Pieterson, Raoul
Current rating: 1650
Record: 25-16-2
| Grand Prix London 2019 (WAR sealed) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 331 | Vik, Gustav (1550) | Won 2-0 | +171601 |
| A2sealed | 52 | Wellinger, Serafin (1954) | Lost 1-2 | -111590 |
| A3sealed | 115 | Achim, Cosmin (1428) | Won 2-0 | +151605 |
| A4sealed | 120 | Roche, Stephen (1518) | Won 2-0 | +161621 |
| A5sealed | 102 | Balzan, Franklin (1559) | Lost 0-2 | -191602 |
| C1sealed | 323 | Isaksson, Marcus (1389) | Won 2-1 | +141616 |
| C2sealed | 202 | van Ravenzwaaij, Don (1828) | Lost 1-2 | -141602 |
| C3sealed | 215 | Bornelov, Susanne (1729) | Lost 0-2 | -161586 |
| C4sealed | 269 | Persaud, Kieran (1397) | Won 2-1 | +151601 |
| C5sealed | 163 | Downing, Jack (1534) | Won 2-0 | +171618 |
| C6sealed | 99 | Halipre, Thomas (1507) | Won 2-0 | +161634 |
| C7sealed | 81 | Conners, William (1538) | Won 2-0 | +161650 |
| top | average opponent: 1578record: 8-4 | new rating: 1650 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Ratier, Pierre (1500) | Lost 1-2 | -201580 |
| 2sealed | 533 | Rudelle, Romain (1488) | Won 2-0 | +161596 |
| 3sealed | 652 | Amann, Aymeric (1484) | Won 2-1 | +161612 |
| 4sealed | 264 | Helfer, Felix (1504) | Lost 1-2 | -201592 |
| 5sealed | 587 | Loubser, Pieter (1555) | Lost 1-2 | -181574 |
| 6sealed | 486 | Kuppers, Daniel (1488) | Won 2-1 | +161590 |
| 7sealed | 356 | Verhulsdonk, Jan (1413) | Lost 0-2 | -211569 |
| 8sealed | 376 | Facchin, Francois (1408) | Won 2-1 | +151584 |
| top | average opponent: 1480record: 4-4 | new rating: 1584 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 437 | Kaftanski, Michal (1548) | Lost 0-2 | -191549 |
| 2sealed | 458 | Nalecz, Jaroslaw (1489) | Draw 1-1 | -11548 |
| 3sealed | 770 | Kottke, Nathalie (1481) | Lost 1-2 | -191529 |
| 4sealed | 837 | Shepherd, David (1397) | Won 2-0 | +161545 |
| 5sealed | 717 | Jernas, Jakub (1487) | Won 2-0 | +171562 |
| 6sealed | 566 | Alvarez, Javier (1578) | Draw 1-1 | 01562 |
| 7sealed | 540 | Sakhan, Vladyslav (1502) | Won 2-1 | +171579 |
| 8sealed | 418 | Wicher, Adam (1751) | Won 2-1 | +211600 |
| top | average opponent: 1529record: 4-2-2 | new rating: 1600 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2288 | Williams, LoneWolf (1576) | Won 2-0 | +191524 |
| 2sealed | 2030 | Sardjan, Danny (1629) | Won 2-0 | +201544 |
| 3sealed | 2147 | Gomez-Salas Ramirez, J (1581) | Won 2-0 | +191563 |
| 4sealed | 2001 | Liebecke, Andre (1598) | Won 2-1 | +181581 |
| 5sealed | 2002 | Schuringa, Sebastiaan (1570) | Won 2-1 | +181599 |
| 6sealed | 2023 | Esposito, Roberto (1833) | Lost 1-2 | -141585 |
| 7sealed | 2059 | Wolff, Tobias (1635) | Lost 0-2 | -171568 |
| 8sealed | 2086 | Chow, Chee-Kean (1526) | Won 2-0 | +171585 |
| 9sealed | 2058 | Collinet, Patrick (1599) | Lost 1-2 | -171568 |
| top | average opponent: 1616record: 6-3 | new rating: 1568 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 461 | Healey, Stewart (1552) | Lost 0-2 | -171483 |
| 2standard | 576 | Erkens, Jules (1482) | Won 2-0 | +181501 |
| 3standard | 445 | Sauer, Robin (1506) | Won 2-1 | +181519 |
| 4standard | 377 | Plagge, Julian (1737) | Lost 1-2 | -141505 |
| 5standard | 392 | Aerts, Dries (1495) | Won 2-1 | +181523 |
| 6standard | 424 | Van Esch, Joey (1526) | Lost 0-2 | -181505 |
| top | average opponent: 1550record: 3-3 | new rating: 1505 | ||