Keessen, AJ
Current rating: 1381
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2306 | Mui, Kwok Pong (1445) | Lost 1-2 | -171396 |
| 2sealed | 2344 | Markvoort, Ruben (1482) | Won 2-1 | +191415 |
| 3sealed | 2338 | Burbach, Maik (1499) | Lost 1-2 | -161399 |
| 4sealed | 2363 | L'Hopital, Sonia (1387) | Lost 0-2 | -181381 |
| top | average opponent: 1453record: 1-3 | new rating: 1381 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 29 | Tolvanen, Martti (1500) | Lost 1-2 | -171445 |
| 2standard | 542 | Klapwijk, Michiel (1499) | Lost 0-2 | -171428 |
| 3standard | 667 | Hoogstraten, Mark (1462) | Draw 1-1 | +11429 |
| 4standard | 688 | Lai, Kim Man (1399) | Lost 0-2 | -191410 |
| 5standard | 683 | Mauel, Jan (1446) | Won 2-0 | +191429 |
| 6standard | 584 | Simmonds, Alex (1548) | Lost 1-2 | -161413 |
| 7standard | 500 | Schenk, Raphael (1448) | Draw 1-1 | 01413 |
| 8standard | 437 | Zami, Jean Noel (1402) | Lost 0-2 | -181395 |
| 9standard | 382 | Boessenkool, Wander (1389) | Won 2-1 | +181413 |
| top | average opponent: 1455record: 2-5-2 | new rating: 1413 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 188 | Wouters, Joris (1398) | Lost 1-2 | -201480 |
| 2modern | 448 | Monten, Peter (1482) | Lost 1-2 | -181462 |
| 3modern | 664 | Vanrossomme, Axel (1467) | Lost 1-2 | -181444 |
| 4modern | 753 | Smets, Youri (1443) | Won 2-0 | +181462 |
| top | average opponent: 1448record: 1-3 | new rating: 1462 | ||