| Name: | J. Herrera |
| Federation: |  |
| Years: | 1997 - 1997 |
| Total Games: | 4 |
| Wins: | 3 (75 %) |
| Draws: | 0 (0 %) |
| Losses: | 1 (25 %) |
| Score: | 75 % |
| Tournament | Date | Elo Avg. | Country |
| ARG-chT | ??/??/1997 | 772 |  Argentina |
| ECO | Opening | Games |
| ECO | Opening | Games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 1 games |
| A58 | Benko gambit accepted | 1 games |
| B80 | Sicilian, Scheveningen variation | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Villegas, I | Herrera, J | 0-1  |
39 | B85 | 1997 | ARG-chT |
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| Ortiz, J | Herrera, J | 0-1 |
33 | A58 | 1997 | ARG-chT |
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| Rodriguez, A | 2260 | Herrera, J | 0-1 |
40 | B80 | 1997 | ARG-chT |
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| Carrizo, A | Herrera, J | 1-0 |
50 | B21 | 1997 | ARG-chT |
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