[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.07.??"]
[Round "9"]
[White "Giaccio, Alfredo Gustavo"]
[Black "Mercado, PY."]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2270"]
[PlyCount "17"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 d5 5. cxd5 exd5 6. d4 b6 7. Bg2 Bb7 8. 0-0 Be7 9. b3 1/2-1/2

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "6"]
[White "Barahona, Daniel"]
[Black "Mercado, PY."]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2250"]
[PlyCount "87"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 c5 5. Bg2 Be7 6. Ngf3 Nc6 7. 0-0 0-0 8. e5 Nd7 9. Re1 f6 10. exf6 Nxf6 11. Bh3 Qd6 12. Qe2 Nd8 13. Ng5 h6 14. Nxe6 Re8 15. Nf4 Bxh3 16. Nxh3 Nc6 17. c3 Bf8 18. Qf1 d4 19. Ne4 Nxe4 20. dxe4 dxc3 21. bxc3 Ne5 22. f4 Nd3 23. Re2 c4 24. e5 Qc6 25. Be3 Rad8 26. Qg2 Rd5 27. Bxa7 b6 28. Kh1 Bc5 29. Rb1 Kf7 30. a4 Red8 31. a5 bxa5 32. Bxc5 Nxc5 33. Nf2 a4 34. h3 a3 35. Kh2 Ra8 36. Ng4 Nd3 37. Ne3 Rc5 38. e6+ Kf8 39. Qxc6 Rxc6 40. Nf5 g6 41. e7+ Kf7 42. Nxh6+ Ke8 43. f5 gxf5 44. Nxf5 1-0

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "1"]
[White "Mercado, PY."]
[Black "Amura, Claudia Noemi"]
[Result "1/2-1/2"]
[ECO "B08"]
[BlackElo "2285"]
[PlyCount "86"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 g6 5. Be2 Bg7 6. 0-0 0-0 7. a4 Qc7 8. h3 e5 9. a5 Nbd7 10. dxe5 dxe5 11. Be3 Nh5 12. Qc1 Nf4 13. Rd1 Nxe2+ 14. Nxe2 Re8 15. Nd2 Bf8 16. Nc3 f5 17. f3 f4 18. Bf2 Bc5 19. Nc4 Bxf2+ 20. Kxf2 Nf8 21. Rd3 Ne6 22. Na4 Qe7 23. Qd2 Qg5 24. Kf1 b5 25. axb6 Ba6 26. Qc3 Bxc4 27. Qxc4 axb6 28. Qxc6 Nd4 29. Qd5+ Kh8 30. Rxd4 Red8 31. Rdd1 Rxd5 32. exd5 e4 33. fxe4 f3 34. gxf3 Qg3 35. Ke2 Qg2+ 36. Ke3 Qxc2 37. Rd2 Qc4 38. Rd4 Qb5 39. Ra3 Rf8 40. Rd1 Qa5 41. Nc3 Qc5+ 42. Ke2 Qc4+ 43. Ke3 Qc5+ 1/2-1/2

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "8"]
[White "Mercado, PY."]
[Black "Bertona, Fernando"]
[Result "0-1"]
[ECO "B56"]
[BlackElo "2265"]
[PlyCount "66"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 h6 7. Bc4 Be7 8. h3 0-0 9. Be3 Be6 10. Bb3 Nc6 11. Qd2 Na5 12. g4 Nxb3 13. axb3 d5 14. exd5 Nxd5 15. Nxe5 Nxe3 16. Qxd8 Nxc2+ 17. Kd2 Rfxd8+ 18. Kxc2 a6 19. Rhd1 f5 20. f3 fxg4 21. hxg4 Bf6 22. Nc4 Bf7 23. Nd6 Bg6+ 24. Nce4 Rd7 25. f4 Rxd6 26. Rxd6 Bxe4+ 27. Kc1 Rc8+ 28. Kd2 Bxb2 29. Ra4 Bf3 30. f5 Be5 31. Re6 Bf6 32. Rb6 Bc6 33. Rc4 Bd8 0-1

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "3"]
[White "Mercado, PY."]
[Black "Pardo, Marco"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "83"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. Qd2 e5 9. d5 Ne7 10. Rfd1 Bd7 11. Rac1 Nh5 12. Ne1 f5 13. Bxh5 gxh5 14. Bg5 f4 15. Qe2 Qe8 16. Nb1 h4 17. Bxe7 Qxe7 18. c4 Rf6 19. h3 Raf8 20. f3 Rg6 21. Kh1 Kh8 22. Qf2 Rg8 23. c5 dxc5 24. Rxc5 Qd8 25. Rdc1 c6 26. dxc6 Bxc6 27. R5c2 Qa5 28. Nc3 Bf8 29. a3 Bc5 30. Qxh4 Bd4 31. Qe7 R6g7 32. Qf6 Qa6 33. Ne2 Be3 34. Ra1 Bd4 35. h4 Qa5 36. Nxd4 exd4 37. Qxd4 Qh5 38. Qf6 h6 39. b4 Kh7 40. Rc5 Qg6 41. Qxg6+ Rxg6 42. Rd1 1-0

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "5"]
[White "Mercado, PY."]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "C05"]
[BlackElo "2365"]
[PlyCount "62"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 b6 6. Ngf3 Ba6 7. Bxa6 Nxa6 8. 0-0 c5 9. c3 b5 10. Ne1 Qb6 11. Nb3 Nc7 12. Be3 c4 13. Nd2 b4 14. cxb4 Qxb4 15. b3 Nb6 16. Rc1 Rc8 17. bxc4 dxc4 18. Qe2 Ncd5 19. Ne4 Be7 20. Nf3 c3 21. Rc2 Nc4 22. Bc1 Qa5 23. Be3 Qb4 24. Ne1 Na3 25. Rc1 Qc4 26. Nd3 Nb5 27. Rfd1 Nb4 28. Nxc3 Nxc3 29. Rxc3 Qxc3 30. Rc1 Qxd3 31. Rxc8+ Bd8 0-1

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "2"]
[White "Rodrigues, Adriano Pfuhl"]
[Black "Mercado, PY."]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "148"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Ng3 Qb6 13. Re1 Bd7 14. Bg5 h6 15. Bxf6 Rxf6 16. Nh5 Rff8 17. Bc2 Be8 18. Ng3 Rf6 19. Re3 Rc8 20. a3 Bxg3 21. hxg3 Bh5 22. Rc1 Rcf8 23. Qd3 Bxf3 24. Qh7+ Kf7 25. Rxf3 Rxf3 26. gxf3 Qxd4 27. Qg6+ Ke7 28. f4 Rf7 29. b4 Qf6 30. Qd3 g5 31. b5 Nd4 32. Bd1 Kf8 33. Bh5 Re7 34. fxg5 hxg5 35. Kg2 e5 36. Bg4 e4 37. Qe3 Rf7 38. a4 b6 39. Bh5 Rd7 40. Qa3+ Kg7 41. Rc8 Kh6 42. Bg4 Rf7 43. Qe3 Nf5 44. Qe1 Kg7 45. Rc6 Qb2 46. Bxf5 Rxf5 47. Qc3+ Qxc3 48. Rxc3 Rf7 49. Rc6 Rd7 50. Kf1 Kf7 51. Ke2 d4 52. Kd2 d3 53. Rc4 Re7 54. Rc6 Re6 55. Rc7+ Re7 56. Rc6 Kg7 57. Ke3 Rd7 58. Kd2 Rf7 59. Ke3 Rf3+ 60. Kxe4 d2 61. Rd6 Rxf2 62. Ke3 Rg2 63. Rxd2 Rxd2 64. Kxd2 Kf6 65. Ke3 Kf5 66. Kf3 g4+ 67. Ke3 Ke5 68. Kd3 Kd5 69. Ke3 Ke5 70. Kd3 Kd5 71. Ke3 Kc4 72. Kf4 Kb4 73. Kxg4 Kxa4 74. Kf5 Kxb5 1/2-1/2

[Event "Merlo U20"]
[Site "Merlo"]
[Date "1990.??.??"]
[Round "4"]
[White "Rodriguez, Daniel Mauricio"]
[Black "Mercado, PY."]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2445"]
[PlyCount "111"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Rc1 Qa5 11. b3 Rfc8 12. f3 a6 13. Qd2 Nxd4 14. Bxd4 b5 15. Rfd1 Ne8 16. Bxg7 Nxg7 17. Nd5 Qd8 18. Qg5 f6 19. Qe3 Rc6 20. Nb4 Rcc8 21. Nd5 Rc6 22. c5 dxc5 23. Rxc5 Rd6 24. Rcc1 e5 25. Qc5 Ne8 26. Qe3 Kg7 27. Rd2 Be6 28. Rcd1 g5 29. Kf2 Rc8 30. a4 bxa4 31. bxa4 Qa5 32. Nxf6 Kxf6 33. Rxd6 Nxd6 34. Rxd6 Qxa4 35. Rxa6 Qc2 36. h4 h6 37. hxg5+ hxg5 38. Qb6 Qc5+ 39. Qxc5 Rxc5 40. g3 Rc3 41. f4 gxf4 42. gxf4 Ke7 43. f5 Bf7 44. f6+ Kd8 45. Bg4 Rb3 46. Ra7 Rb2+ 47. Kg3 Rb3+ 48. Kh4 Bc4 49. Ra8+ Kc7 50. Rc8+ Kd6 51. Rxc4 Rb1 52. f7 Rf1 53. Bf5 Ke7 54. Rc7+ Kf8 55. Be6 Rf2 56. Rc8+ 1-0

