Duenas, John Darwin
Current rating: 1518
Record: 12-12-2
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Soh, Kelvin (1365) | Draw 1-1 | -21493 |
| 2sealed | 183 | Ong, Meng Koon (1359) | Won 2-0 | +151508 |
| 3sealed | 199 | Ho, William (1744) | Draw 1-1 | +51513 |
| 4sealed | 260 | Lee, Jonathan [SGP] (1520) | Won 2-1 | +181531 |
| 5sealed | 173 | Au Yong, Wai Kin (1816) | Lost 0-2 | -131518 |
| top | average opponent: 1561record: 2-1-2 | new rating: 1518 | ||
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 88 | Gonzalez, Marco G (1723) | Lost 0-2 | -141494 |
| 3standard | 259 | Te, Jonathan Mark (1582) | Lost 1-2 | -171477 |
| 4standard | 322 | Torres, Romulo III (1515) | Won 2-0 | +191496 |
| 5standard | 187 | Ortiz, Richmond (1484) | Won 2-0 | +181514 |
| 6standard | 166 | Granados, Chuck (1519) | Lost 1-2 | -181496 |
| 7standard | 237 | Dela Pena, Michael Angelo (1480) | Won 2-1 | +181514 |
| 8standard | 170 | Yu, Ronald Joshua (1493) | Lost 1-2 | -191495 |
| top | average opponent: 1542record: 3-4 | new rating: 1495 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 389 | Bilgera, Erwin (1500) | Lost 0-2 | -171428 |
| 2standard | 435 | Espinelli, James Robert (1482) | Won 2-1 | +191447 |
| 3standard | 500 | Lim, Jamin (1500) | Lost 0-2 | -171430 |
| 4standard | 435 | Burgos, John Ryan (1538) | Won 2-0 | +201450 |
| 5standard | 398 | Deriquito, Roseller (1581) | Won 2-1 | +201470 |
| 6standard | 329 | Candaza, Winfred Zalam (1477) | Won 2-0 | +191489 |
| 7standard | 235 | Abellera, Audwin (1513) | Won 2-1 | +181507 |
| 8standard | 124 | Fabia, Jose Luis P (1555) | Lost 0-2 | -171490 |
| 9standard | 182 | Ople, Ken (1489) | Won 2-1 | +181508 |
| top | average opponent: 1515record: 6-3 | new rating: 1508 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2 | Yupitun, Mark Kenrich (1498) | Won 2-0 | +181518 |
| 2standard | 269 | Villarama, Joel (1505) | Lost 0-2 | -181500 |
| 3standard | 366 | Madrid, Daven Rae (1497) | Lost 0-2 | -181482 |
| 4standard | 397 | Nonato, Lloyd Rey (1447) | Lost 1-2 | -191463 |
| 5standard | 434 | Tirthdas, Adrean (1466) | Lost 0-2 | -181445 |
| top | average opponent: 1483record: 1-4 | new rating: 1445 | ||