Tann, James
Current rating: 1538
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 312 | Crapts, Sander (1500) | Won 2-1 | +171573 |
| 2sealed | 258 | Sarton, Clement (1668) | Lost 1-2 | -171556 |
| 3sealed | 458 | Haram, Joakim (1657) | Lost 0-2 | -161540 |
| 4sealed | 562 | Bobring, Rolf (1519) | Won 2-1 | +181558 |
| 5sealed | 358 | Nouhaili, Badr (1468) | Lost 1-2 | -201538 |
| top | average opponent: 1562record: 2-3 | new rating: 1538 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 229 | Van Hecke, Eddy (1371) | Won 2-0 | +151576 |
| 2sealed | 140 | Woltjes, Geertjan (1671) | Won 2-1 | +191595 |
| 3sealed | 174 | Debacker, Nicolas (1493) | Lost 0-2 | -191576 |
| 4sealed | 339 | Watabiki, Thomas (1520) | Won 2-0 | +171593 |
| 5sealed | 309 | Gutierrez, Juan Antonio (1415) | Lost 0-2 | -221571 |
| 6sealed | 355 | Condon, Shane (1581) | Won 2-0 | +191590 |
| 7sealed | 203 | Rutar, Andrej (1891) | Lost 0-2 | -131577 |
| 8sealed | 300 | Hvitved, Henrik (1397) | Lost 0-2 | -211556 |
| top | average opponent: 1542record: 4-4 | new rating: 1556 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 487 | Pedersen, Anders (1518) | Won 2-0 | +181518 |
| 3sealed | 465 | Varady, Balazs (1693) | Won 2-0 | +211539 |
| 4sealed | 478 | Enevoldsen, Thomas (1732) | Lost 1-2 | -141525 |
| 5sealed | 454 | Young, Paul (1550) | Won 2-0 | +181543 |
| 6sealed | 475 | Barclay, Bradley (1772) | Won 2-1 | +231566 |
| 7sealed | 566 | Savage, Jason (1595) | Won 2-0 | +181584 |
| 8sealed | 410 | Portaro, Alessandro (1840) | Lost 0-2 | -131571 |
| 9sealed | 566 | Flis, Grzegorz (1622) | Won 2-1 | +191590 |
| 10draft | 31 | Dang, Martin (1837) | Lost 0-2 | -141576 |
| 11draft | 19 | Pishoftas, Haris (1582) | Won 2-1 | +181594 |
| 12draft | 8 | Rico Bleda, Alejandro (1774) | Lost 1-2 | -151579 |
| 13draft | 18 | Round, Ben (1569) | Lost 0-2 | -181561 |
| top | average opponent: 1674record: 7-5 | new rating: 1561 | ||