Maghsoodloo in Tata Steel Challengers

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Hi,

First round game that may require extensive analysis using SF 10 on a strong computer:

[pgn] [Event "81st Tata Steel GpB"] [Site "Wijk aan Zee NED"] [Date "2019.01.12"] [Round "1"] [White "Maghsoodloo, Parham"] [Black "Korobov, A.."] [Result "0-1"] [ECO "B90"] [WhiteElo "2679"] [BlackElo "2699"] [Annotator "PC,This"] [PlyCount "76"] [EventDate "2019.01.11"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Nd5 Nxd5 10. exd5 Bf5 11. Bd3 Bxd3 12. Qxd3 Nd7 13. O-O Be7 14. Qd2 O-O 15. Na5 Qc8 16. c4 Bd8 17. Rac1 Re8 {[#]} 18. Kh1 $2 (18. Nb3 $1 b6 19. Kh1 e4 $2 20. Nd4 $1 (20. fxe4) 20... exf3 21. Nf5) 18... e4 19. Nb3 (19. f4 Nc5 { Deserves attention}) 19... exf3 20. gxf3 {Maghsoodloo played this quickly but:} (20. Rxf3 $142) 20... Ne5 21. c5 Qh3 22. Qd1 Ng6 23. Qd2 Rc8 24. Bg1 Nh4 25. Qf2 Bg5 26. Rc4 Nf5 27. Qg2 Ng3+ 28. Qxg3 Qxf1 29. Rc2 Bf6 30. Rf2 Qb5 31. cxd6 Rcd8 32. Rd2 h4 33. Qf4 Re1 34. Rg2 h3 35. Rg4 Be5 36. Qg5 Rxd6 37. Nd2 Qe2 38. Qf5 Qxh2# 0-1 [/pgn]

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Maghsoodloo won rounds 2 and 3 against lower rated opposition.

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Round 4:

[pgn] [Event "81st Tata Steel GpB"] [Site "Wijk aan Zee NED"] [Date "2019.01.15"] [Round "4"] [White "Maghsoodloo, Parham"] [Black "Esipenko, Andrey"] [Result "1/2-1/2"] [ECO "A34"] [WhiteElo "2679"] [BlackElo "2584"] [Annotator "PC,This"] [PlyCount "59"] [EventDate "2019.01.11"] 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. b3 Be7 9. Bb2 O-O {[#]} 10. Ne1 Qd7 11. Nd3 {A rare knight maneuver that seems to favor black.} b6 {[#]} 12. Bxc6 {White gives up his invested fiancheto bishop for a knight and a pawn. Black gets bishop pair advantage, more space, weak light squares around the white king. Black has more than compensation for material.} (12. Rc1 Ba6) (12. f4 exf4 13. Nxf4 Bf6) 12... Qxc6 13. Nxe5 Qe6 14. Nd3 Bb7 15. Nf4 Qd7 16. d3 Rad8 17. f3 f5 ($142 17... g5 18. Ng2) 18. Qd2 Bg5 19. Rad1 Ne6 20. e3 Rfe8 21. Nce2 Ba6 22. Nc1 Nc7 23. Qf2 Nd5 24. Rfe1 Qf7 25. a3 Bb7 26. Ng2 Nc7 27. Nf4 Nd5 28. Ng2 Nc7 29. Nf4 Nd5 30. Ng2 1/2-1/2 [/pgn]

[d]r1bq1rk1/ppn1bppp/2n5/2p1p3/8/1PN2NP1/PB1PPPBP/R2Q1RK1 w - - 0 10

Considering what happened here in the game, white better to find alternative play here.

[d]r1b2rk1/p1nqbppp/1pn5/2p1p3/8/1PNN2P1/PB1PPPBP/R2Q1RK1 w - - 0 12

Game continuation seems more or less forced here, which means white has played something wrong till here.

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[pgn] [Event "81st Tata Steel GpB"] [Site "Wijk aan Zee NED"] [Date "2019.01.16"] [Round "5"] [White "Praggnanandhaa, R."] [Black "Maghsoodloo, Parham"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2539"] [BlackElo "2679"] [Annotator "PC,This"] [PlyCount "60"] [EventDate "2019.01.11"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. a4 Ba7 7. O-O d6 8. Nbd2 h6 9. Re1 Nh5 10. Nf1 Qf6 11. Ne3 {[#]} Bxe3 ({Worth considering is:} 11... Nf4 12. d4) 12. Bxe3 (12. fxe3) 12... Nf4 {[#]} ($142 12... Bg4 13. a5 (13. d4) 13... Bxf3 14. Qxf3 Qxf3 15. gxf3 g5 (15... Ne7)) 13. Nd2 g5 14. d4 O-O 15. Nf1 Ne7 16. dxe5 dxe5 17. Bc5 Be6 18. Bxe7 Qxe7 19. Ne3 Bxc4 20. Nxc4 Rad8 21. Qc2 Qe6 22. Ne3 Rd7 23. Rad1 Rfd8 24. Rxd7 Rxd7 25. Rd1 Nh5 26. Nf5 Kh7 27. h3 Ng7 28. Ne3 Ne8 29. Nf5 Ng7 30. Ne3 Ne8 1/2-1/2 [/pgn]

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Round 6 game:

[pgn][Event "81st Tata Steel GpB"] [Site "Wijk aan Zee NED"] [Date "2019.01.18"] [Round "6"] [White "Maghsoodloo, Parham"] [Black "Chigaev, M."] [Result "0-1"] [ECO "C54"] [WhiteElo "2679"] [BlackElo "2604"] [Annotator "PC,This"] [PlyCount "162"] [EventDate "2019.01.11"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 Bg4 11. h3 Bh5 12. Qc2 Nxc3 13. bxc3 f6 14. exf6 Qxf6 15. Be2 Bg6 16. Qb3 Qd6 17. O-O Rae8 18. a4 a6 19. Rae1 Kh8 20. Qa2 (20. Bc1) 20... Qd8 21. Bg5 Qd6 22. Bc1 Qd8 23. Nh2 (23. Bg5 Qd6 24. Bh4) 23... Be4 24. Ng4 (24. Bh5 $1 g6 (24... Re7 25. Ba3) (24... Re6 25. Ba3 Rf4 (25... Rff6 26. Ng4) 26. Qd2 Qh4 27. Nf3 Qxh5 28. Qxf4) 25. Bf3 {The maneuver Bh5-Bf3 is better than direct Bf3. The move ... g6 weakens dark squares around the black king.}) 24... Rf7 25. Ne3 Ne7 26. f3 $2 {This move weakens the dark squares around the white king.} Bg6 27. Ba3 c6 28. Qd2 Bc7 29. Bd3 Bg3 30. Re2 Bxd3 31. Qxd3 Ng6 32. Ng4 Nf4 33. Rxe8+ Qxe8 34. Qc2 Ne2+ 35. Kh1 Bf4 36. Rd1 h5 37. Ne5 Ng3+ 38. Kg1 Bxe5 39. dxe5 Qxe5 40. Bb2 Ne2+ 41. Kh1 Qe3 42. Bc1 Qf2 43. Qd3 Re7 44. Kh2 Re6 45. Bd2 Ng3 46. Qd4 Nf1+ 47. Kh1 Qxd4 48. cxd4 Nxd2 49. Rxd2 Re1+ 50. Kh2 Ra1 51. Kg3 Kh7 52. Kf4 Kg6 53. Ke5 Rxa4 54. g4 hxg4 55. hxg4 Ra3 56. Rb2 Rxf3 57. Rxb7 Rc3 58. Ra7 a5 59. Rxa5 Kg5 60. Ra1 g6 61. Rg1 Rc4 62. Ra1 c5 63. dxc5 Rxc5 64. Ra6 Rc4 65. Kxd5 Rxg4 66. Ke5 Rb4 67. Ra1 Kh5 68. Rh1+ Rh4 69. Rf1 g5 70. Kf5 Rh3 71. Ke4 Kg4 72. Rg1+ Rg3 73. Rf1 Ra3 74. Rg1+ Kh4 75. Rh1+ Rh3 76. Rf1 g4 77. Kf4 Rh2 78. Ra1 Rf2+ 79. Ke3 g3 80. Rh1+ Kg4 81. Rh7 Rf1 0-1 [/pgn]

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Maghsoodloo scored 7/13 and is placed 8/14. See the final standing of challengers.