Hafner, Chris
Current rating: 1525
Record: 34-38
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 184 | Smith, Noah (1509) | Lost 1-2 | -181500 |
| 2pioneer | 549 | Del Valle, Vladimir (1514) | Won 2-0 | +181518 |
| 3pioneer | 280 | Frischer, David (1470) | Lost 1-2 | -191499 |
| 4pioneer | 348 | Evans, Jason (1477) | Won 2-0 | +181517 |
| 5pioneer | 243 | Normandin, Katharine (1461) | Lost 0-2 | -191498 |
| 6pioneer | 464 | Kolaventy, Rajarshi (1539) | Won 2-0 | +191517 |
| 7pioneer | 255 | Ingram, Peter (1899) | Won 2-1 | +241541 |
| 8pioneer | 161 | Chellis, Brandon (1626) | Lost 0-2 | -161525 |
| top | average opponent: 1562record: 4-4 | new rating: 1525 | ||
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1325 | Childers, Cody (1554) | Lost 1-2 | -181517 |
| 2pioneer | 1316 | Sellers, Josh (1651) | Won 2-0 | +211538 |
| 3pioneer | 1330 | Sullin, Eric (1509) | Won 2-1 | +171555 |
| 4pioneer | 1091 | Rodriguez, Kenneth (1598) | Lost 0-2 | -171538 |
| 5pioneer | 1218 | Greer, Joseph (1511) | Won 2-1 | +171555 |
| 6pioneer | 1152 | Hughes, Noah (1524) | Lost 1-2 | -181537 |
| 7pioneer | 1230 | Efseroff, Brayden (1509) | Lost 1-2 | -191518 |
| top | average opponent: 1551record: 3-4 | new rating: 1518 | ||
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 41 | Baker, Ian (1438) | Won 2-1 | +161562 |
| 4legacy | 26 | Thomsen, Sascha (1859) | Won 2-0 | +231585 |
| 5legacy | 15 | Nash, Adam (1575) | Lost 0-2 | -181567 |
| 6legacy | 85 | Kipple, Sean (1648) | Lost 1-2 | -171550 |
| 7legacy | 156 | Lam, David (1698) | Lost 0-2 | -151535 |
| top | average opponent: 1643record: 2-3 | new rating: 1535 | ||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 21 | Zhang, Boyang (1549) | Lost 0-2 | -171460 |
| 4legacy | 216 | Chang, Brandon (1625) | Lost 0-2 | -151445 |
| 5legacy | 288 | Eiginger, Nicholas (1525) | Won 2-0 | +201465 |
| 6legacy | 151 | Turley, Sean (1487) | Won 2-0 | +181483 |
| 7legacy | 150 | Ingram, Peter (1809) | Won 2-0 | +241507 |
| 8legacy | 70 | Wijaya, Vidianto (2082) | Won 2-1 | +271534 |
| 9legacy | 2079 | Rogers, Chris (1584) | Won 2-1 | +191553 |
| 10legacy | 2029 | Wescoe, Craig (1880) | Won 2-1 | +241577 |
| 11legacy | 2028 | Tiberio, Carlos (1678) | Lost 0-2 | -161561 |
| 12legacy | 2031 | Martinez, Mario E (1911) | Lost 0-2 | -121549 |
| 13legacy | 2049 | Schuetz, Stefan (1969) | Lost 0-2 | -111538 |
| 14legacy | 2055 | Chauhan, Nachiket (1596) | Won 2-0 | +191557 |
| 15legacy | 2054 | Haversat, Jacob (1907) | Lost 0-2 | -111546 |
| top | average opponent: 1739record: 7-6 | new rating: 1546 | ||
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 182 | Cuevas, Alexis (1548) | Lost 1-2 | -171492 |
| 4standard | 244 | Chen, Alexander (1678) | Won 2-0 | +211513 |
| 5standard | 149 | Timmins, Robert (1541) | Won 2-0 | +191532 |
| 6standard | 124 | He, Brandon (1514) | Lost 0-2 | -181514 |
| 7standard | 104 | Grant, Jamal (1538) | Won 2-0 | +181532 |
| 8standard | 142 | Lerner, Ivan (1546) | Won 2-0 | +181550 |
| 9standard | 91 | Chrisman, Corey (1591) | Lost 0-2 | -171533 |
| 10standard | 130 | Martinez, Mario E (1974) | Won 2-1 | +261559 |
| 11standard | 106 | Nikolich, Benjamin (1900) | Lost 0-2 | -121547 |
| 12standard | 127 | Young, Rich (1572) | Lost 0-2 | -181529 |
| 13standard | 142 | Low, Seth (1496) | Lost 0-2 | -191510 |
| 14standard | 131 | Russell, Griffin (1511) | Lost 0-2 | -181492 |
| 15standard | 126 | Lizzi, Adam (1640) | Lost 1-2 | -151477 |
| top | average opponent: 1619record: 5-8 | new rating: 1477 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 273 | Bauer, Jared (1486) | Lost 1-2 | -181465 |
| 2standard | 313 | Fischer, Scott (1482) | Won 2-0 | +181483 |
| 3standard | 443 | Cooperman, Ross (1560) | Lost 1-2 | -171466 |
| 4standard | 604 | Polglase, Samuel (1465) | Won 2-0 | +181484 |
| 5standard | 534 | Mohns, Brett (1494) | Won 2-1 | +191503 |
| 6standard | 327 | Klenotic, Tom (1730) | Lost 1-2 | -141489 |
| 7standard | 388 | Crave, Kevin (1440) | Won 2-1 | +171506 |
| 8standard | 286 | Mercado, Franz (1515) | Won 2-0 | +181524 |
| 9standard | 176 | Durham, Tim (1482) | Won 2-1 | +171541 |
| 10standard | 727 | Dunn, Payne (1470) | Lost 1-2 | -191522 |
| 11standard | 744 | Weiser, Daniel (1748) | Won 2-1 | +221544 |
| 12standard | 662 | AuCoin, Ryan (1589) | Lost 1-2 | -171527 |
| 13standard | 682 | Piscitelli, Zach (1560) | Lost 1-2 | -181509 |
| top | average opponent: 1540record: 7-6 | new rating: 1509 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Whipple, Ethan (1500) | Lost 0-2 | -181481 |
| 2standard | 322 | Hosick, Harry (1482) | Won 2-1 | +181499 |
| 3standard | 494 | Chasan, Ze'Eva (1422) | Lost 1-2 | -201479 |
| 4standard | 524 | Trau, Jason (1484) | Won 2-1 | +181497 |
| 5standard | 513 | Kenney, Michael (1674) | Lost 0-2 | -141483 |
| 6standard | 506 | Balluch, Kyle (1447) | Won 2-0 | +171500 |
| 7standard | 449 | Ng, Joseph (1545) | Lost 0-2 | -171483 |
| top | average opponent: 1508record: 3-4 | new rating: 1483 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 203 | Korner, Nick (1546) | Won 2-0 | +191519 |
| 2modern | 23 | Leonard, Stephen (1517) | Lost 1-2 | -181501 |
| 3modern | 831 | Webster, Justin (1485) | Won 2-1 | +181519 |
| 4modern | 552 | Lee, Jacob (1473) | Lost 0-2 | -191500 |
| 5modern | 840 | Ronan, Daniel (1504) | Won 2-1 | +181518 |
| 6modern | 602 | Tonon, John (1454) | Lost 1-2 | -191499 |
| top | average opponent: 1497record: 3-3 | new rating: 1499 | ||