Martin Jr., Charles
Current rating: 1549
Record: 8-7-1 (GP) / 3-4 (professional)
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 440 | Wong, Wilson (1729) | Won 2-0 | +221563 |
| 2standard | 98 | Connor, Johnny (1561) | Lost 0-2 | -181545 |
| 3standard | 175 | Euribe, Julio (1601) | Won 2-1 | +191564 |
| 4standard | 157 | Choy, Matthew (1541) | Won 2-0 | +171581 |
| 5standard | 64 | Bachvaroff, Maxim (1519) | Draw 1-1 | -11580 |
| 6standard | 87 | Teske, Derek (1548) | Lost 0-2 | -181562 |
| 7standard | 156 | Carr, Jeffrey (1631) | Lost 0-2 | -171545 |
| 8standard | 219 | Jensen, Braxton (1508) | Won 2-0 | +171562 |
| 9standard | 160 | Calabrese, Jared (1850) | Lost 1-2 | -131549 |
| top | average opponent: 1610record: 4-4-1 | new rating: 1549 | ||
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 153 | Prost, Andrejs (1899) | Won 2-1 | +251531 |
| 3pioneer | 172 | Landon, Eric (1798) | Won 2-0 | +221553 |
| 4pioneer | 11 | Ross, Tom (2011) | Lost 0-2 | -101543 |
| 5pioneer | 147 | Buddensiek, Peter (1592) | Lost 1-2 | -171526 |
| 6pioneer | 292 | Surovy, Tyler (1505) | Won 2-0 | +181544 |
| 7pioneer | 147 | Durfee, Thaddeus (1418) | Won 2-1 | +161560 |
| 8pioneer | 81 | Zachman, Parker (1551) | Lost 1-2 | -191541 |
| top | average opponent: 1682record: 4-3 | new rating: 1541 | ||
| Players Tour Phoenix 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 134 | Froehlich, Eric (1811) | Lost 0-2 | -131487 |
| 2draft | 39 | Wang, Haotian (1942) | Won 2-0 | +261513 |
| 3draft | 156 | Orange, Gregory (1908) | Won 2-1 | +251538 |
| 4pioneer | 49 | Belisle, Sean (1573) | Lost 1-2 | -171521 |
| 5pioneer | 71 | Knutson, Dimitrius (1480) | Lost 0-2 | -191502 |
| 6pioneer | 102 | Russon, Brent (1465) | Won 2-0 | +171519 |
| 7pioneer | 79 | Long, David (1777) | Lost 1-2 | -131506 |
| top | average opponent: 1708record: 3-4 | new rating: 1506 | ||