Gaviola, Michael Joey
Current rating: 1566
Record: 20-17-2
| Grand Prix Brisbane 2019 (ELD standard) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 74 | Hilzinger, Joshua (1464) | Lost 1-2 | -191510 |
| 2standard | 153 | Van Kruyssen, Daniel (1484) | Lost 0-2 | -191491 |
| 3standard | 187 | Callaghan, Noah (1486) | Won 2-0 | +181509 |
| 4standard | 190 | Stocksiek, Matthew (1482) | Won 2-0 | +181527 |
| 5standard | 135 | Rayson, Shawn (1786) | Lost 1-2 | -141513 |
| 6standard | 132 | Andrews, Fraser (1487) | Won 2-0 | +181531 |
| 7standard | 93 | Byrne, Zachary (1502) | Won 2-1 | +171548 |
| 8standard | 61 | Sharpe, Patrick (1520) | Won 2-0 | +181566 |
| top | average opponent: 1526record: 5-3 | new rating: 1566 | ||
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 198 | Li, Qiang (1599) | Lost 1-2 | -171500 |
| 4modern | 226 | Deng, Chujian (1524) | Lost 0-2 | -181482 |
| 5modern | 297 | Yau, Ka Wing (1653) | Won 1-0 | +221504 |
| 6modern | 211 | Liu, Rongpei (1548) | Won 2-1 | +181522 |
| 7modern | 101 | Pascual, Cholo (1686) | Lost 0-2 | -151507 |
| 8modern | 159 | Ma, Noah (1705) | Won 2-0 | +221529 |
| top | average opponent: 1619record: 3-3 | new rating: 1529 | ||
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 51 | Reyes, Kyle (1354) | Won 2-0 | +151532 |
| 2standard | 52 | Alabanza, Peter Jason (1583) | Lost 1-2 | -171515 |
| 3standard | 295 | Sanchez, Rizalino Jose (1717) | Draw 1-1 | +41519 |
| 4standard | 241 | Laureta, Martin (1446) | Lost 0-2 | -201499 |
| 5standard | 297 | Cuico, Ron Frederick (1505) | Won 2-0 | +191518 |
| 6standard | 239 | Rosales, Orlando (1453) | Won 2-1 | +161534 |
| 7standard | 161 | Golpeo, Kirsten (1543) | Lost 1-2 | -171517 |
| top | average opponent: 1515record: 3-3-1 | new rating: 1517 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 466 | Eusebio, Ariel (1450) | Lost 1-2 | -211599 |
| 2standard | 443 | Tugbang, Jape (1383) | Lost 1-2 | -221577 |
| 3standard | 573 | Semana, Dandy (1464) | Lost 0-2 | -201557 |
| 4standard | 659 | Gaela, Jerry (1445) | Lost 0-2 | -201537 |
| 5standard | 655 | Urian, John Paul (1432) | Lost 0-2 | -201517 |
| top | average opponent: 1435record: 0-5 | new rating: 1517 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 83 | Mohd Khairul Anuar, Abdul Aziz (1543) | Lost 1-2 | -171483 |
| 4standard | 218 | Singian, Joseph Martin (1517) | Won 2-0 | +181501 |
| 5standard | 121 | Geron, Antonette (1569) | Won 2-1 | +201521 |
| 6standard | 91 | Dela Cruz, Mark Brian (1537) | Won 2-1 | +181539 |
| 7standard | 31 | Ortega, Dominic (1754) | Won 2-0 | +221561 |
| 8standard | 20 | Lai, Chien-Shie (1643) | Won 2-1 | +191580 |
| 9standard | 7 | Tan, Richmond (1615) | Lost 0-2 | -171563 |
| 10standard | 36 | Savoie, Joseph (1549) | Won 2-0 | +181581 |
| 11standard | 15 | Enriquez, Emil Gabriel (1613) | Lost 1-2 | -181563 |
| 12standard | 26 | Lucero, Red (1694) | Won 2-0 | +211584 |
| 13standard | 27 | Calucag, Richard (1591) | Won 2-0 | +181602 |
| 14standard | 19 | Samaniego, Lawrence (1602) | Draw 1-1 | 01602 |
| 15standard | 16 | Gonzales, Mark Joseph (1618) | Won 2-0 | +181620 |
| top | average opponent: 1603record: 9-3-1 | new rating: 1620 | ||