Johnstone, James
Current rating: 1473
Record: 7-9
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 388 | Visser, Leanne (1374) | Lost 1-2 | -191422 |
| 2block | 459 | Ziovsky, Tomas (1482) | Won 2-0 | +191441 |
| 3block | 318 | Roach, Adam (1483) | Won 2-0 | +181459 |
| 4block | 256 | Brandt, Sebastian (1515) | Won 2-0 | +191478 |
| 5block | 56 | Sakellis, John (1532) | Won 2-1 | +191497 |
| 6block | 388 | Chapman, Nick (1553) | Won 2-0 | +191516 |
| 7block | 128 | Sjoblom, Max (1882) | Lost 1-2 | -111505 |
| 8block | 129 | Patel, Kayure (1569) | Lost 1-2 | -171488 |
| 9block | 176 | Cazenave, Julien (1639) | Lost 0-2 | -151473 |
| average opponent: 1559record: 5-4 | new rating: 1473 | |||
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Dellar, Martha (1393) | Won 2-0 | +161516 |
| 2sealed | 444 | Larsen, Michael (1314) | Lost 0-2 | -221494 |
| 3sealed | 352 | Rodgers, Matthew (1500) | Lost 0-2 | -171477 |
| 4sealed | 793 | McGill, Matthew (1482) | Won 2-1 | +181495 |
| 5sealed | 572 | Plummer, Richard (1523) | Lost 0-2 | -181477 |
| 6sealed | 601 | Visentin, Pierrick (1458) | Lost 1-2 | -181459 |
| 7sealed | 567 | Fried, Joseph (1460) | Lost 0-2 | -181441 |
| average opponent: 1447record: 2-5 | new rating: 1441 | |||