Weultjes, Johan
Current rating: 1416
Record: 6-11-2
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 245 | Stiefler, Harald (1539) | Lost 0-2 | -161428 |
| 2sealed | 385 | Norberg, Andreas (1531) | Lost 1-2 | -171411 |
| 3sealed | 515 | Molendijk, Gerard (1464) | Lost 1-2 | -171394 |
| 4sealed | 552 | Borisova, Mila (1447) | Won 2-0 | +191413 |
| 5sealed | 465 | Toftgard, Pierre (1467) | Won 2-1 | +191432 |
| 6sealed | 453 | Danz, Jakob (1519) | Lost 0-2 | -161416 |
| top | average opponent: 1495record: 2-4 | new rating: 1416 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 86 | Buys, Werner (1649) | Lost 0-0 | -151443 |
| 2standard | 507 | Coppes, Tobias (1450) | Lost 0-0 | -181425 |
| 3standard | 835 | Verpoorten, Olivier (1436) | Won 2-0 | +191444 |
| 4standard | 132 | Henning, Robin (1402) | Won 2-0 | +171461 |
| 5standard | 577 | Gariston, Yoan (1512) | Lost 0-2 | -171444 |
| top | average opponent: 1490record: 2-3 | new rating: 1444 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Schoots, Ulco (1559) | Draw 1-1 | +21475 |
| 2sealed | 356 | Van Kempen, Nander (1500) | Lost 0-2 | -181457 |
| 3sealed | 596 | Lewis, Dan (1482) | Draw 1-1 | +11458 |
| top | average opponent: 1513record: 0-1-2 | new rating: 1458 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 55 | Dhanpat, Amarnath (1500) | Lost 0-2 | -181482 |
| 2standard | 558 | Van Rooij, Peter (1285) | Lost 0-2 | -221460 |
| 3standard | 727 | Himpe, Arno (1449) | Lost 0-2 | -181442 |
| 4standard | 724 | Heylen, Natalie (1267) | Won 2-1 | +151457 |
| 5standard | 665 | Salomoni, Davide (1368) | Won 2-0 | +161473 |
| top | average opponent: 1374record: 2-3 | new rating: 1473 | ||