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اولین سایت آموزش و تحلیل تخصصی شطرنج در ایران
[Event "Iran Cities Team Championship"] [Site "?"] [Date "2016.05.12"] [Round "2.1"] [White "Pourramezanali, Amirreza"] [Black "Hosseinzadeh, Nima"] [Result "1-0"] [ECO "D77"] [WhiteElo "2515"] [BlackElo "2230"] [Annotator "Amirreza Pourramezanali"] [PlyCount "111"] [EventDate "2016.??.??"] 1. g3 g6 2. Bg2 Bg7 3. d4 d5 4. Nf3 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 ({On} 7. Ne5 Ne8 {is annoying for White.}) 7... c3 (7... Nc6 8. Nxc4 Be6 9. b3 a5 { is the alternative main line.}) 8. bxc3 c5 9. Ne5 (9. e3 {is today considered White's most promising option. White's pieces don't seem terribly well placed, but it is extremely difficult for Black to generate counterplay, since ...e5 is never on the cards. After} Nc6 10. Qe2 Bf5 11. Rd1 Qa5 12. Bb2 Be4 {it is hard to believe that Black has not equalised easily, yet in a recent important game, Black never quite managed to shake off White's pressure:} 13. Nd2 Bxg2 14. Nb3 Qb6 15. Kxg2 cxd4 16. cxd4 Na5 17. Nc5 Qc6+ 18. Qf3 b6 19. Qxc6 Nxc6 20. Na6 Nd5 21. Nb5 Rfc8 22. Ba3 {and White managed to convert his miniscule advantage many moves later in Ki. Georgiev- Svidler, Las Vegas FIDE World Ch. 1999.}) 9... Nc6 $1 (9... Nd5 {is also playable, but the text move is far more testing for White.}) 10. Nac4 (10. Nxc6 bxc6 11. Qd3 {Taking the c pawn is asking for trouble, although a surprising number of players have given it a burl in the 1990s. After} (11. Bxc6 Bh3 {play may continue:} 12. Bg2 (12. Re1 Rc8 (12... Nd5 $5 {has also been used with success.}) 13. Bf3 Nd5 14. Bb2 cxd4 15. cxd4 Qa5 16. e4 Nb6 17. Rc1 Na4 18. Ba1 Rxc1 19. Qxc1 Rc8 20. Qd1 Nc3 21. Bxc3 Rxc3 {0-1, Von Kiedrowski-Schneider, Hessen 1998.}) (12. Bxa8 Qxa8 13. f3 Bxf1 14. Kxf1 Nd5 15. Qd2 Nxc3 $1 16. Nc2 cxd4 17. Ba3 Rd8 18. Bxe7 Re8 19. Nxd4 Qd5 $1 {and Black won in Rotshtein-Cvitan, Bad Woerishofen 1996.}) 12... Bxg2 13. Kxg2 Ne4 14. Bb2 cxd4 (14... Rb8 15. Qc2 $5 cxd4 16. cxd4 {, Johansson-Holmsten, Espoo 1998, may be the best chance for White, allowing Black to equalise immediately with} Rxb2 {(In the game Black played 16... Qd5 17.f3 Nd6 and went on to win. The position is not clear but the offside knight on a3 remains a serious handicap for White.)}) 15. cxd4 Rb8 16. Rb1 Qd5 17. f3 Qxa2 18. fxe4 Rxb2 19. Ra1 Qe6 20. Rf4 Rc8 21. e5 Bh6 22. Rf3 Rd2 23. Qe1 Rxd4 24. Nb5 Rd2 25. Rxa7 Qxe5 26. Nc3 Rxc3 27. Ra8+ Bf8 {0-1, Karner-Gufeld, Riga 1975.}) ({However} 11. Qa4 {is probably a better choice of queen move than 11. Qd3. Black may stay active with} Nd5 {but after} 12. Qxc6 (12. Bd2 Nb6 13. Qxc6 cxd4 14. cxd4 Ba6 {is very comfortable for Black: Behnick-Schneider, Germany Hessenliga 1996.}) 12... Be6 13. Qxc5 Nxc3 14. e3 Ne2+ 15. Kh1 Nxd4 16. Rb1 Rc8 17. Qxa7 Nc6 18. Qa4 Bxa2 19. Rb7 {led to a draw in Notaros-Paunovic, Cetinje 1993.}) 11... Nd5 12. Rd1 (12. Bd2 cxd4 13. cxd4 a5 14. Nc2 Ba6 15. Qf3 { should hold few fears for Black, but is certainly better than the game. Black is best advised to avoid} e5 16. dxe5 Bxe5 17. Rac1 Bb2 18. Rb1 Bg7 19. Ne3 Nf4 $5 20. Qxf4 Qxd2 21. Bxc6 Rad8 $2 22. Rbd1 Qxa2 23. Bd5 Qxe2 $2 (23... Rxd5 { was forced.}) 24. Bxf7+ $1 Kh8 25. Rxd8 Rxd8 26. Qh4 $1 Rd4 27. Qe7 Qb5 28. Bc4 $1 {and White soon won in Lytchak-Cvitan, Groningen Open 1996.}) 12... Qa5 $1 13. Bb2 {This loses almost by force, yet there are no longer any attractive options for White.} (13. Bxd5 cxd5 {leaves White seriously weak on the light squares but at least avoids any immediate tactical disaster.}) 13... Rb8 14. Qc2 (14. Nc4 Qa4 {leaves ...Ba6 in the air.}) 14... Rxb2 $1 15. Qxb2 Nxc3 16. Rd3 {The rook has no good square, since} (16. Rd2 {walks into} Nxe2+ $5 { (Capturing on d4 is also very strong.)} 17. Rxe2 Bxd4 {with serious material gain for Black.}) 16... cxd4 17. Bxc6 Ba6 18. Nb1 ({Of course} 18. Rd2 $2 { is now hopeless in view of} Nxe2+ 19. Rxe2 d3 {Granda looks for salvation through exchanges but he is a very important pawn down, with a worse position to boot.}) 18... Bxd3 19. exd3 Qa6 $1 20. Nxc3 dxc3 21. Qb5 Qxb5 22. Bxb5 Rb8 23. Ba4 c2 24. Rf1 Rb2 {White has no reasonable moves, since 25.Bb3 loses to 25...Rxb3 and 25.Kg2 Bh6! is also fatal. 0-1 (24) Granda Zuniga,J-Kasparov,G Dubai Olympiad 1986 [Rogers]}) 10... Nd5 11. Qd2 cxd4 12. cxd4 Nxe5 13. Nxe5 Bxe5 $6 $16 (13... Be6 $5 $14) 14. dxe5 {[%csl Gc1,Gg2]} Be6 15. Rd1 $2 $14 ( 15. Rb1 Rb8 16. Ba3 $16) 15... Nc3 16. Re1 Qxd2 17. Bxd2 Nxa2 $6 (17... Nd5 $14 ) 18. Reb1 $1 {[%csl Ra2,Ra7,Rb7][%cal Ga1a7,Gb1b7]} Rac8 19. Rxb7 Rfd8 20. Bg5 Nc1 $1 21. h3 Nxe2+ 22. Kh2 Bd5 23. Rxe7 Bxg2 24. Kxg2 Nd4 25. Rexa7 Re8 26. Re7 Rxe7 27. Bxe7 h5 28. Rd1 Ne6 29. Bf6 $6 {Diagram [#]} g5 $1 30. Rd7 g4 $1 $11 31. Ra7 Rc4 32. Ra8+ Kh7 33. h4 Rc1 34. Rh8+ Kg6 35. Bg5 $1 {Only chance} Nxg5 36. Rg8+ Kh7 37. Rxg5 Kh6 38. Rf5 Kg6 39. Rf6+ Kg7 40. f4 $1 Rc2+ $6 ( 40... gxf3+ 41. Rxf3 Rc2+ 42. Kg1 Re2 43. Rf5 Kg6 44. Rg5+ Kh6 45. Kf1 Rb2 $11) 41. Kf1 Rc3 42. Kf2 Rc2+ $6 (42... Rf3+ 43. Kg2 Ra3) 43. Ke3 Rc3+ 44. Ke4 Rxg3 45. Rf5 Rh3 $2 (45... Kg6 46. Rg5+ Kh6 47. f5 Rg1 {Diagram [#]} 48. Kd5 $1 g3 49. Kd6 (49. f6 g2) 49... g2 50. f6 $1 (50. Ke7 Re1 51. Rxg2 Rxe5+ 52. Kf6 Rb5 $11) 50... Rd1+ 51. Ke7 Rd5 $3 (51... g1=Q $4 52. Rxg1 Rxg1 53. Kxf7 $18 { [%cal Ge5e6,Ge6e7,Ge7e8]}) 52. Kxf7 Rxe5 53. Rg6+ Kh7 54. Rxg2 Rb5 55. Re2 Rb7+ 56. Re7 Rb4 $1 57. Rd7 Kh6 (57... Rxh4 $4 58. Ke6+ Kg6 59. Rg7+ Kh6 60. Rg8 $18 {[%cal Gf6f7,Gf7f8]}) 58. Ke7 Rxh4 59. f7 Rf4 60. f8=Q+ Rxf8 61. Kxf8 Kg5 62. Kg7 h4 63. Rd3 Kg4 64. Kg6 h3 65. Rd4+ Kg3 66. Kg5 h2 67. Rd3+ Kg2 68. Rd2+ Kg1 $11) 46. Rxh5 Kf8 47. f5 Ke7 48. Rh7 Ke8 {Diagram [#]} 49. Rh8+ Kd7 50. h5 g3 51. Kf3 $1 g2+ 52. Kxg2 Re3 53. e6+ fxe6 54. f6 {[%csl Rd7,Re3,Re7,Re8,Rf1,Rf2, Rf3,Rf4,Rf5,Rf7][%cal Gf6f7,Gf7f8]} Re2+ 55. Kg3 Re3+ 56. Kg4 1-0
[Event "Iran Cities Team Championship"] [Site "?"] [Date "2016.05.12"] [Round "2.1"] [White "Pourramezanali, Amirreza"] [Black "Hosseinzadeh, Nima"] [Result "1-0"] [ECO "D77"] [WhiteElo "2515"] [BlackElo "2230"] [Annotator "Amirreza Pourramezanali"] [PlyCount "111"] [EventDate "2016.??.??"] 1. g3 g6 2. Bg2 Bg7 3. d4 d5 4. Nf3 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 ({On} 7. Ne5 Ne8 {is annoying for White.}) 7... c3 (7... Nc6 8. Nxc4 Be6 9. b3 a5 { is the alternative main line.}) 8. bxc3 c5 9. Ne5 (9. e3 {is today considered White's most promising option. White's pieces don't seem terribly well placed, but it is extremely difficult for Black to generate counterplay, since ...e5 is never on the cards. After} Nc6 10. Qe2 Bf5 11. Rd1 Qa5 12. Bb2 Be4 {it is hard to believe that Black has not equalised easily, yet in a recent important game, Black never quite managed to shake off White's pressure:} 13. Nd2 Bxg2 14. Nb3 Qb6 15. Kxg2 cxd4 16. cxd4 Na5 17. Nc5 Qc6+ 18. Qf3 b6 19. Qxc6 Nxc6 20. Na6 Nd5 21. Nb5 Rfc8 22. Ba3 {and White managed to convert his miniscule advantage many moves later in Ki. Georgiev- Svidler, Las Vegas FIDE World Ch. 1999.}) 9... Nc6 $1 (9... Nd5 {is also playable, but the text move is far more testing for White.}) 10. Nac4 (10. Nxc6 bxc6 11. Qd3 {Taking the c pawn is asking for trouble, although a surprising number of players have given it a burl in the 1990s. After} (11. Bxc6 Bh3 {play may continue:} 12. Bg2 (12. Re1 Rc8 (12... Nd5 $5 {has also been used with success.}) 13. Bf3 Nd5 14. Bb2 cxd4 15. cxd4 Qa5 16. e4 Nb6 17. Rc1 Na4 18. Ba1 Rxc1 19. Qxc1 Rc8 20. Qd1 Nc3 21. Bxc3 Rxc3 {0-1, Von Kiedrowski-Schneider, Hessen 1998.}) (12. Bxa8 Qxa8 13. f3 Bxf1 14. Kxf1 Nd5 15. Qd2 Nxc3 $1 16. Nc2 cxd4 17. Ba3 Rd8 18. Bxe7 Re8 19. Nxd4 Qd5 $1 {and Black won in Rotshtein-Cvitan, Bad Woerishofen 1996.}) 12... Bxg2 13. Kxg2 Ne4 14. Bb2 cxd4 (14... Rb8 15. Qc2 $5 cxd4 16. cxd4 {, Johansson-Holmsten, Espoo 1998, may be the best chance for White, allowing Black to equalise immediately with} Rxb2 {(In the game Black played 16... Qd5 17.f3 Nd6 and went on to win. The position is not clear but the offside knight on a3 remains a serious handicap for White.)}) 15. cxd4 Rb8 16. Rb1 Qd5 17. f3 Qxa2 18. fxe4 Rxb2 19. Ra1 Qe6 20. Rf4 Rc8 21. e5 Bh6 22. Rf3 Rd2 23. Qe1 Rxd4 24. Nb5 Rd2 25. Rxa7 Qxe5 26. Nc3 Rxc3 27. Ra8+ Bf8 {0-1, Karner-Gufeld, Riga 1975.}) ({However} 11. Qa4 {is probably a better choice of queen move than 11. Qd3. Black may stay active with} Nd5 {but after} 12. Qxc6 (12. Bd2 Nb6 13. Qxc6 cxd4 14. cxd4 Ba6 {is very comfortable for Black: Behnick-Schneider, Germany Hessenliga 1996.}) 12... Be6 13. Qxc5 Nxc3 14. e3 Ne2+ 15. Kh1 Nxd4 16. Rb1 Rc8 17. Qxa7 Nc6 18. Qa4 Bxa2 19. Rb7 {led to a draw in Notaros-Paunovic, Cetinje 1993.}) 11... Nd5 12. Rd1 (12. Bd2 cxd4 13. cxd4 a5 14. Nc2 Ba6 15. Qf3 { should hold few fears for Black, but is certainly better than the game. Black is best advised to avoid} e5 16. dxe5 Bxe5 17. Rac1 Bb2 18. Rb1 Bg7 19. Ne3 Nf4 $5 20. Qxf4 Qxd2 21. Bxc6 Rad8 $2 22. Rbd1 Qxa2 23. Bd5 Qxe2 $2 (23... Rxd5 { was forced.}) 24. Bxf7+ $1 Kh8 25. Rxd8 Rxd8 26. Qh4 $1 Rd4 27. Qe7 Qb5 28. Bc4 $1 {and White soon won in Lytchak-Cvitan, Groningen Open 1996.}) 12... Qa5 $1 13. Bb2 {This loses almost by force, yet there are no longer any attractive options for White.} (13. Bxd5 cxd5 {leaves White seriously weak on the light squares but at least avoids any immediate tactical disaster.}) 13... Rb8 14. Qc2 (14. Nc4 Qa4 {leaves ...Ba6 in the air.}) 14... Rxb2 $1 15. Qxb2 Nxc3 16. Rd3 {The rook has no good square, since} (16. Rd2 {walks into} Nxe2+ $5 { (Capturing on d4 is also very strong.)} 17. Rxe2 Bxd4 {with serious material gain for Black.}) 16... cxd4 17. Bxc6 Ba6 18. Nb1 ({Of course} 18. Rd2 $2 { is now hopeless in view of} Nxe2+ 19. Rxe2 d3 {Granda looks for salvation through exchanges but he is a very important pawn down, with a worse position to boot.}) 18... Bxd3 19. exd3 Qa6 $1 20. Nxc3 dxc3 21. Qb5 Qxb5 22. Bxb5 Rb8 23. Ba4 c2 24. Rf1 Rb2 {White has no reasonable moves, since 25.Bb3 loses to 25...Rxb3 and 25.Kg2 Bh6! is also fatal. 0-1 (24) Granda Zuniga,J-Kasparov,G Dubai Olympiad 1986 [Rogers]}) 10... Nd5 11. Qd2 cxd4 12. cxd4 Nxe5 13. Nxe5 Bxe5 $6 $16 (13... Be6 $5 $14) 14. dxe5 {[%csl Gc1,Gg2]} Be6 15. Rd1 $2 $14 ( 15. Rb1 Rb8 16. Ba3 $16) 15... Nc3 16. Re1 Qxd2 17. Bxd2 Nxa2 $6 (17... Nd5 $14 ) 18. Reb1 $1 {[%csl Ra2,Ra7,Rb7][%cal Ga1a7,Gb1b7]} Rac8 19. Rxb7 Rfd8 20. Bg5 Nc1 $1 21. h3 Nxe2+ 22. Kh2 Bd5 23. Rxe7 Bxg2 24. Kxg2 Nd4 25. Rexa7 Re8 26. Re7 Rxe7 27. Bxe7 h5 28. Rd1 Ne6 29. Bf6 $6 {Diagram [#]} g5 $1 30. Rd7 g4 $1 $11 31. Ra7 Rc4 32. Ra8+ Kh7 33. h4 Rc1 34. Rh8+ Kg6 35. Bg5 $1 {Only chance} Nxg5 36. Rg8+ Kh7 37. Rxg5 Kh6 38. Rf5 Kg6 39. Rf6+ Kg7 40. f4 $1 Rc2+ $6 ( 40... gxf3+ 41. Rxf3 Rc2+ 42. Kg1 Re2 43. Rf5 Kg6 44. Rg5+ Kh6 45. Kf1 Rb2 $11) 41. Kf1 Rc3 42. Kf2 Rc2+ $6 (42... Rf3+ 43. Kg2 Ra3) 43. Ke3 Rc3+ 44. Ke4 Rxg3 45. Rf5 Rh3 $2 (45... Kg6 46. Rg5+ Kh6 47. f5 Rg1 {Diagram [#]} 48. Kd5 $1 g3 49. Kd6 (49. f6 g2) 49... g2 50. f6 $1 (50. Ke7 Re1 51. Rxg2 Rxe5+ 52. Kf6 Rb5 $11) 50... Rd1+ 51. Ke7 Rd5 $3 (51... g1=Q $4 52. Rxg1 Rxg1 53. Kxf7 $18 { [%cal Ge5e6,Ge6e7,Ge7e8]}) 52. Kxf7 Rxe5 53. Rg6+ Kh7 54. Rxg2 Rb5 55. Re2 Rb7+ 56. Re7 Rb4 $1 57. Rd7 Kh6 (57... Rxh4 $4 58. Ke6+ Kg6 59. Rg7+ Kh6 60. Rg8 $18 {[%cal Gf6f7,Gf7f8]}) 58. Ke7 Rxh4 59. f7 Rf4 60. f8=Q+ Rxf8 61. Kxf8 Kg5 62. Kg7 h4 63. Rd3 Kg4 64. Kg6 h3 65. Rd4+ Kg3 66. Kg5 h2 67. Rd3+ Kg2 68. Rd2+ Kg1 $11) 46. Rxh5 Kf8 47. f5 Ke7 48. Rh7 Ke8 {Diagram [#]} 49. Rh8+ Kd7 50. h5 g3 51. Kf3 $1 g2+ 52. Kxg2 Re3 53. e6+ fxe6 54. f6 {[%csl Rd7,Re3,Re7,Re8,Rf1,Rf2, Rf3,Rf4,Rf5,Rf7][%cal Gf6f7,Gf7f8]} Re2+ 55. Kg3 Re3+ 56. Kg4 1-0
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