Games played by Americo Jose Costa
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Nascimento, C | Costa, A | 1-0  |
56 | C44 | 1993 | POR-chT |
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| Costa, A | Vitor, M | 1-0 |
44 | B33 | 1993 | POR-chTa |
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| Costa, A | Silva, P | 0-1 |
45 | E77 | 1993 | POR-sf |
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| Costa, A | Parcerias, P | 2290 | 0-1 |
48 | E77 | 1993 | POR-chT |
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| Costa, A | Fernandes, A | 2455 | 0-1 |
36 | A86 | 1993 | POR-chT |
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| Costa, A | Leonardo, J | 2245 | 1-0 |
53 | A41 | 1993 | POR-chT |
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| Costa, A | Spraggett, K | 2565 | 0-1 |
33 | E24 | 1993 | POR-chT |
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| Costa, A | Alexandre, J | 2300 | 1-0 |
1 | B00 | 1993 | POR-chT |
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| Costa, A | Fernandes, D | 1-0 |
55 | B33 | 1993 | POR-chTa |
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| Costa, A | Shirley, M | 0-1 |
26 | B12 | 1993 | POR-chTa |
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| Costa, A | Cadillon Costa, J | ½-½ |
47 | A77 | 1993 | POR-sf |
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| Costa, A | Amaro, C | 0-1 |
43 | C52 | 1993 | POR-sf |
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| Costa, A | Evangelista, R | 1-0 |
88 | E24 | 1993 | POR-sf |
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| Costa, A | Bray, I | 1-0 |
23 | D20 | 1993 | POR-sf |
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| Salvado, L | Costa, A | 0-1 |
41 | D08 | 1993 | POR-sf |
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