Maestro, Valentin
Current rating: 1565
Record: 22-19
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Diaz, Angel Luis (1437) | Won 2-1 | +151611 |
| 2standard | 37 | Martin Hernandez, Luis Eduardo (1627) | Lost 0-2 | -171594 |
| 3standard | 517 | Boucetta, Joackim (1677) | Won 2-0 | +191613 |
| 4standard | 245 | Pombo, Gimena (1466) | Won 2-0 | +161629 |
| 5standard | 166 | Flores Valle, Jose Miguel (1504) | Lost 0-2 | -211608 |
| 6standard | 358 | Rodriguez Haro, Alberto (1524) | Lost 1-2 | -191589 |
| 7standard | 492 | Castro, Ivan (1418) | Lost 0-2 | -211568 |
| 8standard | 493 | Batista, Fabio (1489) | Lost 1-2 | -201548 |
| 9standard | 450 | Aguilar Pena, Cristian (1480) | Won 2-1 | +171565 |
| top | average opponent: 1514record: 4-5 | new rating: 1565 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Uros, Pol (1539) | Won 2-1 | +191513 |
| 2sealed | 316 | Martin Espada, Agustin (1518) | Won 2-0 | +181531 |
| 3sealed | 104 | Mestre, Raul (1814) | Lost 0-2 | -131518 |
| 4sealed | 167 | Ferreira, Guilherme (1609) | Won 2-1 | +201538 |
| 5sealed | 89 | Perez, Angel Luis (1538) | Won 2-0 | +181556 |
| 6sealed | 36 | Alonso Azcarate, Jacinto (1590) | Won 2-1 | +191575 |
| 7sealed | 24 | Lacroix, Damien (1637) | Won 2-0 | +191594 |
| 8sealed | 17 | Batista, Luis (1632) | Won 2-1 | +181612 |
| 9sealed | 20 | Escribano, Fernando (1647) | ID | 01612 |
| 10draft | 13 | Escribano, Fernando (1647) | Lost 0-2 | -171595 |
| 11draft | 6 | Marrero Negrin, Jaime (1613) | Lost 0-2 | -181577 |
| 12draft | 4 | Martins, Antonio (1577) | Won 2-1 | +181595 |
| 13draft | 48 | Durand, Guillaume (1581) | Lost 1-2 | -181577 |
| 15draft | 40 | Breit, Bernhard (1642) | Won 2-0 | +191596 |
| top | average opponent: 1613record: 9-4-1 | new rating: 1596 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 150 | Esteso, Joaquin (1518) | Won 2-0 | +181529 |
| 2sealed | 3 | Arbos, Carlos (1518) | Won 2-0 | +181547 |
| 3sealed | 67 | Vila, Ferran (1638) | Lost 1-2 | -161531 |
| 4sealed | 94 | Alascio Lopez, Jose Antonio (1517) | Won 2-0 | +181549 |
| 5sealed | 70 | da Costa, Jorge (1572) | Lost 0-2 | -181531 |
| 6sealed | 151 | Olano, Inigo (1517) | Lost 0-2 | -181513 |
| 7sealed | 178 | Pedrero, Emilio (1500) | Lost 1-2 | -191494 |
| top | average opponent: 1540record: 3-4 | new rating: 1494 | ||
| Grand Prix Valencia 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 108 | Oliveira, Paulo (1500) | Won 2-1 | +181518 |
| 2sealed | 40 | Hoyos, Javier (1518) | Won 2-0 | +181536 |
| 3sealed | 16 | Martin, Miguel A. (1500) | Won 2-0 | +171553 |
| 4sealed | 17 | Machado, Hugo (1593) | Won 2-0 | +191572 |
| 5sealed | 13 | Fuller, Ryan (1867) | Lost 0-2 | -131559 |
| 6sealed | 38 | Nunes, Goncalo (1670) | Won 2-0 | +201579 |
| 7sealed | 18 | Gonzalez Lozano, Antonio Fernando (1573) | ID | 01579 |
| 8sealed | 20 | Ibanez Cuevas, Jose Antonio (1570) | Lost 0-2 | -181561 |
| 9draft | 22 | Rodrigo, Jorge (1555) | Lost 1-2 | -181543 |
| 10draft | 29 | Rohde, Karl Heinz (1644) | Won 2-0 | +201563 |
| 11draft | 21 | Bastos, Frederico (1664) | Lost 0-2 | -161547 |
| 12draft | 29 | Martin, Anthony (1598) | Lost 0-2 | -171530 |
| 13draft | 28 | Mariano, Hugo (1504) | Lost 1-2 | -191511 |
| top | average opponent: 1597record: 6-6-1 | new rating: 1511 | ||