Tazawa, Takatoshi
Current rating: 1396
Record: 32-43-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 281 | Rita, Takayuki (1583) | Lost 0-2 | -151383 |
| 3pioneer | 651 | Miyamoto, Keisuke (1609) | Lost 0-2 | -141369 |
| 4pioneer | 695 | Nishiyama, Masaaki (1486) | Lost 1-2 | -161353 |
| 5pioneer | 684 | Matsuda, Tomoya (1419) | Lost 0-2 | -171336 |
| 6pioneer | 646 | Ogino, Kota (1448) | Won 2-1 | +201356 |
| 7pioneer | 497 | Fujihira, Kohei (1649) | Won 2-1 | +231379 |
| 8pioneer | 387 | Saito, Tomoe (1323) | Won 2-0 | +171396 |
| top | average opponent: 1502record: 3-4 | new rating: 1396 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1362 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 94 | Saito, Taku (1518) | Lost 0-1 | -161346 |
| 3standard | 719 | Kobayashi, Akira (1500) | Won 2-1 | +211367 |
| 4standard | 262 | Moon, Seunghwan (1515) | Won 2-1 | +211388 |
| 5standard | 237 | Wu, Yufan (1539) | Won 2-1 | +211409 |
| 6standard | 187 | Kubota, Koki (1511) | Won 2-1 | +201429 |
| 7standard | 141 | Nakayama, Munetoshi (1491) | Lost 1-2 | -171412 |
| 8standard | 190 | Yuzo Sumiyoshi, Ivan (1624) | Lost 1-2 | -141398 |
| top | average opponent: 1528record: 4-3 | new rating: 1398 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1353 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 417 | Oginuma, Kiichi (1572) | Won 2-1 | +221375 |
| 3sealed | 425 | Hagiwara, Genta (1933) | Won 2-1 | +281403 |
| 4sealed | 171 | Nakashima, Shunichi (1726) | Lost 0-2 | -131390 |
| 5sealed | 201 | Shinhama, Takahiko (1552) | Lost 0-2 | -151375 |
| 6sealed | 351 | Iiri, Takahiro (1511) | Lost 0-2 | -151360 |
| 7sealed | 577 | Kawaharada, Kosaku (1396) | Won 2-0 | +181378 |
| 8sealed | 377 | Otsu, Shuhei (1454) | Lost 1-2 | -161362 |
| top | average opponent: 1592record: 3-4 | new rating: 1362 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 316 | Wang, Chung Che (1519) | Won 2-1 | +201437 |
| 2standard | 338 | Nagase, Hirofumi (1322) | Lost 1-2 | -201417 |
| 3standard | 584 | Ikeda, Toshihisa (1507) | Won 2-1 | +201437 |
| 4standard | 290 | Honjo, Kiyotaka (1283) | Lost 1-2 | -211416 |
| 5standard | 513 | Takahashi, Naoya 0838 (1473) | Lost 1-2 | -171399 |
| 6standard | 723 | Kazutoshi, Tsuda (1486) | Lost 1-2 | -171382 |
| 7standard | 640 | Noguchi, Takeshi (1448) | Lost 1-2 | -161366 |
| 8standard | 567 | Usui, Haruki (1692) | Lost 0-2 | -131353 |
| top | average opponent: 1466record: 2-6 | new rating: 1353 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 539 | Kyobashi, Naoki (1500) | Lost 0-2 | -171427 |
| 2standard | 867 | Ishikawa, Kenya (1486) | Won 2-1 | +191446 |
| 3standard | 707 | Iwasaki, Takashi (1555) | Won 2-1 | +201466 |
| 4standard | 478 | Takino, Shohei (1517) | Lost 0-2 | -171449 |
| 5standard | 716 | Naito, Yuuki (1347) | Lost 1-2 | -201429 |
| 6standard | 786 | Weiser, Daniel (1805) | Lost 1-2 | -111418 |
| 7standard | 782 | Kageyama, Taiki (1397) | Won 2-1 | +181436 |
| 8standard | 638 | Monna, Takaaki (1416) | Lost 0-2 | -191417 |
| top | average opponent: 1503record: 3-5 | new rating: 1417 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 126 | Hirano, Hikari (1500) | Won 2-0 | +191457 |
| 2legacy | 332 | Ota, Kyosuke (1476) | Lost 0-2 | -171440 |
| 3legacy | 333 | Kobayashi, Yuuma (1507) | Won 2-0 | +191459 |
| 4legacy | 243 | Konda, Tsuyoshi (1541) | Lost 1-2 | -171442 |
| 5legacy | 314 | Seta, Mitsuru (1506) | Won 2-0 | +201462 |
| 6legacy | 242 | Tsuchiya, Yoshihiro (1411) | Lost 1-2 | -191443 |
| 7legacy | 305 | Omi, Tatsuya (1484) | Lost 0-2 | -181425 |
| 8legacy | 364 | Miyaguchi, Hiroki (1477) | Won 2-1 | +191444 |
| top | average opponent: 1488record: 4-4 | new rating: 1444 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 475 | Shimizu, Toshiki (1860) | Lost 1-2 | -111448 |
| 2sealed | 633 | Ito, Kenta (1454) | Won 2-0 | +181466 |
| 3sealed | 886 | Itou, Takanori (1612) | Lost 1-2 | -151451 |
| 4sealed | 1058 | Saitou, Kazuya (1539) | Lost 0-2 | -171434 |
| 5sealed | 961 | Nishimoto, Takuya (1626) | Lost 1-2 | -141420 |
| 6sealed | 874 | Ohara, Wataru (1453) | Won 2-0 | +181438 |
| 7sealed | 701 | Maeda, Ryo (1418) | Won 2-1 | +181456 |
| 8sealed | 515 | Sugiyama, Nobukatsu (1469) | Lost 1-2 | -181438 |
| top | average opponent: 1554record: 3-5 | new rating: 1438 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 183 | Tanaka, Kimitaka (1750) | Lost 0-2 | -141519 |
| 2sealed | 733 | Matsumura, Hideaki (1441) | Lost 1-2 | -201499 |
| 3sealed | 1066 | Yasuda, Kanji (1461) | Lost 0-2 | -191480 |
| 4sealed | 1109 | Ono, Shoichi (1566) | Lost 0-2 | -161464 |
| 5sealed | 1082 | Sugimoto, Renn (1364) | Lost 1-2 | -201444 |
| 6sealed | 1011 | Liu, Haoyu (1395) | Won 2-0 | +171461 |
| 7sealed | 902 | Hori, Takeshi (1405) | Won 2-0 | +171478 |
| 8sealed | 795 | Sakai, Shigeto (1408) | Lost 1-2 | -191459 |
| top | average opponent: 1474record: 2-6 | new rating: 1459 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 157 | Kinoshita, Atsushi (1462) | Lost 0-2 | -191481 |
| 2sealed | 773 | Masuda, Yuri (1423) | Won 2-1 | +171498 |
| 3sealed | 982 | Ueki, Junichi (1478) | Won 2-1 | +181516 |
| 4sealed | 694 | Tamai, Hideaki (1559) | Lost 0-2 | -171499 |
| 5sealed | 789 | Yoshihara, Tomoki (1674) | Won 2-0 | +211520 |
| 6sealed | 669 | Shoji, Kenta (1520) | Won 2-0 | +181538 |
| 7sealed | 351 | Fujiwara, Ryoji (1434) | Won 2-1 | +161554 |
| 8sealed | 224 | Horibe, Satoshi (1480) | Draw 1-1 | -11553 |
| 9sealed | 268 | Shinzato, Kazuaki (1569) | Won 2-0 | +181571 |
| 10draft | 359 | Yamada, Masataka (1542) | Won 2-1 | +171588 |
| 11draft | 342 | Nakano, Kenta (1590) | Lost 1-2 | -181570 |
| 12draft | 270 | Horibe, Satoshi (1503) | Lost 0-2 | -191551 |
| 13draft | 143 | Kawaguchi, Tetsuo (1520) | Lost 1-2 | -181533 |
| 14draft | 123 | Yamada, Masataka (1506) | Won 2-1 | +171550 |
| 15draft | 103 | Kanda, Aoi (1581) | Lost 1-2 | -171533 |
| top | average opponent: 1523record: 8-6-1 | new rating: 1533 | ||