Smyth, John
Current rating: 1509
Record: 15-15
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 488 | Wilk, Marcin (1453) | Lost 1-2 | -201526 |
| 2sealed | 583 | Nuthall, Mark (1596) | Lost 0-2 | -171509 |
| top | average opponent: 1525record: 0-2 | new rating: 1509 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 377 | Ryding, Erik (1544) | Won 2-1 | +181567 |
| 2sealed | 64 | Pastarmadzhiev, Angel (1590) | Lost 1-2 | -171550 |
| 3sealed | 642 | Delas, Michel (1265) | Won 2-1 | +131563 |
| 4sealed | 332 | Pronik, Renata (1575) | Lost 0-2 | -181545 |
| 5sealed | 609 | Otte, Phillip (1456) | Won 2-0 | +161561 |
| 6sealed | 384 | Porten, Andreas (1624) | Won 2-1 | +191580 |
| 7sealed | 187 | Szoke, Zoltan (1701) | Lost 0-2 | -151565 |
| 8sealed | 371 | Schwarz, Christian (1512) | Lost 0-2 | -191546 |
| top | average opponent: 1533record: 4-4 | new rating: 1546 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Sistek, Martin (1498) | Won 2-0 | +181543 |
| 2sealed | 143 | Hampl, Benjamin (1610) | Won 2-0 | +191562 |
| 3sealed | 80 | Weber, Robert (1507) | Lost 1-2 | -191543 |
| 4sealed | 109 | Tang, Kiri (1598) | Won 2-0 | +191562 |
| 5sealed | 109 | Nemec, Jakub (1536) | Lost 1-2 | -191543 |
| 6sealed | 161 | Michels, Tim (1694) | Won 2-0 | +211564 |
| 7sealed | 103 | Seibold, Christian (1752) | Lost 0-2 | -151549 |
| top | average opponent: 1599record: 4-3 | new rating: 1549 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 727 | Reinsch, Max (1500) | Lost 0-2 | -181481 |
| 2sealed | 800 | Reichart, Andre (1482) | Won 2-0 | +181499 |
| 3sealed | 643 | Kirkegaard, Hack Kampmann (1499) | Won 2-0 | +181517 |
| 4sealed | 686 | Nolting, Florian (1474) | Won 2-0 | +171534 |
| 5sealed | 585 | Dictus, Mark (1795) | Won 2-0 | +231557 |
| 6sealed | 574 | Wache, Paul (1730) | Lost 0-2 | -151542 |
| 7sealed | 621 | Ravagli, Luca (1611) | Lost 0-2 | -171525 |
| top | average opponent: 1585record: 4-3 | new rating: 1525 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Chojnacki, Jakub (1347) | Lost 0-2 | -211479 |
| 2sealed | 219 | Hahn, Daniel (1482) | Won 2-1 | +181497 |
| 3sealed | 281 | Kopecky, Krystof (1500) | Lost 1-2 | -181479 |
| 4sealed | 259 | Parfus, Leos (1467) | Won 2-1 | +181497 |
| 5sealed | 270 | Barrofet, Xavier (1575) | Won 2-1 | +201517 |
| 6sealed | 151 | Roessler, Pavel (1530) | Lost 0-2 | -181499 |
| top | average opponent: 1484record: 3-3 | new rating: 1499 | ||