Greene, Mason
Current rating: 1417
Record: 12-20
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 141 | Wilkes, Nicolas (1407) | Won 2-0 | +181448 |
| 2standard | 101 | Mooers, Alexander (1620) | Lost 1-2 | -151433 |
| 3standard | 152 | Sparling, Bryon (1335) | Won 0-0 | +161449 |
| 4standard | 144 | Hittner, John (1434) | Lost 0-2 | -181431 |
| 5standard | 130 | Sanders, Dominic (1650) | Lost 1-2 | -141417 |
| top | average opponent: 1489record: 2-3 | new rating: 1417 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1359 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 490 | Brockamp, Erik (1430) | Lost 0-2 | -171342 |
| B1sealed | 372 | Jimenez, Roger (1500) | Won 2-0 | +211363 |
| B2sealed | 282 | Groat, Jesse (1613) | Won 2-0 | +231386 |
| B3sealed | 73 | Morrison, Jayce (1645) | Lost 0-2 | -141372 |
| B4sealed | 345 | Hisatomi, Randal (1357) | Won 2-0 | +181390 |
| B5sealed | 132 | Ostash, Keith (1821) | Lost 1-2 | -111379 |
| B6sealed | 196 | Lee, Sechang (1529) | Won 2-0 | +211400 |
| B7sealed | 187 | Colburn, Ryan (1548) | Won 2-0 | +211421 |
| B8sealed | 102 | Gellis, Dylan (1831) | Won 2-1 | +251446 |
| B9sealed | 482 | Richards, Nathan (1583) | Lost 1-2 | -161430 |
| top | average opponent: 1586record: 6-4 | new rating: 1430 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1392 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 570 | Collins, Adam (1465) | Lost 0-2 | -171375 |
| 2sealed | 863 | Hemphill, Jeff (1483) | Lost 0-2 | -161359 |
| top | average opponent: 1474record: 0-2 | new rating: 1359 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 20 | Derrickson, David (1765) | Lost 0-2 | -121426 |
| 2modern | 121 | Winings, Adam (1482) | Lost 1-2 | -171409 |
| 3modern | 335 | Kelly, Justin (1465) | Lost 1-2 | -171392 |
| top | average opponent: 1571record: 0-3 | new rating: 1392 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 88 | Hyodo, Bob S (1518) | Won 2-1 | +191483 |
| 3sealed | 25 | Riecken, Steven (1536) | Lost 1-2 | -171466 |
| 4sealed | 187 | Teller, Tj (1517) | Won 2-1 | +191485 |
| 5sealed | 118 | Paul, Justis (1537) | Lost 1-2 | -171468 |
| 6sealed | 195 | Blum, Tyler (1746) | Lost 1-2 | -131455 |
| 7sealed | 217 | MacLean, Aaron (1498) | Lost 0-2 | -171438 |
| top | average opponent: 1559record: 2-4 | new rating: 1438 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 19 | Peria-Hansen, Gregg (1518) | Won 2-1 | +181518 |
| 3sealed | 151 | Hathaway, Clay (1536) | Won 2-0 | +191537 |
| 4sealed | 64 | Parker, Matt D (1503) | Lost 1-2 | -191518 |
| 5sealed | 247 | Lee, Derrick (1536) | Lost 1-2 | -181500 |
| 6sealed | 303 | Williams, Erik (1558) | Lost 1-2 | -171483 |
| 7sealed | 302 | Porath, Aaron (1424) | Lost 0-2 | -191464 |
| top | average opponent: 1513record: 2-4 | new rating: 1464 | ||