[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.1"]
[White "Mousavi, Seyed Khalil"]
[Black "Mosadeghpour, Masoud"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2501"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "19"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,19,22,14,34,31,27,13,20,7,27,0]} 1. Nf3 Nf6 2. d4 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 Nc6 6. c3 g6 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (6... Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 Rc8 10. Nbd2 g6 11. Bd3 Bg7 12. O-O O-O 13. Ne5 Nc6 14. Nxc6 Bxc6 {0-1 (66) Eljanov,P (2680)-Saric,I (2690) chess.com INT 2019}) 7. Be2 Bg7 8. Ne5 O-O 9. O-O Nd7 10. Nxc6 $146 ({Predecessor:} 10. Nxd7 Bxd7 11. Qb3 Bc8 12. Nd2 b6 13. Rfe1 Bb7 14. a4 Na5 15. Qa3 Nc6 16. Qb3 Na5 17. Qa3 Nc6 {½-½ (17) Donchenko,A (2320)-Vorobiov,E (2572) Schwaebisch Gmuend 2016}) 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.2"]
[White "Ghaem Maghami, Ehsan"]
[Black "Pourramezanali, Amirreza"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2544"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,18,-2,12,-16,-18]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. e3 Be7 5. Nc3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O a6 9. Bd3 {D37: Queen's Gambit Declined: 5 Bf4} Nbd7 {Predecessor:} 10. a4 $146 b6 11. b3 Bb7 12. Bb2 cxd4 13. exd4 Nd5 14. Nxd5 Bxd5 15. Bc4 Nf6 16. Qe2 Qc8 {½-½ (134) Mamedov,R (2586)-Tomashevsky,E (2646) Khanty-Mansiysk 2007} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.3"]
[White "Maghsoodloo, Parham"]
[Black "Rastbod, Ali"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2664"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,66,-2,-3,-6,0,0,29,10,13,-11,0,-17,0,-8,0,0,0,0,17,8,16,17,46,41,51,37,106,88,112,106,106,111,84,122,173,165,263,263,256,256,252,255,420,417,417,415,404,373,424]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Bd3 Re8 10. O-O Nbd7 11. f3 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} Nf8 12. Bc2 Ne6 13. Nxe6 {White has an edge.} Bxe6 14. Qd3 g6 15. Kh1 $146 ({Predecessor:} 15. e4 c5 16. Ba4 dxe4 17. fxe4 Qxd4+ 18. Qxd4 cxd4 {0-1 (36) Swayams,M (2473)-Zhigalko,S (2671) Rome 2016}) 15... c5 16. Ba4 Bd7 17. dxc5 Bxc5 18. Rd1 Rc8 19. Bxd7 Qxd7 20. e4 Qe6 {[%cal Rd5e4]} 21. Nxd5 Nxd5 22. Qxd5 Qf6 (22... Qxd5 $14 23. Rxd5 f5) 23. Rb1 Red8 24. Bg5 {[%mdl 64] [#] Skewer} Rxd5 25. Bxf6 Rxd1+ 26. Rxd1 $16 {[%mdl 4096] Endgame KRB-KRB} Bf8 (26... Kf8 $16 27. Rd7 Be7 28. Bxe7+ Ke8 29. Rd8+ Rxd8 30. Bxd8 Kxd8) 27. h4 $18 Bg7 (27... a5 $142 28. Rd7 b6) 28. Bxg7 Kxg7 {KR-KR} 29. Rd7 Rb8 30. e5 Kf8 $2 (30... Kg8 31. Kh2 a6) 31. e6 {White is winning.} fxe6 32. Rxh7 {[#] Hoping for Rh8+.} Kg8 33. Re7 Ra8 {Accuracy: White = 79%, Black = 25%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.4"]
[White "Daghli, Arash"]
[Black "Bogdanovich, Stanislav"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2387"]
[BlackElo "2616"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,18,22,20,29,14,20,26,27,16,44,40,49,43,34,21,16,13,16,-1,25,0,40,46,41,36,33,34,41,48,44,45,43,43,30,33,67,61,127,64,114,102,185,195,195,190,204,188,198,188,188,232,314,227,211,170,239,0,207,210,235,235,293,287,396,377,585,321,451,443,380,258,259,259,614,587,677,661]} 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Qc2 Bb4 5. Bd2 (5. e3 b6 6. Bd3 Bb7 7. f3 Nh5 8. Nge2 Qh4+ 9. g3 Bxc3+ 10. bxc3 Qe7 11. O-O Nf6 12. c5 O-O 13. e4 fxe4 14. fxe4 Nc6 15. Ba3 {½-½ (58) Saduakassova,D (2472)-L'Ami,E (2643) Wijk aan Zee 2019}) 5... b6 6. e3 {A85: Dutch Defence: 2 c4 Nf6 3 Nc3} Bb7 7. f3 O-O 8. Bd3 {The position is equal.} c5 9. a3 Ba5 10. Nge2 Nc6 11. O-O Rc8 12. Rab1 $146 ({Predecessor:} 12. Rad1 Qe7 13. Qb1 g6 14. Be1 d6 {1-0 (34) Roeschlau,B (2310)-Schaefer,N Germany 1989}) 12... Qe7 13. Qa4 Kh8 14. Rfd1 e5 {Threatens to win with ...e4.} 15. Ng3 (15. Bxf5 $2 exd4 16. e4 dxc3 $19) 15... cxd4 16. Nxf5 Qe6 17. exd4 Nxd4 18. Nxd4 exd4 19. Re1 Qf7 20. b4 $36 {[%mdl 2048] White has the initiative.} dxc3 21. Bxc3 {[#]} Nd5 $1 {[%mdl 512]} 22. Qc2 (22. cxd5 Rxc3) 22... Nf4 23. bxa5 Rc5 {[#]} (23... Ba6 $14) 24. Rb5 ({Much worse is} 24. axb6 $6 Rg5 $11) (24. h4 $1 $16) 24... Rxb5 25. cxb5 Qd5 (25... Bxf3 $16 26. Bf1 (26. Bxh7 $2 Bxg2 27. Qf5 Bh3 $19) 26... Bb7) 26. Bf1 $18 ({But not} 26. Bxh7 $6 Nh3+ 27. Kh1 Qxf3 $16) 26... Qc5+ 27. Kh1 Nd5 {[#]} 28. Rc1 $1 Rc8 {[%cal Rd5c3]} 29. Qe4 Nxc3 30. Qxb7 {[%mdl 64] Double Attack} Rf8 {With the idea ...Qe3.} 31. Qxd7 {aiming for Re1.} Qe3 32. Ra1 Qe5 (32... bxa5 $142 33. Bd3 Qe5) 33. Rc1 Qe3 34. Qd6 {[%cal Rd6f8]} Re8 35. Qc6 Na4 36. axb6 axb6 37. h3 Rg8 (37... Rb8 {was necessary.} 38. Qc8+ Qe8 39. Qxe8+ Rxe8) 38. Rd1 Nb2 (38... h6 $142 39. Bd3 Nb2) 39. Rb1 Na4 40. Qc1 Qe5 41. Qc4 Nc3 $2 (41... Nc5 42. Rd1 Re8) 42. f4 Qe4 43. Rc1 {Accuracy: White = 73%, Black = 34%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.5"]
[White "Veisi, Bardia"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D28"]
[WhiteElo "2316"]
[BlackElo "2595"]
[Annotator "RC"]
[PlyCount "117"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:24]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:06]} dxc4 {[%emt 0:00:22]} 3. e3 {[%emt 0:03:54]} Nf6 {[%emt 0:00:29]} 4. Bxc4 {[%emt 0:00:09]} e6 {[%emt 0:00:09]} 5. Nf3 {[%emt 0:00:05]} a6 {[%emt 0:00:48]} 6. O-O {[%emt 0:00:34]} c5 {[%emt 0:00:17]} 7. Qe2 {[%emt 0:08:24]} Nc6 {[%emt 0:00:40]} 8. a4 {[%emt 0:06:19]} cxd4 {[%emt 0:04:06]} 9. Rd1 {[%emt 0:00:08]} Nb4 {[%emt 0:10:50]} 10. exd4 {[%emt 0:02:11]} Be7 {[%emt 0:02:46]} 11. Nc3 {[%emt 0:01:02]} O-O {[%emt 0:00:33]} 12. Ne5 {[%emt 0:00:49]} Nbd5 {[%emt 0:09:23]} 13. Rd3 {[%emt 0:08:26]} Bd7 {[%emt 0:02:04]} 14. Rh3 {[%emt 0:05:01]} Rc8 {[%emt 0:03:12]} 15. Bg5 {[%emt 0:04:59]} Bc6 {[%emt 0:01:57]} 16. Re1 {[%emt 0:26:04]} Rc7 {[%emt 0:04:48]} 17. Bb3 {[%emt 0:05:14]} Nb4 {[%emt 0:06:11]} 18. Qd2 {[%emt 0:16:17]} Bd5 {[%emt 0:01:57]} 19. Bd1 {[%emt 0:00:54]} Ne8 {[%emt 0:04:30]} 20. Bf4 {[%emt 0:02:20]} Nd6 {[%emt 0:00:48]} 21. Qe2 {[%emt 0:00:55]} g6 {[%emt 0:01:13]} 22. Ng4 {[%emt 0:00:11]} Bc4 {[%emt 0:02:50]} 23. Qd2 {[%emt 0:01:19]} Nd5 {[%emt 0:06:48]} 24. Nxd5 {[%emt 0:04:10]} Bxd5 {[%emt 0:00:05]} 25. Be5 {[%emt 0:00:07]} Bg5 {[%emt 0:01:31]} 26. f4 {[%emt 0:00:47]} f5 {[%emt 0:00:06]} 27. fxg5 {[%emt 0:00:16]} fxg4 {[%emt 0:00:05]} 28. Bxd6 {[%emt 0:01:06]} gxh3 {[%emt 0:02:15]} 29. Bxc7 {[%emt 0:00:07]} Qxc7 {[%emt 0:00:09]} 30. gxh3 {[%emt 0:00:15]} Qf4 {[%emt 0:06:33]} 31. Qxf4 {[%emt 0:00:10]} Rxf4 {[%emt 0:00:05]} 32. Bg4 {[%emt 0:00:06]} Rxd4 {[%emt 0:00:12]} 33. Bxe6+ {[%emt 0:00:07]} Kf8 {[%emt 0:00:17]} 34. Bxd5 {[%emt 0:01:55]} Rxd5 {[%emt 0:00:06]} 35. Re4 {[%emt 0:00:16]} Rxg5+ {[%emt 0:00:27]} 36. Kf2 {[%emt 0:00:10]} Kf7 {[%emt 0:00:32]} 37. Rc4 {[%emt 0:00:50]} Re5 {[%emt 0:00:17]} 38. Rc7+ {[%emt 0:00:41]} Re7 {[%emt 0:00:06]} 39. Rxe7+ {[%emt 0:00:18]} Kxe7 {[%emt 0:00:05]} 40. Ke3 {[%emt 0:00:06]} Kf6 {[%emt 0:03:23]} 41. Kd4 {[%emt 0:00:35]} Kg5 {[%emt 0:02:20]} 42. Kc5 {[%emt 0:00:08]} Kh4 {[%emt 0:00:07]} 43. Kb6 {[%emt 0:00:04]} Kxh3 {[%emt 0:00:05]} 44. Kxb7 {[%emt 0:00:07]} a5 {[%emt 0:03:03]} 45. Ka6 {[%emt 0:00:08]} Kxh2 {[%emt 0:00:06]} 46. Kxa5 {[%emt 0:00:05]} g5 {[%emt 0:00:05]} 47. b4 {[%emt 0:00:06]} g4 {[%emt 0:00:04]} 48. b5 {[%emt 0:00:03]} g3 {[%emt 0:00:05]} 49. b6 {[%emt 0:00:05]} g2 {[%emt 0:00:04]} 50. b7 {[%emt 0:00:06]} g1=Q {[%emt 0:00:07]} 51. b8=Q+ {[%emt 0:00:09]} Kh3 {[%emt 0:00:12]} 52. Qb3+ {[%emt 0:00:28]} Kh4 {[%emt 0:00:26]} 53. Ka6 {[%emt 0:01:16]} Qg6+ {[%emt 0:01:18]} 54. Kb5 {[%emt 0:03:08]} Qe8+ {[%emt 0:00:28]} 55. Kb4 {[%emt 0:00:28]} Qe7+ {[%emt 0:00:27]} 56. Kb5 {[%emt 0:00:46]} Qe8+ {[%emt 0:00:18]} 57. Kb4 {[%emt 0:00:30]} Qe7+ {[%emt 0:00:05]} 58. Kb5 {[%emt 0:00:07]} Qe8+ {[%emt 0:00:07]} 59. Kb4 {[%emt 0:00:05]} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.6"]
[White "Ghesmati, Aryan"]
[Black "Meshkovs, Nikita"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2005"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,28,26,29,21,22,1,0,-6,72,75,92,0,0,0,16,17,15,9,10,23,16,-69,-54,-165,-172,-155,-141,-295,-279,-265,-266,-546,-529,-611,-535,-935,-585,-556,-498,-497,-495,-534,-531,-509,-488,-494,-502,-529,-528,-533,-533,-533,-532,-527,-517]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. O-O g6 6. c3 Bg7 7. d4 exd4 8. cxd4 b5 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} 9. Bb3 O-O (9... d6 10. d5 Na5 11. Bc2 c5 12. Nc3 O-O 13. h3 {1-0 (86) Nakamura,H (2761)-Nepomniachtchi,I (2773) Abidjan 2019}) 10. a4 {aiming for axb5.} d5 {The position is equal.} 11. exd5 bxa4 $146 (11... Na5 $1 $11) ({Predecessor:} 11... Na5 12. axb5 Nxb3 13. Qxb3 Bb7 14. Nc3 axb5 15. Bg5 Bxd5 {½-½ (15) Tauscher,K (2411)-Dickl,E (2319) Remote email 2013}) 12. Rxa4 $16 Nxd5 {[#]} 13. Bxd5 (13. Bg5 $1 $16 {[%cal Rg5d8]} Qd6 14. Nc3) 13... Qxd5 $11 14. Nc3 Qd8 15. h3 Rb8 16. Bf4 Rxb2 17. Rc4 Bb7 18. d5 (18. Qa4 $11) 18... Rb4 $15 19. Rc5 (19. Bg5 $1 $15 f6 20. Rxb4 Nxb4 21. Be3) 19... Rxf4 $19 20. dxc6 Qe7 $36 {[%mdl 2048] [#] Black is on the roll.} 21. Na4 $2 (21. Re5 $1 $17 {[%mdl 512] was necessary.} Bxe5 22. Nd5) 21... Ba8 22. Rc1 Qa3 23. Nb6 $2 (23. Nc5) 23... cxb6 {Black is clearly winning.} 24. c7 Bb7 25. Qd8 Bf6 26. Qb8 Bc8 {Threatens to win with ...Rxf3.} 27. Qxb6 Qb4 28. Qc6 Kg7 29. Rfd1 Qb5 30. Qd6 Rc4 31. Rxc4 Qxc4 32. Ne5 Bxe5 33. Qxe5+ f6 34. Qg3 Rf7 {Accuracy: White = 34%, Black = 77%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.7"]
[White "Kasparov, Sergey"]
[Black "Pour Agha Bala, Amirreza"]
[Result "1/2-1/2"]
[ECO "B54"]
[WhiteElo "2464"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,102,19,12,19,24,25,9,22,8,8,5,13,11,24,8,30,31,47,50,43,57,77,66,91,86,104,91,102,100,102,73,89,81,67,66,80,78,74,68,104,98,120,85,80,56,56,61,52,60,84,86,80,46,64,45,45,56,56,45,52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,88,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be6 7. c4 a5 {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3} ({Much worse is} 7... Nxe4 $6 8. fxe4 Qh4+ 9. Kd2 $16) (7... Nbd7 8. Be3 b5 9. Na3 a6 10. cxb5 d5 11. bxa6 dxe4 12. Bb5 Nd5 13. Bc5 Nf4 14. O-O Bxb3 15. Qxd7+ Qxd7 16. Bxf8 Rxf8 17. axb3 Rxa6 18. Bxd7+ Kxd7 {½-½ (27) Vitiugov,N (2721)-Duda,J (2710) Czech Republic 2018}) 8. Be3 Nc6 9. Nc3 Be7 10. Nd5 {White wants to play Bb6.} Nd7 11. Nxe7 Qxe7 12. Be2 O-O 13. O-O Nc5 14. Nd2 Rad8 $146 ({Predecessor:} 14... f5 15. exf5 Bxf5 {0-1 (25) Petrov,I (2167)-Woznica,M (2300) ICCF email 2012}) 15. Nb1 f5 16. exf5 Rxf5 17. Nc3 Qh4 18. Qe1 Qf6 19. Qd2 Qg6 20. Rad1 Rf7 21. Kh1 h6 22. b3 Rfd7 23. Nd5 Kh8 24. Qb2 Bxd5 25. Rxd5 Ne6 26. Bd3 Qf6 27. Be4 Nc7 28. Rd2 d5 29. cxd5 Nxd5 30. Bg1 Nf4 31. Rxd7 Rxd7 32. Be3 Qd6 33. Bxc6 bxc6 34. Bxf4 exf4 $14 {[%mdl 4096] Endgame KQR-KQR} 35. h3 Qd2 36. Qxd2 ({Better is} 36. Qb1 $14) 36... Rxd2 {KR-KR} 37. Rc1 Rxa2 38. Rxc6 Rb2 39. Rc5 Kh7 40. Rxa5 Rxb3 41. h4 Kg6 42. h5+ Kf6 43. Kh2 Rb1 44. Ra6+ Kf5 45. Ra5+ Kf6 46. Kh3 Rh1+ 47. Kg4 Rh2 $1 {The position is equal.} 48. Ra6+ Kf7 49. Ra7+ Kf6 50. Ra6+ Kf7 51. Ra7+ Kf6 {Accuracy: White = 80%, Black = 64%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.8"]
[White "Darini, Pouria"]
[Black "Hosseinipour, Mehdi"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2427"]
[BlackElo "2276"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,129,14,18,11,18,19,21,24,32,20,16,-2,14,0,16,24,16,0,2,10,6,0,9,12,33,11,11,0,0,0,0,-10,-6,-45,-41,-45,-42,-39,-33,-38,-16,-32,-19,-47,-39,-57,-51,-52,0,-14,0,0,9,8,38,42,45,57,41,0,0,0,0,0,0,0,28,34,58,58,63,18,37,35,43,26,30,30,76,87,80,22,22,27,27,16,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,23,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 Nf6 5. Bg2 Qb6 6. Nb3 {A20: English Opening: 1...e5} a5 7. d3 a4 8. N3d2 $1 d5 (8... Bc5 9. O-O e3 10. fxe3 Bxe3+ 11. Kh1 Ng4 12. Ne4 O-O 13. Nbc3 {½-½ (36) So,W (2776)-Caruana,F (2818) Saint Louis 2019}) 9. cxd5 exd3 10. Nc3 (10. O-O {looks sharper.} cxd5 11. exd3 Be7 12. Nc3 Qa5 13. Re1) 10... cxd5 11. exd3 Qa5 12. O-O Be7 13. Nf3 $146 ({Predecessor:} 13. a3) 13... Nc6 14. a3 O-O 15. Be3 Bg4 16. Ne2 Qb5 17. Rb1 Rfe8 18. h3 Bf5 $36 {[%mdl 2048] Black has some pressure.} 19. Nf4 Bd6 20. Nh4 Bd7 21. Nh5 Be7 22. b3 d4 23. Nxf6+ Bxf6 24. bxa4 Qxa4 25. Bf4 {Strongly threatening Qxa4.} Qa6 {aiming for ...g5.} 26. Qh5 g6 27. Qb5 Qxb5 28. Rxb5 Bc8 (28... Nd8 $15 29. Rb6 Re6 30. Rxe6 Nxe6) 29. Bd6 Rd8 30. Bc5 Ne5 31. Rd1 Ra4 32. Nf3 Nc6 33. Nd2 Be7 34. Nb3 (34. Bxe7 {is interesting.} Nxe7 35. Ra1 Nc6 36. g4 Kg7 37. f4) 34... Bxc5 35. Nxc5 Rxa3 36. Nxb7 Bxb7 37. Rxb7 Rc3 38. Re1 Rd6 39. Rb6 Kg7 40. Ra1 {Threatens to win with Raa6.} Re6 41. Bd5 Rd6 $1 {[%cal Rd6d5]} 42. Bc4 Rf6 43. f4 {Black must now prevent Raa6.} Ne7 {[#]} 44. Rxf6 $1 Kxf6 $16 {[%mdl 4096] Endgame [#] KRB-KRN} 45. Ra6+ (45. Ra7 $1 $16 {Hoping for g4.} Rc1+ 46. Kf2) 45... Kg7 $1 $11 46. Ra7 Kf8 47. Rd7 Ke8 48. Rb7 Nf5 49. Bxf7+ Kd8 50. Bc4 Nxg3 51. Kf2 Ne4+ 52. Ke2 Nd6 53. Rb4 Ke7 54. Bg8 Rc2+ 55. Kf3 Rh2 56. Kg3 Rd2 57. Bxh7 Nf5+ 58. Kg4 Rg2+ 59. Kf3 Rg3+ 60. Ke4 Re3+ {The position is equal.} 61. Kd5 Kf7 62. Rb6 Ne7+ 63. Kxd4 Rxh3 64. Bxg6+ $1 Nxg6 65. Ke4 {Accuracy: White = 56%, Black = 72%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.9"]
[White "Tahbaz, Arash"]
[Black "Hamidi, Amir Mohammad"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2476"]
[BlackElo "2254"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,87,12,14,14,20,17,18,54,42,68,64,63,53,78,59,80,57,71,70,64,56,98,39,37,39,33,43,38,21,23,20,29,24,38,0,0,0,0,0,0,0,0,0,66,68,58,58,59,65,59,59,88,79,83,97,128,145,112,75,85,89,239,139,135,140,138,126,293,289]} 1. e4 c5 2. Nc3 a6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 h5 10. Nd5 Nxd5 11. exd5 Bf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 12. Be2 Bh4+ (12... Nd7 13. O-O Bg6 14. a4 a5 15. Bd3 Bxd3 16. Qxd3 O-O 17. Nd2 f5 18. Qb5 Qc7 19. c3 {0-1 (45) Vidit,S (2718)-Andriasian,Z (2591) chess.com INT 2018}) 13. g3 Bf6 {The position is equal.} 14. Bd3 Bxd3 15. Qxd3 Nd7 {[%cal Bb8d7,Bd7c5,Bc5a4][%mdl 32]} 16. O-O-O Qc7 17. Kb1 Rc8 18. Nd2 b5 19. h4 $146 ({Predecessor:} 19. h3) 19... Be7 20. g4 Nc5 21. Qe2 ({White should try} 21. Bxc5 $1 $16 Qxc5 22. c3) 21... Na4 $1 $14 22. Ne4 hxg4 23. fxg4 Qc4 $1 {[%cal Rc4e2]} 24. Qd3 Qb4 {[%csl Ga4][%cal Rb4b2]} 25. Bc1 $1 Nc5 26. Nxc5 Rxc5 27. Qf5 g6 28. Qf3 $1 Qc4 29. Qg2 {aiming for b3.} Rxh4 30. Rxh4 Bxh4 31. g5 Bg3 (31... Ke7 $11) 32. b3 $1 {[%cal Rb3c4]} Qh4 $1 33. Rh1 Qg4 34. Rg1 $1 Qf5 $1 35. Qxg3 Qxc2+ 36. Ka1 Rxd5 37. Qf3 $36 {[%mdl 2048] Black is under strong pressure.} Qd3 {[#]} 38. Qh1 $1 Kd7 39. Bb2 {Hoping for Rf1.} e4 40. Bf6 {Black must now prevent Qh8.} e3 {[#]} (40... Rf5 $16) 41. Qh8 (41. Re1 $1 $18) 41... Rc5 $16 42. Qh3+ Kc7 {Threatens to win with ...Qd2.} 43. Re1 Kb7 $2 (43... Rxg5 $16 44. Qh7 (44. Rxe3 {is a self mate.} Qd1+ 45. Kb2 Qd2+ 46. Ka3 Qc1+ 47. Bb2 b4+ 48. Ka4 Qc6+ 49. Kxb4 Qc5+ 50. Ka4 Qa5#) (44. Qxe3 Qxe3 45. Rxe3 Rf5 $11) 44... Qd2 45. Qxf7+ Kc6 46. Qe8+ {[%mdl 64] Double Attack} Kb7 47. Qe4+ (47. Bxg5 Qxe1+ 48. Kb2 Qe2+ 49. Ka3 b4+ {[%mdl 64] Decoy} 50. Kxb4 Qg4+ 51. Kc3 Qxg5 $11) (47. Qxe3 Qxe3 48. Rxe3 Rg1+ 49. Kb2 Rg2+ 50. Kb1 Kc6 $16) 47... Kc7 48. Qxe3 (48. Bxg5 Qxe1+ 49. Kb2 Qf2+ 50. Ka3 e2 $16) (48. Qe7+ Kb6 $16) 48... Qxe3 49. Rxe3 Rg1+ 50. Kb2 Rg2+ 51. Kb1 a5) 44. Qxe3 {Accuracy: White = 85%, Black = 48%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.03"]
[Round "5.10"]
[White "Kashefi, Amir Hosein"]
[Black "Gholami Orimi, Mahdi"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2223"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "187"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,186,52,48,41,37,45,32,32,0,38,0,70,23,61,76,64,80,66,52,51,47,49,34,81,17,20,19,21,23,28,14,25,19,34,-3,7,6,8,3,13,0,0,0,0,-2,15,8,27,20,17,0,0,0,0,0,0,0,0,0,4,0,5,0,0,0,0,0,0,0,9,0,0,0,0,0,0,-8,-6,-51,-20,-47,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,0,0,0,8,8,339,312,387,318,422,8,8,8,407,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bd3 O-O 6. Nf3 Na6 7. O-O c5 8. d5 Bg4 9. h3 Bxf3 10. Rxf3 Nc7 {B09: Pirc Defence: Austrian Attack} 11. a4 e6 (11... a6 12. a5 Nb5 13. Ne2 e6 14. dxe6 fxe6 15. f5 gxf5 16. exf5 e5 17. c4 {½-½ (41) Swiercz,D (2636)-Mamedov,R (2678) Atlantic City 2016}) 12. dxe6 fxe6 {White is slightly better.} 13. f5 Nd7 14. Bf4 Be5 (14... Ne5 $11) 15. Be3 $146 ({Predecessor:} 15. Qd2 Bxf4 16. Rxf4 Ne5 17. Raf1 Qe7 18. f6 {½-½ (61) Polyakov,M (2349)-Yastreb,K (2209) Alushta 2010}) 15... Kh8 16. fxg6 hxg6 17. Rxf8+ $1 Qxf8 18. Qg4 Qg7 19. Rf1 Bf6 20. Qf4 Be7 21. Ne2 (21. Qg3 $16) 21... Rf8 $11 22. Qg3 $1 ({Don't play} 22. Qh6+ Qxh6 23. Bxh6 Rxf1+ 24. Kxf1 g5 $15) 22... Rxf1+ 23. Kxf1 Ne5 24. b3 a6 25. Kg1 g5 26. Qe1 g4 27. Qg3 gxh3 28. Qxh3+ Qh7 29. Qg3 Qh4 30. Bf4 Qxg3 31. Nxg3 Nf7 32. Bd2 b6 33. Ne2 Kg8 34. g3 Ne5 35. Kg2 Kf7 36. Nf4 Bg5 37. Be2 Nc6 38. Bc3 Bf6 39. Bd2 b5 40. axb5 axb5 41. Kh3 b4 42. Be3 Bd4 43. Bc1 Kf6 44. Nh5+ Kf7 45. g4 Be5 46. g5 Nd4 47. Bd1 Ncb5 48. Bd2 Kg6 49. Kg4 Na3 50. c3 $1 {[%cal Rc3d4]} Nc6 51. cxb4 cxb4 52. Be2 Nb1 53. Be3 Na5 54. Bd1 Kf7 (54... Nc3 $5 55. Bc2 $8 Nc6 $11) 55. Nf4 Nc3 56. Bc2 Bxf4 57. Bxf4 {[%mdl 4096] Endgame KBB-KNN} e5 58. Be3 Nc6 59. Kh5 {And now g6+ would win.} Ne7 $2 {[%mdl 8192] [#]} (59... Kg7 $1 $11 {and Black has nothing to worry.}) 60. Kh6 $1 $18 Ne2 61. Bd2 Nf4 {intending ...Ng8+.} 62. Bxf4 $2 (62. Bxb4 $18 Ke6 63. Bd1) 62... exf4 {KB-KN} 63. Bd3 {Black must now prevent Bc4+.} Kg8 $2 {[%mdl 8192]} (63... Ke6 $11 {and Black is okay.}) 64. Bc4+ $2 (64. Be2 $18) 64... Kh8 $11 {The position is equal.} 65. Be2 {[#] Hoping for Bg4.} Nc6 $1 66. Bc4 {White wants to mate with g6.} Ne7 $1 67. g6 {[%csl Gh6][%cal Rg6g7]} Ng8+ 68. Kg5 {Bxg8 would kill now.} f3 69. Kf4 f2 70. Ke3 Ne7 71. Kxf2 Nxg6 72. Ke3 {With the idea Kd4.} Kg7 73. Kd4 Kf6 74. Kd5 Ke7 75. Kc6 {Threatens to win with Kb5.} Ne5+ 76. Kb5 Nxc4 77. Kxc4 {KPP-KPP} Ke6 78. Kd4 Ke7 79. Kd5 Kd7 80. Kc4 Ke6 81. Kd4 Ke7 82. e5 Ke6 {Strongly threatening ...d5.} 83. exd6 Kxd6 {KP-KP} 84. Kc4 Kc6 85. Kxb4 {Threatening mate with Ka5. KP-K} Kb6 86. Kc4 {Intending Kb4 and mate.} Kc6 87. b4 {[%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Kb6 88. b5 Kb7 89. Kc5 Kc7 90. b6+ Kb7 91. Kb5 Kb8 92. Kc6 Kc8 93. b7+ Kb8 94. Kb6 {Accuracy: White = 56%, Black = 52%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.1"]
[White "Mousavi, Seyed Khalil"]
[Black "Maghsoodloo, Parham"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2501"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,70,6,14,10,21,17,23,1,18,20,24,14,21,28,21,0,59,56,67,72,66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1428,-1322,-975,-514,-507,-529,-480,-475,-1735,-1661,-29986,-29987,-29987,-29988,-29988,-29987,-29995,-29996]} 1. Nf3 b6 2. c4 Nf6 3. g3 Bb7 4. Bg2 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O e6 8. e3 c5 9. d4 {A30: Symmetrical English: Double Fianchetto and Hedgehog} d5 (9... cxd4 10. Bxd4 Nc6 11. Bb2 d5 12. Nbd2 {½-½ (12) Jankovic,A (2582)-Brkic,A (2563) Sarajevo 2017}) 10. dxc5 bxc5 11. Nc3 {White has an edge.} Nbd7 12. cxd5 exd5 13. Rc1 Rc8 $146 ({Predecessor:} 13... Qe7 14. Qd3 {½-½ (52) Soederberg,K (2297)-Nisula,T (2192) ICCF email 2013}) 14. Re1 Re8 15. Na4 Rc7 ({Better is} 15... Qe7 $11) 16. Re2 $14 Bf8 17. Rec2 Bc6 18. Nxc5 (18. Nc3 $14) 18... Bxc5 $11 19. Rxc5 Nxc5 20. Rxc5 {aiming for Qc1.} Ne4 21. Ra5 Ba8 $1 22. Qd4 {[%csl Gb2][%cal Rd4h8]} f6 $1 $36 {[%mdl 2048] White is under pressure.} 23. Rxa7 Rc2 $1 24. g4 {And now g5! would win.} Rxf2 25. g5 $1 {[%cal Rg5f6] [#]} Rf8 {Played: Rf2xg2} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.2"]
[White "Mosadeghpour, Masoud"]
[Black "Ghaem Maghami, Ehsan"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2500"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,17,22,10,45,32]} 1. e4 c6 2. d4 d5 3. Nd2 {[%cal Bb1d2,Bd2e4,Be4g3,Bg3h5][%mdl 32]} dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 e6 7. Nf4 Bd6 8. c3 Qc7 {B18: Classical Caro-Kann: 4...Bf5 sidelines} (8... Nf6 9. h4 Bxf4 10. Bxf4 h6 11. h5 Bh7 12. Bc4 O-O 13. O-O a5 14. Qf3 Nbd7 15. Rad1 a4 16. Be2 Re8 {1-0 (39) Svidler,P (2729)-Esipenko,A (2624) Khanty-Mansiysk 2019}) 9. Ngh5 {Predecessor:} Bxh5 $146 10. Nxh5 g6 11. Ng3 Bf4 12. Qf3 Bxc1 13. Rxc1 Nd7 14. Ne4 Kf8 15. Bc4 Kg7 16. O-O {1-0 (46) David,A (2575)-Nabaty,T (2604) Anogia 2015} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.3"]
[White "Pourramezanali, Amirreza"]
[Black "Daghli, Arash"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2478"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,39,15,20,12,39,20,52,54,58,50,58,37,34,18,46,0,6,1,11,11,0,4,26,0]} 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Ne2 O-O 6. Nbc3 e5 7. O-O Nc6 8. d5 Ne7 9. f4 exf4 10. Bxf4 {B07: Pirc Defence: Miscellaneous Systems} Bg4 $146 ({Predecessor:} 10... Ng4 11. Qd2 c6 12. dxc6 Nxc6 13. Nd5 Bxb2 14. Rab1 Bg7 15. Nec3 b6 16. Nb5 Nge5 17. Ndc7 Rb8 18. Qxd6 {½-½ (26) Hertneck,G (2551)-Schmaltz,R (2534) Landau 2002}) 11. Qd2 Bxe2 12. Nxe2 {[%cal Bc3e2,Be2d4,Bd4b5][%mdl 32] White is slightly better.} Nd7 13. c4 a5 14. Nd4 Nc8 15. Rac1 Ncb6 16. Kh1 Nc5 17. Bg5 Qe8 18. Rfe1 $1 Nbd7 19. Nb5 Qb8 20. b3 {Accuracy: White = 41%, Black = 66%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.4"]
[White "Meshkovs, Nikita"]
[Black "Kasparov, Sergey"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2548"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,0,45,39,28,0,6,11,0,0,0,0,-3,-20,-20,-26,-26,-57,-49,-47,-16,-20,0,7,0,-51,-55,-51,-47,-61,-61,-77,-52,-70,-20,-17,-8,0,0,8,7,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,20,-5,0,0,0,0,0,0,0,-12,-12,-12,-11,-10,-8,-12,-8,-17,-18,-16,-6,-6,-7,-8,-2,-2,-2,-3,-3,-3,-3,-8,-8,-8,-8,-8,0]} 1. g3 d5 2. Nf3 Nf6 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6 7. Nc3 Be7 8. Qb3 {A11: English Opening: 1...c6} (8. cxd5 exd5 9. Qb3 Qb6 10. Qc2 Nbd7 11. e4 dxe4 12. dxe4 Bh7 13. Be3 Qa5 14. a3 O-O 15. b4 Qc7 16. Bf4 Bd6 17. Bxd6 Qxd6 {1-0 (42) Zablotsky,S (2511)-Drygalov,S (2446) St Petersburg 2018}) 8... Qb6 9. Be3 Qxb3 10. axb3 a6 $1 11. Bd4 O-O 12. Rfe1 $146 ({Predecessor:} 12. Na4 Nbd7 13. Nb6 Nxb6 14. Bxb6 Nd7 15. Bd4 Rfe8 16. Bc3 Bh7 17. Ne5 {½-½ (17) Bochev,K (2113)-Filev,G (2384) Kozloduy 2009}) 12... Bh7 13. Nd2 Nbd7 {aiming for ...e5.} 14. f4 Rad8 15. h3 Nh5 16. Bf2 d4 17. Na2 e5 18. fxe5 Nxe5 19. Nf3 (19. b4 $11) 19... Nxf3+ $15 20. Bxf3 Nf6 21. b4 Bf5 22. Kg2 Rd7 23. Rf1 Be6 24. Be1 {The position is equal.} g5 25. Bd2 g4 26. hxg4 Nxg4 27. Rh1 Bg5 28. Bxg5 hxg5 29. Rh5 $1 {[%cal Rh5g5]} Ne3+ 30. Kf2 f6 31. Rah1 Bf5 32. Rh8+ Kg7 33. Rxf8 $1 Kxf8 34. Nc1 Nc2 35. b5 (35. g4 {is interesting.} Be6 36. Nb3 Bg8 37. Nc5 Re7 38. b5) 35... axb5 36. cxb5 cxb5 {And now ...Be6 would win.} 37. Nb3 b6 38. Rc1 Nb4 39. Bc6 (39. Rc8+ {looks sharper.} Ke7 40. g4 Be6 41. Nd2 Bd5 42. Rh8) 39... Rc7 40. Bxb5 Rxc1 41. Nxc1 $11 {[%mdl 4096] Endgame KBN-KBN} Be6 42. Bc4 Ke7 43. e3 dxe3+ 44. Kxe3 Bd7 45. Ne2 Kd6 46. d4 f5 47. Nc3 Bc6 48. b3 Nd5+ 49. Bxd5 Bxd5 50. b4 Bc6 51. Kf2 Ke6 52. Ke3 Kd6 {Accuracy: White = 66%, Black = 64%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.5"]
[White "Timofeev, Artyom"]
[Black "Omidi, Arya"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2595"]
[BlackElo "2323"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,149,0,0,10,10,25,29,26,28,29,39,35,24,31,16,16,9,14,20,25,11,20,0,0,0,6,6,0,0,0,-5,-5,-5,-5,-7,0,-20,-8,-18,-4,-4,-4,-7,0,0,16,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,6,0,5,0,10,0,10,11,5,8,8,8,40,44,58,68,67,6,7,0,18,15,18,29,37,31,188,190,202,1,23,8,8,8,8,8,20,20,22,28,44,15,138,138,475,8,1687,1737,1548,1447,1370,1370,12850,29941,29941,29942,12848,12851,12829,12816,12799,9301,5409,5409,1193,1056,710,660,29994,29995,29995,29996,29996,1000]} 1. e4 c5 2. Be2 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Nc6 7. Nf3 Bg4 {B27: Sicilian: 2 Nf3, unusual Black 2nd moves} (7... Nh6 8. O-O O-O 9. h3 f6 10. exf6 exf6 11. Nc3 Be6 12. Bf4 g5 13. Bh2 Qd7 14. Re1 Rfe8 15. Rc1 {½-½ (25) Lu,S (2627)-Adhiban,B (2666) Doha 2016}) 8. Nbd2 f6 {[%cal Rf6e5]} 9. O-O Nh6 $146 {White has an edge.} ({Predecessor:} 9... fxe5 10. dxe5 e6 11. h3 Bxf3 12. Nxf3 Nh6 13. Qb3 Qd7 14. Qa3 Nf7 15. Bf4 {1-0 (56) Zifroni,D (2395)-Timanin,B (2355) Ramat Hasharon 1993}) 10. h3 Bxf3 11. Nxf3 O-O {[%cal Rf6e5]} 12. exf6 exf6 13. Bxh6 Bxh6 14. Qb3 Rf7 15. Rfe1 Qd6 16. Bb5 Rc8 {[%cal Ba8c8,Bc8c6,Bc6d6,Bd6d5,Bd5g5][%mdl 32]} 17. Re2 a6 18. Bxc6 Rxc6 19. Rae1 Bf8 20. Nh2 {[%cal Bf3h2,Bh2g4,Bg4e3][%mdl 32]} Qb4 21. Qxd5 Rd6 22. Qf3 Qxd4 23. Ng4 Kg7 24. Qg3 Rd5 25. Ne3 Rg5 26. Qf3 Re5 27. b3 Qd8 28. Rd1 Qe8 29. Rd5 Rxd5 30. Nxd5 Qc6 31. Re1 Rd7 32. Rd1 Qe6 33. g3 Be7 34. Kg2 {Threatens to win with Nf4.} Bc5 35. g4 Qc6 36. a4 Ba7 37. Rd3 Bb8 38. Rd4 Rf7 39. Rb4 Qd6 40. Rb6 Qh2+ 41. Kf1 {[%cal Rb6f6]} Be5 42. Ne3 Qf4 $132 {[%mdl 2048] Black is not keeping still} 43. Qxf4 Bxf4 $11 {[%mdl 4096] Endgame KRB-KRN} 44. Nc4 Bb8 45. Rb4 Bf4 46. Ke2 g5 47. Rb6 (47. Na5 $1 $14) 47... Kg6 48. b4 Rc7 49. Kd3 Rd7+ 50. Ke4 Re7+ $1 51. Kd5 Re2 $2 (51... Bb8 $14) 52. Rxb7 $18 Rxf2 53. Nb6 $2 ({White should try} 53. Rb6 $18) 53... Rd2+ 54. Ke6 Re2+ 55. Kd7 {Threatening Nd5.} Rd2+ $1 56. Ke8 {Black should prevent Nc8.} Re2+ 57. Kd8 f5 58. Nd7 {And now Nf8+ would win.} fxg4 59. hxg4 {Nf8+ is the strong threat.} Rd2 (59... Re4 $1 $11) 60. Rb6+ $16 Rd6 $2 {[%mdl 8192] [#]} (60... Kf7 $16) 61. Kc7 $2 (61. a5 $1 $18 Rxb6 62. axb6) 61... Kf7 $2 {[%mdl 8192]} (61... Rxb6+ $11 62. Kxb6 h5 63. gxh5+ Kg7) 62. Rxd6 $18 Ke7 63. Kc6 Bxd6 {KB-KN} 64. b5 axb5 {[#]} 65. a5 $1 {[%cal Ra5a6]} ({Weaker is} 65. axb5 Bf4 $16) 65... b4 66. a6 Bb8 67. Nxb8 {Intending a7 and mate. KN-K3P} b3 68. a7 {White threatens Nd7 and mate.} b2 69. a8=Q {White wants to mate with Nd7.} b1=Q 70. Kc7 Qc2+ 71. Nc6+ Kf7 72. Qh8 Qe4 73. Nd8+ {White mates.} Kg6 74. Qg8+ Kf6 75. Qf7+ {Accuracy: White = 56%, Black = 44%.} (75. Qf8+ $142 Kg6 76. Qf7+ Kh6 77. Qf6+ Qg6 78. Nf7#) 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.6"]
[White "Hosseinipour, Mehdi"]
[Black "Tahbaz, Arash"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "2276"]
[BlackElo "2476"]
[Annotator "ChessBase"]
[PlyCount "106"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:06:24]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:28]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:11]} a6 {[%emt 0:00:15]} 6. Be2 {[%emt 0:03:03]} e6 {[%emt 0:02:47]} 7. O-O {[%emt 0:00:09]} Nc6 {[%emt 0:00:44]} 8. Be3 {[%emt 0:00:12]} Be7 {[%emt 0:00:08]} 9. a4 {[%emt 0:00:11]} O-O {[%emt 0:00:06]} 10. f4 {[%emt 0:00:33]} Bd7 {[%emt 0:00:05]} 11. Nb3 {[%emt 0:01:29]} b6 {[%emt 0:01:16]} 12. Bf3 {[%emt 0:02:36]} Qc7 {[%emt 0:00:10]} 13. g4 {[%emt 0:02:56]} Bc8 {[%emt 0:00:26]} 14. g5 {[%emt 0:00:21]} Nd7 {[%emt 0:00:07]} 15. Bg2 {[%emt 0:00:08]} Re8 {[%emt 0:02:10]} 16. Rf3 {[%emt 0:07:15]} Bf8 {[%emt 0:00:40]} 17. Rh3 {[%emt 0:00:38]} g6 {[%emt 0:00:22]} 18. Qe1 {[%emt 0:07:32]} Bg7 {[%emt 0:00:18]} 19. Qh4 {[%emt 0:07:30]} Nf8 {[%emt 0:00:53]} 20. f5 {[%emt 0:11:40]} Bxc3 {[%emt 0:13:19]} 21. f6 {[%emt 0:04:00]} h5 {[%emt 0:00:31]} 22. gxh6 {[%emt 0:03:17]} Kh7 {[%emt 0:01:08]} 23. bxc3 {[%emt 0:00:18]} Ne5 {[%emt 0:01:01]} 24. Bf2 {[%emt 0:03:36]} Bb7 {[%emt 0:02:40]} 25. Qf4 {[%emt 0:01:07]} Nfd7 {[%emt 0:01:46]} 26. Rg3 {[%emt 0:05:15]} Qd8 {[%emt 0:05:05]} 27. Rf1 {[%emt 0:03:59]} Qxf6 {[%emt 0:05:11]} 28. Qd2 {[%emt 0:02:07]} Qe7 {[%emt 0:00:52]} 29. Rd1 {[%emt 0:03:17]} Nf6 {[%emt 0:02:02]} 30. Qd4 {[%emt 0:05:45]} Rac8 {[%emt 0:04:48]} 31. Nd2 {[%emt 0:00:52]} Nh5 {[%emt 0:01:21]} 32. Re3 {[%emt 0:01:28]} Ng4 {[%emt 0:06:20]} 33. Rf3 {[%emt 0:02:07]} Ne5 {[%emt 0:02:33]} 34. Re3 {[%emt 0:00:07]} Ng4 {[%emt 0:01:18]} 35. Rf3 {[%emt 0:00:06]} e5 {[%emt 0:00:06]} 36. Qxb6 {[%emt 0:01:12]} Nf4 {[%emt 0:01:11]} 37. Bg3 {[%emt 0:05:03]} Nxg2 {[%emt 0:01:51]} 38. Kxg2 {[%emt 0:00:06]} f5 {[%emt 0:00:09]} 39. Rdf1 {[%emt 0:04:46]} f4 {[%emt 0:14:30]} 40. Kg1 {[%emt 0:02:29]} Nxh6 {[%emt 0:02:53]} 41. Bf2 {[%emt 0:03:29]} Nf7 {[%emt 0:04:48]} 42. h4 {[%emt 0:01:15]} Qd7 {[%emt 0:10:06]} 43. Rd3 {[%emt 0:02:04]} Rb8 {[%emt 0:03:23]} 44. Kh2 {[%emt 0:02:00]} g5 {[%emt 0:00:51]} 45. Qa7 {[%emt 0:03:00]} Ra8 {[%emt 0:01:23]} 46. Qb6 {[%emt 0:00:13]} g4 {[%emt 0:00:05]} 47. Kg2 {[%emt 0:01:16]} Rg8 {[%emt 0:01:25]} 48. Bg1 {[%emt 0:00:37]} g3 {[%emt 0:00:31]} 49. Rd1 {[%emt 0:01:47]} Bc8 {[%emt 0:01:01]} 50. Kf1 {[%emt 0:00:02]} Qh3+ {[%emt 0:00:11]} 51. Ke1 {[%emt 0:00:02]} Bg4 {[%emt 0:00:42]} 52. Nf3 {[%emt 0:00:40]} Qg2 {[%emt 0:02:07]} 53. Qb7 {[%emt 0:01:28]} Raf8 {[%emt 0:00:46]} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.7"]
[White "Pour Agha Bala, Amirreza"]
[Black "Darini, Pouria"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2420"]
[BlackElo "2427"]
[Annotator "RC"]
[PlyCount "170"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:02:26]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:07]} g6 {[%emt 0:00:08]} 4. Bxc6 {[%emt 0:00:18]} dxc6 {[%emt 0:00:28]} 5. d3 {[%emt 0:00:12]} Bg7 {[%emt 0:00:12]} 6. O-O {[%emt 0:00:21]} Nf6 {[%emt 0:02:34]} 7. Re1 {[%emt 0:00:17]} Bg4 {[%emt 0:11:46]} 8. Nbd2 {[%emt 0:03:35]} Nd7 {[%emt 0:01:10]} 9. h3 {[%emt 0:00:37]} Bxf3 {[%emt 0:00:05]} 10. Qxf3 {[%emt 0:00:06]} O-O {[%emt 0:04:02]} 11. Qg3 {[%emt 0:01:00]} e5 {[%emt 0:13:25]} 12. Nc4 {[%emt 0:03:05]} b5 {[%emt 0:00:00]} 13. Nd2 {[%emt 0:00:27]} Nb6 {[%emt 0:19:30]} 14. Qe3 {[%emt 0:10:48]} Qd6 {[%emt 0:03:53]} 15. Qe2 {[%emt 0:02:45]} a5 {[%emt 0:05:10]} 16. Nf3 {[%emt 0:02:35]} a4 {[%emt 0:01:26]} 17. Be3 {[%emt 0:01:12]} f5 {[%emt 0:03:28]} 18. exf5 {[%emt 0:00:30]} gxf5 {[%emt 0:00:01]} 19. Rad1 {[%emt 0:03:39]} Rae8 {[%emt 0:00:07]} 20. c4 {[%emt 0:15:11]} b4 {[%emt 0:06:23]} 21. Qc2 {[%emt 0:02:07]} Kh8 {[%emt 0:09:48]} 22. Re2 {[%emt 0:03:43]} Nd7 {[%emt 0:08:54]} 23. Qxa4 {[%emt 0:00:36]} Ra8 {[%emt 0:00:58]} 24. Qb3 {[%emt 0:00:12]} Qg6 {[%emt 0:00:01]} 25. a3 {[%emt 0:06:05]} Rg8 {[%emt 0:00:35]} 26. Kh1 {[%emt 0:01:45]} Bf6 {[%emt 0:03:08]} 27. Rg1 {[%emt 0:00:06]} bxa3 {[%emt 0:01:57]} 28. bxa3 {[%emt 0:00:26]} Rgb8 {[%emt 0:00:01]} 29. Qc2 {[%emt 0:01:03]} Rxa3 {[%emt 0:00:14]} 30. Bc1 {[%emt 0:00:07]} Rab3 {[%emt 0:00:45]} 31. Nh2 {[%emt 0:02:53]} f4 {[%emt 0:01:42]} 32. Re4 {[%emt 0:00:27]} R3b7 {[%emt 0:01:06]} 33. Ng4 {[%emt 0:03:38]} Bg7 {[%emt 0:00:07]} 34. Rge1 {[%emt 0:00:17]} Qd6 {[%emt 0:00:55]} 35. R4e2 {[%emt 0:05:24]} Rb3 {[%emt 0:00:29]} 36. Rd1 {[%emt 0:00:58]} Kg8 {[%emt 0:00:32]} 37. f3 {[%emt 0:00:08]} Nf8 {[%emt 0:00:13]} 38. Qa2 {[%emt 0:01:55]} Rxd3 {[%emt 0:00:34]} 39. Rxd3 {[%emt 0:00:40]} Qxd3 {[%emt 0:00:01]} 40. Kh2 {[%emt 0:00:09]} Ng6 {[%emt 0:00:53]} 41. Rd2 {[%emt 0:00:41]} Qb1 {[%emt 0:00:45]} 42. Qa7 {[%emt 0:00:13]} Rb7 {[%emt 0:00:33]} 43. Rd8+ {[%emt 0:00:13]} Nf8 {[%emt 0:00:01]} 44. Qa8 {[%emt 0:00:38]} Rf7 {[%emt 0:00:36]} 45. Ba3 {[%emt 0:00:10]} Qe1 {[%emt 0:00:54]} 46. Bxc5 {[%emt 0:01:09]} Qg3+ {[%emt 0:00:01]} 47. Kh1 {[%emt 0:00:01]} Qe1+ {[%emt 0:00:05]} 48. Bg1 {[%emt 0:00:22]} e4 {[%emt 0:00:58]} 49. Qxc6 {[%emt 0:00:05]} e3 {[%emt 0:00:33]} 50. Nh6+ {[%emt 0:00:27]} Bxh6 {[%emt 0:00:04]} 51. Qxh6 {[%emt 0:00:04]} Qg3 {[%emt 0:00:32]} 52. Re8 {[%emt 0:00:54]} Qg6 {[%emt 0:01:09]} 53. Qxg6+ {[%emt 0:00:29]} hxg6 {[%emt 0:00:01]} 54. g3 {[%emt 0:00:12]} g5 {[%emt 0:00:46]} 55. Kg2 {[%emt 0:01:02]} Kh7 {[%emt 0:00:18]} 56. h4 {[%emt 0:00:18]} gxh4 {[%emt 0:00:55]} 57. gxf4 {[%emt 0:00:06]} Ng6 {[%emt 0:00:38]} 58. Bxe3 {[%emt 0:00:06]} Ne7 {[%emt 0:00:30]} 59. Kh3 {[%emt 0:00:11]} Nf5 {[%emt 0:00:00]} 60. Bf2 {[%emt 0:00:35]} Nd6 {[%emt 0:00:07]} 61. Re6 {[%emt 0:00:33]} Nxc4 {[%emt 0:00:01]} 62. Kg4 {[%emt 0:00:19]} h3 {[%emt 0:00:51]} 63. Bg3 {[%emt 0:00:04]} Nd2 {[%emt 0:01:25]} 64. Re5 {[%emt 0:00:59]} Nf1 {[%emt 0:00:36]} 65. Kxh3 {[%emt 0:00:59]} Nxg3 {[%emt 0:00:10]} 66. Kxg3 {[%emt 0:00:01]} Kg6 {[%emt 0:00:28]} 67. Kg4 {[%emt 0:00:05]} Ra7 {[%emt 0:00:13]} 68. Re6+ {[%emt 0:00:06]} Kf7 {[%emt 0:00:05]} 69. Rb6 {[%emt 0:00:01]} Ra5 {[%emt 0:00:20]} 70. Rb4 {[%emt 0:00:19]} Kf6 {[%emt 0:00:24]} 71. Re4 {[%emt 0:00:07]} Rb5 {[%emt 0:00:43]} 72. Ra4 {[%emt 0:00:12]} Rc5 {[%emt 0:00:12]} 73. Ra6+ {[%emt 0:00:08]} Kf7 {[%emt 0:00:05]} 74. f5 {[%emt 0:00:04]} Rc1 {[%emt 0:00:09]} 75. Kf4 {[%emt 0:00:36]} Rb1 {[%emt 0:00:16]} 76. Kg4 {[%emt 0:00:41]} Rg1+ {[%emt 0:00:07]} 77. Kf4 {[%emt 0:00:06]} Rb1 {[%emt 0:00:02]} 78. f6 {[%emt 0:00:31]} Rb4+ {[%emt 0:01:01]} 79. Kg3 {[%emt 0:00:08]} Kg6 {[%emt 0:00:58]} 80. f4 {[%emt 0:00:11]} Rb1 {[%emt 0:00:30]} 81. Kf3 {[%emt 0:00:28]} Rf1+ {[%emt 0:01:01]} 82. Ke4 {[%emt 0:00:06]} Re1+ {[%emt 0:00:04]} 83. Kd5 {[%emt 0:00:02]} Kf7 {[%emt 0:00:13]} 84. Rd6 {[%emt 0:00:11]} Rd1+ {[%emt 0:00:06]} 85. Kc6 {[%emt 0:00:04]} Rxd6+ {[%emt 0:00:02]} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.8"]
[White "Bogdanovich, Stanislav"]
[Black "Veisi, Bardia"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2616"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,126,13,26,28,14,23,17,0,6,0,-2,-9,0,-20,-15,-43,-43,-47,-53,-51,-42,-64,-53,-59,-56,-54,-56,-72,-33,-41,-44,-79,-80,-87,-85,-89,-78,-81,-89,-96,-97,-99,-94,-101,-58,-86,-80,-149,-152,-148,-138,-134,-116,-135,-113,-134,-86,-93,0,-131,-131,-129,0,-107,-82,-154,-155,-172,-174,-202,-197,-196,-166,-204,-197,-216,-171,-170,-131,-132,-132,-132,-132,-132,-127,-187,-172,-163,-168,-170,-120,-109,-79,-84,-79,-79,-79,-197,-197,-233,-218,-289,-288,-282,-277,-285,-271,-327,-327,-389,-364,-366,-193,-197,-198,-167,-167,-275,-261]} 1. Nf3 c5 2. b3 d5 3. Bb2 Nf6 4. e3 g6 5. c4 dxc4 6. Bxc4 {A06: Réti Opening:1 Nf3 d5} Bg7 7. O-O O-O 8. Nc3 {The position is equal.} (8. Be2 Nc6 9. Qc1 Qd6 10. Na3 b6 11. d4 cxd4 12. Nb5 {½-½ (31) Jobava,B (2687)-Yu,Y (2744) Tbilisi 2017}) 8... Nc6 9. Rc1 $146 ({Predecessor:} 9. d4 cxd4 10. exd4 e6 11. Ba3 Re8 12. Nb5 Bf8 13. Bxf8 Rxf8 {0-1 (31) Fernandes,R (2096)-Verbin,V (1936) Konya 2018}) 9... b6 10. d4 cxd4 11. Nxd4 Nxd4 12. Qxd4 Qxd4 13. exd4 e6 14. Nb5 Bb7 15. Nc7 Rab8 16. Ba3 Rfd8 17. Rfd1 Nd5 18. Nb5 Bf8 19. Bxf8 Kxf8 20. Nxa7 Ra8 21. Nb5 Rxa2 22. g3 Ke7 23. Re1 Kf6 24. Ra1 Rxa1 25. Rxa1 Ne7 26. Bd3 Nf5 27. Bxf5 gxf5 $15 {[%mdl 4096] Endgame KRB-KRN} ({Don't play} 27... Kxf5 $6 28. Ra7 $11) 28. Rd1 (28. Ra4 $142) 28... Bf3 $17 29. Re1 Bc6 30. Na7 Bd5 31. b4 Be4 32. Rd1 Bf3 33. Rd3 Be4 34. Rd1 $1 Ra8 35. Ra1 Rd8 36. Rd1 $1 {[#]} f4 $1 {[%mdl 512]} 37. Nb5 {[#]} (37. f3 $142 Bc2 38. Rc1) (37. gxf4 Kf5) 37... Bf3 $1 {[%cal Rf3d1]} 38. Rc1 Rd5 39. Na7 Rxd4 40. b5 Rb4 41. Nc6 Ra4 ({And not} 41... Rxb5 42. Nd4 $16) 42. Nb8 Rd4 43. Nc6 Rd5 44. gxf4 Be4 45. Re1 Bd3 46. Ne5 Bxb5 47. Ng4+ (47. Rb1 $17) 47... Kg7 48. Ne3 Rc5 49. Rb1 h5 50. h4 Kg6 51. Kh2 Kf6 52. Kg3 Ke7 53. Rb2 {[#]} (53. f5 $17) 53... f5 $1 $19 54. Rb1 Kd6 55. Kf3 Bc6+ 56. Ke2 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 57. Kd2 Be4 58. Ra1 Rc6 59. Ra7 b4 60. Ra5 Rc5 (60... Kc7 $142 61. Rb5 Rd6+ 62. Ke1 Rd4 63. Rc5+ Kd6) 61. Ra6+ Kc7 {aiming for ...b3.} 62. Ra4 Rb5 {Strongly threatening ...b3.} 63. Nc4 (63. Kc1 $142) 63... Rd5+ {Accuracy: White = 43%, Black = 76%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.9"]
[White "Gholami Orimi, Mahdi"]
[Black "Mashatan, Reza"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2437"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,49,23,22,21,13,24,13,9,31,21,22,20,63,0,54,68,230,230,230,216,338,327,542,536,635,623,633,617,870,860,855,839,2037,1989,3004,2824]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nf3 d5 6. O-O Bd6 7. Nc3 O-O 8. Qc2 Ne4 9. Bf4 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} (9. Rb1 Qe7 10. b4 b5 11. cxb5 Nxc3 12. Qxc3 cxb5 13. Bf4 Bxf4 14. gxf4 Bd7 15. Qc5 Qxc5 16. bxc5 a5 17. a3 Rc8 {½-½ (58) Edouard,R (2647)-Fressinet,L (2677) Agen 2016}) 9... Bxf4 10. gxf4 Nd7 11. e3 {The position is equal.} a5 12. Ne2 {[%cal Bc3e2,Be2f4,Bf4h5,Bh5f6][%mdl 32]} Qe7 13. c5 {[#]} h6 $146 ({Predecessor:} 13... b6 14. cxb6 Ba6 15. Rfc1 Rfb8 16. Nc3 Nxc3 17. Qxc3 Bb5 18. a4 Be2 19. Qxc6 Ra6 20. Qc7 Bxf3 21. Bxf3 Raxb6 22. Rc2 R8b7 {½-½ (22) Eslon,J (2390)-Moskalenko,V (2525) Andorra 1991}) 14. Kh1 (14. Ne5 $14) 14... g5 ({Black should try} 14... b6 $1 $11) 15. Ne5 $36 {[%mdl 2048] Hoping for Ng6. White is more active.} Nxe5 $2 {[#]} ({Better is} 15... Kh7 $14) 16. fxe5 $18 g4 17. Nf4 Rf7 (17... Qh4 $142) 18. f3 gxf3 $2 (18... Ng5 19. fxg4 fxg4) 19. Bxf3 {White is clearly winning.} Rg7 20. Rg1 Ng5 21. Nh5 Rg6 22. h4 Kf8 23. Nf6 Rg7 24. hxg5 hxg5 25. Qh2 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.04"]
[Round "6.10"]
[White "Bashirli, Nail"]
[Black "Hosseinzadeh, Nima"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "2383"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,60,-2,-31,-26,-107,-108,-117,-127,-253,-239,-233,-237,-277,-255,-271,-241,-330,-344,-337,-329,-338,-325,-473,-472,-471,-452,-442,-460,-476,-468,-488,-471,-502,-499,-626,-626,-626,-619,-717,-684,-862,-857,-1389,-1380,-1345,-1315,-5435,-5237,-29988,-29989,-29990,-29991]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 c6 6. O-O a5 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} 7. Nxe5 (7. a3 $11 {keeps the balance.}) (7. Bb3 d6 8. Nxd4 exd4 9. Ne2 a4 10. Bc4 Nxe4 11. Re1 d5 12. Bd3 Be7 13. Nxd4 O-O 14. c3 {½-½ (42) Gan Erdene,S (2408)-Batchuluun,T (2535) Changsha 2019}) 7... d6 $17 8. Nf3 {[#]} Bg4 $1 {Black is better.} 9. Nd5 $146 (9. d3 $17) ({Predecessor:} 9. a3 Nd7 10. Re1 Ne5 11. Re3 b5 12. Bb3 Qf6 13. Qf1 Nexf3+ 14. gxf3 Bxf3 {1-0 (35) Kamer,K (2205)-Sibashvili,G (2425) Manavgat 2018}) 9... Bxf3 $19 (9... Nxd5 10. exd5 Bxf3 11. gxf3 $17) ({Weaker is} 9... b5 10. Nxd4 Bxd1 11. Nxc6 $14) 10. gxf3 {[#]} b5 $1 ({Less strong is} 10... Nxd5 11. exd5 Qg5+ 12. Kh1 $15) 11. c3 cxd5 12. cxd4 bxa4 13. e5 Nh5 14. d3 dxe5 15. Re1 Be7 16. dxe5 (16. Qxa4+ $142 Qd7 17. b3) 16... O-O 17. f4 g6 18. f5 Bb4 19. Rf1 Qd7 20. a3 Bc5 21. d4 Bb6 22. f6 Qf5 23. Be3 Rac8 24. f4 Rc4 25. Rc1 Rfc8 {Hoping for ...Rxc1.} 26. Rc3 Rxc3 27. bxc3 Rxc3 {[%mdl 64] Double Attack} 28. Qxa4 Nxf6 29. Rf3 Ng4 30. e6 Qxe6 {Accuracy: White = 24%, Black = 98%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.1"]
[White "Maghsoodloo, Parham"]
[Black "Mosadeghpour, Masoud"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2664"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,93,39,10,34,14,10,12,28,29,18,0,20,0,0,2,12,5,44,62,46,22,19,17,42,22,47,38,31,19,42,31,85,80,112,116,108,93,288,89,92,92,86,81,83,90,87,88,90,92,91,91,113,113,114,112,135,102,135,124,120,114,202,101,100,102,123,97,106,113,113,116,111,104,105,104,120,112,140,135,138,132,29983,29983]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qb3 Be7 {A13: English Opening: 1...e6} (7... Bd6 8. O-O O-O 9. Nc3 a6 10. a4 Rb8 11. a5 Bc7 12. Qa3 c4 13. b3 cxb3 14. d4 b5 15. axb6 Rxb6 {½-½ (67) Hou,Y (2651)-Kramnik,V (2809) Medias 2016}) 8. O-O O-O 9. d3 a6 {The position is equal.} 10. a4 Nd5 11. Bd2 $146 ({Predecessor:} 11. Nc3 Nb4 12. Rd1 Nc6 13. Be3 Nf6 14. Rac1 e5 15. Qa3 Qb6 {½-½ (29) Bezold,M (2500)-Csom,I (2460) Budapest 1997}) 11... b6 12. e4 Nb4 13. Bxb4 cxb4 14. d4 $1 b5 15. axb5 Qb6 16. Rc1 Qxb5 17. Nc3 $36 {[%mdl 2048] White has good play.} Qb8 18. Na4 Bb7 19. d5 exd5 20. exd5 Bf6 21. Nd2 Rd8 (21... Bg5 $14 22. Qxb4 Bxd5 23. Qxb8 Raxb8) 22. Qxb4 $16 Bxd5 23. Qxb8 Raxb8 24. Bxd5 Ne5 $2 (24... Nf8 $16) 25. Rc5 $2 (25. Nc3 $1 $18) 25... Nd3 26. Ra5 {Threatens to win with Ne4.} Nb4 {[#]} 27. Bxf7+ $1 Kxf7 28. Ne4 Be7 29. Nac3 h6 30. h4 Nd3 31. Rxa6 Rxb2 32. Ra7 Ne5 33. Kg2 Rc2 34. Nb5 Rc6 35. h5 Rb6 36. Nbc3 g6 (36... Ke8 $16 37. Rc7 Nc6) 37. Rc7 (37. f4 $18 Ng4 38. hxg6+ Rxg6 39. Kh3) 37... gxh5 38. Ra5 Rd7 39. Rc8 Rc6 40. Rxc6 Nxc6 41. Rxh5 Kg6 42. g4 Rd4 43. f3 Rc4 44. Kg3 Nd4 45. Nd5 Bg5 {[#]} 46. f4 $1 {[%cal Rf4g5]} Nf5+ $2 {[%mdl 8192]} (46... Ne2+ $16 47. Kf3 Nd4+ 48. Kf2 Bd8) 47. gxf5+ {Accuracy: White = 55%, Black = 41%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.2"]
[White "Daghli, Arash"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2387"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,90,6,0,18,17,36,20,78,42,82,95,85,58,52,46,72,57,70,43,92,55,51,47,61,50,59,55,100,62,66,63,92,98,87,78,110,112,105,116,108,93,92,80,98,96,109,68,63,70,63,50,50,41,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 Bg7 6. cxd5 Nxd5 7. Nf3 O-O 8. O-O Nd7 {A11: English Opening: 1...c6} (8... Bf5 9. Nbd2 Nb6 10. Qa5 Qd5 11. Qa3 Qd6 12. b3 Na6 13. e4 Bd7 14. Bb2 Rfe8 15. Rad1 Rad8 16. Qa5 {½-½ (47) Grischuk,A (2761)-Vachier Lagrave,M (2796) Paris 2017}) 9. Rd1 Qe8 $146 ({Predecessor:} 9... N7f6 10. Nbd2 Bf5 11. Re1 Ne4 12. Nh4 Nb6 13. Qc2 Nxd2 14. Nxf5 gxf5 15. Bxd2 Qxd4 16. Be3 Qxb2 17. Qxf5 {1-0 (54) Donchenko,A (2583)-Lalic,B (2401) Newcastle 2018}) 10. Nc3 N5b6 (10... N7b6 $11 {remains equal.} 11. Qa5 Nxc3 12. bxc3 Be6) 11. Qb3 Nf6 12. e4 Bg4 13. Be3 e5 14. h3 Bxf3 15. Bxf3 exd4 16. Bxd4 Qe6 17. Bg2 Qxb3 18. axb3 Nfd7 19. Be3 Rfe8 20. f4 f6 21. Kf2 Bf8 22. h4 Bc5 23. Bxc5 Nxc5 24. b4 Na6 25. b5 Nb4 26. bxc6 bxc6 27. Bf1 a5 28. b3 Kf8 29. Kf3 Ke7 30. Na4 Nxa4 31. Rxa4 Red8 32. Rxd8 Kxd8 $14 {[%mdl 4096] Endgame KRB-KRN} 33. Bc4 Ke7 34. e5 ({Better is} 34. Ke3 $14) 34... fxe5 $11 {The position is equal.} 35. fxe5 Nd5 36. Bxd5 cxd5 {KR-KR} 37. b4 Rf8+ 38. Ke3 axb4 39. Rxb4 Rf1 40. Rb7+ Ke6 41. Rxh7 Kxe5 42. Re7+ Kf6 43. Rd7 Ke5 44. Re7+ Kf6 45. Rd7 Ke5 {Accuracy: White = 56%, Black = 59%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.3"]
[White "Tahbaz, Arash"]
[Black "Meshkovs, Nikita"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2476"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,29,23,24,32,33,25,26,31,29,29,0,0,-13,-16,-5,0,-22,-22,-28,-31,-34,-32,-37,-36,-50,-24,-22,-23,-72,-51,-61,-49,-52,-37,-120,-83,-194,-187,-278,-272,-372,-356,-491,-495,-495,-483,-414,-481,-452,-438,-416,-414,-415,-392,-402,-369,-441,-426,-454,-455,-488,-491,-483,-489]} 1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 {[%cal Bb8d7,Bd7f6,Bf6d5,Bd5f4][%mdl 32]} 8. Bd3 {White has an edge.} Bd6 (8... c6 9. Qb3 Qb6 10. Qxb6 Nxb6 11. Bxf6 gxf6 12. Nh4 a5 13. O-O-O Bb4 {1-0 (40) So,W (2767)-Demchenko,A (2655) Khanty-Mansiysk 2019}) 9. O-O c6 10. Qc2 Qc7 11. h3 h6 12. Bxf6 $1 Nxf6 13. Nh4 $146 ({Predecessor:} 13. Bf5 Bxf5 14. Qxf5 {½-½ (30) Leitao,R (2616)-Languidey,S (2427) Sao Paulo 2019}) 13... O-O 14. Nf5 Bxf5 15. Bxf5 Rae8 16. e4 dxe4 17. Nxe4 Nd5 18. Nc3 Qa5 19. Bh7+ Kh8 {aiming for ...Nxc3.} 20. Be4 Nf4 21. Rfe1 Re6 22. Re3 (22. Kf1 $15) 22... Rfe8 $36 {[%mdl 2048] White is under strong pressure.} 23. Rae1 {[#]} (23. Rd1 $17) 23... Qg5 $1 $19 {And now ...Rxe4! would win.} 24. Rg3 (24. g3 {was worth a try.} Nxh3+ 25. Kh2) 24... Qh4 {Strongly threatening ...f5!} 25. Rge3 {[#]} f5 $1 {[%mdl 512]} 26. g3 (26. Bxf5 Rxe3) 26... Qxh3 27. gxf4 Rg6+ 28. Rg3 Rxg3+ 29. fxg3 Qxg3+ {[%mdl 64] Double Attack} ({Less strong is} 29... fxe4 30. Nxe4 Bb8 31. Qc3 $15) 30. Kf1 fxe4 31. Rxe4 Rxe4 32. Nxe4 Qf3+ 33. Ke1 Bxf4 {Black is clearly winning.} 34. Qe2 Qe3 ({Weaker is} 34... Qh1+ 35. Kf2 $19) 35. Nc5 Qg1+ 36. Qf1 Qxd4 {[%mdl 64] Double Attack. Accuracy: White = 31%, Black = 84%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.4"]
[White "Ghaem Maghami, Ehsan"]
[Black "Mousavi, Seyed Khalil"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2544"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,69,30,41,37,44,57,87,55,60,44,74,84,87,85,84,81,77,80,76,83,140,123,146,145,178,174,189,189,197,197,237,190,275,283,355,372,354,389,368,352,366,319,452,471,462,441,535,531,525,527,506,511,654,570]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 7. Bd3 Nf8 8. Nf3 Ne6 9. Bh4 O-O 10. O-O {D35: Queen's Gambit Declined: Exchange Variation} c6 11. b4 b6 $146 ({Predecessor:} 11... a6 12. a4 a5 13. b5 c5 14. Bc2 cxd4 15. Nxd4 Nc5 16. Rc1 Bg4 17. f3 {1-0 (41) Navara,D (2705)-Michalik,P (2576) Czechia 2014}) 12. Qb3 {White is better.} Bb7 13. a4 Rb8 14. Bf5 g6 15. Bxe6 fxe6 16. Rfc1 Ba8 17. Bg3 Bd6 18. Qa3 Ng4 {[#]} (18... Bxg3 $142 19. hxg3 Ng4) 19. Ne2 $1 $16 Rc8 20. Nf4 Qe8 21. Nd3 Be7 22. a5 b5 23. Bf4 g5 24. Nxg5 Bxg5 (24... e5 $142) 25. Bxg5 $18 Nxh2 26. Bf4 Ng4 27. f3 Nf6 28. Qb2 Qh5 29. Qf2 Kf7 (29... Nd7 {was worth a try.} 30. Kf1 Rf6) 30. g4 {White is clearly winning.} Qh3 31. Bg5 Nh5 32. Qg2 Qxg2+ 33. Kxg2 Nf6 34. Rh1 Rh8 35. Bxf6 {Accuracy: White = 100%, Black = 27%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.5"]
[White "Veisi, Bardia"]
[Black "Pourramezanali, Amirreza"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2316"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,8,8,10,24,16,44,24,25,33,34,8,0,-11,-3,-13,0,0,10,17,8,0,0,0,0,0,18,22,19,17,36,0,0,0,0,0,36,4,17,0,0,0,0,0,8,0,0,0,18,0,0,0,0,0,0,0,0,-168,-165,-284,-204,-164,-177,-185,-154,-154,-147,-145,-155,-208,0,0,0,-397,-227,-29993,-29994,-29995,-29996]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. O-O e6 (4... Ngf6 5. h3 Bh5 6. d3 e5 7. e4 dxe4 8. dxe4 Nxe4 9. Re1 Bxf3 10. Qxf3 Nd6 {½-½ (10) Sargissian,G (2680)-Korobov,A (2664) Abu Dhabi 2018}) 5. h3 Bh5 6. d3 {A07: Réti Opening: New York and Capablanca Systems} Bd6 7. c4 Ngf6 8. Nc3 {White is slightly better.} c6 9. cxd5 exd5 10. Qc2 Bxf3 $146 ({Predecessor:} 10... O-O 11. e4 Re8 12. Nh4 dxe4 13. dxe4 Bc5 14. Kh2 Bd4 {0-1 (32) Aczel,G (2567)-Gavrilescu,D (2436) Timisoara 2018}) 11. exf3 O-O 12. f4 Bc5 13. Rb1 a5 14. a3 Qe7 15. b4 axb4 16. axb4 Bxb4 {...Qc5 is the strong threat.} 17. Na2 $1 {[%cal Ra2b4]} Ba5 {Played: Bb4-c5} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.6"]
[White "Kasparov, Sergey"]
[Black "Rastbod, Ali"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2464"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,24,9,9,12,13,0,0,12,0,0,8,8,7,7,0,0,0,0,0,5,8,24,17,26,9,49,13,16,-16,-7,-11,127,129,130,139,133,133,140,108,172,172,252,225,216,225,319,301,501,411,411,385,370,342,372,350,374,348,301,287,1336,1047,3063,2630,2248,1961,4610,2609,29981,29982,29984,29985,29985,29986,29987,29988,29988,29989,29992,29993,29993,29991]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 cxd4 (5... Nc6 6. Bd3 Bd7 7. Qg4 Kf8 8. Ne2 h5 9. Qf3 cxd4 10. cxd4 Qb6 11. Nb3 a5 12. Nf4 Ke8 13. Nxh5 a4 14. Nxg7+ {1-0 (46) Mamedov,R (2703)-Lagarde,M (2616) Skopje 2018}) 6. cxd4 {C03: French Tarrasch: Unusual Black 3rd moves} Qb6 7. Ndf3 Bb4+ 8. Bd2 {The position is equal.} Bd7 $146 ({Predecessor:} 8... Nc6 9. Bxb4 Qxb4+ 10. Qd2 Nge7 11. Bd3 Qxd2+ 12. Kxd2 O-O {0-1 (40) Raja,H (2432)-Werle,J (2556) Karlsruhe 2019}) 9. Bxb4 (9. Bc3 {with more complications.} Nc6 10. Qd2 Nge7 11. Bd3 f6 12. Rb1) 9... Qxb4+ {[%mdl 64] Double Attack} 10. Qd2 Qxd2+ 11. Kxd2 Nc6 12. Rc1 Nge7 13. Bd3 O-O 14. Ne2 f6 15. h4 Rac8 16. Ke3 h6 17. h5 Kh8 18. a3 Na5 19. Nh4 fxe5 20. dxe5 Nb3 (20... Rxc1 $11 {keeps the balance.} 21. Nxc1 Be8) 21. Ng6+ $16 Nxg6 22. Rxc8 Rxc8 23. hxg6 ({Much less strong is} 23. Bxg6 $6 Bb5 $14) 23... Kg8 24. Nd4 Nxd4 (24... Na5 $16 {was necessary.}) 25. Kxd4 {[%mdl 4096] Endgame KRB-KRB} Kf8 (25... Rf8 $142) 26. f4 Ke7 27. g4 a6 (27... Rf8 {might work better.}) 28. f5 $18 Bb5 $2 (28... exf5 29. gxf5 a5) 29. Bxb5 axb5 {KR-KR} 30. b3 {[%cal Bb2b3,Bb3a4,Ba4a5][%mdl 32]} Rc2 {intending ...Rg2.} 31. Rf1 $1 Rg2 32. f6+ Kf8 33. Rf4 b6 {[#]} 34. a4 $1 {[%cal Ra4b5]} bxa4 $2 (34... Rg1 35. axb5 Rg3) 35. bxa4 Rg3 {[#]} 36. a5 $1 {[%cal Ra5b6]} bxa5 37. Kc5 Rb3 38. Rf1 Kg8 {[#]} 39. g5 $1 {[%mdl 512] White mates.} hxg5 40. Kd6 Rb6+ 41. Ke7 Rb7+ 42. Kxe6 Rb6+ 43. Kf5 d4 44. f7+ Kf8 45. Rh1 {Accuracy: White = 72%, Black = 27%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.7"]
[White "Daneshvar, Bardiya"]
[Black "Gholami Orimi, Mahdi"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2327"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,80,33,31,24,31,51,45,39,27,33,17,36,29,25,30,22,14,23,22,0,0,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,0,-16,-16,-17,-17,-20,-31,-129,-131,-154,-126,-216,-148,-349,-214,-234,-233,-249,-241,-345,-330,-1453,-1426,-1203,-1195,-29975,-29976,-29976,-29976,-29981,-29982,-29980,-6191]} 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d5 5. cxd5 Nxd5 6. e4 Nxc3 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} 7. bxc3 e5 8. Nf3 exd4 {White is slightly better.} (8... Nd7 9. Bc4 Bd6 10. Ng5 O-O 11. O-O Be7 12. f4 Bxg5 13. fxg5 Qe7 14. Bd3 exd4 15. cxd4 {½-½ (38) Le,Q (2737)-Iturrizaga Bonelli,E (2650) chess.com INT 2018}) 9. Bc4 {And now Ng5 would win.} d3 10. Bxd3 Qe7 11. O-O Nc6 12. Re1 {Hoping for e5.} O-O-O 13. e5 {aiming for Bg5.} h6 14. a4 $146 ({Predecessor:} 14. Bf4) 14... Kb8 15. Ba3 Qe8 16. Bxf8 Qxf8 17. a5 Nxa5 18. Rxa5 bxa5 19. Rb1 c6 20. Ba6 Rd7 21. e6 $1 {[%cal Re6d7]} Rc7 $1 ({Not} 21... fxe6 $2 22. Ne5 $1 $18 {[%mdl 512]}) 22. Ne5 Ka8 $1 23. Bxb7+ Rxb7 24. Rxb7 Kxb7 25. exf7 $11 {[%mdl 4096] Endgame Black must now prevent Qg6. KQR-KQN} Qd6 26. Ng6 Rd8 {( -> ...Qd1+)} 27. g3 $1 Kc7 {...Qd1+ is the strong threat.} 28. f8=Q ({White should try} 28. Kf1 $15) 28... Rxf8 $17 29. Nxf8 Qxf8 {KQ-KQ} 30. Qa2 (30. Kg2 $17 {might work better.}) 30... Qf5 31. Qg8 $2 (31. h4 $17) 31... Qe5 32. Qf7+ {[#]} Kb6 $1 33. Qb3+ Qb5 34. Qf7 (34. Qd1 {was necessary.}) 34... a4 $19 35. Qxg7 $2 (35. Qf8) 35... a3 36. Qd4+ Ka6 37. c4 Qb1+ {Black mates.} 38. Kg2 a2 39. Qf6 a1=Q 40. Qxc6+ Qb6 {Accuracy: White = 56%, Black = 89%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.8"]
[White "Darini, Pouria"]
[Black "Zahedifar, Anahita"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2427"]
[BlackElo "2082"]
[Annotator "RC"]
[PlyCount "47"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:03:31]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:01]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:05]} c5 {[%emt 0:00:00]} 4. dxc5 {[%emt 0:00:03]} e6 {[%emt 0:00:00]} 5. a3 {[%emt 0:00:05]} Bxc5 {[%emt 0:00:41]} 6. Qg4 {[%emt 0:00:11]} Ne7 {[%emt 0:04:08]} 7. Nf3 {[%emt 0:00:23]} Ng6 {[%emt 0:04:11]} 8. Bd3 {[%emt 0:11:28]} Qc7 {[%emt 0:06:54]} 9. O-O {[%emt 0:15:27]} Nc6 {[%emt 0:07:32]} 10. Re1 {[%emt 0:01:47]} Nce7 {[%emt 0:08:24]} 11. b4 {[%emt 0:12:39]} Bb6 {[%emt 0:01:01]} 12. Nbd2 {[%emt 0:02:47]} Nf5 {[%emt 0:06:34]} 13. c4 {[%emt 0:06:30]} Qd8 {[%emt 0:06:06]} 14. cxd5 {[%emt 0:02:26]} h5 {[%emt 0:06:42]} 15. Qc4 {[%emt 0:08:37]} exd5 {[%emt 0:03:50]} 16. Qc2 {[%emt 0:00:08]} Nge7 {[%emt 0:05:43]} 17. e6 {[%emt 0:00:06]} fxe6 {[%emt 0:02:17]} 18. Bxf5 {[%emt 0:00:13]} exf5 {[%emt 0:00:04]} 19. Nb3 {[%emt 0:01:21]} O-O {[%emt 0:04:47]} 20. Bg5 {[%emt 0:00:35]} Re8 {[%emt 0:00:52]} 21. Qe2 {[%emt 0:02:34]} Qd7 {[%emt 0:02:17]} 22. Nc5 {[%emt 0:02:50]} Bxc5 {[%emt 0:01:51]} 23. bxc5 {[%emt 0:00:03]} Kf8 {[%emt 0:00:07]} 24. Ne5 {[%emt 0:00:29]} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.9"]
[White "Hosseinzadeh, Nima"]
[Black "Pour Agha Bala, Amirreza"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2247"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,75,0,31,0,53,46,68,17,20,-1,0,0,80,74,63,89,54,52,124,135,160,129,175,182,251,219,235,234,460,442,453,445,434,439,722,694,1447,1447,1302,873,906,905,896,890,879,853,962,928,1923,1822,1764,1754,29992,29993,29993,29967]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. a3 {B66: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 h6} (12. Be2 O-O 13. e5 Nd7 14. Qg3 Kh8 15. Qh3 Kg8 16. Rd3 Be7 17. Rg3 Bh4 18. Bxh6 g6 19. Rg4 Bxf2 20. Rf1 Bc5 21. Bg5 Be7 22. Bxe7 Qxe7 23. Qh6 Nxe5 24. Rh4 {1-0 (24) Wang,H (2709)-Ivanchuk,V (2726) Huaian 2017}) 12... Be7 (12... Ba5 $11) 13. Be2 $14 Nd7 {[#]} 14. Qg3 $146 (14. h4 $14) ({Predecessor:} 14. h4 O-O 15. Qg3 Kh8 16. Bc7 Qe8 17. Rhe1 Ra7 18. Bf3 d4 19. Rxd4 e5 20. Rxd7 Bxd7 21. Bxe5 {1-0 (50) Shchekachev,A (2520)-Lomineishvili,M (2385) Smolensk 1997}) 14... Bg5 $11 15. h4 Bxf4+ 16. Qxf4 O-O (16... d4 $11 {remains equal.} 17. Nb1 (17. Rxd4 e5 $11 {[%mdl 64] Double Attack}) 17... e5) 17. g4 $16 d4 18. Nb1 $1 {[%cal Bc3b1,Bb1d2,Bd2f3][%mdl 32]} c5 19. g5 $36 {[%mdl 2048] White is more active.} g6 ({Better is} 19... Bb7 $14) 20. gxh6 Kh7 21. Rdg1 e5 {[#]} 22. Qg3 $1 Bb7 {[#]} (22... Qf6 {keeps fighting.} 23. h5 Rg8) 23. Nd2 $1 $18 Qf6 24. h5 Rae8 $2 (24... g5 25. Bg4 (25. Qxg5 Qxg5 26. Rxg5 Rg8 $16) 25... Nb6 26. Bf5+ {[%mdl 64] Discovered Attack} Kh8) 25. Bc4 g5 26. Nf3 Kh8 27. Nxg5 Qxh6 (27... Nb6 $142) 28. Kb1 Nf6 29. Nxf7+ Rxf7 30. Bxf7 Re7 31. Qg6 Qxg6 32. hxg6+ Kg7 33. f3 a5 34. Rg5 Ba6 {[#]} 35. f4 $1 exf4 36. e5 Ne8 37. Rh7+ Kf8 38. Bxe8 {Accuracy: White = 75%, Black = 24%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.05"]
[Round "7.10"]
[White "Nazari, Arad"]
[Black "Tsomaia, Nikoloz"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2337"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,33,-28,205,168,402,393,418,407,459,451,465,472,29990,29991,29991,29992,29992,29993]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. e5 ({Predecessor:} 5. Nf3 O-O 6. e5 {½-½ (10) Pirrot,D (2415)-Siebrecht,S (2390) Dudweiler 1996}) 5... Nfd7 6. Nf3 O-O 7. h4 c5 8. h5 cxd4 9. hxg6 hxg6 $2 (9... dxc3 $11 {and Black has nothing to worry.} 10. gxf7+ Rxf7) 10. Qxd4 $18 {Threatens to win with f5. B09: Pirc Defence: Austrian Attack} Qa5 $146 (10... Nc6 11. Qf2 e6) (10... Nc6 11. Qf2 dxe5 12. Qh4 Re8 13. fxe5 e6 14. Qh7+ Kf8 15. Bh6 Bxh6 16. Qxh6+ Ke7 17. Qg5+ {1-0 (17) Demidov,M (2520)-Bocharov,D (2533) Khanty-Mansiysk 2018}) 11. b4 dxe5 {[#]} 12. Nd5 $1 {[%cal Rd5e7] White is winning.} ({Weaker is} 12. bxa5 exd4 13. Nd5 Nc6 $17) 12... Qd8 13. fxe5 {Threatening mate with Qh4.} e6 {[#]} 14. Bg5 $1 {And now Qh4 would win.} Qxg5 (14... exd5 $18 15. Bxd8 Rxd8) 15. Nxg5 {[%cal Rd5e7] White mates.} exd5 {[#]} 16. Rh8+ $3 {[%mdl 512]} Bxh8 17. Qh4 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.1"]
[White "Ghaem Maghami, Ehsan"]
[Black "Maghsoodloo, Parham"]
[Result "*"]
[ECO "B31"]
[WhiteElo "2544"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,12,18,27]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 {Predecessor:} 7. c3 $146 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 f6 11. exf6 exf6 12. Nbd2 Re8 13. Nb3 Rxe1+ 14. Qxe1 Nf5 15. Bd2 Bd7 16. Nc5 Qc7 17. Rc1 Re8 {½-½ (48) Aronian,L (2758)-Le,Q (2708) Khanty-Mansiysk 2019} *

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.1"]
[White "Ghaem Maghami, Ehsan"]
[Black "Maghsoodloo, Parham"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2544"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,45,0,0,2,64,55,62,66,78,59,73,35,34,20,31,28,28,22,16,0,7,16,21,19,46,26,18,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 {B31: Sicilian: 2...Nc6 3 Bb5 g6} Bg4 (10... f6 $11) (10... f6 11. exf6 exf6 12. Nbd2 Re8 13. Nb3 Rxe1+ 14. Qxe1 Nf5 15. Bd2 Bd7 16. Nc5 Qc7 17. Rc1 Re8 {½-½ (48) Aronian,L (2758)-Le,Q (2708) Khanty-Mansiysk 2019}) 11. Nbd2 $1 $14 Qc8 $146 ({Predecessor:} 11... Qb6 12. h3 Bxf3 13. Nxf3 f6 14. b3 fxe5 15. dxe5 Nf5 16. Re2 Ng3 17. Rc2 Ne4 {1-0 (33) Grigoryan,K (2570)-Himanshu,S (2514) Badalona 2017}) 12. h3 {White is slightly better.} Bh5 13. Qc2 f6 14. exf6 exf6 15. b3 g5 16. Ba3 Re8 17. Rxe8+ Bxe8 18. Re1 Bg6 19. Qc3 Qa6 20. Bb4 Nf7 21. a4 Nd8 22. Re7 {Strongly threatening Qe3.} Qc8 23. Bc5 {Accuracy: White = 57%, Black = 64%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.2"]
[White "Meshkovs, Nikita"]
[Black "Pourramezanali, Amirreza"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2548"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,18,31,5,10,5,10,12,33,16,20,29,0,-2,25,20,26,12,25,26,33,37,43,22,32,12,14,9,10,0,14,14,14,10,16,11,11,17,16,16,34,43,55,62,54,42,26,27,66,13,96,9,9,9,47,5,5,0,0,0,5,0,0,0,0,0,6,0,8,-8,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. e3 O-O 6. a3 $146 {D35: Queen's Gambit Declined: Exchange Variation} (6. Nf3 c5 7. dxc5 Bxc5 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bd3 Bb4+ 11. Nd2 Nc6 12. O-O Be7 13. a3 Bf6 14. Rb1 Re8 15. Nf3 Bg4 16. h3 Bh5 17. g4 Bg6 18. Bxg6 hxg6 {½-½ (39) Hammer,J (2662)-Akobian,V (2641) Saint Louis 2018}) 6... b6 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Be2 Bb7 10. Bf3 Qa5+ 11. Qd2 Qxd2+ 12. Kxd2 Bxf3 13. Nxf3 c5 14. dxc5 Rd8+ 15. Ke2 bxc5 16. Rac1 Nc6 17. b4 f6 18. Rc4 e5 19. Bg3 Rab8 20. Rhc1 a5 {[%cal Ra5b4]} 21. bxc5 Rb2+ 22. R1c2 Rxc2+ 23. Rxc2 Rd5 24. Nd2 Rxc5 25. Rxc5 Bxc5 $11 {[%mdl 4096] Endgame KBN-KBN} 26. a4 Kf7 27. Kd3 Bb4 28. Nb3 Ke6 29. e4 (29. Kc4 $14) 29... Na7 {[#]} (29... Nd8 $11 {remains equal.}) 30. f4 (30. Kc4 $1 $16) 30... Nc8 $1 31. fxe5 Nb6 32. Nd4+ Kf7 {The position is equal.} 33. e6+ Ke8 34. e5 Nxa4 35. Kc4 Nb6+ 36. Kb5 {[#] Black must now prevent exf6.} Nd5 37. exf6 gxf6 38. Nc6 Ne3 39. Bh4 ({Of course not} 39. Nxa5 Bxa5 40. Kxa5 Ke7 $17) 39... Nxg2 40. Bxf6 Nf4 41. Be5 Nxe6 {Accuracy: White = 43%, Black = 58%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.2"]
[White "Meshkovs, Nikita"]
[Black "Pourramezanali, Amirreza"]
[Result "*"]
[ECO "D31"]
[WhiteElo "2548"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,13,19,21,6,8,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. e3 O-O 6. a3 {D35: Queen's Gambit Declined: Exchange Variation} b6 7. cxd5 {Predecessor:} Nxd5 $146 8. Nxd5 exd5 9. Bd3 c5 10. Nf3 Nc6 11. O-O Be6 12. Bb5 Na5 13. dxc5 bxc5 {1-0 (34) Nakamura,H (2787)-Caruana,F (2795) Saint Louis 2016} *

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.3"]
[White "Timofeev, Artyom"]
[Black "Hosseinzadeh, Nima"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2595"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,129,4,4,7,0,0,1,3,19,0,0,0,9,10,29,28,28,32,32,30,32,22,36,33,26,16,16,6,9,2,26,13,32,16,20,29,22,22,26,16,25,19,37,37,50,42,94,41,107,63,63,52,54,48,50,62,95,85,73,86,208,204,209,195,286,312,312,310,318,295,429,428,427,411,202,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,17,31,31,8,8,8,8,8,135,85,85,31,59,31,46,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. h3 d5 5. exd5 Nxd5 6. Bb5 {C47: Scotch Four Knights and Four Knights with 4 g3} Nxc3 7. bxc3 Bd6 8. O-O O-O 9. Re1 Qf6 10. d3 h6 11. Nd2 Bd7 $146 ({Predecessor:} 11... Qg6 12. Qf3 {½-½ (65) Kovalev,V (2683)-Sanal,V (2490) St Petersburg 2018}) 12. Qh5 Qf5 13. Qxf5 Bxf5 14. Nc4 Rfe8 15. f3 a6 16. Bxc6 bxc6 17. Na5 Bd7 18. Rb1 Rab8 19. Bd2 f6 20. Rb3 f5 21. c4 c5 22. Bc3 Ba4 23. Rxb8 Rxb8 24. Nb3 ({Don't play} 24. Bxe5 Re8 $15) 24... Re8 25. Bb2 a5 26. Bc3 Bc6 27. Nxa5 Ba8 (27... Bd7 $14) 28. Bd2 (28. a4 $16) 28... Kf7 (28... e4 $14) 29. Be3 e4 30. fxe4 fxe4 31. Nb3 exd3 32. cxd3 Re6 33. Re2 Bc6 34. Kf1 Kg8 (34... Re5 $16 {is a better defense.}) 35. Bxc5 $18 {[%mdl 64] [#] Discovered Attack} Rxe2 36. Kxe2 Bxg2 (36... Bg3 {keeps fighting.} 37. Kf1 Kf7) 37. Bxd6 cxd6 {[%mdl 4096] Endgame [#] KB-KN} 38. h4 $1 Kf7 39. a4 g5 (39... g6 $142 40. d4 Bb7) 40. h5 Ke7 41. Nd4 Bh3 42. a5 $2 (42. Kf3 $18) 42... Bg4+ $11 43. Ke3 Kd7 $1 44. a6 Kc7 $1 45. Nb5+ Kb6 $1 46. a7 ({Don't do} 46. Nxd6 $6 Kxa6 47. Nf7 Bxh5 $16) 46... Kb7 47. Nxd6+ Kxa7 48. Nf7 {aiming for d4.} Bxh5 49. Nxh6 Kb6 50. d4 {And now Ke4 would win.} Bg6 51. Ng4 {Black must now prevent Ne5.} Bf5 52. Ne5 Ka5 53. Nc6+ Kb6 54. Ne7 Bb1 (54... Be6 $11 {remains equal.}) 55. Nd5+ Kc6 56. Nc3 (56. Kf3 $16) 56... Bf5 57. Ne4 Be6 58. Nd2 g4 $1 {The position is equal.} 59. Ke4 {d5+ is the strong threat.} Bf7 60. c5 g3 {( -> ...g2)} 61. Kf3 Kd5 62. Nb3 Be8 63. Ke3 g2 64. Kf2 Ba4 65. Na5 {Accuracy: White = 58%, Black = 53%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.3"]
[White "Timofeev, Artyom"]
[Black "Hosseinzadeh, Nima"]
[Result "*"]
[ECO "C47"]
[WhiteElo "2595"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,19,0,6,2,0,0,0,6,0,0,7,-7]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. h3 d5 5. exd5 Nxd5 {The position is equal.} 6. Bb5 {C47: Scotch Four Knights and Four Knights with 4 g3} Nxc3 7. bxc3 Bd6 8. O-O O-O 9. Re1 Qf6 10. d3 {Predecessor:} h6 $146 11. Nd2 Qg6 12. Qf3 {½-½ (65) Kovalev,V (2683)-Sanal,V (2490) St Petersburg 2018} *

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.4"]
[White "Mosadeghpour, Masoud"]
[Black "Darini, Pouria"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2500"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,101,0,0,0,21,0,0,0,0,-10,0,0,0,0,-2,-16,112,121,101,102,153,148,153,150,145,142,131,135,154,118,192,185,204,204,204,203,185,160,161,148,162,107,125,68,85,83,75,70,87,79,56,-10,26,35,32,33,25,12,25,0,0,0,0,0,0,0,3,0,27,24,20,32,26,34,46,38,33,12,204,208,236,218,213,206]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. a4 Be7 10. Be2 O-O 11. O-O {B33: Sicilian: Pelikan and Sveshnikov Variations} Nd7 12. b4 a6 13. Na3 {[#] The position is equal.} b6 $146 ({Predecessor:} 13... a5 14. bxa5 Rxa5 15. Nc4 Ra8 16. Be3 f5 17. a5 f4 18. Bb6 Qe8 {½-½ (54) Caruana,F (2832)-Carlsen,M (2835) London 2018}) 14. Nc4 a5 15. bxa5 bxa5 16. Bd2 Bb7 17. Rb1 Qc8 (17... Ba6 $1 $11) 18. Be1 $1 $16 ({Not} 18. Bxa5 Ba6 $15) 18... Ba6 19. Nxa5 Bd8 (19... Bxe2 $142 20. Qxe2 Re8) 20. Nc6 $1 Re8 21. Bb5 Bxb5 22. axb5 Bb6 23. Bb4 Qc7 24. Ra1 Nf6 (24... Rxa1 $16 25. Qxa1 f5) 25. c4 Ne4 26. Rxa8 Rxa8 27. Qf3 Nc5 28. Bc3 Qb7 29. Bd2 Ra4 30. Qg4 (30. Rc1 $18) 30... Qd7 31. Qxd7 (31. Qe2 $1 $16) 31... Nxd7 $14 32. Bb4 $1 f6 33. Rc1 ({Much weaker is} 33. Bxd6 Rxc4 34. g3 Rc2 $11) 33... Nc5 {[#]} 34. Bxc5 $1 Bxc5 $16 {[%mdl 4096] Endgame KRB-KRN} 35. g3 ({White should try} 35. Nd8 $14) 35... Kf8 36. Nd8 Bb6 $1 {[%cal Rb6d8]} 37. Ne6+ Kf7 38. Rc2 g6 39. c5 dxc5 40. Nxc5 Rb4 41. Nb7 {Strongly threatening Rc6.} Ke7 42. Rc6 Rxb5 43. Kg2 Rb2 44. Re6+ Kd7 45. Rxf6 {Rf7+ is the strong threat.} Ke7 $1 {[%cal Re7f6]} 46. Re6+ Kd7 47. Nd6 {And now Ne4 would win.} Rxf2+ 48. Kh3 {White wants to play Ne4.} Bd4 $2 (48... Re2 $11 {and Black is okay.}) 49. Ne4 $18 {White is clearly better.} Rf7 50. Nf6+ Kc8 {[#]} 51. d6 $1 {Accuracy: White = 70%, Black = 48%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.5"]
[White "Gholami Orimi, Mahdi"]
[Black "Kasparov, Sergey"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2437"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,77,23,20,10,34,42,40,39,36,43,45,43,58,46,50,40,41,27,53,45,59,57,50,45,65,56,64,63,233,234,181,147,658,668,671,665,929,917,922,919,902,889,823,221,220,15,11,-12,0,0,0,0,0,0,0,0,0,0,26,0,0,0,29,0]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. c5 Nbd7 6. Bf4 g6 7. e3 Bg7 8. h3 O-O 9. Bd3 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} (9. Be2 Ne8 10. O-O Nc7 11. Bg3 e5 12. Nxe5 Nxe5 13. dxe5 Qg5 14. Bf4 Qd8 15. Bh2 Re8 16. e4 Bxe5 17. Bxe5 Rxe5 {½-½ (52) Cheparinov,I (2670)-Artemiev,V (2746) Khanty-Mansiysk 2019}) 9... Re8 10. Bh2 Nf8 11. O-O {White is slightly better.} N6d7 12. e4 dxe4 13. Nxe4 Nf6 {[#]} 14. Qb3 $146 ({Predecessor:} 14. Nc3 Be6 15. Re1 Nd5 16. Be4 Nf6 {1-0 (37) Kazhgaleyev,M (2606)-Zatonskih,A (2432) Port Erin 2006}) 14... Ra7 15. Neg5 Nd5 16. Bc4 Ne6 17. Nxe6 Bxe6 18. Rfe1 Bf6 19. Ne5 Qc8 20. Re2 Bxe5 21. Rxe5 Nc7 $2 {[#]} ({Black should play} 21... f6 $14 22. Re4 Bf7) 22. Rxe6 $1 $18 Nxe6 23. Re1 $36 {[%cal Re1e6][%mdl 2048] Strongly threatening Rxe6. White has strong initiative.} Nxd4 $2 {[%mdl 8192]} (23... Nd8 $16) 24. Bxf7+ {[%mdl 64] Double Attack} Kf8 25. Qc4 Rd8 {next ...Qf5 is good for Black.} 26. Bf4 {[%cal Rf4h6]} e6 27. Bxe6 Nxe6 28. Rxe6 {Rf6+ would kill now.} Rd5 29. Rf6+ $2 (29. Qe4 b5 30. cxb6) 29... Kg8 {[#]} 30. Bh6 $2 (30. Rd6 $1 $18 {[%cal Rd6d5]} Qf8 31. Rxd5 cxd5 32. Qxd5+ Qf7 33. Qd8+ Qf8 34. Qc7) 30... Ra8 $11 31. Qc3 {White threatens Rxg6+! and mate.} Qd7 32. Re6 Rd8 33. Qe3 {Threatens to win with Re7.} Kf7 34. Re4 $1 Re8 {aiming for ...Rxe4.} 35. Qf3+ Rf5 36. Qb3+ Rd5 37. Qf3+ (37. Rb4 $5 {[%cal Rb4b7]} Qe6 38. Rxb7+ Re7 39. Rxe7+ Qxe7 40. Be3 $11) 37... Rf5 38. Qb3+ Rd5 39. Qf3+ {Accuracy: White = 67%, Black = 55%.} (39. Rb4 $5 {[%cal Rb4b7]} Qe6 40. Rxb7+ Re7 41. Rxe7+ Qxe7 42. Be3 $11) 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.6"]
[White "Mousavi, Seyed Khalil"]
[Black "Daghli, Arash"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2501"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,15,25,47,50,58,59,65,57,114,79,68,62,83,44,31,8,5,16,23,16,10,0,0,0,23,6,8,28,7,37,44,47,51,11,23,40,142,146,145,116,110,107,116,89,89,89,88,93,60,48,48,0,0,0,48,49,233,219,811,803,881,834,29981,29977,29989,29990,29990,29991]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6 7. Bh4 c5 8. d5 e6 9. Nf3 exd5 10. cxd5 Bg4 {A72: Modern Benoni: Classical: Lines with Bg5} (10... g5 11. Bg3 Nh5 12. Nd2 Nxg3 13. hxg3 Nd7 14. Nc4 Nf6 15. a4 b6 16. Qc2 Re8 17. O-O a6 18. Rfe1 Rb8 19. Ne3 Qe7 20. Bd3 h5 21. e5 dxe5 {1-0 (58) Wang,Y (2716)-Ding,L (2749) Danzhou 2015}) 11. Nd2 Bxe2 12. Qxe2 Re8 {White is slightly better.} 13. O-O Na6 (13... Nbd7 $14) 14. f4 $146 ({Predecessor:} 14. f3 Nc7 15. Qd3 Rb8 16. a4 b6 17. Nb5 Nxb5 18. axb5 {0-1 (44) Sena Moura,D (1857)-Nery Junior,J (2153) Florianopolis 2016}) 14... Qd7 15. Kh1 Nb4 16. Qd1 b5 17. Bxf6 Bxf6 18. e5 dxe5 19. Nde4 {[%mdl 64] Double Attack} Bg7 $1 20. Nxc5 Qd6 21. N5e4 Qd7 22. Qb3 Na6 23. d6 exf4 24. Rxf4 {Black must now prevent Raf1.} Re6 25. Nd5 $1 {[%cal Rd5f6]} (25. Qxb5 $2 Qxb5 26. Nxb5 g5 $17) ({Don't blunder} 25. Nxb5 $2 g5 $19) 25... Kh8 $1 {...f5 is the strong threat.} 26. Ne7 $1 f5 $1 {[%cal Rf5e4]} 27. Ng5 $1 ({Don't go for} 27. Qd5 $2 Rf8 $19) 27... Rxe7 (27... Nc5 $14 28. Qf3 Rxe7 29. dxe7 Re8) 28. dxe7 $16 Nc5 29. Nf7+ Kh7 30. Qe3 Ne4 31. Rxe4 fxe4 32. Qxe4 Re8 33. Re1 {Strongly threatening Qe6.} Bxb2 34. h4 {Threatens to win with h5.} Bf6 {[%cal Re8e7]} 35. Qf4 Bg7 36. Qe4 $40 {[%mdl 128] Hoping for h5. White attacks.} Bf6 $1 {[%cal Re8e7]} 37. Qe3 Bg7 $2 (37... Kg8 $14 38. Qxh6 Rxe7 39. Qxg6+ {[%mdl 64] Double Attack} Kf8) 38. Qe6 $18 Qd4 $2 {[#]} (38... Qxe6 39. Rxe6 Bf6) 39. Re4 $1 {[%cal Re4d4]} Qa1+ 40. Kh2 Bd4 {[#]} 41. Nd6 $1 {[%mdl 576] Double Attack. White mates.} Qg1+ {[#]} 42. Kh3 $1 {[%mdl 512]} Qh1+ {[#]} 43. Kg3 $1 {[%mdl 512] Accuracy: White = 78%, Black = 44%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.7"]
[White "Veisi, Bardia"]
[Black "Tahbaz, Arash"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2316"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,66,27,31,35,38,39,6,13,11,14,0,0,-86,-92,-91,-96,-101,-96,-122,-109,-122,-49,-64,-52,-62,-42,-75,-83,-91,-72,-54,-45,-39,-37,-83,-97,-95,-73,-114,-70,-162,-148,-282,-276,-531,-473,-773,-743,-776,-768]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Bg4 6. Be2 O-O 7. O-O Nfd7 8. Be3 Nc6 9. Ne1 Bxe2 10. Nxe2 Na5 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} (10... e5 11. d5 Ne7 12. Nd3 f5 13. f3 Nf6 14. Nc3 Qd7 15. Nf2 Nh5 16. Qa4 Qxa4 17. Nxa4 Nf4 18. Rfe1 fxe4 19. fxe4 {1-0 (55) Khalifman,A (2613)-Kanep,M (2509) Tallinn 2015}) 11. b3 c5 12. Nc2 $146 ({Predecessor:} 12. Rc1 cxd4 13. Bxd4 Nf6 14. f3 Nc6 15. Be3 Qa5 16. Nd3 Nd7 17. Rc2 Nc5 18. Kh1 {½-½ (27) Polschikov,A (2398)-Kozionov,K (2456) Voronezh 2018}) 12... a6 {The position is equal.} 13. Nc3 Nc6 14. Qd2 Qa5 15. a3 (15. Rab1 $11 {keeps the balance.}) 15... Qb6 $17 {[%cal Rc5d4]} 16. Nd5 Qxb3 17. Rab1 Qxc4 {And now ...e6 would win.} 18. Rfc1 {[#]} Qa4 $1 {[%cal Rc5d4]} 19. dxc5 Qxe4 ({Reject} 19... Nxc5 $6 20. Bxc5 dxc5 21. Nb6 $11) (19... e6 $17 20. Nc7 Rab8 21. cxd6 Qxe4) 20. cxd6 $15 exd6 21. Rxb7 Nc5 22. Bxc5 dxc5 23. Nce3 {[#]} Nd8 $1 {[%cal Rd8b7]} 24. Re7 Qd4 25. Qc2 Ne6 26. Nc7 Qd8 {Played: Qd4-d6} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.8"]
[White "Khazaei, Parviz"]
[Black "Nazari, Arad"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1996"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,65,21,30,30,30,43,46,21,20,36,45,0,3,0,22,0,0,-1,0,0,4,0,0,-77,0,-62,-57,-439,-108,-619,-614,-839,-791,-1663,-1663,-29991,-29992,-29992,-6207,-29994,-29995,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. O-O Nc6 10. f3 Be6 11. Nd5 {B92: Sicilian Najdorf: 6 Be2} Bxd5 12. exd5 Nb8 (12... Nb4 13. c4 a5 14. a3 Na6 15. Bd3 Nd7 16. Qc2 g6 17. g3 f5 18. Rae1 a4 {1-0 (35) Andyka,P (2213)-Peng,X (2424) Bangkog 2018}) 13. c4 {White is slightly better.} Nbd7 14. Qd2 b6 15. Rfd1 Nh5 $146 ({Predecessor:} 15... Nc5 16. Qc2 Nh5 17. Qd2 h6 {½-½ (53) Sangma,R (2214)-Sanchit,A (2004) Goa 2002}) 16. Nc1 a5 17. Nd3 f5 18. b3 f4 19. Bf2 Bg5 {aiming for ...e4!} 20. Qc2 Bh4 21. a3 (21. Bxh4 $11 {keeps the balance.} Qxh4 22. Nf2) 21... Qg5 ({Black should play} 21... Bg3 $17) 22. b4 ({Better is} 22. Bxh4 $11 Qxh4 23. Nf2) 22... Bg3 $15 23. Qd2 $2 {[%mdl 8192] [#]} (23. Be1 $15) 23... Qh4 $2 (23... Bxh2+ $1 $19 {[%mdl 512]} 24. Kxh2 Ng3 25. Bxg3 fxg3+ 26. Kg1 (26. Kh3 $2 Rf4 $19) 26... Qh4) 24. hxg3 $4 {[%mdl 8192]} (24. Bxg3 $17 fxg3 {[%mdl 64] Discovered Attack} 25. h3) 24... fxg3 $19 25. Be3 e4 26. Ne1 Ne5 27. bxa5 {[#]} Ng4 $1 {[%mdl 512]} 28. Bd3 (28. fxg4 Qh2#) 28... exd3 (28... Rae8 $142 29. f4 Qh2+ 30. Kf1 exd3 31. Bg1 Rxf4+ 32. Qxf4 Nxf4 33. Rd2 Re2 34. axb6 {[#]} Qh1 $1 {[%mdl 512]} 35. Rxe2 dxe2#) 29. Qxd3 Rae8 {Black mates.} 30. Nc2 Qh2+ 31. Kf1 Qh1+ 32. Ke2 Qxg2+ {[%mdl 64] Double Attack} 33. Ke1 Qf2# {Accuracy: White = 20%, Black = 58%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.9"]
[White "Pour Agha Bala, Amirreza"]
[Black "Kashefi, Amir Hosein"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2420"]
[BlackElo "2223"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,161,25,-11,-2,0,18,22,12,27,11,14,20,0,0,0,0,0,34,33,23,19,25,33,34,29,36,33,50,62,50,15,34,12,12,10,10,5,17,11,26,8,11,11,8,10,11,9,8,0,0,0,10,0,0,0,0,0,0,0,0,4,40,40,45,45,48,40,40,40,45,45,45,34,40,34,63,40,45,35,40,40,51,51,51,39,39,39,52,51,59,49,49,49,62,48,62,34,48,39,54,29,29,0,0,0,0,0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. O-O Bf5 5. d3 e6 6. Nfd2 Bc5 {A07: Réti Opening: New York and Capablanca Systems} (6... h6 7. e4 Bh7 8. Nc3 Be7 9. f4 O-O 10. g4 dxe4 11. dxe4 Na6 12. Qe2 Nc5 13. Kh1 Qb6 14. Nc4 {½-½ (43) Hera,I (2610)-Almasi,Z (2687) Ajka 2019}) 7. e4 dxe4 8. dxe4 Bg4 9. Qe1 e5 10. Nc4 $146 ({Predecessor:} 10. Nb3 Bb6 11. Na3 Be6 12. Qc3 Nbd7 13. Nc4 Bxc4 14. Qxc4 {½-½ (35) Neckar,L (2319)-Kakageldyev,A (2373) Marianske Lazne 2016}) 10... Nbd7 11. Nbd2 Be6 12. Qe2 O-O 13. Nb3 Bxc4 (13... Be7 {keeps more tension.} 14. Bd2 Qc7 15. a4 Rfd8 16. Rfd1 b6) 14. Qxc4 Bb6 15. a4 a5 16. Qe2 Qe7 17. Nd2 Rfd8 18. Nc4 Bc5 19. Bd2 b6 20. Kh1 Ne8 21. f4 Nd6 22. Nxe5 Nxe5 23. fxe5 Qxe5 24. Bc3 Qe6 $1 25. b3 f6 26. e5 Nf7 $1 {[%cal Rf7e5]} 27. Rae1 {[%cal Re5f6]} Nxe5 28. Bxe5 fxe5 29. Qh5 Bd4 30. c3 g6 31. Qg5 Bxc3 32. Rf6 $1 {[%cal Rf6e6]} Bd2 {[#] And now ...Qd7 would win.} 33. Rxe6 Bxg5 34. Bxc6 Ra7 35. R1xe5 Bh6 36. Bd5 Kh8 37. Rxb6 Bg7 38. Re4 Bf8 39. Bc4 Kg7 40. Kg2 Rd2+ 41. Kh3 Bc5 42. Rb5 (42. Rbe6 {is interesting.} Rad7 43. Re2 h5 44. Kg2 Bb4 45. h3) 42... Bg1 43. Be2 Bd4 44. Kg4 Bc3 45. h4 Rd4 46. Rxd4 Bxd4 $14 {[%mdl 4096] Endgame KRB-KRB} 47. h5 Bc3 48. hxg6 Kxg6 49. Bd3+ Kg7 50. Rg5+ Kh8 51. Rc5 Be1 52. Rc8+ Kg7 53. Rc1 Bd2 54. Rc2 Be1 55. Kh5 Rd7 56. Be4 Re7 {[#] aiming for ...Re5+.The position is equal.} 57. Bf5 Bxg3 58. Rg2 Kf6 59. Rxg3 $11 {KRB-KR} Re5 60. Kh6 Kxf5 61. Kxh7 {KR-KR} Kf4 62. Rg6 Ke4 63. Kg7 Kd4 64. Rb6 Rf5 65. Kg6 Rf1 66. Rb5 Kc3 67. Kg5 Kb2 68. b4 axb4 69. Rxb4+ Kc3 70. Rf4 (70. Rb8 {with more complications.} Ra1 71. Ra8 Kb3 72. a5 Kb4 73. Rb8+) 70... Rxf4 71. Kxf4 {White threatens a5 and mate. KP-K} Kb4 72. Ke3 Ka5 73. Kd3 Kb4 74. Kc2 Kc4 75. Kb2 Kb4 76. Ka2 Ka5 77. Kb2 Kb4 78. a5 {[%cal Ba4a5,Ba5a6,Ba6a7,Ba7a8][%mdl 32] White wants to mate with a6.} Kb5 79. a6 Kb6 80. a7 Kb7 81. a8=N {Accuracy: White = 72%, Black = 75%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.06"]
[Round "8.10"]
[White "Bashirli, Nail"]
[Black "Cheraghi, Amin"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2383"]
[BlackElo "2211"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,65,23,0,0,-33,47,71,207,192,179,184,227,224,214,202,264,218,353,339,306,175,435,418,754,756,791,608,552,0,793,786,785,780,1283,1047,1024,1001,966,950,29987,29988,29995,29990]} 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 Qb6 {B19: Classical Caro-Kann: 4...Bf5 main line} 14. c4 (14. Ne5 Rd8 15. Qe2 O-O 16. Bc1 c5 17. Nxd7 Rxd7 18. dxc5 Qxc5 19. Rxd7 Nxd7 20. Ne4 Qc6 21. Rh3 {0-1 (55) Ponomariov,R (2675)-Esipenko,A (2624) Khanty-Mansiysk 2019}) 14... Rd8 (14... O-O $15) 15. Nh4 $14 O-O $146 {[#]} (15... Bb4 $16) ({Predecessor:} 15... Qa6 16. Rhe1 Ng4 17. Nhf5 exf5 18. Nxf5 Nde5 19. Qe2 Qxc4 20. Qxc4 Nxc4 21. Rxe7+ {½-½ (60) Frischmann,R (2306)-Winterberg,L (2375) Germany 2018}) 16. Ngf5 $1 $18 {[%mdl 512]} exf5 17. Nxf5 Kh8 {[#] ...Rfe8 is the strong threat.} 18. Qg3 $1 {[%csl Gf5][%cal Rg3g7]} ({Weaker is} 18. Nxe7 Ne5 $16) 18... Ne8 {And now ...Bf6 would win.} 19. Nxe7 Qxd4 {aiming for ...Qe4+.} 20. Rhe1 Qc5 (20... Qb6 $142 21. Bc3 Ndf6) 21. Bc3 Nef6 22. Bd4 (22. b4 $142 Qg5 23. Qxg5 hxg5 24. Nf5) 22... Qa5 $2 {[#]} (22... Qg5 {was called for.} 23. Qxg5 (23. Bxa7 Qxg3 24. fxg3 Rfe8 $14) 23... hxg5) 23. c5 $1 {[%mdl 512]} Rfe8 {[#]} (23... Nxc5 $142 24. Bxf6 Ne6) 24. Nf5 $1 {[%csl Gf5][%cal Rg3g7][%mdl 512]} Rg8 25. Qf4 Rge8 {[#]} 26. Rxe8+ {Played: Qf4-g3} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.1"]
[White "Maghsoodloo, Parham"]
[Black "Meshkovs, Nikita"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2664"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,22,16,42,49,54,54,57,25,58,59,56,60,56,47,47,52,50,52,55,54,62,69,74,35,43,39,52,42,71,47,70,37,144,146,139,141,88,110,116,133,192,169,246,247,248,249,250,250,290,141,123,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nf3 Nf6 3. g3 a6 4. Bg2 b5 5. b3 Bb7 6. Nc3 c6 {A13: English Opening: 1...e6} 7. d4 d5 8. O-O Nbd7 {White is slightly better.} 9. Qc2 $146 ({Predecessor:} 9. c5 b4 10. Na4 a5 11. a3 bxa3 12. Bxa3 Be7 13. Nd2 O-O 14. Re1 {1-0 (43) Cvitan,O (2510)-Georgiev,K (2605) Vrsac 1987}) 9... Be7 10. c5 O-O 11. a3 a5 12. Bd2 Re8 13. b4 Bf8 14. Rad1 Qe7 15. Bf4 axb4 16. axb4 Ra6 17. h3 Rea8 18. Rfe1 Ra3 19. g4 h6 20. Bc1 R3a6 21. Nd2 e5 (21... R6a7 $14) 22. e4 $16 exd4 23. exd5 Qd8 24. dxc6 Bxc6 25. Bxc6 dxc3 (25... Rxc6 $16 26. Nxb5 Nd5) 26. Bxd7 $1 $18 ({Resist} 26. Bxb5 $6 cxd2 27. Qxd2 Ra2 $16) 26... cxd2 (26... Qxd7 {was called for.} 27. Qxc3 Rd8) 27. Qxd2 Ra2 28. Qf4 Nxd7 {[#]} 29. c6 $1 R2a7 30. Be3 ({Inferior is} 30. cxd7 Rxd7 31. Rxd7 Qxd7 $15) (30. Qf5 $18 {is the precise move to win.}) 30... Qf6 $16 ({Don't go for} 30... g5 $2 31. Qf5 $18) 31. Rxd7 ({White should try} 31. cxd7 $16 {And now Qxf6 would win.} Qxf4 32. Bxf4) 31... Ra1 $1 $11 {[%cal Ra1e1] The position is equal.} 32. Rxa1 Rxa1+ 33. Kh2 {[#] Black must now prevent Qxf6.} Rh1+ $1 34. Kg3 Rg1+ 35. Kh2 {White threatens Qxf6 and mate.} Rh1+ $1 36. Kg3 {Threatening mate with Qxf6.} Rg1+ 37. Kh2 {Accuracy: White = 67%, Black = 51%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.2"]
[White "Pourramezanali, Amirreza"]
[Black "Mosadeghpour, Masoud"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2478"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,90,73,89,32,65,16,18,24,26,29,28,-16,-7,-9,10,6,3,0,0,0,4,-32,-33,-33,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-30,-29,-29,-29,-45,-29,-33,-34,-44,-31,-52,-41,-52,-52,-54,-48,-50,-27,-62,-28,-28,-27,-27,-25,-58,-46,-46,-46,-47,-39,-39,-36,-58,-49,-46,0,-58,0,-44,0]} 1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 g6 5. h3 Bg7 6. Nf3 O-O 7. O-O Nc6 8. d5 Na5 9. Nbd2 {B07: Pirc Defence: Miscellaneous Systems} ({White should try} 9. Na3 $16) (9. Be3 e6 10. dxe6 Bxe6 11. Nbd2 Re8 12. Re1 h6 13. Qc2 Rc8 14. Bb5 Re7 15. Rad1 a6 {½-½ (15) Savic,M (2519)-Popovic,D (2518) Valjevo 2018}) 9... e6 $146 ({Predecessor:} 9... b6 10. Qe2 e6 11. Nc4 Nxc4 12. Bxc4 exd5 13. exd5 Re8 14. Qd1 a6 15. a4 Bd7 16. Be3 b5 {0-1 (41) Zlatin,A (1992)-Bronstein,O (2118) Kiryat Ono 2015}) 10. c4 exd5 11. cxd5 {The position is equal.} Re8 12. Re1 c4 13. Nxc4 Nxc4 14. Bxc4 Rxe4 15. Rxe4 Nxe4 16. Qe2 Nf6 17. Bf4 Bf5 18. g4 Be4 19. Bg5 h6 {[#] Strongly threatening ...Bxf3.} 20. Bxf6 Bxf3 $1 21. Bxd8 Bxe2 22. Bxe2 {aiming for Bc7.} Rxd8 $11 {[%mdl 4096] Endgame KRB-KRB} 23. Rc1 Bxb2 24. Rb1 Bd4 25. Rxb7 Rc8 {...Rc2 is the strong threat.} 26. Rb4 Rc1+ 27. Kg2 Bc5 28. Re4 Kf8 29. Bb5 Rd1 30. Bc4 Rd2 31. Rf4 Rc2 32. Bb3 Rb2 33. h4 Kg7 34. h5 a5 35. Kf1 Rb1+ 36. Kg2 Re1 37. hxg6 fxg6 38. a4 Rb1 39. Bc2 Rb2 40. Rc4 Kf6 41. f4 Ra2 42. Rc3 Bd4 43. Rc4 $1 Bc5 44. Rc3 Bd4 45. Rc4 $1 Bc5 {Accuracy: White = 59%, Black = 61%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.3"]
[White "Tahbaz, Arash"]
[Black "Ghaem Maghami, Ehsan"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2476"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,98,19,18,18,22,53,25,54,37,53,0,8,0,0,19,7,22,60,53,43,27,33,38,30,0,0,0,0,0,0,0,0,0,0,0,0,-7,-7,-9,-14,-55,0,-79,-41,-104,-107,-118,-118,-123,-125,-127,-123,-131,-127,-160,-176,-168,-168,-328,-274,-303,-315,-304,-229,-212,-154,-154,-154,-154,-161,-641,-641,-614,-606,-753,-739,-709,-635,-974,-953,-874,-871,-821,-818]} 1. e4 c5 2. Nf3 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. O-O O-O 8. Re1 Bc7 9. exd5 exd5 {A08: King's Indian Attack} (9... Nxd5 10. Nb3 b6 11. c4 Nde7 12. d4 Ba6 13. dxc5 Bxc4 14. Be3 Bd5 15. Rc1 Rb8 16. cxb6 Bxb6 17. Bf4 {0-1 (25) Warakomski,T (2490)-Edouard,R (2686) Warsaw 2012}) 10. d4 c4 11. Nf1 h6 {White has an edge.} 12. c3 Be6 13. Bd2 $146 ({Predecessor:} 13. Be3 b5 14. Qd2 Qd7 15. Bf4 Rab8 16. Bxc7 Qxc7 17. Nh4 {1-0 (40) Augustin,J-Smejkal,J Bratislava 1967}) 13... Nf5 14. Qc1 Re8 15. Bf4 Bxf4 16. Qxf4 g5 17. Qd2 Nd6 18. Ne5 f6 19. Nxc6 bxc6 20. h4 Kg7 21. hxg5 hxg5 22. Re2 Qd7 23. Rae1 Bf5 24. Rxe8 Rxe8 25. Ne3 Bg6 26. Qd1 Ne4 27. Qc1 Rb8 28. Nf1 Nd6 (28... a5 $15) 29. f3 (29. Nd2 $11 {remains equal.}) 29... Qb7 30. Re2 ({White should try} 30. Re6 $15 Nf7 31. f4) 30... Bd3 $17 31. Rf2 Re8 32. g4 Qe7 33. Ng3 {[#]} Qe1+ $1 34. Qxe1 Rxe1+ 35. Kh2 Ra1 36. a3 Rb1 37. Nf1 $2 {[#]} (37. Bh3) 37... Nc8 38. Ne3 Nb6 39. Rd2 Re1 40. Nd1 Re2 $36 {[%mdl 2048] Keeping White busy.} 41. Rxe2 Bxe2 {[%mdl 4096] Endgame KBN-KBN} 42. Ne3 Na4 43. Nc2 $2 (43. Kg1) 43... a5 $19 {Black is clearly winning.} 44. Kg3 Nxb2 45. Kf2 Bd3 46. Ne3 Na4 47. Nd1 Bc2 48. Ne3 Bb3 49. Nf5+ Kf8 {Accuracy: White = 46%, Black = 77%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.4"]
[White "Kasparov, Sergey"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2464"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,0,0,0,0,0,0,0,0,0,3,0,7,-8,0,-10,0,0,0,0,0,0,24,13,11,10,12,6,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. d4 Nc6 5. Nxc6 (5. Nf3 Nxe4 6. Be2 d5 7. O-O Bg4 8. c4 O-O-O 9. cxd5 Nb4 10. Re1 f5 11. Nc3 Nxd5 12. Bd3 {1-0 (44) Morozevich,A (2665)-Timofeev,A (2569) Serpukhov 2018}) 5... Qxe4+ 6. Qe2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Qxe2+ 7. Bxe2 {[#] aiming for Ne5.} dxc6 8. O-O Be6 9. Nd2 O-O-O 10. Nf3 h6 11. c3 c5 $146 ({Predecessor:} 11... Bd6 12. Re1 {½-½ (46) Lanin,B (2096)-Rakhimov,R (2161) ICCF email 2014}) 12. Bf4 Bd6 13. Bxd6 cxd6 14. a3 g5 15. Rfe1 g4 16. Nd2 cxd4 {The position is equal.} 17. cxd4 h5 18. Rac1+ Kb8 19. Bc4 Bxc4 20. Nxc4 Nd5 21. g3 a6 22. Ne3 Nxe3 23. fxe3 $11 {[%mdl 4096] Endgame KRR-KRR} h4 24. gxh4 Rxh4 25. Re2 Re8 26. Rf1 Rh3 27. Rxf7 Rhxe3 28. Rxe3 Rxe3 {KR-KR} 29. Rg7 Re4 30. d5 Rd4 31. b4 a5 32. bxa5 Rxd5 33. Rxg4 Rxa5 34. a4 b5 35. axb5 Rxb5 36. Rg7 Kc8 {Accuracy: White = 67%, Black = 74%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.5"]
[White "Hosseinzadeh, Nima"]
[Black "Mousavi, Seyed Khalil"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2247"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,29,56,23,29,24,32,34,56,45,55,47,59,45,48,52,64,64,49,48,60,12,0,0,0,0,30,26,37,21,45,10,15,-23,0,0,35,0,0,-25,-22,-25,-20,-15,-6,-29986,-29987,-29987,-29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 g6 6. d4 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann} exd4 7. cxd4 b5 8. Bc2 {White is slightly better.} d5 9. exd5 Nb4 10. Bb3 Bg7 11. O-O Nbxd5 12. Bg5 (12. Nc3 O-O 13. Re1 h6 14. h3 Nxc3 15. bxc3 Bb7 16. Ne5 {½-½ (40) Caruana,F (2816)-Giri,A (2782) Leuven 2018}) 12... h6 $146 ({Predecessor:} 12... Qd6 13. Nbd2 O-O 14. Ne4 Qb6 15. Qd2 Kh8 16. Bxe7 Nxe7 {1-0 (57) Motylev,A (2648)-Panarin,M (2558) St Petersburg 2015}) 13. Bh4 g5 14. Bg3 O-O 15. Nbd2 Ng6 16. Re1 Ndf4 17. h4 gxh4 18. Nxh4 Nh3+ 19. gxh3 Nxh4 20. Qh5 Nf5 $1 {[%cal Rf5g3]} 21. Bf4 a5 22. Nf3 {Threatens to win with Kh2.} Nxd4 23. Nxd4 (23. Rad1 $5 {[%cal Rd1d4]} Nxf3+ 24. Qxf3 $11) 23... Qxd4 {[%mdl 64] [#] Double Attack} 24. Bxh6 {Hoping for Re3.} (24. Be3 $5 {[%cal Re3d4]} Qd7 25. Bc5 Qxh3 26. Qxh3 Bxh3 27. Bxf8 Kxf8 28. Rac1 $11) 24... Ra6 25. Bg5 {aiming for Re7.} Qd3 $1 $36 {[%mdl 2048] And now ...a4 would win. White is under pressure.} 26. Rac1 ({But not} 26. Re8 $2 Rg6 $19) 26... Bd4 {Strongly threatening ...Qg3+.} 27. Rcd1 $2 {[%mdl 8192]} (27. Kh2 $11 Bxf2 {[#]} 28. Bxf7+ $1 {[%mdl 512]} Rxf7 29. Re8+ {[%mdl 64] Double Attack} Kg7 30. Bf4 Qxh3+ 31. Qxh3 Bxh3 32. Be5+ Kh7 33. Kxh3) 27... Qg3+ $1 {[%mdl 64] Double Attack} 28. Kh1 Bb7+ {Accuracy: White = 71%, Black = 82%.} 0-1

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.6"]
[White "Nazari, Arad"]
[Black "Gholami Orimi, Mahdi"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2337"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,97,16,26,0,0,0,0,7,10,-12,-8,-20,-20,-24,-24,-22,-22,-28,-28,-31,-30,-43,-29,-91,-104,-77,-102,-72,-33,-37,-31,-39,-43,-42,-38,-28,-19,-26,-27,-47,-59,-45,-47,-48,-47,-41,-41,-78,0,0,0,0,0,0,0,0,8,8,8,8,18,8,8,8,8,8,8,8,8,0,8,8,8,8,68,68,60,18,19,18,25,8,8,8,8,8,8,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. e5 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (7. c3 O-O 8. h3 f5 9. e5 Nf7 10. d3 d6 11. Bf4 Ba6 12. Na3 Rb8 13. Qd2 dxe5 14. Nxe5 Nxe5 15. Bxe5 Bxe5 16. Rxe5 Qxd3 {1-0 (50) Amin,B (2686)-Guseinov,G (2667) Hoogeveen 2018}) 7... O-O 8. d3 f6 9. exf6 Rxf6 $146 ({Predecessor:} 9... exf6 10. Nbd2 Nf7 11. b3 f5 12. Rb1 d6 13. Bb2 Bxb2 14. Rxb2 Qf6 {0-1 (32) Haring,V (2320)-Gazik,V (2477) Liptovsky Mikulas 2018}) 10. Nc3 d6 11. h3 Nf5 12. Ne4 Rf8 13. c3 e5 14. Bg5 Qc7 15. Qc1 a5 16. Nh2 Ba6 17. g4 (17. c4 $11) 17... Bxd3 $17 18. gxf5 gxf5 19. Nd2 f4 20. Kh1 Qd7 {[#] Strongly threatening ...h6.} 21. Rg1 Qxh3 22. Qd1 ({Don't play} 22. Be7 Rf7 $17) 22... Ra7 {aiming for ...h6.} 23. Qg4 Qxg4 $1 24. Nxg4 Kf7 25. Bh6 Bxh6 26. Nxh6+ Ke6 27. f3 $1 Rb8 28. b3 a4 29. Ng4 axb3 (29... Bg6 $17) 30. axb3 $11 Rba8 31. Rxa7 Rxa7 32. Nf2 Ra2 33. Nde4 Bxe4 34. Nxe4 {[%mdl 4096] Endgame KRN-KR} Ra5 35. Ng5+ Kf5 36. Nxh7 Ra3 37. Rg5+ Ke6 38. Rg6+ Ke7 39. Rg7+ Ke6 40. Rg6+ Ke7 41. Ng5 {Hoping for Ne4.} Rxb3 42. c4 Rb1+ (42... Rb4 $11) 43. Kg2 $14 Rc1 44. Ne4 (44. Kh3 $5 {[%cal Rh3g4]}) 44... d5 45. Nxc5 {Black must now prevent Re6+.} Rxc4 46. Rxc6 e4 {The position is equal.} 47. fxe4 dxe4 48. Re6+ Kf7 49. Rxe4 {Accuracy: White = 53%, Black = 80%.} 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.7"]
[White "Darini, Pouria"]
[Black "Rastbod, Ali"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2427"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,35,40,20,26,16,20,0,123,123,130,136,135,131,144,145,162,174,221,206,431,421,510,536,550,523,532,529,766,760,709,763,762,745,682,553,789,702,991,955,1154,1142]} 1. Nf3 d5 2. c4 d4 3. b4 g5 4. Bb2 Bg7 5. Nxg5 e5 6. Nh3 $146 {A09: Réti Opening: 1 Nf3 d5 2 c4} ({Predecessor:} 6. Ne4 f5 7. Nc5 b6 8. Nd3 Bb7 9. e3 Qh4 10. exd4 exd4 {½-½ (42) Duda,J (2724)-Bartel,M (2604) Warsaw 2018}) 6... c5 7. b5 Be6 8. d3 {The position is equal.} Qh4 (8... a6 $11) 9. Nd2 Nf6 10. g3 Qh6 11. Bg2 Nbd7 12. Ng1 Rb8 13. Bc1 Qg6 14. Ngf3 O-O $2 (14... Bh6 15. Qa4 O-O 16. Qxa7 b6) 15. Nh4 $18 {White is clearly winning.} Qh5 16. Bf3 Bg4 {[#]} 17. h3 $1 {[%cal Rh3g4]} Bxf3 18. Ndxf3 e4 19. g4 Nxg4 20. hxg4 Qxg4 21. Rg1 Qe6 22. Ng5 Qf6 23. dxe4 d3 24. Rb1 dxe2 25. Qxe2 {Accuracy: White = 74%, Black = 24%.} 1-0

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.8"]
[White "Daghli, Arash"]
[Black "Hamidi, Amir Mohammad"]
[Result "1/2-1/2"]
[ECO "E03"]
[WhiteElo "2387"]
[BlackElo "2254"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,38,4,-19,-22,-19,-25,-15,-14,-13,-29,-29,-14,-20,-4,-14,-4,-31,0,-28,-31,-30,-28,-25,-33]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Nf3 a6 8. Qc2 b6 9. O-O Bb7 {E03: Open Catalan: 5 Qa4+ Nbd7 6 Qxc4} 10. Rd1 (10. Nc3 cxd4 11. Nxd4 Bxg2 12. Kxg2 Bc5 13. Rd1 Qc8 14. e4 O-O 15. Qe2 Qb7 16. f3 Ne5 17. Bf4 {0-1 (40) Matlakov,M (2700)-Duda,J (2738) St Petersburg 2018}) 10... Rc8 11. Nc3 cxd4 {The position is equal.} 12. Nxd4 Bxg2 13. Kxg2 Qc7 14. f3 Be7 15. e4 O-O 16. a4 $146 ({Predecessor:} 16. Be3 Qb7 17. Rac1 Rc4 18. Qe2 Rfc8 19. Nb1 Ne5 {½-½ (19) Ftacnik,L (2360)-Diesen,M (2360) Groningen 1977}) 16... Qb7 17. Be3 Bb4 18. Nde2 Ne5 19. Bd4 Nfd7 1/2-1/2

[Event "4th Paytakht Cup 2019"]
[Site "Tehran"]
[Date "2019.11.07"]
[Round "9.9"]
[White "Roozbayan, Reza"]
[Black "Bashirli, Nail"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2152"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.10.30"]
[EventType "swiss"]
[EventCountry "IRI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,70,0,0,5,-18,-7,-17,-19,-93,-91,-92,-95,-80,-14,-20,-24,-23,-6,-6,0,-11,0,0,0,0,13,0,25,0,27,-12,0,-66,-88,-155,-168,-153,-159,-187,-189,-243,-242,-357,-344,-572,-572,-558,-526,-831,-827]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. e3 Be7 6. Bd3 O-O 7. O-O dxc4 8. Bxc4 c5 9. Qe2 cxd4 10. exd4 Nb6 11. Bd3 Nbd5 12. Bg5 b6 $146 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} ({Predecessor:} 12... h6 13. Bd2 b6 14. Rad1 Bb7 15. Rfe1 Nxc3 16. bxc3 Qd5 17. c4 Qh5 18. d5 Bc5 19. Bc3 Ng4 20. Qe4 g6 21. Re2 exd5 22. cxd5 Bxd5 23. Qf4 Rad8 24. h3 Bxf3 25. Qxf3 Nxf2 26. Rxf2 Bxf2+ {0-1 (26) Kristiansen,J (2433)-Romero Echeverria,A (2112) Havana 2013}) 13. Rad1 Bb7 14. Ne5 Rc8 {The position is equal.} 15. Ba6 (15. Bd2 $11 {keeps the balance.}) 15... Nxc3 16. bxc3 Bxa6 17. Qxa6 Ne4 (17... Rxc3 $17 {Threatening ...Nd5.} 18. Qxa7 Nd5 19. Bxe7 Nxe7) 18. Bxe7 $11 Qxe7 19. c4 f6 20. Nf3 Rfd8 21. Rfe1 f5 22. Ne5 Rc7 23. a3 Qd6 (23... Qh4 $5 {[%cal Rh4f2]} 24. g3 Qh5 $11) 24. f3 Nf6 25. c5 Qe7 26. c6 Rd5 27. Qc4 (27. Qd3 $11) 27... Qxa3 $15 28. Nd3 (28. Rd2 $142) 28... b5 $17 29. Qc2 Qd6 ({But not} 29... Rxd4 30. Rxe6 Rc8 31. Ree1 $17) 30. Qb3 Rxd4 ({Much less strong is} 30... Rxc6 31. Nb4 $15) (30... Qxc6 31. Rc1 $17) 31. Qxb5 (31. Nf4 $142 Rxd1 32. Rxd1 Qc5+ 33. Kf1 Rxc6 34. Nxe6 Qc4+ 35. Qxc4 bxc4 36. Rd8+ Kf7 37. Nd4) 31... Rxc6 $19 {[#] ...Rb6 is the strong threat.} 32. Qb7 (32. Nf2 $142 Rxd1 33. Rxd1) 32... h6 33. Qxa7 $2 (33. Nf2 Rxd1 34. Rxd1) 33... Ra6 {Black is clearly winning.} ({Stronger than} 33... Rxd3 34. Rxd3 Nd5 35. Rb3 $16) 34. Qc5 Rxd3 35. Qc8+ Kh7 {Accuracy: White = 30%, Black = 54%.} 0-1

