Pederson, Derick
Current rating: 1595
Record: 40-34
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 286 | Aprim, Chris (1570) | Lost 1-2 | -201640 |
| 2pioneer | 365 | Danos, Dominic (1482) | Lost 0-2 | -211619 |
| 3pioneer | 494 | Allen, Nolan (1613) | Lost 0-2 | -181601 |
| 4pioneer | 519 | Lamothe, Jacob (1400) | Won 2-1 | +141615 |
| 5pioneer | 464 | T, Jay (1477) | Lost 1-2 | -201595 |
| top | average opponent: 1508record: 1-4 | new rating: 1595 | ||
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Angeles, Victor (1656) | Won 2-0 | +181675 |
| 2standard | 108 | Feliciano, Josh (1563) | Won 2-1 | +161691 |
| 3standard | 51 | Kroeger, Brett (1657) | Lost 1-2 | -191672 |
| 4standard | 144 | Brodsky, Warren (1519) | Won 2-0 | +151687 |
| 5standard | 119 | Cochran, Hunter (1985) | Won 2-1 | +241711 |
| 6standard | 66 | Stalsberg, Chase (1877) | Lost 0-2 | -151696 |
| 7standard | 75 | Xiao, Shutao (1505) | Lost 0-2 | -221674 |
| 8standard | 200 | Keith, Jody (1859) | Lost 0-2 | -141660 |
| top | average opponent: 1703record: 4-4 | new rating: 1660 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1646 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 330 | Shoemaker, Justin (1560) | Won 2-0 | +171663 |
| 2standard | 188 | Kendall, Zachary (1489) | Won 2-0 | +151678 |
| 3standard | 103 | Truitt, Evan (1553) | Lost 1-2 | -211657 |
| 4standard | 352 | Magnuson, Max (1686) | Won 2-0 | +191676 |
| 5standard | 86 | Gregory, Ryan (1524) | Lost 0-2 | -211655 |
| 6standard | 199 | McShea, Kevin (1824) | Won 2-1 | +211676 |
| 7standard | 223 | Keithley, Gregg (1558) | Lost 0-2 | -201656 |
| 8standard | 312 | Dunbar, Heath (1596) | Won 2-0 | +171673 |
| 9standard | 137 | Moughon, Evart (1782) | Lost 0-2 | -161657 |
| top | average opponent: 1619record: 5-4 | new rating: 1657 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 468 | Hartwell, David (1547) | Won 2-1 | +181604 |
| 2standard | 194 | Michael, Tommy (1520) | Won 2-1 | +161620 |
| 3standard | 274 | Vincent, Nehemiah (1505) | Won 2-1 | +161636 |
| 4standard | 114 | Gottstein, Jeff (1700) | Won 2-0 | +191655 |
| 5standard | 66 | Kwan, Michael (1766) | Won 0-0 | +201675 |
| 6standard | 15 | Simon, Michael (1739) | Lost 0-2 | -171658 |
| 7standard | 117 | Wiley, Jacob (1572) | Won 2-1 | +171675 |
| 8standard | 48 | Mostarac, Demetre (1448) | Lost 1-2 | -221653 |
| 9standard | 85 | Feil, Derek (1769) | Won 2-1 | +201673 |
| 10standard | 78 | Bulthaup, Sean (1792) | Won 2-1 | +201693 |
| 11standard | 32 | Sittner, Alex (1993) | Lost 1-2 | -131680 |
| 12standard | 64 | Wijaya, Vidianto (1953) | Lost 0-2 | -131667 |
| 13standard | 120 | Tibbetts, Jason (1510) | Lost 0-2 | -211646 |
| top | average opponent: 1678record: 8-5 | new rating: 1646 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 147 | Farmer, Wendy (1500) | Won 2-0 | +171587 |
| 2standard | 55 | Malme, Braden (1517) | Won 2-0 | +161603 |
| 3standard | 80 | Smith, Matthew (1591) | Won 2-0 | +181621 |
| 4standard | 164 | Su, Bo (1735) | Lost 0-2 | -161605 |
| 5standard | 227 | Santana, Robert (1601) | Lost 0-2 | -181587 |
| 6standard | 244 | Thompson, Samwise (1517) | Won 2-1 | +171604 |
| 7standard | 167 | Singleton, West (1597) | Lost 1-2 | -181586 |
| 8standard | 339 | Jecha, Matt (1555) | Won 2-0 | +171603 |
| 9standard | 286 | Smith, Chris [CAN] (1672) | Lost 0-0 | -171586 |
| top | average opponent: 1587record: 5-4 | new rating: 1586 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 286 | Aker, Clint (1518) | Lost 1-2 | -201607 |
| 3legacy | 460 | Calhoun, Robbie (1716) | Lost 0-2 | -161591 |
| 4legacy | 823 | Drew, Edward (1389) | Lost 0-2 | -211570 |
| top | average opponent: 1541record: 0-3 | new rating: 1570 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Molnar, Chandler (1500) | Won 2-0 | +151672 |
| 2sealed | 109 | Lawson, Christopher (1626) | Lost 1-2 | -181654 |
| 3sealed | 343 | Cronshaw, Drew (1522) | Lost 0-2 | -211633 |
| 4sealed | 365 | Luis, Ryan (1482) | Won 2-0 | +161649 |
| 5sealed | 270 | Schwaar, Katelyn (1481) | Lost 1-2 | -221627 |
| top | average opponent: 1522record: 2-3 | new rating: 1627 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Brower, James (1500) | Won 2-0 | +181533 |
| 2standard | 144 | Evans, Dylan (1517) | Won 2-0 | +181551 |
| 3standard | 55 | Merced, Davis (1653) | Lost 0-2 | -171534 |
| 4standard | 261 | Shih, Allen (1516) | Won 2-0 | +181552 |
| 5standard | 173 | Kailyn, Lily (1538) | Won 2-0 | +181570 |
| 6standard | 44 | DelPizzo, Paul (1565) | Won 2-0 | +181588 |
| 7standard | 92 | Lee, John 2 (1616) | Won 2-0 | +181606 |
| 8standard | 45 | Black, Samuel (2046) | Lost 0-2 | -101596 |
| 9standard | 92 | Seifert, Nick (1689) | Won 2-0 | +201616 |
| 10standard | 37 | Boese, Travis (1671) | Won 2-0 | +191635 |
| 11standard | 47 | Jensen, William (2075) | Lost 1-2 | -111624 |
| 12standard | 51 | Nguyen, Joey (1641) | Won 2-0 | +181642 |
| 13standard | 24 | Wolloch, Sam (1655) | Won 2-0 | +191661 |
| 14standard | 16 | Jansekok, Ryan D (1617) | Lost 0-2 | -191642 |
| 15standard | 32 | Kenjar, Jason (1504) | Won 2-0 | +151657 |
| top | average opponent: 1654record: 11-4 | new rating: 1657 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 244 | Sample, Michael (1457) | Won 2-0 | +171517 |
| 2sealed | 85 | Tichy, Derek (1500) | Won 2-0 | +181535 |
| 3sealed | 88 | Maez, Jared (1536) | Lost 1-2 | -181517 |
| 4sealed | 232 | Walthers, Chris (1486) | Won 2-1 | +171534 |
| 5sealed | 137 | Chu, Timothy (1538) | Won 2-1 | +181552 |
| 6sealed | 57 | Folsom, Riley (1451) | Lost 0-2 | -191533 |
| 7sealed | 169 | Marusek, Josh (1564) | Lost 1-2 | -181515 |
| top | average opponent: 1505record: 4-3 | new rating: 1515 | ||