Jackel, Stephen
Current rating: 1610
Record: 59-53-2
| Grand Prix Calgary 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 343 | Sedgewick, Mark (1500) | Lost 1-2 | -181482 |
| 2modern | 299 | Sipley, Richard (1448) | Won 2-1 | +171499 |
| 3modern | 335 | Olyan, Andrew (1462) | Won 2-0 | +181517 |
| 4modern | 204 | Mayer, Bernie (1520) | Won 2-0 | +181535 |
| 5modern | 157 | Blum, Tyler (1820) | Won 2-1 | +231558 |
| 6modern | 71 | Daved, Justin (1558) | Won 2-0 | +181576 |
| 7modern | 13 | Dhaliwal, Shawn (1956) | Lost 0-2 | -121564 |
| 8modern | 50 | Tsang, Charles (1507) | Won 2-0 | +171581 |
| 9modern | 50 | Keiver, Eric (1583) | Won 2-0 | +181599 |
| 10modern | 22 | Smith, Chris [CAN] (1846) | Lost 1-2 | -131586 |
| 11modern | 44 | Tierney, Patrick (1817) | Won 2-1 | +221608 |
| 12modern | 39 | Turchansky, Zak (1728) | Won 2-1 | +201628 |
| 13modern | 29 | Webber, Spencer (1613) | Lost 1-2 | -181610 |
| 14modern | 24 | Zhu, Adrian (1599) | Won 2-1 | +181628 |
| 15modern | 30 | Listoe, Levi (1643) | Lost 1-2 | -181610 |
| top | average opponent: 1640record: 10-5 | new rating: 1610 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 393 | Kitamura, Takuya (1496) | Won 2-1 | +171527 |
| 3standard | 575 | Matsumoto, Yuki2978 (1929) | Lost 0-2 | -111516 |
| 4standard | 738 | Kiyonaga, Sho (1592) | Lost 0-2 | -161500 |
| 5standard | 744 | Yamaoka, Nobuyuki (1535) | Won 2-0 | +181518 |
| 6standard | 809 | Ohno, Isao (1690) | Lost 0-2 | -151503 |
| 7standard | 716 | Hamaguchi, Shoji (1420) | Lost 1-2 | -191484 |
| 8standard | 885 | Yamamoto, Kohei (1376) | Won 2-0 | +161500 |
| top | average opponent: 1577record: 3-4 | new rating: 1500 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 197 | Yu, Hans Gregory (1536) | Lost 0-2 | -191553 |
| 3legacy | 829 | Kato, Ryuta (1628) | Draw 1-1 | +21555 |
| 4legacy | 806 | Jifuku, Takero (1499) | Won 2-1 | +171572 |
| 5legacy | 551 | Koseki, Kouta9098 (1483) | Lost 0-2 | -201552 |
| 6legacy | 741 | Mizutani, Yoshinobu (1401) | Won 2-1 | +151567 |
| 7legacy | 557 | Takiguchi, Itsuki (1472) | Lost 0-2 | -191548 |
| 8legacy | 692 | Takahashi, Masato (1480) | Lost 0-2 | -201528 |
| 9legacy | 680 | Nagumo, Hiroyuki (1486) | Lost 1-2 | -181510 |
| top | average opponent: 1498record: 2-5-1 | new rating: 1510 | ||
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 180 | Crasto, Dirk (1605) | Won 2-1 | +191582 |
| 3sealed | 86 | Litton, Jayson (1681) | Won 2-0 | +201602 |
| 4sealed | 137 | Yaocheng, Mark (1646) | Won 2-1 | +191621 |
| 5sealed | 30 | Atkins, Sam (1605) | Lost 0-2 | -191602 |
| 6sealed | 85 | Gueler Berdasco, Fernando (1688) | Won 2-0 | +201622 |
| 7sealed | 76 | Duke, Reid (2045) | Lost 0-2 | -111611 |
| 8sealed | 69 | Larsen-Scott, James (1485) | Lost 0-2 | -201591 |
| 9sealed | 141 | Wyllie, Timothy (1541) | Lost 1-2 | -191572 |
| top | average opponent: 1662record: 4-4 | new rating: 1572 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 408 | Mukai, Shinichi (1386) | Won 2-0 | +161530 |
| 2standard | 194 | Serizawa, Yuuki (1523) | Won 2-1 | +181548 |
| 3standard | 533 | Kojima, Youichiro (1506) | Won 2-0 | +171565 |
| 4standard | 40 | Higaki, Takao (1898) | Lost 1-2 | -121553 |
| 5standard | 419 | Maruya, Takashi (1437) | Lost 1-2 | -201533 |
| 6standard | 683 | Funayama, Hiroyoshi (1518) | Won 2-0 | +181551 |
| 7standard | 658 | Kasama, Junichi (1443) | Won 2-1 | +161567 |
| 8standard | 291 | Hayakawa, Sho (1517) | Lost 1-2 | -191548 |
| 9standard | 431 | Ogawara, Youhei (1511) | Won 2-1 | +171565 |
| 10standard | 289 | Mutou, Yoshinosuke (1578) | Won 2-0 | +181583 |
| 11standard | 294 | Watanabe, Ryoji (1526) | Won 2-1 | +171600 |
| 12standard | 185 | Nakanishi, Yutaka (1559) | Lost 1-2 | -181582 |
| 13standard | 169 | Gutesa, David (1574) | Lost 0-2 | -191563 |
| 14standard | 233 | Ando, Eriko (1559) | Lost 1-2 | -181545 |
| 15standard | 251 | Yasuda, Takaaki (1537) | Won 2-1 | +181563 |
| top | average opponent: 1538record: 9-6 | new rating: 1563 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 351 | Yamada, Shuusuke (1527) | Won 2-1 | +171557 |
| 2sealed | 49 | Fuzita, Syunsuke (1516) | Lost 0-2 | -181539 |
| 3sealed | 1006 | Kushima, Shuhei (1467) | Lost 0-2 | -201519 |
| 4sealed | 1076 | Hirooka, Toshiki (1515) | Won 2-0 | +181537 |
| 5sealed | 693 | Kawada, Hiroyuki (1394) | Won 2-1 | +161553 |
| 6sealed | 464 | Okuda, Masateru (1458) | Lost 1-2 | -201533 |
| 7sealed | 760 | Murakami, Yuuichi (1503) | Lost 1-2 | -191514 |
| top | average opponent: 1483record: 3-4 | new rating: 1514 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 341 | Nakayama, Munetoshi (1452) | Won 2-0 | +161589 |
| 2standard | 118 | Tanaka, Kozue (1511) | Lost 0-2 | -191570 |
| 3standard | 932 | Yamakawa, Hiroaki (1433) | Won 2-0 | +151585 |
| 4standard | 779 | Itou, Hayato7608 (1577) | Lost 1-2 | -181567 |
| 5standard | 924 | Banno, Fumiya (1489) | Lost 0-2 | -191548 |
| 6standard | 793 | Aoki, Yutaka (1461) | Lost 1-2 | -201528 |
| 7standard | 762 | Tanimoto, Naoya (1462) | Won 2-0 | +171545 |
| 8standard | 605 | Kusakawa, Naoto (1369) | Lost 1-2 | -211524 |
| 9standard | 527 | Kawa, Hirokazu (1405) | Won 2-0 | +161540 |
| top | average opponent: 1462record: 4-5 | new rating: 1540 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 457 | Yamaji, Shunichi (1570) | Lost 0-2 | -171503 |
| 2sealed | 394 | Takashima, Nozomu (1464) | Won 2-0 | +171520 |
| 3sealed | 405 | Komiyama, Hideki (1680) | Won 2-1 | +211541 |
| 4sealed | 299 | Murase, Takahiro (1464) | Lost 1-2 | -201521 |
| 5sealed | 406 | Mizukoshi, Hideyuki (1480) | Won 2-0 | +181539 |
| 6sealed | 243 | Suzuki, Akira3942 (1495) | Won 2-0 | +171556 |
| 7sealed | 156 | Matsumoto, Nozomu (1556) | Won 2-0 | +181574 |
| 8sealed | 93 | Komachi, Akinori (1540) | Won 2-1 | +171591 |
| 9sealed | 45 | Shimizu, Ryouta (1597) | Lost 1-2 | -181573 |
| top | average opponent: 1538record: 6-3 | new rating: 1573 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 842 | Kawakami, Kazuto (1822) | Won 2-0 | +231560 |
| 2legacy | 583 | Korenaga, Shingo (1528) | Won 2-0 | +181578 |
| 3legacy | 548 | Okada, Wataru (1632) | Lost 1-2 | -171561 |
| 4legacy | 768 | Nakayama, Soichiro (1516) | Lost 1-2 | -191542 |
| 5legacy | 820 | Takahashi, Kenta (1460) | Won 2-1 | +161558 |
| 6legacy | 720 | Kan, Masanori (1519) | Lost 1-2 | -181540 |
| 7legacy | 718 | Takagi, Hideto (1498) | Won 2-1 | +171557 |
| 8legacy | 705 | Ishiguro, Satoshi (1531) | Lost 0-2 | -191538 |
| 9legacy | 672 | Oohara, Masahumi (1504) | Lost 0-2 | -181520 |
| top | average opponent: 1557record: 4-5 | new rating: 1520 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 772 | Yamada, Takatoshi (1500) | Lost 0-2 | -181459 |
| 2sealed | 945 | Nozawa, Tomoki (1535) | Won 2-1 | +201479 |
| 3sealed | 973 | Endou, Hideaki (1525) | Lost 0-2 | -171462 |
| 4sealed | 1050 | Iwasa, Kouhei (1482) | Won 2-0 | +181480 |
| 5sealed | 959 | Satou, Masaya (1525) | Won 2-1 | +191499 |
| 6sealed | 776 | Ayakawa, Hiromichi (1501) | Lost 1-2 | -181481 |
| 7sealed | 855 | Radil, Daniel (1479) | Won 2-1 | +181499 |
| 8sealed | 799 | Kawai, Hiroki1988 (1615) | Won 2-0 | +201519 |
| 9sealed | 717 | Higaki, Motohide (1534) | Won 2-1 | +181537 |
| top | average opponent: 1522record: 6-3 | new rating: 1537 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 25 | Yuasa, Daisuke (1516) | Lost 1-2 | -191518 |
| 2modern | 352 | Kimura, Kakeru (1481) | Won 2-1 | +181536 |
| 3modern | 310 | Hisamoto, Takashi (1531) | Lost 0-2 | -191517 |
| 4modern | 451 | Nisio, Tomoyasu (1486) | Lost 1-2 | -181499 |
| 5modern | 468 | Kuroyanagi, Hirohito (1407) | Won 2-0 | +161515 |
| 6modern | 446 | Nakamura, Shinichiro (1464) | Lost 1-2 | -191496 |
| 7modern | 394 | Fujita, Gensho (1552) | Lost 1-2 | -171479 |
| 8modern | 328 | Yamada, Yosuke (1407) | Lost 0-2 | -191460 |
| 9modern | 295 | Niki, Teruhiko (1406) | Won 2-0 | +171477 |
| top | average opponent: 1472record: 3-6 | new rating: 1477 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Beg, Hollie (1449) | Won 2-0 | +171517 |
| 2sealed | 145 | Nyhof, Dag (1523) | Won 2-1 | +181535 |
| 3sealed | 66 | Lee, Mon (1710) | Lost 1-2 | -151520 |
| 4sealed | 184 | Rossine, Paulo (1462) | Draw 1-1 | -11519 |
| 5sealed | 182 | Sarker, Minhazur (1536) | Lost 1-2 | -171502 |
| 6sealed | 248 | Bieker, Lisa (1500) | Won 2-0 | +181520 |
| 7sealed | 184 | Ramos, Zach (1518) | Won 2-1 | +181538 |
| 8sealed | 127 | Hayward, Connor (1502) | Won 2-0 | +171555 |
| 9sealed | 88 | Campbell, Michael (1539) | Lost 0-2 | -181537 |
| top | average opponent: 1526record: 5-3-1 | new rating: 1537 | ||