Jamnik, Chad
Current rating: 1574
Record: 24-20-2
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Sanders, John (1522) | Lost 1-2 | -191559 |
| 2standard | 474 | Crocker, Ken (1549) | Lost 0-2 | -181541 |
| 3standard | 578 | Hill, Gregory (1464) | Lost 1-2 | -191522 |
| 4standard | 590 | Lavrenz, Joe (1658) | Lost 1-2 | -161506 |
| 5standard | 559 | Arvold, Aidan (1430) | Won 2-0 | +171523 |
| 6standard | 477 | Carpenter, Jesse (1447) | Won 2-0 | +161539 |
| 7standard | 402 | Henkel, Spencer (1472) | Won 2-1 | +171556 |
| 8standard | 314 | Elkins, Brandon (1564) | Won 2-0 | +181574 |
| top | average opponent: 1513record: 4-4 | new rating: 1574 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 215 | Padua Fontan, Edwin (1458) | Lost 1-2 | -201526 |
| 2standard | 354 | Kelahan, Seamus (1745) | Won 2-1 | +221548 |
| 3standard | 373 | Lopez, Jose Manuel (1514) | Lost 0-2 | -191529 |
| 4standard | 498 | Zhang, Boyang (1511) | Won 2-0 | +181547 |
| 5standard | 327 | Irwin, John (1450) | Lost 1-2 | -201527 |
| 6standard | 397 | Moody, Mitchell (1493) | Won 2-0 | +181545 |
| 7standard | 358 | Petrucco, David (1507) | Won 2-0 | +171562 |
| 8standard | 205 | Devlin, Michael (1471) | Won 2-0 | +161578 |
| top | average opponent: 1519record: 5-3 | new rating: 1578 | ||
| Grand Prix Richmond 2018 (std) (M19 standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Saucedo, Alan (1432) | Lost 1-2 | -191488 |
| 2standard | 195 | Reynolds, Ryan (1460) | Won 2-0 | +171505 |
| 3standard | 244 | Neenan, Baker (1514) | Lost 0-2 | -181487 |
| 4standard | 302 | Coleman, Jared (1426) | Won 1-0 | +171504 |
| 5standard | 226 | Criqui, Brad (1499) | Won 2-1 | +181522 |
| 6standard | 167 | Alsbrook, Jordan (1488) | Draw 1-1 | 01522 |
| 7standard | 187 | Reynolds, Patrick (1739) | Won 2-0 | +221544 |
| 8standard | 132 | Verdesoto, Daniel (1667) | Draw 1-1 | +21546 |
| top | average opponent: 1528record: 4-2-2 | new rating: 1546 | ||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 113 | Cascio, Anthony (1509) | Won 2-1 | +181532 |
| 4standard | 14 | Nickerson, Jonathan (1680) | Lost 1-2 | -151517 |
| 5standard | 149 | Grimes, Zachary (1502) | Won 2-1 | +181535 |
| 6standard | 34 | Honkonen, Charles (1570) | Lost 0-2 | -181517 |
| 7standard | 80 | Rofino, Anthony (1455) | Won 2-0 | +171534 |
| 8standard | 103 | Tibirna, Alexandru (1499) | Won 2-0 | +171551 |
| 9standard | 43 | Whiteside, Edward (1594) | Lost 1-2 | -171534 |
| 10standard | 64 | Gedajlovic, Max (1589) | Won 2-1 | +191553 |
| 11standard | 51 | Kelly, Jeff (1637) | Won 2-1 | +201573 |
| 12standard | 29 | Hicks, Zachary (1548) | Lost 0-2 | -191554 |
| 13standard | 44 | Ihlenfeldt, Samuel (1803) | Lost 0-2 | -131541 |
| 14standard | 59 | Sprouse, Joseph (1608) | Lost 1-2 | -171524 |
| 15standard | 60 | Delvalle, Nicolas (1587) | Lost 0-2 | -171507 |
| top | average opponent: 1583record: 6-7 | new rating: 1507 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Andrews, Charles (1411) | Won 2-0 | +161516 |
| 2sealed | 73 | Rapien, Taylor (1684) | Lost 0-2 | -151501 |
| 3sealed | 386 | Knapp, Kyle (1501) | Lost 0-2 | -181483 |
| 4sealed | 389 | Popovych, Taras (1481) | Lost 1-2 | -181465 |
| 5sealed | 474 | Fonseka, Aruna (1586) | Lost 0-2 | -151450 |
| 6sealed | 470 | Batz, Ray (1413) | Won 2-0 | +171467 |
| 7sealed | 388 | Uthuppan, Joseph (1373) | Won 2-0 | +161483 |
| 8sealed | 341 | Gregg, Jeffrey (1218) | Won 2-0 | +131496 |
| 9sealed | 291 | Carroll, Clayton (1487) | Won 2-0 | +181514 |
| top | average opponent: 1462record: 5-4 | new rating: 1514 | ||