[Event "Montevideo Team"]
[Site "Montevideo"]
[Date "1967.??.??"]
[Round "1.3"]
[White "Rosa Bunge, J."]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "65"]
[EventDate "1967.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "URU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. Bh3 Bb7 14. Bxe6 fxe6 15. Nxe6 Qc4 16. Nxg7+ Kf8 17. Nf5 b4 18. Rd4 Qc5 19. Qh5 bxc3 20. Qh6+ Ke8 21. Qe6 cxb2+ 22. Kb1 d5 23. exd5 Rc8 24. Rc4 Nf8 25. Qe2 Qa3 26. d6 Ng6 27. Nxe7 Rxc4 28. Nd5+ Kd8 29. Qxc4 Bxd5 30. Qc7+ Ke8 31. d7+ Kf7 32. d8Q+ Ne7 33. Qxd5+ 1-0

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Ayerra, Juan Maria"]
[Black "Bauza, Lorenzo"]
[Result "0-1"]
[ECO "A83"]
[PlyCount "54"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3 exf3 6. Nxf3 Bg7 7. Bd3 c5 8. 0-0 cxd4 9. Nb5 0-0 10. Nbxd4 Nc6 11. c3 Nxd4 12. cxd4 b6 13. Qb3+ Kh8 14. Ne5 Bb7 15. Bxg6 hxg6 16. Nxg6+ Kh7 17. Nxf8+ Qxf8 18. Rf4 Bd5 19. Qd3+ Kg8 20. Raf1 Qf7 21. b3 Qh5 22. Bxf6 exf6 23. Qb5 Qg5 24. g3 Be6 25. Qd3 Rc8 26. d5 Qxd5 27. Qg6 Bh3 0-1

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Ayerra, Juan Maria"]
[Black "Estrada Degrandi, Walter"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "116"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3 Bg4 6. Nbd2 0-0 7. h3 Bxf3 8. Nxf3 Nfd7 9. 0-0 e5 10. dxe5 dxe5 11. Bg5 Qe8 12. e4 Nc5 13. Re1 h6 14. Be3 Nbd7 15. Qc1 Kh7 16. Nh2 f5 17. Bxc5 Nxc5 18. exf5 gxf5 19. Bf1 Qg6 20. Qe3 b6 21. Rad1 a5 22. a3 e4 23. b4 axb4 24. axb4 Ne6 25. Rd7 Rad8 26. Red1 f4 27. Qc3 Rf7 28. Qc6 Rdxd7 29. Rxd7 Rxd7 30. Qxd7 c5 31. bxc5 Nxc5 32. Qd5 Qe6 33. Bc4 Qxd5 34. Bxd5 Kg6 35. Kf1 Be5 36. f3 e3 37. Ke2 Na4 38. Be4+ Kg5 39. Bd3 Nc3+ 40. Ke1 Kh4 41. Nf1 Bd4 42. Bf5 h5 43. Bh7 Bc5 44. Bf5 e2 45. Nd2 Bb4 46. Bd3 Nb1 47. Kxe2 Nxd2 48. Bg6 Nc4 49. Be4 Kg3 50. Bg6 h4 51. Kf1 Bc5 52. Bd3 Ne3+ 53. Kg1 Nxg2+ 54. Kh1 Ne1 55. c4 b5 56. cxb5 Nxd3 57. b6 Nf2+ 58. Kg1 Bxb6 0-1

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Ayerra, Juan Maria"]
[Black "Kalkstein, Rodolfo"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "82"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. c3 Nbd7 5. e3 e6 6. Nbd2 Be7 7. Bd3 0-0 8. Qc2 Re8 9. 0-0-0 c5 10. Ne5 Nf8 11. g4 c4 12. Be2 Qa5 13. Kb1 N6d7 14. g5 Nxe5 15. Bxe5 Bd7 16. Rdg1 b5 17. h4 b4 18. h5 bxc3 19. bxc3 Ba4 20. Qc1 Reb8+ 21. Ka1 Bb3 22. Nxb3 Rxb3 23. g6 fxg6 24. hxg6 Nxg6 25. Rxg6 hxg6 26. Bg4 Kf7 27. Qc2 Qxc3+ 28. Qxc3 Rxc3 29. Rb1 Rc2 30. Bg3 Rh8 31. Bf3 a5 32. Rb7 c3 33. a4 Rh3 34. Bd6 Rxf3 35. Bxe7 Rfxf2 36. Bh4+ Kg8 37. Bxf2 Rxf2 38. Rc7 c2 39. Kb2 g5 40. Re7 g4 41. Rxe6 g3 0-1

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Ayerra, Juan Maria"]
[Black "Kaszdan, Ernesto"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "107"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. c4 Nbd7 9. Rc1 c5 10. cxd5 Nxd5 11. Bg3 Rc8 12. Bc4 cxd4 13. exd4 e6 14. Ne4 Ne3 15. fxe3 Bxe4 16. Bd6 Re8 17. h4 Nf6 18. Be5 Nd5 19. Qe2 Bh6 20. Bxd5 exd5 21. Rxc8 Qxc8 22. Ng5 f5 23. Qb5 Bxg5 24. hxg5 Re6 25. Qb4 Qc2 26. Rf2 Qc1+ 27. Kh2 Qxe3 28. Rd2 Qxg5 29. Qc3 Re8 30. Rf2 Qe7 31. Qc6 Qe6 32. Qc7 Qe7 33. Qc6 g5 34. Qh6 g4 35. Bf6 Qf7 36. Be5 Qg6 37. Qe3 Rc8 38. Qa3 h5 39. Qe7 Re8 40. Qh4 Kf7 41. Qg3 Rc8 42. Re2 Qg5 43. Bf4 Qd8 44. Bd6 h4 45. Qf4 Rc6 46. Be5 Kg6 47. g3 h3 48. Qf2 Qc8 49. Bf4 Bf3 50. Re5 Be4 51. Bd2 Rc1 52. Rxe4 dxe4 53. Qf4 Qc2 54. Qd6+ 1/2-1/2

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Ayerra, Juan Maria"]
[Black "Longobuco, Jacinto R"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "49"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Nbd2 Nbd7 6. Bc4 0-0 7. 0-0 h6 8. c3 Nh5 9. Qc2 Kh7 10. h3 f5 11. Bh2 Ndf6 12. d5 e5 13. dxe6 d5 14. Be2 Bxe6 15. Ne5 Nd7 16. Ndf3 Nxe5 17. Nxe5 Nf6 18. g4 Nd7 19. Nd3 fxg4 20. hxg4 Bxg4 21. Bxg4 Qg5 22. f3 Qxe3+ 23. Kh1 Ne5 24. Nxe5 Bxe5 25. Rae1 1-0

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Benitez, Otto"]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "87"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Re1 Bg4 9. c4 Nf6 10. cxd5 Nxd5 11. Nc3 0-0 12. Nxd5 Qxd5 13. Be4 Qd6 14. d5 Ne5 15. Bf4 Bf6 16. Bxe5 Bxe5 17. Bxh7+ Kxh7 18. Qd3+ g6 19. Nxe5 Bf5 20. Qd4 f6 21. Nc4 Qd7 22. Ne3 Rf7 23. Rad1 g5 24. Nxf5 Qxf5 25. Qe4 Kg6 26. f3 Rh8 27. g4 Qxe4 28. fxe4 Rh4 29. h3 Rfh7 30. Kg2 Rxh3 31. Rh1 Re3 32. Rde1 Rhh3 33. Rxh3 Rxe1 34. Kf3 Rf1+ 35. Ke3 Rg1 36. Rh8 Rxg4 37. Kf3 Rf4+ 38. Ke3 Rh4 39. Rg8+ Kf7 40. Rc8 Rh3+ 41. Kd4 g4 42. Rxc7+ Kf8 43. Rc2 Rf3 44. d6 1-0

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Etcheverry, Eduardo"]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "65"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. Bh4 e5 12. dxe5 Nxe5 13. a3 Bf5 14. Qc1 Ba5 15. b4 Bd8 16. Bxd8 Raxd8 17. Qc3 Nd3+ 18. Bxd3 Bxd3 19. f3 Qg5 20. Kf2 Rfe8 21. Rae1 Re6 22. Nb3 Bb5 23. Rd1 Rde8 24. Rde1 h5 25. g3 h4 26. Qd4 h3 27. Nc5 R6e7 28. a4 b6 29. Ne4 Qf5 30. g4 Qxg4 31. fxg4 Rxe4 32. axb5 Rxd4 33. exd4 1-0

[Event "URU-ch sf2"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Silva Nazzari, Hector"]
[Black "Ayerra, Juan Maria"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "85"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Bd6 8. Bd3 0-0 9. 0-0 h6 10. Bh4 Re8 11. Qc2 Nf8 12. Bg3 Ng4 13. Bxd6 Qxd6 14. e4 dxe4 15. Nxe4 Qf4 16. Rae1 Bf5 17. Nc5 Bxd3 18. Qxd3 b6 19. g3 Qc7 20. Ne4 Re6 21. Qc4 Rd8 22. h3 Nf6 23. Nxf6+ Rxf6 24. Ne5 Qd6 25. Rc1 c5 26. Ng4 Rf5 27. Ne3 Rh5 28. dxc5 Rxc5 29. Qe4 Ne6 30. Nf5 Qc7 31. Rxc5 Qxc5 32. Qg4 Kh7 33. Re1 g6 34. Nxh6 Kxh6 35. Rxe6 Rd4 36. Re4 Qc1+ 37. Kh2 Rd1 38. Qf4+ Qxf4 39. Rxf4 f5 40. Kg2 Rd2 41. Rb4 g5 42. a4 Kg6 43. Kf3 1/2-1/2

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.26"]
[Round "17"]
[White "Casteran, Enrique"]
[Black "Ayerra, Juan Maria"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "57"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 Nc6 5. Bg5 d5 6. exd5 Qxd5 7. Be2 Bg4 8. 0-0 Bxc3 9. bxc3 0-0-0 10. Nd2 Bxe2 11. Qxe2 h6 12. Be3 e4 13. d4 Nh7 14. c4 Nxd4 15. Qg4+ Qf5 16. Qxf5+ Nxf5 17. Nxe4 Nxe3 18. fxe3 f6 19. Rad1 Ng5 20. Nxg5 hxg5 21. Rd3 Rde8 22. h3 Re4 23. Rc3 c5 24. Rf5 b6 25. Rd5 Rhh4 26. Rcd3 Rxc4 27. Rd7 Rxc2 28. Rxa7 Rb4 29. Rdd7 1/2-1/2

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.24"]
[Round "16"]
[White "Ayerra, Juan Maria"]
[Black "Silva Nazzari, Roberto"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "27"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. e3 c5 5. c3 b6 6. Bd3 a6 7. 0-0 0-0 8. dxc5 bxc5 9. e4 d6 10. Re1 Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. Nd2 h6 14. Bh4 1/2-1/2

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.21"]
[Round "15"]
[White "Kaszdan, Ernesto"]
[Black "Ayerra, Juan Maria"]
[Result "0-1"]
[ECO "C37"]
[PlyCount "50"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. 0-0 gxf3 6. Qxf3 Qf6 7. d3 Bh6 8. Nc3 Ne7 9. e5 Qxe5 10. Bxf4 Bxf4 11. Rae1 Qg5 12. Nd5 Nbc6 13. Nxf4 Ne5 14. Qe4 d6 15. Nd5 Nxd5 16. Bxd5 0-0 17. d4 c6 18. Bb3 Ng6 19. Rxf7 d5 20. Rxf8+ Nxf8 21. Re3 Ng6 22. Rg3 Qc1+ 23. Kf2 Bf5 24. Qe5 Rf8 25. Rg5 Qxg5 0-1

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.19"]
[Round "14"]
[White "Ayerra, Juan Maria"]
[Black "Martin, Luis Jacinto"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "76"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Nh5 7. Bg5 f6 8. Bh4 g6 9. Bd3 c4 10. Bc2 Bd7 11. 0-0 Be7 12. e4 0-0 13. exd5 exd5 14. Re1 b5 15. Nf1 Bd6 16. Ne5 Be8 17. Nxc6 Bxc6 18. Qf3 Qd7 19. Ne3 Rae8 20. Ng4 Kg7 21. Bg3 Nxg3 22. hxg3 h5 23. Ne3 f5 24. b3 Re7 25. a4 bxa4 26. bxc4 dxc4 27. Qd1 Rfe8 28. Bxa4 Bxa4 29. Qxa4 Qc7 30. Kf1 Bxg3 31. Qxc4 Qf4 32. Qa2 Rxe3 33. Rxe3 Rxe3 34. Kg1 Bh2+ 35. Kh1 Rxc3 36. g3 Bxg3 37. fxg3 Rxg3 38. Qxa7+ Kh6 0-1

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.17"]
[Round "13"]
[White "Longobuco, Jacinto R"]
[Black "Ayerra, Juan Maria"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "67"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. cxd5 Nxd5 8. Qd2 Bb4 9. Rc1 0-0 10. Bd3 Re8 11. 0-0 Nxc3 12. bxc3 Ba3 13. Rb1 e5 14. Qc2 h6 15. Bh4 Bd6 16. Bg3 Qc7 17. Bf5 exd4 18. Bxd6 Qxd6 19. cxd4 Rb8 20. Rfc1 Nf8 21. Bxc8 Rexc8 22. Qf5 Qe6 23. Qa5 a6 24. Rb2 Ng6 25. Rcb1 Qe7 26. Qc5 b5 27. Rc2 Qe4 28. Rbc1 b4 29. Qd6 b3 30. axb3 Rxb3 31. Nd2 Qd3 32. Nxb3 Qxb3 33. d5 Qd3 34. dxc6 0-1

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.14"]
[Round "12"]
[White "Ayerra, Juan Maria"]
[Black "Elemberg, Norberto"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "81"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. e3 d6 5. c4 Nbd7 6. Nc3 c5 7. d5 a6 8. a4 0-0 9. Bd3 h6 10. Bh4 Ng4 11. 0-0 Nde5 12. Be2 f5 13. h3 Nf6 14. Qc2 g5 15. Bg3 Ng6 16. Rab1 Qa5 17. Nd2 Bd7 18. Bd3 Nh5 19. Bh2 Ne5 20. Be2 Be8 21. f4 gxf4 22. exf4 Nd7 23. g4 Bd4+ 24. Kh1 Ng7 25. Bd3 Bg6 26. Ne2 Be3 27. Rbd1 b5 28. axb5 axb5 29. cxb5 Nb6 30. Nc4 Nxc4 31. Bxc4 Rf6 32. Qb3 Bd2 33. Nc3 Bxc3 34. bxc3 fxg4 35. hxg4 Be4+ 36. Kg1 Rg6 37. Be2 Qa2 38. Qxa2 Rxa2 39. Rf2 Nf5 40. c4 Nd4 41. Re1 1/2-1/2

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.10"]
[Round "10"]
[White "Ostiante, Carlos"]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "C36"]
[PlyCount "51"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Qxd5 5. Nc3 Qe6+ 6. Be2 Bd6 7. 0-0 Ne7 8. d4 0-0 9. Ng5 Qg6 10. Nge4 Bf5 11. Bh5 Qe6 12. Nxd6 Qxd6 13. Bxf4 Qb6 14. Na4 Qc6 15. Nc5 Be4 16. Nxe4 Qxe4 17. Bxc7 Nf5 18. c3 Qe3+ 19. Kh1 g6 20. Qb3 Nd7 21. Qxb7 Nb6 22. Bg4 Rfe8 23. Bxf5 gxf5 24. Be5 Nc4 25. Rxf5 Nd2 26. Qxf7# 1-0

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.07"]
[Round "9"]
[White "Ayerra, Juan Maria"]
[Black "Varlotta, Adolfo R"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "52"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 Bd6 7. Ne5 Qc7 8. Bb5 a6 9. Qa4 0-0 10. Bxc6 bxc6 11. Qxc6 Qb8 12. dxc5 Bxe5 13. Bxe5 Qxe5 14. Qxa8 Qc7 15. b4 Nd7 16. Nb3 Bb7 17. Qxf8+ Kxf8 18. 0-0 g5 19. f4 g4 20. Nd4 Nf6 21. a4 Ne4 22. c6 Bxc6 23. b5 Bb7 24. Rfc1 Qc4 25. Re1 h5 26. Rab1 h4 0-1

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.05"]
[Round "8"]
[White "Bauza, Lorenzo"]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "71"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. Bd3 Bg4 5. c4 e6 6. Qb3 Qc7 7. Ne5 Bh5 8. Nc3 Nbd7 9. f4 dxc4 10. Bxc4 Nd5 11. 0-0 Nxe5 12. dxe5 Nxc3 13. Qxc3 0-0-0 14. e4 Bc5+ 15. Be3 Bxe3+ 16. Qxe3 Qb6 17. Qxb6 axb6 18. Rae1 b5 19. Bb3 Rd2 20. h3 h6 21. f5 exf5 22. exf5 f6 23. g4 Be8 24. Rf2 Rxf2 25. Kxf2 fxe5 26. Rxe5 Rf8 27. Re7 g6 28. Be6+ Kb8 29. Ke3 gxf5 30. gxf5 c5 31. a3 Bc6 32. Kf4 Bg2 33. h4 Rd8 34. f6 Ka7 35. f7 Bc6 36. Ke5 1-0

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.10.03"]
[Round "7"]
[White "Ayerra, Juan Maria"]
[Black "Silva Nazzari, Hector"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "97"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. g3 d5 5. Bg2 c6 6. cxd5 exd5 7. 0-0 Bd6 8. Nc3 0-0 9. a3 Qe8 10. b4 Ne4 11. Nxe4 fxe4 12. Ne1 Qh5 13. f4 Rf6 14. Rf2 Bg4 15. Nc2 Nd7 16. Ne3 Raf8 17. Nxg4 Qxg4 18. Qf1 Nb6 19. e3 g5 20. Bh3 Qh5 21. g4 Qh4 22. Raa2 Rh6 23. fxg5 Rxf2 24. Rxf2 Qxg5 25. Rf5 Qh4 26. Rh5 Rxh5 27. gxh5 Qxh5 28. Be6+ Kg7 29. Qg2+ Qg6 30. Bg4 Kf8 31. h4 h5 32. Be2 Qxg2+ 33. Kxg2 Be7 34. Kh3 Kg7 35. Bxh5 Kh6 36. Be2 Nc8 37. Bd2 Nd6 38. Kg4 Kg6 39. h5+ Kh6 40. Be1 Bg5 41. Bd2 a6 42. a4 b5 43. a5 Nc4 44. Bxc4 bxc4 45. Kf5 Kxh5 46. Ke5 Kg4 47. Kd6 Kf3 48. Kxc6 Bxe3 49. Bc3 1-0

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.09.30"]
[Round "6"]
[White "Trinidad, Vidal"]
[Black "Ayerra, Juan Maria"]
[Result "1/2-1/2"]
[ECO "D48"]
[PlyCount "29"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. Qe2 Bb7 11. Rd1 Rc8 12. Bc2 Be7 13. Ne5 Qc7 14. Nxd7 Qxd7 15. f3 1/2-1/2

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.09.28"]
[Round "5"]
[White "Ayerra, Juan Maria"]
[Black "Roux Cabral, Fausto"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "56"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. Nbd2 Be7 5. e3 Nbd7 6. Bd3 c5 7. c3 b6 8. Ne5 Nxe5 9. dxe5 Nd7 10. Bf4 c4 11. Bc2 Nc5 12. 0-0 a5 13. Qg4 g6 14. Rfd1 Qc7 15. Nf3 Bb7 16. Ng5 Bf8 17. h4 Bg7 18. Qg3 a4 19. h5 b5 20. hxg6 fxg6 21. Nxh7 0-0-0 22. Ng5 Bh6 23. f3 Bxg5 24. Bxg5 Rdf8 25. Kf2 Ne4+ 26. Bxe4 dxe4 27. f4 Qxe5 28. Rd8+ Rxd8 1-0

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.09.26"]
[Round "4"]
[White "Galli, Antonio"]
[Black "Ayerra, Juan Maria"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "68"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Nd2 Bb4 9. Qc2 0-0 10. Rc1 Re8 11. Be2 e5 12. dxe5 Rxe5 13. Nf3 Bf5 14. Qb3 Re7 15. 0-0 dxc4 16. Bxc4 Ne4 17. Nxe4 Bxe4 18. a3 Bd6 19. Rfd1 Rd8 20. Ne1 Red7 21. g3 Qh5 22. Rd4 Bf5 23. Rcd1 Qg5 24. Bxf7+ Rxf7 25. Rxd6 Rdf8 26. Ng2 Be4 27. f4 Qg4 28. R1d2 Bd5 29. R6xd5 cxd5 30. Qxd5 h6 31. e4 Kh8 32. Ne3 Qf3 33. Nf5 Rc7 34. Rd1 Rc2 0-1

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.09.23"]
[Round "3"]
[White "Ayerra, Juan Maria"]
[Black "Hounie Fleurquin, Carlos"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "96"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Nbd7 5. Nbd2 Be7 6. Bd3 Nh5 7. 0-0 Nxf4 8. exf4 0-0 9. f5 exf5 10. Bxf5 g6 11. Bd3 Bf6 12. Re1 c5 13. c3 Qb6 14. Qb3 Qd6 15. Qc2 b6 16. h4 Bb7 17. Rad1 Rac8 18. Qb1 Rfe8 19. h5 Kg7 20. Nf1 a6 21. Ng3 Nf8 22. Bf5 Rcd8 23. Qc1 Bc8 24. dxc5 Rxe1+ 25. Nxe1 Qxc5 26. hxg6 hxg6 27. Bxc8 Qxc8 28. Nf3 Qc4 29. Qe3 Qb5 30. Rd2 Ne6 31. Ne2 Nc5 32. Ned4 Qa4 33. b3 Qd7 34. Re2 Qg4 35. Ne5 Qh5 36. g4 Qh4 37. Ndf3 Qh3 38. g5 Rh8 39. gxf6+ Kg8 40. Nh4 Qxh4 41. Qf3 Qg5+ 42. Kf1 Ne4 43. Nc4 Qc1+ 44. Re1 Qc2 45. Kg2 Rh5 46. Nxb6 Rf5 47. Re2 Qd1 48. Qe3 Rg5+ 0-1

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.09.21"]
[Round "2"]
[White "Alvarez, Jose Luis"]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "83"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. 0-0 Nc6 7. Re1 Bxe5 8. dxe5 0-0 9. Bf4 f5 10. c4 Be6 11. cxd5 Qxd5 12. Bxe4 Qxd1 13. Rxd1 fxe4 14. Bg3 Nb4 15. Nc3 Bf5 16. Nb5 Nc2 17. Rac1 e3 18. fxe3 Nxe3 19. Re1 Nc2 20. Rf1 Ne3 21. Rf3 Nd5 22. Nxc7 Rac8 23. e6 Nxc7 24. e7 Rfe8 25. Rxf5 Ne6 26. Rxc8 Rxc8 27. Bd6 Re8 28. h4 h6 29. Kf2 b6 30. a4 a6 31. g4 Rc8 32. Ke3 Re8 33. Kd2 Rc8 34. b4 Re8 35. a5 bxa5 36. bxa5 Rc8 37. Kd3 Re8 38. Kc4 Rc8+ 39. Kd5 g6 40. Kxe6 gxf5 41. gxf5 Ra8 42. f6 1-0

[Event "URU-ch"]
[Site "Montevideo"]
[Date "1960.09.19"]
[Round "1"]
[White "Ayerra, Juan Maria"]
[Black "Estrada Degrandi, Walter"]
[Result "0-1"]
[ECO "A97"]
[PlyCount "64"]
[EventDate "1960.09.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URU"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. g3 0-0 6. Bg2 d6 7. 0-0 Qe8 8. Re1 Ne4 9. Nxe4 fxe4 10. Ng5 Bxg5 11. Bxg5 Qg6 12. Be3 Nc6 13. f3 e5 14. d5 exf3 15. exf3 Ne7 16. Rc1 h5 17. c5 h4 18. Bf2 hxg3 19. hxg3 Qf6 20. cxd6 cxd6 21. Rc7 b6 22. b4 Bf5 23. f4 Ng6 24. fxe5 Nxe5 25. Bd4 Rae8 26. Rf1 Qg6 27. Qb3 Bd3 28. Rxf8+ Rxf8 29. Bxe5 dxe5 30. d6+ Kh7 31. Qd1 Qxg3 32. Qh5+ Kg8 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1953.??.??"]
[Round "6"]
[White "Ayerra, Juan Maria"]
[Black "Vita, A."]
[Result "1-0"]
[ECO "D02"]
[PlyCount "51"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. Nbd2 c5 5. c3 Nc6 6. e3 Be7 7. Bd3 Qb6 8. Rb1 Nh5 9. Be5 Nxe5 10. Nxe5 Nf6 11. f4 a6 12. a4 Bd7 13. 0-0 Rc8 14. f5 Qd6 15. Nxd7 Qxd7 16. Nf3 0-0 17. Ne5 Qd6 18. Qf3 Nd7 19. Qh3 Nxe5 20. dxe5 Qxe5 21. fxe6 g6 22. Rxf7 Rxf7 23. exf7+ Kg7 24. Qxc8 Qxe3+ 25. Kh1 Qxd3 26. Qg8+ 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1953.??.??"]
[Round "7"]
[White "Gligoric, Svetozar"]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "43"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ncxe5 7. Nxe5 Nxe5 8. 0-0 d6 9. Nc3 Be6 10. b3 f5 11. Na4 Bb6 12. Nxb6 axb6 13. Bb2 0-0 14. f4 Nc6 15. Bf3 Qe7 16. Qd2 Rad8 17. Rad1 Rd7 18. Rfe1 Qf7 19. e4 Re7 20. Qc3 Rfe8 21. exf5 Bxf5 22. Bd5 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1953.??.??"]
[Round "2"]
[White "Kalkstein, Rodolfo"]
[Black "Ayerra, Juan Maria"]
[Result "1-0"]
[ECO "C13"]
[PlyCount "49"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[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 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nf3 0-0 8. c3 Nd7 9. Bd3 Re8 10. Qc2 h6 11. 0-0-0 a5 12. h4 b6 13. g4 Bb7 14. g5 Bxe4 15. Bxe4 hxg5 16. Bxa8 Qxa8 17. hxg5 Qxf3 18. Qh7+ Kf8 19. Qh8+ Ke7 20. gxf6+ Qxf6 21. Qh4 g5 22. Qg3 Kd8 23. Rh5 Rg8 24. Rg1 g4 25. f3 1-0

