Kettula, Joel
Current rating: 1469
Record: 11-13-1
| Grand Prix Bologna 2019 (legacy) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 241 | Hartmann, Xavier (1491) | Won 2-0 | +191484 |
| 2legacy | 163 | Murphy, Tadhg (1680) | Draw 1-1 | +31487 |
| 3legacy | 312 | Kaufmann, Martin (1367) | Won 2-1 | +161503 |
| 4legacy | 160 | Celen, Irvin (1553) | Lost 0-2 | -171486 |
| 5legacy | 328 | Barguino, Nicola (1518) | Won 2-1 | +191505 |
| 6legacy | 208 | Spagnoli, Fabrizio (1534) | Lost 0-2 | -181487 |
| 7legacy | 318 | Stach, Martin (1500) | Lost 1-2 | -181469 |
| top | average opponent: 1521record: 3-3-1 | new rating: 1469 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 322 | Tkacz, Mikolaj (1500) | Lost 0-2 | -181480 |
| 2sealed | 593 | Brinkforth, Jan-Hendrik (1447) | Lost 1-2 | -191461 |
| 3sealed | 850 | Lebedevs, Aleksandrs (1463) | Lost 0-2 | -181443 |
| 4sealed | 871 | Danczyszyn, Patryk (1447) | Won 2-0 | +181461 |
| 5sealed | 784 | Deco, Alessandro (1525) | Won 2-0 | +201481 |
| 6sealed | 585 | Mos, Michal (1628) | Lost 0-2 | -161465 |
| top | average opponent: 1502record: 2-4 | new rating: 1465 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2283 | Dorle, Ludovic (1450) | Lost 0-2 | -191518 |
| 2sealed | 2324 | Van Nigtevegt, Jain (1482) | Won 2-0 | +171535 |
| 3sealed | 2216 | [anonymous] | Lost 0-2 | -191516 |
| 4sealed | 2394 | Vassalli, Matteo (1480) | Lost 1-2 | -181498 |
| top | average opponent: 1480record: 1-3 | new rating: 1498 | ||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 51 | Fowler, Jason (1448) | Won 2-0 | +171517 |
| 2standard | 255 | Petsonk, Joshua (1518) | Lost 0-2 | -181499 |
| 3standard | 324 | Kaasik, Mikk (1572) | Lost 0-2 | -171482 |
| 4standard | 397 | Hyttel, Lucas (1464) | Won 2-1 | +181500 |
| 5standard | 37 | Bengtsson, Johannes (1505) | Won 2-0 | +181518 |
| 6standard | 273 | Juto, William (1501) | Won 2-1 | +181536 |
| 7standard | 128 | Carlssone, Mikael (1542) | Won 2-1 | +181554 |
| 8standard | 72 | Landgraf, Svante (1625) | Lost 0-2 | -171537 |
| top | average opponent: 1522record: 5-3 | new rating: 1537 | ||