Guevarra, Rey Gene
Current rating: 1555
Record: 10-7-1
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 22 | Ford, Kyle (1417) | Won 2-1 | +151581 |
| 2standard | 23 | Bayog, Francis (1428) | Lost 0-2 | -201561 |
| 3standard | 293 | Dela Riva, Mark Christian (1463) | Lost 0-2 | -201541 |
| 4standard | 299 | Sacyan, Jumar (1477) | Draw 1-1 | -11540 |
| 5standard | 294 | Lim, Exequiel Brian (1517) | Lost 0-2 | -191521 |
| 6standard | 317 | Lim, Angelo (1481) | Won 2-0 | +171538 |
| 7standard | 272 | Lee, Rick Hup Beng (1596) | Lost 0-2 | -161522 |
| 8standard | 275 | Penaranda, Ferd (1464) | Won 2-1 | +161538 |
| 9standard | 229 | Blas, Brian (1478) | Won 2-0 | +171555 |
| average opponent: 1480record: 4-4-1 | new rating: 1555 | |||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 498 | Natividad, Paul John (1620) | Won 2-1 | +201520 |
| 2standard | 45 | Capili, Tristan (1528) | Won 2-0 | +181538 |
| 3standard | 174 | Dizon, Aaron James (1501) | Lost 1-2 | -181520 |
| 4standard | 158 | Manliclic, Christian (1540) | Won 2-0 | +181538 |
| 5standard | 145 | Salim, Wijaya Putra (1637) | Won 2-0 | +201558 |
| 6standard | 78 | Manaloto, Shion-A (1523) | Won 2-1 | +171575 |
| 7standard | 59 | Wong, Weng Sheng (1769) | Lost 0-2 | -141561 |
| 8standard | 85 | Lee, Rick Hup Beng (1753) | Lost 0-2 | -151546 |
| 9standard | 211 | Indrakesuma, Taufik (1650) | Won 2-1 | +201566 |
| average opponent: 1613record: 6-3 | new rating: 1566 | |||