de Boer, Martijn
Current rating: 1441
Record: 30-36-4
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1403 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 9 | Bon, Ricardo (1500) | Lost 0-2 | -171386 |
| 2standard | 266 | Meier, Tobias (1481) | Won 2-1 | +201406 |
| 3standard | 423 | Webster, James (1471) | Won 2-1 | +191425 |
| 4standard | 190 | Schmidt, Jacob (1463) | Won 2-1 | +191444 |
| 5standard | 138 | Asanov, Marat (1588) | Lost 0-2 | -151429 |
| 6standard | 271 | Russell, Marc (1522) | Won 2-1 | +191448 |
| 7standard | 261 | Brucker, David (1989) | Lost 0-2 | -91439 |
| 8standard | 303 | Drapala, Robin (1402) | Won 2-0 | +181457 |
| 9standard | 141 | Murphy, Tadhg (1617) | Lost 1-2 | -161441 |
| top | average opponent: 1559record: 5-4 | new rating: 1441 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 20 | Corda, Adrien (1656) | Lost 0-0 | -141451 |
| 2standard | 526 | Ek, Niklas (1468) | Lost 0-0 | -181433 |
| 3standard | 901 | Van Breukelen, Vincent (1466) | Lost 0-2 | -181415 |
| 4standard | 881 | Liedorp, Thomas (1491) | Won 2-0 | +201435 |
| 5standard | 817 | Gossiaux, Joachim (1625) | Draw 1-1 | +31438 |
| 6standard | 728 | Eskildsen, Mathias (1468) | Lost 1-2 | -171421 |
| 7standard | 632 | Raffoux, Benjamin (1407) | Lost 0-2 | -181403 |
| top | average opponent: 1512record: 1-5-1 | new rating: 1403 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 545 | Rubalcava, Yossef (1483) | Won 2-0 | +181499 |
| 2legacy | 236 | Mund, Benjamin (1576) | Lost 1-2 | -161483 |
| 3legacy | 470 | Perrache, David (1459) | Lost 0-2 | -191464 |
| 4legacy | 524 | Pruvost, Benoit (1490) | Won 2-0 | +191483 |
| 5legacy | 419 | Thijs, Erik (1499) | Lost 0-2 | -181465 |
| top | average opponent: 1501record: 2-3 | new rating: 1465 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 363 | Dekker, Ruud (1500) | Won 2-1 | +181515 |
| 2sealed | 159 | Vos, Tristan (1412) | Lost 0-2 | -201495 |
| 3sealed | 420 | Sterenberg, Marius (1519) | Lost 1-2 | -171478 |
| 4sealed | 575 | De Leijer, Jop (1481) | Won 2-0 | +181496 |
| 5sealed | 343 | Euser, Kasper (1701) | Lost 1-2 | -151481 |
| top | average opponent: 1523record: 2-3 | new rating: 1481 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 424 | Bleker, Gerwin (1500) | Won 2-1 | +191467 |
| 2standard | 231 | Andrieu, Thibault (1658) | Lost 0-2 | -151452 |
| 3standard | 420 | Soder, Sascha (1499) | Won 2-0 | +191471 |
| 4standard | 297 | Oosterbaan, Fokke (1520) | Won 2-0 | +191490 |
| 5standard | 253 | Heinemann, Stefan (1549) | Lost 0-2 | -171473 |
| 6standard | 276 | Valckx, Rob (1520) | Won 2-0 | +191492 |
| 7standard | 274 | Rouw, Alex (1631) | Won 2-0 | +211513 |
| 8standard | 195 | Papadopoulos, Paris (1645) | Lost 0-2 | -161497 |
| top | average opponent: 1565record: 5-3 | new rating: 1497 | ||
| Grand Prix Paris 2014 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 486 | Serpier, Fabien (1524) | Draw 1-1 | +11483 |
| 2legacy | 346 | Parra, Jeff (1500) | Lost 0-2 | -181465 |
| 3legacy | 636 | Destaville, Vincent (1482) | Won 2-0 | +191484 |
| 4legacy | 514 | Fonseca Roque, Eric (1471) | Lost 0-1 | -191465 |
| 5legacy | 612 | Pombo, Goncalo (1495) | Lost 0-1 | -171448 |
| top | average opponent: 1495record: 1-3-1 | new rating: 1448 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 152 | Simmonds, Alex (1462) | Draw 1-1 | -11519 |
| 2modern | 370 | Pierard, Emmanuel (1498) | Won 2-0 | +171536 |
| 3modern | 341 | Canetti, Alberto (1517) | Lost 0-2 | -181518 |
| 4modern | 541 | Foster, Joe (1545) | Lost 0-2 | -171501 |
| 5modern | 635 | Parry, Nathaniel (1480) | Lost 0-2 | -191482 |
| top | average opponent: 1500record: 1-3-1 | new rating: 1482 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 763 | Cosola, Francesco (1500) | Won 2-1 | +181500 |
| 2standard | 668 | Lupo-krebs, Clement (1481) | Lost 0-2 | -181482 |
| 3standard | 693 | Devis, Larry (1393) | Won 2-1 | +161498 |
| 4standard | 702 | Creutz, Christian (1622) | Won 2-1 | +201518 |
| 5standard | 658 | Heinrich, Jorg (1516) | Lost 0-1 | -181500 |
| 6standard | 663 | Herzig, Sven (1549) | Won 2-0 | +191519 |
| 7standard | 657 | Schallenberg, Florian (1538) | Won 2-1 | +191538 |
| 8standard | 593 | Al-Rubei, Julien Phillip Christian (1553) | Lost 1-2 | -181520 |
| top | average opponent: 1519record: 5-3 | new rating: 1520 | ||
| Grand Prix Ghent 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 746 | Schaffhausen, Jeroen (1503) | Lost 0-2 | -181482 |
| 2legacy | 834 | Piovan, Jerome (1461) | Won 2-0 | +171499 |
| 3legacy | 770 | Vouillemin, Gael (1538) | Won 2-1 | +191518 |
| 4legacy | 725 | Contamine, Renaud (1497) | Lost 0-2 | -181500 |
| 5legacy | 828 | Batozynski, Dominik (1500) | Lost 0-2 | -181482 |
| top | average opponent: 1500record: 2-3 | new rating: 1482 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 84 | Jansen, Ralf (1533) | Lost 0-2 | -181500 |
| 2standard | 259 | Decamps, Laurent (1482) | Draw 1-1 | 01500 |
| 3standard | 273 | Brees, Guy (1482) | Won 2-1 | +181518 |
| 4standard | 260 | Devriesere, David (1521) | Lost 1-2 | -181500 |
| top | average opponent: 1505record: 1-2-1 | new rating: 1500 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 805 | Di Gregorio, Nicolas (1500) | Won 2-0 | +181518 |
| 2standard | 641 | David, De Oliveira (1518) | Won 2-1 | +181536 |
| 3standard | 715 | Curran, Ken (1469) | Lost 0-2 | -191517 |
| 4standard | 793 | Dijkstra, Yoep (1525) | Lost 0-2 | -181499 |
| 5standard | 832 | Verlinden, Folco (1504) | Won 2-0 | +181517 |
| 6standard | 745 | Vanden Broeck, Valentin (1520) | Won 2-1 | +181535 |
| 7standard | 766 | Van Audenhove, Kenny (1508) | Lost 0-2 | -181517 |
| 8standard | 762 | Svoboda, Petr (1518) | Won 2-0 | +181535 |
| 9standard | 686 | Shinkins, Stewart (1619) | Lost 1-2 | -171518 |
| top | average opponent: 1520record: 5-4 | new rating: 1518 | ||