Stjernstrom, Jonas
Current rating: 1381
Record: 11-19
| Grand Prix Stockholm 2018 (modern) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 130 | Knutson, Hans-Kristian (1401) | Won 2-0 | +181430 |
| 2modern | 84 | Vartiainen, Atte (1403) | Lost 1-2 | -181412 |
| 3modern | 455 | Mons, Stephan (1566) | Lost 0-2 | -151397 |
| 4modern | 517 | Fernstrom, Andreas (1535) | Lost 0-2 | -161381 |
| top | average opponent: 1476record: 1-3 | new rating: 1381 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 372 | Johansen, Mads (1483) | Lost 0-2 | -171425 |
| 2sealed | 297 | Olsson, Magnus (1487) | Won 2-0 | +191444 |
| 3sealed | 315 | Naslund, Anders (1500) | Lost 0-2 | -171427 |
| 4sealed | 470 | Alfonsson, Andreas (1515) | Lost 0-2 | -161411 |
| 5sealed | 510 | Holmberg, Erik 4735 (1466) | Won 2-0 | +191430 |
| 6sealed | 461 | McGregor, Craig (1466) | Lost 0-2 | -181412 |
| top | average opponent: 1486record: 2-4 | new rating: 1412 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Filipowicz, Wojciech (1500) | Won 2-1 | +191466 |
| 2standard | 206 | Marshall, Lewis (1566) | Lost 1-2 | -161450 |
| 3standard | 356 | Nystrom, Jonas A (1500) | Lost 1-2 | -171433 |
| 4standard | 425 | Wright, Simon (1604) | Lost 1-2 | -151418 |
| 5standard | 461 | Amundsen, Rune (1572) | Won 2-1 | +211439 |
| 6standard | 345 | Bassi, Giacomo (1482) | Lost 1-2 | -181421 |
| 7standard | 326 | Aznar Orrego, Irene (1461) | Won 2-0 | +191440 |
| 8standard | 240 | Harper, Lucy (1480) | Won 2-1 | +191459 |
| 9standard | 199 | Pacholek, Marek (1535) | Lost 0-2 | -171442 |
| top | average opponent: 1522record: 4-5 | new rating: 1442 | ||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 223 | Brandt, Jeppe (1558) | Lost 0-2 | -171484 |
| 2standard | 386 | Kallman, Peter (1505) | Won 2-1 | +191503 |
| 3standard | 374 | Ng, Michael (1464) | Lost 1-2 | -191484 |
| 4standard | 363 | Norda, Jason (1397) | Lost 0-2 | -191465 |
| 5standard | 442 | Larkeryd, Adrian Erik (1498) | Lost 0-2 | -181447 |
| top | average opponent: 1485record: 1-4 | new rating: 1447 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 325 | Klyve, Jesper (1500) | Won 2-1 | +181518 |
| 2sealed | 187 | Winkler, Eric (1569) | Lost 1-2 | -171501 |
| 3sealed | 240 | Eriksson, Lars (1491) | Won 2-0 | +181519 |
| 4sealed | 262 | Karslon, David (1518) | Lost 0-2 | -181501 |
| 5sealed | 364 | Norgren, Angelina (1504) | Won 2-1 | +181519 |
| 6sealed | 218 | Larsen, Kai Stian (1550) | Lost 1-2 | -181501 |
| top | average opponent: 1522record: 3-3 | new rating: 1501 | ||