Gerardo Barrero
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Buenos Aires Comunicaciones | ??/??/1965 | 0 |  Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| C55 | Two knights defence | 1 games |
| A42 | Modern defence, Averbakh system | 1 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
| B18 | Caro-Kann, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C01 | French, exchange variation | 2 games |
| D33 | Queen's Gambit Declined, Tarrasch, Schlechter-Rubinstein system | 1 games |
