Walter Oswaldo Cruz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Rio de Janeiro zt | ??/??/1957 | 0 |  Brazil |
| Mar del Plata | ??/??/1954 | 0 |  Argentina |
| BRA-ch21 | 09/??/1953 | 0 | Brazil |
Walter Oswaldo Cruz Repertoire with White pieces (most played)
| ECO | Opening | Games |
| D61 | Queen's Gambit Declined, Orthodox defence, Rubinstein variation | 5 games |
| E60 | King's Indian defence | 4 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 4 games |
| D51 | Queen's Gambit Declined, 4.Bg5 Nbd7 | 3 games |
Walter Oswaldo Cruz Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| D66 | Queen's Gambit Declined, Orthodox defence, Bd3 line | 6 games |
| A47 | Queen's Indian defence | 4 games |
| C92 | Ruy Lopez, closed, 9.h3 | 4 games |
| D25 | Queen's Gambit Accepted, 4.e3 | 3 games |
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