Morales, Mario O
Current rating: 1634
Record: 24-16-1
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Jara Luna, Alvaro (1500) | Won 2-0 | +151649 |
| 2standard | 85 | Peralta, Leandro (1481) | Won 2-0 | +151664 |
| 3standard | 128 | Acevedo, Cristian (1537) | Lost 1-2 | -201644 |
| 4standard | 209 | Almeida, Marcela (1471) | Lost 0-1 | -211623 |
| 5standard | 236 | Grandon, Manuel (1480) | Won 2-1 | +151638 |
| 6standard | 120 | Martins, Daniel (1632) | Lost 0-2 | -181620 |
| 7standard | 253 | Guinez, Jean Pierre (1480) | Won 2-0 | +161636 |
| 8standard | 122 | Iturra, Carlos (1639) | Lost 0-2 | -181618 |
| 9standard | 205 | Buschmann, Arturo (1509) | Won 2-1 | +161634 |
| top | average opponent: 1525record: 5-4 | new rating: 1634 | ||
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 283 | Chenade, Camilo (1500) | Won 2-1 | +171557 |
| 2sealed | 170 | De Paoli, Santiago (1729) | Lost 1-2 | -151542 |
| 3sealed | 226 | Cardenas, Ignacio (1468) | Won 2-1 | +171559 |
| 4sealed | 218 | Arcos, Ricardo (1509) | Won 2-1 | +171576 |
| 5sealed | 138 | Clavero Vera, Ingrid (1555) | Won 2-0 | +171593 |
| 6sealed | 66 | Garrido, Camilo (1471) | Won 2-0 | +161609 |
| 7sealed | 39 | De Ioannes, Emilio (1547) | Won 2-1 | +171626 |
| 8sealed | 17 | Quiroga, Martin (1760) | Lost 0-2 | -161610 |
| 9sealed | 55 | Cartechini, Mariano (1818) | Won 2-0 | +221632 |
| 10draft | 21 | Rizzo, Jonathan (1693) | Won 2-0 | +191651 |
| 11draft | 26 | Alcalde, Eduardo (1598) | Lost 1-2 | -191632 |
| 12draft | 4 | Valencia, Leandro (1650) | Lost 0-2 | -171615 |
| 13draft | 12 | Casanova, Hector (1467) | Won 2-1 | +151630 |
| 14draft | 38 | Zegarra, Jose (1653) | Lost 0-2 | -181612 |
| 15draft | 30 | Sanchez, Maximiliano (1806) | Won 2-0 | +221634 |
| top | average opponent: 1615record: 10-5 | new rating: 1634 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 82 | saez, claudio (1500) | Lost 1-2 | -181469 |
| 2modern | 247 | morales, oscar (1481) | Won 2-0 | +181487 |
| 3modern | 191 | Martinez, Felipe (1469) | Lost 1-2 | -181469 |
| 4modern | 321 | Vicencio, Miguel A (1483) | Won 2-0 | +181487 |
| 5modern | 188 | Rodrigues, Ederson (1452) | Won 2-1 | +171504 |
| 6modern | 211 | Segovia, Rodrigo (1517) | Won 2-0 | +191523 |
| 7modern | 102 | Zocola, Sebastian (1488) | Won 2-0 | +171540 |
| 8modern | 96 | Zumelzu Martinez, Marcelo A (1525) | Won 2-1 | +181558 |
| 9modern | 51 | Rojo Righetti, Fernando Ignacio (1557) | Lost 0-2 | -181540 |
| top | average opponent: 1497record: 6-3 | new rating: 1540 | ||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 36 | Searles, James (1574) | Won 2-1 | +191519 |
| 3sealed | 32 | Figuerredo, Luis Ferna (1538) | Lost 0-2 | -171502 |
| 4sealed | 146 | Fuentes, David (1518) | Won 2-0 | +181520 |
| 5sealed | 110 | Perez, Walter (1535) | Draw 1-1 | 01520 |
| 6sealed | 96 | Gaete, Francisco (1564) | Lost 0-2 | -171503 |
| 7sealed | 153 | Vinci, Luis (1517) | Won 2-1 | +181521 |
| 8sealed | 107 | Reyes, David (1551) | Lost 0-2 | -171504 |
| 9sealed | 113 | Silva, Danilo (1543) | Lost 1-2 | -171487 |
| top | average opponent: 1543record: 3-4-1 | new rating: 1487 | ||