Maginness, Johnathan
Current rating: 1439
Record: 4-8-3
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Facchini, Nullo (1538) | Draw 0-0 | +21433 |
| 2standard | 457 | Van Borm, Thomas (1508) | Lost 0-0 | -171416 |
| 3standard | 805 | Neves, Paulo (1410) | Won 2-0 | +181434 |
| 4standard | 625 | Stuertz, Matthias (1503) | Won 2-0 | +191453 |
| 5standard | 439 | Artamonova, Maria (1669) | Lost 1-2 | -141439 |
| 6standard | 581 | Cops, Bram (1357) | Draw 1-1 | -11438 |
| 7standard | 562 | De Zeeuw, Donald (1471) | Won 2-0 | +181456 |
| 8standard | 418 | Ruegg, Pascal (1516) | Lost 0-2 | -171439 |
| average opponent: 1497record: 3-3-2 | new rating: 1439 | |||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 258 | Gabbasov, Arman (1500) | Lost 1-2 | -181482 |
| 2sealed | 296 | Fichera, Giovanni (1404) | Lost 1-2 | -191463 |
| 3sealed | 427 | Baumann, Bodo (1567) | Lost 0-2 | -171446 |
| 4sealed | 453 | Schaufelberger, Loreno (1500) | Lost 0-2 | -171429 |
| 5sealed | 85 | Poveda, Sebastien (1436) | Won 2-0 | +191448 |
| 6sealed | 337 | Maginness, Terence (1508) | Draw 1-1 | +11449 |
| 7sealed | 276 | Jedelhauser, Philipp (1449) | Lost 0-2 | -181431 |
| average opponent: 1481record: 1-5-1 | new rating: 1431 | |||