[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "3"]
[White "Matos, Jesus"]
[Black "Montalvan, Gustavo"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "74"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "NCA"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Ne4 6. 0-0 Be7 7. Nc3 0-0 8. Qc2 f5 9. e3 Bf6 10. Bd2 Nxd2 11. Qxd2 d6 12. Rfd1 Nd7 13. Rac1 Qe7 14. Ne2 Rad8 15. Qb4 a5 16. Qb3 Ba8 17. Nf4 Kh8 18. Qa3 e5 19. Nd5 Bxd5 20. cxd5 e4 21. Nd2 Nb8 22. b4 axb4 23. Qxb4 g5 24. a4 Na6 25. Qb5 Ra8 26. Rc2 Qe8 27. Bf1 Bd8 28. Qxe8 Rxe8 29. Bb5 Re7 30. Rb1 Nb8 31. Nb3 Nd7 32. Ra1 Nf6 33. Bc6 Rb8 34. a5 bxa5 35. Nxa5 Rg7 36. Nb7 Be7 37. Rca2 Rgg8 1/2-1/2

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "2"]
[White "Montalvan, Gustavo"]
[Black "Biava, Pio"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "49"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "VEN"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. e3 Be7 6. Nge2 0-0 7. 0-0 Be6 8. d3 Qd7 9. Bd2 Bh3 10. Nd5 Bxg2 11. Kxg2 Nd8 12. Nxe7+ Qxe7 13. b4 Qd7 14. f3 Re8 15. Bc3 Qe6 16. Qb3 d5 17. Rae1 dxc4 18. Qxc4 Qxc4 19. dxc4 Nd7 20. Rd1 Nf8 21. Rd2 f6 22. f4 exf4 23. exf4 Nf7 24. c5 Rad8 25. Kf3 1/2-1/2

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "5"]
[White "Montalvan, Gustavo"]
[Black "Bustillo, Mario"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "114"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Honduras"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "HON"]

1. c4 e6 2. g3 Nf6 3. Nc3 d5 4. cxd5 exd5 5. d4 Be6 6. Bg2 Nbd7 7. Nf3 c6 8. 0-0 Bd6 9. a3 Qc7 10. b4 a6 11. Bb2 0-0 12. Rc1 Qd8 13. Nd2 Rc8 14. e4 dxe4 15. Ndxe4 Nxe4 16. Nxe4 Be7 17. Nc5 Nxc5 18. dxc5 Qxd1 19. Rcxd1 Rfd8 20. Be4 Bb3 21. Rxd8+ Rxd8 22. Re1 Bf8 23. Re3 Be6 24. Rd3 Rxd3 25. Bxd3 g6 26. Kf1 Bg7 27. Bxg7 Kxg7 28. Ke2 Kf6 29. f4 h5 30. Ke3 Bh3 31. Be2 Be6 32. Bd1 Bd5 33. Bc2 Ke6 34. Bd3 Kf6 35. Kd4 Ke6 36. Bf1 Kf6 37. a4 Bf3 38. Bh3 Bd1 39. Bc8 Bxa4 40. Bxb7 Bb5 41. Ke4 Ke7 42. Bc8 f6 43. Bh3 Be2 44. Kd4 Bb5 45. Bg2 Ke6 46. Bf3 f5 47. h3 Kf6 48. Bd1 Bf1 49. Bf3 Bb5 50. Ke3 Ke6 51. Bg2 Kf6 52. Bf3 Ke6 53. Bd1 Kd5 54. Bb3+ Bc4 55. Bd1 Ke6 56. Bf3 Bb5 57. Kd4 Kf6 1/2-1/2

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "4"]
[White "Ocampo Vargas, Raul"]
[Black "Montalvan, Gustavo"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2300"]
[PlyCount "63"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "NCA"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. c3 Nf6 5. Nbd2 0-0 6. Be2 c6 7. 0-0 Nbd7 8. Re1 e5 9. Bf1 Re8 10. a4 a5 11. Nc4 Qc7 12. dxe5 dxe5 13. Nd6 Re6 14. Nxf7 Kxf7 15. Ng5+ Ke7 16. Qb3 Nc5 17. Qc4 b6 18. Be3 Nfxe4 19. b4 Nxg5 20. Bxg5+ Bf6 21. Bxf6+ Kxf6 22. bxc5 bxc5 23. Qxc5 Ba6 24. Bxa6 Rxa6 25. Re3 Qd6 26. Qc4 Rb6 27. Rd3 Qb8 28. Qh4+ Kf7 29. Qxh7+ Kf6 30. Rf3+ Kg5 31. g3 Rb1+ 32. Kg2 1-0

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "1"]
[White "Vassaux E, Guillermo"]
[Black "Montalvan, Gustavo"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "44"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Guatemala"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "GUA"]
[BlackTeamCountry "NCA"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 Nf6 5. h3 Nbd7 6. Be3 0-0 7. Qd2 c5 8. Be2 a6 9. a4 Qc7 10. 0-0 cxd4 11. Bxd4 Nc5 12. Qe3 Qc6 13. b4 Ncd7 14. b5 Qc7 15. b6 Qd8 16. e5 Ne8 17. e6 fxe6 18. Qxe6+ Kh8 19. Bxg7+ Kxg7 20. Nd5 Nxb6 21. Qxe7+ Qxe7 22. Nxe7 Rf7 1/2-1/2

[Event "Olympiad-17 Final D"]
[Site "Havana"]
[Date "1966.11.13"]
[Round "9"]
[White "Montalvan, Gustavo"]
[Black "Price, Harold"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "69"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "South Africa"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "RSA"]

1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. e3 Be7 5. Nc3 d6 6. Be2 0-0 7. Bd2 Ne4 8. h4 Nxd2 9. Qxd2 Nd7 10. 0-0-0 Nf6 11. h5 a6 12. Rdg1 Ne4 13. Qe1 Nxc3 14. Qxc3 b5 15. h6 g6 16. g4 f4 17. e4 c5 18. g5 Rf7 19. dxc5 Qc7 20. Nh4 e5 21. Nxg6 hxg6 22. h7+ Kh8 23. Rh6 Rg7 24. cxd6 Bxd6 25. Rd1 Be6 26. b3 bxc4 27. Bxc4 Rc8 28. Kb2 Bxc4 29. Qxc4 Qxc4 30. bxc4 Bc5 31. f3 Bd4+ 32. Kc2 Rxc4+ 33. Kb3 Rc3+ 34. Kb4 Rb7+ 35. Ka4 0-1

[Event "Olympiad-17 Preliminaries G"]
[Site "Havana"]
[Date "1966.11.03"]
[Round "7"]
[White "Montalvan, Gustavo"]
[Black "Minaya Molano, Juan M"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "82"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. e3 g6 3. b3 Bg7 4. Bb2 c5 5. c4 0-0 6. Be2 d6 7. 0-0 e5 8. d3 Nc6 9. Nc3 b6 10. Rb1 d5 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Ne1 Ba6 14. f4 exf4 15. Bxg7 Kxg7 16. Rxf4 Rad8 17. Bf3 Qe6 18. Re4 Qd6 19. Qc2 Kg8 20. Qc3 Nb4 21. h4 Bb7 22. Rf4 Bxf3 23. Rxf3 Nxa2 24. Qb2 Nb4 25. Rd1 h5 26. Rf6 Qe7 27. Qf2 Rfe8 28. e4 Rd6 29. Rf3 Nc6 30. Qg3 Nd4 31. Rf2 Nxb3 32. Nc2 Rf6 33. Rf5 Rxf5 34. exf5 Qe5 35. Qxe5 Rxe5 36. fxg6 fxg6 37. Na3 Nd4 38. Nc4 Rf5 39. Nd6 Rd5 40. Nc4 b5 41. Na5 c4 0-1

[Event "Caracas CACAC Team Ch 2nd"]
[Site "Caracas"]
[Date "1964.02.27"]
[Round "4"]
[White "Schob, Enmanuel"]
[Black "Montalvan, Gustavo"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "82"]
[EventDate "1964.02.23"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Netherlands Antilles"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "AHO"]
[BlackTeamCountry "NCA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. a3 Bb7 8. Bd3 e5 9. Nf5 g6 10. Ne3 Bg7 11. 0-0 0-0 12. f4 exf4 13. Rxf4 Nh5 14. Rf1 Bxc3 15. bxc3 Qe7 16. Nd5 Bxd5 17. exd5 Qe5 18. Be2 Qxc3 19. Rb1 Qc5+ 20. Kh1 Ng7 21. Qd3 Nd7 22. Be3 Qc7 23. Bd4 Ne5 24. Qd1 Nf5 25. Bg1 Rac8 26. Rc1 Qc3 27. Bf3 Ne3 28. Bxe3 Qxe3 29. Ra1 Rc3 30. Re1 Qc5 31. Rxe5 dxe5 32. d6 Qd4 33. Qe1 Re3 34. Qg1 e4 35. Rd1 Qc3 36. Bg4 f5 37. Bh3 Rd8 38. g3 Rxd6 39. Rxd6 Re1 40. Bf1 Qf3+ 41. Qg2 Rxf1# 0-1

[Event "Caracas CACAC Team Ch 2nd"]
[Site "Caracas"]
[Date "1964.02.25"]
[Round "2"]
[White "Munoz, Roque"]
[Black "Montalvan, Gustavo"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "81"]
[EventDate "1964.02.23"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "NCA"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. 0-0 d5 5. d3 dxc4 6. dxe4 Qxd1 7. Rxd1 Bg4 8. Nbd2 Bxf3 9. Nxf3 Bd6 10. Rd5 f6 11. Be3 Nd7 12. c3 Nb6 13. Bxb6 axb6 14. Nd2 Ra4 15. Nf1 Ke7 16. Ne3 g6 17. Rdd1 Rd8 18. Nd5+ Ke6 19. a3 b5 20. Rd2 Raa8 21. Rad1 c6 22. Nxf6 h5 23. Ne8 Rxe8 24. Rxd6+ Kf7 25. Rd7+ Re7 26. f4 exf4 27. h4 Rae8 28. e5 Rxd7 29. Rxd7+ Re7 30. Rd4 Rxe5 31. Rxf4+ Ke6 32. Kf2 Rf5 33. Ke3 Rd5 34. Re4+ Kf6 35. Rf4+ Rf5 36. Ke4 Rxf4+ 37. Kxf4 b6 38. g3 c5 39. g4 hxg4 40. Kxg4 Kf7 41. Kg5 1/2-1/2

[Event "Caracas CACAC Team Ch 2nd"]
[Site "Caracas"]
[Date "1964.02.23"]
[Round "1"]
[White "Caro, Alberto Napoleon"]
[Black "Montalvan, Gustavo"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "38"]
[EventDate "1964.02.23"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "NCA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 dxc4 7. Bxc4 c5 8. 0-0 Nc6 9. a3 cxd4 10. exd4 Be7 11. Ne2 b6 12. Bf4 Bb7 13. Ne5 Nd5 14. Bg3 Rc8 15. Rc1 Bh4 16. Bxd5 exd5 17. Qd3 Bxg3 18. hxg3 Qd6 19. Nxc6 Rxc6 1/2-1/2

