van Velzen, Erwin
Current rating: 1326
Record: 9-23-2
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1305 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Broer, Jasper (1500) | Draw 1-1 | +41309 |
| 2standard | 253 | Danielson, Kristian (1470) | Lost 1-2 | -151294 |
| 3standard | 496 | Tascu, George (1346) | Won 2-0 | +191313 |
| 4standard | 414 | Nenna, Juan (1499) | Lost 0-2 | -151298 |
| 5standard | 475 | Violin, Michele (1429) | Won 2-1 | +201318 |
| 6standard | 381 | Orizio, Simone (1449) | Won 2-1 | +211339 |
| 7standard | 279 | Magnani, Paolo (1650) | Lost 0-2 | -131326 |
| top | average opponent: 1478record: 3-3-1 | new rating: 1326 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1324 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 456 | Valverde, Santiago (1557) | Lost 0-2 | -141310 |
| 2standard | 540 | Jivabhai, Jaisal (1434) | Won 2-1 | +201330 |
| 3standard | 583 | Conde-Gonzalez, Francisco Antonio (1492) | Lost 0-2 | -151315 |
| 4standard | 613 | Maher, Daniel [IRL] (1483) | Won 2-0 | +211336 |
| 5standard | 601 | Roberts, Tom (1500) | Lost 1-2 | -151321 |
| 6standard | 597 | Metters, Owen (1452) | Lost 0-2 | -161305 |
| top | average opponent: 1486record: 2-4 | new rating: 1305 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1363 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 366 | Knorr, Sebastian (1766) | Lost 0-2 | -111352 |
| 4standard | 453 | Moral, Carlos (1947) | Draw 1-1 | +101362 |
| 5standard | 374 | Smit, Iwan (1673) | Lost 0-2 | -131349 |
| 6standard | 474 | Dumot, Nicolas (1502) | Lost 0-2 | -151334 |
| 7standard | 554 | Arlove, Jeremy (1483) | Lost 0-2 | -151319 |
| 8standard | 537 | Horde, Claude (1465) | Won 2-0 | +201339 |
| 9standard | 441 | Izotau, Anton (1470) | Lost 0-2 | -151324 |
| top | average opponent: 1615record: 1-5-1 | new rating: 1324 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Williams, Calum (1516) | Lost 0-0 | -161396 |
| 2standard | 677 | Shavlovskyy, Dmytro (1484) | Lost 0-0 | -171379 |
| 3standard | 869 | Alickovic, Emir (1371) | Lost 0-2 | -181361 |
| 4standard | 888 | France, Julien (1382) | Won 2-0 | +191380 |
| 5standard | 824 | Zapico Martinez, Adria (1400) | Lost 0-2 | -181362 |
| 6standard | 745 | Brian, Halsdorf (1449) | Won 2-0 | +201382 |
| 7standard | 604 | Targez, Olivier (1347) | Lost 0-2 | -191363 |
| top | average opponent: 1421record: 2-5 | new rating: 1363 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2324 | Markus, Janik (1500) | Lost 0-2 | -171429 |
| 2sealed | 2397 | Van Kempen, Maaike (1481) | Lost 0-2 | -171412 |
| top | average opponent: 1491record: 0-2 | new rating: 1412 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Pannhorst, Lothar-Nils (1500) | Lost 0-2 | -181482 |
| 2sealed | 253 | Wong, Chi-Ho (1482) | Lost 0-2 | -181464 |
| 3sealed | 289 | PRIINAGI, TRISTAN (1464) | Won 2-1 | +181482 |
| 4sealed | 217 | Paul, Ewin (1483) | Lost 1-2 | -181464 |
| 5sealed | 256 | Desbenoit, Sylvain (1463) | Lost 0-2 | -181446 |
| top | average opponent: 1478record: 1-4 | new rating: 1446 | ||