DePiazza, Michael
Current rating: 1667
Record: 32-27
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 194 | Thiele, Colton (1502) | Won 2-0 | +181545 |
| 3modern | 58 | Moreno, Daniel (1425) | Won 2-0 | +161561 |
| 4modern | 31 | Bauman, Mike (1763) | Lost 1-2 | -151546 |
| 5modern | 146 | Martinez Morales, Carlos Eduardo (1581) | Won 2-0 | +191565 |
| 6modern | 126 | Malquichagua, Manuel (1645) | Won 2-1 | +191584 |
| 7modern | 122 | Nguyen, Minh D (1884) | Won 2-1 | +241608 |
| 8modern | 23 | Miller, William (1751) | Won 2-0 | +201628 |
| 9modern | 41 | Bruno, David (1756) | Won 2-1 | +211649 |
| 10modern | 4 | Nakao, Motohiko (1780) | Won 2-1 | +201669 |
| 11modern | 6 | Liu, Jin 1269 (1797) | Lost 0-2 | -161653 |
| 12modern | 20 | Nguyen, David (1836) | Won 2-1 | +221675 |
| 13modern | 12 | Nettles, Logan (2008) | Won 2-0 | +231698 |
| 14modern | 5 | Clark, Daniel (1804) | Lost 0-2 | -161682 |
| 15modern | 12 | Szylman, Dariusz (1814) | Lost 0-2 | -151667 |
| top | average opponent: 1739record: 10-4 | new rating: 1667 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 160 | Koessel, Noah (1653) | Won 2-0 | +211525 |
| 3modern | 163 | Price, Andrew (1601) | Won 2-0 | +191544 |
| 4modern | 130 | Reibman, Calvin (1552) | Won 2-0 | +181562 |
| 5modern | 96 | Hunter, Sean (1455) | Lost 1-2 | -201542 |
| 6modern | 231 | Parise, Brett (1491) | Lost 0-2 | -191523 |
| 7modern | 229 | Riley, Jacob (1490) | Won 2-1 | +181541 |
| 8modern | 274 | Tan, Franche (1603) | Won 2-1 | +191560 |
| 9modern | 196 | Hawkinson, Ernie (1617) | Lost 0-2 | -171543 |
| 10modern | 193 | Wang, Jiuyang (1595) | Lost 0-2 | -171526 |
| 11modern | 301 | Poncelet, Kevin (1505) | Won 2-1 | +171543 |
| 12modern | 221 | Nguyen, Minh D (1644) | Lost 0-2 | -161527 |
| top | average opponent: 1564record: 6-5 | new rating: 1527 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 100 | Smith, Robert (1621) | Won 2-1 | +201521 |
| 3standard | 80 | Yeh, Kevin (1502) | Won 2-0 | +181539 |
| 4standard | 77 | Burkhart, Corey (2161) | Lost 0-2 | -81531 |
| 5standard | 236 | Dziuba, Kyle (1536) | Lost 0-2 | -181513 |
| 6standard | 295 | Head, Ron (1537) | Won 2-0 | +191532 |
| 7standard | 337 | Severson, Eric (2026) | Lost 1-2 | -101522 |
| 8standard | 393 | Channels, Johnny (1524) | Lost 0-2 | -181504 |
| top | average opponent: 1701record: 3-4 | new rating: 1504 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 145 | Kalbus, Kurt (1404) | Lost 0-2 | -191479 |
| 3legacy | 473 | Bliss, Nick (1587) | Lost 0-2 | -161463 |
| 4legacy | 819 | Rathbun, Matt (1477) | Won 2-0 | +181481 |
| 5legacy | 535 | Cance, Kyle (1467) | Won 2-1 | +181499 |
| 6legacy | 421 | Morris-Lent, Christopher (1486) | Won 2-1 | +171516 |
| 7legacy | 169 | Campusano, Eric (1669) | Lost 1-2 | -151501 |
| top | average opponent: 1515record: 3-3 | new rating: 1501 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 351 | Mcnair, Kendric (1503) | Won 2-0 | +181493 |
| 3standard | 146 | Medina, Albert (1536) | Won 2-0 | +191512 |
| 4standard | 66 | Crosthwaite, Rodolfo (1681) | Won 2-0 | +211533 |
| 5standard | 30 | Nelson, Spencer (1577) | Lost 0-2 | -171516 |
| 6standard | 183 | Castro, Christian (1521) | Lost 0-2 | -181498 |
| 7standard | 235 | Tejas, Steven (1473) | Won 2-1 | +181516 |
| 8standard | 149 | Lamberson, Terry (1560) | Lost 0-2 | -181498 |
| top | average opponent: 1550record: 4-3 | new rating: 1498 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 169 | Markeson, Scott (1823) | Lost 0-2 | -121471 |
| 4sealed | 351 | Vogel, Eric (1495) | Won 2-1 | +181489 |
| 5sealed | 106 | Moline, Adam (1535) | Lost 1-2 | -171472 |
| 6sealed | 306 | Folsom, Kyer (1454) | Won 2-1 | +181490 |
| 7sealed | 108 | Rolf, John (1653) | Lost 0-2 | -151475 |
| top | average opponent: 1592record: 2-3 | new rating: 1475 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 156 | Faria, Josef (1518) | Won 2-1 | +191517 |
| 3standard | 156 | Rivera, Tim (1752) | Lost 0-2 | -141503 |
| 4standard | 533 | Solis, Oscar (1405) | Lost 0-2 | -201483 |
| top | average opponent: 1558record: 1-2 | new rating: 1483 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 151 | Ancman, Grant (1539) | Won 2-1 | +191519 |
| 2sealed | 133 | Fleming, Nathan (1609) | Lost 0-2 | -171502 |
| 3sealed | 407 | Bale, Brandon (1467) | Won 2-0 | +181520 |
| 4sealed | 164 | Nelson, Spencer (1518) | Lost 0-2 | -181502 |
| 5sealed | 291 | Yorke, Dan (1499) | Won 2-0 | +181520 |
| 6sealed | 296 | Calderon, Jonathan (1330) | Lost 1-2 | -221498 |
| top | average opponent: 1493record: 3-3 | new rating: 1498 | ||