Berkhuizen, Naud
Current rating: 1565
Record: 21-22
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 156 | Stocking, Christopher (1706) | Lost 0-2 | -141502 |
| 4sealed | 381 | Johnson, Sven (1615) | Won 2-0 | +201522 |
| 5sealed | 95 | Mertins, Alexander (1943) | Won 2-0 | +251547 |
| 6sealed | 149 | Zimmermann, Raoul (1959) | Won 2-0 | +251572 |
| 7sealed | 93 | Einaudi, Giacomo (1839) | Won 2-0 | +231595 |
| 8sealed | 51 | Klein, Fabian (1739) | Lost 1-2 | -161579 |
| 9sealed | 266 | Ramboa, Thierry (1842) | Won 2-1 | +231602 |
| 10draft | 42 | Goddard, Sean (1881) | Lost 0-2 | -131589 |
| 11draft | 42 | Steinecke, Michael (1743) | Lost 0-2 | -151574 |
| 12draft | 42 | Hugony, Francesco (1789) | Won 2-1 | +221596 |
| 13draft | 94 | Delvigne, Emmanuel (1761) | Lost 0-2 | -151581 |
| 15draft | 44 | Molder, Petter (1686) | Lost 0-2 | -161565 |
| top | average opponent: 1792record: 6-6 | new rating: 1565 | ||
| Grand Prix Birmingham 2019 (modern) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 93 | Proctor, James [GB] (1518) | Lost 1-2 | -191532 |
| 3modern | 226 | Garbett, Harry (1638) | Lost 1-2 | -161516 |
| 4modern | 335 | Sommerfeld, Kai (1480) | Won 2-0 | +171533 |
| 5modern | 316 | Brown, Gary (1584) | Lost 0-2 | -171516 |
| top | average opponent: 1555record: 1-3 | new rating: 1516 | ||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 403 | Kohler, Johan (1500) | Won 2-0 | +181521 |
| 2modern | 30 | Svensson, Patrik (1509) | Won 2-0 | +171538 |
| 3modern | 163 | Rohman, Nicklas (1389) | Won 2-0 | +161554 |
| 4modern | 147 | Twist, Lukas (1897) | Won 2-1 | +241578 |
| 5modern | 14 | Norgaard, Lasse (1814) | Lost 1-2 | -141564 |
| 6modern | 66 | Rasmussen, Martin (1646) | Won 2-0 | +191583 |
| 7modern | 60 | Porten, Andreas (1617) | Lost 0-2 | -171566 |
| 8modern | 77 | Laguerre, Mathieu (1700) | Lost 1-2 | -151551 |
| top | average opponent: 1634record: 5-3 | new rating: 1551 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 138 | Niebler, Stephan (1655) | Lost 1-2 | -151476 |
| 4modern | 506 | Tang, Duncan (1754) | Won 2-0 | +231499 |
| 5modern | 243 | Strautz, Marcel (1585) | Won 2-0 | +201519 |
| 6modern | 260 | Harvey, Dominic (1622) | Lost 1-2 | -161503 |
| 7modern | 341 | Javaux, Antoine (1525) | Won 2-0 | +181521 |
| 8modern | 236 | Kistler, Patrick (1505) | Lost 0-2 | -181503 |
| top | average opponent: 1607record: 3-3 | new rating: 1503 | ||
| Grand Prix Brussels 2018 (M19 standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 73 | Garcia, Paul (1383) | Won 2-1 | +161506 |
| 2standard | 122 | Frnka, Roman (1529) | Won 2-0 | +181524 |
| 3standard | 140 | Tomic, Vuk (1524) | Lost 0-2 | -181506 |
| 4standard | 233 | Maurri, Filippo (1854) | Lost 0-2 | -121494 |
| 5standard | 362 | Kelterbaum, Catherine (1316) | Lost 0-2 | -211473 |
| 6standard | 420 | Plaksiychuk, Alexander (1484) | Won 2-0 | +181491 |
| top | average opponent: 1515record: 3-3 | new rating: 1491 | ||
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 303 | Jessen, Emil (1533) | Won 2-0 | +191519 |
| 2modern | 296 | Bork, Kenneth (1507) | Won 2-1 | +171536 |
| 3modern | 72 | Utyatnikov, Leonid (1541) | Won 2-1 | +181554 |
| 4modern | 114 | Kirkegaard, Anders (1558) | Lost 0-2 | -171537 |
| 5modern | 120 | Le Briand, Loic (1807) | Lost 0-2 | -141523 |
| 6modern | 249 | Johansson, Alexander (1656) | Lost 0-2 | -151508 |
| 7modern | 375 | Teti, Luigi (1505) | Lost 0-2 | -181490 |
| top | average opponent: 1587record: 3-4 | new rating: 1490 | ||