Koekemoer, Marthinus
Current rating: 1560
Record: 6-7-1 (GP) / 9-8-1 (professional)
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 34 | Nahum, Romain (1543) | Won 2-1 | +181560 |
| 3sealed | 33 | Schuermans, Stijn (1551) | Lost 0-2 | -181542 |
| 4sealed | 183 | Tribelhorn, Samuel (1516) | Won 2-1 | +181560 |
| 5sealed | 53 | Stals, Mark (1623) | Won 2-0 | +191579 |
| 6sealed | 72 | Stanjer, Robert (1506) | Lost 0-2 | -201559 |
| 7sealed | 136 | Verelst, Jamie (1490) | Lost 0-2 | -191540 |
| 8sealed | 104 | Donnat, Jean (1533) | Won 2-1 | +181558 |
| 9sealed | 79 | Ponsot, Nicolas (1666) | Draw 1-1 | +21560 |
| top | average opponent: 1553record: 4-3-1 | new rating: 1560 | ||
| 2006 World Championship (mixed) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 139 | Veigel, Cameron (1504) | Won 2-0 | +191486 |
| 2standard | 50 | Polgary, Mikael (1902) | Lost 1-2 | -111475 |
| 3standard | 70 | Jaillita Zeballos, Juan Carlos (1511) | Lost 1-2 | -181457 |
| 4standard | 129 | Tsumura, Kenji (1992) | Lost 1-2 | -91448 |
| 5standard | 160 | Madriz, Ricardo (1477) | Won 2-1 | +191467 |
| 6standard | 107 | Tsvetanov, Valery (1498) | Won 2-1 | +181485 |
| 7draft | 136 | Al-Bacha, Wesimo (1879) | Lost 1-2 | -111474 |
| 8draft | 151 | Dictus, Mark (1703) | Won 2-0 | +221496 |
| 9draft | 95 | Fyssas, Antonis (1621) | Won 2-1 | +211517 |
| 10draft | 146 | Tsapko, Vasily (1738) | Won 2-0 | +221539 |
| 11draft | 68 | Rubin, Benjamin (1944) | Lost 0-2 | -111528 |
| 12draft | 70 | Barciella, Francisco (1523) | Lost 1-2 | -191509 |
| 13extended | 99 | Iher, Kaupo (1610) | Lost 0-2 | -161493 |
| 14extended | 111 | Lundquist, Ben (1607) | Draw 1-1 | +21495 |
| 15extended | 101 | Grondahl, Erik (1754) | Won 2-0 | +231518 |
| 16extended | 84 | Krempels, Craig (1834) | Lost 1-2 | -121506 |
| 17extended | 99 | Smith, Cormac (1490) | Won 2-0 | +171523 |
| 18extended | 84 | Koska, Adam (1578) | Won 2-0 | +191542 |
| top | average opponent: 1676record: 9-8-1 | new rating: 1542 | ||
| Grand Prix London 2002 (Odyssey block) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 3 | Taylor, Graeme (1478) | Won 2-0 | +181500 |
| 3block | 36 | Kolb, Markus (1608) | Lost 1-2 | -161484 |
| 4block | 160 | Mattisson, Magnus (1518) | Lost 1-2 | -171467 |
| top | average opponent: 1535record: 1-2 | new rating: 1467 | ||
| Grand Prix London 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 13 | Reinecke, Caro (1482) | Won 2-0 | +181518 |
| 3block | 22 | Belis, David (1536) | Lost 0-2 | -181500 |
| 4block | 130 | Lloyd, Robert (1520) | Lost 1-2 | -181482 |
| top | average opponent: 1513record: 1-2 | new rating: 1482 | ||