Westendorp, Laurens
Current rating: 1487
Record: 22-22-1
| Grand Prix Turin 2018 (M19 limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Evesque, Jeremy (1486) | Won 2-1 | +171560 |
| 2sealed | 220 | Al Takrouri, Karim (1624) | Lost 0-2 | -171543 |
| 3sealed | 328 | Gesiot, Giovanni (1602) | Lost 1-2 | -171526 |
| 4sealed | 381 | Angileri, Massimo (1484) | Won 2-0 | +181544 |
| 5sealed | 385 | Kristiansen, Anders (1468) | Lost 1-2 | -201524 |
| 6sealed | 373 | Noble, Fabian (1504) | Lost 1-2 | -181506 |
| 7sealed | 345 | Richards, Sam (1468) | Lost 0-2 | -191487 |
| top | average opponent: 1520record: 2-5 | new rating: 1487 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Seidel, Christian (1419) | Won 2-1 | +161528 |
| 2sealed | 207 | Monsieurs, Patrick (1603) | Draw 1-1 | +11529 |
| 3sealed | 457 | Achim, Cosmin (1374) | Won 2-1 | +161545 |
| 4sealed | 250 | Botten, Dylan (1540) | Won 2-1 | +171562 |
| 5sealed | 125 | Francke, Matthias (1554) | Won 2-1 | +181580 |
| 6sealed | 63 | Winther, Lasse (1595) | Lost 1-2 | -171563 |
| 7sealed | 173 | Lindhoudt, Florian (1560) | Lost 1-2 | -181545 |
| 8sealed | 306 | Kronenberg, Menno (1534) | Won 2-0 | +171562 |
| 9sealed | 213 | Antonsen, Emma (1497) | Lost 1-2 | -191543 |
| top | average opponent: 1520record: 5-3-1 | new rating: 1543 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 398 | Gay, Benjamin (1450) | Lost 1-2 | -191490 |
| 2sealed | 816 | Baddeley, Joe (1506) | Lost 0-2 | -171473 |
| 3sealed | 1104 | Pattenden, Andrew (1431) | Lost 1-2 | -191454 |
| 4sealed | 1133 | Moran, Dylan (1444) | Won 2-1 | +181472 |
| 5sealed | 1094 | Dunn, Sian (1472) | Won 2-0 | +181490 |
| 6sealed | 935 | Shreeve, Ben (1483) | Won 2-0 | +181508 |
| 7sealed | 713 | Caccia, Alberto (1509) | Won 2-1 | +181526 |
| 8sealed | 465 | Rask, Love (1755) | Lost 0-2 | -141512 |
| top | average opponent: 1506record: 4-4 | new rating: 1512 | ||
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 267 | Sdralis, Christos (1500) | Lost 1-2 | -191535 |
| 2sealed | 636 | Franzoni, Federico (1432) | Lost 1-2 | -191516 |
| 3sealed | 911 | Blanco, Dani (1464) | Won 2-0 | +171533 |
| 4sealed | 764 | Carmona, Marc (1497) | Won 2-1 | +171550 |
| 5sealed | 641 | Kumok, Vadim (1426) | Lost 0-2 | -201530 |
| 6sealed | 761 | Torres Martinez, Daniel Nicolas (1402) | Lost 0-2 | -211509 |
| top | average opponent: 1453record: 2-4 | new rating: 1509 | ||
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 151 | Patino, Julio Cesar (1500) | Lost 1-2 | -181502 |
| 2sealed | 487 | Ortiz Boix, Carla (1481) | Won 2-0 | +181520 |
| 3sealed | 417 | Baca, Alexis (1448) | Lost 0-2 | -201500 |
| 4sealed | 580 | Martin Gonzalez, Jairo Jairo (1478) | Won 2-1 | +181518 |
| 5sealed | 312 | Callejas, Jesus (1564) | Won 2-1 | +191537 |
| 6sealed | 274 | Llana Ramos, Luis (1448) | Won 2-0 | +161553 |
| 7sealed | 274 | Poldsam, Ismo (1742) | Won 2-0 | +221575 |
| 8sealed | 80 | Santamaria, Javier (1454) | Lost 0-2 | -211554 |
| top | average opponent: 1514record: 5-3 | new rating: 1554 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 610 | Wooles, Bertie (1424) | Won 2-1 | +171517 |
| 2sealed | 52 | Pasgaard, Alexander (1707) | Lost 1-2 | -151502 |
| 3sealed | 562 | Zhang, Gong (1491) | Won 2-1 | +181520 |
| 4sealed | 411 | Isherwood, Stephen (1486) | Lost 0-2 | -191501 |
| 5sealed | 396 | Simm, Reece (1500) | Won 2-0 | +181519 |
| 6sealed | 277 | Mitchell, Matthew (1529) | Won 2-1 | +181537 |
| 7sealed | 248 | Reiter, Florian (1594) | Lost 1-2 | -171520 |
| top | average opponent: 1533record: 4-3 | new rating: 1520 | ||