| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. W P Guimaraes vs A Rodrigues |
| ½-½ | 16 | 1998 | 65th Brazilian Championship | C42 Petrov Defense |
| 27. A Rodrigues vs W P Guimaraes |
| ½-½ | 19 | 1998 | 65th Brazilian Championship | B13 Caro-Kann, Exchange |
| 28. W P Guimaraes vs A Rodrigues |
| ½-½ | 57 | 1998 | 65th Brazilian Championship | B22 Sicilian, Alapin |
| 29. A Rodrigues vs W P Guimaraes |
| 1-0 | 20 | 1998 | 65th Brazilian Championship | B13 Caro-Kann, Exchange |
| 30. W P Guimaraes vs E Matsuura |
| ½-½ | 14 | 1999 | BRA-ch66 sf2 | C65 Ruy Lopez, Berlin Defense |
| 31. W P Guimaraes vs D Di Berardino |
| 1-0 | 50 | 1999 | Mangini mem | C10 French |
| 32. W P Guimaraes vs L Coelho |
| 0-1 | 39 | 2000 | Brazilian Championship 1999 | B31 Sicilian, Rossolimo Variation |
| 33. E Tsuboi vs W P Guimaraes |
| ½-½ | 33 | 2000 | Brazilian Championship 1999 | B44 Sicilian |
| 34. W P Guimaraes vs A Valle |
| 1-0 | 56 | 2000 | Brazilian Championship 1999 | D32 Queen's Gambit Declined, Tarrasch |
| 35. F Dejeanne vs W P Guimaraes |
| 0-1 | 44 | 2000 | Brazilian Championship 1999 | B17 Caro-Kann, Steinitz Variation |
| 36. W P Guimaraes vs C Gauche |
| 0-1 | 71 | 2000 | Brazilian Championship 1999 | B43 Sicilian, Kan, 5.Nc3 |
| 37. W P Guimaraes vs M Maldonado Roland |
| 1-0 | 33 | 2000 | Brazilian Championship 1999 | B32 Sicilian |
| 38. E Matsuura vs W P Guimaraes |
| 1-0 | 49 | 2000 | Brazilian Championship 1999 | B10 Caro-Kann |
| 39. A Souza Neves vs W P Guimaraes |
| 0-1 | 17 | 2000 | Brazilian Championship 1999 | B20 Sicilian |
| 40. W P Guimaraes vs J Pelikian |
| ½-½ | 60 | 2000 | Brazilian Championship 1999 | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 41. W P Guimaraes vs D Di Berardino |
| ½-½ | 24 | 2000 | Rio de Janeiro Magistral | B40 Sicilian |
| 42. W P Guimaraes vs D Lima |
| 0-1 | 32 | 2001 | Brazilian Championship | B89 Sicilian |
| 43. W Bastos vs W P Guimaraes |
| 0-1 | 28 | 2001 | Brazilian Championship | A10 English |
| 44. R Leitao vs W P Guimaraes |
| 1-0 | 42 | 2001 | Brazilian Championship | B18 Caro-Kann, Classical |
| 45. W P Guimaraes vs M W Bouwman |
| ½-½ | 41 | 2001 | Brazilian Championship | B76 Sicilian, Dragon, Yugoslav Attack |
| 46. S Dumont vs W P Guimaraes |
| 1-0 | 8 | 2001 | Brazilian Championship | A00 Uncommon Opening |
| 47. W P Guimaraes vs R Mercadante |
| 1-0 | 53 | 2001 | Brazilian Championship | B22 Sicilian, Alapin |
| 48. A Caldeira vs W P Guimaraes |
| ½-½ | 41 | 2001 | Brazilian Championship | B33 Sicilian |
| 49. F Capuano Neto vs W P Guimaraes |
| ½-½ | 5 | 2001 | Brazilian Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 50. W P Guimaraes vs J Bittencourt |
| 0-1 | 47 | 2001 | Brazilian Championship | B53 Sicilian |
Kibitzing
