Den, Mark
Current rating: 1420
Record: 4-6-3 (GP) / 5-12 (professional)
| Players Tour Online 3 (MTGA IKO standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 18 | Hirayama, Rei (1643) | Lost 1-2 | -151453 |
| 2standard | 51 | Cheung, Justin (1771) | Lost 1-2 | -121441 |
| 3standard | 68 | Wong, Charles (2037) | Won 2-1 | +281469 |
| 4standard | 63 | Techarattanaprasert, Mongkol (1928) | Lost 0-2 | -101459 |
| 5standard | 58 | Connolly, Jeffrey (1533) | Lost 1-2 | -171442 |
| 6standard | 65 | Omori, Ken'ichirou (1714) | Lost 1-2 | -131429 |
| 7standard | 64 | Yanaseko, Kentarou (1580) | Won 2-0 | +201449 |
| 8standard | 59 | Coffey, Nyko (1454) | Lost 0-2 | -171432 |
| 9standard | 54 | Ito, Shinichi (1773) | Lost 1-2 | -121420 |
| top | average opponent: 1715record: 2-7 | new rating: 1420 | ||
| Players Tour Nagoya 2020 (pioneer) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 59 | Takano, Hayato (1646) | Lost 1-2 | -151454 |
| 2draft | 70 | Takimura, Kazuyuki (1999) | Lost 0-2 | -91445 |
| 3draft | 77 | Yamagata, Yutaro (1554) | Lost 1-2 | -161429 |
| 4pioneer | 93 | Randeni, Harshana (1562) | Won 2-0 | +201449 |
| 5pioneer | 69 | Nakamatu, Hirohumi (1537) | Won 2-0 | +201469 |
| 6pioneer | 65 | Huang, Hao-Shan (1748) | Lost 0-1 | -131456 |
| 7pioneer | 73 | Yaocheng, Mark (1690) | Won 2-1 | +221478 |
| 8pioneer | 51 | Tomizawa, Shin (1970) | Lost 0-2 | -101468 |
| top | average opponent: 1713record: 3-5 | new rating: 1468 | ||
| Grand Prix Taipei 2008 (ALA limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Jan, kuo hong (1500) | Won 2-1 | +181482 |
| 2sealed | 19 | Shu, Ming-Lin (1517) | Lost 0-2 | -171465 |
| 3sealed | 83 | Chen, Yun Zen (1501) | Won 2-1 | +191484 |
| 4sealed | 58 | Hsieh, Hung-chih (1518) | Draw 1-1 | 01484 |
| 5sealed | 71 | Ng, Chi Fai (1588) | Draw 1-1 | +21486 |
| 6sealed | 89 | Lee, G.yee (1500) | Lost 1-2 | -171469 |
| top | average opponent: 1521record: 2-2-2 | new rating: 1469 | ||
| Grand Prix Taipei 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 9 | Chn, Lu L (1500) | Lost 0-2 | -181482 |
| 2block | 93 | Dunsford, Denny (1502) | Lost 1-2 | -181464 |
| 3block | 97 | Yan, Skylord (1464) | Draw 1-1 | 01464 |
| 4block | 121 | Hsu, Ming Kuan (1462) | Won 2-0 | +181482 |
| 5block | 105 | Chen, John (1449) | Won 2-1 | +181500 |
| 6block | 86 | Chen, Yun Zen (1504) | Lost 0-2 | -181482 |
| 7block | 91 | Chang, Seng Jia (1483) | Lost 0-2 | -181464 |
| top | average opponent: 1481record: 2-4-1 | new rating: 1464 | ||