| Mar del Plata Zonal (1969) |
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The Mar del Plata (South American Zonal) tournament took place from 22nd March - 12th April 1969. Najdorf and Panno qualified straight to the Palma de Mallorca Interzonal (1970) The third-place tie for the last interzonal spot was resolved in a match between Mecking and García which Mecking won by 2½—½. 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1. Najdorf,Miguel x 1 0 ½ 1 1 1 1 ½ ½ 1 1 1 1 1 1 1 1 1 15.5/18
2. Panno,Oscar 0 x 1 1 ½ ½ 1 1 1 1 1 1 ½ 1 1 1 1 1 1 15.5/18
3. Garcia,Raimundo 1 0 x ½ ½ ½ ½ 0 1 ½ 1 1 ½ 1 1 1 1 1 1 13.0/18
4. Mecking,Henrique ½ 0 ½ x 0 ½ ½ 1 1 ½ 1 1 1 1 1 ½ 1 1 1 13.0/18
5. Rubinetti,Jorge Alberto 0 ½ ½ 1 x ½ ½ ½ ½ 1 1 0 1 ½ 1 1 1 ½ 1 12.0/18
6. Camara,Helder 0 ½ ½ ½ ½ x 0 0 1 1 0 1 1 ½ 1 ½ 1 1 1 11.0/18
7. Rodriguez Vargas,Orestes 0 0 ½ ½ ½ 1 x 1 0 ½ 0 1 0 1 1 1 1 1 1 11.0/18
8. Quinteros,Miguel Angel 0 0 1 0 ½ 1 0 x 0 ½ 1 1 ½ 0 1 1 1 1 1 10.5/18
9. Schweber,Samuel ½ 0 0 0 ½ 0 1 1 x ½ 0 ½ ½ 1 1 1 ½ 1 1 10/18
10. Rossetto,Hector ½ 0 ½ ½ 0 0 ½ ½ ½ x 0 ½ ½ 1 1 1 ½ 1 1 9.5/18
11. Bronstein,Luis Marcos 0 0 0 0 0 1 1 0 1 1 x ½ ½ 1 0 ½ 1 1 1 9.5/18
12. Van Riemsdijk,Herman C 0 0 0 0 1 0 0 0 ½ ½ ½ x 1 ½ 1 ½ 1 1 1 8.5/18
13. Rocha,Antonio 0 ½ ½ 0 0 0 1 ½ ½ ½ ½ 0 x ½ ½ ½ ½ ½ 1 7.5/18
14. Canobra,Juvenal 0 0 0 0 ½ ½ 0 1 0 0 0 ½ ½ x 1 1 0 ½ 0 5.5/18
15. Riego Prieto,Victorio 0 0 0 0 0 0 0 0 0 0 1 0 ½ 0 x 1 1 1 1 5.5/18
16. Garcia Toledo,Pedro 0 0 0 ½ 0 ½ 0 0 0 0 ½ ½ ½ 0 0 x ½ ½ 1 4.5/18
17. Silva Sanchez,Carlos 0 0 0 0 0 0 0 0 ½ ½ 0 0 ½ 1 0 ½ x ½ 1 4.5/18
18. Alvarez del Monte,Jose Luis 0 0 0 0 ½ 0 0 0 0 0 0 0 ½ ½ 0 ½ ½ x ½ 3.0/18
19. Mendivil Salinas,Ismael 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 ½ x 1.5/18
Najdorf did not take up his place at the interzonal.
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| page 6 of 7; games 126-150 of 171 |
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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. H Camara vs L Bronstein |
| 0-1 | 51 | 1969 | Mar del Plata Zonal | A46 Queen's Pawn Game |
| 127. R Garcia vs Mecking |
| ½-½ | 41 | 1969 | Mar del Plata Zonal | A40 Queen's Pawn Game |
| 128. I Mendivil vs O Rodriguez Vargas |
| 0-1 | 43 | 1969 | Mar del Plata Zonal | B84 Sicilian, Scheveningen |
| 129. Najdorf vs H van Riemsdijk |
| 1-0 | 30 | 1969 | Mar del Plata Zonal | A29 English, Four Knights, Kingside Fianchetto |
| 130. Quinteros vs S Schweber |
| 0-1 | 47 | 1969 | Mar del Plata Zonal | A42 Modern Defense, Averbakh System |
| 131. V Riego vs J Canobra |
| 0-1 | 68 | 1969 | Mar del Plata Zonal | B58 Sicilian |
| 132. A C Rocha vs H Rossetto |
| ½-½ | 15 | 1969 | Mar del Plata Zonal | C05 French, Tarrasch |
| 133. J Canobra vs J L Alvarez del Monte |
| ½-½ | 26 | 1969 | Mar del Plata Zonal | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 134. P Garcia Toledo vs A C Rocha |
 | ½-½ | 9 | 1969 | Mar del Plata Zonal | E20 Nimzo-Indian |
| 135. Panno vs I Mendivil |
| 1-0 | 28 | 1969 | Mar del Plata Zonal | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 136. H Rossetto vs R Garcia |
| ½-½ | 43 | 1969 | Mar del Plata Zonal | B40 Sicilian |
| 137. J Rubinetti vs V Riego |
| 1-0 | 106 | 1969 | Mar del Plata Zonal | B80 Sicilian, Scheveningen |
| 138. S Schweber vs H Camara |
| 0-1 | 56 | 1969 | Mar del Plata Zonal | E70 King's Indian |
| 139. H van Riemsdijk vs Quinteros |
| 0-1 | 54 | 1969 | Mar del Plata Zonal | B27 Sicilian |
| 140. Quinteros vs Mecking |
| 0-1 | 31 | 1969 | Mar del Plata Zonal | A42 Modern Defense, Averbakh System |
| 141. C Silva Sanchez vs Panno |
| 0-1 | 41 | 1969 | Mar del Plata Zonal | D78 Neo-Grunfeld, 6.O-O c6 |
| 142. P Garcia Toledo vs Najdorf |
| 0-1 | 27 | 1969 | Mar del Plata Zonal | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 143. J Canobra vs C Silva Sanchez |
| 0-1 | 41 | 1969 | Mar del Plata Zonal | A01 Nimzovich-Larsen Attack |
| 144. H van Riemsdijk vs L Bronstein |
| ½-½ | 60 | 1969 | Mar del Plata Zonal | C91 Ruy Lopez, Closed |
| 145. C Silva Sanchez vs J Rubinetti |
| 0-1 | 40 | 1969 | Mar del Plata Zonal | B44 Sicilian |
| 146. Panno vs Najdorf |
| 0-1 | 41 | 1969 | Mar del Plata Zonal | E46 Nimzo-Indian |
| 147. V Riego vs C Silva Sanchez |
| 1-0 | 52 | 1969 | Mar del Plata Zonal | C63 Ruy Lopez, Schliemann Defense |
| 148. Najdorf vs J Canobra |
| 1-0 | 36 | 1969 | Mar del Plata Zonal | A80 Dutch |
| 149. C Silva Sanchez vs J L Alvarez del Monte |
| ½-½ | 41 | 1969 | Mar del Plata Zonal | D46 Queen's Gambit Declined Semi-Slav |
| 150. I Mendivil vs C Silva Sanchez |
| 0-1 | 51 | 1969 | Mar del Plata Zonal | C17 French, Winawer, Advance |
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| page 6 of 7; games 126-150 of 171 |
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