Nonishi, Keiichiro
Current rating: 1675
Record: 37-27-2
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 32 | Matsubayashi, Masahiro (1527) | Won 2-1 | +161663 |
| 3sealed | 109 | Eura, Hiroki (1585) | Won 2-0 | +161679 |
| 4sealed | 49 | Kasai, Kouta (1620) | Won 2-0 | +171696 |
| 5sealed | 21 | Ino, Kentaro (1746) | Draw 1-1 | +11697 |
| 6sealed | 19 | Itou, Motoaki (1575) | Won 2-1 | +161713 |
| 7sealed | 11 | Shimura, Ichirou (1769) | Lost 0-2 | -171696 |
| 8sealed | 6 | Noguchi, Keita (1536) | Lost 1-2 | -211675 |
| top | average opponent: 1623record: 4-2-1 | new rating: 1675 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 40 | Shiozu, Ryouma (1819) | Lost 0-2 | -141582 |
| 3sealed | 169 | Shibasaki, Yoshihiro (1525) | Won 2-0 | +171599 |
| 4sealed | 83 | Tsubata, Masashi (1504) | Won 2-1 | +161615 |
| 5sealed | 54 | Yamahara, Toshihisa (1627) | Won 2-0 | +181633 |
| 6sealed | 19 | Kouno, Tomohiro (1542) | Lost 1-2 | -191614 |
| 7sealed | 83 | Hioki, Keisuke (1539) | Won 2-1 | +161630 |
| 8sealed | 146 | Takahashi, Keiji (1558) | Won 2-0 | +171647 |
| top | average opponent: 1588record: 5-2 | new rating: 1647 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 77 | Inoue, Takeshi (1498) | Won 2-0 | +171571 |
| 3sealed | 61 | Okamoto, Jin (1879) | Lost 0-2 | -131558 |
| 4sealed | 102 | Umeno, Kengo (1523) | Won 2-1 | +181576 |
| 5sealed | 73 | Koyama, Shohei (1519) | Won 2-1 | +171593 |
| 6sealed | 46 | Nagaoka, Takayuki (1700) | Lost 1-2 | -161577 |
| 7sealed | 72 | Abe, Ryou (1646) | Won 2-0 | +191596 |
| top | average opponent: 1627record: 4-2 | new rating: 1596 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 15 | Douyama, Tsuyoshi (1644) | Lost 1-2 | -161538 |
| 4sealed | 158 | Shimazu, Atsushi (1518) | Won 2-0 | +171555 |
| 5sealed | 66 | Kurono, Kiyotoshi (1519) | Lost 1-2 | -191536 |
| 6sealed | 143 | Maeda, Hideki (1549) | Lost 0-2 | -171519 |
| 7sealed | 138 | Higuchi, Kumi (1499) | Won 2-1 | +171536 |
| 8sealed | 104 | Mizukoshi, Hideyuki (1519) | Won 2-1 | +181554 |
| top | average opponent: 1541record: 3-3 | new rating: 1554 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 173 | Kageyama, Tarou (1670) | Won 2-0 | +211553 |
| 4block | 25 | Sugimoto, Takahiko (1502) | Won 2-1 | +171570 |
| 5block | 41 | Suzuki, Kei (1555) | Lost 0-2 | -181552 |
| 6block | 127 | Ueno, Motohiro (1568) | Won 2-1 | +181570 |
| 7block | 89 | Fujii, Takahiro (1553) | Won 2-0 | +181588 |
| 8block | 31 | Fujioka, Taishi (1589) | Lost 1-2 | -181570 |
| 9block | 61 | Ide, Katsuhiro (1553) | Won 2-1 | +171587 |
| 10block | 57 | Arita, Ryuichi (1622) | Won 2-1 | +191606 |
| 11block | 24 | Morofuji, Takuma (1574) | Lost 0-1 | -191587 |
| 12block | 38 | Nobushita, Jun (1684) | Lost 0-2 | -161571 |
| 13block | 44 | Matsuo, Koichiro (1610) | Lost 0-2 | -171554 |
| top | average opponent: 1589record: 6-5 | new rating: 1554 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 19 | Hattori, Keitarou (1537) | Won 2-0 | +181572 |
| 4sealed | 33 | Oiso, Masashi (1537) | Won 2-1 | +171589 |
| 5sealed | 11 | Harada, Hiroshi (1570) | Won 2-0 | +181607 |
| 6sealed | 9 | Ogami, Kenji (1559) | Won 1-0 | +171624 |
| 7sealed | 2 | Okada, Kou (1521) | Lost 1-2 | -201604 |
| 8draft | 7 | Morita, Masahiko (1549) | Lost 0-2 | -191585 |
| 9draft | 19 | Matsui, Hisataka (1577) | Lost 0-2 | -181567 |
| 10draft | 23 | Murata, Kouji (1600) | Lost 0-2 | -171550 |
| 11draft | 27 | Miyasaka, Takeshi (1557) | Lost 0-2 | -181532 |
| 12draft | 29 | Maruyama, Tomohiro (1669) | Won 2-1 | +201552 |
| 13draft | 26 | Kinoshita, Yuki (1442) | Lost 0-2 | -201532 |
| top | average opponent: 1556record: 5-6 | new rating: 1532 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 63 | Edayoshi, Minoru (1459) | Lost 0-2 | -201521 |
| 3extended | 210 | Fukushima, Ryo (1500) | Won 2-0 | +181539 |
| 4extended | 190 | Kusaba, Nobutaka (1518) | Won 2-0 | +171556 |
| 5extended | 73 | Yabe, Yosuke (1519) | Won 2-0 | +181574 |
| 6extended | 24 | Matsumoto, Takafumi (1537) | Lost 1-2 | -191555 |
| 7extended | 101 | Tani, Hiroaki (1536) | Lost 1-2 | -181537 |
| 8extended | 111 | Nakamura, Takahiro (1518) | Won 2-0 | +171554 |
| top | average opponent: 1512record: 4-3 | new rating: 1554 | ||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 28 | Hassaku, Jinpei (1500) | Lost 0-2 | -181482 |
| 4sealed | 60 | Yoshikawa, Yuusuke (1503) | Won 2-0 | +181500 |
| 5sealed | 28 | Hirabayashi, Ryuta (1518) | Lost 1-2 | -171483 |
| 6sealed | 62 | Seki, Yoshio (1499) | Won 2-1 | +181501 |
| 7sealed | 43 | Arai, Kenichiro (1535) | Won 2-1 | +191520 |
| 8rochester | 22 | Ito, Ken (1553) | Draw 1-1 | 01520 |
| 9rochester | 22 | Komiya, Tadayoshi (1606) | Won 2-1 | +201540 |
| 10rochester | 16 | Iino, Ryuji (1517) | Lost 1-2 | -191521 |
| 11rochester | 22 | Fukuchi, Takahiro (1517) | Lost 0-2 | -181503 |
| 12rochester | 26 | Hoshino, Fumio (1551) | Won 2-1 | +191522 |
| 13rochester | 22 | Kurosawa, Atsushi (1550) | Won 2-1 | +191541 |
| top | average opponent: 1532record: 6-4-1 | new rating: 1541 | ||