Pienkny, Jedidiah
Current rating: 1716 (#5537)
Record: 33-21-2
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1719 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 282 | Peters, Austin (1530) | Lost 0-2 | -221697 |
| 2pioneer | 566 | Huizinga, Noah (1442) | Won 2-0 | +141711 |
| 3pioneer | 111 | Garza, Cesar (1733) | Lost 1-2 | -181693 |
| 4pioneer | 541 | Lo, Laurence (1595) | Draw 1-1 | -21691 |
| 5pioneer | 439 | Widener, Bryant M (1501) | Won 2-0 | +151706 |
| 6pioneer | 331 | Lex, Brandon (1493) | Won 2-0 | +141720 |
| 7pioneer | 219 | Woodbury, Elijah (1630) | Won 2-0 | +171737 |
| 8pioneer | 144 | White, Sam (1588) | Lost 0-2 | -211716 |
| top | average opponent: 1564record: 4-3-1 | new rating: 1716 | ||
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1739 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 246 | Oldenkamp, Jeremie (1500) | Lost 1-2 | -221717 |
| 2pioneer | 335 | Reilly, Michael (1506) | Won 2-0 | +141731 |
| 3pioneer | 281 | Comminos, Bill (1672) | Lost 1-2 | -191712 |
| 4pioneer | 481 | T, Jay (1491) | Won 2-1 | +141726 |
| 5pioneer | 273 | Wojciechowski, Jay (1461) | Won 2-0 | +131739 |
| 6pioneer | 205 | Nossett, Miles (1596) | Lost 0-2 | -201719 |
| top | average opponent: 1538record: 3-3 | new rating: 1719 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 230 | Truppi, Mike (1500) | Won 2-0 | +161625 |
| 2modern | 196 | Ellis, Jason (1786) | Lost 1-2 | -151610 |
| 3modern | 583 | Sinclair, Andrew (1470) | Won 2-1 | +161626 |
| 4modern | 241 | Derotto, Brian (1518) | Won 2-0 | +161642 |
| 5modern | 361 | Leonard, Orson (1523) | Won 2-0 | +151657 |
| 6modern | 171 | Strianese, Michael (1548) | Won 2-0 | +161673 |
| 7modern | 104 | Clough, Christopher (1573) | Won 2-1 | +171690 |
| 8modern | 21 | Berardinelli, Luke (1594) | Won 2-1 | +161706 |
| 9modern | 219 | Johnson, Brendon (1808) | Lost 0-2 | -161690 |
| 10modern | 231 | Zhang, Yue (1697) | Won 2-1 | +181708 |
| 11modern | 250 | Birrell, Ian (1816) | Won 2-0 | +201728 |
| 12modern | 237 | Auger, Maxime (1986) | Won 2-1 | +221750 |
| 13modern | 209 | Chen, Gregory (1664) | Lost 0-2 | -191731 |
| 14modern | 243 | Duke, Reid (2249) | Lost 0-2 | -91722 |
| 15modern | 262 | Xu, Jimmy (1704) | Won 2-1 | +171739 |
| top | average opponent: 1696record: 11-4 | new rating: 1739 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 313 | Newcombe, Steve (1617) | Lost 1-2 | -161480 |
| 2standard | 382 | Jeffcott, John (1510) | Won 2-0 | +191499 |
| 3standard | 644 | Keyes, Jared (1499) | Won 2-1 | +181517 |
| 4standard | 397 | Ramos, Carlos (1517) | Won 2-1 | +181535 |
| 5standard | 216 | Bollard, Liam (1622) | Won 2-1 | +191554 |
| 6standard | 189 | Yao, Zile (1786) | Won 2-1 | +221576 |
| 7standard | 40 | Jones, Kevin (2046) | Lost 1-2 | -101566 |
| 8standard | 211 | Wright, Christian (1627) | Won 2-1 | +201586 |
| 9standard | 76 | Bishop, Luke (1533) | Won 2-1 | +171603 |
| 10standard | 48 | Ledermann, Kyle (1598) | Won 2-0 | +181621 |
| 11standard | 28 | Plott, Zachary (1717) | Lost 0-2 | -171604 |
| 12standard | 104 | Thompson, Kale (1895) | Won 2-0 | +231627 |
| 13standard | 78 | Bates, Jeffrey (1567) | Won 2-1 | +171644 |
| 14standard | 46 | Desbiens, Philippe (1740) | Lost 0-2 | -161628 |
| 15standard | 73 | Shrum, Dmitri (1575) | Lost 0-2 | -191609 |
| top | average opponent: 1657record: 10-5 | new rating: 1609 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 360 | Muir, Mark (1500) | Won 2-1 | +191466 |
| 2standard | 93 | Yatsenko, Alex (1510) | Draw 1-1 | 01466 |
| 3standard | 256 | Pangnathip, Souksavanh (1523) | Won 2-1 | +191485 |
| 4standard | 137 | Walsh, Daniel (1745) | Won 2-0 | +231508 |
| 5standard | 73 | Doehring, Willy (1522) | Lost 0-2 | -181490 |
| 6standard | 164 | Rast, Arthur (1497) | Won 2-1 | +181508 |
| 7standard | 102 | Lo, Shawn (1556) | Lost 1-2 | -171491 |
| 8standard | 170 | Wang, Max (1651) | Won 2-0 | +211512 |
| 9standard | 124 | Lavallee, Len (1613) | Lost 1-2 | -161496 |
| top | average opponent: 1569record: 5-3-1 | new rating: 1496 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 417 | Gouveia, Adam (1570) | Lost 1-2 | -171483 |
| 2standard | 494 | Zimmerman, Rob (1445) | Lost 0-2 | -181465 |
| 3standard | 855 | Okeefe, Lauren (1463) | Lost 1-2 | -181447 |
| top | average opponent: 1493record: 0-3 | new rating: 1447 | ||