Holmberg, David
Current rating: 1694
Record: 44-34
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 62 | Aggarwal, Luke (1608) | Won 2-0 | +171660 |
| 3modern | 285 | Rudiger, Alexander (1519) | Lost 0-2 | -201640 |
| 4modern | 409 | Chu, Tony (1550) | Won 2-0 | +161656 |
| 5modern | 238 | McKay, Sean (1459) | Lost 0-2 | -211635 |
| 6modern | 322 | Tovar, Ricky (1430) | Won 2-0 | +141649 |
| 7modern | 194 | Tolar-Payne, Brenden (1553) | Won 2-1 | +161665 |
| 8modern | 244 | Hambrick, Richard (1552) | Won 2-1 | +161681 |
| 9modern | 157 | Roti Roti, Joseph (1671) | Won 2-1 | +181699 |
| 10modern | 2072 | Cao, William (1664) | Lost 1-2 | -191680 |
| 11modern | 2122 | Hartman, Neil (1527) | Won 2-1 | +161696 |
| 12modern | 2058 | Nguyen, Viet (1689) | Won 2-0 | +171713 |
| 13modern | 2072 | Johnson, Mark0892 (1597) | Lost 0-2 | -201693 |
| 14modern | 2080 | Blue, Vivienne (1774) | Lost 1-2 | -161677 |
| 15modern | 2097 | Isogami, Kazuma (1615) | Won 2-1 | +171694 |
| top | average opponent: 1586record: 9-5 | new rating: 1694 | ||
| Grand Prix Calgary 2019 (modern) | starting rating: 1629 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 15 | Flaman-Haley, Robert (1492) | Won 2-1 | +161645 |
| 3modern | 93 | Kittinger, Joel (1437) | Won 2-0 | +141659 |
| 4modern | 42 | Dhaliwal, Shawn (1952) | Lost 0-2 | -131646 |
| 5modern | 113 | Phung-Tieu, Edward (1499) | Won 2-1 | +161662 |
| 6modern | 62 | Frosst, Andrew (1517) | Won 2-1 | +151677 |
| 7modern | 14 | Shivji, Qail (1909) | Lost 0-2 | -141663 |
| 8modern | 80 | Potter, Ron (1548) | Lost 0-2 | -201643 |
| top | average opponent: 1622record: 4-3 | new rating: 1643 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 97 | Lenning, Michael (1517) | Won 2-1 | +161622 |
| 3sealed | 39 | Hampton, Jesse (1767) | Won 2-1 | +211643 |
| 4sealed | 82 | Hoshide, Naonari (1596) | Lost 0-2 | -191624 |
| 5sealed | 104 | Smith, Warren (1800) | Lost 0-2 | -151609 |
| 6sealed | 170 | Kitchen, Ryan (1525) | Won 2-1 | +171626 |
| 7sealed | 173 | Rennie, Evan (1652) | Won 2-0 | +181644 |
| 8sealed | 119 | Black, Samuel (1808) | Lost 0-2 | -151629 |
| top | average opponent: 1666record: 4-3 | new rating: 1629 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 340 | Svarthumle, Jason (1500) | Won 2-0 | +171554 |
| 2legacy | 181 | Raitano, Tristan (1529) | Won 2-1 | +181572 |
| 3legacy | 30 | Wilder, Timothy (1534) | Won 2-1 | +171589 |
| 4legacy | 84 | Omori, Ken'ichirou (1918) | Lost 0-2 | -121577 |
| 5legacy | 180 | Garza, Cesar (1958) | Won 2-0 | +241601 |
| 6legacy | 209 | Grant, Bradford (1737) | Lost 1-2 | -151586 |
| 7legacy | 216 | Mohamed, Aaron (1601) | Won 2-0 | +181604 |
| 8legacy | 130 | Adelman, Max (1555) | Won 2-0 | +171621 |
| 9legacy | 1064 | Dunn, Chris (1535) | Won 2-1 | +171638 |
| 10legacy | 1096 | Strachan, Tyrik (1585) | Lost 0-2 | -191619 |
| 11legacy | 1066 | Tierney, Patrick (1888) | Won 2-1 | +221641 |
| 12legacy | 1053 | Mullen, Samuel (1599) | Lost 0-2 | -181623 |
| 13legacy | 1089 | Genova, Daniel (1587) | Won 2-1 | +171640 |
| 14legacy | 1068 | Garner, Robert (1462) | Lost 0-2 | -211619 |
| 15legacy | 1082 | Demestrio, Joe (1913) | Lost 0-2 | -131606 |
| top | average opponent: 1660record: 9-6 | new rating: 1606 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 479 | Peterson, Mathieu (1500) | Won 2-0 | +181550 |
| 2modern | 50 | Goldfarb, David (1801) | Lost 0-2 | -141536 |
| 3modern | 459 | Voskamp, Jordan (1462) | Won 2-0 | +171553 |
| 4modern | 520 | Wan, Tse Shuen (1515) | Won 2-0 | +171570 |
| 5modern | 115 | Chirnside, Adam (1611) | Lost 1-2 | -171553 |
| 6modern | 341 | Robinson, Andrew [CAN] (1649) | Lost 1-2 | -161537 |
| top | average opponent: 1590record: 3-3 | new rating: 1537 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 584 | Lawton, Kyle (1638) | Won 2-0 | +201548 |
| 2standard | 371 | White, Jeremy (1760) | Won 2-1 | +221570 |
| 3standard | 221 | Lewis, Rolando (1536) | Won 2-0 | +181588 |
| 4standard | 68 | Klesh, Adam (1584) | Lost 0-2 | -191569 |
| 5standard | 97 | Cranford, Clayton (1500) | Lost 1-2 | -191550 |
| 6standard | 216 | Ahlbach, Connor (1555) | Lost 1-2 | -181532 |
| top | average opponent: 1596record: 3-3 | new rating: 1532 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2344 | Boucher, Robert James (1462) | Won 2-1 | +181501 |
| 2modern | 2146 | Anundsen, Dominic (1470) | Won 2-0 | +171518 |
| 3modern | 2119 | Ziemba, Brian (1825) | Lost 0-2 | -121506 |
| 4modern | 2457 | Orr, Gregory (1474) | Won 2-0 | +171523 |
| 5modern | 2091 | Briginshaw, Richard (1578) | Won 2-0 | +191542 |
| 6modern | 2078 | McHardy, Duncan (1510) | Lost 0-2 | -191523 |
| 7modern | 2146 | Gay, Nathan (1628) | Won 2-1 | +201543 |
| 8modern | 2148 | Lysenko, Jesse (1524) | Lost 1-2 | -181525 |
| 9modern | 2213 | Swanson, Sam (1615) | Won 2-0 | +201545 |
| 10modern | 2161 | Steinfeld, Alexander (1630) | Lost 0-2 | -171528 |
| 11modern | 2161 | Boyd, Curtis (1534) | Won 2-0 | +181546 |
| 12modern | 2159 | Drake, Alex (1556) | Lost 1-2 | -181528 |
| top | average opponent: 1567record: 7-5 | new rating: 1528 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Chisholm, David (1517) | Lost 1-2 | -181482 |
| 2sealed | 522 | Rojo Leon, Rodrigo (1499) | Lost 0-2 | -171465 |
| 3sealed | 856 | Pisio, Shawn (1490) | Won 0-0 | +181483 |
| 4sealed | 635 | Swartz, Jack (1481) | Won 2-1 | +181501 |
| 5sealed | 590 | Jimenez, David (1501) | Lost 1-2 | -181483 |
| top | average opponent: 1498record: 2-3 | new rating: 1483 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 358 | Do, Mary (1500) | Lost 0-2 | -181482 |
| 2modern | 267 | Naswell, Mark (1482) | Won 2-1 | +181500 |
| 3modern | 228 | Brandt, Daniel (1498) | Lost 1-2 | -181482 |
| 4modern | 380 | Lin, Yuming (1545) | Won 2-1 | +191501 |
| 5modern | 286 | Langman, Reg (1435) | Won 2-0 | +171518 |
| 6modern | 199 | Catudal, Jordan (1522) | Lost 0-2 | -181500 |
| top | average opponent: 1497record: 3-3 | new rating: 1500 | ||