| Name: | Guillermo Casacobos |
| Federation: |  |
| Years: | 1989 - 1989 |
| Total Games: | 7 |
| Wins: | 5 (71.43 %) |
| Draws: | 0 (0 %) |
| Losses: | 2 (28.57 %) |
| Score: | 71.43 % |
| Tournament | Date | Elo Avg. | Country |
| CAE Preferente | ??/??/1989 | 64 |  Spain |
| ECO | Opening | Games |
| D53 | Queen's Gambit Declined, 4.Bg5 Be7 | 1 games |
| E18 | Queen's Indian, old main line, 7.Nc3 | 1 games |
| D99 | Gruenfeld defence, Smyslov, main line | 1 games |
| A52 | Budapest defence | 1 games |
| ECO | Opening | Games |
| C64 | Ruy Lopez, classical (Cordel) defence | 1 games |
| A45 | Queen's pawn game | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Casacobos, G | Alonso Perez, J | 0-1  |
26 | D53 | 1989 | CAE Preferente |
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| Casacobos, G | Arias Rodriguez, S | 1-0 |
42 | E18 | 1989 | CAE Preferente |
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| Casacobos, G | Hevia Blanco, J | 0-1 |
40 | D99 | 1989 | CAE Preferente |
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| Casacobos, G | Loureda Garcia, J | 1-0 |
58 | A52 | 1989 | CAE Preferente |
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| Casacobos, G | Montes Gonzalez, A | 1-0 |
46 | A39 | 1989 | CAE Preferente |
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| Alvarez Peon, R | Casacobos, G | 0-1 |
44 | C64 | 1989 | CAE Preferente |
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| Rey Pereira, A | Casacobos, G | 0-1 |
40 | A45 | 1989 | CAE Preferente |
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