[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cantero, Ronaldo"]
[Black "Cruz, Walter Oswaldo"]
[Result "1/2-1/2"]
[ECO "E55"]
[PlyCount "145"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 0-0 7. 0-0 dxc4 8. Bxc4 Nbd7 9. Qe2 Nb6 10. Bb3 cxd4 11. exd4 Bd7 12. Bg5 Be7 13. Rfe1 Re8 14. Rad1 Nbd5 15. Ne5 Nxc3 16. bxc3 Nd5 17. Bd2 b5 18. Qf3 Nf6 19. d5 exd5 20. Bxd5 Be6 21. Bxa8 Qxa8 22. Qxa8 Rxa8 23. Nc6 Bf8 24. Be3 Bxa2 25. Bxa7 Nd5 26. Bd4 b4 27. cxb4 Nxb4 28. Nxb4 Bxb4 29. Re2 Be6 30. Rb2 Ba3 31. Rbd2 Be7 32. h3 h6 33. Be3 Bf6 34. Kh2 h5 35. g3 g6 36. Rd6 Re8 37. Rb6 Kg7 38. Rdb1 Bf5 39. R1b4 Rd8 40. g4 hxg4 41. hxg4 Bd3 42. Bh6+ Kxh6 43. Rxf6 Kg7 44. Rff4 Rc8 45. Rfd4 Ba6 46. Kg3 Be2 47. Rb3 Rc1 48. f3 Bc4 49. Rb8 Be6 50. Kf4 Rc5 51. Kg3 Kf6 52. f4 Rc1 53. g5+ Ke7 54. Rb7+ Ke8 55. Rd2 Rc3+ 56. Kf2 Rc8 57. Rd6 Kf8 58. Ke3 Rc3+ 59. Kd2 Rc8 60. Kd3 Bf5+ 61. Kd4 Re8 62. Kc5 Be6 63. Ra7 Rc8+ 64. Kb6 Rb8+ 65. Ka5 Rc8 66. Rb7 Ra8+ 67. Kb5 Re8 68. Rc7 Rb8+ 69. Kc5 Re8 70. Rb6 Rd8 71. Rcb7 Rd5+ 72. Kc6 Rd8 73. Rb8 1/2-1/2

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Esposito, Alfredo H"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "100"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. d4 Nbd7 7. Bg2 e5 8. dxe5 dxe5 9. 0-0 e4 10. Ne1 Re8 11. Nc2 c6 12. Ne3 Qa5 13. Qd2 Qh5 14. f4 exf3 15. Bxf3 Qg5 16. Ng2 Qxd2 17. Nxd2 Ne5 18. Nf4 Bf5 19. Rfd1 Nfg4 20. Bxg4 Nxg4 21. Bxg7 Kxg7 22. e4 Bxe4 23. Nxe4 Rxe4 24. Rd7 Ne5 25. Rxb7 g5 26. Nh3 Nf3+ 27. Kg2 g4 28. Nf2 Re2 29. Rd1 Rae8 30. h3 h5 31. hxg4 hxg4 32. Rdd7 Ng5 33. Rxa7 R8e5 34. Kf1 Re1+ 35. Kg2 Rc1 36. Rd4 Rc2 37. Rxg4 Rf5 38. Rf4 Rxf4 39. gxf4 Ne4 40. Kf3 Nxf2 41. Rc7 Nd3 42. Rxc6 Rxa2 43. Ke4 Nf2+ 44. Kd4 Rd2+ 45. Ke3 Rb2 46. Rb6 Ng4+ 47. Kd4 Rf2 48. Ke4 Nf6+ 49. Ke3 Ng4+ 50. Ke4 Nf6+ 1/2-1/2

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "56"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. e3 f5 6. Nge2 Nf6 7. 0-0 0-0 8. Qb3 c6 9. d3 Qe7 10. e4 Kh8 11. Qa3 Nbd7 12. Bg5 h6 13. Bd2 Nc5 14. Na4 Nxa4 15. Qxa4 f4 16. gxf4 Nh5 17. fxe5 dxe5 18. d4 exd4 19. f4 d3 20. Nc1 Bg4 21. e5 Bxe5 22. Nxd3 Bd4+ 23. Kh1 Be2 24. c5 Rad8 25. Qc4 Bxf1 26. Rxf1 Qe2 27. Be1 Nxf4 28. Bh3 Qe4+ 0-1

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Madeira de Ley, Manuel"]
[Result "0-1"]
[ECO "E63"]
[PlyCount "132"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 a6 7. Nc3 Nc6 8. b3 Rb8 9. Bb2 b5 10. d5 Na7 11. cxb5 axb5 12. b4 c5 13. a3 Ne4 14. Qc1 Nxc3 15. Bxc3 Bxc3 16. Qxc3 Qb6 17. Rfc1 c4 18. Qd2 Kg7 19. h4 h5 20. Rd1 Bd7 21. Rac1 Rbc8 22. Rc3 Rc7 23. Ng5 Nc8 24. Rf3 Qa7 25. Qc3+ Kg8 26. Rf4 Nb6 27. Bf3 Qa4 28. Ra1 Bg4 29. e4 Nd7 30. Rxg4 hxg4 31. Bd1 Qa7 32. Bxg4 Ne5 33. Be2 Rfc8 34. Kg2 Qa4 35. Bd1 Qa7 36. Bc2 Ng4 37. Qf3 Ne5 38. Qf4 Kg7 39. h5 gxh5 40. Qf5 Rh8 41. f4 e6 42. Nxe6+ fxe6 43. Qg5+ Ng6 44. f5 Qd4 45. Qxg6+ Kf8 46. Rf1 Rf7 47. Qxe6 Qf6 48. a4 bxa4 49. Qxf6 Rxf6 50. Bxa4 Ke7 51. Bc6 Rf7 52. Rf3 Kf6 53. Rc3 Rg7 54. Rxc4 Rhg8 55. Rc2 Rxg3+ 56. Kh2 R3g4 57. Kh3 Rxe4 58. b5 Re3+ 59. Kh2 Kxf5 60. b6 Rb3 61. b7 Ke4 62. Rf2 h4 63. Rf6 h3 64. Rf2 Ke3 65. Ra2 Kf3 66. Ra8 Rb2+ 0-1

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "A53"]
[PlyCount "74"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Bf4 Nh5 5. Bg5 h6 6. Bd2 e5 7. Nc3 Nhf6 8. Qc2 g6 9. Rd1 c6 10. g3 Bg7 11. Bg2 0-0 12. 0-0 Re8 13. e4 Qe7 14. Rfe1 a6 15. a4 a5 16. h3 exd4 17. Nxd4 Nc5 18. Kh2 Nfd7 19. Be3 Na6 20. Nde2 Nb4 21. Qb1 h5 22. Bd4 h4 23. g4 Ne5 24. b3 g5 25. Be3 Bxg4 26. hxg4 Nxg4+ 27. Kg1 Qe5 28. Qc1 Qh2+ 29. Kf1 h3 30. Bf3 Ne5 31. Ng1 Nbd3 32. Qd2 g4 33. Ke2 Nxe1 34. Rxe1 gxf3+ 35. Kd1 Qg2 36. Nxh3 Qxh3 37. Rg1 Re6 0-1

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "80"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. h3 d6 6. Bf4 Nfd7 7. Qd2 e5 8. Bh6 Re8 9. Bxg7 Kxg7 10. h4 h6 11. dxe5 dxe5 12. e3 e4 13. Nd4 Nf6 14. Be2 Na6 15. 0-0-0 c6 16. Nb3 Qe7 17. Qd6 Bg4 18. Qxe7 Rxe7 19. f3 Bh5 20. Rhe1 exf3 21. Bxf3 Rae8 22. Bxh5 Nxh5 23. Na5 Ng3 24. Rd2 Nf5 25. h5 Nxe3 26. hxg6 fxg6 27. Rde2 Nb4 28. Rd2 b6 29. Nb3 Nxc4 30. Rxe7+ Rxe7 31. Rd1 c5 32. a3 Nc6 33. Nb5 h5 34. Nd6 N6e5 35. a4 Rd7 36. Ne8+ Kf7 37. Rxd7+ Nxd7 38. Nc7 Ne3 39. a5 bxa5 40. g3 Nf1 0-1

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "128"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d6 3. d4 g6 4. Nc3 Bg7 5. Bf4 0-0 6. h3 Nbd7 7. e3 c6 8. Be2 Qa5 9. 0-0 e5 10. Bh2 Re8 11. Qd2 exd4 12. Nxd4 d5 13. Rad1 dxc4 14. Bxc4 Nb6 15. Bb3 Qc5 16. Rfe1 a5 17. a3 a4 18. Ba2 Nfd5 19. Nxd5 Nxd5 20. Rc1 Qa5 21. Red1 Nf6 22. Qxa5 Rxa5 23. Bc7 Ra8 24. Rc4 Bf8 25. Rcc1 h6 26. Ne2 Bg7 27. Bb6 Be6 28. Bxe6 Rxe6 29. Bd4 Rd8 30. Kf1 Red6 31. Ke1 h5 32. Be5 Rxd1+ 33. Rxd1 Rxd1+ 34. Kxd1 Kf8 35. Kc2 Ke7 36. f3 Ke6 37. Bd4 Bh6 38. e4 Nd7 39. Kd3 b5 40. Bc3 Ne5+ 41. Kc2 h4 42. Be1 Nc4 43. Bxh4 Bg7 44. Nf4+ Kd7 45. Nd3 Ne3+ 46. Kd2 Nxg2 47. Bg3 Ke6 48. Ke2 g5 49. Kf2 Nf4 50. Bxf4 gxf4 51. Nxf4+ Kd6 52. Nd3 Bd4+ 53. Ke2 c5 54. Kd2 c4 55. Nb4 Bxb2 56. Nc2 Ke5 57. Ke3 Bc1+ 58. Ke2 Kf4 59. Nd4 Bxa3 60. Nxb5 Bb2 61. Kd2 Kxf3 62. Nd6 a3 63. Kc2 Bg7 64. e5 a2 0-1

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Rubio Aguado, Fernando"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "87"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. d4 Nbd7 7. Bg2 e5 8. dxe5 Ng4 9. 0-0 Ngxe5 10. Nxe5 dxe5 11. Nc3 f5 12. Ba3 c5 13. Qd5+ Kh8 14. Bxc5 Nxc5 15. Qxc5 e4 16. Rad1 Qf6 17. Nd5 Qb2 18. Qe7 Qe5 19. f4 Qxe7 20. Nxe7 Be6 21. Rd6 Rf6 22. Nd5 Bxd5 23. Rxd5 Ra6 24. Rfd1 Bf6 25. Rd6 Rxd6 26. Rxd6 Be7 27. Rd7 Bc5+ 28. Kf1 b6 29. g4 fxg4 30. Bxe4 Rf8 31. f5 gxf5 32. Bd3 a5 33. Rd5 f4 34. Rf5 Rxf5 35. Bxf5 h5 36. Bg6 h4 37. Bf5 g3 38. hxg3 fxg3 39. Kg2 Kg7 40. Kf3 Kf6 41. Bh3 Ke5 42. e3 Ba3 43. Bg2 Be7 44. Ke2 1/2-1/2

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Tavares da Silva, Luiz"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "83"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 0-0 5. Nf3 d6 6. d4 c5 7. 0-0 Nc6 8. e3 Na5 9. b3 a6 10. Bb2 b6 11. Qe2 Bb7 12. e4 Nd7 13. d5 b5 14. cxb5 axb5 15. Rfe1 Ba6 16. Qd2 f6 17. Ne2 Ne5 18. Nh4 b4 19. Nf4 Bc8 20. Ne6 Bxe6 21. dxe6 Qb6 22. f4 Nec6 23. Qf2 Rab8 24. Bf1 Nd8 25. f5 g5 26. Ng2 Ndc6 27. Ne3 Qb7 28. Nd5 Ne5 29. Be2 Nac6 30. Red1 Na7 31. Qe3 Nec6 32. h4 h6 33. Kg2 Nb5 34. Bxb5 Qxb5 35. Rh1 Rb7 36. hxg5 fxg5 37. Bxg7 Kxg7 38. Rxh6 Rg8 39. Rg6+ Kf8 40. Rxg8+ Kxg8 41. Qxg5+ Kf8 42. Qh6+ 1-0

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Engels, Ludwig"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "83"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. Be3 d6 6. Nbd2 0-0 7. c3 Bxe3 8. fxe3 d5 9. exd5 Nxd5 10. Qe2 Bg4 11. h3 Bxf3 12. Qxf3 Nb6 13. Bb3 Kh8 14. Bc2 f5 15. 0-0 a5 16. Rad1 Qe7 17. Rf2 Rad8 18. Rdf1 Rf6 19. Kh1 Nd7 20. d4 g6 21. Bb3 Rdf8 22. Qe2 Nb6 23. Qb5 g5 24. Bc2 Qe6 25. a4 Kg7 26. Nf3 exd4 27. exd4 h6 28. Nh2 Ne7 29. Bb3 Qd6 30. Qxa5 h5 31. Qe5 Qxe5 32. dxe5 Rc6 33. Nf3 Rg6 34. Nd4 Kh6 35. a5 Nbd5 36. Nxf5+ Nxf5 37. Rxf5 Rxf5 38. Rxf5 Nf4 39. Bc2 Kg7 40. Rxf4 gxf4 41. Bxg6 Kxg6 42. b4 1-0

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Gentil Junior, Luiz"]
[Black "Cruz, Walter Oswaldo"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "92"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 Nxe4 6. 0-0 Be7 7. Qe2 b5 8. Nxe5 Nd6 9. Nxc6 dxc6 10. Bb3 0-0 11. c3 Bf5 12. Nd2 Bf6 13. Nf3 Re8 14. Be3 Bg6 15. Rfe1 Bh5 16. h3 Nf5 17. Qd3 Qd7 18. Bf4 c5 19. g4 c4 20. Qxf5 Qxf5 21. gxf5 Bxf3 22. Bc2 c6 23. Re3 Bd5 24. Rae1 Rec8 25. Bd6 Bg5 26. f4 Bh4 27. R1e2 h6 28. Be7 Bxe7 29. Rxe7 Kf8 30. R7e3 Re8 31. Kf2 Rxe3 32. Rxe3 Re8 33. Re5 f6 34. Rxe8+ Kxe8 35. Ke3 Ke7 36. h4 Kd6 37. Bd1 Bg2 38. Bc2 Kd5 39. Bb1 a5 40. a3 c5 41. dxc5 Kxc5 42. Bc2 Bc6 43. Kf2 Bd7 44. Ke3 b4 45. Ke4 Bc6+ 46. Ke3 bxa3 1/2-1/2

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Humerez Estrada, Cidar"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "C92"]
[PlyCount "93"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Be6 10. d4 Bxb3 11. axb3 exd4 12. Nxd4 Nxd4 13. Qxd4 Re8 14. Nd2 Qc8 15. Nf1 Qb7 16. Ng3 c5 17. Qd1 g6 18. Qf3 Nd7 19. Bh6 Ne5 20. Qe3 f6 21. Bf4 Nf7 22. Qd2 a5 23. Nf1 Bf8 24. f3 a4 25. bxa4 bxa4 26. Ne3 Reb8 27. Re2 Bg7 28. Nd5 Re8 29. Qc2 a3 30. bxa3 c4 31. Ree1 f5 32. Reb1 Qc6 33. Rb6 Qc8 34. a4 fxe4 35. fxe4 Ra5 36. Rab1 g5 37. Ne7+ Rxe7 38. Rb8 Ra8 39. Rxc8+ Rxc8 40. Bg3 Rce8 41. a5 Ra8 42. Rb5 Rea7 43. Qa4 Bxc3 44. Qxc4 Rxa5 45. Rb7 d5 46. Qxc3 dxe4 47. Qf6 1-0

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Mangini, Jose Thiago"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "C97"]
[PlyCount "135"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Re8 13. Nf1 Bd7 14. Ne3 g6 15. a4 Bf8 16. axb5 axb5 17. dxe5 dxe5 18. Nh2 c4 19. Qf3 Bg7 20. Nhg4 Nxg4 21. hxg4 Be6 22. Nf5 Bf8 23. Nh6+ Bxh6 24. Bxh6 Qe7 25. g5 Nb7 26. Red1 Nc5 27. Kh2 Bd7 28. Rxa8 Rxa8 29. Rd5 Ra6 30. Qd1 Ra7 31. Qd2 Be8 32. Qe3 Rc7 33. Qg3 Nd7 34. Rxb5 Rc5 35. Rb7 Ra5 36. Bd1 Qd6 37. Bg4 Nc5 38. Rb4 Bb5 39. Qf3 Nd3 40. Qd1 Qc7 41. Qf3 Qe7 42. Bd7 Nxb4 43. cxb4 f5 44. gxf6 Qxd7 45. bxa5 Kf7 46. Bg5 Qd3 47. Qh3 Qxh3+ 48. Kxh3 Bc6 49. f3 Bb7 50. Kg3 h6 51. Bxh6 Kxf6 52. Kh4 Ba6 53. Bg5+ Ke6 54. Bd8 Kd7 55. Bb6 Ke6 56. Kg5 c3 57. bxc3 Bf1 58. g3 Be2 59. f4 Bd3 60. Kxg6 exf4 61. gxf4 Bxe4+ 62. Kg5 Bd3 63. Bd4 Kf7 64. f5 Bc4 65. Kf4 Bd3 66. Ke5 Ke7 67. f6+ Kf7 68. Kd5 1-0

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Perez Alcocer, Jose"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "E50"]
[PlyCount "63"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 0-0 6. Be2 Ne4 7. Qc2 f5 8. 0-0 Bxc3 9. bxc3 b6 10. Nd2 Bb7 11. f3 Nxd2 12. Qxd2 d6 13. d5 e5 14. e4 fxe4 15. fxe4 Rxf1+ 16. Bxf1 Nd7 17. Qg5 Nf6 18. Bd3 Bc8 19. Bd2 Bd7 20. Rf1 Qe7 21. h3 Rf8 22. Be2 h6 23. Qe3 Be8 24. Be1 Qd7 25. Bd1 Qf7 26. Be2 Qg6 27. Bd3 Qh7 28. Bd2 Bg6 29. Re1 b5 30. cxb5 Nxd5 31. Bc4 Bf7 32. exd5 1-0

[Event "Rio de Janeiro Zonal"]
[Site "Rio de Janeiro"]
[Date "1957.??.??"]
[Round "?"]
[White "Sanguineti, Raul"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "C88"]
[PlyCount "59"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Rb8 9. axb5 axb5 10. c3 d6 11. d4 exd4 12. cxd4 Bg4 13. Nc3 Nb4 14. Bf4 Nh5 15. Be3 c5 16. h3 Bd7 17. dxc5 dxc5 18. Ne5 Nf6 19. Nxd7 Nxd7 20. Ra7 Ne5 21. Qxd8 Bxd8 22. Bxc5 Nbd3 23. Bxf8 Kxf8 24. Rea1 Bb6 25. Ra8 Bxf2+ 26. Kf1 Rxa8 27. Rxa8+ Ke7 28. Rb8 Bd4 29. Rxb5 Nxb2 30. Ne2 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.05.10"]
[Round "21"]
[White "Cruz, Walter Oswaldo"]
[Black "Humerez Estrada, Cidar"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "89"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 b6 5. g3 Bb7 6. Bg2 dxc4 7. bxc4 Be7 8. 0-0 0-0 9. Qc2 Nbd7 10. Nc3 Re8 11. Rfd1 c5 12. a4 Bd6 13. Nb5 Bb8 14. d4 a6 15. Nc3 cxd4 16. Rxd4 Qc8 17. Rad1 e5 18. Rxd7 Nxd7 19. Bh3 Bc6 20. Ng5 g6 21. Nce4 f5 22. c5 Kg7 23. Qc4 Re7 24. Ne6+ Kh8 25. Nd6 Qg8 26. cxb6 Rxe6 27. Qxc6 Rxd6 28. Rxd6 Bxd6 29. Qxd6 Rd8 30. Bg2 Qf8 31. Qc7 h5 32. b7 Nb8 33. Qxe5+ Kh7 34. h4 Qg8 35. Kh2 Qf8 36. Bd5 Re8 37. Qc7+ Qe7 38. Qc3 Qf8 39. e3 Rd8 40. Qc7+ Rd7 41. Qc8 Rd8 42. Be6 f4 43. exf4 Qd6 44. Qc3 Qe7 45. f5 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.05.??"]
[Round "18"]
[White "Cruz, Walter Oswaldo"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "E65"]
[PlyCount "38"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. g3 Nf6 4. d4 0-0 5. Bg2 c5 6. 0-0 Nc6 7. Nc3 d6 8. dxc5 dxc5 9. Be3 Qa5 10. Qa4 Qxa4 11. Nxa4 b6 12. Rad1 Ba6 13. b3 Rad8 14. Bc1 Nb4 15. Ne5 Nxa2 16. Nc6 Rxd1 17. Rxd1 Nxc1 18. Rxc1 Bh6 19. Rd1 Bc8 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.05.??"]
[Round "20"]
[White "Perez Alcocer, Jose"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "C97"]
[PlyCount "60"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. a4 Bd7 13. axb5 axb5 14. dxc5 dxc5 15. Nbd2 Bc6 16. Nf1 Nc4 17. Rxa8 Rxa8 18. Ng3 g6 19. Qe2 Nb6 20. Bh6 c4 21. Ng5 Na4 22. b3 Nxc3 23. Qf3 Na2 24. bxc4 bxc4 25. Nf1 Ra3 26. Re3 Qa5 27. g4 Rxe3 28. Nxe3 Qe1+ 29. Kg2 Nc3 30. Nxc4 Ne2 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.05.??"]
[Round "19"]
[White "Pilnik, Hermann"]
[Black "Cruz, Walter Oswaldo"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "125"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. e4 e5 7. c3 b6 8. Re1 Bb7 9. Nbd2 Re8 10. Nc4 Nbd7 11. a4 a5 12. h3 Qc8 13. Qc2 Ra7 14. Na3 d5 15. Nb5 Ra8 16. Bg5 dxe4 17. dxe4 Bc6 18. c4 Nc5 19. Nc3 Bd7 20. Kh2 c6 21. Be3 Bf8 22. Rad1 Qc7 23. Rd2 Bc8 24. Red1 Nfd7 25. Ne1 Bb7 26. Nd3 Rad8 27. f4 f6 28. fxe5 Nxd3 29. Qxd3 Nxe5 30. Qxd8 Rxd8 31. Rxd8 Kg7 32. Ne2 Bc8 33. Bf4 Be7 34. Bxe5 fxe5 35. R8d3 Be6 36. b3 Bc5 37. h4 Qe7 38. Ng1 Bxg1+ 39. Kxg1 Bg4 40. Bf3 Qc5+ 41. Kg2 h5 42. Bxg4 hxg4 43. h5 gxh5 44. Rd7+ Kg8 45. Rc7 Qf8 46. Rd3 Qf6 47. Rcd7 Qg5 48. Rc7 Kf8 49. Rxc6 Qc1 50. Rf6+ Ke7 51. Rf2 Qe1 52. Rfd2 Qxe4+ 53. Kf2 Qh1 54. Re2 Ke6 55. Rd5 Kf6 56. Rd3 e4 57. Rc3 Ke5 58. c5 Qh2+ 59. Kf1 Qh1+ 60. Kf2 bxc5 61. Rxc5+ Kd6 62. Rc3 Ke5 63. Rc5+ 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.05.??"]
[Round "17"]
[White "Wexler, Bernardo"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "80"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Nf6 4. g3 d5 5. Nbd2 Bc5 6. Bg2 dxe4 7. dxe4 h6 8. 0-0 Be6 9. Qe2 0-0 10. c3 a6 11. Nc4 Nd7 12. Rd1 Qe7 13. Ne3 Bxe3 14. Bxe3 Rfd8 15. Nh4 Qf6 16. Rf1 g5 17. Nf3 Bg4 18. h3 Bh5 19. g4 Bg6 20. h4 Bxe4 21. hxg5 Bxf3 22. Qxf3 Qxf3 23. Bxf3 hxg5 24. Bxg5 f6 25. Be3 Nb6 26. Rad1 Na4 27. Bc1 Kg7 28. Kg2 Nc5 29. Be3 Ne6 30. Rh1 Rxd1 31. Rxd1 Rd8 32. Rh1 Rh8 33. Rb1 Rd8 34. Be4 Rb8 35. Kf3 Ne7 36. Rd1 Rd8 37. Rh1 Ng6 38. Bxb7 Ng5+ 39. Bxg5 fxg5 40. Bxa6 Rf8+ 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.03"]
[Round "1"]
[White "Castillo Larenas, Mariano"]
[Black "Cruz, Walter Oswaldo"]
[Result "1/2-1/2"]
[ECO "D24"]
[PlyCount "72"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c5 5. e4 cxd4 6. Qxd4 Qxd4 7. Nxd4 a6 8. Bxc4 e6 9. 0-0 Bd7 10. e5 Ng4 11. Bf4 Nc6 12. Nf3 Be7 13. Rfe1 Rc8 14. Bf1 Bb4 15. h3 Nh6 16. Rad1 Nf5 17. Ng5 Rc7 18. Nge4 0-0 19. Bd3 Nce7 20. Nf6+ gxf6 21. exf6 Rcc8 22. Bxf5 Nxf5 23. Rxd7 Bxc3 24. bxc3 Rxc3 25. Rxb7 Rc2 26. Reb1 h5 27. Rb8 Rxb8 28. Rxb8+ Kh7 29. g4 hxg4 30. hxg4 Rc4 31. gxf5 Rxf4 32. fxe6 fxe6 33. Rb6 Ra4 34. Rxe6 Rxa2 35. Re7+ Kg6 36. f7 Kg7 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "5"]
[White "Bauza, Lorenzo"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "63"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. 0-0 e5 7. d3 Be7 8. Nc3 Nc7 9. b3 0-0 10. Bb2 Qd7 11. Ne4 f6 12. Nfd2 b6 13. Nc4 Bb7 14. Qd2 Ne6 15. Bh3 f5 16. Nc3 Ng5 17. Bg2 f4 18. Ne4 f3 19. Nxg5 fxg2 20. Kxg2 Bxg5 21. Qxg5 Rf5 22. Qd2 Raf8 23. f3 Rh5 24. Kg1 Rf6 25. Qe3 Nd4 26. Rac1 Qh3 27. Rf2 Rxf3 28. exf3 Bxf3 29. Bxd4 Qxg3+ 30. Kf1 Qh3+ 31. Ke1 cxd4 32. Qxf3 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "10"]
[White "Cruz, Walter Oswaldo"]
[Black "Benko, Francisco"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "81"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 Be7 5. e3 Nbd7 6. Be2 b6 7. cxd5 exd5 8. Nd4 Nb8 9. Qc2 Bd7 10. Nf5 Bxf5 11. Qxf5 Qd7 12. Qc2 0-0 13. 0-0 c6 14. f4 a5 15. Nc3 Na6 16. Rac1 Rfc8 17. Nd1 Nc5 18. Nf2 Qe8 19. Nd3 Nce4 20. Ne5 c5 21. a4 Nd6 22. Ng4 Nxg4 23. Bxg4 Rd8 24. Bf3 Ne4 25. d3 Nf6 26. Rce1 Rac8 27. e4 d4 28. Bc1 Qd7 29. f5 c4 30. bxc4 Bb4 31. Re2 Ne8 32. e5 Nc7 33. e6 fxe6 34. fxe6 Qe7 35. Bb7 Rb8 36. Be4 Bd6 37. Qd2 Rf8 38. Rxf8+ Rxf8 39. Qg5 Kh8 40. Qh5 g6 41. Bxg6 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "8"]
[White "Cruz, Walter Oswaldo"]
[Black "Eliskases, Erich Gottlieb"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "65"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d6 3. d4 Nbd7 4. g3 e5 5. dxe5 dxe5 6. Bg2 g6 7. 0-0 Bg7 8. Nc3 0-0 9. h3 c6 10. Be3 Qe7 11. Qb3 Nh5 12. Rad1 f5 13. Bg5 Qf7 14. e4 h6 15. Bc1 Nb6 16. c5 Qxb3 17. axb3 Nd7 18. b4 Re8 19. Nh4 Nf8 20. b5 f4 21. g4 Bf6 22. Nf3 Ng7 23. b4 Be6 24. Rfe1 a5 25. bxc6 bxc6 26. b5 cxb5 27. Nxb5 Rec8 28. Ba3 Nd7 29. Rc1 Rab8 30. Bf1 Rc6 31. Na7 Rc7 32. Nb5 Rc6 33. Na7 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "4"]
[White "Cruz, Walter Oswaldo"]
[Black "Estrada Degrandi, Walter"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "186"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 0-0 6. g3 Nbd7 7. Bg2 e5 8. dxe5 Ng4 9. 0-0 Ngxe5 10. Nc3 Nc5 11. Nxe5 Bxe5 12. Qd2 a5 13. Rfd1 a4 14. Nxa4 Bxb2 15. Nxb2 Bf5 16. f3 Qf6 17. e4 Be6 18. Qc2 Ra3 19. Nd3 Nxb3 20. e5 Nxa1 21. Qc1 dxe5 22. Qxa3 Nc2 23. Qc1 Nd4 24. Qe3 Nc6 25. Nc5 Rd8 26. Re1 Bc8 27. f4 exf4 28. Qxf4 Qxf4 29. gxf4 Na5 30. Re7 c6 31. Bf1 Kg7 32. Rc7 Bf5 33. Nxb7 Nxb7 34. Rxb7 Rd1 35. Rb3 Ra1 36. a3 Rc1 37. Kf2 Be6 38. Rb4 c5 39. Ra4 Kf6 40. Bd3 Rd1 41. Ke3 Re1+ 42. Kf3 Rd1 43. Be2 Rc1 44. Bd3 Rc3 45. Ke2 Rb3 46. h4 Rb2+ 47. Ke3 Rh2 48. Ra5 Rxh4 49. Rxc5 Rh3+ 50. Kd4 h5 51. a4 Rh1 52. a5 Ra1 53. Rb5 h4 54. Be4 h3 55. Rb2 Rxa5 56. c5 Ra4+ 57. Ke3 Rc4 58. c6 Bg4 59. Kd3 Rc1 60. Kd2 Rc5 61. Ke3 Be6 62. Kd4 Rc4+ 63. Kd3 Rc1 64. Kd4 Ke7 65. Rb8 f5 66. Bf3 Rf1 67. Ke5 Rxf3 68. Rb7+ Kd8 69. Kxe6 Rxf4 70. Rh7 Rf3 71. Kd6 Rd3+ 72. Kc5 Rc3+ 73. Kd6 Rd3+ 74. Ke5 Kc8 75. Rh6 Rd1 76. Rxh3 Kc7 77. Rg3 Rd6 78. Ra3 Rxc6 79. Rd3 Rc4 80. Rg3 Re4+ 81. Kd5 Rg4 82. Rxg4 fxg4 83. Ke4 g5 84. Ke3 Kd6 85. Kf2 Ke5 86. Kg3 Kf5 87. Kf2 Kf4 88. Kg2 g3 89. Kh3 g2 90. Kxg2 Kg4 91. Kh2 Kf3 92. Kh1 Kg3 93. Kg1 g4 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "14"]
[White "Cruz, Walter Oswaldo"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "D45"]
[PlyCount "100"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Nbd7 5. e3 Bd6 6. Nc3 c6 7. Qc2 0-0 8. Be2 a6 9. d4 b5 10. c5 Bc7 11. b4 a5 12. a3 e5 13. Nxe5 Nxe5 14. dxe5 Bxe5 15. 0-0 Re8 16. Bf3 Ng4 17. g3 Qg5 18. Ne2 Bf5 19. Qd2 Be4 20. Bxg4 Qxg4 21. Nd4 Bxd4 22. Qxd4 f6 23. f3 Bxf3 24. Qxg4 Bxg4 25. Kf2 Bh3 26. Rfd1 h5 27. Bc3 Bg4 28. Rdc1 a4 29. Bd4 Re4 30. Ra2 Kf7 31. Rd2 h4 32. Kg2 Rh8 33. Rg1 Rh5 34. Rf2 hxg3 35. hxg3 Bh3+ 36. Kf3 f5 37. Ke2 g5 38. Kd2 Bg4 39. Ke1 Rh3 40. Kd2 Re6 41. Ke1 Reh6 42. Rgg2 Rh1+ 43. Kd2 Ke6 44. Kc2 Bd1+ 45. Kd2 g4 46. Kd3 Bf3 47. Rxf3 gxf3 48. Rf2 R6h2 49. Rxf3 Rd1+ 50. Kc3 Rdd2 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "6"]
[White "Cruz, Walter Oswaldo"]
[Black "Maderna, Carlos Hugo"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "195"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. b3 g6 4. Bb2 Bg7 5. e3 d5 6. Be2 0-0 7. 0-0 c5 8. cxd5 Qxd5 9. Nc3 Qd8 10. d4 cxd4 11. Nxd4 a6 12. Qc2 e5 13. Nf3 Nc6 14. Rad1 Qe7 15. Qc1 Rd8 16. Rxd8+ Qxd8 17. Rd1 Qe8 18. Ng5 h6 19. Nge4 Nxe4 20. Nxe4 Be6 21. Nd6 Qe7 22. Bf3 Rd8 23. Bxc6 bxc6 24. Qxc6 Qg5 25. Rd2 a5 26. Ne4 Qe7 27. Rxd8+ Qxd8 28. Qd6 Qh4 29. Nd2 Qh5 30. Nf3 Qf5 31. Qd1 Qe4 32. Ne1 a4 33. bxa4 Bxa2 34. a5 Bc4 35. Bc3 Qc6 36. Qa1 Qb5 37. Nf3 f6 38. Nd2 Bd3 39. Qa2+ Kh8 40. h4 h5 41. Qe6 Qc5 42. Qb3 Qc6 43. Kh2 Ba6 44. Qb8+ Kh7 45. Bb4 Bb7 46. Nf3 Qa6 47. Kg1 Qc6 48. Kh2 Qa6 49. Qc7 Kh8 50. Nd2 Qa8 51. f3 f5 52. Bd6 e4 53. Be5 Bxe5+ 54. Qxe5+ Kh7 55. f4 Qd8 56. Nf1 Qxh4+ 57. Kg1 Qd8 58. Qe6 Qa8 59. Qb6 Qc8 60. Kh2 Ba6 61. Nd2 Bd3 62. Nb3 Qc4 63. Nd4 Bf1 64. Qb7+ Kg8 65. Qd7 Qa2 66. Qe6+ Qxe6 67. Nxe6 Kf7 68. Nc5 Ke7 69. a6 Bb5 70. a7 Bc6 71. Kg3 Kd6 72. Nb3 Kd5 73. Nd4 Ba8 74. Kf2 h4 75. Ke2 Bb7 76. Kd2 Ba8 77. Kc3 Bb7 78. Kb4 Ba8 79. Kb5 Kd6 80. Kb6 Ke7 81. Ne2 Kf6 82. Kc5 g5 83. fxg5+ Kxg5 84. Kd6 Kg4 85. Ke5 Bb7 86. Kd4 Ba8 87. Kc4 Bb7 88. Kd4 Ba8 89. Ke5 Bb7 90. Ke6 Ba8 91. Kd6 Bb7 92. Ke5 Ba8 93. Nd4 f4 94. exf4 e3 95. Nc2 e2 96. Ne1 Kg3 97. f5 Kf2 98. Nc2 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "16"]
[White "Cruz, Walter Oswaldo"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "57"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. d4 Bd7 7. Bg2 Qc8 8. 0-0 Bh3 9. Nbd2 Bxg2 10. Kxg2 a5 11. a3 c5 12. Qc2 cxd4 13. Nxd4 Nc6 14. N4f3 Re8 15. Rab1 Qg4 16. h3 Qh5 17. Ne4 Nxe4 18. Qxe4 Bxb2 19. Rxb2 Qc5 20. b4 axb4 21. axb4 Nxb4 22. Rfb1 Ra4 23. Qxb7 Nc6 24. Nd2 Nd4 25. e3 Qc6+ 26. Qxc6 Nxc6 27. c5 dxc5 28. Rc2 Ra5 29. Nb3 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "2"]
[White "Cruz, Walter Oswaldo"]
[Black "Shocron, Ruben"]
[Result "0-1"]
[ECO "A11"]
[PlyCount "46"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nd7 4. b3 Ngf6 5. Bb2 Bd6 6. Nc3 c6 7. Be2 0-0 8. 0-0 e5 9. cxd5 Nxd5 10. Ne4 Bc7 11. Ba3 Re8 12. Qc2 N7f6 13. Ng3 Ng4 14. Rad1 h5 15. Nxh5 e4 16. Qb2 Re5 17. Ng3 exf3 18. Bxf3 Qh4 19. Bxg4 Bxg4 20. Qd4 Rh5 21. h3 Bxd1 22. Qxh4 Rxh4 23. Rxd1 Bxg3 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "12"]
[White "Cruz, Walter Oswaldo"]
[Black "Souza Mendes, Joao"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "73"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 Be7 4. Bb2 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 c5 8. Nc3 Qc8 9. Rc1 Nc6 10. d4 cxd4 11. Nxd4 Nxd4 12. Qxd4 Bxg2 13. Kxg2 Qb7+ 14. Kg1 d5 15. cxd5 exd5 16. Rfd1 Rad8 17. e3 Rfe8 18. Ne2 Qa6 19. Qd3 Qxa2 20. Rc2 Qa5 21. Nd4 Rc8 22. Nc6 Rxc6 23. Rxc6 b5 24. Bc3 b4 25. Ra1 Qd8 26. Bxf6 Bxf6 27. Rxa7 g6 28. Rcc7 Re7 29. Rxe7 Bxe7 30. Qb5 Bf8 31. Rd7 Qf6 32. Qxd5 h5 33. h4 Kg7 34. Kg2 Kg8 35. Rd8 Qe7 36. Qa8 Kg7 37. Rxf8 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "7"]
[White "Dodero, Emilio"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D25"]
[PlyCount "63"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. 0-0 0-0 7. Nc3 Nfd7 8. Qe2 Nb6 9. Bb3 a5 10. a4 Nc6 11. Rd1 Bg4 12. h3 Bxf3 13. Qxf3 e5 14. d5 Ne7 15. e4 Nbc8 16. Qe2 Nd6 17. Be3 f5 18. f3 Kh8 19. Rac1 Ng8 20. Nb5 Rf7 21. Nxd6 cxd6 22. Rc4 Bf6 23. Qd2 h6 24. Rdc1 Bg5 25. Bxg5 hxg5 26. R1c3 g4 27. exf5 gxf5 28. fxg4 Qb6+ 29. Qe3 Qxe3+ 30. Rxe3 Nf6 31. gxf5 Nxd5 32. Rh4+ 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "15"]
[White "Jauregui Andrade, Carlos"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D25"]
[PlyCount "75"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. 0-0 0-0 7. Nc3 Nfd7 8. Qe2 Nb6 9. Bb3 a5 10. a4 Nc6 11. Rd1 Bg4 12. h3 Bxf3 13. Qxf3 e5 14. d5 Ne7 15. Ne4 Nbc8 16. Bd2 Nd6 17. Rac1 Nef5 18. g3 b6 19. Rc6 Ne7 20. Rc2 Nec8 21. Rdc1 Ra7 22. h4 Nxe4 23. Qxe4 Nd6 24. Qf3 f5 25. Kg2 Kh8 26. h5 g5 27. h6 Bxh6 28. Qh5 Bg7 29. Rh1 h6 30. Bc3 Nf7 31. f4 exf4 32. Qg6 Bxc3 33. Rxh6+ Nxh6 34. Qxh6+ Kg8 35. d6+ Rf7 36. Qg6+ Kh8 37. Bxf7 Qxd6 38. Qg8# 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "9"]
[White "Rossetto, Hector"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "A19"]
[PlyCount "103"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 e6 5. e4 d5 6. d3 dxc4 7. dxc4 Qxd1+ 8. Kxd1 Bd7 9. h3 0-0-0 10. Be3 Be7 11. Nge2 h6 12. Kc2 g5 13. Rad1 Ne5 14. b3 Bc6 15. f4 gxf4 16. gxf4 Ng6 17. Rxd8+ Rxd8 18. Rg1 Nh4 19. Bh1 Rg8 20. Ng3 Ne8 21. Nf5 Nxf5 22. Rxg8 Nxe3+ 23. Kd3 Nf1 24. Ke2 Nh2 25. Kf2 Kd7 26. Kg1 f5 27. Kxh2 Nf6 28. Rg6 fxe4 29. Rxh6 Ke8 30. Rg6 Kf7 31. Rg1 Bd6 32. Ne2 Nh5 33. Rf1 Kf6 34. h4 a6 35. Kh3 b5 36. Kg4 Ng7 37. Ng3 Nf5 38. Re1 Nxg3 39. Kxg3 Kf5 40. Rf1 b4 41. Bg2 a5 42. Bh3+ Kf6 43. h5 Bf8 44. Rd1 Ke7 45. Bg2 Kf6 46. Kg4 Bh6 47. Re1 Bd7 48. Bxe4 e5+ 49. f5 Ke7 50. Rd1 Be3 51. Rd5 Bd4 52. Rxd7+ 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "3"]
[White "Salomon, J."]
[Black "Cruz, Walter Oswaldo"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "83"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[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 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Bg5 Nbd7 9. 0-0 b5 10. Nd5 Nxd5 11. Qxd5 Rb8 12. Bxe7 Qxe7 13. f3 Nb6 14. Qc6+ Bd7 15. Qc7 0-0 16. Rfd1 Rfc8 17. Qxd6 Qxd6 18. Rxd6 Rxc2 19. Bd3 Rc7 20. Rd1 Kf8 21. Rd2 Ke7 22. Be2 Be6 23. Na5 Bd7 24. b3 Be8 25. Kf2 Ra7 26. g3 Kf8 27. f4 exf4 28. gxf4 Rd7 29. Bg4 Rxd6 30. Rxd6 f6 31. e5 fxe5 32. fxe5 Ke7 33. Ke3 b4 34. Ke4 Bb5 35. Nc6+ Bxc6+ 36. Rxc6 Rb7 37. h3 a5 38. Re6+ Kf7 39. Rc6 a4 40. bxa4 Nxa4 41. Be6+ Ke7 42. Bb3 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "11"]
[White "Sanguineti, Jorge"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "D24"]
[PlyCount "70"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c5 5. e4 cxd4 6. Qxd4 Qxd4 7. Nxd4 a6 8. Bxc4 e6 9. f3 b5 10. Be2 Bb7 11. Be3 Bc5 12. Rc1 Nbd7 13. a4 b4 14. Nd1 0-0 15. Nb3 Bxe3 16. Nxe3 Rfc8 17. Nc4 Nc5 18. Nxc5 Rxc5 19. Kf2 Rac8 20. Rcd1 Kf8 21. b3 a5 22. Rd6 Bxe4 23. fxe4 Rxc4 24. Ra6 Rxe4 25. Bc4 Re5 26. Rd1 Rec5 27. Kg1 R8c6 28. Rd8+ Ke7 29. Raa8 Rc7 30. h3 Ne4 31. Re8+ Kf6 32. Rad8 Nc3 33. Rd3 Nxa4 34. Rf3+ Rf5 35. Rxf5+ exf5 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata/ Buenos Aires"]
[Date "1954.04.??"]
[Round "13"]
[White "Schroeder, Raymond"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D25"]
[PlyCount "71"]
[EventDate "1954.04.03"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. 0-0 0-0 7. Qe2 Nfd7 8. Rd1 Nb6 9. Bb3 a5 10. a4 Nc6 11. Nc3 Bg4 12. h3 Bxf3 13. Qxf3 e5 14. dxe5 Qe7 15. e6 fxe6 16. Qe4 Rae8 17. Bd2 Nd7 18. Qc4 Nc5 19. Bc2 Nb4 20. Rac1 Rd8 21. Be1 c6 22. Bb1 Rxd1 23. Rxd1 Nd5 24. Ne4 Nxe4 25. Bxe4 Bxb2 26. Bxa5 Qf6 27. Be1 Rf7 28. Bf3 Rd7 29. a5 Rd8 30. a6 bxa6 31. Qxc6 Rf8 32. Qxa6 Ne7 33. Rd6 Nf5 34. Rxe6 Qd8 35. Qa2 Nh4 36. Rxg6+ 1-0

[Event "BRA-ch21"]
[Site "Rio de Janeiro"]
[Date "1953.09.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Berenzon, Mauricio"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "55"]
[EventDate "1953.09.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2 Nxe2 8. Nxe2 b6 9. d4 d6 10. c4 Bb7 11. 0-0 Ne7 12. Qd2 Qc7 13. Nc3 a6 14. Rad1 Nc6 15. d5 Nd4 16. f4 e5 17. f5 f6 18. h4 gxf5 19. exf5 0-0-0 20. Ne4 Kb8 21. b4 h5 22. Rb1 Ka8 23. Rb2 Rd7 24. bxc5 bxc5 25. Rfb1 Qb8 26. Bxd4 exd4 27. Nxc5 dxc5 28. Rxb7 1-0

[Event "BRA-ch21"]
[Site "Rio de Janeiro"]
[Date "1953.09.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Kruel, Fernando"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "69"]
[EventDate "1953.09.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Be6 7. Qe2 Qd7 8. 0-0 Be7 9. Bb3 Bxb3 10. axb3 0-0 11. d4 Bd6 12. Qd3 Na6 13. Bd2 Rfe8 14. Rfe1 Re6 15. c4 Rae8 16. Qc2 Bb8 17. Bc3 Qd6 18. g3 Nb4 19. Qd2 Na6 20. Nh4 g6 21. Ng2 Qd8 22. Ne3 Nc7 23. Rad1 Kg7 24. b4 h5 25. b5 cxb5 26. d5 Ra6 27. c5 Qd7 28. b4 Rd8 29. h4 Ne8 30. Qb2 Qh3 31. d6 Rd7 32. Nd5 Kf8 33. Bxf6 b6 34. Rxe8+ Kxe8 35. Be7 1-0

[Event "BRA-ch21"]
[Site "Rio de Janeiro"]
[Date "1953.09.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Souza Mendes, Joao"]
[Result "1-0"]
[ECO "D68"]
[PlyCount "63"]
[EventDate "1953.09.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. Qb1 exd4 14. exd4 Nb6 15. Re1 Qf6 16. Bb3 Be6 17. Bxe6 fxe6 18. Qe4 Rae8 19. Ra3 Nc8 20. Qe2 Qd8 21. Re3 Rf6 22. Ng5 Nd6 23. Nxe6 Qa5 24. a3 Nf5 25. Re4 Qb6 26. Nxg7 Nxg7 27. Rxe8+ Nxe8 28. Qxe8+ Rf8 29. Qe6+ Rf7 30. Qg4+ Kf8 31. b4 a5 32. Qh4 1-0

[Event "BRA-ch21"]
[Site "Rio de Janeiro"]
[Date "1953.09.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Vasconcellos, Fernando"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "80"]
[EventDate "1953.09.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 c6 5. e3 0-0 6. Be2 d5 7. 0-0 Bg4 8. h3 Bxf3 9. Bxf3 Nbd7 10. d4 Ne4 11. Nc3 Nxc3 12. Bxc3 e6 13. e4 Nb6 14. exd5 exd5 15. c5 Nd7 16. Qd3 f5 17. b4 a6 18. a4 Nf6 19. b5 axb5 20. axb5 Qd7 21. Rfb1 Ne4 22. bxc6 bxc6 23. Rxa8 Rxa8 24. Be1 Qc7 25. Bd1 Ng5 26. f3 Ne6 27. Bf2 Rb8 28. Rxb8+ Qxb8 29. Ba4 Qa8 30. Qd1 Kf7 31. h4 h5 32. Bc2 Qa6 33. g4 Qc4 34. gxf5 gxf5 35. Bxf5 Nxd4 36. Bd3 Qb3 37. Qxb3 Nxb3 38. Bf5 Nd4 39. Bxd4 Bxd4+ 40. Kf1 Bxc5 1/2-1/2

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.14"]
[Round "11"]
[White "Kasznar, Carlos"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "D24"]
[PlyCount "120"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. Nc3 c5 5. dxc5 Qxd1+ 6. Nxd1 Nc6 7. Bd2 Ne4 8. Rc1 e5 9. Rxc4 f5 10. a3 Be6 11. Rc1 Nxc5 12. e3 Nb3 13. Rc2 Nxd2 14. Nxd2 Be7 15. Bc4 Kf7 16. Ke2 Rac8 17. f3 Rhd8 18. Nf2 Bxc4+ 19. Rxc4 b5 20. Rcc1 a5 21. Nd3 Kf6 22. Rhd1 a4 23. Rc3 b4 24. axb4 Nxb4 25. Nxb4 Bxb4 26. Rxc8 Rxc8 27. Kd3 Rd8+ 28. Ke2 Bxd2 29. Rxd2 Rb8 30. Rc2 g5 31. g4 fxg4 32. fxg4 Rb4 33. h3 Ke6 34. Rd2 h5 35. Kf3 h4 36. Ke2 e4 37. Kd1 Rb3 38. Ke2 Ke5 39. Kf2 Rb6 40. Ke1 Rf6 41. Rf2 Rf3 42. Rxf3 exf3 43. Kf1 Ke4 44. Kf2 Kd3 45. Kxf3 Kc2 46. Ke4 Kxb2 47. Kf5 a3 48. Kxg5 a2 49. Kxh4 a1Q 50. g5 Kc3 51. Kh5 Kd3 52. h4 Ke4 53. Kg6 Qa6+ 54. Kh7 Qb7+ 55. Kh6 Kf5 56. h5 Qe7 57. e4+ Qxe4 58. g6 Kf6 59. g7 Kf7 60. Kg5 Kxg7 0-1

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.12"]
[Round "10"]
[White "Cruz, Walter Oswaldo"]
[Black "Engels, Ludwig"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "114"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 c5 7. d5 e6 8. 0-0 exd5 9. Nxd5 Nxd5 10. exd5 Nd7 11. c4 Re8 12. Qc2 b5 13. cxb5 Nb6 14. Rd1 Bg4 15. Bd2 c4 16. Bxc4 Rc8 17. Ba5 Rxc4 18. Qxc4 Nxc4 19. Bxd8 Rxd8 20. Rac1 Nxb2 21. Rd2 Bxf3 22. gxf3 Na4 23. Rc7 Bc3 24. Rc2 Bd4+ 25. Kf1 Bc5 26. Re7 Kf8 27. Re4 Nb6 28. Rd2 f5 29. Re6 Kf7 30. Ree2 Rb8 31. Rd3 Nd7 32. a4 Nf6 33. Rc2 Ke7 34. Rc4 Kd7 35. Rc2 Nh5 36. Rc4 Re8 37. Rb3 Nf6 38. Rd3 Kc7 39. Rc2 Nh5 40. Rc4 Kb6 41. Rb3 Nf6 42. Rd3 Ka5 43. h4 Nd7 44. Rc2 Nb6 45. h5 gxh5 46. Rh2 Re7 47. Rxh5 Rf7 48. Rh2 Nxa4 49. Rb3 Bb4 50. Re3 Kxb5 51. Re8 Nb6 52. Rh8 a5 53. Ke2 a4 54. Kd3 a3 55. Rb8 Ra7 56. Ra2 Bc5 57. Kc3 Ra4 0-1

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.11"]
[Round "9"]
[White "Medina Garcia, Antonio Angel"]
[Black "Cruz, Walter Oswaldo"]
[Result "1/2-1/2"]
[ECO "D23"]
[PlyCount "111"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Nbd7 5. Nc3 e6 6. e4 c5 7. Bg5 cxd4 8. Nxd4 Bc5 9. Qxc4 Qb6 10. 0-0-0 Ne5 11. Qa4+ Bd7 12. Bb5 0-0-0 13. Bf4 Bxd4 14. Qxd4 Qxd4 15. Rxd4 Bxb5 16. Bxe5 Rxd4 17. Bxd4 Bc6 18. Re1 b6 19. g3 Rg8 20. Bxf6 gxf6 21. Re3 Kd7 22. Rf3 f5 23. Rd3+ Ke7 24. exf5 exf5 25. Ne2 Rc8 26. Kd2 Be4 27. Rc3 Rxc3 28. Nxc3 Bc6 29. Ke3 Ke6 30. Kf4 Kf6 31. Ne2 Bd7 32. Nd4 h6 33. h3 a6 34. a3 Bc8 35. Nc6 Bb7 36. Ne5 Bd5 37. Nd7+ Ke6 38. Nxb6 Bb3 39. Ke3 f4+ 40. Kd4 fxg3 41. fxg3 f5 42. Nc4 Kf6 43. Nd2 Be6 44. b4 h5 45. Ke3 f4+ 46. Kxf4 Bxh3 47. Ne4+ Kg6 48. a4 Bd7 49. Nc3 Kf6 50. Ne4+ Kg6 51. Nc3 Kf6 52. b5 axb5 53. axb5 Ke6 54. Kg5 Be8 55. Ne4 Bxb5 56. Kxh5 1/2-1/2

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.10"]
[Round "8"]
[White "Cruz, Walter Oswaldo"]
[Black "Rosa e Silva Neto, Francisco de Assis"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "71"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 c6 7. 0-0 Nbd7 8. e5 Nd5 9. Ne4 N7b6 10. c4 Nc7 11. Nf2 f6 12. Be3 Be6 13. Qc2 Qd7 14. Rad1 Rad8 15. a4 Qc8 16. Bd3 fxe5 17. fxe5 Bf5 18. Bg5 Bxd3 19. Nxd3 Ne6 20. Bxe7 Rxf3 21. gxf3 Nxd4 22. Qf2 Rd7 23. Qxd4 dxe5 24. Qh4 Rd4 25. Qg3 Nxc4 26. Rfe1 Qf5 27. b3 Nb6 28. Re4 Rxe4 29. fxe4 Qxe4 30. Nf2 Qf5 31. Qg2 Nd5 32. Rxd5 cxd5 33. Qxd5+ Qf7 34. Qd8+ Bf8 35. Bd6 h6 36. Ne4 1-0

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.08"]
[Round "7"]
[White "Madeira de Ley, Manuel"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "60"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Bc4 Nbd7 6. d4 e6 7. d5 exd5 8. exd5 Be7 9. a4 0-0 10. Na3 Nb6 11. Qd3 g6 12. Be3 Bf5 13. Qd2 Be4 14. h4 Nxc4 15. Nxc4 Bxd5 16. b3 Rfe8 17. Kf1 Qc6 18. Rh3 Be6 19. Rh1 Ne4 20. Qc1 Bf6 21. h5 Bg4 22. hxg6 fxg6 23. Ra2 Nxc3 24. Rc2 Bxf3 25. gxf3 Qxf3 26. Rh2 Ne4 27. Kg1 Re7 28. Nd2 Nxd2 29. Rxd2 Re4 30. Qc4+ Rxc4 0-1

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.07"]
[Round "6"]
[White "Cruz, Walter Oswaldo"]
[Black "Cruz Filho, Oswaldo"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "65"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. c3 Be7 12. Qf3 Qc7 13. Bb3 0-0 14. Re1 Bd7 15. Bf4 Qb6 16. Nf5 Bc5 17. Nxg7 Bc6 18. Qg3 Ne4 19. Rxe4 Bxf2+ 20. Qxf2 Qxf2+ 21. Kxf2 Bxe4 22. Nh5 Bg6 23. Nf6+ Kg7 24. Nd7 Rfd8 25. Nb6 Ra7 26. Rd1 Rxd1 27. Bxd1 a5 28. a4 Bd3 29. Kf3 Bf1 30. Bc2 f6 31. Bc7 e5 32. Be4 Kh6 33. Kf2 1-0

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.05"]
[Round "5"]
[White "Gadia, Olicio"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "90"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Nbd2 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 c5 7. dxc5 Na6 8. Nb3 Ne4 9. c3 Naxc5 10. Ng5 e6 11. h4 f5 12. Nxc5 Nxc5 13. Be3 Qe7 14. Bd4 Ne4 15. Bxg7 Qxg7 16. Nh3 Bd7 17. Qd4 Rfc8 18. e3 Nd6 19. Rfd1 Rc4 20. Qxg7+ Kxg7 21. Bf1 Rc7 22. Nf4 h6 23. Rac1 g5 24. hxg5 hxg5 25. Nd3 Bb5 26. Ne5 Kf6 27. Bxb5 Kxe5 28. Bf1 g4 29. Bg2 Rc6 30. Rd4 Rac8 31. Rcd1 Rb6 32. Rb1 Rxc3 33. b3 Rc2 34. a4 Nc4 35. b4 Nd2 36. Rd1 Nb3 37. a5 Rbc6 38. R4d3 Rb2 39. f4+ Kf6 40. b5 Rcc2 41. Bxd5 exd5 42. Rxd5 Rg2+ 43. Kh1 Rh2+ 44. Kg1 Rbg2+ 45. Kf1 Nd2+ 0-1

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.04"]
[Round "4"]
[White "Cruz, Walter Oswaldo"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "C67"]
[PlyCount "149"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 dxc6 8. dxe5 Nf5 9. Rd1 Bd7 10. e6 fxe6 11. Ne5 Bd6 12. Qh5+ g6 13. Nxg6 Ng7 14. Qh4 Qxh4 15. Nxh4 c5 16. Nd2 Bc6 17. Re1 0-0-0 18. Ndf3 Rhg8 19. Bg5 Rdf8 20. Ne5 Bxe5 21. Rxe5 Nf5 22. Nxf5 Rxf5 23. Rxf5 exf5 24. h4 h6 25. Bxh6 Rxg2+ 26. Kf1 Rh2 27. Ke2 Rxh4 28. Be3 Re4 29. f4 Re7 30. Rg1 b6 31. Rg5 Be4 32. c3 Rh7 33. Rg1 Kd7 34. Rg6 a5 35. a3 a4 36. Bf2 Kc8 37. Rg8+ Kb7 38. Rg6 Ka6 39. c4 Rh2 40. Rg3 Kb7 41. Rc3 Kc8 42. Rc1 Bd3+ 43. Kf3 Rh7 44. Rc3 Rd7 45. Be3 Kd8 46. Kf2 Ke8 47. Kf3 Kf7 48. Rc1 Be4+ 49. Ke2 Rd3 50. Rc3 Rxc3 51. bxc3 Kg6 52. Bf2 Kh5 53. Ke3 Kg4 54. Be1 Bb1 55. Bf2 Ba2 56. Be1 Bxc4 57. Bd2 Bd5 58. Be1 b5 59. Bd2 Be4 60. Be1 c6 61. Bd2 Kh5 62. Ke2 Kg6 63. Be3 b4 64. cxb4 cxb4 65. axb4 a3 66. Kd2 Kh5 67. Bd4 a2 68. Be5 Kg4 69. Ke3 Kg3 70. Bc3 Kg2 71. Be5 Kf1 72. Kd2 Kf2 73. Kc1 Ke3 74. Kb2 Bd5 75. Bb8 1/2-1/2

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.02"]
[Round "3"]
[White "Gligoric, Svetozar"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D25"]
[PlyCount "99"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. 0-0 0-0 7. Nc3 Nfd7 8. Qe2 Nb6 9. Bb3 a5 10. a4 Nc6 11. Rd1 Bg4 12. h3 Bxf3 13. Qxf3 e5 14. d5 Nb4 15. e4 Nc8 16. Be3 Nd6 17. Rac1 f5 18. exf5 gxf5 19. Nb5 Rc8 20. Qh5 Kh8 21. Bh6 Qd7 22. Bxg7+ Kxg7 23. Rc3 Ne4 24. Re3 Rf6 25. Qe2 Kh8 26. f3 Nc5 27. Rxe5 Nxb3 28. Re7 Qd8 29. Qe5 Qf8 30. Nxc7 Nc5 31. Ne8 Nd7 32. Nxf6 Qxf6 33. Re8+ Rxe8 34. Qxe8+ Nf8 35. d6 Nc6 36. d7 Nd8 37. Re1 Kg8 38. Re7 Qd4+ 39. Kh1 Qxb2 40. Qxd8 Qc1+ 41. Kh2 Qf4+ 42. Kg1 Qd4+ 43. Kf1 Qd1+ 44. Re1 Qd3+ 45. Kg1 Qd4+ 46. Kh1 Qxd7 47. Qxa5 Ng6 48. Qb5 Qd2 49. Rb1 Qf2 50. Qxf5 1-0

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.05.01"]
[Round "2"]
[White "Cruz, Walter Oswaldo"]
[Black "Tavares da Silva, Luiz"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "81"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 Be7 7. Nge2 Nc6 8. 0-0 0-0 9. d4 cxd4 10. Nb5 Bg4 11. f3 Bf5 12. Nbxd4 Bc5 13. Be3 Bd7 14. Qd2 Re8 15. c3 Qe7 16. Bf2 Ne5 17. b3 Qd6 18. Rfe1 a5 19. a4 Rac8 20. Nf4 Qb6 21. g4 Ng6 22. g5 Nxf4 23. Qxf4 Nh5 24. Qh4 g6 25. f4 Qd6 26. f5 Bxd4 27. Qxd4 Bxf5 28. Bxd5 Qf4 29. Be3 Qxd4 30. Bxd4 Be6 31. Bxb7 Rb8 32. Bc6 Red8 33. Be5 Rbc8 34. Bb7 Rc5 35. b4 axb4 36. cxb4 Rc4 37. Rad1 Rxd1 38. Rxd1 f6 39. Bd6 fxg5 40. a5 Bc8 41. Bd5+ 1-0

[Event "Fluminense FC"]
[Site "Rio de Janeiro"]
[Date "1953.04.??"]
[Round "1"]
[White "Vasconcellos, Fernando"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "B93"]
[PlyCount "59"]
[EventDate "1953.04.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nc6 7. Be3 Ng4 8. Bg1 e5 9. Nxc6 bxc6 10. f5 Nf6 11. Bc4 g6 12. g4 gxf5 13. gxf5 Rb8 14. Bb3 Rg8 15. Qe2 Bh6 16. Qc4 Qc7 17. Rd1 Rg7 18. Qd3 Ke7 19. Bf2 Bb7 20. Bb6 Qxb6 21. Qxd6+ Ke8 22. Qxb8+ Ke7 23. Qxe5+ Kf8 24. Qd4 Qxd4 25. Rxd4 c5 26. Rc4 Nd7 27. Ba4 Nb6 28. Rxc5 Nxa4 29. Nxa4 Bxe4 30. f6 1-0

[Event "Olympiad-10 Final C"]
[Site "Helsinki"]
[Date "1952.08.27"]
[Round "7"]
[White "Mastichiadis, Fotis"]
[Black "Cruz, Walter Oswaldo"]
[Result "1/2-1/2"]
[ECO "E26"]
[PlyCount "101"]
[EventDate "1952.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 0-0 10. 0-0 d6 11. e4 Qc7 12. Bg5 Nd7 13. Qc2 h6 14. Be3 Ba6 15. Rac1 Na5 16. Qa2 d5 17. exd5 exd5 18. Nf4 dxc4 19. Bb1 Rfe8 20. Qc2 Nf8 21. g3 Bb7 22. Ng2 Nb3 23. Rcd1 cxd4 24. cxd4 b5 25. Ba2 Na5 26. Qc3 Rad8 27. Nh4 Bd5 28. Nf5 Qb6 29. Bb1 Nc6 30. Rfe1 Ne7 31. Nxe7+ Rxe7 32. Kf2 Rde8 33. Bf4 Rxe1 34. Rxe1 Rxe1 35. Kxe1 Qe6+ 36. Kf2 a6 37. Qe3 Qxe3+ 38. Kxe3 Ne6 39. Bd6 Ng5 40. f4 Ne6 41. Bf5 g6 42. Bxe6 fxe6 43. h4 h5 44. Be5 a5 45. Bd6 Kf7 46. Bc5 Kf6 47. Bb6 b4 48. Bxa5 bxa3 49. Bc3 Kf5 50. Bb4 a2 51. Bc3 1/2-1/2

[Event "Olympiad-10 Final C"]
[Site "Helsinki"]
[Date "1952.08.25"]
[Round "5"]
[White "Cruz, Walter Oswaldo"]
[Black "Barbier, Richard"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "73"]
[EventDate "1952.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "LUX"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 e6 5. e4 d6 6. Nf3 Be7 7. Bd3 Nc6 8. 0-0 Nd7 9. Qe2 0-0 10. e5 Re8 11. Bf4 Nf8 12. Rad1 f6 13. Rfe1 Qd7 14. Bc2 Nd8 15. Bg3 c6 16. Ba4 Ba6 17. exf6 Bxf6 18. d5 Re7 19. dxc6 Nxc6 20. Rxd6 Qc7 21. Rxc6 Qb7 22. Ne4 b5 23. Bxb5 Bxb5 24. cxb5 a6 25. Nd6 Qd7 26. Rxa6 Rxa6 27. bxa6 e5 28. Qc4+ Kh8 29. Qc8 Qxc8 30. Nxc8 Rc7 31. Nb6 Ra7 32. Rc1 Kg8 33. Rc8 Kf7 34. Ra8 Rc7 35. h4 Rc2 36. Rxf8+ Kxf8 37. a7 1-0

[Event "Olympiad-10 Final C"]
[Site "Helsinki"]
[Date "1952.08.24"]
[Round "4"]
[White "Cruz, Walter Oswaldo"]
[Black "Morel, Fernand"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "56"]
[EventDate "1952.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Ba3 0-0 8. Bc4 Nd7 9. Ne2 c5 10. dxc5 Ne5 11. Bd5 e6 12. Bb3 Qh4 13. Qc2 Rd8 14. 0-0 Ng4 15. h3 Be5 16. Rad1 Bd7 17. Nd4 Nh2 18. Rfe1 g5 19. Bc1 Kh8 20. f4 gxf4 21. Kxh2 f3+ 22. Kg1 Bxd4+ 23. cxd4 Rg8 24. g4 Qxh3 25. g5 Qg3+ 26. Kf1 e5 27. Re2 Bh3+ 28. Rg2 Bxg2+ 0-1

[Event "Olympiad-10 Final C"]
[Site "Helsinki"]
[Date "1952.08.22"]
[Round "2"]
[White "Weichselbaumer, Ernst"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "E33"]
[PlyCount "62"]
[EventDate "1952.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 0-0 8. g3 Re8 9. Bg2 e5 10. d5 Ne7 11. b3 Ne4 12. Qc2 f5 13. Nd2 Nf6 14. Bb2 Bd7 15. e4 Rf8 16. 0-0 b6 17. Rae1 fxe4 18. Nxe4 Bf5 19. Nxf6+ gxf6 20. Qd2 Qe8 21. f3 Qg6 22. Re3 Rae8 23. g4 Bd7 24. f4 Qg7 25. f5 Kf7 26. Rg3 h6 27. b4 Rb8 28. h4 Nxf5 29. Rgf3 Qxg4 30. Kh2 Rg8 31. Qe1 Qxg2# 0-1

[Event "Olympiad-10 Preliminaries B"]
[Site "Helsinki"]
[Date "1952.08.14"]
[Round "4"]
[White "Ramm, Wilhelm"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "106"]
[EventDate "1952.08.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2 11. Nxg2 c5 12. dxc5 bxc5 13. Rd1 Nc6 14. Be3 Qc7 15. Rac1 Rfd8 16. Nf4 Bf6 17. Qd2 d6 18. Nh5 Be7 19. Nf4 a5 20. Nh3 Rab8 21. Rf1 Bf6 22. b3 a4 23. Rb1 axb3 24. axb3 Ra8 25. Bg5 Qe7 26. Ra1 Nd4 27. Rxa8 Rxa8 28. Bxf6 Qxf6 29. Rd1 Rb8 30. Qa2 Qe5 31. Nf4 g5 32. Nh5 Qxe2 33. Qxe2 Nxe2+ 34. Kf1 Nd4 35. Nf6+ Kg7 36. Ne4 Rxb3 37. Nxd6 f5 38. Ra1 g4 39. Ra7+ Kg6 40. Rb7 Ra3 41. Rb1 Rc3 42. Kg2 Rc2 43. Rd1 e5 44. Rb1 e4 45. Rb6 Kg7 46. Rb7+ Kf6 47. Ne8+ Ke6 48. Ng7+ Kd6 49. Ne8+ Kc6 50. Re7 Nf3 51. Rxh7 Rc1 52. Rh6+ Kb7 53. Nd6+ Ka6 0-1

[Event "Olympiad-10 Preliminaries B"]
[Site "Helsinki"]
[Date "1952.08.11"]
[Round "2"]
[White "Cruz, Walter Oswaldo"]
[Black "Mueller, Klaus3333"]
[Result "0-1"]
[ECO "E39"]
[PlyCount "122"]
[EventDate "1952.08.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "German Dem Rep"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "DDR"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Na6 6. Nf3 Nxc5 7. a3 Bxc3+ 8. Qxc3 0-0 9. e3 b6 10. Be2 Bb7 11. 0-0 Rc8 12. b4 Nce4 13. Qd4 Qe7 14. Bb2 Rfd8 15. Rac1 Ba6 16. Nd2 e5 17. Qd3 d5 18. Nxe4 Nxe4 19. b5 Bb7 20. cxd5 Rxc1 21. Rxc1 Bxd5 22. Qc2 Nc5 23. Qf5 f6 24. Bc3 Be6 25. Qb1 Nb3 26. Rc2 Qxa3 27. Bb2 Qe7 28. Qe1 Qd6 29. Bc3 Qc5 30. h4 e4 31. g3 Rc8 32. Kh2 Bd7 33. Qb1 Qd5 34. Bb4 Rxc2 35. Qxc2 Be6 36. Qc6 Qxc6 37. bxc6 a5 38. c7 Bc8 39. Bc4+ Kh8 40. Bxb3 axb4 41. h5 h6 42. Bf7 g5 43. hxg6 Kg7 44. Kg2 b3 45. Bxb3 Kxg6 46. Kf1 Kf5 47. Ke1 Ke5 48. Kd2 Kd6 49. Bc2 f5 50. Kc3 Kxc7 51. Kb4 Ba6 52. Bd1 Kd6 53. Bh5 Ke5 54. Kc3 Bf1 55. Bd1 b5 56. Bh5 Kf6 57. Bd1 Kg5 58. Kb4 Bg2 59. Be2 Bf3 60. Bxb5 Kg4 61. Bf1 Bh1 0-1

[Event "Olympiad-10 Preliminaries B"]
[Site "Helsinki"]
[Date "1952.08.10"]
[Round "1"]
[White "Cruz, Walter Oswaldo"]
[Black "Lundin, Erik"]
[Result "0-1"]
[ECO "D21"]
[PlyCount "66"]
[EventDate "1952.08.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "SWE"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. a4 Nf6 5. e3 Bg4 6. Bxc4 e6 7. Qb3 Bxf3 8. gxf3 Nc6 9. Bd2 Rb8 10. Na3 Bd6 11. Bd3 0-0 12. Nc4 Nd5 13. Nxd6 cxd6 14. Bc3 Kh8 15. Ke2 b5 16. axb5 axb5 17. Be4 b4 18. Bd2 Nf4+ 19. Kf1 d5 20. Bc2 Ng6 21. Qd3 Qh4 22. Ke2 e5 23. dxe5 b3 24. Bb1 Ncxe5 25. Qf5 Rfe8 26. Bc3 Qc4+ 27. Kd2 Rbd8 28. Bd4 Nc6 29. Qd3 Nxd4 30. Qxd4 Ne5 31. Qxc4 Nxc4+ 32. Kc3 Rc8 33. Kxb3 Nd2+ 0-1

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.05.01"]
[Round "17"]
[White "Rossetto, Hector"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D95"]
[PlyCount "65"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. Qb3 c6 7. Be2 dxc4 8. Bxc4 Nbd7 9. 0-0 Nb6 10. Be2 Bf5 11. Rd1 a5 12. a4 Be6 13. Qc2 Nfd5 14. Nxd5 cxd5 15. b3 Bg4 16. Ba3 Re8 17. Rac1 Bd7 18. Ne5 Bxe5 19. dxe5 Bc6 20. e6 f6 21. h4 d4 22. Rxd4 Qc8 23. Qc5 Qc7 24. h5 Nc8 25. hxg6 h6 26. Rh4 Qe5 27. Rxh6 Qxc5 28. Rxc5 Nd6 29. Rch5 Kg7 30. Rh7+ Kxg6 31. Bxd6 exd6 32. Bd3+ f5 33. f4 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.30"]
[Round "16"]
[White "Cruz, Walter Oswaldo"]
[Black "Mangini, Jose Thiago"]
[Result "1/2-1/2"]
[ECO "C86"]
[PlyCount "90"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. Rd1 0-0 12. dxe5 dxe5 13. Bg5 Be6 14. Nbd2 Nc4 15. Nxc4 Bxc4 16. Qe1 h6 17. Bxf6 Bxf6 18. Bb3 Bxb3 19. axb3 Rfd8 20. Rxd8+ Qxd8 21. Qe2 Qb6 22. g3 Qe6 23. Qc2 Rd8 24. Rd1 Rd6 25. Kg2 Qd7 26. Rxd6 Qxd6 27. h4 g5 28. hxg5 Bxg5 29. Ne1 Qc6 30. Nf3 Qd6 31. c4 b4 32. Kf1 Kg7 33. Ke2 Kf6 34. Qd3 Qxd3+ 35. Kxd3 Ke6 36. g4 Kd6 37. Ne1 Ke6 38. Ke2 Be7 39. Nd3 Bd6 40. Kf3 Kf6 41. Kg3 Kg6 42. Ne1 Be7 43. Nf3 Bf6 44. Ne1 Be7 45. Nd3 Bd6 1/2-1/2

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.29"]
[Round "15"]
[White "Bolbochan, Julio"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D77"]
[PlyCount "51"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c4 c5 7. dxc5 dxc4 8. Nc3 Qxd1 9. Rxd1 Nc6 10. h3 h6 11. Be3 Be6 12. Nd4 Bd7 13. Nxc6 Bxc6 14. Rd4 e6 15. Rxc4 Rfd8 16. Bd4 a5 17. a3 Rd7 18. e3 Re8 19. Be5 Rd2 20. Bxc6 bxc6 21. Bxf6 Bxf6 22. Ne4 Bxb2 23. Rb1 Red8 24. Nxd2 Rxd2 25. a4 Ba3 26. Rb3 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.28"]
[Round "14"]
[White "Cruz, Walter Oswaldo"]
[Black "Souza Mendes, Joao"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "51"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Nge2 Nd4 8. Qd2 Ne7 9. 0-0 0-0 10. Nf4 Qa5 11. Ncd5 Qd8 12. Nxe7+ Qxe7 13. c3 Nc6 14. Ne2 b6 15. f4 Bb7 16. Rae1 f5 17. d4 cxd4 18. Nxd4 e5 19. Nxc6 Bxc6 20. exf5 Bxg2 21. Qxg2 gxf5 22. fxe5 dxe5 23. Rxf5 Qe6 24. Rh5 Qg6 25. Rg5 Qd6 26. Qb7 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.25"]
[Round "11"]
[White "Rabar, Braslav"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D70"]
[PlyCount "95"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 Nc6 8. d5 Nb8 9. a4 0-0 10. a5 N6d7 11. f4 c6 12. e5 cxd5 13. Qxd5 Nc6 14. Nf3 Ndb8 15. Qb5 Na6 16. Bc4 Bg4 17. Kf2 Nab4 18. Rhd1 Qc8 19. Nd5 Bxf3 20. Kxf3 Nxd5 21. Bxd5 h6 22. Qc4 g5 23. Bxc6 bxc6 24. Rd3 gxf4 25. Bxf4 Rb8 26. b4 Rb5 27. Re1 Qb7 28. Re4 Rb8 29. Kf2 c5 30. bxc5 Rxa5 31. Qd4 Ra2+ 32. Bd2 Qc8 33. Rg4 Qf5+ 34. Ke2 h5 35. Rgg3 Rbb2 36. Qd8+ Kh7 37. Rxg7+ Kxg7 38. Rg3+ Qg6 39. Rxg6+ fxg6 40. Qxe7+ Kg8 41. Qd8+ Kg7 42. Qf6+ Kh7 43. Qf7+ Kh8 44. Qf8+ Kh7 45. Qh6+ Kg8 46. Qxg6+ Kf8 47. Qd6+ Ke8 48. Kd1 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.24"]
[Round "10"]
[White "Cruz, Walter Oswaldo"]
[Black "Trifunovic, Petar"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "120"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Nge2 Nd4 8. Qd2 Ne7 9. Nd1 0-0 10. c3 Nxe2 11. Qxe2 b6 12. 0-0 d5 13. d4 cxd4 14. Bxd4 Bxd4 15. cxd4 dxe4 16. Bxe4 Rb8 17. Qd3 Bb7 18. Ne3 Qd6 19. Rfd1 Rfd8 20. a3 Nd5 21. Rac1 Nxe3 22. Qxe3 Bxe4 23. Qxe4 Rbc8 24. Rxc8 Rxc8 25. h4 h5 26. Kg2 Rd8 27. f4 Qc7 28. Kf3 Rd5 29. Ke3 Rb5 30. b4 a5 31. Qd3 Qc6 32. Rb1 axb4 33. axb4 Rd5 34. Qd2 Rd8 35. Rc1 Qd5 36. Qb2 Ra8 37. Rc2 Qh1 38. Rc1 Qh3 39. Kf3 Qf5 40. Ke3 Qb5 41. Rc7 Qd5 42. Rc2 Kh7 43. Qc3 Qh1 44. Qc7 Qe1+ 45. Kd3 Ra3+ 46. Rc3 Qxg3+ 47. Ke4 Qe1+ 48. Kd3 Rxc3+ 49. Qxc3 Qg3+ 50. Kc2 Qxf4 51. Kb3 b5 52. Qc5 Qg3+ 53. Kc2 Qxh4 54. Qxb5 Qf2+ 55. Kc3 h4 56. Qd3 Qg2 57. b5 h3 58. b6 h2 59. b7 h1Q 60. b8Q Qc1+ 0-1

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.23"]
[Round "9"]
[White "Eliskases, Erich Gottlieb"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "D77"]
[PlyCount "143"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d5 6. 0-0 c5 7. dxc5 dxc4 8. Qc2 Qd5 9. Na3 Qxc5 10. Qxc4 Qxc4 11. Nxc4 Nc6 12. Nce5 Nxe5 13. Nxe5 Ng4 14. Nd3 Ne5 15. Nc5 Nc4 16. Rb1 Rb8 17. b3 Nd6 18. Bf4 e5 19. Bd2 b6 20. Nd3 Bf5 21. Rbc1 Rfc8 22. Nb4 Rxc1 23. Rxc1 Rc8 24. Nc6 Rc7 25. Bb4 Nc8 26. Ne7+ Rxe7 27. Bxe7 Nxe7 28. Rc7 Bf6 29. Rxa7 e4 30. Ra4 Nd5 31. Bxe4 Bxe4 32. Rxe4 Kf8 33. Ra4 Be7 34. Ra8+ Kg7 35. Kg2 f5 36. Kf3 Kf6 37. e4 fxe4+ 38. Kxe4 Ke6 39. f4 h5 40. h3 Nc3+ 41. Kf3 Nd5 42. Rg8 Kf7 43. Rc8 Ke6 44. a4 Bd6 45. Rc4 Kd7 46. Rd4 Ke6 47. g4 hxg4+ 48. hxg4 Nb4 49. Ke4 Bc5 50. Rd2 Nc6 51. f5+ gxf5+ 52. gxf5+ Kf6 53. Rh2 Na5 54. Rh6+ Kg7 55. Rg6+ Kf7 56. b4 Bxb4 57. Rxb6 Be1 58. Kd5 Bd2 59. Ra6 Bc3 60. f6 Be1 61. Ke5 Nc4+ 62. Kf5 Ne3+ 63. Kg5 Bd2 64. Ra7+ Ke6 65. Kg6 Nd5 66. f7 Bb4 67. a5 Nf4+ 68. Kh7 Nd5 69. a6 Nf6+ 70. Kg6 Ne4 71. Rb7 Bc5 72. a7 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.22"]
[Round "8"]
[White "Cruz, Walter Oswaldo"]
[Black "Cruz Filho, Oswaldo"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "51"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. 0-0 Ngf6 7. Nxf6+ Nxf6 8. d4 Bd6 9. Bg5 Qc7 10. Qe2 Bd7 11. Bb3 0-0-0 12. Ne5 Be8 13. c4 h6 14. Bd2 c5 15. Bc3 Nd7 16. Nf3 Rg8 17. Bc2 cxd4 18. Bxd4 Nb6 19. c5 Bxc5 20. Bxc5 Qxc5 21. Rac1 Kb8 22. Bh7 Bb5 23. Qe4 Qd6 24. Bxg8 Bxf1 25. Bxf7 Bc4 26. b3 1/2-1/2

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.21"]
[Round "7"]
[White "Vasconcellos, Fernando"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "105"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. c3 e5 7. Nxc6 bxc6 8. f4 Bc5 9. Qe2 exf4 10. Bxf4 d6 11. Nd2 0-0 12. 0-0-0 Rb8 13. h3 Qa5 14. Nb3 Qxa2 15. Nxc5 Nd5 16. exd5 Qa1+ 17. Bb1 Bf5 18. Nd3 c5 19. Bxd6 c4 20. Bxb8 cxd3 21. Qd2 Rxb8 22. Rhe1 a5 23. g4 Bg6 24. d6 a4 25. d7 f6 26. h4 a3 27. b4 Bf7 28. Re8+ Bxe8 29. dxe8Q+ Rxe8 30. Qa2+ Qxa2 31. Bxa2+ Kf8 32. Rxd3 Re4 33. Rd4 Re2 34. Rd2 Re4 35. Rg2 h5 36. gxh5 Rxh4 37. b5 Rxh5 38. c4 Rc5 39. Kc2 g5 40. Kc3 Ke7 41. Kb4 Re5 42. Kxa3 Kd6 43. Kb4 Re4 44. Bb1 Rf4 45. Rd2+ Kc7 46. Kc5 g4 47. b6+ Kc8 48. Rd5 g3 49. Rd2 f5 50. Rg2 Rf3 51. Kc6 f4 52. b7+ Kb8 53. Ra2 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.20"]
[Round "6"]
[White "Cruz, Walter Oswaldo"]
[Black "Bauza, Lorenzo"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "79"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc6 5. c4 Nb6 6. exd6 cxd6 7. h3 g6 8. Nc3 Bg7 9. Be3 0-0 10. Be2 e5 11. 0-0 h6 12. Qd2 Kh7 13. Rad1 f5 14. dxe5 dxe5 15. Qc1 Nd7 16. b4 b6 17. b5 Na5 18. c5 f4 19. c6 fxe3 20. Qxe3 Qe8 21. cxd7 Bxd7 22. Nd2 Rc8 23. Nde4 Nb7 24. Rd2 Be6 25. Rfd1 Rf7 26. h4 Rfc7 27. Nd5 Rf7 28. h5 g5 29. Bd3 Kh8 30. Bb1 Qxb5 31. Ndc3 Qb4 32. Nd6 Nxd6 33. Rxd6 Qxc3 34. Qxc3 Rxc3 35. Rxe6 Rc8 36. Red6 Bf8 37. R6d5 Bc5 38. Rd8+ Rxd8 39. Rxd8+ Kg7 40. Rd2 1/2-1/2

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.19"]
[Round "5"]
[White "Eidelman, Mauricio"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "51"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. f4 d6 4. Nf3 Nbd7 5. Bc4 Bg7 6. 0-0 0-0 7. Nc3 c5 8. a4 a6 9. Qe2 b6 10. d5 Re8 11. e4 e5 12. dxe6 fxe6 13. e5 Ng4 14. exd6 Ndf6 15. Rd1 Nh6 16. Ne5 Nf5 17. Ne4 Nd4 18. Nxf6+ Bxf6 19. Qg4 Bxe5 20. fxe5 Nxc2 21. Bd3 Nxa1 22. Bxg6 Ra7 23. d7 Re7 24. Bf7+ Kh8 25. Bg5 Rxf7 26. Bxd8 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.18"]
[Round "4"]
[White "Cruz, Walter Oswaldo"]
[Black "Dantas, Nelson"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "79"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 0-0 10. Bd3 Bf6 11. Bxe4 Ne7 12. Qc2 Ng6 13. g4 c6 14. d6 Qe8 15. Be3 b6 16. Rad1 Ba6 17. Rfe1 Qe6 18. Bf5 Qxa2 19. g5 Bd8 20. Rd4 b5 21. h4 Bb6 22. h5 Bxd4 23. Bxd4 Qd5 24. Be4 Qe6 25. hxg6 Qg4+ 26. Kh2 fxg6 27. Qb3+ Kh8 28. Ne5 Qh4+ 29. Kg2 Qxg5+ 30. Qg3 Qd2 31. Bc3 Qf4 32. Bc2 b4 33. Qxf4 Rxf4 34. Bd2 Rd4 35. Be3 Rd5 36. Bf4 c5 37. Be4 Rxe5 38. Bxe5 Rb8 39. Bd5 c4 40. Bd4 1-0

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.17"]
[Round "3"]
[White "Cruz, Walter Oswaldo"]
[Black "Engels, Ludwig"]
[Result "0-1"]
[ECO "C71"]
[PlyCount "104"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 Nf6 6. Nc3 Be7 7. d4 Nd7 8. Be3 0-0 9. 0-0 Nxd4 10. Nxd4 exd4 11. Bxd4 Ne5 12. Qe2 c6 13. Rad1 Qc7 14. Bc2 Be6 15. b3 b5 16. cxb5 axb5 17. h3 b4 18. Na4 c5 19. Ba1 Rxa4 20. bxa4 Bc4 21. Qh5 Bxf1 22. Rxf1 Bf6 23. f4 Nd7 24. e5 g6 25. Qg4 dxe5 26. f5 c4 27. fxg6 hxg6 28. h4 Bg7 29. a5 Nf6 30. Qg5 Nh5 31. a6 Qb6+ 32. Kh2 Qxa6 33. Bxe5 Bxe5+ 34. Qxe5 Rd8 35. Rd1 Rxd1 36. Bxd1 Qf6 37. Qb8+ Kh7 38. Bxh5 Qxh4+ 39. Kg1 Qe1+ 40. Kh2 gxh5 41. Qb5 Qh4+ 42. Kg1 c3 43. Qd3+ Kg8 44. Qf5 Qg4 45. Qd3 Qf4 46. Qb1 h4 47. Kh1 Kg7 48. Kg1 Qc4 49. Qf5 Qd4+ 50. Kh1 f6 51. Qb1 Qe3 52. Qf5 Qe1+ 0-1

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.16"]
[Round "2"]
[White "Madeira de Ley, Manuel"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "80"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Bc4 0-0 9. Nf3 Nc6 10. 0-0 cxd4 11. cxd4 Bg4 12. Bd5 Rc8 13. Qa4 Bd7 14. Qa3 e6 15. Bb3 Qa5 16. Qd6 Qb4 17. Qg3 Rfd8 18. Rab1 Qe7 19. Bg5 f6 20. d5 Na5 21. Be3 Nxb3 22. Rxb3 Ba4 23. d6 Qd7 24. Rb4 a5 25. Rb2 e5 26. Bb6 Re8 27. Bc7 Bf8 28. Rd2 Re6 29. h4 Bxd6 30. Bxa5 Qe8 31. h5 b6 32. hxg6 hxg6 33. Bxb6 Bb4 34. Be3 Bxd2 35. Bxd2 Rd6 36. Bb4 Rd3 37. Qh4 Kg7 38. Nh2 Qe6 39. f3 Qb6+ 40. Kh1 Rh8 0-1

[Event "Rio de Janeiro"]
[Site "Rio de Janeiro"]
[Date "1952.04.15"]
[Round "1"]
[White "Cruz, Walter Oswaldo"]
[Black "Toth, Vince"]
[Result "0-1"]
[ECO "C09"]
[PlyCount "126"]
[EventDate "1952.04.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bb6 10. Be3 Bxe3 11. fxe3 0-0 12. Qd2 Qb6 13. Bxc6 bxc6 14. Qc3 a5 15. a4 Ba6 16. Rfe1 Bc4 17. Nbd2 Ba6 18. Nb3 Bc4 19. Nbd2 Ba6 20. Ra3 Qb4 21. Qxb4 axb4 22. Raa1 c5 23. e4 d4 24. Ne5 Rfd8 25. Nd3 Rdc8 26. b3 Ng6 27. Rad1 Rab8 28. Nb2 Ne5 29. Nbc4 Bxc4 30. Nxc4 Nxc4 31. bxc4 Ra8 32. Ra1 Ra5 33. Rf1 Re8 34. Rf4 f6 35. Kf1 Kf7 36. h4 Rea8 37. Rf5 Rxa4 38. Rxa4 Rxa4 39. Rxc5 Ra2 40. Rb5 Rxc2 41. Rxb4 d3 42. Ke1 Rxg2 43. c5 Ke6 44. Rb7 Ke5 45. Rd7 Rc2 46. c6 Rxc6 47. Kd2 g6 48. Rxh7 Kxe4 49. Re7+ Kf4 50. Rg7 Rd6 51. Rh7 Rd8 52. Rh6 Rd4 53. Rh8 Rd7 54. Rh6 g5 55. hxg5 fxg5 56. Rh1 g4 57. Rf1+ Kg5 58. Ke3 Kh4 59. Rd1 d2 60. Kf2 g3+ 61. Kf3 Rf7+ 62. Kg2 Rf2+ 63. Kg1 Kh3 0-1

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Adail Gondim, Jose"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "156"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 Na5 9. d4 exd4 10. Nxd4 c5 11. Bd5 Nxd5 12. exd5 cxd4 13. a4 0-0 14. axb5 Bf6 15. Nd2 axb5 16. b4 Bb7 17. bxa5 Bxd5 18. Qh5 Bc6 19. Nb3 g6 20. Qd1 Bd5 21. Bh6 Re8 22. Qd2 Qc7 23. Nxd4 Qc4 24. Rxe8+ Rxe8 25. Re1 Rxe1+ 26. Qxe1 Be5 27. c3 b4 28. Ne2 bxc3 29. a6 Qxa6 30. f4 Qa7+ 31. Kh2 Bg7 32. Bxg7 Kxg7 33. Qxc3+ f6 34. Qd2 Qc5 35. f5 Bc6 36. Nd4 Qd5 37. Ne6+ Kg8 38. Qxd5 Bxd5 39. Nf4 Be4 40. fxg6 hxg6 41. g4 Kf7 42. Kg3 g5 43. Ne2 Ke6 44. h4 Bd3 45. Nd4+ Kd5 46. Nf3 gxh4+ 47. Nxh4 Ke4 48. Nf5 Ke5 49. Ne7 Be4 50. Kf2 d5 51. Ke3 d4+ 52. Kd2 Kf4 53. Ng8 Kg5 54. Ke2 Bh7 55. Ne7 Kxg4 56. Nc6 d3+ 57. Ke3 Be4 58. Nd4 f5 59. Nb3 Kg3 60. Nd2 Kg2 61. Nc4 Kf1 62. Nd2+ Ke1 63. Nc4 Kd1 64. Na3 Kc1 65. Nc4 Kc2 66. Na3+ Kb2 67. Nb5 f4+ 68. Kd2 Kb3 69. Nc3 Bf5 70. Nb5 Bg6 71. Nd4+ Kc4 72. Nf3 Be4 73. Ne5+ Kd4 74. Ng4 Bf3 75. Nf2 Be2 76. Nh3 Ke4 77. Ng1 Bg4 78. Ke1 Ke3 0-1

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Almeida Soares, Jose C"]
[Result "1-0"]
[ECO "D74"]
[PlyCount "75"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 0-0 7. 0-0 c6 8. e4 Nb6 9. Nc3 Bg4 10. Be3 N8d7 11. Qb3 Bxf3 12. Bxf3 e5 13. dxe5 Nxe5 14. Be2 Ned7 15. a4 Qc7 16. f4 Rad8 17. e5 Rfe8 18. a5 Nc8 19. Bc4 Nf8 20. Ne4 h6 21. Bc5 Ne6 22. Bd6 Nxd6 23. Nxd6 Rxd6 24. exd6 Bd4+ 25. Kg2 Qxd6 26. Rae1 Kg7 27. Qxb7 Re7 28. Qb3 Nc5 29. Qd1 Rb7 30. b3 f5 31. Re8 Ne4 32. Re6 Qd7 33. g4 Nc5 34. gxf5 Nxe6 35. fxe6 Qd6 36. f5 c5 37. f6+ Kf8 38. e7+ 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Camara, Ronald"]
[Result "1-0"]
[ECO "D48"]
[PlyCount "79"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. a4 b4 11. Ne4 Bb7 12. Nxc5 Nxc5 13. dxc5 Bxc5 14. Qe2 0-0 15. e4 e5 16. Bg5 Qe7 17. Nh4 Qe6 18. Rac1 Rac8 19. Nf5 g6 20. Nh6+ Kg7 21. Kh1 Ng8 22. Nxg8 Kxg8 23. Bc4 Qb6 24. Qf3 Kg7 25. a5 Qd6 26. Rfd1 Bd4 27. Qh3 h5 28. Qh4 f6 29. Be3 g5 30. Qg3 Rcd8 31. Bxd4 exd4 32. Qxd6 Rxd6 33. Bd3 Bc6 34. Rc5 Re8 35. f3 Re5 36. Rdc1 Rxc5 37. Rxc5 Bb5 38. Bxb5 axb5 39. Kg1 d3 40. Rc1 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Dantas, Nelson"]
[Result "1-0"]
[ECO "E42"]
[PlyCount "31"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 Ne4 6. Qc2 f5 7. a3 Qa5 8. Rb1 Bxc3+ 9. Nxc3 Nxc3 10. Bd2 cxd4 11. exd4 Qa4 12. Qxc3 0-0 13. Bd3 d5 14. 0-0 Nc6 15. b3 Qxa3 16. c5 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "De Carvalho, Flavio"]
[Result "1-0"]
[ECO "D33"]
[PlyCount "97"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. Bg2 Bb4 8. 0-0 Nge7 9. e4 0-0 10. Nxd5 Nxd5 11. exd5 Qxd5 12. a3 Ba5 13. Ne5 Qb5 14. Nxc6 bxc6 15. a4 Qa6 16. Qf3 Bd7 17. Bf4 Rac8 18. Qa3 Be6 19. Rfc1 Rfd8 20. Bd6 Qb6 21. Bc5 Qb7 22. Bf1 Rb8 23. Bxc4 Bb4 24. Bxb4 Qxb4 25. Qxb4 Rxb4 26. Bxe6 fxe6 27. Rxc6 Rdxd4 28. Ra6 Rd7 29. Rc1 Rxb2 30. Rxe6 h6 31. Rc4 Rf7 32. Rf4 Rd7 33. h4 Rbb7 34. Re8+ Kh7 35. h5 Re7 36. Ra8 Rf7 37. Rxf7 Rxf7 38. Kg2 g6 39. hxg6+ Kxg6 40. Rg8+ Kf6 41. Rc8 Rb7 42. Rc6+ Kg5 43. f4+ Kg4 44. Rg6+ Kh5 45. Rg8 Rb2+ 46. Kh3 Rb3 47. Re8 Rb6 48. Re7 Ra6 49. Rg7 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "De Freitas, Marcio Elisio"]
[Result "1-0"]
[ECO "E33"]
[PlyCount "81"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 0-0 6. Bd2 d6 7. a3 Bxc3 8. Bxc3 a5 9. e3 Qe7 10. Be2 e5 11. dxe5 dxe5 12. h3 Re8 13. 0-0 e4 14. Nd2 Bf5 15. Rfd1 h5 16. Nf1 h4 17. Nh2 Ne5 18. Bxe5 Qxe5 19. Bg4 Nxg4 20. Nxg4 Qe6 21. Nh2 Ra6 22. Rd5 Qg6 23. Kh1 Be6 24. Rd4 c5 25. Rd2 a4 26. Rad1 Raa8 27. Rd6 Qf5 28. R1d2 Reb8 29. f3 exf3 30. Nxf3 Qh5 31. Qe4 Re8 32. Qf4 g6 33. Ng5 Bxc4 34. Rd7 Rf8 35. Rxb7 Bb3 36. Rdd7 Qe2 37. Qxh4 Qh5 38. Qf4 Qh6 39. e4 Rae8 40. e5 Qh5 41. Nxf7 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Oliveira, Washington"]
[Result "1-0"]
[ECO "E29"]
[PlyCount "105"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 0-0 9. e4 Ne8 10. Be3 b6 11. 0-0 Na5 12. Ng3 Ba6 13. Qe2 Qd7 14. f4 f5 15. Rad1 Qd8 16. d5 fxe4 17. Nxe4 exd5 18. cxd5 Bxd3 19. Rxd3 Qd7 20. Ng5 Nc7 21. Bc1 Rae8 22. Qc2 Qf5 23. Qd1 h6 24. g4 Qf6 25. Nh3 Qe7 26. f5 Qe2 27. Nf4 Qxd1 28. Rdxd1 Re4 29. h3 Nb3 30. Ne6 Nxc1 31. Rxc1 Rf7 32. Rce1 Rxe1 33. Rxe1 Nxd5 34. Rd1 Nxc3 35. Rxd6 Nb5 36. Rd8+ Kh7 37. Nf8+ Rxf8 38. Rxf8 Nxa3 39. Rf7 Nb5 40. h4 Kg8 41. Rb7 h5 42. g5 c4 43. Kf2 Kf8 44. g6 c3 45. Ke2 Nd4+ 46. Kd3 c2 47. Kd2 Nf3+ 48. Kxc2 Nxh4 49. Kd3 a5 50. Ke4 a4 51. Ke5 Ke8 52. Rxg7 Kd8 53. Rf7 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Ribeiro, Sabino Jr"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "45"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 c6 5. Nc3 d5 6. Qd3 Nbd7 7. cxd5 cxd5 8. Nh3 Be7 9. 0-0 0-0 10. f3 a6 11. Bd2 b5 12. Nf2 b4 13. Na4 Qa5 14. b3 Qd8 15. Rac1 Bb7 16. Qe3 Kf7 17. Nh3 Nh5 18. g4 f4 19. Qd3 a5 20. gxh5 Ba6 21. Qxh7 Rh8 22. Qg6+ Kf8 23. Nxf4 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz, Walter Oswaldo"]
[Black "Vasconcellos, Fernando"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "103"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. e3 Nbd7 6. a3 Be7 7. Qc2 0-0 8. Nf3 Ne8 9. Bxe7 Qxe7 10. Rd1 Nb6 11. c5 Nd7 12. Bd3 g6 13. b4 e5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. 0-0 Ng7 17. e4 dxe4 18. Nxe4 Bf5 19. Nd6 Bxd3 20. Rxd3 Qe7 21. Re3 Qc7 22. Rfe1 Rad8 23. Qc3 Qb8 24. Re7 Rxd6 25. cxd6 Nf5 26. Qe5 Nxd6 27. h4 Nf5 28. Qxb8 Rxb8 29. Re8+ Rxe8 30. Rxe8+ Kg7 31. Rd8 Kf6 32. Rd7 b5 33. Rxa7 Ke6 34. Rc7 Ne7 35. g4 h5 36. f3 Kd6 37. Ra7 f5 38. gxh5 gxh5 39. Kg2 f4 40. Ra8 Nf5 41. Kh3 Nd4 42. Rh8 Nc2 43. Rxh5 Nxa3 44. Rf5 Nc2 45. Rxf4 c5 46. bxc5+ Kxc5 47. h5 b4 48. h6 b3 49. h7 b2 50. h8Q b1Q 51. Qe5+ Kc6 52. Rf6+ 1-0

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Cruz Filho, Oswaldo"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "E32"]
[PlyCount "60"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 c5 6. a3 cxd4 7. axb4 dxc3 8. bxc3 d5 9. Bd3 dxe4 10. Bxe4 Nxe4 11. Qxe4 Qf6 12. Ne2 e5 13. 0-0 Qe6 14. Be3 a6 15. Rfd1 Nd7 16. f3 f5 17. Qd5 Nf6 18. Qxe6+ Bxe6 19. Rd2 Bxc4 20. Rad1 Bxe2 21. Rxe2 Rfd8 22. Red2 Rxd2 23. Rxd2 Rc8 24. Bc5 Kf7 25. Kf2 Rc6 26. Rd6 Rxd6 27. Bxd6 Ke6 28. Bc5 Kd5 29. Ke2 Kc4 30. Kd2 Nd5 0-1

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Gentil Junior, Luiz"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "E18"]
[PlyCount "72"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bf4 d6 10. Qd2 Nd7 11. Rfd1 Qe8 12. Ne1 Bxg2 13. Nxg2 f5 14. Bg5 Bf6 15. Bxf6 Nxf6 16. Qc2 Qf7 17. Rac1 Rae8 18. Ne3 Qh5 19. f3 g5 20. Ng2 Qg6 21. b4 Re7 22. c5 Nd5 23. cxd6 cxd6 24. Qd2 f4 25. g4 h5 26. Rc6 hxg4 27. fxg4 Qe4 28. Rdc1 Ne3 29. Ne1 f3 30. exf3 Qxg4+ 31. Ng2 Rxf3 32. Re1 Ref7 33. Rcc1 Nd5 34. Rf1 Nf4 35. Rxf3 Qxf3 36. Qc2 Nh3+ 0-1

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "German, Eugenio Maciel"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "C92"]
[PlyCount "140"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Be6 10. d4 Bxb3 11. Qxb3 exd4 12. cxd4 d5 13. e5 Ne4 14. Nc3 Nxc3 15. bxc3 Na5 16. Qb1 Rb8 17. Qf5 Qc8 18. e6 fxe6 19. Qxe6+ Qxe6 20. Rxe6 Bd6 21. Ne5 Rfe8 22. Rxe8+ Rxe8 23. Bf4 c5 24. Nd3 Bxf4 25. Nxf4 cxd4 26. cxd4 Re4 27. Nxd5 Rxd4 28. Nc7 Rd6 29. Re1 Kf7 30. Re4 Nc4 31. a4 Rc6 32. axb5 Rxc7 33. bxa6 Nd6 34. Rb4 h6 35. Rb3 Ra7 36. Rb6 Ke7 37. Kh2 Kd7 38. Kg3 Kc7 39. Rb3 Rxa6 40. Kh4 Kd7 41. g4 Ke7 42. Re3+ Kf6 43. Rf3+ Kg6 44. Rf8 Ne4 45. Rf4 Ng5 46. Kg3 Rf6 47. Ra4 Rf3+ 48. Kg2 Rc3 49. h4 Nf3 50. Ra6+ Kh7 51. h5 Ne5 52. Ra4 Rc4 53. Rxc4 Nxc4 54. Kf3 Kg8 55. Ke4 Kf7 56. Kf5 Nd6+ 57. Ke5 Ne8 58. Kf5 Nf6 59. f3 Nh7 60. Ke5 Ng5 61. Kf4 Kf6 62. Ke3 Ne6 63. f4 Nc7 64. Ke4 Nb5 65. Kd3 Ke6 66. Ke4 Nd6+ 67. Kd4 Ne8 68. Ke4 Nf6+ 69. Kf3 Kd5 70. g5 hxg5 0-1

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Ribas, Hector"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "110"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. axb4 Bxb4 7. Ba3 Ba5 8. c4 Qe6 9. Be2 Nc6 10. 0-0 Nge7 11. Bb2 Bb6 12. Nc3 0-0 13. Ne4 f5 14. Neg5 Qg6 15. c5 Bxc5 16. Bc4+ Kh8 17. Qb3 Nd8 18. h4 Qb6 19. Qxb6 Bxb6 20. Ba3 Ndc6 21. Nf7+ Rxf7 22. Bxf7 e4 23. Ng5 h6 24. Nh3 Ne5 25. Bxe7 Nxf7 26. Rfb1 Rb8 27. Nf4 Bd7 28. Nd5 Bd4 29. Ra3 Be6 30. Nf4 Bd7 31. Rb4 Bb6 32. Nd5 Bc6 33. Nxb6 axb6 34. Rxb6 Re8 35. Bc5 Ne5 36. Rb1 Nc4 37. Rc3 Ne5 38. Re1 Rd8 39. Be3 Nd3 40. Rb1 f4 41. Bb6 Rd7 42. Rc4 Ne5 43. Rd4 Rf7 44. Rd8+ Kh7 45. Bd4 Ng6 46. g3 fxg3 47. fxg3 Rf3 48. Kh2 h5 49. Ra1 Ne7 50. Bc5 Nf5 51. Ra3 e3 52. Bxe3 Rf1 53. Bg1 Re1 54. Re3 Nxe3 55. dxe3 Re2+ 0-1

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Souza Mendes, Joao"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "B66"]
[PlyCount "68"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Nf3 e5 11. Be3 b5 12. Bd3 Be6 13. a3 b4 14. Na4 bxa3 15. bxa3 d5 16. Qc3 d4 17. Qxc6+ Bd7 18. Qb7 Bxa3+ 19. Kd2 Bxa4 20. Nxe5 dxe3+ 21. Kxe3 0-0 22. Bc4 Qe7 23. Bxf7+ Kh7 24. Bg6+ Kh8 25. Qxe7 Bxe7 26. Bf5 Bc5+ 27. Ke2 Rfe8 28. f4 Bxc2 29. Rc1 Bxe4 30. Bxe4 Nxe4 31. Kf3 Nd2+ 32. Ke2 Nb3 33. Rc3 Rab8 34. Rd1 Bd4 0-1

[Event "BRA-ch"]
[Site "Rio de Janeiro"]
[Date "1949.08.??"]
[Round "?"]
[White "Tavares da Silva, Luiz"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "E88"]
[PlyCount "49"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 0-0 5. Be3 d6 6. f3 c6 7. Qd2 e5 8. d5 cxd5 9. cxd5 Ne8 10. h4 f5 11. 0-0-0 Nf6 12. Nh3 Nbd7 13. Bc4 Qc7 14. Bb3 fxe4 15. Ng5 Nc5 16. Bxc5 Qxc5 17. Ne6 Bxe6 18. dxe6 d5 19. fxe4 Nxe4 20. Qxd5 Bh6+ 21. Kb1 Qxd5 22. Rxd5 Nxc3+ 23. bxc3 Rfe8 24. Rd7 Be3 25. Rf1 1-0

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.05.05"]
[Round "17"]
[White "Lasker, Edward"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "E68"]
[PlyCount "97"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d6 5. e4 0-0 6. g3 Nbd7 7. Bg2 e5 8. 0-0 Re8 9. Re1 exd4 10. Nxd4 Nc5 11. h3 a5 12. Nb3 Nfd7 13. Qc2 f5 14. Bd2 a4 15. Nxc5 Nxc5 16. Rad1 fxe4 17. Nxe4 Bf5 18. g4 Bxe4 19. Bxe4 Nxe4 20. Rxe4 Qh4 21. Kg2 Rf8 22. f4 Rae8 23. Rde1 Qd8 24. Qxa4 Rxe4 25. Rxe4 Bxb2 26. Qb3 Bg7 27. Qxb7 Qa8 28. Qd5+ Kh8 29. Qxa8 Rxa8 30. a4 Kg8 31. a5 Kf7 32. Kf3 c6 33. Bb4 Bf6 34. Re3 d5 35. cxd5 cxd5 36. f5 Ra6 37. Rd3 d4 38. Ke4 gxf5+ 39. gxf5 Bd8 40. Be1 Bf6 41. Kd5 Ke7 42. Rb3 Rd6+ 43. Kc4 Rc6+ 44. Kd3 Kd6 45. Rb6 Rxb6 46. axb6 Kc6 47. Bf2 Be5 48. Bxd4 Bb8 49. Ke4 1-0

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.05.03"]
[Round "16"]
[White "Cruz, Walter Oswaldo"]
[Black "Luckis, Marcos"]
[Result "1/2-1/2"]
[ECO "E42"]
[PlyCount "90"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 d5 6. dxc5 Nc6 7. a3 Bxc5 8. b4 Be7 9. cxd5 exd5 10. Nd4 0-0 11. Be2 Ne4 12. Nxc6 Nxc3 13. Nxe7+ Qxe7 14. Qd4 Nxe2 15. Kxe2 Be6 16. Bb2 f6 17. Rhc1 Rfc8 18. Rxc8+ Rxc8 19. Rc1 Rxc1 20. Bxc1 Qc7 21. Qc5 Qxh2 22. Qe7 Qh5+ 23. Kd2 Qf7 24. Qd8+ Qf8 25. Qxf8+ Kxf8 26. Kc3 Ke7 27. Kd4 Kd6 28. Bd2 h5 29. g3 Bf5 30. f3 Bc2 31. e4 dxe4 32. fxe4 g5 33. Be1 Ke6 34. Bf2 a6 35. Be3 h4 36. gxh4 gxh4 37. Bf2 h3 38. Bg3 Kd7 39. Kd5 Ke7 40. Kd4 Kf7 41. Ke3 Ba4 42. Bh2 Ke6 43. Kd4 Kd7 44. Kd5 Bc6+ 45. Kd4 b6 1/2-1/2

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.05.02"]
[Round "15"]
[White "Guimard, Carlos Enrique"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "A47"]
[PlyCount "71"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Bd3 e6 5. Nbd2 c5 6. 0-0 Nc6 7. a3 Qc7 8. b3 Be7 9. Bb2 0-0 10. c4 cxd4 11. exd4 Rad8 12. b4 a5 13. b5 Nb8 14. Rc1 d6 15. Qe2 Nbd7 16. Bb1 Qb8 17. Rc3 Qa8 18. Re1 h6 19. Rec1 Rfe8 20. Nh4 Rc8 21. Rg3 d5 22. Qe3 Kh8 23. c5 bxc5 24. dxc5 Rxc5 25. Rxc5 Nxc5 26. Rxg7 Kxg7 27. Qg3+ Kf8 28. Qf4 Rc8 29. Bxf6 Bxf6 30. Qxf6 Ke8 31. Bg6 Rc7 32. b6 Re7 33. Ndf3 Ne4 34. Bxe4 dxe4 35. Ne5 Kd8 36. Nhg6 1-0

[Event "Montevideo CNF Cincuentenario"]
[Site "Montevideo"]
[Date "1949.05.??"]
[Round "2"]
[White "Cruz, Walter Oswaldo"]
[Black "Almeida, Carlos"]
[Result "1-0"]
[ECO "D19"]
[PlyCount "79"]
[EventDate "1949.05.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Ne4 10. Bd3 Bxc3 11. bxc3 Nxc3 12. Qc2 Bxd3 13. Qxd3 Nd5 14. Rb1 b6 15. Ba3 Re8 16. Ne5 Ne7 17. Rfc1 Nd7 18. Nc4 Nc5 19. Qc2 Nb7 20. a5 Nxa5 21. Nxa5 bxa5 22. Rb7 Nd5 23. Qxc6 h6 24. g3 Nb4 25. Qc3 Qc8 26. Qxc8 Rexc8 27. Rcc7 Rf8 28. Rxa7 Rxa7 29. Rxa7 Rc8 30. Rxa5 Nd3 31. e4 Rd8 32. Ra4 Rc8 33. d5 g6 34. Ra7 exd5 35. exd5 Rd8 36. d6 Ne5 37. Rc7 Nd7 38. Kg2 Nf8 39. d7 Nxd7 40. Be7 1-0

[Event "Montevideo CNF Cincuentenario"]
[Site "Montevideo"]
[Date "1949.05.??"]
[Round "4"]
[White "Cruz, Walter Oswaldo"]
[Black "Bolbochan, Julio"]
[Result "0-1"]
[ECO "D80"]
[PlyCount "64"]
[EventDate "1949.05.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[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. e3 Bg7 5. Bd2 0-0 6. Rc1 Nc6 7. Nf3 Bg4 8. cxd5 Nxd5 9. Be2 e5 10. 0-0 exd4 11. Nxd4 Bxe2 12. Ndxe2 Ndb4 13. Qb3 a5 14. Rcd1 Qe8 15. a3 Nd3 16. Na4 Rd8 17. Bc3 Nce5 18. Bxe5 Bxe5 19. Nd4 c5 20. Nb5 Qc6 21. Na7 Qf6 22. Rxd3 Bxh2+ 23. Kxh2 Qh4+ 24. Kg1 c4 25. Qd1 cxd3 26. Nc3 Rfe8 27. g3 Qh3 28. Qf3 d2 29. Nab5 Rd3 30. Qg2 Qg4 31. f3 Qd7 32. Rd1 Rexe3 0-1

[Event "Montevideo CNF Cincuentenario"]
[Site "Montevideo"]
[Date "1949.05.??"]
[Round "8"]
[White "Cruz, Walter Oswaldo"]
[Black "Molinari, Bruno"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "61"]
[EventDate "1949.05.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 c5 4. e3 Be7 5. Be2 0-0 6. 0-0 Qc7 7. Bb2 d6 8. Nc3 a6 9. d4 Nbd7 10. d5 e5 11. Nh4 Re8 12. Qc2 Bf8 13. Bd3 g6 14. g3 Bg7 15. Rae1 e4 16. Nxe4 Nxe4 17. Bxg7 Nxg3 18. hxg3 Kxg7 19. f4 Qd8 20. e4 Kg8 21. Nf3 f6 22. e5 dxe5 23. fxe5 Nxe5 24. Nxe5 Qd6 25. Bxg6 Rxe5 26. Bxh7+ Kh8 27. Qh2 Kg7 28. Bd3 Rxe1 29. Rxe1 f5 30. Re8 Qg6 31. Qh8+ 1-0

[Event "Montevideo CNF Cincuentenario"]
[Site "Montevideo"]
[Date "1949.05.??"]
[Round "3"]
[White "Olivera, Alfredo"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "E70"]
[PlyCount "109"]
[EventDate "1949.05.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[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 0-0 5. Bd3 d6 6. Nge2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 Nc5 10. Bc2 a5 11. f3 Qe8 12. Qd2 Nfd7 13. Nb5 g5 14. Bxg5 hxg5 15. Nxc7 Qd8 16. Nxa8 b6 17. Ng3 Bb7 18. Nc7 Qxc7 19. Qxg5 Qd8 20. Qxd8 Rxd8 21. Nf5 Bf8 22. 0-0 Nf6 23. b3 Bc8 24. Ne3 Bh6 25. Kf2 Bd7 26. a3 Na6 27. Rfb1 Rc8 28. b4 a4 29. Bd3 Bxe3+ 30. Kxe3 Nc7 31. Rc1 Na8 32. Rab1 Kf8 33. c5 bxc5 34. bxc5 dxc5 35. Ba6 Rd8 36. Rxc5 Ne8 37. g3 Ke7 38. Be2 Nd6 39. f4 exf4+ 40. gxf4 Rh8 41. Bd3 f6 42. Kd4 Nf7 43. Rb7 Nd6 44. Ra7 Nb6 45. e5 fxe5+ 46. fxe5 Rh4+ 47. Kc3 Ne4+ 48. Bxe4 Rxe4 49. e6 Kd6 50. exd7 Nxd7 51. Rc8 Ne5 52. Rd8+ Kc5 53. Rc7+ Kb6 54. d6 Nc6 55. Rdc8 1-0

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.03.31"]
[Round "14"]
[White "Cruz, Walter Oswaldo"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "D48"]
[PlyCount "55"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 a6 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4 11. Ne4 Bb7 12. Nxc5 Nxc5 13. dxc5 Bxc5 14. Qe2 Qd5 15. Rd1 Qh5 16. e4 Ng4 17. Rf1 0-0 18. Bf4 Rfd8 19. Ne5 Nf6 20. Nf3 Rd7 21. Rac1 Bb6 22. Be3 Bxe3 23. Qxe3 Rad8 24. Bb1 Qa5 25. b3 g6 26. Qe2 Qb6 27. Ne5 Rd4 28. Nc4 1/2-1/2

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.03.30"]
[Round "13"]
[White "Corte, Cesar Juan"]
[Black "Cruz, Walter Oswaldo"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "118"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 Na5 10. b4 Nxc4 11. bxc5 Na5 12. cxd6 Qxd6 13. 0-0 0-0 14. d4 Nc6 15. Rb1 b6 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. Qd4 Qxd4 19. cxd4 Bb7 20. Ne7+ Kh7 21. f3 Rad8 22. d5 Rd7 23. Nf5 c6 24. dxc6 Bxc6 25. Rfd1 Rfd8 26. Rxd7 Rxd7 27. Rb2 g6 28. Ne3 Rd3 29. Ng4 Ra3 30. Kf2 Kg7 31. Ne5 Be8 32. Ke2 f6 33. Nd3 a6 34. Kd2 b5 35. Nc1 Bf7 36. Rc2 b4 37. Rb2 a5 38. Kc2 g5 39. Kb1 h5 40. Rc2 h4 41. h3 Re3 42. Ne2 Rd3 43. Kc1 a4 44. Rb2 b3 45. axb3 Bxb3 46. Rd2 Rxd2 47. Kxd2 Bc4 48. Nd4 a3 49. Kc2 Kf7 50. Nf5 Be6 51. Ne3 Ke7 52. Kc3 Kd6 53. Nc2 a2 54. Kb2 Ke5 55. Nb4 Kf4 56. Ka1 Kg3 57. Nd5 Kxg2 58. Nxf6 Kxf3 59. Nh7 Kf4 0-1

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.03.28"]
[Round "12"]
[White "Cruz, Walter Oswaldo"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[ECO "E68"]
[PlyCount "74"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 0-0 5. Bg2 d6 6. d4 Nbd7 7. c4 Re8 8. 0-0 e5 9. Nc3 exd4 10. Nxd4 Nc5 11. Qc2 a5 12. e4 c6 13. Rad1 Qc7 14. h3 Bd7 15. f4 Rad8 16. g4 Bc8 17. Bf3 Nfd7 18. Nde2 Nf8 19. Ng3 Nfe6 20. Nce2 Qe7 21. f5 Bxb2 22. fxe6 Be5 23. exf7+ Kxf7 24. Qd2 Qh4 25. Qe1 Kg8 26. Bg2 Rf8 27. Rxf8+ Rxf8 28. Nf1 Qf6 29. Nh2 b6 30. Nf3 Nxe4 31. Nxe5 Qxe5 32. Nd4 Nf2 33. Nxc6 Qg3 34. Ne7+ Kg7 35. Nxc8 Nxh3+ 36. Kh1 Nf2+ 37. Kg1 Nh3+ 1/2-1/2

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.03.27"]
[Round "11"]
[White "Eliskases, Erich Gottlieb"]
[Black "Cruz, Walter Oswaldo"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "53"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. b3 Nbd7 5. Bb2 e6 6. 0-0 Bd6 7. c4 c6 8. d3 h6 9. Nc3 Qe7 10. cxd5 cxd5 11. e4 dxe4 12. dxe4 Nxe4 13. Nxe4 Bxe4 14. Bxg7 Rh7 15. Bb2 h5 16. Re1 Bxf3 17. Qxf3 Nc5 18. b4 Nd7 19. Qxb7 Rb8 20. Qxa7 Bxb4 21. Bc6 Rd8 22. Red1 Bd6 23. Ba3 Bxa3 24. Rxd7 Rxd7 25. Qa8+ Qd8 26. Bxd7+ Kxd7 27. Rd1+ 1-0

[Event "Mar del Plata International-12"]
[Site "Mar del Plata"]
[Date "1949.03.26"]
[Round "10"]
[White "Cruz, Walter Oswaldo"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "D51"]
[PlyCount "81"]
[EventDate "1949.03.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. a3 Be7 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 f5 10. Ne5 0-0 11. f4 Nxe5 12. dxe5 Bd7 13. Bd3 Qc5 14. Nd1 a5 15. Rc1 Rfc8 16. 0-0 b5 17. cxb5 cxb5 18. Bxe4 Qb6 19. Qd2 Rxc1 20. Qxc1 dxe4 21. Rf2 Rc8 22. Rc2 Rxc2 23. Qxc2 b4 24. axb4 axb4 25. g4 g6 26. g5 Kf7 27. h4 Ke7 28. Kf2 Bc6 29. Ke1 Kd7 30. h5 gxh5 31. Qh2 Ba4 32. Qxh5 Bxd1 33. Qxh7+ Kc6 34. Kxd1 Qxe3 35. Qh2 Qf3+ 36. Qe2 Qxf4 37. Qa6+ Kc5 38. Qd6+ Kb5 39. Qd7+ Kc5 40. Qd6+ Kb5 41. Qd7+ 1/2-1/2

