Tan, Poy Kok
Current rating: 1439
Record: 9-10-1 (GP) / 4-9-1 (professional)
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 48 | Polananta, Nattapitch (1500) | Lost 1-2 | -171435 |
| 3sealed | 64 | Yow, Kar Leng (1500) | Won 2-0 | +191454 |
| 4sealed | 51 | Leong, Kin Seng (1521) | Lost 1-2 | -171437 |
| 5sealed | 59 | Anwar, Mazher (1499) | Won 2-0 | +191456 |
| 6sealed | 70 | Huang, Benjamin (1517) | Lost 1-2 | -171439 |
| top | average opponent: 1507record: 2-3 | new rating: 1439 | ||
| Grand Prix Singapore 2000 (extended) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 25 | Tan, Chin Han (1536) | Won 2-0 | +191465 |
| 3extended | 20 | Kwan, Jarrod Tuck Fatt (1500) | Lost 0-2 | -171448 |
| 4extended | 60 | Hadiwidjaja, Welly (1549) | Won 2-1 | +201468 |
| 5extended | 26 | Hong, How Tuan (1503) | Won 2-0 | +181486 |
| 6extended | 24 | Chao, Peter (1573) | Lost 0-2 | -161470 |
| 7extended | 43 | Soo, Waiken (1473) | Lost 1-2 | -181452 |
| top | average opponent: 1522record: 3-3 | new rating: 1452 | ||
| Grand Prix Kuala Lumpur 2000 (extended) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 21 | Hwa, Ti Yung (1554) | Won 0-0 | +201449 |
| 5extended | 7 | Hong, How Tuan (1556) | Won 0-0 | +201469 |
| 6extended | 1 | Nobushita, Jun (1566) | Lost 0-0 | -161453 |
| 7extended | 9 | Wong, Samson (1521) | Won 0-0 | +191472 |
| 8extended | 4 | Khoo, Wei Ren (1540) | Draw 0-0 | +11473 |
| 9extended | 7 | Phang, Ben Neng (1588) | Lost 0-0 | -161457 |
| 10extended | 13 | Higashino, Masayuki (1602) | Lost 0-0 | -151442 |
| 11extended | 20 | La Faber, Rudolph (1554) | Won 0-0 | +201462 |
| 12extended | 10 | Yeong, Lance Chin Wei (1557) | Lost 0-0 | -161446 |
| top | average opponent: 1560record: 4-4-1 | new rating: 1446 | ||
| Pro Tour London 1999 (UDS draft) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 3 | McLean, Drew (1500) | Lost 1-2 | -181482 |
| 2draft | 129 | Postema, Bas (1624) | Won 2-1 | +211503 |
| 3draft | 14 | O'Mahoney-Schwartz, Steven (1800) | Draw 1-1 | +51508 |
| 4draft | 97 | Smetana, Michal (1484) | Won 2-0 | +171525 |
| 5draft | 91 | Summersberger, Helmut (1560) | Won 2-0 | +191544 |
| 6draft | 13 | Herms, Roc (1668) | Lost 1-2 | -161528 |
| 7draft | 49 | Vergendo, Maurizio (1474) | Won 2-0 | +171545 |
| 8draft | 19 | Pischner, Andreas (1630) | Lost 0-2 | -161529 |
| 9draft | 5 | Wallach, Kenneth (1523) | Lost 0-1 | -181511 |
| 10draft | 9 | Jorstedt, Mattias (1662) | Lost 0-2 | -161495 |
| 11draft | 33 | Waller, Sam (1612) | Lost 1-2 | -151480 |
| 12draft | 45 | Cetl, Erwin (1507) | Lost 0-2 | -181462 |
| 13draft | 29 | Desjardins, Pascal (1473) | Lost 1-2 | -181444 |
| 14draft | 26 | Kornblith, Charles (1572) | Lost 1-2 | -151429 |
| top | average opponent: 1578record: 4-9-1 | new rating: 1429 | ||