[Event "Bhubaneswar op-A 13th"]
[Site "Bhubaneswar"]
[Date "2022.05.28"]
[Round "9"]
[White "Rohit, Krishna S"]
[Black "Koustav, Chakraborty"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2337"]
[BlackElo "1945"]
[PlyCount "137"]
[EventDate "2022.05.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. 0-0 0-0 6. d4 dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bf4 Nc6 11. Nbd2 Nxd4 12. Nxd4 Bxg2 13. Nxe6 fxe6 14. Kxg2 Nd5 15. Be5 c5 16. Nf3 c4 17. a4 Qb6 18. Bd4 Qc6 19. b3 Nb4 20. Qb2 Nd3 21. exd3 Rxf3 22. Kg1 Rxd3 23. bxc4 Qxc4 24. Bxg7 Rb3 25. Qe5 Qd5 26. Rfd1 Qxe5 27. Bxe5 Rd8 28. Rdc1 Rd5 29. axb5 Rxe5 30. Rc8+ Kf7 31. bxa6 Bc5 32. a7 Bxa7 33. Rxa7+ Kg6 34. Rg8+ Kh6 35. Rh8 Re1+ 36. Kg2 e5 37. Rhxh7+ Kg6 38. Rhb7 Rc3 39. Ra6+ Kf5 40. Rb4 Rcc1 41. Ra3 Rg1+ 42. Kh3 Rc7 43. Rf3+ Ke6 44. Re3 Kf5 45. Rh4 Rc2 46. Rh5+ Kf6 47. Rhxe5 Rxf2 48. Re6+ Kf7 49. Re7+ Kf8 50. Re2 Rf6 51. Re8+ Kg7 52. R2e7+ Kg6 53. Re6 Rgf1 54. Rxf6+ Rxf6 55. Kg4 Ra6 56. Re4 Rf6 57. h4 Ra6 58. h5+ Kh6 59. Kh4 Ra1 60. Re6+ Kh7 61. g4 Ra5 62. Rd6 Rb5 63. h6 Rb1 64. Kh5 Rh1+ 65. Kg5 Ra1 66. Rd7+ Kh8 67. Kh5 Ra6 68. g5 Rb6 69. Rd8+ 1-0

[Event "Bhubaneswar op-A 13th"]
[Site "Bhubaneswar"]
[Date "2022.05.26"]
[Round "7"]
[White "Arpita, Mukherjee"]
[Black "Koustav, Chakraborty"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2275"]
[BlackElo "1945"]
[PlyCount "65"]
[EventDate "2022.05.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. Nc3 Nf6 7. Be3 b6 8. h3 Qc7 9. Qd2 e5 10. Bh6 0-0 11. 0-0 Nh5 12. Bxg7 Kxg7 13. Ne2 f6 14. a3 Kh8 15. Qh6 Be6 16. b4 c4 17. d4 Nf4 18. Nxf4 exf4 19. Rfe1 Bg8 20. e5 fxe5 21. Rxe5 Qg7 22. Qxg7+ Kxg7 23. Rae1 h6 24. Re7+ Kf6 25. Rc7 Bd5 26. Ne5 Rfe8 27. h4 h5 28. f3 Rec8 29. Rh7 Re8 30. Kf2 Kf5 31. Rc7 Re6 32. Rf7+ Rf6 33. Nd7 1-0

[Event "Bhubaneswar op-A 13th"]
[Site "Bhubaneswar"]
[Date "2022.05.26"]
[Round "6"]
[White "Dhananjay, S."]
[Black "Koustav, Chakraborty"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2218"]
[BlackElo "1945"]
[PlyCount "120"]
[EventDate "2022.05.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 f5 5. b3 Bd6 6. Bb2 Qe7 7. a3 a5 8. Be2 Nf6 9. Nbd2 0-0 10. 0-0 Ne4 11. Ne5 Nd7 12. Ndf3 g5 13. Nd3 g4 14. Nfe5 Nxe5 15. dxe5 Bc7 16. f3 gxf3 17. gxf3 Nc5 18. Nf4 Nd7 19. Kh1 Bxe5 20. Bxe5 Nxe5 21. Rg1+ Kf7 22. e4 Ng6 23. Qd2 dxe4 24. fxe4 Rg8 25. exf5 exf5 26. Bf3 Rd8 27. Qc1 Qh4 28. Bh5 Rd4 29. Ne2 Qxh5 30. Nxd4 c5 31. Nc2 Qf3+ 32. Rg2 Nf4 33. Ne1 Qe4 34. Qc3 Nxg2 35. Nxg2 Bd7 36. Re1 Qg4 37. h3 Qg5 38. Qe5 Bc6 39. Qc7+ Kg8 40. Re2 f4 41. Rf2 Rf8 42. Qd6 Qg3 43. Qe6+ Rf7 44. Qg4+ Qxg4 45. hxg4 Re7 46. Kh2 f3 47. Nf4 Re3 48. Rb2 Kf7 49. g5 Re5 50. Rf2 Rxg5 51. Nd3 Kf6 52. Ne1 Rf5 53. Kg3 Ke5 54. Rd2 f2 55. Nd3+ Kd4 56. Nxf2+ Ke3 57. Rd3+ Ke2 58. Rc3 Rf3+ 59. Rxf3 Bxf3 60. Nh3 Ke3 0-1

[Event "Bhubaneswar op-A 13th"]
[Site "Bhubaneswar"]
[Date "2022.05.25"]
[Round "5"]
[White "Koustav, Chakraborty"]
[Black "Aaryan, Varshney"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1945"]
[BlackElo "2308"]
[PlyCount "60"]
[EventDate "2022.05.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 Nf6 8. Nc3 g6 9. f3 Bg7 10. Be3 0-0 11. 0-0 a6 12. a4 Qc7 13. b3 Qa5 14. Qd3 Rac8 15. Rab1 Ne5 16. Qd2 e6 17. h3 Rfd8 18. f4 Nc6 19. Nxc6 Rxc6 20. Rfd1 Nh5 21. Ne2 Qxd2 22. Rxd2 Nf6 23. Ng3 Rdc8 24. Rbd1 Ne8 25. Ne2 h5 26. Kf2 f5 27. exf5 gxf5 28. Nd4 Bxd4 29. Bxd4 Kf7 30. Rd3 Rd8 1/2-1/2

[Event "Bhubaneswar op-A 13th"]
[Site "Bhubaneswar"]
[Date "2022.05.23"]
[Round "2"]
[White "Nikitenko, Mihail"]
[Black "Koustav, Chakraborty"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2479"]
[BlackElo "1945"]
[PlyCount "91"]
[EventDate "2022.05.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Bb3 Bd7 10. h4 Nxd4 11. Bxd4 b5 12. Qd2 a5 13. a3 e5 14. Be3 Be6 15. Bxe6 fxe6 16. Nxb5 d5 17. c4 d4 18. Bg5 Qc8 19. Rc1 a4 20. Qb4 h6 21. Bxf6 Bxf6 22. g3 Bd8 23. 0-0 Ra6 24. c5 Qc6 25. Qc4 Rf6 26. Nd6 g5 27. hxg5 hxg5 28. Kg2 Be7 29. Ne8 Rg6 30. Rh1 g4 31. Rh5 gxf3+ 32. Kf2 Ra8 33. Nd6 Bxd6 34. cxd6 Qxe4 35. Rch1 Qe3+ 36. Kf1 Qe2+ 37. Qxe2 fxe2+ 38. Kxe2 Kf7 39. Rh8 Rgg8 40. Rf1+ Kg7 41. Rh4 Kg6 42. Kd3 Rgf8 43. Rxf8 Rxf8 44. Ke4 d3 45. Kxe5 Kf7 46. Rf4+ 1-0

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.12"]
[Round "10"]
[White "Prakash, Yadav1"]
[Black "Koustav, Chakraborty"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "1718"]
[BlackElo "1898"]
[PlyCount "85"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. c4 e5 2. e4 Nc6 3. Nc3 Bc5 4. Nf3 d6 5. Be2 f5 6. d3 Nf6 7. Bg5 h6 8. Bxf6 Qxf6 9. Nd5 Qf7 10. Nh4 Rg8 11. exf5 Bxf5 12. Nxf5 Qxf5 13. 0-0 Qf7 14. Bg4 Kd8 15. b4 Bd4 16. Rc1 Ne7 17. Nxe7 Kxe7 18. c5 d5 19. Qa4 Rgd8 20. Qb5 Rab8 21. Qa5 Kf8 22. c6 b5 23. Qa3 Kg8 24. Qb3 Kh8 25. g3 Rb6 26. Bh3 Rd6 27. Bg2 Rb8 28. Kh1 g5 29. Qd1 Rf8 30. Qg4 Qg6 31. f4 gxf4 32. Qxg6 Rxg6 33. gxf4 Be3 34. fxe5 Re8 35. Rce1 d4 36. Rf7 Reg8 37. Re2 Rxc6 38. h4 Rc3 39. e6 c5 40. e7 cxb4 41. Be4 Rc1+ 42. Kh2 Bf4+ 43. Rxf4 1-0

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.11"]
[Round "9"]
[White "Koustav, Chakraborty"]
[Black "Aryan"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1898"]
[BlackElo "1784"]
[PlyCount "73"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Bc4 g6 6. Nf3 Bg7 7. Bg5 0-0 8. Qd2 c6 9. 0-0 Bf5 10. Rfe1 Nbd7 11. Rad1 b5 12. Bd3 Bxd3 13. Qxd3 e6 14. Ne4 Qc7 15. c3 Rfe8 16. h4 Nd5 17. c4 bxc4 18. Qxc4 Rab8 19. b3 Rb4 20. Qc2 Rc8 21. Bc1 Rb5 22. Ba3 Bf8 23. Bxf8 Kxf8 24. Neg5 Kg8 25. h5 Nb4 26. Qb1 Qf4 27. a3 Na6 28. hxg6 Rxg5 29. gxf7+ Kxf7 30. Nxg5+ Qxg5 31. Qxh7+ Qg7 32. Qxg7+ Kxg7 33. Rxe6 Kf7 34. Rde1 Nab8 35. f4 Rc7 36. Re7+ Kf6 37. g4 1-0

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.11"]
[Round "8"]
[White "Koustav, Chakraborty"]
[Black "Vinayak, VP."]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1898"]
[BlackElo "1736"]
[PlyCount "91"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 a6 5. a4 Nf6 6. Bc4 Bg4 7. 0-0 Nd4 8. Be2 Nxe2+ 9. Qxe2 g6 10. d3 Bg7 11. h3 Bd7 12. e5 dxe5 13. fxe5 Ng8 14. Qf2 Qc7 15. Be3 Rc8 16. Rae1 Nh6 17. g4 Be6 18. b3 0-0 19. Qh4 Bxe5 20. Nxe5 Qxe5 21. Ne4 f5 22. Bxh6 fxe4 23. Bxf8 Rxf8 24. Rxf8+ Kxf8 25. Rxe4 Qd6 26. Qf2+ Kg7 27. Qe3 Kf6 28. Qf2+ Kg7 29. Qf4 Qxf4 30. Rxf4 Bd5 31. g5 Be6 32. Re4 Kf7 33. h4 a5 34. Kf2 b6 35. Ke3 Bf5 36. Re5 e6 37. c3 Ke7 38. d4 Kd6 39. b4 axb4 40. cxb4 cxb4 41. Rb5 Kc6 42. Rxb4 Bh3 43. Rc4+ Kd7 44. Kf4 Bf1 45. Rc1 Bd3 46. Ke5 1-0

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.11"]
[Round "7"]
[White "Sai, Kiran Y"]
[Black "Koustav, Chakraborty"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1732"]
[BlackElo "1898"]
[PlyCount "107"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Ne4 Qc8 15. Bc5 Rd8 16. Qh4 a5 17. g4 Rd7 18. g5 Nf4 19. Rxd7 Qxd7 20. Rd1 Bd5 21. Be3 Ng2 22. Qf2 Nxe3 23. Qxe3 Rd8 24. Qc5 a4 25. Nc3 Qf5 26. Bxd5 Qxg5+ 27. Kb1 cxd5 28. Nxd5 Bf8 29. Qa5 Rd6 30. a3 Qf5 31. Qxa4 Qxf3 32. c4 Kg7 33. Qc2 Rc6 34. Re1 Re6 35. Rg1 Bc5 36. Rg3 Qf1+ 37. Ka2 Bd4 38. Ne3 Bxe3 39. Rxe3 Qh1 40. Qe2 e4 41. c5 Qg1 42. Rxe4 Rxe4 43. Qxe4 Qxc5 44. h4 f5 45. Qb7+ Kh6 46. Qf7 Qe3 47. a4 f4 48. a5 f3 49. a6 f2 50. a7 f1Q 51. Qxf1 Qxa7+ 52. Kb1 Qe7 53. Qc4 Kh5 54. b4 1/2-1/2

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.10"]
[Round "6"]
[White "Koustav, Chakraborty"]
[Black "Elangbam, Shashikanta Singh"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1898"]
[BlackElo "1702"]
[PlyCount "137"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 e5 3. Nf3 Nf6 4. d4 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. h3 c6 8. Qe2 a6 9. a4 c5 10. dxe5 Nxe5 11. Ba2 Be6 12. Rd1 Qc7 13. Bf4 Rad8 14. Bxe5 dxe5 15. Bxe6 fxe6 16. Qc4 Qc8 17. Ng5 h6 18. Nxe6 Rxd1+ 19. Rxd1 Rf7 20. f4 exf4 21. Nxf4 Nh7 22. Ng6 Bf6 23. Nh8 Kxh8 24. Qxf7 Ng5 25. Qd7 Qf8 26. Qd6 Be7 27. Qd5 Qf4 28. Qf5 Qg3 29. Rd3 Qh4 30. Qf2 Qh5 31. Qe2 Qh4 32. Nd5 c4 33. Nxe7 cxd3 34. Ng6+ Kh7 35. Nxh4 dxe2 36. Kf2 Nxe4+ 37. Kxe2 g5 38. Nf3 Kg6 39. Ke3 Nc5 40. a5 Ne6 41. g3 h5 42. Ne5+ Kf5 43. Nd3 Nd8 44. Kd4 Nc6+ 45. Kc5 Nxa5 46. b4 Nc6 47. Kb6 Nd4 48. Ne1 g4 49. h4 Nc6 50. Nd3 Nd4 51. c4 Ke4 52. Nf4 Nc6 53. b5 axb5 54. cxb5 Nd4 55. Nxh5 Kf3 56. Nf6 Kxg3 57. h5 Nf5 58. Kxb7 Kh4 59. Nxg4 Kxh5 60. Kc7 Nd4 61. b6 Ne6+ 62. Kd6 Nd8 63. Ne5 Nb7+ 64. Kc7 Nc5 65. Nd7 Ne6+ 66. Kc8 Nd4 67. b7 Nc6 68. Kc7 Nb4 69. Nc5 1-0

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.10"]
[Round "4"]
[White "Koustav, Chakraborty"]
[Black "Haribabu, Sharma"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1898"]
[BlackElo "1707"]
[PlyCount "151"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Be7 5. d4 cxd4 6. Nxd4 a6 7. Be3 Qc7 8. Be2 Bh4+ 9. g3 Be7 10. Qd2 b5 11. Nb3 Bb4 12. a3 Be7 13. Rd1 Bb7 14. Nc5 Bc8 15. e5 Nxe5 16. fxe5 Bxc5 17. Bxc5 Qxc5 18. Qg5 Bb7 19. Rf1 g6 20. Bf3 d5 21. Qf4 Ne7 22. Bg4 Nf5 23. Bxf5 gxf5 24. g4 0-0-0 25. gxf5 d4 26. Ne4 Bxe4 27. Qxe4 Qd5 28. Rf4 Qxe4+ 29. Rxe4 exf5 30. Rexd4 Rxd4 31. Rxd4 Re8 32. Rh4 Rxe5+ 33. Kd2 Kd7 34. Rxh7 Ke7 35. Rh6 f4 36. Rh4 Re4 37. Rg4 Kf6 38. h4 Kf5 39. Rg5+ Kf6 40. Rg4 Ke5 41. h5 f5 42. Rg1 f3 43. Rh1 Kf4 44. h6 Rd4+ 45. Ke1 Kg3 46. Rg1+ Kh2 47. Rg5 Rh4 48. Kf2 Rxh6 49. Rxf5 Kh3 50. Kxf3 Kh4 51. Kf4 Rc6 52. c3 Rc4+ 53. Ke5 Kg4 54. Rf6 Ra4 55. Kd5 Kg5 56. Rf2 Rc4 57. Rf8 Rh4 58. Ra8 Rh2 59. b4 Rh6 60. Rc8 Kf5 61. Rc6 Rh3 62. Kd4 Rh4+ 63. Kc5 Ke5 64. Kb6 Rc4 65. Rxc4 bxc4 66. Kxa6 Ke4 67. b5 Kd3 68. b6 Kxc3 69. b7 Kc2 70. b8Q c3 71. a4 Kc1 72. a5 c2 73. Qf4+ Kb1 74. Kb7 c1Q 75. Qxc1+ Kxc1 76. a6 1-0

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.10"]
[Round "5"]
[White "Tajane, Ganesh"]
[Black "Koustav, Chakraborty"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1743"]
[BlackElo "1898"]
[PlyCount "63"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Nf6 7. 0-0 e6 8. Qe2 Be7 9. Rd1 e5 10. Be3 0-0 11. b4 a6 12. h3 b5 13. Bb3 Be6 14. Bxe6 fxe6 15. a4 Nxb4 16. axb5 axb5 17. Ng5 Rxa1 18. Rxa1 d5 19. Nxe6 Qc8 20. Nxf8 Qxc3 21. Rc1 Qd3 22. Qxd3 Nxd3 23. Rd1 Bxf8 24. Rxd3 d4 25. Bc1 Nxe4 26. f4 Nc3 27. Kf1 Bd6 28. fxe5 Bxe5 29. Ba3 Ne4 30. Bb2 Nc3 31. Ba3 Ne4 32. Bb2 1/2-1/2

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.09"]
[Round "2"]
[White "Koustav, Chakraborty"]
[Black "Farhaan, M."]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1898"]
[BlackElo "1588"]
[PlyCount "123"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. dxc5 Nc6 10. Bd3 Qxc5 11. Qd2 b5 12. 0-0-0 Nb6 13. f5 h6 14. g4 Nc4 15. Bxc4 bxc4 16. Nd4 Rb8 17. Nxc6 Qxc6 18. Ne4 Qb6 19. Nd6+ Ke7 20. b3 Qc5 21. Kb2 a5 22. Qf4 c3+ 23. Ka1 Kf8 24. fxe6 Bxe6 25. Nxf7 Ke7 26. Nd6 Rb4 27. Nf5+ Kd7 28. Qe3 Qxe3 29. Nxe3 Kc6 30. Rd3 Re8 31. Rxc3+ Kb6 32. a3 Re4 33. Rd1 Rxe5 34. Rcd3 Kc5 35. c3 Rf8 36. b4+ axb4 37. axb4+ Kc6 38. Nc2 Bxg4 39. Nd4+ Kb6 40. Rg1 Bf5 41. Rf3 Ra8+ 42. Kb2 g6 43. Nxf5 gxf5 44. Rg6+ Kb5 45. Kb3 Ra6 46. Rg8 Rf6 47. Rf1 f4 48. Ra1 Ree6 49. Rb8+ Kc6 50. Ra6+ Kc7 51. Rxe6 Rxe6 52. Rf8 Re4 53. Rf6 h5 54. Rf5 Kd6 55. Rxh5 Re5 56. Rxe5 Kxe5 57. Kc2 Ke4 58. b5 Ke3 59. b6 f3 60. b7 f2 61. b8Q f1Q 62. Qe5+ 1-0

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.09"]
[Round "1"]
[White "Mohan, Singh Dewat"]
[Black "Koustav, Chakraborty"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1465"]
[BlackElo "1898"]
[PlyCount "92"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. Bd3 c6 8. 0-0 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. e4 N5b6 12. Bb3 e5 13. Rc1 Rd8 14. d5 Nc5 15. Bc2 Bg4 16. h3 Bh5 17. g4 Bg6 18. Qe2 cxd5 19. exd5 e4 20. Rcd1 Re8 21. Rfe1 Rad8 22. Nd4 Qh4 23. Kh2 Nxd5 24. Nxd5 Rxd5 25. Nf5 Rxf5 26. gxf5 Qf4+ 27. Kg2 Qxf5 28. Qg4 Qe5 29. Rb1 Ne6 30. Qg3 Nf4+ 31. Kh2 h5 32. Re3 Qf6 33. h4 Nd5 34. Ree1 Nb4 35. Bb3 Nd3 36. Rf1 Ne5 37. Kg2 Nf3 38. Rh1 e3 39. Qxf3 Be4 40. Qxe4 Rxe4 41. f3 Rxh4 42. Rxh4 Qxh4 43. Rd1 Qf2+ 44. Kh1 Qxf3+ 45. Kg1 e2 46. Rd8+ Kh7 0-1

[Event "New Delhi Parsvnath op-B 17th"]
[Site "New Delhi"]
[Date "2019.01.09"]
[Round "3"]
[White "Swapnaneel, Dowerah"]
[Black "Koustav, Chakraborty"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1666"]
[BlackElo "1898"]
[PlyCount "58"]
[EventDate "2019.01.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nge7 7. d3 0-0 8. Qe1 d5 9. Bb3 Nd4 10. Nxd4 cxd4 11. Ne2 dxe4 12. dxe4 a5 13. a3 d3 14. Ng3 a4 15. Ba2 dxc2 16. Qd2 Qxd2 17. Bxd2 Bxb2 18. Rae1 Bxa3 19. Re2 Bd7 20. Bc1 Bc5+ 21. Be3 Bxe3+ 22. Rxe3 Rfc8 23. Rc1 b5 24. Ne2 b4 25. Nd4 b3 26. Nxb3 axb3 27. Bxb3 Ba4 28. Bxa4 Rxa4 29. Rd3 Rb4 0-1

