| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Danon vs M Cuellar Gacharna |
| 0-1 | 32 | 1947 | 48th US Open | D00 Queen's Pawn Game |
| 2. G Kramer vs M Cuellar Gacharna |
| 1-0 | 43 | 1947 | 48th US Open | D19 Queen's Gambit Declined Slav, Dutch |
| 3. M Cuellar Gacharna vs Ed Lasker |
| 0-1 | 52 | 1947 | 48th US Open | C77 Ruy Lopez |
| 4. C H Maderna vs M Cuellar Gacharna |
| ½-½ | 40 | 1952 | Mar del Plata | D30 Queen's Gambit Declined |
| 5. M Cuellar Gacharna vs J Bolbochan |
| ½-½ | 69 | 1952 | Mar del Plata | E67 King's Indian, Fianchetto |
| 6. H Rossetto vs M Cuellar Gacharna |
 | 0-1 | 28 | 1952 | Mar del Plata | C30 King's Gambit Declined |
| 7. M Cuellar Gacharna vs W Ader Hausman |
| ½-½ | 48 | 1952 | Mar del Plata | D43 Queen's Gambit Declined Semi-Slav |
| 8. P Trifunovic vs M Cuellar Gacharna |
| ½-½ | 70 | 1952 | Mar del Plata | E21 Nimzo-Indian, Three Knights |
| 9. M Cuellar Gacharna vs B Wexler |
| 1-0 | 78 | 1952 | Mar del Plata | D19 Queen's Gambit Declined Slav, Dutch |
| 10. Bolbochan vs M Cuellar Gacharna |
| ½-½ | 48 | 1952 | Mar del Plata | C96 Ruy Lopez, Closed |
| 11. M Cuellar Gacharna vs E Reinhardt |
| 1-0 | 42 | 1952 | Mar del Plata | E69 King's Indian, Fianchetto, Classical Main line |
| 12. L de Campelo Gentil vs M Cuellar Gacharna |
| ½-½ | 50 | 1952 | Mar del Plata | C77 Ruy Lopez |
| 13. M Cuellar Gacharna vs Letelier |
| ½-½ | 49 | 1952 | Mar del Plata | E00 Queen's Pawn Game |
| 14. G Budowski vs M Cuellar Gacharna |
| 1-0 | 33 | 1952 | Mar del Plata | B54 Sicilian |
| 15. F Pinzon vs M Cuellar Gacharna |
| 0-1 | 23 | 1952 | Mar del Plata | D97 Grunfeld, Russian |
| 16. M Cuellar Gacharna vs R Garcia Vera |
| 1-0 | 35 | 1952 | Mar del Plata | B84 Sicilian, Scheveningen |
| 17. E German vs M Cuellar Gacharna |
| ½-½ | 71 | 1952 | Mar del Plata | B93 Sicilian, Najdorf, 6.f4 |
| 18. M Cuellar Gacharna vs P Michel |
| ½-½ | 21 | 1952 | Mar del Plata | C67 Ruy Lopez |
| 19. G Puiggros vs M Cuellar Gacharna |
| 0-1 | 20 | 1952 | Mar del Plata | B73 Sicilian, Dragon, Classical |
| 20. M Cuellar Gacharna vs M Luckis |
| ½-½ | 53 | 1952 | Mar del Plata | E09 Catalan, Closed |
| 21. Najdorf vs M Cuellar Gacharna |
| ½-½ | 38 | 1953 | Mar del Plata | D37 Queen's Gambit Declined |
| 22. M Cuellar Gacharna vs C Guimard |
| 0-1 | 36 | 1953 | Mar del Plata | A84 Dutch |
| 23. B Wexler vs M Cuellar Gacharna |
| 0-1 | 38 | 1953 | Mar del Plata | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 24. M Cuellar Gacharna vs Bolbochan |
| ½-½ | 50 | 1953 | Mar del Plata | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 25. Eliskases vs M Cuellar Gacharna |
| 1-0 | 42 | 1953 | Mar del Plata | D04 Queen's Pawn Game |
Kibitzing
