Hekman, John
Current rating: 1454
Record: 5-8
| Grand Prix London 2016 (KLD limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 337 | Dooms, Bram (1537) | Lost 0-2 | -171429 |
| 2sealed | 664 | Slevin, Iain (1482) | Won 2-0 | +191448 |
| 3sealed | 703 | Murray, Kieran (1455) | Won 2-0 | +181466 |
| 4sealed | 457 | Sagodira, Melodie (1448) | Won 2-0 | +181484 |
| 5sealed | 275 | Wells, David (1570) | Lost 0-2 | -161468 |
| 6sealed | 502 | Saville, Neil (1510) | Won 2-1 | +181486 |
| 7sealed | 468 | Sailes, Mark (1495) | Lost 0-2 | -181468 |
| 8sealed | 638 | van der Linden, Leon (1662) | Lost 0-2 | -141454 |
| average opponent: 1520record: 4-4 | new rating: 1454 | |||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1383 | Lubbering, Dominik (1598) | Lost 1-2 | -161484 |
| 2sealed | 1311 | Dietze, Florian (1522) | Lost 0-2 | -181466 |
| 3sealed | 1476 | Schepman, Patrick (1338) | Won 2-0 | +161482 |
| 4sealed | 1389 | Ziller, Sebastian (1447) | Lost 0-2 | -181464 |
| 5sealed | 1409 | Leifeld, Marcel (1467) | Lost 0-2 | -181446 |
| average opponent: 1474record: 1-4 | new rating: 1446 | |||