Montessoro, Jorge
Current rating: 1482
Record: 17-19-1
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Rojas Severiano, Juan Alberto (1500) | Won 2-1 | +181516 |
| 2sealed | 109 | Martinez Angeles, Carlos Alberto (1490) | Lost 1-2 | -191497 |
| 3sealed | 189 | Rodriguez Franco, Rafael (1503) | Lost 0-2 | -181479 |
| 4sealed | 281 | Cham Morales, Marco Agustin (1481) | Won 2-0 | +181497 |
| 5sealed | 231 | Osorio, Armando (1503) | Won 2-0 | +191516 |
| 6sealed | 153 | Barboza, Francisco (1573) | Lost 1-2 | -171499 |
| 7sealed | 239 | Cortes, Ernesto (1561) | Lost 1-2 | -171482 |
| top | average opponent: 1516record: 3-4 | new rating: 1482 | ||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 66 | Calva, Julio (1584) | Draw 1-1 | +11534 |
| 4sealed | 68 | Castillo Mata, Juan Carlos (1629) | Won 2-1 | +191553 |
| 5sealed | 34 | Martinez Morales, Carlos Eduardo (1462) | Lost 0-2 | -191534 |
| 6sealed | 74 | Holguin Rubio, Gabriel (1535) | Lost 0-2 | -181516 |
| 7sealed | 130 | Arreaga Ayala, Hugo Alpert (1518) | Lost 0-2 | -181498 |
| top | average opponent: 1546record: 1-3-1 | new rating: 1498 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Berumen Galvan, Jorge Alberto (1498) | Won 2-0 | +161573 |
| 2sealed | 112 | garcia huerta, luis iz (1517) | Won 2-0 | +171590 |
| 3sealed | 53 | Hernandez Miramontes, Victor Daniel (1536) | Won 2-1 | +171607 |
| 4sealed | 3 | de la Garza, Lisandro (1646) | Lost 1-2 | -171590 |
| 5sealed | 57 | Lopez Diosdado, Ivan (1501) | Lost 0-2 | -191571 |
| 6sealed | 98 | Hernandez, Marco (1521) | Lost 0-2 | -191552 |
| 7sealed | 164 | Villagrana, Gustavo (1499) | Lost 0-2 | -191533 |
| top | average opponent: 1531record: 3-4 | new rating: 1533 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 21 | Perez Aldana, Alfredo (1536) | Won 2-1 | +181536 |
| 5sealed | 1 | Thomason, Timothy (1814) | Lost 0-2 | -131523 |
| 6sealed | 36 | Pineda Beltran, Arturo (1553) | Won 2-0 | +181541 |
| 7sealed | 22 | Ruiz, Oscar (1555) | Won 2-0 | +191560 |
| 8sealed | 10 | Hernandez, David [MEX] (1621) | Lost 1-2 | -171543 |
| 9draft | 44 | Jaklovsky, Lukas (2000) | Lost 0-2 | -101533 |
| 10draft | 42 | Gosch Acosta, Francisco Fernando (1511) | Won 0-0 | +171550 |
| 11draft | 41 | Levy, Raphael (1943) | Lost 1-2 | -111539 |
| 12draft | 14 | Vallejo Pacheco, Omar (1547) | Won 2-0 | +181557 |
| 13draft | 45 | Pelletier, Christian (1585) | Lost 1-2 | -171540 |
| 14draft | 39 | Gutierrez, Juan Antonio (1475) | Won 2-0 | +171557 |
| top | average opponent: 1649record: 6-5 | new rating: 1557 | ||
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 54 | sanchez ortiz, victor hugo (1500) | Lost 0-2 | -181482 |
| 2block | 100 | Martinez, Rodrigo (1463) | Lost 0-2 | -181464 |
| 3block | 134 | Ruiz, Salvador (1464) | Lost 1-2 | -181446 |
| 4block | 151 | Gonzalez, Hector (1446) | Won 2-1 | +181464 |
| 5block | 128 | Castillo, Geovanni (1464) | Won 2-0 | +181482 |
| 6block | 115 | Lyon, Kristine (1478) | Won 2-1 | +181500 |
| 7block | 84 | Carrada, Jose Luis (1500) | Won 2-1 | +181518 |
| top | average opponent: 1474record: 4-3 | new rating: 1518 | ||