Perez, Jon Aingeru
Current rating: 1434
Record: 12-18
| Grand Prix Barcelona 2019 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 212 | Fumagalli, Luca (1374) | Won 2-0 | +161505 |
| 2modern | 54 | Scazzoli, Davide (1432) | Won 2-1 | +171522 |
| 3modern | 221 | Reina, Daniel (1453) | Lost 1-2 | -191503 |
| 4modern | 408 | Giachin Ricca, Stephane (1468) | Lost 0-2 | -191484 |
| 5modern | 560 | Vrooman, Jacob (1504) | Lost 0-2 | -181466 |
| 6modern | 552 | Blasi, Matteo (1680) | Lost 1-2 | -141452 |
| 7modern | 478 | Aso, Javier (1463) | Lost 0-2 | -181434 |
| top | average opponent: 1482record: 2-5 | new rating: 1434 | ||
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 180 | Yu, Haiyue (1586) | Won 2-1 | +201476 |
| 3standard | 36 | Mueller, Dominic (1605) | Won 2-1 | +211497 |
| 4standard | 105 | Corless, Josh (1386) | Won 2-1 | +161513 |
| 5standard | 58 | Geffroy, Francois (1743) | Lost 1-2 | -141499 |
| 6standard | 103 | Taylor, Nathan (1639) | Won 2-1 | +201519 |
| 7standard | 34 | Verheul, Olivier (1487) | Won 2-0 | +181537 |
| 8standard | 55 | Schwarz, Sascha (1823) | Lost 0-2 | -131524 |
| 9standard | 114 | Deckert, Michael (1864) | Lost 0-2 | -121512 |
| 10standard | 107 | Perry, Emma (1517) | Won 2-1 | +181530 |
| 11standard | 57 | Depraz, Jean-Emmanuel (2134) | Lost 0-2 | -81522 |
| 12standard | 77 | Fernandes, Andrew (1704) | Lost 1-2 | -151507 |
| 13standard | 101 | Green, Christoph (1527) | Lost 0-2 | -181489 |
| top | average opponent: 1668record: 6-6 | new rating: 1489 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 223 | Guidi, Nicola (1435) | Lost 0-2 | -191473 |
| 2legacy | 462 | Dams, Sam (1499) | Lost 0-2 | -171456 |
| top | average opponent: 1467record: 0-2 | new rating: 1456 | ||
| Grand Prix Barcelona 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 77 | Forte, Sylvain (1476) | Lost 0-2 | -181482 |
| 2standard | 310 | Ovenden, Chris (1392) | Lost 1-2 | -201462 |
| 3standard | 565 | Ahkaloo, Jhayshan (1791) | Lost 1-2 | -121450 |
| 4standard | 611 | Jovell Megias, Ferran (1439) | Won 2-0 | +181468 |
| 5standard | 534 | Colantoni, Giorgio (1529) | Won 2-0 | +191487 |
| 6standard | 437 | Blanco Gonzalez, Ramon (1489) | Lost 1-2 | -181469 |
| 7standard | 518 | Marcotti, Emanuele (1752) | Lost 0-2 | -131456 |
| 8standard | 462 | Fabregas, Joan (1416) | Won 2-0 | +171473 |
| 9standard | 412 | Marques, Andre (1553) | Won 2-1 | +191492 |
| top | average opponent: 1537record: 4-5 | new rating: 1492 | ||