Ito, Wataru
Current rating: 1553
Record: 37-37-2
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Kurosawa, Kazuhito (1500) | Won 2-0 | +181551 |
| 2sealed | 391 | Oh, Young Seok (1671) | Lost 1-2 | -161535 |
| 3sealed | 865 | Yamaguchi, Nozomu (1432) | Lost 1-2 | -201515 |
| 4sealed | 982 | Ishikura, Nobuyuki (1602) | Won 2-0 | +201535 |
| 5sealed | 613 | Watanabe, Seiichiro (1503) | Won 2-0 | +171552 |
| 6sealed | 598 | Sekiya, Hiroshi (1387) | Won 2-1 | +151567 |
| 7sealed | 299 | Mashima, Mitsuharu (1776) | Lost 0-2 | -141553 |
| top | average opponent: 1553record: 4-3 | new rating: 1553 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 635 | Ishikawa, Naoki (1399) | Lost 0-2 | -211533 |
| top | record: 0-1 | new rating: 1533 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 560 | Koyanagi, Takashi (1614) | Won 2-1 | +191591 |
| 2sealed | 7 | Inoue, Hiroyuki8845 (1547) | Lost 0-2 | -191572 |
| 3sealed | 833 | Katayama, Satoru (1501) | Won 2-1 | +171589 |
| 4sealed | 566 | Takeda, Harunobu (1744) | Lost 0-2 | -151574 |
| 5sealed | 656 | Choi, Jaekyoo (1499) | Lost 1-2 | -201554 |
| top | average opponent: 1581record: 2-3 | new rating: 1554 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 125 | Sato, Jyun (1500) | Won 2-0 | +171572 |
| 4standard | 47 | Shinohara, Kazuaki (1574) | Lost 0-2 | -181554 |
| 5standard | 96 | Hasegawa, Shun-ya (1503) | Won 2-1 | +171571 |
| 6standard | 175 | Ooneda, Yoshihiro (1627) | Lost 0-2 | -171554 |
| 7standard | 227 | Okami, Motoyosi (1501) | Won 2-1 | +171571 |
| 8standard | 93 | Kageyama, Hiroki (1506) | Lost 0-2 | -191552 |
| 9standard | 132 | Harano, Takahiro (1695) | Won 2-0 | +201572 |
| top | average opponent: 1558record: 4-3 | new rating: 1572 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 948 | Lee, Nam Hyoung (1441) | Won 2-0 | +171492 |
| 2sealed | 763 | Horibe, Yoshifumi (1519) | Draw 1-1 | +11493 |
| 3sealed | 840 | Murakami, Kazuya3837 (1633) | Won 2-0 | +201513 |
| 4sealed | 778 | Kouchi, Shuugo (1534) | Won 1-0 | +191532 |
| 5sealed | 715 | Muranaka, Hiroya (1644) | Draw 1-1 | +21534 |
| 6sealed | 794 | Itou, Shougo (1695) | Won 2-0 | +211555 |
| 7sealed | 737 | Syouta, Takeya (1555) | Won 2-0 | +181573 |
| 8sealed | 877 | Nakazono, Kouya (1570) | Lost 0-2 | -181555 |
| top | average opponent: 1574record: 5-1-2 | new rating: 1555 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 400 | Uematsu, Ryou (1500) | Won 2-1 | +181512 |
| 2standard | 280 | Uchida, Ryouta (1518) | Won 2-1 | +181530 |
| 3standard | 10 | Nakamura, Shinichiro (1500) | Lost 0-2 | -181512 |
| 4standard | 349 | Kiyonaga, Sho (1448) | Lost 0-2 | -191493 |
| 5standard | 594 | Yanase, Kaname (1499) | Lost 1-2 | -181475 |
| top | average opponent: 1493record: 2-3 | new rating: 1475 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 194 | Kuramochi, Atsushi (1462) | Won 2-1 | +181486 |
| 2standard | 135 | Tagawa, Takashi (1524) | Lost 0-2 | -171469 |
| 3standard | 275 | Kaminaka, Takahiro (1588) | Won 2-0 | +201489 |
| 4standard | 223 | Naka, Yoshihiro (1583) | Won 2-1 | +201509 |
| 5standard | 148 | Huang, Hao-Shan (1706) | Lost 1-2 | -151494 |
| 6standard | 151 | Hayashi, Masashi (1444) | Won 2-1 | +171511 |
| 7standard | 110 | Yamada, Yasushi (1556) | Lost 1-2 | -171494 |
| top | average opponent: 1552record: 4-3 | new rating: 1494 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 439 | Shiba, Naoto (1500) | Won 2-1 | +181500 |
| 2extended | 20 | Ikeda, Kazuki (1518) | Lost 0-2 | -171483 |
| 3extended | 313 | Inamura, Sachio (1500) | Lost 0-2 | -181465 |
| 4extended | 435 | Mori, Takahiro (1483) | Won 2-1 | +181483 |
| 5extended | 337 | Nakamura, Yusuke (1655) | Lost 0-2 | -151468 |
| top | average opponent: 1531record: 2-3 | new rating: 1468 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 125 | Sugimura, Yoshiyasu (1481) | Lost 1-2 | -181475 |
| 2extended | 173 | Ohno, Isao (1611) | Lost 1-2 | -161459 |
| 3extended | 221 | Ito, Shinichi (1562) | Won 2-0 | +201479 |
| 4extended | 179 | Iwasaki, Akira (1491) | Won 2-1 | +181497 |
| 5extended | 198 | Kudo, Koichi (1645) | Lost 1-2 | -151482 |
| top | average opponent: 1558record: 2-3 | new rating: 1482 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 103 | Suzuki, Ryuuichi (1370) | Won 2-0 | +161487 |
| 2block | 135 | Saito, Takaya (1621) | Lost 0-2 | -151472 |
| 3block | 240 | Toochika, Takayuki (1588) | Lost 0-2 | -161456 |
| 4block | 285 | Oota, Yuuji (1538) | Won 2-0 | +191475 |
| 5block | 254 | Kobashi, Motoki (1515) | Won 2-1 | +191494 |
| 6block | 165 | Ehara, Tsukasa (1525) | Won 2-1 | +181512 |
| 7block | 126 | Okuda, Masateru (1463) | Won 2-1 | +181530 |
| 8block | 52 | Saitou, Kazuya (1397) | Lost 1-2 | -211509 |
| 9block | 113 | Seki, Keita (1604) | Lost 1-2 | -161493 |
| top | average opponent: 1513record: 5-4 | new rating: 1493 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 175 | Shiga, Yuuta (1555) | Lost 0-2 | -161463 |
| 2standard | 276 | Furukawa, Ken'ichi (1668) | Won 2-0 | +221485 |
| 3standard | 139 | Shiroza, Shinichiro (1538) | Lost 0-2 | -171468 |
| 4standard | 289 | Yamamoto, Masaya (1481) | Won 2-0 | +181486 |
| 5standard | 205 | Iwama, Shingo (1518) | Won 2-1 | +181504 |
| 6standard | 222 | Yamashita, Hiroki (1629) | Lost 1-2 | -151489 |
| 7standard | 205 | Ootake, Masanori (1510) | Lost 0-2 | -181471 |
| top | average opponent: 1557record: 3-4 | new rating: 1471 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Kanamura, Hiroyuki (1500) | Lost 1-2 | -171429 |
| 2sealed | 99 | Mera, Kenichi (1465) | Won 2-0 | +191448 |
| 3sealed | 59 | Anazawa, Yoshikazu (1636) | Won 2-1 | +211469 |
| 4sealed | 76 | Kashima, Akihiro (1589) | Won 2-0 | +201489 |
| 5sealed | 65 | Ishii, Taisuke (1737) | Lost 0-2 | -131476 |
| 6sealed | 93 | Yamamoto, Kentaro (1695) | Won 2-1 | +221498 |
| 7sealed | 6 | Date, Hiroshi (1491) | Lost 0-2 | -191479 |
| top | average opponent: 1587record: 4-3 | new rating: 1479 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 271 | Yamasaki, Mitsunori (1500) | Lost 0-2 | -181482 |
| 2block | 568 | Seko, Masataka (1482) | Lost 0-2 | -181464 |
| 3block | 627 | Mochizuki, Kazuhiro (1465) | Lost 1-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||