[Event "Satu Mare Szabo Memorial"]
[Site "Satu Mare"]
[Date "2019.08.03"]
[Round "2"]
[White "Costin, Petrica"]
[Black "Fugulyan, Grigore"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2127"]
[BlackElo "1847"]
[PlyCount "68"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. h3 Bg7 4. Nf3 Nf6 5. Bd3 0-0 6. 0-0 Nc6 7. c3 e5 8. d5 Ne7 9. c4 Ne8 10. Nc3 f5 11. Bg5 h6 12. Bxe7 Qxe7 13. b4 f4 14. Be2 Kh8 15. Nh2 h5 16. Kh1 Nf6 17. Rg1 Qf7 18. Qd3 g5 19. g4 fxg3 20. Qxg3 Bh6 21. f3 h4 22. Qg2 Nh5 23. Qf1 Ng3+ 24. Rxg3 hxg3 25. Ng4 Bxg4 26. hxg4 Kg7 27. Kg2 Rh8 28. Bd3 Kg6 29. Ne2 Bg7 30. Nxg3 Qf4 31. Be2 Rh4 32. Qc1 Rah8 33. Qxf4 exf4 34. Rd1 Rh2+ 0-1

[Event "Satu Mare Szabo Memorial"]
[Site "Satu Mare"]
[Date "2019.08.02"]
[Round "1"]
[White "Gulyas, Ferenc"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1780"]
[BlackElo "2127"]
[PlyCount "77"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bf5 4. Bd3 Bg6 5. Ne5 Bxd3 6. Qxd3 c6 7. Nd2 e6 8. f4 Bd6 9. 0-0 Nbd7 10. c4 0-0 11. a3 a5 12. b3 Rc8 13. c5 Bc7 14. b4 axb4 15. axb4 Ra8 16. Bb2 Qe7 17. b5 Bxe5 18. fxe5 Ng4 19. h3 Nh6 20. e4 Rxa1 21. Rxa1 f5 22. exd5 exd5 23. Ra7 Qe6 24. Nf3 Nf7 25. Rxb7 g6 26. b6 h6 27. Ra7 Nb8 28. h4 Re8 29. Qa3 Re7 30. Bc1 Kg7 31. Bf4 Rd7 32. Ra8 Rb7 33. Ra7 Rd7 34. Rc7 Rd8 35. Qa7 Kg8 36. Bxh6 Nxh6 37. Rg7+ Kf8 38. Ng5 Qe8 39. Nh7# 1-0

[Event "Arad op 12th"]
[Site "Arad"]
[Date "2019.07.25"]
[Round "2"]
[White "Costin, Petrica"]
[Black "Svetushkin, Dmitry"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2127"]
[BlackElo "2528"]
[PlyCount "96"]
[EventDate "2019.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Nbxd2 d6 7. e3 Qe7 8. Be2 e5 9. dxe5 dxe5 10. Qc2 Nbd7 11. Ne4 Nxe4 12. Qxe4 f6 13. h3 Nc5 14. Qc2 a4 15. Rd1 0-0 16. 0-0 b6 17. Nh2 f5 18. f3 Bb7 19. Rfe1 h6 20. Bf1 e4 21. f4 Kh7 22. g4 g5 23. fxg5 Qxg5 24. Bg2 fxg4 25. hxg4 Rf7 26. Qe2 Raf8 27. Rf1 Rf3 28. Qd2 h5 29. Bxf3 exf3 30. e4 Nxe4 31. Qxg5 Nxg5 32. Rd7+ Kh6 33. Rfd1 f2+ 34. Kf1 Ne4 35. R1d3 Nc5 36. Rd8 Rf7 37. Rh3 Ne4 38. Rxh5+ Kg7 39. Rd3 Ba6 40. Kg2 Bxc4 41. Rd1 Be2 42. Rc1 Nd2 43. Rg5+ Kh6 44. Rh5+ Kg6 45. Rc6+ Kg7 46. Rg5+ Kf8 47. Rf5 Rxf5 48. gxf5 Bf3+ 0-1

[Event "Satu Mare Ferroli op"]
[Site "Satu Mare"]
[Date "2018.11.03"]
[Round "7"]
[White "Costin, Petrica"]
[Black "Muller, Wilhelm"]
[Result "0-1"]
[ECO "E93"]
[WhiteElo "2158"]
[BlackElo "1891"]
[PlyCount "100"]
[EventDate "2018.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. e4 Bg7 4. Nc3 Nf6 5. Nf3 0-0 6. h3 Nbd7 7. Be3 e5 8. d5 Nc5 9. Qc2 a5 10. Be2 b6 11. 0-0 Nh5 12. Nh2 Nf4 13. a3 a4 14. Rae1 Nxe2+ 15. Nxe2 f5 16. f3 Bd7 17. Bxc5 bxc5 18. Nc3 Qc8 19. Rf2 Qa6 20. Qe2 Rab8 21. Ref1 Rb3 22. g4 Rfb8 23. Nd1 f4 24. Qc2 Bf6 25. Rd2 Bh4 26. Rd3 Rxd3 27. Qxd3 Rb3 28. Qc2 Qb7 29. Kg2 Bg3 30. Rh1 Bxh2 31. Rxh2 Qc8 32. Nc3 h5 33. Kf1 Kg7 34. Qg2 h4 35. g5 Qa6 36. Qe2 Rb8 37. Ke1 Rh8 38. Qf1 Rh5 39. Nb5 Rxg5 40. Kf2 Qa5 41. Nc3 Rg3 42. Ke2 Qb6 43. Kd3 Qb3 44. Qh1 Bc8 45. Qd1 Qxd1+ 46. Nxd1 Rxf3+ 47. Kc2 Rxh3 48. Rg2 Rg3 49. Rh2 h3 50. Rh1 Bg4 0-1

[Event "Satu Mare Ferroli op"]
[Site "Satu Mare"]
[Date "2018.11.02"]
[Round "5"]
[White "Bokros, Albert"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2455"]
[BlackElo "2158"]
[PlyCount "84"]
[EventDate "2018.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. 0-0 e5 8. Qd3 Be7 9. c4 Qc7 10. Nc3 Nf6 11. Rd1 h6 12. h3 0-0 13. Be3 Be6 14. Rac1 Qb8 15. Nh4 Rd8 16. Qc2 Bf8 17. b3 g6 18. Rd2 Qc8 19. Nf3 Qc7 20. Qb1 Rac8 21. Rcd1 Kg7 22. Qb2 Be7 23. Ne1 Nh5 24. g4 Nf6 25. f4 exf4 26. Bxf4 Kh7 27. Nf3 Ne8 28. Kg2 f6 29. Bg3 Qb7 30. Ne2 c5 31. Nf4 Bf7 32. Re2 Ng7 33. Rde1 Qd7 34. Qc2 Re8 35. Qc3 Rf8 36. Kh2 g5 37. Ng2 h5 38. Ne3 h4 39. Bf2 Ne6 40. Nf5 Nf4 41. Rd2 Qe6 42. N3xh4 gxh4 1-0

[Event "Satu Mare Ferroli op"]
[Site "Satu Mare"]
[Date "2018.11.01"]
[Round "4"]
[White "Costin, Petrica"]
[Black "Szalanczy, Emil"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2158"]
[BlackElo "2190"]
[PlyCount "83"]
[EventDate "2018.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 Nf6 3. Nc3 d5 4. e3 Nc6 5. Be2 Bg4 6. h3 Bh5 7. 0-0 e6 8. Re1 Rc8 9. Nb1 Be7 10. Nbd2 0-0 11. Nf1 Ne4 12. Bd2 c4 13. N1h2 b5 14. a3 a5 15. a4 b4 16. c3 Bd6 17. Rf1 f5 18. Qe1 Qd7 19. Ne5 Qe8 20. g4 Bg6 21. Nxc6 Rxc6 22. f4 h5 23. g5 Kf7 24. Nf3 Rh8 25. Nh4 Ke7 26. Bf3 Bf7 27. Bxe4 dxe4 28. cxb4 axb4 29. Bxb4 Qb8 30. Bxd6+ Kxd6 31. Qc3 g6 32. Ra3 Kd5 33. Rc1 Qb6 34. a5 Qb5 35. Rca1 Rb8 36. R1a2 Ra6 37. Ng2 Be8 38. Ne1 Qb4 39. Nc2 Qxc3 40. bxc3 Rb1+ 41. Kf2 h4 42. Nb4+ 1-0

[Event "Satu Mare Ferroli op"]
[Site "Satu Mare"]
[Date "2018.10.31"]
[Round "2"]
[White "Costin, Petrica"]
[Black "Stanciu, Alexandru Ovidiu"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2158"]
[BlackElo "2337"]
[PlyCount "52"]
[EventDate "2018.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. h3 e6 7. Be3 Be7 8. Qd2 0-0 9. Rd1 a6 10. Nxc6 bxc6 11. Be2 d5 12. exd5 cxd5 13. 0-0 Bd7 14. a3 Qb8 15. Rb1 Rd8 16. Rfd1 Bc6 17. Bf3 e5 18. Bg5 e4 19. Be2 d4 20. Na2 e3 21. Qc1 exf2+ 22. Kf1 Qg3 23. Bf3 Bxf3 24. gxf3 Re8 25. Rxd4 Bc5 26. Rf4 Qxf4 0-1

[Event "Satu Mare Ferroli op"]
[Site "Satu Mare"]
[Date "2018.10.31"]
[Round "3"]
[White "Mihalca, Imre Gheorghe"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1687"]
[BlackElo "2158"]
[PlyCount "68"]
[EventDate "2018.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bf5 3. e3 e6 4. Nbd2 Nf6 5. c3 Nbd7 6. Be2 h6 7. 0-0 Bd6 8. b3 0-0 9. c4 c6 10. Bb2 Qb8 11. h3 Re8 12. Nh4 Bh7 13. f4 Ne4 14. Nhf3 Ng3 15. Re1 Nf6 16. Ne5 Nfe4 17. Bf3 Bb4 18. Bxe4 Nxe4 19. Nxe4 Bxe1 20. Nf6+ gxf6 21. Qg4+ Bg6 22. Nxg6 Kh7 23. Nh4 Bxh4 24. Qxh4 Qd8 25. Qh5 Qe7 26. Rf1 Rg8 27. f5 Rg5 28. Qe2 Rag8 29. Rf2 exf5 30. Qd3 Qe4 31. Qxe4 fxe4 32. Ba3 R5g6 33. Bd6 f5 34. Kh2 Rxd6 0-1

[Event "Satu Mare Ferroli op"]
[Site "Satu Mare"]
[Date "2018.10.30"]
[Round "1"]
[White "Korn, Lorant"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1771"]
[BlackElo "2158"]
[PlyCount "61"]
[EventDate "2018.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Bg5 Nbd7 9. Qd2 h6 10. Be3 Be7 11. 0-0-0 Qc7 12. g4 Rc8 13. Kb1 b5 14. h4 b4 15. Na4 Qc6 16. Bh3 Qxa4 17. g5 Nh5 18. Bxe6 fxe6 19. gxh6 gxh6 20. Bxh6 Qb5 21. Rdg1 a5 22. Rg6 Ndf6 23. Rhg1 a4 24. Na1 a3 25. Bg7 Nxg7 26. Rxg7 Rh7 27. R7g6 Kd7 28. Rd1 Rc6 29. Nb3 axb2 30. f4 Nxe4 31. Qe1 0-1

[Event "Tasnad op"]
[Site "Tasnad"]
[Date "2018.09.12"]
[Round "2"]
[White "Costin, Petrica"]
[Black "Cornea, Alexandru"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2145"]
[BlackElo "1693"]
[PlyCount "189"]
[EventDate "2018.09.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Bb5 a6 7. Bxd7+ Bxd7 8. 0-0 Nc6 9. Ne2 Qb6 10. c3 Be7 11. Qb3 Qxb3 12. axb3 cxd4 13. Nexd4 f6 14. Bf4 Kf7 15. Rfe1 Bc5 16. Nxc6 Bxc6 17. Be3 Be7 18. Bd4 f5 19. Be3 h6 20. Nd4 Rhc8 21. g3 g5 22. b4 Bd7 23. Ra2 Rg8 24. f4 gxf4 25. Bxf4 h5 26. Kf2 h4 27. Raa1 Rg4 28. Kf3 Rag8 29. Rg1 h3 30. Rgf1 Rc8 31. Rf2 Rc4 32. Nc2 d4 33. Nxd4 Bxb4 34. Rd2 Be7 35. Ke3 Bc5 36. Kd3 Rxd4+ 37. cxd4 Bb4 38. Rc2 Bc6 39. Ke3 Rg8 40. Rc4 Be7 41. Rac1 Rd8 42. Rd1 Rd5 43. Rdc1 Rb5 44. R1c2 Rb3+ 45. R4c3 Rb5 46. Rf2 Kg6 47. Rfc2 Be4 48. Rf2 Bb4 49. Rcc2 Be1 50. Rfd2 Rb3+ 51. Ke2 Bxd2 52. Rxd2 Kh5 53. Be3 Kg4 54. Kf2 b5 55. Re2 a5 56. Rd2 a4 57. Re2 b4 58. Bc1 Rf3+ 59. Ke1 Rd3 60. Rd2 Re3+ 61. Re2 Rd3 62. Rd2 Rb3 63. Kf2 Rf3+ 64. Ke1 Bd3 65. Rf2 Bc4 66. Rxf3 Kxf3 67. Bd2 a3 68. bxa3 bxa3 69. Bc3 Kg2 70. Ba1 Kf3 71. Kd2 Kf2 72. Bc3 a2 73. Ba1 Kf3 74. Bc3 f4 75. gxf4 Kxf4 76. Ba1 Kf3 77. Bb2 Kf2 78. Ba1 Bd5 79. Bb2 Kf3 80. Ba1 Kg2 81. Ke2 Bc4+ 82. Ke1 Kg1 83. Bb2 Kg2 84. Ba1 Kf3 85. Kd2 Kf2 86. Bc3 Kg2 87. Ke1 Kf3 88. Kd2 Bd5 89. Ba1 Kf2 90. Bb2 Bc4 91. Ba1 Kg2 92. Ke1 Kg1 93. Bb2 Kg2 94. Bc3 Kf3 95. Kd2 1/2-1/2

[Event "Tasnad op"]
[Site "Tasnad"]
[Date "2018.09.11"]
[Round "1"]
[White "Aczel, Gergely"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2558"]
[BlackElo "2145"]
[PlyCount "47"]
[EventDate "2018.09.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 c6 4. e4 Qc7 5. Nge2 e5 6. f3 h6 7. Be3 a5 8. Rc1 Be7 9. Ng3 0-0 10. Be2 Nh7 11. 0-0 Bg5 12. f4 exf4 13. Bxf4 Bxf4 14. Rxf4 d5 15. e5 f6 16. cxd5 fxe5 17. Rxf8+ Nxf8 18. Bc4 Kh8 19. Qh5 b5 20. Rf1 Qd8 21. Qf7 Nh7 22. Bd3 exd4 23. Bxh7 Kxh7 24. Nh5 1-0

[Event "Satu Mare Szabo Memorial"]
[Site "Satu Mare"]
[Date "2018.07.25"]
[Round "3"]
[White "Costin, Petrica"]
[Black "Petrisor, Adrian Marian"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2145"]
[BlackElo "2416"]
[PlyCount "92"]
[EventDate "2018.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Nf3 Nge7 7. Bg5 f6 8. Bh4 Bg4 9. Bg3 Qd7 10. Nbd2 0-0-0 11. 0-0 Bxg3 12. fxg3 Kb8 13. b4 Nf5 14. Re1 Rhe8 15. Nf1 Nd6 16. Qc2 Bf5 17. Bxf5 Nxf5 18. Rxe8 Rxe8 19. Re1 Rxe1 20. Nxe1 Qe6 21. Nf3 h5 22. Kf2 Nd6 23. N1d2 Ne7 24. Qd1 Ne4+ 25. Nxe4 dxe4 26. Qe2 Nd5 27. Ne1 Qf5+ 28. Kg1 Nxc3 29. Qc4 Nd5 30. a3 e3 31. Qc2 Qxc2 32. Nxc2 Kc8 33. Kf1 Kd7 34. Ke2 Kc6 35. Nxe3 Nxe3 36. Kxe3 Kd5 37. Kd3 b5 38. h3 f5 39. h4 g6 40. Ke3 Kc4 41. Kf4 Kxd4 42. Kg5 c5 43. bxc5 Kxc5 44. Kxg6 a5 45. Kxf5 b4 46. axb4+ axb4 0-1

[Event "Satu Mare Tasnad op"]
[Site "Satu Mare"]
[Date "2013.09.29"]
[Round "6"]
[White "Costachi, Mihnea"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2171"]
[BlackElo "2253"]
[PlyCount "63"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Bd7 6. e3 e6 7. Bd3 Be7 8. h3 a6 9. Nf3 b5 10. a3 Nc6 11. 0-0 0-0 12. g4 h6 13. Kh1 Nh7 14. Rg1 Ng5 15. Nxg5 hxg5 16. Bh2 g6 17. f4 gxf4 18. Bxf4 g5 19. Bh2 Kg7 20. Qf3 Rh8 21. Ne2 Rh6 22. Ng3 Qh8 23. Nh5+ Kg8 24. Rac1 Rc8 25. a4 f5 26. axb5 axb5 27. Bxb5 Be8 28. Bxc6 Bxh5 29. gxh5 Rxh5 30. Bxd5 Rxc1 31. Bxe6+ Kf8 32. Rxc1 1-0

[Event "Satu Mare Tasnad op"]
[Site "Satu Mare"]
[Date "2013.09.28"]
[Round "4"]
[White "Casangiu, Paul Horatiu"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2111"]
[BlackElo "2253"]
[PlyCount "110"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. d4 Bf5 5. 0-0 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. e3 Bd6 9. c4 Qd7 10. Nc3 Bb4 11. Qb3 Bxc3 12. Qxc3 Ne7 13. cxd5 Nexd5 14. Qb3 c6 15. e4 Ne7 16. Bg5 Rd8 17. Rad1 Ng4 18. h3 Nf6 19. d5 cxd5 20. exd5 Nexd5 21. Qa3 Qe7 22. Qxa7 0-0 23. Rfe1 Qc7 24. Rc1 Qd7 25. a3 Ra8 26. Qd4 Ra4 27. Qe5 Rc8 28. Rxc8+ Qxc8 29. Rc1 Qe8 30. Qe2 Qd7 31. Qc2 Ra8 32. Qc5 b6 33. Qc6 Qxc6 34. Rxc6 Rb8 35. Kf1 Kf8 36. Ke2 Ke8 37. Bxf6 Nxf6 38. Rc7 Ng8 39. Bc6+ Kf8 40. Kd3 Ne7 41. Kc4 Rd8 42. Kb5 Rd2 43. b4 Rxf2 44. Kxb6 Ra2 45. Ra7 Nc8+ 46. Kb7 Nxa7 47. Kxa7 Rxa3+ 48. Kb7 Ke7 49. Kc7 Rxg3 50. b5 Rxh3 51. b6 Rb3 52. b7 f5 53. b8Q Rxb8 54. Kxb8 e5 55. Kc7 e4 0-1

[Event "Satu Mare Tasnad op"]
[Site "Satu Mare"]
[Date "2013.09.28"]
[Round "5"]
[White "Costin, Petrica"]
[Black "Lengyel, Ferenc"]
[Result "1/2-1/2"]
[ECO "C87"]
[WhiteElo "2253"]
[BlackElo "2205"]
[PlyCount "23"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Re1 Bg4 7. c3 Be7 8. d3 0-0 9. Nbd2 b5 10. Bc2 d5 11. a4 dxe4 12. dxe4 1/2-1/2

[Event "Satu Mare Tasnad op"]
[Site "Satu Mare"]
[Date "2013.09.27"]
[Round "3"]
[White "Costin, Petrica"]
[Black "Ambru, Dan Calin"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2253"]
[BlackElo "1910"]
[PlyCount "93"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. d5 Bg4 8. 0-0 Bxf3 9. gxf3 a6 10. Kh1 Nbd7 11. f4 Qc7 12. Rg1 e6 13. a4 exd5 14. cxd5 Rfe8 15. Bf3 Rab8 16. a5 b5 17. axb6 Rxb6 18. Qc2 Reb8 19. Ra2 Ne8 20. Be2 Qc8 21. Bg4 Nc7 22. Re1 Qd8 23. Bd2 Nb5 24. Nxb5 Rxb5 25. Bc3 Bxc3 26. bxc3 a5 27. e5 c4 28. e6 Nf6 29. exf7+ Kxf7 30. Be6+ Kg7 31. Qd2 Qc7 32. f5 Rb1 33. Rxb1 Rxb1+ 34. Kg2 Ne4 35. Qd4+ Nf6 36. h4 Rb5 37. h5 gxh5 38. f3 Rb1 39. Kh2 Qd8 40. Rg2+ Kf8 41. Qf4 a4 42. Qh6+ Ke8 43. Qg7 Qe7 44. Bf7+ Kd8 45. Qh8+ Kc7 46. Be6 Ne8 47. f6 1-0

[Event "Satu Mare Tasnad op"]
[Site "Satu Mare"]
[Date "2013.09.27"]
[Round "2"]
[White "Samu, Sorin Mihai"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2141"]
[BlackElo "2253"]
[PlyCount "63"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 c6 6. Be3 Qc7 7. Qd2 e5 8. d5 c5 9. g4 h5 10. g5 Ng8 11. b4 b6 12. a3 Ne7 13. Bd3 0-0 14. Nge2 a5 15. b5 Bh3 16. Rg1 Ra7 17. 0-0-0 Bc8 18. Na4 Rb7 19. Kc2 Bh3 20. Rb1 Bc8 21. Qc3 Bh3 22. Bd2 Re8 23. Nc1 Kh7 24. Nb3 Nc8 25. Be2 Qd8 26. f4 Bg4 27. Bxg4 exf4 28. Qf3 hxg4 29. Rxg4 Rh8 30. Rh4+ Kg8 31. Rxh8+ Bxh8 32. Qxf4 1-0

[Event "Satu Mare Tasnad op"]
[Site "Satu Mare"]
[Date "2013.09.26"]
[Round "1"]
[White "Costin, Petrica"]
[Black "Pop, Ioan"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2253"]
[BlackElo "1868"]
[PlyCount "76"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. g4 Be7 9. g5 Nfd7 10. h4 Nc6 11. Be3 Nb6 12. Qd2 Rc8 13. 0-0-0 Nb4 14. Kb1 Nc4 15. Bxc4 Bxc4 16. a3 Nd3 17. Nc1 Nc5 18. f4 b5 19. f5 f6 20. gxf6 gxf6 21. Rhg1 Bf8 22. N1e2 h5 23. Bxc5 dxc5 24. Qe3 Qc7 25. Nd5 Bxd5 26. Rxd5 Rd8 27. Nc3 b4 28. axb4 cxb4 29. Rxd8+ Qxd8 30. Nd5 Rh7 31. Rg6 Rf7 32. Qe2 Qa5 33. Nxf6+ Kd8 34. Qc4 Rc7 35. Qd3+ Kc8 36. Rg8 Rf7 37. Qc4+ Rc7 38. Rxf8+ Kb7 1-0

[Event "Arad op"]
[Site "Arad"]
[Date "2013.08.05"]
[Round "4"]
[White "Kasparov, Sergey"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2484"]
[BlackElo "2272"]
[PlyCount "45"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 Qc7 7. c3 c4 8. b3 d5 9. exd5 Nxd5 10. Na3 N5b6 11. Qe2 Rc8 12. Nb5 Qb8 13. bxc4 Nxc4 14. d3 a6 15. Nbd4 Ncb6 16. Nf5 e6 17. Ng5 Rc6 18. Nd4 Qd6 19. Qf3 Ne5 20. Rxe5 Qxe5 21. Qxf7+ Kd8 22. Nxc6+ bxc6 23. Bf4 1-0

[Event "Arad op"]
[Site "Arad"]
[Date "2012.07.29"]
[Round "3"]
[White "Costin, Petrica"]
[Black "Sandru, Nicolae"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2135"]
[BlackElo "1893"]
[PlyCount "63"]
[EventDate "2012.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Bf5 4. Nc3 Qa5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bd2 c6 8. Nf3 Nf6 9. Ne4 Qd8 10. 0-0 Be7 11. Rfe1 Nxe4 12. Qxe4 Nd7 13. c4 0-0 14. Rad1 Re8 15. Bc3 Bf6 16. Ne5 Qc7 17. f4 Rad8 18. Rd3 g6 19. Kh1 Bg7 20. Nxd7 Qxd7 21. b4 b6 22. Red1 a6 23. Qf3 b5 24. cxb5 cxb5 25. a3 Qd5 26. Qe3 Rc8 27. Bb2 Rc6 28. Rc1 Bf8 29. Kg1 Bd6 30. Rcc3 Kf8 31. Kf2 Rec8 32. Qd2 0-1

[Event "Arad op"]
[Site "Arad"]
[Date "2012.07.28"]
[Round "2"]
[White "Manolache, Marius"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2549"]
[BlackElo "2135"]
[PlyCount "99"]
[EventDate "2012.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qc2 e6 5. e3 a6 6. Nbd2 Bd6 7. Bd3 Nbd7 8. 0-0 0-0 9. b3 Qe7 10. Bb2 h6 11. Rfe1 Ba3 12. Rad1 Bxb2 13. Qxb2 Re8 14. Ne5 Nf8 15. b4 dxc4 16. Ndxc4 Nd5 17. a3 f6 18. Nf3 b5 19. Na5 Bd7 20. Bb1 Ra7 21. Ba2 Kh8 22. Qc1 Rc8 23. e4 Nb6 24. Qe3 Qd8 25. Rc1 Na4 26. Rc2 Rac7 27. Rec1 Be8 28. Bb3 Qd7 29. Bxa4 bxa4 30. Rc5 Ng6 31. h3 Qe7 32. Nc4 Rd8 33. Nb6 Qd6 34. Nxa4 Ne7 35. Nb6 Rb7 36. Nc4 Qb8 37. Nfd2 Rb5 38. Nb3 e5 39. dxe5 fxe5 40. Nxe5 Rxc5 41. Qxc5 Qd6 42. Qxd6 Rxd6 43. Nc5 Rd4 44. f3 a5 45. bxa5 Nc8 46. Rb1 Kh7 47. Rb7 Rd1+ 48. Kh2 Ra1 49. a4 Nd6 50. a6 1-0

[Event "Arad op"]
[Site "Arad"]
[Date "2012.07.27"]
[Round "8"]
[White "Costin, Petrica"]
[Black "Petrisor, Adrian Marian"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "2135"]
[BlackElo "2397"]
[PlyCount "92"]
[EventDate "2012.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Be2 e6 8. Qd2 b5 9. a3 Bb7 10. f3 h6 11. Be3 Rc8 12. g4 Ne5 13. h4 d5 14. exd5 Nxd5 15. Nxd5 Qxd5 16. Rg1 Be7 17. Bf2 Nc4 18. Bxc4 Qxc4 19. c3 0-0 20. Qe2 g6 21. Qxc4 bxc4 22. Ke2 e5 23. Nc2 Rfd8 24. Rgd1 Bc6 25. Ne3 Ba4 26. Rxd8+ Bxd8 27. Kd2 f6 28. Rh1 Bc6 29. Ke2 Rb8 30. Rb1 Be7 31. Nd1 Ba4 32. Be3 Bc2 33. Rc1 Bxd1+ 34. Rxd1 Rxb2+ 35. Rd2 Rxd2+ 36. Kxd2 h5 37. a4 Kf7 38. Bb6 Ke6 39. Ke3 Kd5 40. Bc7 f5 41. g5 Bc5+ 42. Ke2 e4 43. Bg3 exf3+ 44. Kxf3 Bd6 45. Be1 Be5 46. Ke3 Kc5 0-1

[Event "Baile Felix Cup 27th"]
[Site "Baile Felix"]
[Date "2012.06.03"]
[Round "4"]
[White "Costin, Petrica"]
[Black "Kovalcsik, Zoltan"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2160"]
[BlackElo "1888"]
[PlyCount "96"]
[EventDate "2012.06.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd3 Nf6 6. Nge2 Bg4 7. 0-0 e6 8. Ne4 Nxe4 9. Bxe4 Bd6 10. Qd3 Nd7 11. h3 Bh5 12. Nf4 Bg6 13. Nxg6 hxg6 14. c4 0-0-0 15. Bd2 Qh5 16. Bf3 Qh4 17. Qe4 Qxe4 18. Bxe4 Rh4 19. f3 Be7 20. Be1 Rh5 21. Bf2 Kb8 22. Rfd1 Bh4 23. Be3 Bg3 24. b4 f5 25. Bc2 Nb6 26. Bb3 g5 27. a4 g4 28. fxg4 fxg4 29. a5 Nd7 30. hxg4 Rh2 31. Ra2 Rdh8 32. Kf1 Nf6 33. Bg1 Rh1 34. Ke2 Ne4 35. Kd3 Nf6 36. g5 Ng4 37. Re2 e5 38. d5 cxd5 39. cxd5 Bf4 40. Ke4 R1h5 41. g6 Nf6+ 42. Kf3 Rg5 43. Bf2 Rh2 44. Rg1 Nh5 45. Bc2 Ng3 46. Bxg3 Rxg3+ 47. Kf2 Rh8 48. Be4 Rf8 1/2-1/2

[Event "Baile Felix Cup 27th"]
[Site "Baile Felix"]
[Date "2012.06.02"]
[Round "3"]
[White "Cordea, David"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1989"]
[BlackElo "2160"]
[PlyCount "118"]
[EventDate "2012.06.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 e6 5. d3 Be7 6. 0-0 Nc6 7. a3 a5 8. a4 0-0 9. Na3 Bd7 10. Bg5 h6 11. Bh4 g5 12. Bg3 Nh5 13. Nb5 Nxg3 14. hxg3 Na7 15. d4 Nxb5 16. Bxb5 Bxb5 17. axb5 cxd4 18. Qxd4 Bf6 19. Qd3 Qb6 20. Rfd1 Rfd8 21. Qc4 Rac8 22. Qa4 Rc5 23. Qxa5 Rxb5 24. Qxb6 Rxb6 25. Ra2 Rc8 26. Kf1 Rc4 27. Nd2 Rc5 28. Ke2 Kg7 29. Nf1 Re5 30. f3 d5 31. Nd2 dxe4 32. Nxe4 Be7 33. Rd7 Bf8 34. Kd3 Kg6 35. b4 f5 36. Nd2 Rd6+ 37. Rxd6 Bxd6 38. g4 Rd5+ 39. Ke2 fxg4 40. fxg4 Bf4 41. Nf3 h5 42. gxh5+ Kxh5 43. c4 Rd7 44. Ra5 e5 45. g4+ Kh6 46. Rd5 Re7 47. c5 Kg6 48. Nd2 e4 49. Rd4 e3 50. Re4 Rh7 51. Nf1 Kf6 52. Nxe3 Rh2+ 53. Kd3 Rh3 54. Kd4 Bxe3+ 55. Rxe3 Rxe3 56. Kxe3 Ke5 57. Kd3 Kd5 58. Kc3 Kc6 59. Kc4 b5+ 1-0

[Event "Baile Felix Cup 27th"]
[Site "Baile Felix"]
[Date "2012.06.02"]
[Round "2"]
[White "Costin, Petrica"]
[Black "Iancu, Ioan"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2160"]
[BlackElo "1891"]
[PlyCount "59"]
[EventDate "2012.06.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Nc7 8. Bc4 Bg7 9. Bf4 0-0 10. Nc3 a6 11. a4 Ne6 12. Bg3 Qa5 13. 0-0 Nc7 14. Rfd1 Qb4 15. Ra3 e6 16. Rb3 Qc5 17. Ra3 Rb8 18. Ne2 b5 19. axb5 axb5 20. Bb3 b4 21. Ra4 Rb5 22. Ned4 Nxd4 23. Rxd4 Bb7 24. Qd3 Bxf3 25. Rc4 Qb6 26. gxf3 Nd5 27. Rd4 Rb8 28. Bxd5 exd5 29. Rxd5 Rxd5 30. Qxd5 1-0

[Event "Arad op-A"]
[Site "Arad"]
[Date "2011.08.09"]
[Round "7"]
[White "Dobre, Claudiu Cristian"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2353"]
[BlackElo "2077"]
[PlyCount "49"]
[EventDate "2011.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 d6 5. Ne2 Bd7 6. d4 Qe7 7. c4 a6 8. Bxc6 Bxc6 9. 0-0 g6 10. Nbc3 Bg7 11. Qd2 0-0 12. Rae1 Rad8 13. d5 Bd7 14. f4 Nh5 15. Ng3 Qh4 16. Nce4 Rde8 17. fxe5 Nxg3 18. hxg3 Qe7 19. Nf6+ Bxf6 20. exf6 Qd8 21. e4 Kh8 22. Qh6 Rg8 23. Kf2 Re5 24. Bxe5 dxe5 25. Qxh7+ 1-0

[Event "Arad op-A"]
[Site "Arad"]
[Date "2011.08.08"]
[Round "5"]
[White "Garbea, Bogdan"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2258"]
[BlackElo "2077"]
[PlyCount "71"]
[EventDate "2011.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nd7 3. Nc3 e5 4. d5 g6 5. e4 Bg7 6. Bd3 Ne7 7. Nf3 0-0 8. 0-0 h6 9. Rb1 f5 10. b4 a5 11. a3 Nf6 12. Nd2 fxe4 13. Ndxe4 Nxe4 14. Bxe4 axb4 15. axb4 Bf5 16. Qe2 Kh7 17. c5 Bxe4 18. Qxe4 Nf5 19. Qc4 Nd4 20. Be3 Nf5 21. Nb5 Nxe3 22. fxe3 Qe7 23. cxd6 cxd6 24. Rfc1 Rac8 25. Qxc8 Rxc8 26. Rxc8 Qd7 27. Na7 Qa4 28. Ra8 Qa2 29. Rf1 Qxd5 30. Nc8 Qd2 31. Raa1 Qxe3+ 32. Kh1 d5 33. Nd6 g5 34. Rf7 Kg6 35. Rxg7+ Kh5 36. Nf5 1-0

[Event "Arad op-A"]
[Site "Arad"]
[Date "2011.08.06"]
[Round "2"]
[White "Costin, Petrica"]
[Black "Smith, Bryan G"]
[Result "0-1"]
[ECO "A68"]
[WhiteElo "2077"]
[BlackElo "2503"]
[PlyCount "37"]
[EventDate "2011.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 b5 10. 0-0 c4 11. Bc2 b4 12. Nb5 Qb6+ 13. Nbd4 Nbd7 14. Re1 Ba6 15. Kh1 Nc5 16. e5 dxe5 17. Nc6 Ng4 18. Qe2 Nd3 19. Bxd3 0-1

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.20"]
[Round "8"]
[White "Szatmari, Alexandru"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1900"]
[BlackElo "2077"]
[PlyCount "55"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 d6 4. d4 Nbd7 5. e4 e5 6. d5 Bg7 7. Bd3 0-0 8. 0-0 Nh5 9. Ne2 f5 10. Ng3 f4 11. Nxh5 gxh5 12. h3 Kh8 13. Kh2 h4 14. b4 a5 15. Bd2 axb4 16. Bxb4 b6 17. a4 Rg8 18. a5 Nc5 19. Bc2 Ba6 20. Qe2 Bf6 21. Bxc5 bxc5 22. Ba4 Qf8 23. Rab1 Qg7 24. Ne1 f3 25. Qxf3 Bxc4 26. Bc6 Raf8 27. g4 hxg3+ 28. fxg3 0-1

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.19"]
[Round "7"]
[White "Costin, Petrica"]
[Black "Chetrari, Nikita"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2077"]
[BlackElo "1689"]
[PlyCount "73"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Be6 6. 0-0 Nc6 7. Re1 Qd7 8. c4 0-0-0 9. c5 Be7 10. Bb5 Bf6 11. Ne5 Bxe5 12. Rxe5 Nge7 13. Na3 a6 14. Ba4 Rdg8 15. Nc2 Kd8 16. Nb4 f6 17. Re1 Ke8 18. Qe2 Kf7 19. Be3 Ra8 20. Rad1 Rhe8 21. a3 a5 22. Nxc6 Nxc6 23. Qh5+ Kg8 24. h3 Bf7 25. Qh4 Re4 26. Qg3 Rae8 27. Bc2 R4e7 28. Kh2 Bh5 29. Rd2 Bf7 30. h4 Kh8 31. Rh1 b5 32. Kg1 b4 33. h5 Be6 34. Qf4 Rf8 35. Ba4 Qc8 36. g4 Qe8 37. b3 1-0

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.19"]
[Round "6"]
[White "Rucsandescu, Dan"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "1864"]
[BlackElo "2077"]
[PlyCount "78"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 Nbd7 4. Nc3 c6 5. g3 e5 6. e4 Be7 7. Bg2 Qc7 8. 0-0 0-0 9. h3 Re8 10. Be3 Nf8 11. Qc2 Ng6 12. Rad1 h6 13. b3 Nh5 14. Rfe1 b6 15. Rd2 Bb7 16. Red1 Rad8 17. c5 dxc5 18. dxc5 b5 19. Ne2 Bc8 20. g4 Nhf4 21. Nxf4 Nxf4 22. Bxf4 exf4 23. Nd4 Bg5 24. Bf3 Re5 25. Nf5 Rxd2 26. Rxd2 a5 27. a3 Be6 28. b4 g6 29. Nd6 Kf8 30. Qc3 Bf6 31. Qd3 a4 32. Kg2 Bb3 33. Bd1 Be6 34. Bc2 Qd7 35. Qf3 Bxg4 36. hxg4 Rg5 37. Kf1 Rxg4 38. e5 Bxe5 39. Nc4 Bd4 1-0

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.18"]
[Round "5"]
[White "Drenchev, Petar"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2523"]
[BlackElo "2077"]
[PlyCount "86"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 e6 4. g3 d5 5. Nc3 Nf6 6. Bd2 Be7 7. Bg2 0-0 8. 0-0 Re8 9. Re1 d4 10. Ne2 e5 11. h3 Bd7 12. g4 h5 13. g5 Nh7 14. Qc1 g6 15. Ng3 Rc8 16. a4 b6 17. b3 a6 18. h4 Bf8 19. Rf1 Be6 20. Kh2 b5 21. axb5 axb5 22. Ra6 Bd6 23. Kg1 c4 24. Qd1 c3 25. Bc1 Bg4 26. Ne2 Nb4 27. Rxd6 Qxd6 28. Ba3 Bxf3 29. Bxf3 Ra8 30. Qc1 Ra6 31. Bg2 Nxd3 32. Bxd6 Nxc1 33. Nxc1 Rxd6 34. Nd3 Ra8 35. f4 Rda6 36. Rf2 Ra1+ 37. Kh2 Rd1 38. Nxe5 Rd2 39. Kg1 Rxf2 40. Kxf2 Ra2 41. Bf1 Rxc2+ 42. Kf3 Rd2 43. Bxb5 c2 0-1

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.17"]
[Round "4"]
[White "Czegledi, Daniel"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1529"]
[BlackElo "2077"]
[PlyCount "68"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Nbd2 Nbd7 4. e4 e5 5. b3 c6 6. dxe5 dxe5 7. Bb2 Qa5 8. Bd3 Bd6 9. 0-0 b5 10. a4 Qb6 11. axb5 cxb5 12. c4 b4 13. Ra2 Nc5 14. Bc2 Qc7 15. Qa1 Nfd7 16. Ne1 f6 17. Nd3 Qb6 18. Nxc5 Nxc5 19. Ra5 a6 20. Rb5 Qa7 21. Rxc5 Bxc5 22. Nf3 0-0 23. Nh4 Be6 24. Nf5 Rfd8 25. Bc1 Bxf5 26. exf5 Bd4 27. Qa2 Qb7 28. Be3 Bxe3 29. fxe3 Rd2 30. Rf2 Rad8 31. Qb1 Rxf2 32. Kxf2 Rd2+ 33. Ke1 Qxg2 34. Bd3 Qf2# 0-1

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.16"]
[Round "3"]
[White "Costin, Petrica"]
[Black "Bulmaga, Elena"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2077"]
[BlackElo "1791"]
[PlyCount "133"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Ne2 Nf6 6. 0-0 Bg4 7. c3 e6 8. Bg5 Bd6 9. Re1 0-0 10. Qc2 h6 11. Bh4 Rc8 12. f3 Bh5 13. Bg3 Nb4 14. Qd2 Nxd3 15. Qxd3 Bg6 16. Qd1 Bxg3 17. Nxg3 b5 18. Nd2 Qb6 19. Qb3 a5 20. a3 Nd7 21. Kh1 Rb8 22. f4 Qd6 23. Rf1 Bd3 24. Rf3 Bc4 25. Qc2 Rfc8 26. b3 b4 27. bxc4 dxc4 28. axb4 axb4 29. cxb4 Rxb4 30. Qc3 Nf6 31. Nge4 Nxe4 32. Nxe4 Qb6 33. Rc1 Rb3 34. Qxb3 cxb3 35. Rxc8+ Kh7 36. Rc1 b2 37. Rb1 Qxd4 38. Ng3 Qd2 39. Rff1 Qc2 40. Rfe1 g6 41. Kg1 Kg7 42. Ne2 h5 43. h3 Qd2 44. Kf1 Kf6 45. Red1 Qc2 46. Ke1 Kg7 47. Kf1 Kf6 48. Nd4 Qc3 49. Kg1 Qe3+ 50. Kh1 Qc3 51. Kh2 Kg7 52. Nf3 Qc2 53. Ne1 Qc4 54. Nd3 Qc2 55. Nxb2 Qe4 56. Nd3 h4 57. Rb2 Qe3 58. Rf2 Qg3+ 59. Kg1 Qe3 60. Ne5 f6 61. Rd7+ Kg8 62. Ng4 Qe1+ 63. Rf1 Qc3 64. Kh1 f5 65. Rb1 Qc8 66. Nf6+ Kf8 67. Rh7 1-0

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.16"]
[Round "2"]
[White "Vedmediuc, Serghei"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2440"]
[BlackElo "2077"]
[PlyCount "43"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nf3 Bg4 6. h3 Bh5 7. g3 Nf6 8. Bg2 e6 9. Bf4 Qd8 10. g4 Bg6 11. Ne5 Nd5 12. Nxd5 exd5 13. h4 f6 14. Nxg6 hxg6 15. Qd3 Kf7 16. c4 Bb4+ 17. Kf1 Qa5 18. h5 g5 19. Qg6+ Kf8 20. h6 Rg8 21. Re1 Nd7 22. hxg7+ 1-0

[Event "Satu Mare op 2nd"]
[Site "Satu Mare"]
[Date "2011.07.15"]
[Round "1"]
[White "Costin, Petrica"]
[Black "Egli, Ioan"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2077"]
[BlackElo "1673"]
[PlyCount "20"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. c3 Be7 4. d4 Nd7 5. Bc4 Ngf6 6. Ng5 0-0 7. Qb3 Qe8 8. Nd2 h6 9. Ngf3 c6 10. 0-0 b5 1-0

[Event "Baile Felix Cup 26th"]
[Site "Baile Felix"]
[Date "2011.05.24"]
[Round "7"]
[White "Costin, Petrica"]
[Black "Turlea, Constantin"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "2117"]
[BlackElo "1998"]
[PlyCount "50"]
[EventDate "2011.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. g4 h6 8. Be3 b5 9. a3 Bb7 10. f3 Nbd7 11. Qd2 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. 0-0-0 Be7 15. h4 Qc7 16. Kb1 Rc8 17. g5 h5 18. Rhg1 g6 19. f4 Nb6 20. Nb3 Nc4 21. Qc3 Nxa3+ 22. Ka2 Qxc3 23. bxc3 Nxc2 24. Bd4 Nxd4 25. cxd4 Rc2+ 0-1

[Event "Baile Felix Cup 26th"]
[Site "Baile Felix"]
[Date "2011.05.23"]
[Round "6"]
[White "Iovan, Vasile"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1931"]
[BlackElo "2117"]
[PlyCount "64"]
[EventDate "2011.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. exd6 cxd6 6. c4 Nf6 7. Bd3 Bg7 8. Nc3 0-0 9. 0-0 Nbd7 10. Bg5 h6 11. Be3 e5 12. Qd2 Ng4 13. h3 Nxe3 14. fxe3 f5 15. Bc2 e4 16. Nh2 Nf6 17. Rad1 Bd7 18. Qe1 Rc8 19. Qg3 Kh7 20. Bb3 Qe7 21. Qe1 Be6 22. Qe2 Nh5 23. Qe1 Bxc4 24. Bxc4 Rxc4 25. Nd5 Qf7 26. g4 Qxd5 27. gxh5 g5 28. b3 Rc7 29. Kh1 f4 30. Ng4 Rcf7 31. Qe2 Rc7 32. Kh2 Qf5 0-1

[Event "Baile Felix Cup 26th"]
[Site "Baile Felix"]
[Date "2011.05.22"]
[Round "5"]
[White "Costin, Petrica"]
[Black "Secheres, Adrian Simion"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2117"]
[BlackElo "1898"]
[PlyCount "92"]
[EventDate "2011.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 d6 5. Bb5+ Bd7 6. Bc4 e6 7. 0-0 Ne7 8. Kh1 0-0 9. d4 cxd4 10. Nxd4 a6 11. a4 Nbc6 12. Be3 Rc8 13. Be2 Na5 14. Qd2 Nc4 15. Bxc4 Rxc4 16. Rad1 Qc7 17. Nde2 Nc8 18. e5 d5 19. b3 Rc6 20. Rc1 Ne7 21. a5 Qxa5 22. b4 Qd8 23. Bc5 b6 24. Bd6 Re8 25. Nd4 Rc4 26. b5 Nc8 27. Ba3 a5 28. Rf3 f6 29. Re1 fxe5 30. fxe5 Qh4 31. Rd3 Bf8 32. Bxf8 Rxf8 33. Nf3 Qf4 34. Qf2 Rc5 35. Rd4 Qf7 36. Qd2 Ne7 37. Qd3 Nf5 38. Rf4 Qg7 39. Rf1 Re8 40. Ne2 Bxb5 41. Qd1 Ne3 42. Qe1 Nxf1 43. Qxf1 Rxc2 44. Nfg1 Bxe2 45. Nxe2 Qxe5 46. Rf2 Rxe2 0-1

[Event "Baile Felix Cup 26th"]
[Site "Baile Felix"]
[Date "2011.05.22"]
[Round "4"]
[White "Csomos, Janos"]
[Black "Costin, Petrica"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1843"]
[BlackElo "2117"]
[PlyCount "49"]
[EventDate "2011.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 e5 6. 0-0 0-0 7. e3 Nh5 8. d4 e4 9. Nxe4 Re8 10. Nc3 f5 11. b3 Nc6 12. Bb2 Nf6 13. Qc2 Bd7 14. Rad1 Nb4 15. Qb1 c6 16. a3 Na6 17. b4 Nc7 18. d5 cxd5 19. cxd5 Rc8 20. Nd4 Qe7 21. Rfe1 Qf7 22. Nb3 b6 23. Rd2 Ng4 24. Qd1 Ne5 25. Qe2 0-1

[Event "Baile Felix Cup 26th"]
[Site "Baile Felix"]
[Date "2011.05.21"]
[Round "3"]
[White "Costin, Petrica"]
[Black "Bogdan, Dan"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2117"]
[BlackElo "2358"]
[PlyCount "35"]
[EventDate "2011.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e5 6. Nc3 Nge7 7. Be3 d6 8. h3 0-0 9. Qd2 Rb8 10. Ne2 b6 11. c3 d5 12. 0-0 Ba6 13. Rfe1 Qd6 14. Qc1 Rbc8 15. c4 dxe4 16. dxe4 Nd4 17. b3 Rcd8 18. Nc3 0-1

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.03.03"]
[Round "9"]
[White "Costin, Petrica"]
[Black "Muller, Wim"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2156"]
[BlackElo "2020"]
[PlyCount "37"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Nbd5 10. 0-0 Nxc3 11. bxc3 Be4 12. Qb5+ Qd7 13. a4 c6 14. Qb3 Bd6 15. Rd1 0-0-0 16. Bg5 Qc7 17. a5 h6 18. Bc1 g5 19. c4 1-0

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.03.02"]
[Round "8"]
[White "Bumba, Dorel"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2160"]
[BlackElo "2156"]
[PlyCount "47"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 a6 6. Be3 Nf6 7. Qd2 e6 8. f3 Be7 9. 0-0-0 0-0 10. g4 Qc7 11. g5 Nd7 12. f4 Na5 13. b3 b5 14. f5 Ne5 15. fxe6 fxe6 16. Bh3 Nac4 17. Qe1 Qa5 18. Kb1 Nxe3 19. Qxe3 Bd7 20. Rhf1 Rac8 21. Rxf8+ Bxf8 22. Nce2 Qb6 23. c3 Qc5 24. Qg3 1-0

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.03.01"]
[Round "7"]
[White "Costin, Petrica"]
[Black "Marchis, Arghil"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2156"]
[BlackElo "2037"]
[PlyCount "62"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nf3 e6 4. Bg5 Be7 5. Nc3 0-0 6. Bxf6 Bxf6 7. e3 c5 8. cxd5 cxd4 9. exd4 exd5 10. Be2 Nd7 11. 0-0 Nb6 12. Re1 Bd7 13. Ne5 Bxe5 14. dxe5 Be6 15. Nb5 Bd7 16. Nd6 Bc6 17. b4 a6 18. Qd4 f6 19. Bg4 g6 20. Be6+ Kg7 21. f4 Nc4 22. Nxc4 dxc4 23. Qxc4 fxe5 24. fxe5 Qg5 25. Bh3 Rac8 26. e6 h5 27. Qd4+ Kh7 28. Re5 Qe7 29. a3 Rf6 30. Rae1 Rd8 31. Qe3 Rd6 1-0

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.02.28"]
[Round "6"]
[White "Luca, Ionel"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2160"]
[BlackElo "2156"]
[PlyCount "47"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 e5 4. Bg2 Be7 5. Nf3 0-0 6. d4 Nbd7 7. 0-0 c6 8. b3 Re8 9. c5 Qc7 10. cxd6 Bxd6 11. Bb2 e4 12. Ng5 e3 13. f4 Ng4 14. Rc1 Ndf6 15. Qd3 Nf2 16. Qb1 Bxf4 17. Nd5 Qd6 18. Nxf6+ Qxf6 19. Qxh7+ Kf8 20. gxf4 Ke7 21. Ne4 Nxe4 22. Qxe4+ Kf8 23. Ba3+ Kg8 24. Qxe8+ 1-0

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.02.27"]
[Round "5"]
[White "Costin, Petrica"]
[Black "Helmer, Janos"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2156"]
[BlackElo "2209"]
[PlyCount "30"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 d6 5. Re1 g6 6. d4 Bd7 7. Bxc6 Nxc6 8. d5 Ne7 9. c4 Bg7 10. b4 a5 11. b5 0-0 12. Nc3 h6 13. a4 f5 14. Nd2 Kh7 15. Nf1 b6 1/2-1/2

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.02.26"]
[Round "3"]
[White "Costin, Petrica"]
[Black "Bonte, Andrei Mihai"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2156"]
[BlackElo "2331"]
[PlyCount "90"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 b6 10. Bg5+ Ke8 11. Rad1 Be6 12. a3 h6 13. Bc1 Rd8 14. Rxd8+ Kxd8 15. Rd1+ Kc8 16. h3 g5 17. b3 c5 18. Ne4 a5 19. Bd2 Bd5 20. Re1 Ng7 21. c4 Bb7 22. Bc3 Ne6 23. g3 Bg7 24. Kf1 Rd8 25. Nfd2 Rd3 26. Ke2 Rd8 27. Kf1 Bc6 28. a4 Kb7 29. f3 h5 30. Kf2 h4 31. Re3 hxg3+ 32. Kxg3 Nd4 33. Kf2 Ne6 34. Kg3 Bf8 35. Nf6 Be7 36. Nde4 Rh8 37. Nd5 Bd8 38. Nf2 Rh4 39. Ng4 Kc8 40. Rd3 Bxd5 41. cxd5 Rxh3+ 42. Kxh3 Nf4+ 43. Kg3 Nxd3 44. Nh6 Nf4 45. Nxf7 Ne2+ 0-1

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.02.26"]
[Round "4"]
[White "Szabo, Attila"]
[Black "Costin, Petrica"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2292"]
[BlackElo "2156"]
[PlyCount "67"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nc6 4. Bg2 Nf6 5. Nc3 e6 6. 0-0 Be7 7. d4 cxd4 8. Nxd4 Qc7 9. Be3 Bd7 10. h3 a6 11. a4 0-0 12. Qe2 Rac8 13. g4 h6 14. Kh1 Rfe8 15. f4 Nxd4 16. Bxd4 e5 17. Be3 Qc4 18. Qf3 b5 19. axb5 axb5 20. g5 hxg5 21. fxg5 Nh7 22. Nd5 Be6 23. Nb6 Qc7 24. Nxc8 Qxc8 25. h4 Qxc2 26. Rf2 Qc8 27. Ra7 Nf8 28. h5 Nd7 29. h6 g6 30. Bh3 Nc5 31. Rxe7 Rxe7 32. Qf6 Qf8 33. Bxe6 Rxe6 34. h7+ 1-0

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.02.25"]
[Round "2"]
[White "Hristodorescu, Daniel"]
[Black "Costin, Petrica"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2198"]
[BlackElo "2156"]
[PlyCount "34"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. Bxc6+ bxc6 5. 0-0 g6 6. Re1 Bg7 7. c3 e6 8. d4 cxd4 9. cxd4 Ne7 10. Nc3 0-0 11. Be3 Qa5 12. Qd2 Bb7 13. Nd5 Qd8 14. Nxe7+ Qxe7 15. Bh6 Rfc8 16. Bxg7 Kxg7 17. Rac1 Rc7 1/2-1/2

[Event "Satu Mare Ariston"]
[Site "Satu Mare"]
[Date "2011.02.24"]
[Round "1"]
[White "Costin, Petrica"]
[Black "Posedaru, Bogdan Stefan"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2156"]
[BlackElo "2322"]
[PlyCount "76"]
[EventDate "2011.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 d6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e5 7. c3 Nge7 8. h3 0-0 9. Be3 b6 10. d4 Ba6 11. Re1 Rc8 12. Qd2 cxd4 13. cxd4 exd4 14. Nxd4 Ne5 15. Na3 Nd3 16. Red1 d5 17. Rab1 dxe4 18. Bxe4 Nc5 19. Bg2 Bd3 20. Ndc2 Bf5 21. Qe2 Qe8 22. g4 Be6 23. b3 Nc6 24. Nb5 Nb7 25. Nxa7 Nxa7 26. Bxb7 Nb5 27. Bxc8 Nc3 28. Qd3 Qxc8 29. Bxb6 Nxb1 30. Rxb1 Qa8 31. a4 Rc8 32. Rd1 Qc6 33. Be3 Qxc2 34. Qxc2 Rxc2 35. Rd8+ Bf8 36. Bh6 Rc8 37. Rxc8 Bxc8 38. Bxf8 Kxf8 0-1

