Tan, Mark
Current rating: 1544
Record: 7-6-2
| Regional Championships Singapore 2023 Cycle 4 (pioneer) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 18 | Tham, Yu Chou (1522) | Lost 1-2 | -181503 |
| 2pioneer | 47 | Tang, Nicholas (1627) | Lost 1-2 | -161487 |
| 3pioneer | 72 | Ong, Austin (1471) | Won 2-0 | +181505 |
| 4pioneer | 51 | Neo, Winsen (1471) | Draw 1-1 | -11504 |
| 5pioneer | 57 | Ng Wei Qin, Andrew (1600) | Won 2-0 | +201524 |
| 6pioneer | 41 | Teoh, Calvin (1513) | Won 2-1 | +181542 |
| 7pioneer | 28 | Lee, Gino (1567) | Won 2-0 | +181560 |
| 8pioneer | 20 | Palu-Ay, Matias Monico (1653) | Lost 1-2 | -161544 |
| average opponent: 1553record: 4-3-1 | new rating: 1544 | |||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 139 | Lim, Ernest (1910) | Won 2-0 | +251525 |
| 4sealed | 15 | Kawakami, Takehito (1795) | Draw 1-1 | +51530 |
| 5sealed | 49 | Zhai, Fengyang (1538) | Won 2-0 | +181548 |
| 6sealed | 26 | Indrakesuma, Taufik (1795) | Lost 0-2 | -141534 |
| 7sealed | 68 | Pangestu, Bushh Bonaldy (1681) | Lost 0-2 | -151519 |
| 8sealed | 121 | Chu, Jun Hao (1574) | Lost 0-2 | -171502 |
| 9sealed | 170 | Gao, Rui (1532) | Won 2-0 | +191521 |
| average opponent: 1689record: 3-3-1 | new rating: 1521 | |||