Mason, Donald
Current rating: 1503
Record: 62-83-12
- 2016
- 2017
- 2018
- 2019
- 2020
| Grand Prix Austin 2020 (modern) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 9 | Sounakhen, Saxon (1729) | Lost 1-2 | -151514 |
| 4modern | 212 | Fiscus, Darryn (1487) | Won 2-1 | +181532 |
| 5modern | 59 | Ahn, Sung-Jin (1854) | Lost 0-2 | -121520 |
| 6modern | 136 | Thorne, Ian (1671) | Lost 0-2 | -161504 |
| 7modern | 194 | Sanchez, Homero (1456) | Won 2-1 | +171521 |
| 8modern | 147 | Hughes, Drake (1526) | Lost 0-2 | -181503 |
| top | average opponent: 1620record: 2-4 | new rating: 1503 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 215 | Putnam, Tyler (1871) | Lost 1-2 | -111400 |
| 4standard | 130 | Maples, Derek (1529) | Won 2-0 | +211421 |
| 5standard | 76 | Marconi, Nick (1558) | Won 2-1 | +201441 |
| 6standard | 71 | Geller, Daniel (1578) | Won 2-0 | +211462 |
| 7standard | 19 | Kauffman, Thomas (1637) | Draw 1-1 | +31465 |
| 8standard | 51 | Woolley, Daniel (1622) | Won 2-1 | +211486 |
| 9standard | 118 | Betts, Dustin (1605) | Won 2-0 | +201506 |
| 10standard | 105 | Yukuhiro, Ken (2027) | Lost 0-2 | -91497 |
| 11standard | 131 | Black, Samuel (1922) | Lost 0-2 | -111486 |
| 12standard | 150 | Deylius, Matt (1614) | Won 2-0 | +201506 |
| 13standard | 133 | Smith, Barry (1672) | Won 2-1 | +211527 |
| 14standard | 118 | Hobbs, Jonathan (1562) | Lost 0-2 | -171510 |
| 15standard | 133 | Sayre, Anthony (1557) | Won 2-0 | +191529 |
| top | average opponent: 1673record: 8-4-1 | new rating: 1529 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 98 | Casey, John (1584) | Won 2-1 | +211418 |
| 4modern | 102 | Miller, Matthew (1636) | Lost 0-2 | -141404 |
| 5modern | 271 | Briscoe, Britt (1540) | Lost 1-2 | -151389 |
| 6modern | 297 | Phan, Dexter (1488) | Won 2-0 | +191408 |
| 7modern | 153 | Bridgman, Slater (1412) | Won 2-1 | +181426 |
| 8modern | 167 | Hauser, David (1546) | Lost 0-2 | -151411 |
| top | average opponent: 1534record: 3-3 | new rating: 1411 | ||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1296 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 134 | Klenske, Dylan (1248) | Won 2-1 | +171313 |
| 4legacy | 35 | Corman-Gill, Cyrus (1595) | Won 2-1 | +231336 |
| 5legacy | 54 | Saito, Tomoharu (1943) | Lost 0-2 | -81328 |
| 6legacy | 101 | Miller, Daniel (1593) | Lost 1-2 | -131315 |
| 7legacy | 160 | Jette, Francis (1671) | Won 2-1 | +241339 |
| 8legacy | 115 | Johnson, Erik 445 (1739) | Won 2-1 | +251364 |
| 9legacy | 2081 | Osborne, Brandon (1672) | Lost 0-2 | -131351 |
| 10legacy | 2075 | Rogers, Chris (1565) | Lost 0-2 | -141337 |
| 11legacy | 2077 | Merriam, Ross (1790) | Lost 0-2 | -101327 |
| 12legacy | 2083 | Knudson, Andrew (1553) | Won 2-1 | +221349 |
| 13legacy | 2067 | Sukhram, Joel (1614) | Draw 1-1 | +51354 |
| 14legacy | 2071 | Blackner, Austin (1548) | Won 2-0 | +211375 |
| 15legacy | 2061 | Heinbach, Derek (1577) | Won 2-0 | +221397 |
| top | average opponent: 1624record: 7-5-1 | new rating: 1397 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1283 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 57 | Patchell, John (1464) | Draw 1-1 | +31286 |
| 4standard | 454 | Prost, Andrejs (1922) | Lost 0-2 | -81278 |
| 5standard | 330 | Almas, Hassan (1443) | Lost 1-2 | -151263 |
| 6standard | 433 | O'Donnell, Drew (1621) | Won 2-0 | +241287 |
| 7standard | 311 | Schmitt, David (1545) | Lost 0-2 | -131274 |
| 8standard | 305 | Ferrante, Drew (1502) | Won 2-0 | +221296 |
| top | average opponent: 1583record: 2-3-1 | new rating: 1296 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1323 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 305 | Wagenfuhr, Michael (1567) | Lost 1-2 | -131310 |
| 4legacy | 403 | Kao, Austin (1714) | Lost 1-2 | -111299 |
| 5legacy | 458 | Bateson Jr, Jamie (1500) | Lost 0-2 | -151284 |
| 6legacy | 545 | Semeyn, Jonathan (1615) | Lost 0-2 | -121272 |
| 7legacy | 457 | Ablack, Mukesh (1658) | Won 2-1 | +251297 |
| 8legacy | 375 | Pourmal, Sergei (1509) | Lost 1-2 | -141283 |
| top | average opponent: 1594record: 1-5 | new rating: 1283 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1377 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 104 | Hohman, Christopher (1592) | Lost 0-2 | -141363 |
| 4standard | 140 | Dias, Stephen (1486) | Won 2-0 | +201383 |
| 5standard | 137 | O'Connell, Gaven (1534) | Lost 1-2 | -151368 |
| 6standard | 320 | Goetz, Adam (1593) | Lost 0-2 | -141354 |
| 7standard | 270 | Tuske, Paul (1514) | Lost 1-2 | -151339 |
| 8standard | 277 | Edler, Kade (1464) | Lost 0-2 | -161323 |
| top | average opponent: 1531record: 1-5 | new rating: 1323 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1367 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 229 | Grimmer, Brian (1596) | Won 2-0 | +221389 |
| 4standard | 75 | Morriss, Bryan (1551) | Won 2-0 | +211410 |
| 5standard | 55 | De La Rosa, Eddy (1548) | Lost 1-2 | -151395 |
| 6standard | 159 | Yang, Zizhuang (1669) | Lost 1-2 | -141381 |
| 7standard | 132 | Moore, Jarrett (1476) | Won 2-0 | +201401 |
| 8standard | 167 | VanEvery, Kevin (1823) | Lost 1-2 | -111390 |
| 9standard | 194 | Meyer, Benjamin (1659) | Lost 1-2 | -131377 |
| top | average opponent: 1617record: 3-4 | new rating: 1377 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 32 | Petrov, Matt (1590) | Lost 1-2 | -151448 |
| 4sealed | 366 | Soulati, Reza (1535) | Lost 1-2 | -171431 |
| 5sealed | 392 | Brenner, Matthew (1503) | Lost 1-2 | -161415 |
| 6sealed | 390 | Cerbone, Alex (1606) | Lost 1-2 | -151400 |
| 7sealed | 408 | Labuschagne, Andries (1468) | Lost 1-2 | -171383 |
| 8sealed | 364 | Chelf, Ben (1479) | Lost 0-2 | -161367 |
| top | average opponent: 1530record: 0-6 | new rating: 1367 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 507 | Lopez, Andres0643 (1471) | Lost 0-2 | -191502 |
| 4modern | 846 | Dang, Andrew (1521) | Lost 0-2 | -181484 |
| 5modern | 855 | Ishizuki, Takuya (1577) | Won 2-0 | +201504 |
| 6modern | 611 | Bang, Hyun-Jung (1525) | Won 2-0 | +181522 |
| 7modern | 436 | Harper, Mason (1481) | Lost 1-2 | -191503 |
| 8modern | 754 | Jaeger, Tony (1314) | Lost 0-2 | -211482 |
| 9modern | 2142 | Ness, Trenton (1451) | Lost 1-2 | -191463 |
| top | average opponent: 1477record: 2-5 | new rating: 1463 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 420 | Winkler, Will (1485) | Draw 1-1 | 01466 |
| 4legacy | 334 | Lippmann, Robert (1680) | Draw 1-1 | +41470 |
| 5legacy | 578 | Pin, Erik (1378) | Won 2-0 | +161486 |
| 6legacy | 376 | Macaluso, Daniel (1532) | Won 2-0 | +191505 |
| 7legacy | 233 | Boyce, Aaron (1655) | Lost 1-2 | -151490 |
| 8legacy | 393 | Perosky, Scotty (1499) | Won 2-0 | +181508 |
| 9legacy | 264 | Funkhouser, Connor (1627) | Draw 1-1 | +21510 |
| 10legacy | 233 | Andorf, Andrew (1598) | Lost 1-2 | -161494 |
| 11legacy | 324 | Connolly, Robert (1629) | Lost 0-2 | -161478 |
| 12legacy | 289 | Hammes, James (1563) | Won 2-0 | +201498 |
| 13legacy | 242 | Schlegel, Thomas (1701) | Won 2-1 | +211519 |
| 14legacy | 184 | Bandeira, Bruno (1536) | Lost 1-2 | -171502 |
| 15legacy | 202 | Cohu, Cliff (1554) | Won 2-0 | +191521 |
| top | average opponent: 1572record: 6-4-3 | new rating: 1521 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 36 | Egli, Walter (1737) | Lost 0-2 | -141488 |
| 4sealed | 271 | Adamo, Thomas (1533) | Won 2-0 | +191507 |
| 5sealed | 149 | Petre, Evan (1903) | Lost 0-2 | -111496 |
| 6sealed | 424 | Tunison, Drew (1710) | Lost 0-2 | -151481 |
| 7sealed | 477 | Bard, Jacob (1556) | Lost 0-2 | -161465 |
| 8sealed | 468 | Griffith, Maitland (1500) | Lost 0-2 | -181447 |
| 9sealed | 422 | Vollmar, Curtis (1462) | Won 2-1 | +191466 |
| top | average opponent: 1629record: 2-5 | new rating: 1466 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 211 | Perez Jr., Raymond (1775) | Lost 0-2 | -141554 |
| 4standard | 390 | Heise, William (1485) | Lost 1-2 | -201534 |
| 5standard | 395 | McCutcheon, Jordan (1512) | Lost 1-2 | -181516 |
| 6standard | 515 | Clawson, Brent (1705) | Lost 1-2 | -151501 |
| 7standard | 486 | Hurst, Alex (1541) | Draw 1-1 | +11502 |
| 8standard | 458 | York, Derrick (1461) | Won 2-0 | +171519 |
| 9standard | 391 | Normandin, Katharine (1535) | Lost 1-2 | -171502 |
| top | average opponent: 1573record: 1-5-1 | new rating: 1502 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 565 | Mann, Stephen (1802) | Draw 1-1 | +61473 |
| 4legacy | 482 | Kurokawa, Naoki (1590) | Won 2-1 | +201493 |
| 5legacy | 377 | Mitchell, Billy (1722) | Lost 1-2 | -141479 |
| 6legacy | 515 | Wakelee, Mike (1654) | Draw 1-1 | +31482 |
| 7legacy | 630 | Chaney, Lucas (1602) | Won 2-0 | +211503 |
| 8legacy | 520 | DiMartino, Matthew (1590) | Won 2-0 | +191522 |
| 9legacy | 438 | Brown, Matt [USA] (1544) | Won 2-0 | +191541 |
| 10legacy | 1099 | Archambault, Peter (1608) | Draw 1-1 | +11542 |
| 11legacy | 1116 | Mayo, Daniel (1720) | Lost 1-2 | -151527 |
| 12legacy | 1130 | Yost, Austin (1652) | Lost 0-2 | -161511 |
| 13legacy | 1162 | Quinn, Stephen (1609) | Won 2-0 | +201531 |
| 14legacy | 1128 | Powell, Piper (1483) | Won 2-1 | +171548 |
| 15legacy | 1096 | Gwirtsman, Benjamin (1643) | Won 2-0 | +201568 |
| top | average opponent: 1632record: 7-3-3 | new rating: 1568 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 698 | Wells, Joshua (1613) | Lost 0-2 | -171503 |
| 4sealed | 750 | Tammen, Jonathan (1517) | Lost 1-2 | -171486 |
| 5sealed | 1125 | Daniels, Brendan (1663) | Won 2-1 | +211507 |
| 6sealed | 967 | Martinez, Steven 2 (1565) | Lost 1-2 | -171490 |
| 7sealed | 1042 | Tewolde, Wegahta (1554) | Lost 0-2 | -171473 |
| 8sealed | 969 | Connett, Chris (1450) | Lost 0-1 | -181455 |
| 9sealed | 927 | Schwab, Jason (1141) | Won 2-0 | +121467 |
| top | average opponent: 1500record: 2-5 | new rating: 1467 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 184 | Meeker, Brian (1558) | Won 2-0 | +181585 |
| 4modern | 187 | Yu, Jarvis (2020) | Lost 1-2 | -111574 |
| 5modern | 297 | Johnston, Adam (1636) | Lost 0-2 | -171557 |
| 6modern | 494 | Hauersperger, Jonathan (1520) | Won 2-0 | +181575 |
| 7modern | 207 | [anonymous] | Lost 1-2 | -181557 |
| 8modern | 412 | Bradley, Collin (1517) | Lost 0-2 | -191538 |
| 9modern | 494 | Kirk, Hagen (1515) | Lost 1-2 | -181520 |
| top | average opponent: 1623record: 2-5 | new rating: 1520 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 88 | Alvarez, Lance (1597) | Draw 1-1 | +11587 |
| 4standard | 185 | Caldwell, Devon (1488) | Won 2-0 | +161603 |
| 5standard | 86 | Johnson, Eric S (1524) | Lost 0-2 | -201583 |
| 6standard | 205 | Combs, Floyd (1544) | Draw 1-1 | 01583 |
| 7standard | 308 | Danalache, Eduard (1724) | Lost 1-2 | -161567 |
| 8standard | 382 | Sweetman, Zane (1566) | Lost 1-2 | -181549 |
| 9standard | 364 | Rick, David (1523) | Won 2-1 | +181567 |
| top | average opponent: 1566record: 2-3-2 | new rating: 1567 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 110 | Folinus, Jeff (1889) | Won 2-0 | +241518 |
| 4legacy | 100 | DeLuca, Seth (1723) | Won 2-0 | +221540 |
| 5legacy | 16 | Smiley, Thomas (1718) | Lost 0-2 | -151525 |
| 6legacy | 103 | Schaefer, Casper (1708) | Won 2-0 | +221547 |
| 7legacy | 84 | Bunnell, Scott (1797) | Lost 0-2 | -141533 |
| 8legacy | 104 | Medvec, Tom (1659) | Won 2-0 | +201553 |
| 9legacy | 82 | Stitson, Christopher (1541) | Lost 0-2 | -181535 |
| 10legacy | 184 | Hawkins, Eric (1853) | Won 2-0 | +241559 |
| 11legacy | 163 | Negri, Kazu (1803) | Lost 0-2 | -141545 |
| 12legacy | 168 | Thiel, Jon (1578) | Lost 1-2 | -171528 |
| 13legacy | 190 | Osborne, Brandon (1517) | Won 2-0 | +181546 |
| 14legacy | 140 | Wray, James (1704) | Won 2-1 | +201566 |
| 15legacy | 103 | Murdoch, Sean (1679) | Won 2-1 | +201586 |
| top | average opponent: 1705record: 8-5 | new rating: 1586 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 114 | Brockway, Marc (1550) | Lost 0-2 | -171483 |
| 4modern | 39 | Gribbin, Sean (1571) | Won 2-1 | +201503 |
| 5modern | 447 | Soorani, Shaheen (1966) | Lost 0-2 | -111492 |
| 6modern | 180 | Rodriguez, Darius (1483) | Lost 0-2 | -181474 |
| 7modern | 626 | Drake, William (1491) | Lost 1-2 | -171457 |
| 8modern | 587 | Panuccio, Conor (1487) | Won 2-0 | +181475 |
| 9modern | 482 | Ragan, Benjamin (1502) | Won 2-0 | +191494 |
| top | average opponent: 1579record: 3-4 | new rating: 1494 | ||