Mari, Mark Johnson
Current rating: 1572
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Sutjianto, Jeremia Joel (1530) | Won 2-1 | +181549 |
| 2sealed | 60 | Lee, Zhenghua (1528) | Lost 0-2 | -181531 |
| 3sealed | 268 | Lee, Nam San Nelson (1494) | Won 2-1 | +171548 |
| 4sealed | 128 | Cheng, Hao Ran (1657) | Won 2-1 | +201568 |
| 5sealed | 154 | Dela Cruz, Mark Brian (1582) | Won 2-0 | +191587 |
| 6sealed | 104 | Song, Huachao (1824) | Draw 1-1 | +41591 |
| 7sealed | 76 | Kung, Lam Yan (1576) | Draw 1-1 | 01591 |
| 8sealed | 116 | Li, Ang 4241 (1557) | Lost 0-2 | -191572 |
| top | average opponent: 1594record: 4-2-2 | new rating: 1572 | ||
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 32 | Yu, Hung-Yi (1670) | Lost 1-2 | -141432 |
| 4standard | 100 | Buelo, Neil (1536) | Won 2-1 | +201452 |
| 5standard | 109 | Po, John Paul (1553) | Won 2-0 | +201472 |
| 6standard | 40 | Buado, Rossinni (1504) | Won 2-1 | +191491 |
| 7standard | 43 | Teo, Yuen Peir (1704) | Lost 0-2 | -151476 |
| 8standard | 79 | Li, He (1659) | Lost 0-2 | -141462 |
| 9standard | 99 | Abaya, Arjay (1647) | Won 2-0 | +211483 |
| 10standard | 67 | Healy, Brendan (1728) | Lost 0-2 | -141469 |
| 11standard | 98 | Koh, Kai Che (1598) | Won 2-0 | +211490 |
| 12standard | 61 | Alivio, Ramon (1613) | Won 2-1 | +201510 |
| 13standard | 45 | Carriaga, Vonn (1619) | Lost 0-2 | -161494 |
| 14standard | 71 | Primicias, James Joash (1537) | Won 2-1 | +191513 |
| 15standard | 65 | de Vries-Turnell, Keayn (1549) | Won 2-0 | +181531 |
| top | average opponent: 1609record: 8-5 | new rating: 1531 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 306 | Legaspi, Kristian (1517) | Lost 0-2 | -181482 |
| 2standard | 357 | Godeloson, Glemco (1482) | Lost 1-2 | -181464 |
| 3standard | 389 | Favila, Edmon (1464) | Won 2-1 | +181482 |
| 4standard | 426 | Ramenda, Elmer (1482) | Won 2-0 | +181500 |
| 5standard | 365 | Manansala, Jeffrey (1500) | Lost 0-2 | -181482 |
| 6standard | 310 | Batac, Marlon (1482) | Lost 0-2 | -181464 |
| 7standard | 327 | Able, Janday (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1484record: 2-5 | new rating: 1446 | ||