Concepcion, Jeffrey
Current rating: 1567
Record: 9-6
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 188 | Richard, Lukas (1500) | Lost 0-2 | -201567 |
| record: 0-1 | new rating: 1567 | |||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 64 | Nowak, Alexander (1596) | Lost 0-2 | -161484 |
| 3standard | 584 | Schubert, Alex (1501) | Won 2-0 | +181502 |
| 4standard | 375 | Simonot, Timothee (1844) | Won 2-1 | +241526 |
| 5standard | 198 | Locatelli, Elia (1560) | Won 2-0 | +191545 |
| 6standard | 43 | Gulidin, Alexey (1514) | Lost 1-2 | -191526 |
| 7standard | 201 | Clemedtson, Christopher (1567) | Won 2-0 | +191545 |
| 8standard | 118 | Zimmermann, Jonas (1716) | Won 2-1 | +211566 |
| 9standard | 135 | Cukovic, Marko M (1569) | Won 2-0 | +181584 |
| 10standard | 41 | Kopp, Andre (1574) | Lost 0-2 | -181566 |
| 11standard | 100 | Galovic, Dusan (1561) | Lost 0-2 | -181548 |
| 12standard | 100 | Geberovich, Benjamin (1533) | Won 2-1 | +171565 |
| 13standard | 69 | Nystrom, Per (1758) | Won 2-0 | +221587 |
| 14standard | 65 | Leskovsek, Svarun (1587) | Lost 1-2 | -181569 |
| 15standard | 78 | Pietura, Adrian (1563) | Won 2-1 | +181587 |
| average opponent: 1603record: 9-5 | new rating: 1587 | |||