[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Bezerra, Elmo M"]
[Black "dos Santos, Wilson M"]
[Result "0-1"]
[ECO "D89"]
[PlyCount "48"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8.
Ne2 Nc6 9. Be3 cxd4 10. cxd4 O-O 11. O-O Bg4 12. f3 Na5 13. Bd3 Be6 14. Qa4 a6
15. d5 Bxa1 16. Rxa1 f6 17. Qb4 b5 18. Bc5 Nc6 19. Qa3 b4 20. Qb3 Bf7 21. Rd1
a5 22. f4 Qc7 23. Be3 Nd8 24. Qb2 Nb7 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Coelho, Joao L"]
[Black "Nogueira, Paulo S V"]
[Result "1-0"]
[ECO "E20"]
[PlyCount "71"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 d5 5. cxd5 Bxc3 6. Bxc3 Qxd5 7. Nf3 Nbd7
8. Ne5 O-O 9. Qd3 Ne4 10. Nxd7 Bxd7 11. Bb4 Rfd8 12. b3 Bb5 13. Qe3 Qxd4 14.
Qxd4 Rxd4 15. Be7 Rd7 16. Bh4 f6 17. f3 Nc3 18. a4 Ba6 19. e4 Bxf1 20. Rxf1
Rad8 21. Rc1 Rd1+ 22. Rxd1 Rxd1+ 23. Kf2 Rd2+ 24. Ke3 Rb2 25. Kd3 Na2 26. Rf2
Rxb3+ 27. Kc2 Rb6 28. Rd2 Rd6 29. Rxd6 cxd6 30. Be1 Kf7 31. Kb2 d5 32. exd5
exd5 33. Kxa2 Ke6 34. Kb3 Ke5 35. Kc3 f5 36. Bf2 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Madeira, Wagner M"]
[Black "Nogueira, Paulo S V"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "49"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. O-O d6 6. Nxd4 Ne5 7. Bb3 Nf6 8. f4
Ng6 9. Qd3 Be7 10. Nf3 Bd7 11. e5 Nh5 12. e6 Bxe6 13. Bxe6 d5 14. Bxd5 Nhxf4
15. Bxf4 Nxf4 16. Bxf7+ Kxf7 17. Ne5+ Ke6 18. Rxf4 Qxd3 19. Nxd3 Bd6 20. Re4+
Kf5 21. Nc3 a6 22. Rf1+ Kg6 23. Rg4+ Kh7 24. Rf7 Rhg8 25. Ne4 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Madeira, Wagner M"]
[Black "Pires, Geraldo R"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "48"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. Bc4 Na5 10. Bb3 Nxb3 11. axb3 a6 12. h4 h5 13. Bh6 Qc7 14. O-O-O Kh7 15.
Bxg7 Kxg7 16. g4 Rh8 17. gxh5 Rxh5 18. Nde2 Bd7 19. Nf4 Ra5 20. Kb1 Bc6 21. h5
e5 22. hxg6 fxg6 23. Rdg1 Kf7 24. Rh7+ Nxh7 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Moreira, Mauricio S F"]
[Black "Nogueira, Paulo S V"]
[Result "1-0"]
[ECO "C26"]
[PlyCount "41"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. d3 d5 5. exd5 Nxd5 6. Bg2 c6 7. Nf3 Bb4 8. Bd2
Qb6 9. Nxe5 Bxc3 10. bxc3 Qc5 11. d4 Qe7 12. O-O O-O 13. Re1 Qf6 14. c4 Nb6 15.
c5 N6d7 16. Bf4 Na6 17. c3 Re8 18. Ng4 Rxe1+ 19. Qxe1 Qg6 20. Qe8+ Nf8 21. Bd6
1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Moreira, Mauricio S F"]
[Black "Madeira, Wagner M"]
[Result "0-1"]
[ECO "A60"]
[PlyCount "88"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. d6 Bg7 7. e4 O-O 8. Nf3
Re8 9. Qd3 b5 10. Bg5 c4 11. Qc2 Qa5 12. Bxf6 Bxf6 13. Be2 Bb7 14. Nd2 Bxc3 15.
bxc3 Qa3 16. Rd1 Re6 17. O-O Rxd6 18. Bxc4 Rxd2 19. Bxf7+ Kxf7 20. Rxd2 Qa4 21.
Qxa4 bxa4 22. Re1 Bc6 23. f4 Na6 24. Kf2 Nc5 25. Kf3 Rb8 26. h4 a3 27. g4 Rb2
28. Rde2 Bb5 29. Rg2 Bd3 30. Rgg1 Rxa2 31. Ra1 Bxe4+ 32. Ke3 Rh2 33. Rxa3 a6
34. Rg3 d6 35. Ra5 Bb7 36. Ra3 Rxh4 37. g5 Ke6 38. Rg1 Kf5 39. Rf1 Rh3+ 40. Ke2
Ne4 41. Ra5+ Kg4 42. Rg1+ Kxf4 43. Rf1+ Kg4 44. Rg1+ Rg3 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Moreira, Mauricio S F"]
[Black "Rikli, Oscar"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "72"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. cxd5 cxd5 5. Nc3 e6 6. Bf4 Nc6 7. e3 a6 8. Bd3
Be7 9. Ne5 O-O 10. O-O Bd7 11. g4 h6 12. g5 hxg5 13. Bxg5 g6 14. Bh4 Re8 15.
Nxg6 fxg6 16. Bxg6 Bf8 17. Bg5 Bg7 18. Bxe8 Bxe8 19. Bxf6 Qxf6 20. Kh1 Bg6 21.
Rg1 Kf7 22. Rg3 Rh8 23. a4 Ne7 24. Rf3 Bf5 25. Rg3 Qh4 26. Qg1 Ng6 27. Qg2 e5
28. Qxd5+ Kf8 29. Qd6+ Ne7 30. Rg2 exd4 31. Rag1 Rh7 32. Nd5 Be4 33. Nxe7 Bxg2+
34. Rxg2 Qxe7 35. Qb8+ Qe8 36. Qf4+ Kg8 1/2-1/2

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Moreira, Mauricio S F"]
[Black "Coelho, Joao L"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "75"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nde2 Nc6 8.
O-O Bg4 9. Bg5 Be7 10. h3 Bh5 11. Qd2 O-O 12. Rad1 Na5 13. Bd5 Nxd5 14. Bxe7
Nxe7 15. Qxd6 Qxd6 16. Rxd6 Rad8 17. Rfd1 Nec6 18. g4 Bg6 19. b4 Rxd6 20. Rxd6
Nxb4 21. Rd2 Nc4 22. Rd7 b5 23. f3 Nxc2 24. Kf2 f6 25. Nd5 Be8 26. Ne7+ Kh8 27.
Rd8 g6 28. Nd5 Kg8 29. Rxe8 Rxe8 30. Nxf6+ Kf8 31. Nxe8 Kxe8 32. g5 Nb4 33. Nc3
Ke7 34. Kg3 Nd3 35. h4 Nf4 36. Kf2 Kd6 37. Ne2 Nxe2 38. Kxe2 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Nogueira, Paulo S V"]
[Black "dos Santos, Wilson M"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "66"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 c5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Qc2 Nc6 8.
dxc5 Qxc5 9. Qe4 Qb4+ 10. Qxb4 Nxb4 11. Kd1 Bd7 12. Bd2 O-O-O 13. e3 Bc6 14.
Nf3 Be7 15. Nd4 Bd5 16. a3 Nc6 17. Nxc6 Bxc6 18. f3 Kb8 19. b3 Rd7 20. Ke1 Bf6
21. Ra2 Bd5 22. Bc4 Bxc4 23. bxc4 Rc8 24. Rc2 Rdc7 25. Kf2 Rxc4 26. Rxc4 Rxc4
27. Bb4 Bh4+ 28. g3 Rc2+ 29. Kg1 Bf6 30. e4 Kc7 31. f4 Bd4+ 32. Kf1 Kc6 33. h4
Rf2+ 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Nogueira, Paulo S V"]
[Black "Rocha, Jose A S"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "35"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+
8. Nbxd2 d5 9. exd5 Nxd5 10. O-O O-O 11. Re1 Nb6 12. Qb3 Na5 13. Qc3 Naxc4 14.
Nxc4 Nxc4 15. Qxc4 Be6 16. Qc3 c6 17. Ne5 Qb6 18. b3 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Nogueira, Paulo S V"]
[Black "Pires, Geraldo R"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "56"]

1. e4 c5 2. f4 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Nc6 7. Nc3 Nh6 8. Bb5
O-O 9. h3 Nf5 10. Nf3 Ng3 11. Rh2 f5 12. Qa4 Bd7 13. Nxd5 a6 14. Bc4 e6 15. Qc2
exd5 16. Bxd5+ Kh8 17. Qc5 Qa5+ 18. Qxa5 Nxa5 19. Ng5 h6 20. Ne6 Bxe6 21. Bxe6
Nc6 22. Be3 Rfd8 23. d5 Nxe5 24. fxe5 Bxe5 25. Bxh6 Ne4 26. Rh1 Ng3 27. Rh2 Ne4
28. Rh1 Ng3 1/2-1/2

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Pires, Geraldo R"]
[Black "de Campos, Joao M"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "85"]

1. Nf3 d5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. c3 O-O 6. O-O c5 7. Bg5 Ne4 8. Bf4
cxd4 9. cxd4 Qb6 10. Nc3 Qxb2 11. Nxd5 Nc6 12. e3 Nc3 13. Nxc3 Qxc3 14. Qc1
Qxc1 15. Rfxc1 Bg4 16. Rab1 Rac8 17. h3 Be6 18. Rxb7 Bxa2 19. Nd2 e5 20. dxe5
Nxe5 21. Rxc8 Rxc8 22. Rxa7 Be6 23. Ne4 h6 24. g4 Bd5 25. Nf6+ Bxf6 26. Bxd5
Rf8 27. Bxh6 Rd8 28. Ra8 Rxa8 29. Bxa8 Be7 30. Bf4 Nd3 31. Bg3 g5 32. Be4 Nc5
33. Bf5 Kg7 34. f4 f6 35. h4 Nb7 36. hxg5 fxg5 37. fxg5 Bxg5 38. Bf4 Be7 39.
Kf2 Nd6 40. Kf3 Kf6 41. e4 Nf7 42. Ke3 Ba3 43. Kd4 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Pires, Geraldo R"]
[Black "dos Santos, Wilson M"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "53"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. O-O Nxc3 6. dxc3 f6 7. Nh4 g6 8.
b4 f5 9. g3 Bg7 10. Nxf5 Qf6 11. Nxg7+ Qxg7 12. Be3 d6 13. Qd2 Bh3 14. Rfe1
O-O-O 15. Bd5 Qf6 16. Bg5 Qf5 17. Bxd8 Nxd8 18. c4 Nf7 19. Re3 Ng5 20. f4 Rf8
21. Rae1 c6 22. Bg2 Bxg2 23. Kxg2 Qh3+ 24. Kg1 exf4 25. Qxd6 Rd8 26. Qxf4 h6
27. Re7 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Pires, Geraldo R"]
[Black "Bezerra, Elmo M"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "31"]

1. Nf3 Nf6 2. d4 c5 3. c3 b6 4. Bg5 Ne4 5. e3 Nxg5 6. Nxg5 e6 7. Qf3 Qxg5 8.
Qxa8 Bd6 9. dxc5 Qxc5 10. Qxa7 Nc6 11. Qa4 Bb7 12. Nd2 Ne5 13. Ne4 Qc7 14.
Nxd6+ Qxd6 15. Rd1 Qc7 16. f4 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Pires, Geraldo R"]
[Black "Moreira, Mauricio S F"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "88"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. h3 O-O 8. Be3
Nbd7 9. Qd2 a6 10. a4 Nc5 11. f3 e5 12. Nb3 Qe7 13. Nxc5 dxc5 14. Qf2 b6 15.
Nd5 Nxd5 16. Bxd5 Bb7 17. c4 Bxd5 18. exd5 f5 19. Qc2 Qd6 20. O-O Rae8 21. Rad1
e4 22. fxe4 Rxe4 23. Bf2 Rfe8 24. b3 Re2 25. Rd2 R2e4 26. Rdd1 a5 27. Rfe1
Rxe1+ 28. Rxe1 Rxe1+ 29. Bxe1 Bd4+ 30. Bf2 Qg3 31. Bxd4 Qe1+ 32. Kh2 cxd4 33.
Qd3 Qc3 34. Qe2 Qe3 35. Qxe3 dxe3 36. Kg3 Kf7 37. Kf3 f4 38. h4 h6 39. g3 g5
40. hxg5 hxg5 41. gxf4 gxf4 42. Ke2 Ke7 43. Kd3 Kd7 44. Ke2 Ke7 1/2-1/2

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Rikli, Oscar"]
[Black "Pires, Geraldo R"]
[Result "0-1"]
[ECO "A23"]
[PlyCount "58"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d3 h6 7. Qc2 Nc6 8. a3
Be6 9. e3 Be7 10. Nf3 O-O 11. O-O Rc8 12. Qd1 a6 13. Qe2 Qd7 14. Bd2 b5 15. b4
Bg4 16. Qe1 e4 17. Nd4 Nxd4 18. exd4 exd3 19. Rc1 Rfe8 20. Be3 a5 21. bxa5 Bxa3
22. Rb1 Ne4 23. Nxe4 dxe4 24. f3 exf3 25. Bxf3 Bf5 26. Qf2 Rc2 27. Bd2 Bb2 28.
Rxb2 Rxb2 29. Ra1 Rxd2 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Rikli, Oscar"]
[Black "Coelho, Joao L"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "62"]

1. Nf3 Nc6 2. d4 d5 3. c4 Bg4 4. cxd5 Bxf3 5. dxc6 Bxc6 6. Nc3 Nf6 7. Bg5 e6 8.
e4 Be7 9. f3 a6 10. Rc1 h6 11. Be3 O-O 12. Bd3 b5 13. a3 Rc8 14. O-O Bb7 15. b4
c6 16. Qe1 e5 17. Bb1 exd4 18. Rd1 c5 19. Ne2 Qe8 20. Bf2 Rd8 21. bxc5 Bxc5 22.
Bxd4 Rxd4 23. Nxd4 Qe5 24. f4 Bxd4+ 25. Kh1 Qc5 26. e5 Ng4 27. Rd2 Ne3 28. Qg3
Nxf1 29. Qd3 Rd8 30. Qxf1 Qxa3 31. Qd1 Qe3 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "Rikli, Oscar"]
[Black "Madeira, Wagner M"]
[Result "0-1"]
[ECO "B71"]
[PlyCount "70"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd7 7. Be3 Bg7 8.
Bb5 O-O 9. O-O a6 10. Bxd7 Bxd7 11. h3 Qc7 12. Qf3 b5 13. a3 Rac8 14. Rad1 a5
15. Rd2 b4 16. axb4 axb4 17. Nd1 e5 18. fxe5 dxe5 19. Nb3 Bc6 20. Nf2 Nxe4 21.
Nxe4 f5 22. Qe2 Bxe4 23. Nc5 Bc6 24. Ne6 Qb7 25. Qc4 Qf7 26. Qb3 Bb5 27. Nxf8
Bxf1 28. Qxf7+ Kxf7 29. Nd7 Bb5 30. Nb6 Re8 31. Nd5 f4 32. Bc5 e4 33. Bxb4 e3
34. Rd1 e2 35. Rb1 Rd8 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "de Campos, Joao M"]
[Black "Madeira, Wagner M"]
[Result "1/2-1/2"]
[ECO "B74"]
[PlyCount "62"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 O-O 8.
O-O Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5 14. Nxa5 Qxa5
15. e5 d4 16. Bxd4 Nd7 17. f6 exf6 18. exf6 Bxf6 19. Bxf6 Qb6+ 20. Kh1 Nxf6 21.
Qf3 Kg7 22. Rae1 Rad8 23. Re2 Qc6 24. Qg3 Rd6 25. Ref2 Nh5 26. Qe5+ f6 27. Qb5
f5 28. Qxc6 bxc6 29. g4 Nf6 30. gxf5 Ng4 31. Rf3 Rdf6 1/2-1/2

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "de Campos, Joao M"]
[Black "Moreira, Mauricio S F"]
[Result "1-0"]
[ECO "B74"]
[PlyCount "89"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8.
O-O O-O 9. Nb3 Be6 10. f4 Qc8 11. Kh1 Bg4 12. Bg1 h5 13. h3 Bxh3 14. gxh3 Qxh3+
15. Bh2 Ng4 16. Bxg4 hxg4 17. Qd3 Nb4 18. Qxh3 gxh3 19. Rf3 Nxc2 20. Rc1 Nd4
21. Nxd4 Bxd4 22. Rxh3 f5 23. Nd5 Rf7 24. exf5 gxf5 25. Rc7 e6 26. Rxf7 Kxf7
27. Nc3 a6 28. Rd3 Bc5 29. Na4 b5 30. Nxc5 dxc5 31. Rd7+ Kf6 32. Bg1 Rc8 33.
Be3 Rc6 34. Kg2 b4 35. Kf3 e5 36. Rd5 e4+ 37. Ke2 c4 38. Rc5 Rxc5 39. Bxc5 b3
40. axb3 cxb3 41. Ke3 a5 42. Kd4 a4 43. Kc4 Kf7 44. Kb4 Ke6 45. Kxa4 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "de Campos, Joao M"]
[Black "dos Santos, Wilson M"]
[Result "0-1"]
[ECO "C63"]
[PlyCount "48"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5
8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7 11. Nb5 Nf6 12. O-O Bc5 13. d4 exd3 14.
Re1+ Kf7 15. Be3 Bxe3 16. Rxe3 Rad8 17. Qf3 c6 18. Nc3 Rhe8 19. Rd1 Qd4 20.
Rxe8 Rxe8 21. h3 d2 22. b3 Re1+ 23. Kh2 Kg8 24. Qg3 h5 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "dos Santos, Wilson M"]
[Black "Moreira, Mauricio S F"]
[Result "1-0"]
[ECO "B71"]
[PlyCount "61"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8.
e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Ng4 11. Bf4 e6 12. O-O-O+ Ke7 13. Be2 Bh6 14.
Bxh6 Nxh6 15. Rd6 Bb7 16. Rhd1 Rhd8 17. Ne4 Nf5 18. Rxd8 Rxd8 19. Rxd8 Kxd8 20.
Ng5 Ke7 21. Nxh7 c5 22. g4 Nd4 23. Kd1 Bf3 24. Bxf3 Nxf3 25. h3 Nxe5 26. Ke2 f6
27. g5 f5 28. b3 f4 29. a3 a5 30. Nf6 Nf3 31. Kxf3 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "dos Santos, Wilson M"]
[Black "Delgallo, Ronaldo"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "25"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8.
Qa3 Qg6 9. Be3 Qxe4 10. Nc3 Qb4 11. Qxb4 Nxb4 12. O-O-O Ne7 13. Bc5 1-0

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "dos Santos, Wilson M"]
[Black "Madeira, Wagner M"]
[Result "0-1"]
[ECO "B71"]
[PlyCount "88"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd7 7. Be2 Bg7 8.
Be3 O-O 9. O-O a6 10. Bf3 Qc7 11. Nb3 Rb8 12. Rb1 b5 13. a3 Bb7 14. g4 Nb6 15.
Nd2 Nfd7 16. Ne2 Rbc8 17. c3 Nc4 18. Nxc4 Qxc4 19. Ng3 Qc7 20. h4 Nb6 21. h5
Nc4 22. Bf2 a5 23. Bd4 e5 24. fxe5 dxe5 25. Bf2 Rfd8 26. Qe2 Nd2 27. Be3 Nxb1
28. Rxb1 Qc6 29. h6 Bf8 30. Qf2 Bc5 31. Kg2 Rd3 32. Re1 Qb6 33. Bxc5 Qxc5 34.
Qf1 Rcd8 35. Be2 Rd2 36. Qf6 Qf8 37. g5 Rxb2 38. Qxe5 Rbd2 39. Kf1 Re8 40. Qxb5
Bxe4 41. Qxa5 Qe7 42. c4 Rc2 43. Qb4 Qe6 44. Kf2 Bd3 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "dos Santos, Wilson M"]
[Black "Coelho, Joao L"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "70"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qe7 8.
Qd1 Nf6 9. Nc3 h6 10. Be3 Qb4 11. f3 Qxb2 12. Na4 Qa3 13. c3 b5 14. Nb6 Rb8 15.
Nxc8 Rxc8 16. Qb3 Qa5 17. Bd2 O-O 18. Bd3 Qb6 19. a4 Na5 20. Qa2 Nc4 21. axb5
axb5 22. Ke2 d5 23. Qa6 dxe4 24. fxe4 Qc5 25. Qa7 Qd6 26. Ra6 Rc6 27. Ra2 Rd8
28. Bb1 Rc7 29. Qf2 Nxd2 30. Rd1 Rcd7 31. Qe1 Qe6 32. Raxd2 Qg4+ 33. Ke3 Qg5+
34. Ke2 Qxg2+ 35. Ke3 Ng4# 0-1

[Event "TBI-C-IV-S-0009"]
[Site "CXEB"]
[Date "1981.09.01"]
[Round "1"]
[White "dos Santos, Wilson M"]
[Black "Rikli, Oscar"]
[Result "0-1"]
[ECO "C82"]
[PlyCount "50"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. c3 Bc5 10. Qd3 O-O 11. Be3 Bxe3 12. Qxe3 Re8 13. Nbd2 Bf5 14. Nxe4 Bxe4
15. Nd4 Nxe5 16. f4 Nd3 17. Qg3 c5 18. Nf3 Nxb2 19. Nh4 c4 20. Bd1 Qf6 21. f5
Nd3 22. Kh1 Qxc3 23. f6 g6 24. Bg4 Qe5 25. Qh3 Nf2+ 0-1