Polca, Shawn
Current rating: 1575
Record: 37-41-1
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 116 | Okun-Dubitsky, Julian (1443) | Won 2-0 | +161561 |
| 2standard | 196 | Arpie, Daniel (1518) | Draw 1-1 | -11560 |
| 3standard | 396 | Clayton, Tarrick (1478) | Won 2-0 | +171577 |
| 4standard | 224 | Booth, Joseph (1502) | Won 2-0 | +161593 |
| 5standard | 107 | Posporelis, Chris (1624) | Won 2-0 | +191612 |
| 6standard | 54 | True, Samuel (1622) | Lost 0-2 | -181594 |
| 7standard | 164 | Blanchet, Eric (1566) | Won 2-0 | +181612 |
| 8standard | 87 | Ducharme, Kyle (1620) | Lost 0-2 | -181594 |
| 9standard | 181 | Paccione, Mike (1583) | Lost 0-2 | -191575 |
| top | average opponent: 1551record: 5-3-1 | new rating: 1575 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 328 | Hurst, Alex (1590) | Won 2-1 | +211443 |
| 2standard | 120 | Overholt, Cooper (1518) | Won 2-0 | +191462 |
| 3standard | 42 | Cyr, Shawn (1492) | Won 2-0 | +191481 |
| 4standard | 165 | Dojcsak, Mike (1563) | Won 2-1 | +191500 |
| 5standard | 89 | Li, Jinlin (1632) | Won 2-1 | +211521 |
| 6standard | 6 | Carroll, Roger (1618) | Lost 0-2 | -161505 |
| 7standard | 51 | Tousi, Cameron (1680) | Won 2-1 | +211526 |
| 8standard | 46 | O'Brien, Chris (1772) | Lost 0-2 | -141512 |
| 9standard | 87 | Bourgoin, Michael (1591) | Lost 0-2 | -161496 |
| 10standard | 742 | Boone, Jacob (1589) | Won 2-1 | +191515 |
| 11standard | 621 | Koepke, Devin (1756) | Lost 1-2 | -131502 |
| 12standard | 713 | Downing, Bruce (1613) | Won 2-0 | +201522 |
| 13standard | 625 | Heath, Connor (1563) | Won 2-0 | +181540 |
| 14standard | 611 | Campen, Steve (1597) | Won 2-0 | +191559 |
| 15standard | 612 | Delano, Jonathan (1744) | Lost 0-2 | -141545 |
| top | average opponent: 1621record: 10-5 | new rating: 1545 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1363 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Kosan, Anthony (1500) | Won 2-0 | +211384 |
| 2standard | 36 | Schmuckler, Brett (1747) | Won 2-0 | +241408 |
| 3standard | 307 | Fournier, Daniel (2021) | Won 2-0 | +281436 |
| 4standard | 145 | Pressley, Tyler (1683) | Lost 0-2 | -141422 |
| 5standard | 195 | Bastecki, Alex (1730) | Won 2-1 | +241446 |
| 6standard | 191 | Long, Matthew (1761) | Won 2-1 | +231469 |
| 7standard | 100 | Bruce, Adam (1524) | Lost 0-2 | -171452 |
| 8standard | 109 | Duhaim, Samuel (1613) | Lost 0-2 | -151437 |
| 9standard | 277 | Weber, Ethan (1585) | Lost 0-2 | -151422 |
| top | average opponent: 1685record: 5-4 | new rating: 1422 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1358 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 442 | Hunt, Ben (1500) | Won 2-0 | +201378 |
| 2modern | 599 | Asbach, John (1628) | Lost 1-2 | -131365 |
| 3modern | 1033 | Russell, Thomas (1522) | Lost 1-2 | -161349 |
| 4modern | 1093 | Black, Seth (1427) | Lost 1-2 | -161333 |
| 5modern | 1121 | Baraniecki, Michael (1794) | Won 2-1 | +261359 |
| 6modern | 802 | Vaughan, Patrick (1495) | Won 2-0 | +201379 |
| 7modern | 557 | Solave, Ryan (1495) | Lost 0-2 | -161363 |
| top | average opponent: 1551record: 3-4 | new rating: 1363 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1384 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Martin, Jacob (1500) | Won 2-1 | +201404 |
| 2sealed | 544 | Potvin, Guillaume (1574) | Lost 0-2 | -151389 |
| 3sealed | 492 | Sosna, Ryan (1558) | Lost 0-2 | -151374 |
| 4sealed | 641 | Hitchcock, Ian (1469) | Lost 0-2 | -161358 |
| top | average opponent: 1525record: 1-3 | new rating: 1358 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1388 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 556 | Ossowski, Tyler (1500) | Won 2-0 | +201408 |
| 2modern | 165 | Ngo, Andrew (1481) | Lost 1-2 | -171391 |
| 3modern | 469 | Keyser, Nicholas Keyser (1502) | Lost 1-2 | -161375 |
| 4modern | 518 | Holden, Zachary (1435) | Lost 1-2 | -171358 |
| 5modern | 561 | Bernett, Evan (1489) | Won 2-0 | +211379 |
| 6modern | 487 | Young, Jay (1481) | Won 2-0 | +191398 |
| 7modern | 359 | Longnecker, Robert (1433) | Lost 1-2 | -171381 |
| 8modern | 287 | Cullerton, Evan (1420) | Won 2-0 | +191400 |
| 9modern | 236 | Hamrick, George (1499) | Lost 1-2 | -161384 |
| top | average opponent: 1471record: 4-5 | new rating: 1384 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1346 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 398 | Mccullum, Vincent (1464) | Won 2-1 | +201366 |
| 2legacy | 7 | Fickey, Alexandrea (1515) | Won 2-1 | +201386 |
| 3legacy | 265 | Klinkhammer, Matthew (1734) | Lost 0-2 | -111375 |
| 4legacy | 370 | Riggs, Nathanial (1487) | Lost 0-2 | -161359 |
| 5legacy | 561 | Peters, Timothy (1504) | Won 2-0 | +201379 |
| 6legacy | 405 | Chapin, Sam (1455) | Lost 1-2 | -161363 |
| 7legacy | 460 | Jones, Greg S (1526) | Won 2-0 | +211384 |
| 8legacy | 336 | Stiteler, Larry (1465) | Won 2-0 | +191403 |
| 9legacy | 252 | Sagnay, Philip (1551) | Lost 0-2 | -151388 |
| top | average opponent: 1522record: 5-4 | new rating: 1388 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Idler, John (1500) | Lost 1-2 | -161378 |
| 2sealed | 466 | Holt, Nathaniel (1500) | Lost 0-2 | -161362 |
| 3sealed | 635 | Valeo, Matthew (1464) | Lost 0-2 | -161346 |
| top | average opponent: 1488record: 0-3 | new rating: 1346 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 190 | Dicker, Elliott (1498) | Lost 1-2 | -171428 |
| 2standard | 427 | Oppenheimer, Dave M (1469) | Lost 0-2 | -181410 |
| 3standard | 716 | Hill, Dan (1382) | Won 2-0 | +181428 |
| 4standard | 665 | Betesh, Ralph (1464) | Lost 0-2 | -171411 |
| 5standard | 646 | Wille, Sandra (1463) | Lost 0-2 | -171394 |
| top | average opponent: 1456record: 1-4 | new rating: 1394 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 63 | Hunter, Joshua (1500) | Lost 0-2 | -181482 |
| 2standard | 541 | Kimmel, Tyler (1468) | Won 2-0 | +181500 |
| 3standard | 508 | Marney, Austin (1498) | Lost 1-2 | -181482 |
| 4standard | 546 | DeiDolori, Michael (1464) | Lost 0-2 | -191463 |
| 5standard | 664 | Schumann, Joe (1462) | Lost 0-2 | -181445 |
| 6standard | 575 | Schabauer, Angela (1445) | Lost 1-2 | -181427 |
| 7standard | 490 | Price, Greg (1442) | Lost 1-2 | -171410 |
| 8standard | 394 | Beach, Kevin (1410) | Won 2-0 | +181428 |
| 9standard | 307 | Daigneault, Toby (1379) | Won 2-0 | +171445 |
| top | average opponent: 1452record: 3-6 | new rating: 1445 | ||