Ichikawa, Yohei
Current rating: 1387
Record: 18-25
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1391 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 214 | Kozawa, Tatuya (1500) | Won 2-0 | +201411 |
| 2standard | 65 | Okada, Mazakazu (1500) | Lost 0-2 | -161395 |
| 3standard | 262 | Hanawa, Atsushi (1503) | Won 2-1 | +201415 |
| 4standard | 274 | Maseguchi, Masashi (1518) | Won 2-0 | +191434 |
| 5standard | 112 | Endou, Yuusuke (1658) | Lost 1-2 | -131421 |
| 6standard | 199 | Yamada, Uchu (1448) | Lost 0-2 | -181403 |
| 7standard | 227 | Fujibayashi, Haruki (1499) | Lost 0-2 | -161387 |
| top | average opponent: 1518record: 3-4 | new rating: 1387 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 106 | Umemiya, Tatsuya (1484) | Lost 0-2 | -171420 |
| 2extended | 109 | Toshimi, Hirokazu (1486) | Lost 1-2 | -171403 |
| 3extended | 173 | Takagaki, Naomasa (1461) | Lost 0-2 | -171386 |
| 4extended | 188 | Kawasaki, Daisuke (1407) | Lost 0-2 | -171369 |
| 5extended | 174 | Shiraga, Motoaki (1429) | Won 2-1 | +191388 |
| 6extended | 154 | Miura, Tadayuki (1429) | Won 2-1 | +181406 |
| 7extended | 112 | Okada, Hiroaki (1554) | Lost 1-2 | -151391 |
| top | average opponent: 1464record: 2-5 | new rating: 1391 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | Yamazaki, Hiroki (1572) | Lost 1-2 | -171487 |
| 2sealed | 182 | Nishikawa, Takahito (1583) | Lost 1-2 | -161471 |
| 3sealed | 260 | Tomiyasu, Yosuke (1464) | Won 2-1 | +181489 |
| 4sealed | 240 | Iwai, Tsuyoshi (1664) | Lost 1-2 | -151474 |
| 5sealed | 224 | Kishigami, Osamu (1463) | Lost 0-2 | -181456 |
| 6sealed | 213 | Noguti, Tokio (1427) | Lost 0-2 | -191437 |
| top | average opponent: 1529record: 1-5 | new rating: 1437 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 63 | Akita, Naoto (1521) | Lost 0-2 | -181534 |
| 2extended | 118 | Yosimori, Katumi (1482) | Lost 1-2 | -191515 |
| 3extended | 159 | Senoo, Kazumasa (1464) | Lost 0-2 | -191496 |
| 4extended | 183 | Yoshida, Mitsutaka (1274) | Lost 0-2 | -221474 |
| 5extended | 179 | Okada, Yu (1394) | Won 2-0 | +171491 |
| 6extended | 152 | Kayaki, Kazuya (1447) | Lost 0-2 | -191472 |
| 7extended | 131 | Tomita, Kayoko (1341) | Won 2-0 | +151487 |
| 8extended | 103 | Satou, Tsubasa (1396) | Won 2-1 | +171504 |
| top | average opponent: 1415record: 3-5 | new rating: 1504 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 47 | Yamada, Tsutomu (1572) | Won 2-1 | +181595 |
| 2block | 109 | Sawade, Makoto (1517) | Won 2-0 | +171612 |
| 3block | 27 | Saito, Tomoyuki (1518) | Lost 0-2 | -201592 |
| 4block | 108 | Wakuri, Akira (1586) | Won 2-0 | +181610 |
| 5block | 38 | Kimura, Kazuo (1536) | Lost 1-2 | -191591 |
| 6block | 115 | Nakano, Fumiki (1519) | Lost 1-2 | -201571 |
| 7block | 119 | Matsumura, Takehiko (1530) | Lost 0-2 | -191552 |
| top | average opponent: 1540record: 3-4 | new rating: 1552 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Shimizu, Yasuharu (1500) | Won 2-0 | +181518 |
| 2sealed | 92 | Tajiri, Satoshi (1580) | Lost 1-2 | -171501 |
| 3sealed | 213 | Ikegami, Yoshimichi (1500) | Won 2-1 | +181519 |
| 4sealed | 137 | Okugawa, Shoji (1557) | Won 2-1 | +191538 |
| 5sealed | 50 | Shinohara, Tetsuya (1537) | Won 2-0 | +181556 |
| 6sealed | 56 | Okano, Hiroki (1555) | Won 2-0 | +181574 |
| 7sealed | 26 | Higaki, Takao (1762) | Won 2-0 | +211595 |
| 8sealed | 17 | Kammerzelt, Shawn (1595) | Lost 0-2 | -181577 |
| top | average opponent: 1573record: 6-2 | new rating: 1577 | ||