Cummings, James
Current rating: 1682
Record: 59-41-4
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1684 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Dominquez, Derek (1539) | Lost 1-2 | -211663 |
| 2standard | 135 | Samuelson, Jordan (1484) | Lost 0-2 | -211642 |
| 3standard | 235 | Coomes, Andrew (1467) | Draw 0-0 | -31639 |
| 4standard | 226 | Edmondson, Jeremy (1379) | Won 2-0 | +131652 |
| 5standard | 195 | Ellis, Tenor (1482) | Won 2-1 | +151667 |
| 6standard | 154 | Aflatooni, Aiden (1634) | Won 2-1 | +181685 |
| 7standard | 115 | Krimont, Austin (1524) | Won 2-0 | +151700 |
| 8standard | 77 | Zebib, Ziad (1732) | Lost 1-2 | -181682 |
| top | average opponent: 1530record: 4-3-1 | new rating: 1682 | ||
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1710 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 82 | Cook, Megan (1627) | Won 2-1 | +161726 |
| 2sealed | 1198 | Chabot, David (1394) | Won 2-0 | +121738 |
| 3sealed | 22 | Young, Michael M (1612) | Won 2-1 | +161754 |
| 4sealed | 12 | Zhuang, Ruize (1557) | Lost 0-2 | -211733 |
| 5sealed | 103 | LeBlanc, Aaron (1782) | Lost 1-2 | -181715 |
| 6sealed | 331 | Guggemos, Logan (1501) | Lost 0-2 | -211694 |
| 7sealed | 1199 | Melone, Catherine (1375) | Won 2-0 | +121706 |
| 8sealed | 210 | Divine, Chad (1477) | Lost 1-2 | -221684 |
| top | average opponent: 1541record: 4-4 | new rating: 1684 | ||
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1753 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 121 | Hubert, Chris (1537) | Won 2-0 | +141767 |
| 2standard | 71 | Kuczmarski, Damien (1548) | Won 2-1 | +141781 |
| 3standard | 125 | Paulus, Cameron (1475) | Lost 0-2 | -231758 |
| 4standard | 97 | Miller, Jackson [USA] (1522) | Won 2-1 | +141772 |
| 5standard | 58 | Steuer, Nathan (1864) | Lost 1-2 | -171755 |
| 6standard | 166 | Garner, Matt (1415) | Lost 0-2 | -231732 |
| 7standard | 150 | Muniz, Cody (1520) | Lost 0-2 | -221710 |
| top | average opponent: 1554record: 3-4 | new rating: 1710 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1676 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 60 | Blaiotta, Victor (1500) | Won 2-1 | +141690 |
| 2modern | 330 | Kane, Sebastein (1518) | Won 2-1 | +151705 |
| 3modern | 511 | Musser, Westin (1536) | Won 2-1 | +151720 |
| 4modern | 121 | Kulik, Lirek (1892) | Won 2-1 | +211741 |
| 5modern | 116 | Beardsley, Jake (1663) | Lost 1-2 | -191722 |
| 6modern | 83 | Nunez, Leonardo (1708) | Won 2-0 | +181740 |
| 7modern | 163 | Madsen, Michael (1624) | Lost 0-2 | -201720 |
| 8modern | 308 | Williams, Caleb (1511) | Won 2-1 | +141734 |
| 9modern | 5155 | Aktas, Caner (1771) | Draw 1-1 | +11735 |
| 10modern | 5146 | Cobb, Axel (1578) | Lost 1-2 | -211714 |
| 11modern | 5174 | Teniente, Alex (1583) | Won 2-0 | +151729 |
| 12modern | 5134 | Padilla, Isaiah (1575) | Won 2-1 | +161745 |
| 13modern | 5097 | Hempel, Cody (1614) | Lost 0-2 | -211724 |
| 14modern | 5120 | Go, Calvin (1573) | Won 2-1 | +151739 |
| 15modern | 5089 | Smith, Patrick (1510) | Won 2-0 | +141753 |
| top | average opponent: 1610record: 10-4-1 | new rating: 1753 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 273 | Marts, Logan (1500) | Lost 0-2 | -201631 |
| 2modern | 414 | Welp, Jake (1510) | Won 2-0 | +151646 |
| 3modern | 379 | Alison, Peter (1602) | Won 2-1 | +181664 |
| 4modern | 238 | Popescu, Adrian (1470) | Won 2-1 | +141678 |
| 5modern | 252 | Phillips, Cedric (1803) | Lost 0-2 | -161662 |
| 6modern | 312 | Abel, Gary (1707) | Lost 0-2 | -171645 |
| 7modern | 320 | Valentino, Jayme (1471) | Won 2-0 | +151660 |
| 8modern | 255 | Lovold, Richard (1523) | Won 2-1 | +161676 |
| top | average opponent: 1573record: 5-3 | new rating: 1676 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 424 | Buck, Jake (1500) | Lost 1-2 | -211637 |
| 2standard | 543 | Wall, Matt (1475) | Won 2-1 | +151652 |
| 3standard | 378 | Henderson, Matthew (1482) | Lost 0-2 | -211631 |
| 4standard | 522 | Weinmann, Chris (1481) | Won 2-0 | +151646 |
| 5standard | 387 | Miller, Trent (1503) | Lost 1-2 | -211625 |
| 6standard | 627 | Campbell, Brian (1505) | Won 2-1 | +161641 |
| 7standard | 399 | Smith, Brad (1500) | Won 2-1 | +161657 |
| 8standard | 359 | May, Daniel (1508) | Won 2-1 | +151672 |
| 9standard | 292 | Farnsworth, Paul (1528) | Lost 0-2 | -211651 |
| top | average opponent: 1498record: 5-4 | new rating: 1651 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1670 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 477 | Kemp, Taylor (1482) | Lost 0-2 | -221648 |
| 4modern | 361 | Nonaka, Keenan (1586) | Lost 1-2 | -191629 |
| 5modern | 802 | Marling, Alan (1721) | Won 2-0 | +201649 |
| 6modern | 634 | Brouillet, Daniel (1625) | Lost 1-2 | -191630 |
| 7modern | 518 | Lee, Michelle (1628) | Won 2-1 | +181648 |
| 8modern | 543 | Duggan, Matthew [USA] (1696) | Won 2-0 | +191667 |
| 9modern | 357 | Lichtblau, Daniel (1507) | Won 2-0 | +151682 |
| 10modern | 250 | Riley, Jacob (1510) | Won 2-0 | +151697 |
| 11modern | 173 | Ho, Chad (1549) | Won 2-0 | +161713 |
| 12modern | 96 | Liu, Richard (1627) | Lost 1-2 | -201693 |
| 13modern | 182 | Kerwitz, Eugene (1586) | Lost 1-2 | -201673 |
| 14modern | 197 | Brumby, Gene (1814) | Lost 0-2 | -151658 |
| top | average opponent: 1611record: 6-6 | new rating: 1658 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 175 | Hunt, Bronson (1500) | Won 2-1 | +161646 |
| 2sealed | 172 | Dubach, Jon (1516) | Won 2-1 | +151661 |
| 3sealed | 127 | Gerhardt, Scott (1744) | Lost 1-2 | -161645 |
| 4sealed | 134 | Painter, Jameson (1715) | Lost 1-2 | -171628 |
| 5sealed | 324 | Halbert, Jordan (1480) | Won 2-1 | +151643 |
| 6sealed | 251 | Fields, Frank (1434) | Lost 1-2 | -211622 |
| 7sealed | 209 | Pickett, Zachary (1512) | Won 2-0 | +161638 |
| 8sealed | 197 | Gardner, Jared (1446) | Won 2-0 | +141652 |
| 9sealed | 130 | Summerlin, Aubrey (1626) | Won 2-1 | +181670 |
| top | average opponent: 1553record: 6-3 | new rating: 1670 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 159 | Gogol, Billy (1599) | Won 2-1 | +201544 |
| 4standard | 36 | Stern, Jon (1887) | Lost 1-2 | -121532 |
| 5standard | 157 | Estrada, Alex (1534) | Won 2-0 | +181550 |
| 6standard | 186 | Cruz, Jesse (1509) | Won 2-0 | +171567 |
| 7standard | 89 | Pearce, Seth (1553) | Won 2-0 | +181585 |
| 8standard | 54 | Chavez, Vinnie (1594) | Won 2-0 | +181603 |
| 9standard | 30 | Ryan, Matthew (1613) | Won 2-0 | +181621 |
| 10standard | 9 | Oliver, Neal (1891) | Draw 1-1 | +51626 |
| 11standard | 14 | Sterbenz, Ryan (1606) | Draw 1-1 | 01626 |
| 12standard | 32 | Rednour, Loren (1634) | Won 2-0 | +181644 |
| 13standard | 19 | Ascalon, Jason (1771) | Lost 0-2 | -161628 |
| 14standard | 35 | Sanchez, Jeremy (1582) | Won 2-1 | +171645 |
| 15standard | 23 | Johnson-Epstein, Jasper (1802) | Lost 0-2 | -151630 |
| top | average opponent: 1660record: 8-3-2 | new rating: 1630 | ||
| Grand Prix San Diego 2013 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 58 | Lunch, Benjamin (1500) | Won 2-0 | +181485 |
| 2modern | 11 | Terra, Hugo (1666) | Won 2-0 | +221507 |
| 3modern | 25 | Chen, Kevin K (1569) | Lost 0-2 | -171490 |
| 4modern | 172 | Kalbus, Kurt (1407) | Lost 1-2 | -201470 |
| 5modern | 269 | Foote, Johnathan (1501) | Won 2-0 | +191489 |
| 6modern | 144 | Topp, Jordan (1489) | Won 2-0 | +181507 |
| 7modern | 139 | Gulevich, Jason (1498) | Won 2-1 | +181525 |
| 8modern | 73 | Rodrigues, Dante (1525) | Won 2-1 | +181543 |
| 9modern | 40 | Tolmachoff, Dean (1528) | Lost 1-2 | -191524 |
| top | average opponent: 1520record: 6-3 | new rating: 1524 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 155 | Kassari, John (1504) | Lost 0-2 | -181482 |
| 5standard | 140 | Thompson, Lowell (1484) | Lost 1-2 | -181464 |
| 6standard | 187 | Lutzi, Brenden (1485) | Lost 0-2 | -181446 |
| 7standard | 289 | Wilkerson, Joseph (1466) | Won 2-0 | +191465 |
| 8standard | 194 | DeVito, Hunter S (1499) | Lost 0-2 | -181447 |
| 9standard | 194 | Graham, Brent (1515) | Won 2-0 | +201467 |
| top | average opponent: 1492record: 2-4 | new rating: 1467 | ||