Game |
| Result | Moves |
Year | Event/Locale | Opening |
301. M Cuellar Gacharna vs Uhlmann |
  | 0-1 | 26 | 1973 | Leningrad Interzonal | A22 English |
302. Korchnoi vs M Cuellar Gacharna |
  | 1-0 | 33 | 1973 | Leningrad Interzonal | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
303. M Cuellar Gacharna vs Gligoric |
  | 0-1 | 70 | 1973 | Leningrad Interzonal | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
304. Taimanov vs M Cuellar Gacharna |
  | ½-½ | 58 | 1973 | Leningrad Interzonal | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
305. J Rukavina vs M Cuellar Gacharna |
  | ½-½ | 50 | 1973 | Leningrad Interzonal | A07 King's Indian Attack |
306. M Cuellar Gacharna vs Karpov |
  | 0-1 | 56 | 1973 | Leningrad Interzonal | A31 English, Symmetrical, Benoni Formation |
307. I Radulov vs M Cuellar Gacharna |
  | 1-0 | 27 | 1973 | Leningrad Interzonal | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
308. M Cuellar Gacharna vs G Kuzmin |
 | ½-½ | 29 | 1973 | Leningrad Interzonal | A22 English |
309. Smejkal vs M Cuellar Gacharna |
  | 1-0 | 42 | 1973 | Leningrad Interzonal | E08 Catalan, Closed |
310. M Cuellar Gacharna vs Tal |
  | 0-1 | 79 | 1973 | Leningrad Interzonal | E91 King's Indian |
311. E Torre vs M Cuellar Gacharna |
  | 1-0 | 74 | 1973 | Leningrad Interzonal | B89 Sicilian |
312. M Cuellar Gacharna vs Quinteros |
  | 0-1 | 50 | 1973 | Leningrad Interzonal | A43 Old Benoni |
313. G Estevez Morales vs M Cuellar Gacharna |
  | 1-0 | 43 | 1973 | Leningrad Interzonal | B53 Sicilian |
314. M Cuellar Gacharna vs Larsen |
 | 0-1 | 68 | 1973 | Leningrad Interzonal | A50 Queen's Pawn Game |
315. Huebner vs M Cuellar Gacharna |
  | 1-0 | 54 | 1973 | Leningrad Interzonal | E62 King's Indian, Fianchetto |
316. M Cuellar Gacharna vs R Byrne |
  | 0-1 | 54 | 1973 | Leningrad Interzonal | A05 Reti Opening |
317. Tukmakov vs M Cuellar Gacharna |
  | 1-0 | 29 | 1973 | Leningrad Interzonal | B69 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 11.Bxf6 |
318. M Cuellar Gacharna vs J Szmetan |
| ½-½ | 43 | 1978 | Bogota | A30 English, Symmetrical |
319. Geller vs M Cuellar Gacharna |
| 1-0 | 39 | 1978 | Bogota | E62 King's Indian, Fianchetto |
320. A Rodriguez vs M Cuellar Gacharna |
| 1-0 | 44 | 1979 | Santa Fe Bogota 4th | C94 Ruy Lopez, Closed, Breyer Defense |
321. J E Ostos vs M Cuellar Gacharna |
| ½-½ | 40 | 1981 | Tunja | B83 Sicilian |
322. M Campos Lopez vs M Cuellar Gacharna |
| ½-½ | 31 | 1981 | Tunja | D02 Queen's Pawn Game |
323. M Cuellar Gacharna vs A Agudelo |
| 1-0 | 39 | 1981 | Tunja | A35 English, Symmetrical |
324. M Cuellar Gacharna vs G Garcia |
| 0-1 | 50 | 1981 | Tunja | D59 Queen's Gambit Declined, Tartakower |
325. M Cuellar Gacharna vs J Minaya |
| 0-1 | 37 | 1981 | Tunja | A07 King's Indian Attack |