Valasiadis, Jon
Current rating: 1423
Record: 8-13-2
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Adami, Michael (1669) | Won 2-0 | +221477 |
| 2sealed | 244 | Bielsa, David (1585) | Lost 1-2 | -161461 |
| 3sealed | 634 | Kroger, Jana Katherina (1316) | Lost 0-2 | -211440 |
| 4sealed | 740 | Edstrom, Christoffer (1480) | Lost 0-2 | -171423 |
| top | average opponent: 1513record: 1-3 | new rating: 1423 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Van der Heijden, Bjorn (1500) | Won 2-0 | +191470 |
| 2sealed | 195 | Jager, Matthias (1397) | Won 2-0 | +161486 |
| 3sealed | 184 | Peltier, Charles (1584) | Lost 0-2 | -161470 |
| 4sealed | 223 | Delabre, Antonin (1546) | Won 2-0 | +191489 |
| 5sealed | 127 | Kaupa, Lukas (1445) | Lost 1-2 | -181471 |
| 6sealed | 372 | Venancio, Ricardo (1622) | Lost 1-2 | -161455 |
| top | average opponent: 1516record: 3-3 | new rating: 1455 | ||
| Grand Prix Naples 2002 (TOR limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Minetto, Marco (1500) | Won 2-0 | +181482 |
| 2sealed | 29 | Pisano, Fabio (1518) | Lost 0-2 | -171465 |
| 3sealed | 90 | Insalaco, Simone (1497) | Draw 1-1 | +11466 |
| 4sealed | 89 | Lillo, Emanuele (1499) | Won 2-1 | +181484 |
| 5sealed | 63 | Allegri, Andrea (1478) | Lost 1-2 | -181466 |
| 6sealed | 84 | Fedriga, Stefano (1601) | Lost 1-2 | -151451 |
| top | average opponent: 1516record: 2-3-1 | new rating: 1451 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Gijsbers, Harrie (1500) | Lost 1-2 | -181482 |
| 2sealed | 167 | Maes, Jerry (1482) | Won 2-0 | +181500 |
| 3sealed | 145 | Eriksson, Niklas (1487) | Lost 0-2 | -181482 |
| 4sealed | 237 | Van Hecke, Bjorn (1483) | Lost 1-2 | -181464 |
| 5sealed | 224 | Ehara, Teruyoshi (1465) | Draw 1-1 | 01464 |
| 6sealed | 195 | Kaszubski, Michael (1463) | Lost 0-2 | -181446 |
| 7sealed | 165 | Moons, Dennis (1446) | Won 2-0 | +181464 |
| top | average opponent: 1475record: 2-4-1 | new rating: 1464 | ||