[Event "Sao Paulo Hebraica op"]
[Site "Sao Paulo"]
[Date "1999.??.??"]
[Round "1"]
[White "Blank Goncalves, Eduardo"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2054"]
[PlyCount "101"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. h3 g6 4. c4 Bg7 5. Nc3 0-0 6. Bg5 Nbd7 7. e3 Re8 8. Be2 c6 9. 0-0 b6 10. Rc1 Bb7 11. Qb3 c5 12. Rfd1 h6 13. Bh4 Nh5 14. Nb5 a6 15. Nxd6 Qc7 16. Nxe8 Rxe8 17. Ne1 Bf6 18. Bxf6 Nhxf6 19. Bf3 Ne4 20. Qc2 f5 21. Nd3 e5 22. d5 Nd6 23. Be2 Nf6 24. a3 g5 25. b4 e4 26. Ne1 g4 27. hxg4 Nxg4 28. Bxg4 fxg4 29. bxc5 bxc5 30. g3 Qf7 31. Ng2 Re5 32. Nf4 Nf5 33. Rb1 Nd6 34. Rb6 Qc7 35. Rdb1 Bc8 36. Rc6 Qd7 37. Rbb6 Nf7 38. Rg6+ Kh7 39. Qb2 Qc7 40. Rbc6 Qa5 41. Rxc8 Qe1+ 42. Kg2 Qd1 43. Rxa6 Qf3+ 44. Kh2 h5 45. Rc7 Rf5 46. Rxf7+ Rxf7 47. Rh6+ Kxh6 48. Qh8+ Kg5 49. Qxh5+ Kf6 50. Qg6+ Ke7 51. d6+ 1-0

[Event "Sao Paulo Hebraica op"]
[Site "Sao Paulo"]
[Date "1999.??.??"]
[Round "5"]
[White "Grabarz, Mendel"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "A84"]
[PlyCount "57"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. e3 Be7 5. Bd3 0-0 6. 0-0 d5 7. Nc3 c6 8. Bd2 Nbd7 9. b4 Bxb4 10. Rb1 Be7 11. Qb3 Kh8 12. Ng5 Nb8 13. f3 Qe8 14. e4 h6 15. Nh3 fxe4 16. fxe4 Qh5 17. Nf4 Qe8 18. e5 Ne4 19. Nxe4 dxe4 20. Bxe4 Kg8 21. d5 g5 22. Qg3 Bc5+ 23. Kh1 exd5 24. Nxd5 Rxf1+ 25. Rxf1 cxd5 26. Bxg5 Bf8 27. Bxh6+ Kh8 28. Rxf8+ Qxf8 29. Bxf8 1-0

[Event "Sao Paulo Hebraica op"]
[Site "Sao Paulo"]
[Date "1999.??.??"]
[Round "4"]
[White "Koatz, Marcos"]
[Black "Boniface, Carl"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "89"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 c6 3. Nc3 g6 4. Nf3 Bg7 5. g3 Nf6 6. Bg2 d6 7. 0-0 0-0 8. Bd2 Nbd7 9. Rb1 e5 10. e3 e4 11. Ne1 d5 12. cxd5 cxd5 13. Nc2 b6 14. Nb4 Bb7 15. Qb3 Nb8 16. Rbc1 a5 17. Nc2 Ba6 18. Nb5 Qd7 19. a4 Nc6 20. Nca3 Rac8 21. Rc2 Ne7 22. Rfc1 Rxc2 23. Rxc2 Bxb5 24. Nxb5 Qg4 25. Rc7 Nf5 26. Qc3 Qd1+ 27. Bf1 Qxa4 28. Rb7 Qd1 29. Rxb6 Ng4 30. Qc1 Qxc1 31. Bxc1 Rc8 32. Nc3 Bf8 33. Be2 h5 34. h3 Ngh6 35. Bd2 Bb4 36. Rb7 Nd6 37. Rd7 f5 38. Nxd5 Bxd2 39. Ne7+ Kf8 40. Nxc8 Nxc8 41. Rd8+ Ke7 42. Rxc8 Nf7 43. Rc6 Nh8 44. Bc4 Kd7 45. Ra6 1-0

[Event "Sao Paulo Hebraica op"]
[Site "Sao Paulo"]
[Date "1999.??.??"]
[Round "2"]
[White "Koatz, Marcos"]
[Black "Lourenco, Alessandra"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "57"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Nc6 4. Bg2 b6 5. 0-0 e6 6. c3 Be7 7. Nbd2 0-0 8. Re1 Bb7 9. Qc2 Qd7 10. e4 Rad8 11. e5 Ng4 12. h3 Nh6 13. Nf1 Ba6 14. Bxh6 Bxf1 15. Bxf1 gxh6 16. Bd3 Kh8 17. Bxh7 f5 18. exf6 Rxf6 19. Nh2 Rdf8 20. f4 Bd6 21. Bd3 h5 22. Nf3 Rg8 23. Kh2 Qg7 24. Qg2 a5 25. Re2 Ne7 26. Ng5 c5 27. Nxe6 Qf7 28. Ng5 Qf8 29. Bh7 1-0

[Event "Sao Paulo Hebraica op"]
[Site "Sao Paulo"]
[Date "1999.??.??"]
[Round "3"]
[White "Zylberman, Jose Natan"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "139"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bc4 e6 6. Bb3 Nf6 7. Nc3 a6 8. Be3 Be7 9. 0-0 0-0 10. Kh1 Na5 11. f4 Nxb3 12. axb3 Bd7 13. g4 e5 14. Nf5 Bxf5 15. gxf5 Rc8 16. Rg1 Kh8 17. Qf3 Qd7 18. Rad1 Qc6 19. Rg3 b5 20. Rdg1 Rg8 21. R1g2 b4 22. Nd5 Nxd5 23. exd5 Qd7 24. Qh5 g6 25. fxg6 fxg6 26. Rxg6 Rxg6 27. Rxg6 Qe8 28. f5 Qf7 29. Rg5 Qxd5+ 30. Rg2 Rg8 31. Qe2 Qxg2+ 32. Qxg2 Rxg2 33. Kxg2 Kg7 34. Kf3 d5 35. Kg4 d4 36. Bd2 e4 37. Kf4 e3 38. Be1 a5 39. Ke4 Bf6 40. Kd3 Be5 41. h3 Kh6 42. Bh4 Kh5 43. Bd8 h6 44. Bxa5 Kg5 45. Bxb4 Kxf5 46. c3 dxc3 47. bxc3 Kf4 48. Bc5 e2 49. Bf2 Kf3 50. Be1 Bh2 51. c4 Bg1 52. b4 Bf2 53. Bd2 e1Q 54. Bxe1 Bxe1 55. b5 Bb4 56. Kd4 Kg3 57. c5 Kxh3 58. c6 Ba5 59. Kc5 Bc7 60. b6 Bg3 61. c7 h5 62. c8Q+ Kg2 63. b7 h4 64. b8Q Bxb8 65. Qxb8 h3 66. Qg8+ Kh1 67. Qd5+ Kg1 68. Qd4+ Kg2 69. Qg4+ Kh2 70. Kd6 1-0

[Event "BRA-NED corr"]
[Site "Brazil"]
[Date "1997.??.??"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Roos, Piet"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "50"]
[EventDate "1997.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 e5 7. 0-0 Nc6 8. d5 Ne7 9. h3 c6 10. Bg5 h6 11. Bxf6 Bxf6 12. Qd2 Bg5 13. Qd3 c5 14. f4 exf4 15. gxf4 Bf6 16. Kh1 Bd7 17. Ng1 b5 18. Rae1 b4 19. Nd1 Qa5 20. c4 Qxa2 21. e5 Bh4 22. Re2 Nf5 23. Nf3 Ng3+ 24. Kg1 Bf5 25. Qe3 Be7 0-1

[Event "NED-BRS corr"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Roos, Piet"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "49"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3 h6 9. N5f3 c5 10. Bf4 Nbd5 11. Be5 Qa5+ 12. Nd2 b5 13. dxc5 Bxc5 14. c3 0-0 15. Bxd5 Nxd5 16. b4 Bxb4 17. cxb4 Nxb4 18. Nb3 Qb6 19. Nf3 Bb7 20. 0-0 Nc6 21. Bb2 b4 22. Rfd1 Ne7 23. Ne5 Rad8 24. Nd7 Rxd7 25. Rxd7 1-0

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "Cleto, Dirceu Jr"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "93"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3 h6 9. N5f3 c5 10. Bf4 Nbd5 11. Be5 Qa5+ 12. Nd2 b5 13. c4 bxc4 14. Bxc4 Be7 15. Ngf3 0-0 16. 0-0 Bb7 17. Nb3 Qb6 18. dxc5 Bxc5 19. Nxc5 Qxc5 20. Rac1 Qb6 21. b3 Rac8 22. Qb2 Qd8 23. Bxd5 Rxc1 24. Bxb7 Rxf1+ 25. Kxf1 Qd1+ 26. Ne1 Rd8 27. Bf3 Qd2 28. Bxf6 gxf6 29. Qxf6 Rc8 30. Bh5 Rc7 31. f4 a5 32. a4 Qd5 33. Qxh6 Qxb3 34. Qg5+ Kh7 35. f5 Qd5 36. Qh4 Qc4+ 37. Qxc4 Rxc4 38. Bxf7 Rf4+ 39. Nf3 exf5 40. Bb3 Kg7 41. Kf2 Rb4 42. Bc2 Rb2 43. Nd4 Kf6 44. Ke3 Ke5 45. g3 Ra2 46. h4 Ra3+ 47. Bb3 1-0

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "De Souza, Jaldemar Rodrigues"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "57"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. g4 Bg6 6. exd5 cxd5 7. Bb5+ Nc6 8. Ne5 Rc8 9. d4 e6 10. Qe2 Bb4 11. h4 f6 12. Nxg6 hxg6 13. Qxe6+ Qe7 14. Qxe7+ Ngxe7 15. Bd2 Kf7 16. Ne2 Bd6 17. c3 a6 18. Bd3 g5 19. h5 Rce8 20. 0-0-0 Rc8 21. Kb1 Nd8 22. f4 gxf4 23. Bxf4 Bxf4 24. Nxf4 Ndc6 25. Rde1 b5 26. Re6 Rc7 27. Bg6+ Kf8 28. Nxd5 Rd7 29. Nxe7 1-0

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "Ferreira, Oscar Luiz Vieira"]
[Black "Koatz, Marcos"]
[Result "0-1"]
[ECO "B11"]
[PlyCount "52"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Qf3 d4 4. Bc4 Nf6 5. e5 dxc3 6. exf6 exf6 7. Qxc3 Qe7+ 8. Ne2 Be6 9. d4 Bxc4 10. Qxc4 Qb4+ 11. Qxb4 Bxb4+ 12. Bd2 Bd6 13. 0-0-0 Na6 14. Rhe1 0-0-0 15. Bf4 Rhe8 16. Bxd6 Rxd6 17. c3 Rde6 18. Kd2 Nc7 19. Nf4 Rxe1 20. Rxe1 Rxe1 21. Kxe1 Kd7 22. Nh5 Ne8 23. Ke2 Ke6 24. Kf3 f5 25. Nf4+ Ke7 26. h4 Kf6 0-1

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "Ferreira Jr, Waldir"]
[Black "Koatz, Marcos"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "74"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nf3 Be7 8. Rc1 0-0 9. c5 h6 10. Bh4 Ne4 11. Bxe7 Nxc3 12. Rxc3 Qxe7 13. a3 Qf6 14. Bb5 Bd7 15. 0-0 Rad8 16. b4 a5 17. Bxc6 Bxc6 18. Ne5 axb4 19. axb4 Bb5 20. Rf3 Qh4 21. Re1 Ra8 22. Qd2 Qg5 23. Qxg5 hxg5 24. h3 Ra4 25. Rg3 f6 26. Nf3 Kf7 27. Rb1 Rfa8 28. h4 gxh4 29. Nxh4 g5 30. Nf3 Ra1 31. Rxa1 Rxa1+ 32. Kh2 Rb1 33. Nd2 Rb2 34. Nf3 Rxb4 35. Rg4 e5 36. Kh3 e4 37. Nh2 Rxd4 0-1

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Alves, Lair Valio"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "46"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Bb7 8. Nge2 Nxd5 9. 0-0 Nxc3 10. Nxc3 e6 11. e4 Bxe4 12. Bxd7+ Nxd7 13. Nxe4 Qa6 14. Bf4 e5 15. Be3 f5 16. Nc3 Nf6 17. Nd5 0-0-0 18. Qf3 Rxd5 19. Qxf5+ Kb8 20. Rfd1 Qc6 21. Rdc1 e4 22. Qh3 Bd6 23. Bd4 Rxd4 0-1

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Pereira, Jorge Anacleto Vive"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "78"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bb3 Bf5 7. Qf3 e6 8. Ne2 Nc6 9. Be3 a5 10. a3 Be7 11. Qg3 Qd7 12. Nbc3 0-0-0 13. Rc1 f6 14. 0-0 h5 15. d5 Nxd5 16. Rfd1 h4 17. Qf3 Nxe5 18. Qxf5 exf5 19. Nxd5 Kb8 20. Rxc7 Qxc7 21. Nxc7 Rxd1+ 22. Bxd1 Kxc7 23. Nd4 g6 24. Nb5+ Kd7 25. Ba4 Nd3 26. Nc3+ Ke6 27. Bb3+ Kd6 28. Nb5+ Kc6 29. Na7+ Kd7 30. Ba4+ Ke6 31. Bb3+ Ke5 32. Bd2 Bc5 33. Nb5 Nxf2 34. Kf1 Ne4 35. Bxa5 b6 36. Be1 h3 37. g3 Rd8 38. Ke2 Bg1 39. Nc3 Bxh2 0-1

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Suzuki, Ernesto K"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "65"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e4 Bc5 4. h3 d6 5. d3 c6 6. Nf3 h6 7. Be2 0-0 8. 0-0 Re8 9. Na4 Bb6 10. Qc2 Nbd7 11. b4 a5 12. Nxb6 Qxb6 13. bxa5 Qxa5 14. a4 Nc5 15. Bd2 Qc7 16. a5 Be6 17. Be3 Rxa5 18. Rxa5 Qxa5 19. Qb2 Nfd7 20. Ra1 Qc7 21. Nh4 d5 22. exd5 cxd5 23. cxd5 Bxd5 24. Rc1 b6 25. Nf5 Qc6 26. d4 exd4 27. Bxd4 Qg6 28. g4 Nb3 29. Rc8 Rxc8 30. Ne7+ Kh7 31. Nxg6 Kxg6 32. Kh2 Rb8 33. Kg3 1/2-1/2

[Event "BRA TCS-F corr"]
[Site "Brazil CXEB"]
[Date "1995.09.01"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Zuchowski Filho, Edmundo"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "74"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bg5 Ne4 4. Bf4 Bg7 5. f3 Nf6 6. e4 0-0 7. Nc3 d6 8. Nge2 Nc6 9. Qd2 e5 10. d5 Na5 11. Bg5 Nxc4 12. Qc2 h6 13. Bc1 Nb6 14. g4 c6 15. dxc6 bxc6 16. Ng3 Be6 17. Be3 d5 18. Bc5 Re8 19. Bd3 Nbd7 20. Bf2 d4 21. Nce2 Qa5+ 22. Qd2 Qxd2+ 23. Kxd2 Reb8 24. Rhb1 c5 25. b3 a5 26. Nc1 a4 27. Bc4 axb3 28. axb3 Rxa1 29. Rxa1 Bxc4 30. bxc4 Rb2+ 31. Ke1 Rc2 32. Nge2 Nb6 33. Kd1 Rxc4 34. Nd3 Nfd7 35. f4 exf4 36. Nexf4 Rc3 37. Kd2 c4 0-1

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "Alves, Lair Valio"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "72"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. c5 Be7 8. Bb5 Bd7 9. 0-0 0-0 10. Bf4 a6 11. Ba4 Re8 12. Re1 Nh5 13. Bd2 g6 14. Ne2 e5 15. Bxc6 bxc6 16. Nxe5 Bf6 17. Nf4 Ng7 18. Nfd3 Nf5 19. Qa4 Qc8 20. Bf4 Re6 21. Nxd7 Qxd7 22. Rxe6 Qxe6 23. Re1 Qd7 24. Ne5 Bxe5 25. Bxe5 Re8 26. Kf1 Qb7 27. b3 Re6 28. g4 Nh4 29. Qa5 Qc8 30. Re3 f6 31. Qc7 Qxc7 32. Bxc7 Rxe3 33. fxe3 Nf3 34. Bf4 Nd2+ 35. Ke2 Ne4 36. Kd3 Kf7 1-0

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "De Oliveira, Marcio Barbosa"]
[Black "Koatz, Marcos"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "54"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 e6 7. N1f3 Bd6 8. 0-0 h6 9. Ne4 Nxe4 10. Bxe4 0-0 11. c3 Nf6 12. Bc2 c5 13. Be3 Qc7 14. dxc5 Bxc5 15. Bxc5 Qxc5 16. Re1 Bd7 17. Qd4 Qxd4 18. Nxd4 Rac8 19. Rad1 Bc6 20. Nxc6 Rxc6 21. Rd2 g6 22. Bd1 Rc7 23. Bf3 b6 24. g3 Kg7 25. Red1 Re8 26. Rd6 Rec8 27. Kg2 Rc5 1/2-1/2

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Cleto, Dirceu Jr"]
[Result "0-1"]
[ECO "D67"]
[PlyCount "90"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nc3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 b6 12. 0-0 Bb7 13. Qd2 e5 14. Ng3 e4 15. Ne1 Rae8 16. Nc2 N7f6 17. Qe2 Bc8 18. h3 Bd7 19. a3 a5 20. Nh5 Qd6 21. Nxf6+ Nxf6 22. b4 Ra8 23. b5 Rac8 24. a4 cxb5 25. Bxb5 Nd5 26. Bxd7 Qxd7 27. Na3 Qxa4 28. Nb5 Rxc1 29. Rxc1 f5 30. Qc4 Qxc4 31. Rxc4 Ra8 32. Rc2 a4 33. Na3 Kf7 34. Kf1 Ke7 35. Ke2 b5 36. Nxb5 a3 37. Nxa3 Rxa3 38. Kd2 f4 39. exf4 Rd3+ 40. Ke1 Nxf4 41. Rc7+ Kf6 42. Rc6+ Ne6 43. Ke2 Ke7 44. Rc4 Nf4+ 45. Ke1 Nxg2+ 0-1

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Ferreira Jr, Waldir"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "77"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. Nxd5 Be6 10. Bd3 Bxd5 11. exd5 Re8+ 12. Ne2 Nbd7 13. 0-0 Ne5 14. Rae1 Nxd3 15. Qxd3 Qb6 16. b3 Nd7 17. f4 a5 18. Nc3 Nf6 19. h3 Qc7 20. Nb5 Qd7 21. f5 Rxe1 22. Rxe1 Re8 23. Rxe8+ Nxe8 24. fxg6 hxg6 25. Bf4 Qe7 26. Qd2 b6 27. Qe3 Qxe3+ 28. Bxe3 Bf6 29. Na7 Bd8 30. Bf4 f6 31. Nc8 Bc7 32. h4 Kf7 33. Kf2 f5 34. Kf3 Kf6 35. g4 Kg7 36. gxf5 gxf5 37. h5 Kf6 38. Kg3 Kg7 39. Bg5 1-0

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Pulsy, Antonio C"]
[Result "1-0"]
[ECO "E49"]
[PlyCount "47"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nge2 d5 7. cxd5 exd5 8. a3 Bxc3+ 9. bxc3 c4 10. Bc2 Nc6 11. h3 Be6 12. Nf4 Qc7 13. 0-0 Ne7 14. f3 Bf5 15. g4 Bxc2 16. Qxc2 g5 17. Ne2 h6 18. e4 Ng6 19. e5 Nh7 20. f4 gxf4 21. Bxf4 Nxf4 22. Nxf4 Qd7 23. Nh5 Rfe8 24. Qxh7+ 1-0

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Santos, Ivan Barros"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "59"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 d5 6. Qc2 dxc4 7. e4 c5 8. d5 exd5 9. exd5 Nxd5 10. Bxc4 Be7 11. Qb3 Nxc3 12. Bxf7+ Kf8 13. bxc3 Bxf3 14. gxf3 Bf6 15. 0-0 Qd7 16. Qd5 Qxf7 17. Qxa8 Be5 18. Be3 Qg6+ 19. Kh1 Qc6 20. Qxc6 Nxc6 21. Rac1 Kf7 22. Rfd1 Ke6 23. f4 Bf6 24. Rd3 c4 25. Rdd1 Re8 26. Kg2 Be7 27. Re1 Kf5 28. a4 Bf6 29. Kf3 Rd8 30. Red1 1-0

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Suzuki, Ernesto K"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "70"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. e3 Nbd7 6. Nf3 h6 7. Bh4 Be7 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 a6 11. 0-0 c5 12. a4 b4 13. Ne4 cxd4 14. Nxd4 Bb7 15. Nxf6+ Nxf6 16. Rc1 Rc8 17. Qe2 Qb6 18. Rxc8+ Bxc8 19. a5 Qb7 20. Rc1 Nd5 21. Bg3 Bd8 22. Nc6 0-0 23. h4 Qa8 24. Nxb4 Nxb4 25. Bb1 Be7 26. Be5 Qd5 27. Bc3 Bb7 28. Qg4 e5 29. Rd1 Qb5 30. Qh5 Qxa5 31. g4 Rd8 32. Re1 Qd5 33. e4 Qe6 34. Rc1 Nc6 35. f3 Bc8 1/2-1/2

[Event "BRA TCS-E corr"]
[Site "Brazil CXEB"]
[Date "1995.07.14"]
[Round "?"]
[White "Massardi, Manoel L"]
[Black "Koatz, Marcos"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "62"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 Bg4 5. Ne5 Bh5 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 e6 9. b4 Nbd7 10. Nxd7 Nxd7 11. b5 Be7 12. bxc6 bxc6 13. Be3 0-0 14. Bd2 e5 15. e3 exd4 16. exd4 Bf6 17. Be3 Rfe8 18. Be2 Bg6 19. b4 a5 20. b5 Nxc5 21. Ra3 cxb5 22. Nxb5 Ne6 23. 0-0 Nxd4 24. Nxd4 Bxd4 25. Bb5 Reb8 26. Bc6 Bb2 27. Ra2 Ra6 28. Bxd5 Bc3 29. Bf4 Rb2 30. Ra3 Bb4 31. Re3 h6 0-1

[Event "BRA TCS-C-0025 corr"]
[Site "Brazil CXEB"]
[Date "1994.07.16"]
[Round "?"]
[White "De Polli, Giovanni J"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "53"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 g6 4. Be3 Qb6 5. b3 h5 6. h3 Nh6 7. Nf3 Bg7 8. Nc3 a5 9. Be2 Na6 10. 0-0 Bf5 11. Qd2 e6 12. Nh2 0-0-0 13. g4 hxg4 14. hxg4 Rdg8 15. g5 Bh3 16. gxh6 Bf8 17. Rfc1 g5 18. Na4 Qd8 19. Bxa6 bxa6 20. Qe2 Kb7 21. Qh5 Bf5 22. Qxf7+ Ka8 23. Qd7 Qxd7 24. Nb6+ Ka7 25. Nxd7 Bxh6 26. Nf6 Rg6 27. Nhg4 1-0

[Event "BRA TCS-C-0025 corr"]
[Site "Brazil CXEB"]
[Date "1994.07.16"]
[Round "?"]
[White "Duarte, Edson N"]
[Black "Koatz, Marcos"]
[Result "0-1"]
[ECO "B18"]
[PlyCount "76"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Bd6 8. h4 h6 9. Nf4 Bh7 10. Nfh5 g6 11. Nf5 gxf5 12. Ng7+ Kf8 13. Nh5 Nd7 14. Bd2 Ndf6 15. Nxf6 Qxf6 16. Rh3 Ne7 17. c3 f4 18. Qf3 Bf5 19. Rh1 h5 20. Bxf4 Bg4 21. Bg5 Qxf3 22. gxf3 Bxf3 23. Rh3 Bg4 24. Rh1 Nd5 25. Kd2 b5 26. Bd3 f6 27. Be3 Nxe3 28. fxe3 Ke7 29. Raf1 f5 30. e4 Rhf8 31. e5 Bc7 32. Ke3 Kd7 33. b3 Rf7 34. Kf4 Ba5 35. b4 Bd8 36. a3 Be7 37. Rh2 Bf8 38. Ra2 Bh6+ 0-1

[Event "BRA TCS-C-0025 corr"]
[Site "Brazil CXEB"]
[Date "1994.07.16"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Cleto, Dirceu Jr"]
[Result "0-1"]
[ECO "E04"]
[PlyCount "50"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. a4 c5 7. Qc2 cxd4 8. Qxc4 Nc6 9. 0-0 Qd5 10. Qd3 Nb4 11. Qd1 e5 12. Bg5 Be7 13. Na3 Nc6 14. Nh4 Qe6 15. e3 0-0 16. Nc2 Rd8 17. exd4 Nxd4 18. Nxd4 Rxd4 19. Qe2 e4 20. f3 Bd7 21. Be3 Rb4 22. fxe4 Nxe4 23. Nf5 Bf6 24. Bc1 Bxa4 25. Ra3 Bb5 0-1

[Event "BRA TCS-C-0025 corr"]
[Site "Brazil CXEB"]
[Date "1994.07.16"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Costa, Carlos Evanir"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "52"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 Nbd7 6. Nf3 0-0 7. 0-0 e5 8. e4 c6 9. h3 Qb6 10. Rb1 Qb4 11. Re1 Qxc4 12. d5 cxd5 13. Bf1 Qc7 14. Nb5 Qc6 15. exd5 Nxd5 16. Bg5 N7b6 17. Rc1 Qd7 18. Be3 Nxe3 19. fxe3 d5 20. Kh2 e4 21. Nfd4 Be5 22. Nc3 h5 23. h4 Qd6 24. Nce2 Bg4 25. Qb3 Qf6 26. Bg2 Qxh4+ 0-1

[Event "BRA TCS-C-0025 corr"]
[Site "Brazil CXEB"]
[Date "1994.07.16"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "De Medeiros, Jovany Luis Alves"]
[Result "0-1"]
[ECO "D55"]
[PlyCount "32"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bxf6 Bxf6 7. Rc1 c6 8. Nf3 0-0 9. Qb3 Nd7 10. Be2 Rb8 11. Qa3 dxc4 12. Bxc4 b5 13. Bxb5 cxb5 14. Qxa7 Bb7 15. e4 b4 16. Ne2 Bxe4 0-1

[Event "BRA TCS-C-0025 corr"]
[Site "Brazil CXEB"]
[Date "1994.07.16"]
[Round "?"]
[White "Van Eunen, Joao Bosco"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "71"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3 h6 9. N5f3 c5 10. Be3 Qc7 11. Ne5 Bd6 12. Ngf3 0-0 13. 0-0 Nbd5 14. c3 Nxe3 15. fxe3 b6 16. Bc2 Bb7 17. e4 Rac8 18. Rac1 Nh5 19. g3 g6 20. Ng4 Kg7 21. Qe3 Rh8 22. e5 Be7 23. a3 Qd7 24. Be4 Ba6 25. Rfd1 cxd4 26. cxd4 f5 27. exf6+ Nxf6 28. Nge5 Qd6 29. Rxc8 Rxc8 30. Bxg6 Nd5 31. Qd2 Qc7 32. Bf7 Qd6 33. Rc1 b5 34. Rxc8 Bxc8 35. Qc2 Bb7 36. Qg6+ 1-0

[Event "BRA corr"]
[Site "Brazil"]
[Date "1993.??.??"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Kover, Warner Bruce"]
[Result "1/2-1/2"]
[ECO "A10"]
[PlyCount "56"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. e4 d6 4. d3 Nc6 5. f4 e5 6. Nf3 Bg4 7. Be2 Qd7 8. 0-0 0-0-0 9. Qa4 f5 10. Be3 a6 11. h3 exf4 12. Bxf4 Bxf3 13. Bxf3 Bd4+ 14. Kh1 Nge7 15. exf5 gxf5 16. Ne2 Bf6 17. Rab1 Ne5 18. Qxd7+ Rxd7 19. Nc1 N7g6 20. Bd5 Re8 21. Bg3 c6 22. Rxf5 cxd5 23. Rxf6 dxc4 24. dxc4 Nxc4 25. Nd3 Re3 26. Rf3 Rxf3 27. gxf3 Nce5 28. Nxe5 dxe5 1/2-1/2

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Alvarenga, Reynaldo Augusto Fe"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "A89"]
[PlyCount "85"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d4 0-0 6. c4 d6 7. Nc3 Nc6 8. d5 Na5 9. Qa4 c5 10. dxc6 Nxc6 11. Ng5 h6 12. Nh3 Bd7 13. c5 Na5 14. Qh4 Ng4 15. Nd5 e6 16. Qxd8 Raxd8 17. Ne7+ Kf7 18. cxd6 Bb5 19. Nf4 Rxd6 20. Nexg6 Rfd8 21. h3 e5 22. hxg4 exf4 23. gxf5 Bxe2 24. Bxf4 Bxf1 25. Bxd6 Rxd6 26. Rxf1 Bxb2 27. Re1 Rd2 28. Kf1 Kf6 29. Re6+ Kg7 30. Nf4 Bd4 31. Re2 Rd1+ 32. Re1 Rxe1+ 33. Kxe1 Kf6 34. g4 b5 35. Nh5+ Kg5 36. Bf3 b4 37. Bd1 Nc6 38. f4+ Kh4 39. f6 Nd8 40. Ke2 a5 41. Kf3 Bc5 42. Ng3 Nf7 43. Kg2 1-0

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Cirello, Luiz Fernando"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "61"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 0-0 8. Be2 Re8 9. Bf3 e6 10. Bg5 Qa5 11. Bxf6 Bxf6 12. Nge2 exd5 13. 0-0 Nc6 14. Bxd5 Re7 15. Rad1 Nb4 16. Bc4 Bf5 17. a3 Bc2 18. Qxb4 Qxb4 19. axb4 Bxd1 20. Rxd1 Rd8 21. Kf1 Kg7 22. b5 Red7 23. d5 Kf8 24. Ra1 b6 25. Rd1 Ke7 26. b3 Kd6 27. Ne4+ Ke5 28. f3 h6 29. Nd4 Kf4 30. Nc6 Rc8 31. Kf2 1-0

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Giffoni, Sergio TA"]
[Black "Koatz, Marcos"]
[Result "1/2-1/2"]
[ECO "A89"]
[PlyCount "50"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 d6 3. Bg2 Nf6 4. Nf3 g6 5. 0-0 Bg7 6. c4 0-0 7. Nc3 Nc6 8. Bg5 h6 9. Bxf6 Bxf6 10. Qd2 Kh7 11. Nd5 Bg7 12. Rad1 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. f4 Bg7 16. e4 fxe4 17. Bxe4 Bf5 18. Bxf5 Rxf5 19. Rfe1 Rf7 20. Re3 g5 21. Qd3+ Kg8 22. Rde1 c6 23. Ne7+ Kf8 24. Ng6+ Kg8 25. fxg5 Qxg5 1/2-1/2

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Hirsch, Nelson"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "55"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. Nbd4 0-0 11. Bxc6 bxc6 12. c3 Bg4 13. h3 Bh5 14. Re1 Qb6 15. Qe2 c5 16. Nb3 Nc6 17. Be3 f5 18. Rad1 Ne5 19. Rxd5 Rae8 20. Qd2 Bxf3 21. Rxd6 Qc7 22. Bxc5 Be4 23. Rd4 Rf6 24. Bd6 Rxd6 25. Rxd6 Nc4 26. Rd7 Qc6 27. Qd4 Ne5 28. Rd8 1-0

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Koatz, Marcos"]
[Black "Choma, Alexander Pedro"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "42"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 d5 8. 0-0 b6 9. h3 Ba6 10. Nh4 dxe4 11. Bxe4 Bb7 12. Be3 Nd5 13. Bd2 0-0 14. a4 Nd4 15. Bg2 Qd7 16. Ne4 Nc6 17. g4 Qe7 18. Qe1 Nd4 19. Rc1 f5 20. Ng5 Rae8 21. Qg3 Ne2+ 0-1

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Koatz, Marcos"]
[Black "Da Silva, Paulo Florencio"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "98"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. g3 d5 5. e5 g5 6. Nf3 gxf4 7. gxf4 Be7 8. Ne2 Nh6 9. Bh3 Rg8 10. Rg1 Rxg1+ 11. Nfxg1 Qb6 12. Nf3 Bd7 13. c3 0-0-0 14. Qc2 f5 15. exf6 Bxf6 16. Qxh7 Rh8 17. Qg6 Qd8 18. Qc2 Nf7 19. Bg4 Bh4+ 20. Kd1 Bf6 21. d4 Qg8 22. h3 c4 23. Ne5 Ne7 24. Nxd7 Kxd7 25. Qa4+ Nc6 26. b4 Nh6 27. Bf3 Qg6 28. Qc2 Nf5 29. Bg4 Rh4 30. a3 b5 31. a4 a6 32. axb5 axb5 33. Ra2 Qh7 34. Ng1 Qg6 35. Nf3 Rh8 36. Ng5 Bxg5 37. fxg5 Rxh3 38. Bxh3 Qh5+ 39. Qe2 Qxh3 40. Bd2 Nfxd4 41. Qe3 Qh1+ 42. Be1 Qh5+ 43. Kc1 Nb3+ 44. Kb2 Qd1 45. Ra7+ Nxa7 46. Qxa7+ Ke8 47. Qb8+ Kf7 48. Qf4+ Kg6 49. Qf6+ Kh5 1/2-1/2

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Koatz, Marcos"]
[Black "Feitosa, Roberto SL"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "54"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 e6 7. d3 Nge7 8. 0-0 0-0 9. h3 Rb8 10. g4 b5 11. Rb1 a5 12. Ne2 Nd4 13. Nfxd4 cxd4 14. Bd2 b4 15. Ng3 f5 16. exf5 gxf5 17. g5 Ng6 18. Nh5 h6 19. Nxg7 Kxg7 20. gxh6+ Kxh6 21. Qe1 Rg8 22. Kh2 Nh4 23. Bh1 Bb7 24. Qxe6+ Rg6 25. Qe1 Bxh1 26. Kxh1 Rb7 27. Rg1 Rxg1+ 0-1

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Koatz, Marcos"]
[Black "Fenner Filho, Homero"]
[Result "0-1"]
[ECO "C13"]
[PlyCount "88"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 Nd7 8. Bc4 Nb6 9. Bb3 Rg8 10. g3 f5 11. Ned2 Bd7 12. Ne5 Bd6 13. Ndf3 Qf6 14. Qe2 0-0-0 15. 0-0-0 Kb8 16. Nxd7+ Nxd7 17. Qb5 f4 18. Qh5 Rg6 19. Ne5 Nxe5 20. dxe5 Rg5 21. Qxh7 Rxe5 22. Qd3 f3 23. Qc3 Rf5 24. Qxf6 Rxf6 25. c4 Kc8 26. a4 Bc5 27. Rxd8+ Kxd8 28. Rf1 Kd7 29. Rd1+ Kc6 30. Rf1 Bd4 31. Bc2 Kc5 32. b3 c6 33. Be4 a6 34. Kc2 e5 35. h4 b5 36. axb5 axb5 37. cxb5 Kxb5 38. h5 c5 39. Bd5 Kb4 40. h6 Rxh6 41. Bxf3 Rh2 42. Bd5 Bxf2 43. Kd3 f5 44. Ra1 e4+ 0-1

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Koatz, Marcos"]
[Black "Machado, Paulo Cesar Miranda"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "88"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Ng3 0-0-0 14. Qxc3 Nf5 15. Nh5 Ncd4 16. Qxc7+ Kxc7 17. Ra2 Rh8 18. g4 Nh4 19. Be3 Ndf3+ 20. Kf2 d4 21. Bc1 Bc6 22. Bd3 Nxe5 23. fxe5 Bxh1 24. h3 Bd5 25. Ra1 Rc8 26. Bg5 Ng6 27. Bf6 Rhg8 28. Kg3 Kb8 29. Rb1 Rc3 30. Rb4 Rxa3 31. Rxd4 Rc8 32. Kf2 Ra2 33. Ke3 a5 34. Nf4 Nxf4 35. Kxf4 a4 36. Be7 b6 37. h4 Ra1 38. h5 Bc6 39. Rb4 Ka7 40. h6 Rh1 41. h7 Re8 42. Bd6 Kb7 43. Bc5 b5 44. Rb2 Kc7 1/2-1/2

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Koatz, Marcos"]
[Black "Madeu, Fernando A de Barro"]
[Result "0-1"]
[ECO "C92"]
[PlyCount "62"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[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 Bb7 10. d4 Na5 11. Bc2 Nc4 12. b3 Nb6 13. dxe5 dxe5 14. Qxd8 Raxd8 15. Bg5 Nbd7 16. Nbd2 Rfe8 17. Nf1 h6 18. Nh4 hxg5 19. Nf5 Bc5 20. a4 g6 21. N5e3 Nxe4 22. c4 b4 23. Ng4 Nc3 24. Rac1 f5 25. Nge3 e4 26. Nd1 Nxd1 27. Rcxd1 Ne5 28. Ne3 f4 29. Ng4 Nxg4 30. hxg4 Kg7 31. Kf1 e3 0-1

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Nevio, Joao"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "77"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Bd2 c4 9. a4 Nbc6 10. Be2 h6 11. 0-0 Bd7 12. Qb1 Qc7 13. Ra2 0-0 14. Rb2 Na5 15. Qa2 b6 16. Qa3 Ng6 17. Re1 f6 18. h4 f5 19. h5 Nh8 20. Qe7 Qd8 21. Qxd8 Raxd8 22. Ra1 g5 23. hxg6 Kg7 24. Nh4 Nxg6 25. Nxg6 Kxg6 26. g3 Rh8 27. Kg2 h5 28. Kh3 Rdf8 29. Rbb1 Nb7 30. Rh1 Rf7 31. Kg2 Rfh7 32. Rh4 Kf7 33. Bg5 Kg6 34. Bf6 Rg8 35. Rah1 Kf7 36. Rxh5 Rxh5 37. Rxh5 Kg6 38. Rh4 f4 39. Bh5+ 1-0

[Event "BRA CBI-C-VIII-S-0005 corr"]
[Site "ICCF corr"]
[Date "1990.09.01"]
[Round "1"]
[White "Rezende, Josino Fernando Mel"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "59"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Bc4 e6 5. Nf3 g6 6. d3 Bg7 7. f5 exf5 8. 0-0 Nge7 9. Ng5 Ne5 10. exf5 Bxf5 11. Bb5+ N7c6 12. h3 0-0 13. g4 Bd7 14. Nge4 Qh4 15. Kg2 Qe7 16. Nd5 Qd8 17. Bg5 Qa5 18. Nxd6 Be6 19. Bxc6 bxc6 20. Nf6+ Kh8 21. Qe1 Qxe1 22. Raxe1 Nd7 23. Rxe6 fxe6 24. Nxd7 Rxf1 25. Kxf1 Bxb2 26. Nxc5 Rb8 27. Nxe6 Bc3 28. d4 Rb1+ 29. Kg2 Rb2 30. Nf7+ 1-0

[Event "BRA CBI-A corr"]
[Site "Brazil CXEB"]
[Date "1990.05.09"]
[Round "?"]
[White "Da Fonseca, Dirceu Bueno"]
[Black "Koatz, Marcos"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "88"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 0-0 8. Bd3 f5 9. exf6 Rxf6 10. Bg5 Rf7 11. Qh4 h6 12. Nf3 c4 13. Bg6 Nxg6 14. Bxd8 Nxh4 15. Bxh4 Nc6 16. 0-0 Bd7 17. Bg3 Raf8 18. a4 Rxf3 19. gxf3 Rxf3 20. Ra3 Nxd4 21. Kg2 Nxc2 22. Kxf3 Nxa3 23. Rc1 e5 24. Bxe5 Bf5 25. Kf4 Bd3 26. Bb8 b5 27. Bxa7 bxa4 28. Ra1 Nb5 29. Rxa4 Nxc3 30. Ra5 Kf7 31. Bd4 Ne2+ 32. Ke3 Nxd4 33. Kxd4 Be4 34. Ra3 Kf6 35. f3 Bd3 36. Kxd5 Kf5 37. Ra7 g6 38. Rh7 h5 39. Kd4 Kf4 40. Rf7+ Bf5 41. Kxc4 Kxf3 42. Rb7 Kg2 43. Rb2+ Kh3 44. Kd4 Bd7 1/2-1/2

[Event "BRA CBI-A corr"]
[Site "Brazil CXEB"]
[Date "1990.05.09"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Carbonaro, Eli RP"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "31"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. g3 d5 5. d3 Nge7 6. Bg2 g6 7. Nf3 Bg7 8. 0-0 0-0 9. h3 a6 10. g4 b5 11. e5 Bb7 12. Ne2 d4 13. Ng3 Nb8 14. Ne4 Nd7 15. Nd6 Bc6 16. Qe1 1-0

[Event "BRA CBI-A corr"]
[Site "Brazil CXEB"]
[Date "1990.05.09"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Costa, Berto Jose"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "66"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. 0-0 0-0 9. h3 b6 10. Ne2 Bb7 11. g4 f5 12. c3 Qd7 13. Ng3 fxg4 14. hxg4 d5 15. e5 Bh6 16. Nh2 Rf7 17. g5 Bg7 18. Ng4 Raf8 19. Nf6+ Bxf6 20. gxf6 Nf5 21. Nxf5 exf5 22. Qe1 Re8 23. Qg3 Kh8 24. Be3 d4 25. Bf2 dxc3 26. bxc3 Nd8 27. d4 Bxg2 28. Qxg2 Ne6 29. Be3 cxd4 30. cxd4 Rd8 31. Rfd1 Nc7 32. Rac1 Nd5 33. Rc4 Nxe3 0-1

[Event "BRA CBI-A corr"]
[Site "Brazil CXEB"]
[Date "1990.05.09"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Dos Santos Galvao, Luiz Carlos"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "68"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. d3 e5 7. Nf3 Nge7 8. 0-0 0-0 9. h3 Rb8 10. g4 f5 11. gxf5 gxf5 12. Nh4 Bf6 13. Nxf5 Kh8 14. Nh6 exf4 15. Bxf4 Ng6 16. Be3 Be6 17. Ng4 Bxg4 18. Qxg4 Rg8 19. Qe6 Bd4 20. Nd5 Nh4 21. Rf2 Rg6 22. Qf7 Qg8 23. Qxg8+ Rbxg8 24. Bxd4+ Nxd4 25. Nf4 Rf6 26. Raf1 Rxf4 27. Rxf4 Ne2+ 28. Kh1 Nxf4 29. Rxf4 Nxg2 30. Rf7 Ne1 31. Rf2 h5 32. Rf5 Rg3 33. Rxh5+ Kg7 34. Rd5 Nf3 0-1

[Event "BRA CBI-A corr"]
[Site "Brazil CXEB"]
[Date "1990.05.09"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Schuster, Mario Cesar Juck"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "52"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Bc2 0-0 13. a3 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. h3 d4 17. Bg5 Bd7 18. Nf4 Rae8 19. Bxf6 Qxf6 20. Nd5 Qh4 21. Qd2 Be6 22. Nb4 Bf4 23. Qd3 a5 24. Bb3 axb4 25. Bxe6+ Rxe6 26. g3 Qxh3 0-1

[Event "BRA CBI-A corr"]
[Site "Brazil CXEB"]
[Date "1990.05.09"]
[Round "?"]
[White "Teixeira, Fernando Cesar Mart"]
[Black "Koatz, Marcos"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "41"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. c4 c5 2. g3 b6 3. Bg2 Nc6 4. Nf3 Nf6 5. 0-0 a6 6. d4 cxd4 7. Nxd4 Bb7 8. Nc3 Qc7 9. Nd5 Nxd5 10. cxd5 Nxd4 11. Qxd4 Rb8 12. Bf4 d6 13. Rac1 Qd8 14. Be3 Ba8 15. Qa4+ b5 16. Qxa6 g6 17. Ba7 Rb7 18. Bd4 f6 19. Bh3 Rb8 20. Ba7 Bh6 21. Bxb8 1-0

[Event "BRA corr"]
[Site "Brazil"]
[Date "1985.??.??"]
[Round "?"]
[White "Koatz, Marcos"]
[Black "Agustoni, Alessandro"]
[Result "0-1"]
[ECO "C19"]
[PlyCount "58"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8. a4 Qa5 9. Qd2 Bd7 10. Bd3 f6 11. exf6 gxf6 12. 0-0 c4 13. Be2 0-0-0 14. Ba3 Qc7 15. a5 e5 16. Qh6 Ng6 17. g3 Bf5 18. Ra2 Rhg8 19. Nh4 Qd7 20. Nxg6 hxg6 21. Rb1 Rh8 22. Qd2 Qh7 23. h4 g5 24. Kg2 gxh4 25. g4 Rhg8 26. f3 exd4 27. cxd4 h3+ 28. Kh1 Rxg4 29. fxg4 Be4+ 0-1

