[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "2"]
[White "Bejarano Sandoval, Allan"]
[Black "Calderon Sandoval, Matias Esteban"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1783"]
[PlyCount "69"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg5 e6 5. Nc3 Bd6 6. e4 h6 7. e5 hxg5 8. exd6 Qxd6 9. Nxg5 0-0 10. c5 Qf4 11. Nf3 Ne4 12. Bd3 f5 13. g3 Qh6 14. Qe2 Nd7 15. Nd2 Ndf6 16. 0-0-0 a6 17. Kb1 b5 18. cxb6 Rb8 19. Na4 Bd7 20. f3 Nxd2+ 21. Rxd2 c5 22. Nxc5 Bb5 23. Nxa6 Bxd3+ 24. Qxd3 Rxb6 25. Nc5 Rfb8 26. Re1 Qg6 27. Rxe6 Qf7 28. Qe3 Nd7 29. Re7 Qf8 30. Nxd7 Qd8 31. Nxb8 Rxb8 32. Qe6+ Kh7 33. Qxf5+ Kg8 34. Qf7+ Kh8 35. Qxg7# 1-0

[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "3"]
[White "Calderon Sandoval, Matias Esteban"]
[Black "Abarca Delgado, Michael"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "54"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 d5 3. e3 Bf5 4. Bd3 Bg6 5. 0-0 e6 6. Qe2 a6 7. Nbd2 Nd7 8. e4 Qc7 9. Re1 0-0-0 10. c3 Be7 11. e5 f6 12. Bxg6 hxg6 13. Qd3 g5 14. b4 Nh6 15. g3 Ng4 16. exf6 gxf6 17. Rxe6 Bd6 18. Kg2 Nf8 19. Re2 Nh7 20. Qf5+ Kb8 21. Qxg4 f5 22. Qxf5 Be7 23. Qf7 Rde8 24. Bb2 Nf6 25. Rae1 Rhf8 26. Qg7 g4 27. Rxe7 Rxe7 1-0

[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "1"]
[White "Calderon Sandoval, Matias Esteban"]
[Black "Alvarez Mora, Jorge Mario"]
[Result "1/2-1/2"]
[ECO "A48"]
[BlackElo "1804"]
[PlyCount "129"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. c3 Bg7 5. Bd3 0-0 6. 0-0 cxd4 7. cxd4 d5 8. Qe2 Nc6 9. Nbd2 Re8 10. e4 dxe4 11. Nxe4 Nxd4 12. Nxd4 Qxd4 13. Nxf6+ exf6 14. Qxe8+ Bf8 15. Bh6 Qc5 16. Rac1 Qe7 17. Qxe7 Bxe7 18. Rc4 Be6 19. Rc7 Bf8 20. Rfc1 Bxh6 21. R1c3 b6 22. Be4 Rd8 23. g3 Bh3 24. f3 f5 25. Bc2 Bg7 26. R3c4 Bd4+ 27. Rxd4 Rxd4 28. Bb3 Kg7 29. Rxf7+ Kh6 30. Rxa7 Rd2 31. Bg8 Rg2+ 32. Kf1 Rxb2+ 33. Ke1 Rb1+ 34. Kd2 Rb2+ 35. Kc3 Rxh2 36. Rxh7+ Kg5 37. Bf7 Rg2 38. Rxh3 Kf6 39. f4 Rxa2 40. Bd5 Ra5 41. Bc4 Rc5 42. Kb4 Rc7 43. Bb5 Rc5 44. Rh4 Rd5 45. g4 Rd4+ 46. Kc3 Rxf4 47. Rh2 Rxg4 48. Re2 Rf4 49. Bc4 Kg5 50. Rg2+ Kf6 51. Re2 g5 52. Re6+ Kg7 53. Rxb6 g4 54. Be2 g3 55. Bh5 g2 56. Rg6+ Kh7 57. Rxg2 Rh4 58. Bf3 f4 59. Rg4 Rxg4 60. Bxg4 Kg6 61. Bf3 Kg5 62. Kd4 Kh4 63. Ke4 Kg3 64. Be2 f3 65. Bxf3 1/2-1/2

[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "5"]
[White "Calderon Sandoval, Matias Esteban"]
[Black "Echeverria Rodriguez, Mauricio"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1497"]
[PlyCount "42"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 Nf6 6. 0-0 e6 7. Nbd2 Bd6 8. Re1 0-0 9. e4 Nb4 10. Qc3 c6 11. e5 Be7 12. exf6 gxf6 13. Nb3 Na6 14. Nh4 Bb4 15. Qg3+ Kh8 16. Re2 Rg8 17. Qf3 f5 18. c3 Bd6 19. Be3 Qxh4 20. Nc5 Qxh2+ 21. Kf1 Qh1# 0-1

[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "9"]
[White "Calderon Sandoval, Matias Esteban"]
[Black "Hernandez Perez, Javier Francisco"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "1634"]
[PlyCount "98"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. Bd3 g6 5. 0-0 Bg7 6. Nbd2 0-0 7. Qe2 c5 8. c3 c4 9. Bc2 Nc6 10. e4 dxe4 11. Nxe4 b5 12. Nxf6+ Bxf6 13. Bf4 Bb7 14. Be4 Rc8 15. Rad1 e6 16. g3 Re8 17. Rd2 Bg7 18. Rfd1 Qa5 19. b4 Qb6 20. Be3 Qc7 21. Bf4 Qe7 22. Ne5 h6 23. g4 g5 24. Bg3 Ba8 25. Qf3 Nxe5 26. Bxe5 f6 27. Bg3 Rf8 28. Bxa8 Rxa8 29. Qe3 a5 30. bxa5 Rxa5 31. d5 e5 32. d6 Qd7 33. Qb6 Rfa8 34. Qc7 R5a7 35. Qxd7 Rxd7 36. Kg2 Bf8 37. Rb1 Ra5 38. Rd5 Rxd6 39. Rdxb5 Rxa2 40. Rb6 Ra6 41. Rb8 Kf7 42. R8b7+ Be7 43. f3 Ke6 44. Bf2 Ra2 45. Kg3 e4 46. R7b6 exf3 47. Rxd6+ Bxd6+ 48. Kh3 Rxf2 49. Rb6 Rxh2# 0-1

[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "8"]
[White "Calderon Sandoval, Matias Esteban"]
[Black "Romero Pereira, Thomas David"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "127"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 Nf6 6. 0-0 e6 7. Nbd2 Bd6 8. Re1 0-0 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 f5 12. Qxe6+ Kh8 13. Bg5 Qe8 14. d5 Qh5 15. dxc6 Rae8 16. Qc4 Rxe1+ 17. Rxe1 bxc6 18. Qh4 Qg6 19. Be7 Bxe7 20. Rxe7 Qd6 21. g3 Qd1+ 22. Kg2 Qxc2 23. Qg5 Rg8 24. Ne5 Qe4+ 25. Kf1 Qh1+ 26. Ke2 Qe4+ 27. Kd2 Qd4+ 28. Kc2 Qxf2+ 29. Kb3 Qb6+ 30. Kc2 Qc5+ 31. Kb1 Qg1+ 32. Qc1 Qxc1+ 33. Kxc1 h6 34. Rxc7 Re8 35. Nxc6 Re1+ 36. Kd2 Rh1 37. Rxa7 Rxh2+ 38. Kc3 Rh3 39. Kd4 Rxg3 40. Ne5 f4 41. Rf7 Rg2 42. Rxf4 Rxb2 43. a3 Ra2 44. Rf3 h5 45. Kc3 Rxa3+ 46. Kd4 Ra4+ 47. Kd5 h4 48. Rh3 Ra5+ 49. Ke6 Ra6+ 50. Kf5 Ra5 51. Rxh4+ Kg8 52. Re4 Kh7 53. Kf4 Kh6 54. Nc6 g5+ 55. Kg4 Ra6 56. Re6+ Kg7 57. Kxg5 Kf7 58. Nd8+ Kg7 59. Rxa6 Kf8 60. Ra7 Ke8 61. Kf6 Kf8 62. Nc6 Ke8 63. Rb7 Kf8 64. Rb8# 1-0

[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "6"]
[White "Cruz Badilla, Francisco Antonio"]
[Black "Calderon Sandoval, Matias Esteban"]
[Result "1-0"]
[ECO "C62"]
[PlyCount "73"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. h3 Nf6 5. d3 Be7 6. c3 0-0 7. 0-0 Bd7 8. Re1 a6 9. Ba4 h6 10. Bc2 b5 11. Nbd2 Be6 12. Nf1 d5 13. Ng3 d4 14. cxd4 Nxd4 15. Nxd4 Qxd4 16. Ne2 Qd6 17. f4 Rad8 18. f5 Bc8 19. Ng3 Rd7 20. Nh5 Rfd8 21. Qf3 Qd4+ 22. Kh1 Bc5 23. Nxf6+ gxf6 24. Bxh6 Kh7 25. Qh5 Qd6 26. Bf8+ Kg8 27. Bxd6 Rxd6 28. Bb3 R8d7 29. Rac1 Bb4 30. Re3 Bd2 31. Rg3+ Kf8 32. Rd1 Bf4 33. Qh8+ Ke7 34. Rg7 Rxd3 35. Rxf7+ Kd6 36. Rxd3+ Kc6 37. Bd5+ 1-0

[Event "San Jose Solidario Blitz op 1st"]
[Site "San Jose"]
[Date "2024.05.04"]
[Round "4"]
[White "Guerrero Diaz, Leticia Fiorella"]
[Black "Calderon Sandoval, Matias Esteban"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1571"]
[PlyCount "64"]
[EventDate "2024.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. b3 0-0 6. Bb2 Nbd7 7. Nbd2 Qe7 8. c4 c6 9. Qc2 g6 10. Ne5 b6 11. 0-0 Re8 12. f4 Bb7 13. Rf3 a6 14. Rh3 c5 15. dxc5 bxc5 16. Nxd7 Qxd7 17. Bxf6 e5 18. fxe5 Bxe5 19. Bxe5 Rxe5 20. cxd5 Qxd5 21. Rg3 Rxe3 22. Bc4 Qd4 23. Rxe3 Qxa1+ 24. Kf2 Qf6+ 25. Kg1 Qd4 26. Nf3 Qxe3+ 27. Qf2 Re8 28. Bxf7+ Kxf7 29. Ng5+ Kg7 30. Kf1 Qxg5 31. Qb2+ Kh6 32. Qf2 Qc1+ 0-1

