| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 151. J L Alvarez del Monte vs E Jimenez Zerquera |
| 0-1 | 30 | 1968 | Pan American Championship | A56 Benoni Defense |
| 152. A Morales vs J L Alvarez del Monte |
| 0-1 | 42 | 1968 | Pan American Championship | B73 Sicilian, Dragon, Classical |
| 153. J L Alvarez del Monte vs E Cobo Arteaga |
| ½-½ | 17 | 1968 | Pan American Championship | C93 Ruy Lopez, Closed, Smyslov Defense |
| 154. I Mendivil vs J L Alvarez del Monte |
| ½-½ | 54 | 1968 | Pan American Championship | B73 Sicilian, Dragon, Classical |
| 155. J L Alvarez del Monte vs J Diaz |
| 0-1 | 44 | 1968 | Pan American Championship | A07 King's Indian Attack |
| 156. G Pena vs J L Alvarez del Monte |
| 0-1 | 28 | 1968 | Pan American Championship | E20 Nimzo-Indian |
| 157. Letelier vs J L Alvarez del Monte |
| 0-1 | 33 | 1968 | Pan American Championship | E46 Nimzo-Indian |
| 158. J L Alvarez del Monte vs F J Perez |
| 1-0 | 51 | 1968 | Pan American Championship | B18 Caro-Kann, Classical |
| 159. J Boudy Bueno vs J L Alvarez del Monte |
| 0-1 | 38 | 1968 | Pan American Championship | C91 Ruy Lopez, Closed |
| 160. J L Alvarez del Monte vs H Rossetto |
| 0-1 | 43 | 1968 | Pan American Championship | B33 Sicilian |
| 161. F Castillo Tamariz vs J L Alvarez del Monte |
| 1-0 | 55 | 1968 | Pan American Championship | E20 Nimzo-Indian |
| 162. J L Alvarez del Monte vs W Estrada Degrandi |
| ½-½ | 21 | 1968 | Pan American Championship | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 163. O Yepez Obando vs J L Alvarez del Monte |
| ½-½ | 41 | 1968 | Pan American Championship | E24 Nimzo-Indian, Samisch |
| 164. J L Alvarez del Monte vs S Garcia Martinez |
| 0-1 | 30 | 1968 | Pan American Championship | B48 Sicilian, Taimanov Variation |
| 165. W Ader Hausman vs J L Alvarez del Monte |
| 1-0 | 42 | 1968 | Pan American Championship | D37 Queen's Gambit Declined |
| 166. J L Alvarez del Monte vs E Macskasy |
| ½-½ | 25 | 1968 | Pan American Championship | A42 Modern Defense, Averbakh System |
| 167. R Garcia vs J L Alvarez del Monte |
| 1-0 | 37 | 1969 | Mar del Plata Zonal | A14 English |
| 168. J L Alvarez del Monte vs J Rubinetti |
| ½-½ | 57 | 1969 | Mar del Plata Zonal | B43 Sicilian, Kan, 5.Nc3 |
| 169. V Riego vs J L Alvarez del Monte |
| 1-0 | 37 | 1969 | Mar del Plata Zonal | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 170. J L Alvarez del Monte vs I Mendivil |
| ½-½ | 42 | 1969 | Mar del Plata Zonal | E87 King's Indian, Samisch, Orthodox |
| 171. J L Alvarez del Monte vs A C Rocha |
| ½-½ | 17 | 1969 | Mar del Plata Zonal | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 172. J L Alvarez del Monte vs Najdorf |
| 0-1 | 30 | 1969 | Mar del Plata Zonal | B43 Sicilian, Kan, 5.Nc3 |
| 173. Quinteros vs J L Alvarez del Monte |
| 1-0 | 57 | 1969 | Mar del Plata Zonal | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 174. J L Alvarez del Monte vs H Camara |
| 0-1 | 39 | 1969 | Mar del Plata Zonal | B06 Robatsch |
| 175. L Bronstein vs J L Alvarez del Monte |
| 1-0 | 28 | 1969 | Mar del Plata Zonal | D38 Queen's Gambit Declined, Ragozin Variation |
Kibitzing
