| page 1 of 2; games 1-25 of 38 |
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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Karpov vs J E Ostos |
 | 1-0 | 45 | 1980 | Valletta Olympiad | C05 French, Tarrasch |
| 2. J Pulido vs J E Ostos |
| 0-1 | 42 | 1981 | Tunja | C05 French, Tarrasch |
| 3. D Alzate vs J E Ostos |
| 1-0 | 61 | 1987 | Medellin | C05 French, Tarrasch |
| 4. P Pazos Gambarrotti vs J E Ostos |
| ½-½ | 59 | 1987 | Medellin | C05 French, Tarrasch |
| 5. A Zapata vs J E Ostos |
| 1-0 | 31 | 1987 | Medellin | C05 French, Tarrasch |
| 6. H Hamdouchi vs J E Ostos |
| 0-1 | 48 | 1988 | Thessaloniki Olympiad | C05 French, Tarrasch |
| 7. L J Torres vs J E Ostos |
| 1-0 | 27 | 1990 | Novi Sad Olympiad | C05 French, Tarrasch |
| 8. A Zapata vs J E Ostos |
| 1-0 | 48 | 1992 | Merida op | C05 French, Tarrasch |
| 9. A Zapata vs J E Ostos |
| ½-½ | 46 | 1999 | Caracas UCV op | C05 French, Tarrasch |
| 10. Marcus Cobham vs J E Ostos |
| 0-1 | 58 | 1999 | Caribbean op | C05 French, Tarrasch |
| 11. C Gallegos Diaz vs J E Ostos |
| ½-½ | 14 | 2000 | Valencia sub zt 2.3.5 | C05 French, Tarrasch |
| 12. A Hernandez Jimenez vs J E Ostos |
| ½-½ | 59 | 2000 | Valencia sub zt 2.3.5 | C05 French, Tarrasch |
| 13. A Zapata vs J E Ostos |
| 1-0 | 77 | 2000 | Valencia zt 2.3 | C05 French, Tarrasch |
| 14. J Estrada Nieto vs J E Ostos |
| ½-½ | 31 | 2000 | Valencia zt 2.3 | C05 French, Tarrasch |
| 15. G Garcia vs J E Ostos |
| 1-0 | 39 | 2000 | Medellin | C05 French, Tarrasch |
| 16. P Pazos Gambarrotti vs J E Ostos |
| 1-0 | 89 | 2000 | Medellin | C05 French, Tarrasch |
| 17. A Rios Parra vs J E Ostos |
| 0-1 | 31 | 2000 | Medellin | C05 French, Tarrasch |
| 18. H Nezad vs J E Ostos |
| ½-½ | 55 | 2000 | Istanbul Olympiad | C05 French, Tarrasch |
| 19. R Prasca Sosa vs J E Ostos |
| 0-1 | 36 | 2000 | VEN-ch Maxima | C05 French, Tarrasch |
| 20. D Mieles Palau vs J E Ostos |
| 1-0 | 19 | 2001 | Merida Sub zt 2.3.5 | C05 French, Tarrasch |
| 21. S R Mannion vs J E Ostos |
| ½-½ | 30 | 2002 | Bled Olympiad | C05 French, Tarrasch |
| 22. N K Ortiz vs J E Ostos |
| 1-0 | 45 | 2004 | Binissalem op 17th | C05 French, Tarrasch |
| 23. B Saeheng vs J E Ostos |
| 1-0 | 64 | 2006 | Turin Olympiad | C05 French, Tarrasch |
| 24. J Perez Otero vs J E Ostos |
| 0-1 | 42 | 2009 | XLIV Capablanca Memorial Open | C05 French, Tarrasch |
| 25. F de la Paz Perdomo vs J E Ostos |
| 1-0 | 85 | 2011 | 46th Capablanca Memorial Open A | C05 French, Tarrasch |
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| page 1 of 2; games 1-25 of 38 |
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Kibitzing
