Heisel, Guido
Current rating: 1485
Record: 7-8-1
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 420 | Svensson, Eric (1500) | Lost 0-0 | -191522 |
| 2standard | 631 | Sandhovel, Mario (1507) | Lost 0-0 | -181504 |
| 3standard | 898 | Hubbard, John (1474) | Won 2-0 | +171521 |
| 4standard | 833 | Fukala, Dalibor (1561) | Lost 1-2 | -171504 |
| 5standard | 823 | Turkoglu, Umut (1638) | Lost 0-2 | -151489 |
| 6standard | 754 | De Bruyne, David (1447) | Won 2-0 | +171506 |
| 7standard | 594 | Czapski, Mateusz (1434) | Draw 1-1 | -21504 |
| 8standard | 510 | Morel, Augustin (1441) | Lost 0-2 | -191485 |
| average opponent: 1500record: 2-5-1 | new rating: 1485 | |||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2010 | van Zutphen, Ronald (1694) | Won 2-1 | +211521 |
| 2sealed | 2018 | van Dongen, Yoram (1500) | Won 2-1 | +181539 |
| 3sealed | 2167 | Esser, Florian (1653) | Won 2-1 | +201559 |
| 4sealed | 2011 | Body, John (1361) | Won 2-0 | +151574 |
| 5sealed | 2040 | Southworth, Luke (1615) | Lost 0-2 | -181556 |
| 6sealed | 2090 | Nieto, Oscar (1652) | Won 2-0 | +201576 |
| 7sealed | 2058 | Cabrero, Joan (1611) | Lost 0-2 | -171559 |
| 8sealed | 2048 | Hershkovitz, Uri (1570) | Lost 1-2 | -181541 |
| average opponent: 1582record: 5-3 | new rating: 1541 | |||