Boendermaker, Wouter
Current rating: 1450
Record: 5-8-2
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 328 | Robles, Alian (1500) | Draw 1-1 | 01463 |
| 2extended | 271 | Muller, Marino (1500) | Lost 0-2 | -171446 |
| 3extended | 377 | Cordemans, Piet (1482) | Lost 0-2 | -171429 |
| 4extended | 450 | Leibbrand, Thijs (1461) | Won 1-0 | +181447 |
| 5extended | 362 | De Bosscher, Michael (1481) | Won 2-0 | +191466 |
| 6extended | 269 | Erksmeyer, Julian (1497) | Draw 1-1 | 01466 |
| 7extended | 261 | Meertens, Job (1505) | Lost 0-2 | -171449 |
| 8extended | 229 | Kempken, Hendrik (1480) | Won 2-0 | +191468 |
| 9extended | 175 | Van Tuyn, Hein (1500) | Lost 0-2 | -181450 |
| average opponent: 1490record: 3-4-2 | new rating: 1450 | |||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Huizing, Marvin (1500) | Lost 0-2 | -181482 |
| 2sealed | 230 | Lantermans, Hildo (1482) | Lost 1-2 | -181464 |
| 3sealed | 257 | Strebel, Christian (1464) | Won 2-0 | +181482 |
| 4sealed | 223 | Lehnert, Heiko (1479) | Lost 0-2 | -181464 |
| 5sealed | 252 | Luppi, Stefano (1402) | Lost 0-2 | -191445 |
| 6sealed | 227 | Van Der Have, Mo (1428) | Won 2-0 | +181463 |
| average opponent: 1459record: 2-4 | new rating: 1463 | |||