| Name: | Gabriel Marquez |
| Federation: |  |
| Years: | 2004 - 2004 |
| Total Games: | 8 |
| Wins: | 2 (25 %) |
| Draws: | 1 (12.5 %) |
| Losses: | 5 (62.5 %) |
| Score: | 31.25 % |
| Tournament | Date | Elo Avg. | Country |
| Pan American-ch U12 | 07/23/2004 | 182 |  Colombia |
| ECO | Opening | Games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| E60 | King's Indian defence | 1 games |
| D02 | Queen's pawn game | 1 games |
| ECO | Opening | Games |
| A46 | Queen's pawn game | 1 games |
| C00 | French defence | 1 games |
| C02 | French, advance variation | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Mesa, J | Marquez, G | 1-0  |
19 | B08 | 2004 | Pan American-ch U12 |
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| Rivas, A | Marquez, G | ½-½ |
30 | A57 | 2004 | Pan American-ch U12 |
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| Marquez, G | Vargas, P | 0-1 |
34 | D02 | 2004 | Pan American-ch U12 |
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| Perez, D | 2170 | Marquez, G | 0-1 |
23 | C02 | 2004 | Pan American-ch U12 |
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| Marquez, G | Arcos Facio, M | 0-1 |
23 | E60 | 2004 | Pan American-ch U12 |
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| Krysa, L | Marquez, G | 1-0 |
38 | C00 | 2004 | Pan American-ch U12 |
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| Orjuela, S | Marquez, G | 0-1 |
29 | A46 | 2004 | Pan American-ch U12 |
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| Marquez, G | Reinoso, J | 1821 | 0-1 |
76 | A07 | 2004 | Pan American-ch U12 |
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