Simpson, Mark
Current rating: 1525
Record: 10-8-3 (GP) / 17-19-3 (professional)
| Grand Prix Brisbane 2004 (COK limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 32 | Haddy, Tom (1425) | Lost 0-2 | -201499 |
| 5sealed | 41 | Flores, Michael (1707) | Lost 0-2 | -141485 |
| 6sealed | 55 | Barlow, Scott (1471) | Won 2-0 | +171502 |
| 7sealed | 44 | Ha, Ton (1531) | Won 2-0 | +191521 |
| 8rochester | 27 | Hamilton, Berren (1485) | Won 2-0 | +171538 |
| 9rochester | 28 | Brown-Santirso, Julian (1656) | Lost 0-2 | -161522 |
| 10rochester | 13 | Kneebone, Brad (1509) | Draw 1-1 | 01522 |
| 11rochester | 6 | Miller, Roger (1573) | Lost 0-2 | -171505 |
| 12rochester | 27 | Johnston, Richard [AUS] (1603) | Draw 1-1 | +21507 |
| 13rochester | 24 | Grunske, Lars (1511) | Won 2-0 | +181525 |
| top | average opponent: 1547record: 4-4-2 | new rating: 1525 | ||
| Grand Prix Brisbane 2001 (ODY limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2 | Raslan, Anwar (1549) | Won 2-0 | +191496 |
| 4sealed | 20 | Mehigan, Philip (1500) | Won 2-0 | +181514 |
| 5sealed | 8 | Doecke, Michael (1574) | Draw 1-1 | +11515 |
| 6sealed | 8 | Rimmer, Adrian (1570) | Won 2-1 | +191534 |
| 7sealed | 6 | Aumonier-Ward, Jonathan (1592) | Won 1-0 | +191553 |
| 8rochester | 10 | Johnston, Richard [AUS] (1589) | Lost 0-2 | -171536 |
| 9rochester | 29 | Wright, Jeremy (1508) | Won 2-1 | +171553 |
| 10rochester | 23 | Romans, Daniel (1569) | Lost 1-2 | -171536 |
| 11rochester | 23 | Gall, Tristan (1569) | Lost 1-2 | -181518 |
| 12rochester | 30 | Breakey, Hugh (1519) | Lost 0-2 | -181500 |
| 13rochester | 27 | Fleming, Benjamin (1519) | Won 2-1 | +191519 |
| top | average opponent: 1551record: 6-4-1 | new rating: 1519 | ||
| 1999 World Championship (mixed) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 65 | Wraith, Mark (1468) | Won 0-0 | +171503 |
| 2standard | 23 | Jisang, Kang (1517) | Lost 0-0 | -171486 |
| 3standard | 36 | Lau, Sam Lei Kang (1501) | Lost 0-0 | -181468 |
| 4standard | 56 | Chiera, Luca (1456) | Lost 0-0 | -181450 |
| 5standard | 83 | Johnsen, Marius (1430) | Won 2-1 | +171467 |
| 6standard | 55 | Vefa, Yusuf Kemal (1381) | Won 0-0 | +171484 |
| 7rochester | 47 | Shing Hong, Ngan (1510) | Won 0-0 | +181502 |
| 8rochester | 37 | Ollila, Mika (1531) | Won 0-0 | +191521 |
| 9rochester | 31 | Guevin, Thomas (1627) | Lost 0-0 | -161505 |
| 10rochester | 36 | Shing Hong, Ngan (1526) | Lost 0-0 | -181487 |
| 11rochester | 101 | Garcia, Ivan (1528) | Lost 0-0 | -171470 |
| 12rochester | 99 | Witt, Alexander (1535) | Draw 0-0 | +11471 |
| 13extended | 64 | Chiera, Luca (1462) | Won 0-0 | +181489 |
| 14extended | 51 | Jones, Craig (1493) | Lost 0-0 | -181471 |
| 15extended | 61 | Jocumsen, Bjorn (1481) | Won 0-0 | +181489 |
| 16extended | 53 | Edwards, Rudy (1546) | Won 0-0 | +191508 |
| 17extended | 38 | Farkas, Benjamin (1769) | Lost 0-0 | -131495 |
| 18extended | 54 | Sagol, Omar (1492) | Lost 0-0 | -181477 |
| top | average opponent: 1514record: 8-9-1 | new rating: 1477 | ||
| 1998 World Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 7 | Leiher, Peter (1518) | Won 0-0 | +181518 |
| 2draft | 27 | Suver, Max (1518) | Lost 0-0 | -181500 |
| 3draft | 58 | Omri, Doron (1464) | Won 0-0 | +181518 |
| 4draft | 17 | Gregorich, Christian (1554) | Won 0-0 | +181536 |
| 5draft | 66 | Buehler, Randy (1638) | Won 0-0 | +201556 |
| 6draft | 39 | Johns, Scott (1622) | Lost 0-0 | -171539 |
| 7draft | 3 | Papp, Gabor (1540) | Lost 0-0 | -181521 |
| 8standard | 29 | Herms, Roc (1534) | Draw 0-0 | +11522 |
| 9standard | 41 | Do Rego, Ezequiel (1519) | Won 0-0 | +181540 |
| 10standard | 29 | Wise, Gary (1492) | Lost 0-0 | -191521 |
| 11standard | 41 | Lee, Beng Hai (1500) | Lost 0-0 | -191502 |
| 12standard | 52 | Helvik, Snorre (1503) | Draw 0-0 | 01502 |
| 13standard | 59 | Bishop, Chris (1563) | Lost 0-0 | -171485 |
| 14standard | 69 | Godinez Estrada, Gerardo (1486) | Lost 0-0 | -181467 |
| 15block | 77 | Hyde, Oliver (1464) | Lost 0-0 | -181449 |
| 16block | 83 | Deffely, Fergus (1447) | Won 0-0 | +181467 |
| 17block | 74 | Dogan, Timur (1466) | Won 0-0 | +181485 |
| 18block | 64 | Hiltunen, Arto (1485) | Won 0-0 | +181503 |
| 19block | 56 | Fiil, Tore (1504) | Lost 0-0 | -181485 |
| 20block | 65 | Leivo, Matti (1481) | Won 0-0 | +181503 |
| 21block | 52 | Maher, Bob (1526) | Lost 0-0 | -171486 |
| top | average opponent: 1515record: 9-10-2 | new rating: 1486 | ||