {White should prevent ...exd4.} 15. d5 $1 $36 {[%mdl 2048] White is pushing.} Qd7 16. f3 c5 17. Bc4 a6 18. a5 Re8 19. Qd2 Bd8 20. Na4 h5 21. gxh5 Qh3 22. Qf2 (22. Qh2 $14) 22... Bxa5 23. b4 Bxb4 24. Reb1 {aiming for Nb6.} Ba5 ({Black should play} 24... b5 $14) 25. Nxc5 $16 Bc3 26. Ra3 Bd4 27. Nxb7 Rb8 28. Bxa6 Nd7 $2 (28... Qxh5 $14 29. Bxd4 exd4) 29. g4 $18 (29. Bxd4 $6 exd4 30. Rab3 Bxb7 $16) 29... Nc5 {Hoping for ...Bxe3.} 30. Bf1 (30. Bxd4 Nxa6 31. Bb6 (31. Rxa6 exd4 32. Rab6 Bxb7 $16) 31... Bxb7 $16) 30... Nxe4 31. Bxh3 ({Not} 31. Bxd4 Nxf2 32. Bxf2 Qxf1+ $1 {[%mdl 512]} 33. Rxf1 Rxb7 $16) 31... Nxf2 32. Kxf2 ({Don't do} 32. Bxf2 $6 Rxb7 33. Rxb7 Bxb7 $18) 32... Rxb7 33. Rxb7 Bxb7 {[#]} 34. c4 $1 Bxe3+ 35. Kxe3 {[%mdl 4096] Endgame KRB-KRB} f6 $2 (35... Bc8 36. Ra5 Kf8) 36. Ra7 Rb8 (36... Bc8 {was called for.} 37. Bf1 e4) 37. Bf1 Kh7 38. Bd3+ Kh6 39. Ra5 Rc8 40. Rb5 Ba6 41. Rb6 Bxc4 42. Rc6 Rxc6 43. dxc6 {KB-KB. White mates.} Be6 44. c7 Bc8 45. Bf5 Bb7 46. c8=Q Bxc8 47. Bxc8 {KB-KP} d5 48. Be6 d4+ 49. Ke4 Kg5 50. Bf5 Kh4 51. f4 d3 52. Kf3 d2 {[#]} 53. Bc2 $1 {[%cal Rc2d1]} f5 54. gxf5 exf4 55. f6 {Accuracy: White = 73%, Black = 38%.} 1-0

