van Heerden, Thomas
Current rating: 1459
Record: 6-7 (GP) / 2-6 (professional)
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Brinkman, Martin (1318) | Won 2-1 | +151459 |
| 2standard | 76 | Costa, Tiago (1505) | Won 2-0 | +191478 |
| 3standard | 252 | Grosch, Mirko (1559) | Won 2-0 | +201498 |
| 4standard | 157 | Dohmen, David (1544) | Lost 1-2 | -181480 |
| 5standard | 205 | Norberg, Andreas (1590) | Won 2-1 | +201500 |
| 6standard | 73 | Gates, Dominic (1603) | Lost 0-2 | -161484 |
| 7standard | 237 | Dagen, Pierre (1994) | Lost 1-2 | -91475 |
| 8standard | 307 | Korver, Joris (1613) | Lost 1-2 | -161459 |
| top | average opponent: 1591record: 4-4 | new rating: 1459 | ||
| Pro Tour Born of the Gods (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 141 | Watsfeldt, Elias (1625) | Lost 0-2 | -161464 |
| 2draft | 172 | Southworth, Jason (1622) | Lost 0-2 | -151449 |
| 3draft | 155 | Yasooka, Shota (2137) | Won 2-1 | +291478 |
| 4modern | 148 | Picard, Pete (1698) | Lost 1-2 | -141464 |
| 5modern | 177 | Castellan Robles, Rigoberto (1548) | Won 2-1 | +201484 |
| 6modern | 104 | Edwardson, Timothy (1550) | Lost 0-2 | -171467 |
| 7modern | 143 | Costa, Matthew (1979) | Lost 0-2 | -101457 |
| 8modern | 172 | Kuo, Tzu-Ching (1694) | Lost 1-2 | -131444 |
| top | average opponent: 1732record: 2-6 | new rating: 1444 | ||
| Grand Prix Cape Town 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 10 | Volschenk, Rikus (1500) | Won 2-0 | +181518 |
| 3sealed | 4 | Klein, Peter (1519) | Lost 1-2 | -181500 |
| 4sealed | 34 | Campbell, Alan (1452) | Lost 0-2 | -191481 |
| 5sealed | 43 | Winter, Jonathan [ZAF] (1500) | Won 2-0 | +181499 |
| 6sealed | 30 | Tanchel, Russell (1402) | Lost 1-2 | -191480 |
| top | average opponent: 1475record: 2-3 | new rating: 1480 | ||