[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.02.18"]
[Round "4"]
[White "Murillo Arguedas, Jaime"]
[Black "Araya Umana, Carlos"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1705"]
[BlackElo "1834"]
[PlyCount "87"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. e3 0-0 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nbd7 10. 0-0 Re8 11. Qc2 h6 12. e4 Bb4 13. e5 Bxc3 14. Bxc3 Nd5 15. Nd2 b5 16. Bxd5 cxd5 17. Nb3 a5 18. a3 Qb6 19. Qd2 a4 20. Na1 Bb7 21. Nc2 Rec8 22. Nb4 Rc4 23. Qe3 Re8 24. f4 f5 25. g4 fxg4 26. Nd3 Rc7 27. f5 exf5 28. Rxf5 Nf6 29. Rcf1 Ne4 30. Bb4 Qg6 31. Rf8+ Rxf8 32. Rxf8+ Kh7 33. Qf4 g3 34. h4 Qh5 35. Ne1 Bc8 36. e6 Rc4 37. e7 Qe2 38. e8Q Qh2+ 39. Kf1 Bh3+ 40. Ng2 Qxg2+ 41. Ke1 Qg1+ 42. Ke2 Rc2+ 43. Bd2 Bg4+ 44. Kd3 1-0

[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.02.04"]
[Round "2"]
[White "Solano Arias, Saul"]
[Black "Murillo Arguedas, Jaime"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1392"]
[BlackElo "1705"]
[PlyCount "130"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bc4 a6 5. a4 Qc7 6. 0-0 Nf6 7. d3 Be7 8. Be3 0-0 9. Qd2 Rd8 10. Bg5 h6 11. Bxf6 Bxf6 12. Rfe1 Ne5 13. Nxe5 Bxe5 14. h3 b6 15. Rad1 Bb7 16. Qe2 Bc6 17. Ra1 Bd4 18. Kh1 Bxc3 19. bxc3 d5 20. exd5 exd5 21. Bb3 Re8 22. Qh5 Rxe1+ 23. Rxe1 c4 24. dxc4 dxc4 25. Bxc4 Bxg2+ 26. Kxg2 Qxc4 27. Qf3 Rd8 28. Qb7 Qd5+ 29. Qxd5 Rxd5 30. Re8+ Kh7 31. Rb8 Rd6 32. Kf3 g5 33. Re8 Rf6+ 34. Ke3 Kg6 35. Re4 Re6 36. Rxe6+ fxe6 37. Ke4 Kf6 38. f3 h5 39. c4 a5 40. c3 e5 41. Kd5 Kf5 42. Kc6 e4 43. fxe4+ Kxe4 44. Kxb6 g4 45. c5 g3 46. c6 g2 47. c7 g1Q+ 48. Kb7 Qg7 49. Kb8 Qe5 50. Kb7 Qd5+ 51. Ka6 Qc6+ 52. Kxa5 Qxc7+ 53. Kb4 Kd5 54. Kb3 Qc4+ 55. Kb2 Qxa4 56. h4 Qxh4 57. Kb3 Qc4+ 58. Kb2 h4 59. Kc2 h3 60. Kb2 h2 61. Ka3 Qxc3+ 62. Ka2 Qg3 63. Kb2 h1Q 64. Kc2 Qhh2+ 65. Kc1 Qgg1# 0-1

[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.01.28"]
[Round "1"]
[White "Murillo Arguedas, Jaime"]
[Black "Jimenez Esquivel, Greivin"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1705"]
[BlackElo "1888"]
[PlyCount "90"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Bg7 6. Nf3 0-0 7. Bc4 Nb6 8. Be2 Nc6 9. 0-0 Re8 10. a3 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Qxd8 Rxd8 14. Rd1 Be6 15. f4 Bxc3 16. bxc3 Na4 17. Bf3 Rxd1+ 18. Bxd1 Nxc3 19. Bf3 Bd5 20. Bb2 Bxf3 21. gxf3 Na4 22. Bf6 c5 23. Rd1 b5 24. Kf2 a5 25. Ke1 Rc8 26. Rd8+ Rxd8 27. Bxd8 b4 28. axb4 axb4 29. Bf6 Kf8 30. Kd2 Ke8 31. Kc2 c4 32. h4 Kd7 33. e4 h5 34. Bd4 Kc6 35. Kb1 Nc5 36. f5 gxf5 37. exf5 Nd3 38. Ka2 Kd5 39. Bf6 Ne1 40. f4 Nd3 41. Be7 b3+ 42. Ka3 b2 43. Ka2 c3 44. Bf6 Kc4 45. Bg7 Nb4+ 0-1

[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.06.04"]
[Round "3"]
[White "Vega Araya, Edwin"]
[Black "Murillo Arguedas, Jaime"]
[Result "1/2-1/2"]
[ECO "B83"]
[WhiteElo "1880"]
[BlackElo "1723"]
[PlyCount "81"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 Nf6 7. 0-0 Be7 8. Kh1 0-0 9. f4 d6 10. Be3 Nxd4 11. Bxd4 Nd7 12. Nb5 Qb8 13. Bc3 a6 14. Nd4 Qc7 15. Qe1 Bf6 16. Qg3 Nc5 17. Bd3 e5 18. fxe5 Bxe5 19. Qg5 Na4 20. Nf5 f6 21. Nh6+ Kh8 22. Bxe5 dxe5 23. Qh4 Nxb2 24. Nf5 Bxf5 25. Rxf5 Nxd3 26. cxd3 Rad8 27. Rh5 g6 28. Rh6 Rxd3 29. Rxg6 Qf7 30. Rg3 Qxa2 31. Rf1 Qe2 32. Rg1 Rxg3 33. hxg3 Qe3 34. Rd1 Rf7 35. Rd8+ Kg7 36. Qh3 Rc7 37. Rd7+ Rxd7 38. Qxd7+ Kg6 39. Qf5+ Kg7 40. Qd7+ Kh6 41. Qh3+ 1/2-1/2

[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.05.28"]
[Round "2"]
[White "Murillo Arguedas, Jaime"]
[Black "Espinoza Guerrero, Warner"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "1723"]
[BlackElo "1825"]
[PlyCount "121"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Bg7 6. Bc4 c6 7. Qb3 e6 8. Nf3 Nd7 9. 0-0 0-0 10. Bd2 N7f6 11. Rfd1 b5 12. Be2 a5 13. Rac1 Bd7 14. Ne5 Qb6 15. Ne4 Rfd8 16. Nc5 Be8 17. e4 Ne7 18. Be3 Nd7 19. Nexd7 Bxd7 20. d5 Qb8 21. Nxd7 Rxd7 22. dxe6 Rxd1+ 23. Rxd1 Qe8 24. Bg4 f5 25. exf5 gxf5 26. Bf3 Rd8 27. Rxd8 Qxd8 28. Bxc6 a4 29. Qc2 Nxc6 30. h4 Qd6 31. Qxf5 Bxb2 32. Bc5 Qd1+ 33. Kh2 Qd8 34. Qf7+ Kh8 35. e7 Nxe7 36. Qxe7 Qxe7 37. Bxe7 Bc3 38. Kg3 b4 39. Kf4 a3 40. Bxb4 Bxb4 41. h5 Kg7 42. g4 h6 43. Kf5 Be1 44. f4 Bd2 45. g5 hxg5 46. fxg5 Bc1 47. Kg4 Bb2 48. Kf5 Kf7 49. h6 Bc1 50. g6+ Kg8 51. h7+ Kg7 52. Ke6 Bb2 53. Kd5 Kxg6 54. Kc4 Kxh7 55. Kd3 Kg6 56. Kc2 Kf5 57. Kb1 Ke4 58. Kc2 Ke3 59. Kb1 Kd4 60. Kc2 Kc4 61. Kb1 1/2-1/2

[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.05.21"]
[Round "1"]
[White "Jimenez Esquivel, Greivin"]
[Black "Murillo Arguedas, Jaime"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1904"]
[BlackElo "1723"]
[PlyCount "67"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 cxd4 5. exd4 Qb6 6. Qb3 Qxb3 7. axb3 Nf6 8. Nd2 Bf5 9. b4 e6 10. b5 Ne7 11. h3 Nc8 12. Ngf3 h6 13. g4 Bh7 14. Ne5 Bd6 15. f3 Nd7 16. Bh2 Nxe5 17. Bxe5 Bxe5 18. dxe5 Ne7 19. b6 Nc8 20. Bb5+ Ke7 21. bxa7 Nxa7 22. Be2 Nc6 23. Rxa8 Rxa8 24. f4 Ra1+ 25. Bd1 Bc2 26. Ke2 b5 27. Re1 Rxd1 28. Rxd1 Bxd1+ 29. Kxd1 g5 30. fxg5 hxg5 31. Nf3 f6 32. exf6+ Kxf6 33. Ke2 b4 34. Kd3 1/2-1/2

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "1.3"]
[White "Murillo Arguedas, Jaime"]
[Black "Solis L, Efren A"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1761"]
[BlackElo "1967"]
[PlyCount "78"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. g3 b6 4. Bg2 Bb7 5. 0-0 Nf6 6. Nc3 0-0 7. d3 d6 8. Rb1 Nbd7 9. b4 a5 10. a3 Ng4 11. Bd2 axb4 12. axb4 Rb8 13. h3 Nge5 14. Nxe5 Nxe5 15. Bxb7 Rxb7 16. Qc2 e6 17. Nb5 Qd7 18. Kh2 f6 19. f4 Nf7 20. e4 f5 21. Bc3 e5 22. exf5 gxf5 23. Bd2 c6 24. Nc3 d5 25. fxe5 Nxe5 26. cxd5 cxd5 27. Ne2 Ng6 28. Rbc1 Qd6 29. Qb3 Kh8 30. Nf4 Rd7 31. b5 Nxf4 32. Bxf4 Be5 33. Rc6 Qb8 34. Bxe5+ Qxe5 35. Qc3 d4 36. Qb4 Rg8 37. Rg1 f4 38. Qe1 fxg3+ 39. Kh1 g2+ 0-1

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "2.19"]
[White "Torrentes Arias, Greivin"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "1632"]
[BlackElo "1761"]
[PlyCount "53"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 Na6 7. Be2 c5 8. d5 e6 9. dxe6 fxe6 10. 0-0 Qe7 11. f4 Bd7 12. f5 Nb4 13. fxg6 hxg6 14. Bg5 a6 15. Na4 Rad8 16. a3 Nc6 17. Nb6 Be8 18. Bg4 Nd4 19. Ne2 Nc6 20. Nf4 Bf7 21. Qe1 Nd4 22. Qh4 Be8 23. Rae1 Nc6 24. Nxe6 Bd7 25. Nxf8 Bxg4 26. Nxg6 Qf7 27. Bxf6 1-0

[Event "CRI-ch sf"]
[Site "San Jose"]
[Date "2018.11.25"]
[Round "5"]
[White "Murillo Arguedas, Jaime"]
[Black "Zeledon Perez, Edgar"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1893"]
[BlackElo "1806"]
[PlyCount "82"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Be3 d5 5. e5 f6 6. f4 Nh6 7. Nf3 0-0 8. h3 fxe5 9. fxe5 e6 10. Bd3 c5 11. dxc5 Nc6 12. 0-0 Nf7 13. Ne2 Ncxe5 14. c3 Nxf3+ 15. Rxf3 e5 16. Rf2 Be6 17. Qd2 a5 18. a4 Qh4 19. b3 Qe7 20. Bb5 Rfd8 21. Raf1 Rac8 22. Nc1 d4 23. cxd4 exd4 24. Bf4 Qxc5 25. Nd3 Qb6 26. Qb2 Nd6 27. Bxd6 Qxd6 28. Re2 Rc3 29. Rc1 Bf5 30. Qd2 Qg3 31. Nf2 Rxc1+ 32. Qxc1 Rc8 33. Bc4+ Kh8 34. Qd2 Qc3 35. Qf4 d3 36. Rd2 Bd4 37. g4 Qa1+ 38. Kg2 Bd7 39. Nd1 Bc6+ 40. Kf1 Bc5 41. Bf7 Rf8 0-1

[Event "CRI-ch sf"]
[Site "San Jose"]
[Date "2018.11.25"]
[Round "6"]
[White "Vilpoux, Jeremie"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2061"]
[BlackElo "1893"]
[PlyCount "101"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. g3 d6 6. Bg2 c6 7. Ne2 0-0 8. 0-0 Bg4 9. h3 Be6 10. Nd2 Na6 11. c4 Re8 12. Nc3 Nc7 13. b4 d5 14. c5 Qd7 15. Kh2 f5 16. Re1 Re7 17. a4 a6 18. Qb3 Ne8 19. b5 Nf6 20. f3 Rae8 21. bxa6 bxa6 22. Qb6 Qc8 23. Bf1 Nd7 24. Qa5 Nb8 25. Reb1 Bd7 26. Nd1 g5 27. f4 Bf6 28. Ra3 Qd8 29. Qxd8 Rxd8 30. Rab3 Ree8 31. Rb6 h6 32. Nf3 a5 33. Nd2 Rc8 34. Rb7 Be6 35. Ra7 Bd8 36. Rbb7 Kf8 37. Nb3 gxf4 38. gxf4 Bh4 39. Nxa5 Kg7 40. Nb3 Be1 41. a5 Kf6 42. a6 Rg8 43. Ra8 Nd7 44. Rxc8 Rxc8 45. Nb2 Bf2 46. Kg2 Bxe3 47. Kf3 Bg1 48. Na4 Ke7 49. Nb6 Kd8 50. Nxd7 Bxd7 51. a7 1-0

[Event "CRI-ch sf"]
[Site "San Jose"]
[Date "2018.11.18"]
[Round "3"]
[White "Salazar Gould, Melannie"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1990"]
[BlackElo "1893"]
[PlyCount "101"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Nb3 Nf6 8. Bg2 b5 9. a3 Bb7 10. 0-0 d6 11. Be3 Be7 12. f4 0-0 13. g4 Rfd8 14. g5 Nd7 15. Qh5 g6 16. Qh4 h5 17. Rf3 Nb6 18. Rh3 Nc4 19. Bf2 Bf8 20. f5 N6e5 21. f6 Ng4 22. Bf3 Nce5 23. Be2 Bxe4 24. Nxe4 Qxc2 25. Ned2 Rac8 26. Bd4 Rc4 27. Bxc4 bxc4 28. Rc3 Qxb2 29. Rcc1 Qxb3 30. Nxb3 Nf3+ 31. Kh1 Nxh4 32. Rxc4 Nf3 33. h3 Nxd4 34. Nxd4 Ne5 35. Rc7 Nd3 36. Nc6 Ra8 37. Rb1 Nc5 38. Rb6 e5 39. Ne7+ Kh7 40. Rxd6 Ne6 41. Rb7 Nxg5 42. Rdd7 h4 43. Rb4 e4 44. Rd5 Kh6 45. Rb7 e3 46. Rb4 Kh5 47. Rdd4 Nf3 48. Rd5+ g5 49. Re4 Nd2 50. Rxe3 Rb8 51. Rxd2 1-0

[Event "CRI-ch sf"]
[Site "San Jose"]
[Date "2018.11.17"]
[Round "1"]
[White "Murillo Arguedas, Jaime"]
[Black "Solano Cuya, Bryan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1893"]
[BlackElo "2231"]
[PlyCount "72"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 a6 7. Bd3 b5 8. Nxd4 cxd4 9. Ne2 d6 10. c3 dxc3 11. dxc3 Nf6 12. h3 Bb7 13. Ng3 0-0 14. Qe2 Nd7 15. Be3 Qc7 16. Rac1 Nc5 17. Bb1 a5 18. Rfd1 Rac8 19. Qf2 Bf6 20. Qe2 Bh4 21. Bf2 Qc6 22. Bxc5 Qxc5+ 23. Kh2 Bf6 24. Qd2 h5 25. Ne2 Bg7 26. Nd4 a4 27. f5 Qe5+ 28. g3 h4 29. Qf4 hxg3+ 30. Kxg3 Qxf4+ 31. Kxf4 Bh6+ 32. Kg4 Bxc1 33. Rxc1 b4 34. c4 Rc5 35. fxg6 fxg6 36. Ne6 Bc8 0-1

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.24"]
[Round "8"]
[White "Esquivel Vargas, Jose Edmond"]
[Black "Murillo Arguedas, Jaime"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "1851"]
[PlyCount "142"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. Nc3 e5 7. Rb1 a5 8. a3 Nc6 9. b4 axb4 10. axb4 h6 11. d3 Be6 12. b5 Ne7 13. Qc2 Rb8 14. Ba3 Qd7 15. Rfd1 Bh3 16. Bh1 Ng4 17. d4 f6 18. b6 c6 19. dxe5 Qe6 20. exd6 Nf5 21. e4 Nfe3 22. fxe3 Nxe3 23. Qd3 Nxd1 24. Rxd1 Rfd8 25. c5 Ra8 26. Nd4 Qe5 27. Qc4+ Kh7 28. Bb2 Qg5 29. Bc1 Qe5 30. Bf4 Qe8 31. Bg2 Bg4 32. Re1 g5 33. Bd2 Qe5 34. Nf5 Bf8 35. Qf7+ Kh8 36. Ne3 Be6 37. Qg6 Bg7 38. Nf5 Qxc5+ 39. Be3 Bxf5 40. Qxg7+ Kxg7 41. Bxc5 Be6 42. Ne2 Ra5 43. Rc1 Kf7 44. Kf2 Ra2 45. Ke3 Rda8 46. Nd4 Rxg2 47. Rd1 Bd7 48. Nf3 Raa2 49. Rf1 Ke8 50. Nd4 Kf7 51. e5 f5 52. Bb4 Rxh2 53. Nxf5 Rae2+ 54. Kd3 Ref2 55. Rxf2 Rxf2 56. Nd4 Rb2 57. Kc3 Rg2 58. e6+ Bxe6 59. Nxc6 Rxg3+ 60. Kc2 Ke8 61. Nd4 Kd7 62. Kd2 h5 63. Ke2 Rg4 64. Bc5 h4 65. Nf3 Bc4+ 66. Kf2 Rf4 67. Be3 Rf5 68. Bxg5 h3 69. Kg3 Bd5 70. Bf4 Bxf3 71. Kxf3 Rxf4+ 0-1

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.23"]
[Round "7"]
[White "Murillo Arguedas, Jaime"]
[Black "Redondo Vargas, Diego"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1851"]
[PlyCount "63"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 h6 8. Nf4 Ne7 9. Nxg6 Nxg6 10. 0-0 Nd7 11. Re1 Be7 12. Nh5 0-0 13. Qg4 Nf6 14. Nxf6+ Bxf6 15. Bxe6 Qxd4 16. Qxg6 fxe6 17. c3 Qb6 18. Bxh6 Bxc3 19. Qxe6+ Rf7 20. Be3 Bd4 21. Rad1 Bxe3 22. Rxe3 Rd8 23. Rxd8+ Qxd8 24. Qe8+ Rf8 25. Qe6+ Rf7 26. Qb3 Qd2 27. Re8+ Kh7 28. Qh3+ Kg6 29. Qg4+ Kh7 30. Qe4+ g6 31. Qh4+ Qh6 32. Rh8+ 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.22"]
[Round "6"]
[White "Murillo Arguedas, Jaime"]
[Black "Rodriguez Arrieta, Jose Allan"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1851"]
[PlyCount "90"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Be3 Be7 7. Bd3 Nc6 8. a3 Bf6 9. Ne2 d5 10. c5 Nd7 11. Nbc3 Nf8 12. 0-0 Ne6 13. Bc2 0-0 14. Rb1 Nxc5 15. Nf4 Ne6 16. Nfe2 Ne7 17. f4 c6 18. Ng3 g6 19. f5 Ng7 20. fxg6 fxg6 21. Bh6 Rf7 22. Bxg7 Bxg7 23. Qd2 Bf5 24. Nxf5 Nxf5 25. Bxf5 Rxf5 26. Rxf5 gxf5 27. Rf1 Qf6 28. Ne2 Rf8 29. Rf3 Re8 30. Rd3 Re4 31. b3 Bh6 32. Qd1 Qe7 33. Kf1 Be3 34. g3 Qf6 35. Qc2 f4 36. Nxf4 Bxf4 37. gxf4 Rxf4+ 38. Kg2 Kh8 39. Qd2 Qg6+ 40. Rg3 Qe4+ 41. Kg1 Qxd4+ 42. Qxd4+ Rxd4 43. h3 Re4 44. Kf2 Re7 45. Kf3 Rg7 0-1

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.20"]
[Round "4"]
[White "Amaya Madrigal, Josue"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "A36"]
[BlackElo "1851"]
[PlyCount "101"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 d6 4. g3 g6 5. Bg2 Bg7 6. d3 Nf6 7. Nge2 0-0 8. 0-0 Rb8 9. Rb1 b6 10. Be3 Ng4 11. h3 Nxe3 12. fxe3 Bd7 13. Kh2 e5 14. a3 Bh6 15. Nd5 Be6 16. Nec3 Kh8 17. b4 Ne7 18. bxc5 dxc5 19. Rf3 f5 20. Qa4 Nc8 21. Rbf1 Rg8 22. exf5 gxf5 23. Qd1 Rb7 24. d4 e4 25. Rxf5 Bxf5 26. Rxf5 Nd6 27. Rh5 Nxc4 28. Nxe4 Nxe3 29. Nxe3 Bxe3 30. Qf3 cxd4 31. Nf6 Rbg7 32. Nxg8 Qxg8 33. Bf1 h6 34. Qf6 Qf7 35. Qxf7 Rxf7 36. Bd3 Rf2+ 37. Kh1 Ra2 38. Rd5 Rxa3 39. Bc4 Kg7 40. Kg2 Ra1 41. Kf3 Rb1 42. Rd7+ Kf6 43. Rxa7 b5 44. Rb7 b4 45. h4 Rb2 46. Ke4 Rg2 47. Kf3 Rb2 48. Ke4 Kg6 49. g4 Rf2 50. Ke5 Rf4 51. Bd3+ 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.19"]
[Round "3"]
[White "Montoya, Cristian"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "A16"]
[BlackElo "1851"]
[PlyCount "83"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. Rb1 a5 7. a3 e5 8. b4 axb4 9. axb4 Nc6 10. b5 Ne7 11. 0-0 h6 12. d3 Rb8 13. Bb2 Be6 14. Qc2 Qd7 15. Rfd1 Bh3 16. Bh1 Ng4 17. b6 c6 18. c5 d5 19. d4 e4 20. Ne5 Bxe5 21. dxe5 e3 22. f3 Nf2 23. Ne4 Nxe4 24. fxe4 Qe6 25. Qd3 dxe4 26. Qxe3 Nd5 27. Qxh6 Qg4 28. e6 f6 29. Rd4 Qh5 30. Qxh5 gxh5 31. Bxe4 Bxe6 32. Bxd5 Bxd5 33. Rh4 Bf7 34. Rf1 Bg6 35. g4 f5 36. gxh5 Bh7 37. Rf3 Rf7 38. h6 Re8 39. Rg3+ Kf8 40. Bg7+ Ke7 41. Re3+ Kd7 42. Rd4+ 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.18"]
[Round "2"]
[White "Murillo Arguedas, Jaime"]
[Black "Aguilar, Luis"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1851"]
[BlackElo "1966"]
[PlyCount "144"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 d4 5. Ne2 Nf6 6. d3 Nc6 7. g3 h5 8. Bg2 Be7 9. h3 Qc7 10. 0-0 Bd7 11. Ne5 Nxe5 12. fxe5 Nh7 13. b4 cxb4 14. a3 bxa3 15. Bxa3 Bxa3 16. Rxa3 Qxe5 17. Qa1 a6 18. Ra5 Qc7 19. Nxd4 e5 20. Nf5 Bxf5 21. Rxf5 f6 22. Qa2 0-0-0 23. Ra4 Kb8 24. Rf1 Rc8 25. Rc1 Qc5+ 26. Kh2 h4 27. g4 Ng5 28. c3 Qe3 29. Rb1 Ka7 30. Qb3 Rc7 31. d4 Qxc3 32. Qb6+ Ka8 33. Rba1 Kb8 34. Rxa6 Kc8 35. Ra8+ Kd7 36. Qb5+ Ke7 37. R1a3 Nf3+ 38. Bxf3 Qd2+ 39. Be2 Rxa8 40. Rxa8 Qf4+ 41. Kg1 Qg3+ 42. Kh1 Rc1+ 43. Bf1 Qxh3+ 44. Kg1 Qxg4+ 45. Kh1 Qxe4+ 46. Kg1 Qxd4+ 47. Kh1 Qe4+ 48. Kg1 Qe3+ 49. Kh1 Qf3+ 50. Kg1 Qc6 51. Qb4+ Qc5+ 52. Qxc5+ Rxc5 53. Ra7 Rc7 54. Bg2 Ke6 55. Kh2 g5 56. Ra5 Kf5 57. Rb5 g4 58. Rb4 Kg5 59. Rb2 f5 60. Rb5 Kf4 61. Rb4+ e4 62. Rb5 Rc1 63. Rb2 h3 64. Re2 g3+ 65. Kxh3 Rc7 66. Bf1 Rh7+ 67. Kg2 Rh2+ 68. Kg1 Rxe2 69. Bxe2 Ke3 70. Bc4 Kd2 71. Kg2 f4 72. Bd5 e3 0-1

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.17"]
[Round "1"]
[White "Brenes Salgado, Juan Carlos"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1968"]
[BlackElo "1851"]
[PlyCount "99"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Na6 7. 0-0 e5 8. dxe5 dxe5 9. Qc2 Qe7 10. Bg5 c6 11. Qc1 Nc5 12. h3 a5 13. Qe3 b6 14. Nh2 Qc7 15. Rad1 Ne6 16. Bh6 Nd4 17. Bxg7 Kxg7 18. f4 Nxe2+ 19. Nxe2 exf4 20. Rxf4 Nd7 21. Rh4 h5 22. Nd4 Ne5 23. g4 Nxc4 24. Qc3 Kg8 25. Ndf3 Qg3+ 26. Kh1 Be6 27. Rg1 Qf2 28. gxh5 Qxb2 29. Qxb2 Nxb2 30. hxg6 fxg6 31. Rxg6+ Kf7 32. Rhh6 Bc4 33. Rxc6 b5 34. Ng4 Ke8 35. Nfe5 Be2 36. Rhe6+ Kd8 37. Nf6 Ra7 38. Red6+ Ke7 39. Ng6+ Kf7 40. Nxf8 Kxf8 41. Rd7 Rxd7 42. Nxd7+ Ke7 43. Nc5 Nc4 44. Kh2 Nd6 45. e5 Nc4 46. Rc7+ Ke8 47. e6 Nb6 48. Ne4 Nd5 49. Nd6+ Kd8 50. Rd7# 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.25"]
[Round "9"]
[White "Espinoza Guerrero, Warner"]
[Black "Murillo Arguedas, Jaime"]
[Result "1/2-1/2"]
[ECO "A68"]
[WhiteElo "2014"]
[BlackElo "2009"]
[PlyCount "24"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[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. Be2 exd5 9. cxd5 Bg4 10. 0-0 Nbd7 11. h3 Bxf3 12. Bxf3 Re8 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.22"]
[Round "8"]
[White "Murillo Arguedas, Jaime"]
[Black "Ramirez Alvarez, Alejandro"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2009"]
[BlackElo "2000"]
[PlyCount "158"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 dxe6 8. d3 0-0 9. 0-0 a6 10. a4 b6 11. Qe1 Bb7 12. Qh4 Nd4 13. Nxd4 Qxd4+ 14. Kh1 Nc6 15. Bh6 Bxh6 16. Qxh6 Ne5 17. Bb3 c4 18. dxc4 Nxc4 19. Rf4 Na5 20. Ba2 Qg7 21. Qh3 Rad8 22. Raf1 Nc6 23. Qe3 Qd4 24. Qg3 Qe5 25. Qh3 Kg7 26. Qg3 g5 27. Rg4 Qxg3 28. Rxg3 h6 29. Rgf3 Ne5 30. R3f2 Ng4 31. Re2 Nf6 32. e5 Nd5 33. Nxd5 Bxd5 34. Bxd5 Rxd5 35. Kg1 Rfd8 36. Kf2 Rd2 37. Rfe1 Kg6 38. b3 h5 39. Ke3 R2d5 40. Kf3 R8d7 41. h3 h4 42. Re4 Rd2 43. R4e2 Rxe2 44. Rxe2 Kf5 45. g4+ hxg3 46. Kxg3 Rd4 47. Rf2+ Rf4 48. Rxf4+ gxf4+ 49. Kf3 Kxe5 50. h4 Kf5 51. h5 e5 52. b4 e4+ 53. Kf2 b5 54. a5 Kg5 55. c4 bxc4 56. b5 c3 57. bxa6 c2 58. a7 e3+ 59. Kg2 c1Q 60. a8Q Qc2+ 61. Kh1 Qd1+ 62. Kh2 Qe2+ 63. Kg1 Qf2+ 64. Kh1 Kxh5 65. Qh8+ Kg4 66. Qc8+ f5 67. Qg8+ Kf3 68. Qd5+ Ke2 69. Qc4+ Kd2 70. Qb4+ Ke2 71. Qc4+ Kf3 72. Qd5+ Kg3 73. Qg8+ Kh3 74. Qh7+ Qh4 75. Qxh4+ Kxh4 76. Kg2 Kg4 77. Kf1 Kf3 78. a6 e2+ 79. Ke1 Ke3 0-1

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.21"]
[Round "7"]
[White "Murillo Arguedas, Jaime"]
[Black "Munoz, Carolina"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2009"]
[BlackElo "2006"]
[PlyCount "58"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 dxe6 8. d3 0-0 9. 0-0 Na5 10. Bb3 Nec6 11. Qe1 Nxb3 12. axb3 Nd4 13. Nxd4 cxd4 14. Nd1 e5 15. Nf2 Be6 16. Qd1 Qb6 17. Bd2 Rac8 18. b4 Rfd8 19. Kh1 a6 20. c4 dxc3 21. bxc3 Qd6 22. Be1 f5 23. Qf3 Rc7 24. exf5 Bxf5 25. Rd1 Rf7 26. Ne4 Qe7 27. Bd2 Rdf8 28. Kg1 Qd7 29. h3 h6 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.20"]
[Round "6"]
[White "Villalobos, Leon Erick"]
[Black "Murillo Arguedas, Jaime"]
[Result "1/2-1/2"]
[ECO "A68"]
[WhiteElo "2000"]
[BlackElo "2009"]
[PlyCount "124"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[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. Be2 exd5 9. cxd5 Bg4 10. 0-0 Nbd7 11. Nd2 Bxe2 12. Qxe2 a6 13. a4 Re8 14. Qf3 Rb8 15. a5 Qc7 16. Nc4 h5 17. Bd2 b5 18. axb6 Nxb6 19. Nxb6 Qxb6 20. e5 dxe5 21. fxe5 Rxe5 22. Na4 Qb5 23. d6 Rf5 24. Qa3 Rxf1+ 25. Rxf1 Ne4 26. Be3 Qe2 27. d7 Rd8 28. Nxc5 Nxc5 29. Qxc5 Qxb2 30. Qe7 Qb8 31. Qxf7+ Kh8 32. Qxg6 Rxd7 33. Qxh5+ Kg8 34. Qg6 Qd6 35. Qe8+ Kh7 36. Qh5+ Kg8 37. Qe8+ Kh7 38. Qe4+ Kg8 39. Qc4+ Kh7 40. Qh4+ Kg8 41. Rc1 Rc7 42. Rb1 Rc2 43. Qe4 Qc6 44. Qxc6 Rxc6 45. Rb6 Rxb6 46. Bxb6 Kf7 47. Kf2 Ke6 48. Ke3 Be5 49. h3 Kf5 50. Kd3 Kf4 51. Bf2 Bc7 52. Kc4 Ke4 53. Kb4 Kd5 54. Ka4 Ke4 55. Be1 Kd3 56. Ba5 Bg3 57. Bb6 Ke2 58. Ka5 Kf1 59. h4 Bxh4 60. g4 Bg5 61. Kxa6 Kg2 62. Bc7 Kf3 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.16"]
[Round "5"]
[White "Murillo Arguedas, Jaime"]
[Black "Brenes Salgado, Juan Carlos"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2009"]
[BlackElo "2000"]
[PlyCount "72"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 dxe6 8. d3 a6 9. 0-0 b5 10. Bb3 0-0 11. a3 Bd7 12. Qe1 Nd4 13. Nxd4 Bxd4+ 14. Kh1 Nc6 15. Bh6 Bg7 16. Bxg7 Kxg7 17. Qe3 Nd4 18. Rf2 Qc7 19. Raf1 Nxb3 20. cxb3 Qe5 21. Qh3 f5 22. Qh4 Qf6 23. Qg3 b4 24. e5 Qd8 25. Nd1 Bb5 26. Rf3 a5 27. Ne3 Bc6 28. R3f2 Qd4 29. Nc4 Rad8 30. Nd6 bxa3 31. bxa3 Rb8 32. Qg5 Qxe5 33. Qe7+ Kg8 34. Nc4 Qf6 35. Qxc5 Rfc8 36. Nd6 Bxg2+ 0-1

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.13"]
[Round "3"]
[White "Cabrera Chaves, Marco Antonio"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2008"]
[BlackElo "2009"]
[PlyCount "133"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bg5 Qa5+ 6. Qd2 Bb4 7. c3 Nxe4 8. cxb4 Qxg5 9. Qc2 Nd6 10. Nb5 Qe5+ 11. Be2 Na6 12. Nxd6+ Qxd6 13. b5 Nb4 14. Qc3 Qd4 15. 0-0 Qxc3 16. Nxc3 Nc2 17. Rad1 e5 18. Rd5 f6 19. a3 Nd4 20. Bd3 Ne6 21. g3 b6 22. Bf5 Ke7 23. Rfd1 Rd8 24. Bxh7 Bb7 25. R5d3 Ng5 26. Bf5 Nf3+ 27. Kf1 d6 28. h4 Nd4 29. Bh3 a6 30. Bg2 Bxg2+ 31. Kxg2 axb5 32. Nd5+ Kf7 33. Nxb6 Ra6 34. Nd5 Rc6 35. Nb4 Rb6 36. Rc3 Rd7 37. Rc8 Nb3 38. Rd3 Nd4 39. Rdc3 Ke6 40. Re8+ Kf7 41. Rcc8 Rbb7 42. Nd5 Ne6 43. h5 Nc7 44. Nxc7 Rdxc7 45. Rxc7+ Rxc7 46. Rb8 Rc5 47. Rb7+ Kg8 48. Kf3 d5 49. b4 Rc3+ 50. Kg4 Rxa3 51. Rxb5 d4 52. Kf5 Kh7 53. Ke4 Kh6 54. Rb7 Ra2 55. Kf3 Rb2 56. g4 Rb3+ 57. Ke2 d3+ 58. Kf3 e4+ 59. Ke3 Rb2 60. Kxe4 d2 61. Rd7 Rxb4+ 62. Kf5 Rb5+ 63. Kf4 Rb4+ 64. Kg3 Rb3+ 65. Kh4 Rb2 66. Rd8 d1Q 67. Rh8# 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.12"]
[Round "2"]
[White "Ugalde Garcia, Ronald"]
[Black "Murillo Arguedas, Jaime"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2157"]
[BlackElo "2009"]
[PlyCount "63"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d6 6. 0-0 Nbd7 7. Nc3 a6 8. e4 e5 9. d5 Nc5 10. Qc2 a5 11. b3 Ncxe4 12. Nxe4 Nxe4 13. Qxe4 f5 14. Qe1 e4 15. Bg5 Qe8 16. Nd2 Bxa1 17. Qxa1 Qf7 18. Be3 Bd7 19. f3 exf3 20. Nxf3 a4 21. b4 b5 22. Qd4 Qf6 23. Qd2 bxc4 24. Bd4 Qd8 25. Bc3 c5 26. dxc6 Bxc6 27. Qd4 Qd7 28. Ng5 Qa7 29. Bxc6 Qxd4+ 30. Bxd4 Rfc8 31. Bd5+ Kf8 32. Re1 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.11"]
[Round "1"]
[White "Murillo Arguedas, Jaime"]
[Black "Ottosen, David"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2009"]
[BlackElo "2113"]
[PlyCount "80"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Nc3 Bd6 7. Nb5 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 a6 10. Nc3 Bxf3 11. gxf3 Nc6 12. 0-0-0 Nge7 13. Qg5 Nf5 14. Qxd8+ Rxd8 15. d5 Ne5 16. dxe6 Rxd1+ 17. Nxd1 fxe6 18. Bh3 Nxf3 19. Bg4 N3h4 20. Re1 Kf7 21. Ne3 Rd8 22. c3 Nxe3 23. Rxe3 Nf5 24. Re4 Kf6 25. Kc2 Rd6 26. a4 g5 27. f4 gxf4 28. Rxf4 Ke5 29. Rb4 Ne3+ 30. Kc1 c5 31. Rxb7 Nxg4 32. Rxh7 Ne3 33. b4 cxb4 34. cxb4 Rb6 35. b5 axb5 36. axb5 Rxb5 37. Kd2 Nf5 38. h4 Kf4 39. Rh8 e5 40. Rf8 Rb2+ 0-1

