Ichikawa, Shoichi
Current rating: 1625
Record: 29-20
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1663 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 128 | Nakahara, Yusuke (1568) | Lost 1-2 | -201643 |
| 3pioneer | 715 | Miyawaki, Yusuke (1530) | Lost 1-2 | -201623 |
| 4pioneer | 749 | Ishikawa, Reiji (1457) | Won 2-1 | +151638 |
| 5pioneer | 594 | Kondo, Masahiro 8757 (1529) | Lost 1-2 | -201618 |
| 6pioneer | 622 | Nakano, Makoto (1318) | Won 2-1 | +131631 |
| 7pioneer | 455 | Shibayama, Takuya (1509) | Won 2-0 | +161647 |
| 8pioneer | 345 | Hayamizu, Akira (1418) | Lost 1-2 | -221625 |
| top | average opponent: 1476record: 3-4 | new rating: 1625 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 114 | Minagawa, Sho (1496) | Won 2-0 | +161616 |
| 3sealed | 6 | Narita, Chisato (1586) | Lost 0-2 | -191597 |
| 4sealed | 370 | Shiina, Kento (1374) | Won 2-0 | +141611 |
| 5sealed | 334 | Sakuma, Takamichi (1416) | Won 2-0 | +151626 |
| 6sealed | 135 | Banba, Taiki (1655) | Won 2-0 | +181644 |
| 7sealed | 122 | Kokubu, Yusuke (1716) | Lost 1-2 | -171627 |
| 8sealed | 208 | Hamasaki, Masayuki (1576) | Won 2-1 | +181645 |
| 9sealed | 153 | Fukuda, Tatsuya (1627) | Won 2-0 | +171662 |
| 10draft | 80 | Matsuda, Yukio (1845) | Lost 0-2 | -151647 |
| 11draft | 74 | Mizuno, Masahito (1508) | Won 2-1 | +161663 |
| 12draft | 74 | Chino, Takayuki (1586) | Won 2-0 | +171680 |
| 13draft | 20 | Yasuda, Seita (1759) | Won 2-1 | +191699 |
| 14draft | 97 | Sasaki, Kensuke (1682) | Lost 1-2 | -181681 |
| 15draft | 152 | Matsui, Hisataka (1693) | Lost 1-2 | -181663 |
| top | average opponent: 1608record: 9-5 | new rating: 1663 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 756 | Nishibayashi, Osamu (1500) | Lost 0-2 | -201589 |
| 2modern | 691 | Yamazaki, Shigeru (1543) | Won 2-1 | +181607 |
| 3modern | 988 | Neki, Daisuke (1434) | Won 2-1 | +141621 |
| 4modern | 780 | Togo, Takahiro (1524) | Won 2-1 | +171638 |
| 5modern | 438 | Motooka, Takahiro (1635) | Won 2-1 | +181656 |
| 6modern | 232 | Maenosono, Kenta (1633) | Lost 0-2 | -191637 |
| 7modern | 277 | Poon, Tsz Sum (1541) | Lost 1-2 | -201617 |
| 8modern | 411 | Takemoto, Hikaru (1623) | Lost 0-2 | -171600 |
| top | average opponent: 1554record: 4-4 | new rating: 1600 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1637 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 236 | Yoshioka, Kousuke (1450) | Lost 1-2 | -211616 |
| 4standard | 435 | Nishiyama, Takashi (1494) | Lost 0-2 | -211595 |
| 5standard | 669 | Sakamoto, Masaaki (1506) | Lost 0-2 | -191576 |
| 6standard | 835 | Kawaguchi, Muneyoshi (1333) | Won 2-0 | +131589 |
| 7standard | 623 | Okada, Wataru (1698) | Won 2-1 | +201609 |
| top | average opponent: 1496record: 2-3 | new rating: 1609 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 92 | Yoshihara, Shinji (1423) | Lost 0-2 | -191481 |
| 2sealed | 837 | Takahashi, Kazuya (1594) | Won 2-1 | +201501 |
| 3sealed | 608 | Shishikura, Masahiro (1464) | Won 2-0 | +171518 |
| 4sealed | 494 | Okada, Masakazu (1566) | Won 2-0 | +191537 |
| 5sealed | 430 | Mizui, Tomoyuki (1501) | Won 2-0 | +171554 |
| 6sealed | 213 | Nakanishi, Kota (1420) | Won 2-1 | +161570 |
| 7sealed | 144 | Yanagawa, Yuuki (1525) | Won 2-0 | +171587 |
| 8sealed | 95 | Kashima, Yuuki (1593) | Won 2-1 | +181605 |
| 9sealed | 42 | Higuchi, Akashi (1639) | Won 2-0 | +191624 |
| 10draft | 550 | Shoji, Tatsuro (1744) | Lost 0-2 | -161608 |
| 11draft | 549 | Fukuki, Akito (1726) | Won 2-0 | +201628 |
| 12draft | 550 | Miyagishi, Kohei (1618) | Won 2-0 | +181646 |
| 13draft | 549 | Yoshida, Kazushi (1872) | Lost 1-2 | -141632 |
| 14draft | 681 | Kusakabe, Shuichi (1787) | Won 2-0 | +211653 |
| 15draft | 653 | Takeuchi, Ataru (1777) | Lost 1-2 | -161637 |
| top | average opponent: 1617record: 11-4 | new rating: 1637 | ||