Jonski, Kamil
Current rating: 1557
Record: 29-26-2
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 876 | Kozuch, Frantisek (1426) | Won 2-0 | +161555 |
| 3sealed | 89 | Hohengassner, Thomas (1560) | Lost 0-2 | -171538 |
| 4sealed | 552 | Dijt, Sven (1650) | Lost 0-2 | -161522 |
| 5sealed | 755 | Zavodny, Ludvik (1503) | Lost 0-2 | -191503 |
| 6sealed | 783 | Van Der Veen, Joschua (1493) | Won 2-0 | +181521 |
| 7sealed | 652 | Hartmann, Sonja (1483) | Won 2-0 | +171538 |
| 8sealed | 480 | Stettner, Elad (1570) | Won 2-0 | +191557 |
| top | average opponent: 1526record: 4-3 | new rating: 1557 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 62 | Woelfler, Walter (1540) | Draw 1-1 | +11498 |
| 3sealed | 435 | Budzyn, Thomas (1576) | Won 2-1 | +191517 |
| 4sealed | 223 | Walli, Martin (1493) | Lost 0-2 | -181499 |
| 5sealed | 421 | Grbec, Aljaz (1401) | Won 2-0 | +161515 |
| 6sealed | 268 | Gundogdu, Alper (1515) | Won 2-0 | +181533 |
| 7sealed | 161 | Meijberg, Abel (1490) | Won 2-0 | +171550 |
| 8sealed | 97 | Pruijt, Daan (1982) | Lost 0-2 | -111539 |
| top | average opponent: 1571record: 4-2-1 | new rating: 1539 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 271 | Delbaere, Marc (1501) | Lost 0-2 | -191532 |
| 3sealed | 545 | Montanana, Vicente (1438) | Won 2-0 | +171549 |
| 4sealed | 372 | O'Donnell, William (1523) | Lost 1-2 | -191530 |
| 5sealed | 600 | Boldrini, Giulio (1759) | Lost 1-2 | -141516 |
| 6sealed | 667 | Bennett, Nicholas [ENG] (1402) | Lost 1-2 | -201496 |
| 7sealed | 608 | Horlock, Rhys (1561) | Won 2-0 | +191515 |
| 8sealed | 488 | Wright, Oliver (1492) | Lost 1-2 | -181497 |
| top | average opponent: 1525record: 2-5 | new rating: 1497 | ||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 116 | Loffredo, Luca (1548) | Lost 1-2 | -181520 |
| 2standard | 371 | Hammarlund Corselli, Michael (1529) | Lost 1-2 | -181502 |
| 3standard | 553 | Ruiz, Pablo (1433) | Lost 0-2 | -191483 |
| 4standard | 579 | De Corte, Olivier (1414) | Won 2-0 | +161499 |
| 5standard | 530 | Vavra, Ondrej (1415) | Won 2-0 | +171516 |
| 6standard | 454 | Fredriksson, Emil (1476) | Won 2-1 | +171533 |
| 7standard | 388 | Jakob, Tobias (1583) | Won 2-1 | +191552 |
| 8standard | 252 | Whytock, Calum (1552) | Lost 0-2 | -181534 |
| 9standard | 306 | Smithells, Rose (1484) | Won 2-0 | +171551 |
| top | average opponent: 1493record: 5-4 | new rating: 1551 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Titi, Mayan (1500) | Lost 1-2 | -181502 |
| 2sealed | 367 | Owen, Tom (1416) | Lost 1-2 | -201482 |
| 3sealed | 507 | Anderson, Cameron (1503) | Lost 0-2 | -181464 |
| 4sealed | 540 | Tunwell, Chris (1371) | Won 2-0 | +171481 |
| 5sealed | 483 | Corwood, James (1556) | Won 2-1 | +191500 |
| 6sealed | 365 | Pichon, Elie (1668) | Won 2-0 | +211521 |
| 7sealed | 380 | Lepisto, Martti (1480) | Lost 1-2 | -191502 |
| 8sealed | 315 | Roxborough, Hannah (1477) | Won 2-0 | +181520 |
| 9sealed | 293 | Rensfeldt, Gunnar (1499) | Won 2-0 | +181538 |
| top | average opponent: 1497record: 5-4 | new rating: 1538 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 437 | Tuovinen, Tomi (1587) | Lost 1-2 | -171523 |
| 2sealed | 434 | Hahn, Fabian (1656) | Won 2-1 | +211544 |
| 3sealed | 514 | Flouzat, Julien (1527) | Lost 1-2 | -191525 |
| 4sealed | 653 | Jansen, Sebastiaan (1503) | Lost 1-2 | -181507 |
| 5sealed | 617 | Lyahovets, Mikhail (1460) | Lost 1-2 | -191488 |
| 6sealed | 622 | Haettig, Daniel (1447) | Won 2-0 | +171505 |
| 7sealed | 547 | Urmetzer, Marc (1394) | Won 2-0 | +161521 |
| 8sealed | 469 | Niederkircher, Frederik (1531) | Won 2-1 | +181539 |
| 9sealed | 400 | Botta, Fabrizio (1466) | Lost 0-2 | -191520 |
| top | average opponent: 1508record: 4-5 | new rating: 1520 | ||
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Quinzi, David (1471) | Won 1-0 | +171517 |
| 2sealed | 21 | Geffroy, Olivier (1420) | Won 2-0 | +171534 |
| 3sealed | 302 | Ranieri, Giorgio (1463) | Won 2-0 | +161550 |
| 4sealed | 49 | Paco Abenoza, Aria (1792) | Lost 0-2 | -131537 |
| 5sealed | 315 | Servius, Christophe (1656) | Lost 1-2 | -161521 |
| 6sealed | 444 | Richardet, Yvan (1520) | Draw 1-1 | 01521 |
| 7sealed | 397 | Dravet, Aurelien (1510) | Won 2-1 | +181539 |
| 8sealed | 282 | Iacono, Alessandro (1509) | Lost 1-2 | -191520 |
| 9sealed | 385 | Ben Aribi, Fathi (1636) | Won 2-0 | +201540 |
| top | average opponent: 1553record: 5-3-1 | new rating: 1540 | ||