Deyama, Hirofumi
Current rating: 1369
Record: 43-57-2
- 2000
- 2001
- 2002
- 2003
- 2004
- 2005
- 2008
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1329 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 311 | Machida, Takatoshi (1431) | Lost 0-0 | -161313 |
| 2sealed | 238 | Tozuka, Kouta (1602) | Won 2-1 | +231336 |
| 3sealed | 168 | Ishizaki, Ryousuke (1495) | Won 2-1 | +211357 |
| 4sealed | 193 | Yamano, Tatsuto (1497) | Won 2-0 | +201377 |
| 5sealed | 63 | Kajitani, Takayuki (1536) | Lost 0-2 | -151362 |
| 6sealed | 171 | Yoshimura, Yuuki (1516) | Won 2-1 | +211383 |
| 7sealed | 31 | Shimada, Hiroya (1604) | Lost 1-2 | -141369 |
| top | average opponent: 1526record: 4-3 | new rating: 1369 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1374 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 68 | Izumi, Kimiaki (1573) | Lost 0-2 | -141360 |
| 2extended | 105 | Hosaka, Wataru (1386) | Lost 1-2 | -181342 |
| 3extended | 102 | Murata, Masaki (1462) | Won 2-0 | +201362 |
| 4extended | 98 | Oota, Yuusuke (1399) | Lost 0-2 | -171345 |
| 5extended | 112 | Hirose, Daichi (1448) | Lost 0-2 | -161329 |
| top | average opponent: 1453record: 1-4 | new rating: 1329 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 96 | Kobayashi, Masanori (1618) | Won 2-1 | +221392 |
| 2sealed | 73 | Ishii, Yoshimasa (1541) | Won 2-0 | +211413 |
| 3sealed | 50 | Itou, Shin (1627) | Won 2-1 | +221435 |
| 4sealed | 50 | Maki, Koichiro (1790) | Lost 1-2 | -121423 |
| 5sealed | 77 | Takesue, Chikara (1490) | Lost 1-2 | -171406 |
| 6sealed | 98 | Oonishi, Hiroaki (1523) | Lost 0-2 | -161390 |
| 7sealed | 101 | Hisaki, Yuu (1490) | Lost 1-2 | -161374 |
| top | average opponent: 1583record: 3-4 | new rating: 1374 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1366 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Kaneko, Tasuku (1500) | Won 2-1 | +211387 |
| 2sealed | 71 | Toochika, Takayuki (1465) | Lost 0-2 | -171370 |
| 3sealed | 178 | Niwa, Takashi (1518) | Won 2-1 | +211391 |
| 4sealed | 171 | Kamei, Kazuhiko (1578) | Won 2-0 | +211412 |
| 5sealed | 102 | Ikeda, Tsuyoshi (1760) | Lost 1-2 | -121400 |
| 6sealed | 111 | Hosaka, Atsushi (1579) | Lost 1-2 | -151385 |
| 7sealed | 135 | Yamada, Hiroki (1512) | Lost 1-2 | -151370 |
| top | average opponent: 1559record: 3-4 | new rating: 1370 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1375 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 94 | Horie, Yuuki (1500) | Won 2-1 | +201395 |
| 2standard | 194 | Kawabata, Yukito (1538) | Lost 0-2 | -151380 |
| 3standard | 181 | Kawamichi, Masaru (1500) | Lost 1-2 | -161364 |
| 4standard | 405 | Fujie, Kouji (1402) | Won 2-0 | +181382 |
| 5standard | 338 | Nakamura, Takahiro (1483) | Lost 0-2 | -161366 |
| top | average opponent: 1485record: 2-3 | new rating: 1366 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 72 | Saitou, Kazuya (1382) | Won 2-1 | +171416 |
| 2extended | 41 | Akahori, Hiroaki (1532) | Won 2-1 | +201436 |
| 3extended | 23 | Lee, Sang-Ryeol (1570) | Lost 1-2 | -151421 |
| 4extended | 102 | Tanaka, Fuminori (1517) | Lost 0-2 | -161405 |
| 5extended | 112 | Osawa, Takuya (1661) | Lost 0-2 | -141391 |
| 6extended | 140 | Okada, Takashi (1469) | Lost 0-2 | -161375 |
| top | average opponent: 1522record: 2-4 | new rating: 1375 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1388 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Itou, Takanori (1500) | Lost 0-2 | -161372 |
| 2sealed | 201 | Kato, Ryuji (1500) | Lost 1-2 | -161356 |
| 3sealed | 261 | Yamaguchi, Naohiro (1462) | Lost 1-2 | -161340 |
| 4sealed | 280 | Matsuura, Masaru (1379) | Won 2-0 | +191359 |
| 5sealed | 220 | Harada, Hiroshi (1459) | Won 2-1 | +201379 |
| 6sealed | 176 | Katsumata, Chihiro (1482) | Won 2-1 | +201399 |
| top | average opponent: 1464record: 3-3 | new rating: 1399 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 155 | Maeno, Kazuhiro (1522) | Lost 1-2 | -171439 |
| 2block | 298 | Ishikawa, Ryota (1447) | Won 2-1 | +181457 |
| 3block | 231 | Bandou, Junichirou (1534) | Lost 1-2 | -171440 |
| 4block | 346 | Masumoto, Takeshi (1483) | Lost 1-2 | -171423 |
| 5block | 343 | Takeuchi, Ryota (1435) | Lost 1-2 | -181405 |
| 6block | 322 | Sugimura, Yoshiyasu (1446) | Lost 0-2 | -171388 |
| top | average opponent: 1478record: 1-5 | new rating: 1388 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Kohata, Kengo (1500) | Won 2-1 | +191510 |
| 2sealed | 156 | Furujou, Takashi (1448) | Lost 1-2 | -201490 |
| 3sealed | 123 | Tanaka, Kazunori (1470) | Lost 1-2 | -181472 |
| 4sealed | 274 | Yamashita, Tadahisa (1482) | Lost 0-2 | -181454 |
| 5sealed | 237 | Nakamura, Hiroya (1464) | Won 2-1 | +181472 |
| 6sealed | 187 | Sakai, Naoko (1530) | Lost 0-2 | -161456 |
| top | average opponent: 1482record: 2-4 | new rating: 1456 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 115 | Tomihara, Shinsuke (1513) | Lost 0-2 | -191551 |
| 2extended | 131 | Nakayama, Masahiko (1485) | Lost 1-2 | -201531 |
| 3extended | 163 | Saitou, Kouji (1480) | Won 2-1 | +171548 |
| 4extended | 163 | Maemoto, Shota (1485) | Lost 1-2 | -191529 |
| 5extended | 172 | Aoki, Masanori (1465) | Lost 0-2 | -191510 |
| 6extended | 156 | Nonaka, Masafumi (1473) | Lost 0-2 | -191491 |
| top | average opponent: 1483record: 1-5 | new rating: 1491 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Akashi, Toshihiko (1498) | Lost 0-2 | -181470 |
| 2sealed | 308 | Tajiri, Satoshi (1545) | Won 2-1 | +191489 |
| 3sealed | 129 | Saito, Tomoya (1499) | Won 2-1 | +181507 |
| 4sealed | 74 | Saito, Takanobu (1517) | Won 2-0 | +181525 |
| 5sealed | 73 | Koen, Yusuke (1428) | Won 2-0 | +171542 |
| 6sealed | 30 | Fujita, Kenichi (1830) | Won 2-1 | +231565 |
| 7sealed | 33 | Suzuki, Masatsuna (1618) | Won 2-0 | +191584 |
| 8sealed | 55 | Nakamura, Shuhei (1798) | Lost 0-2 | -141570 |
| top | average opponent: 1592record: 6-2 | new rating: 1570 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Heima, Yasutaka (1499) | Won 2-1 | +171525 |
| 2sealed | 61 | Kurotsuchi, Keiichiro (1500) | Lost 0-2 | -181507 |
| 3sealed | 101 | Kusakabe, Tadao (1464) | Lost 1-2 | -191488 |
| 4sealed | 157 | Fujimoto, Kazumasa (1483) | Won 2-0 | +181506 |
| 5sealed | 139 | Kawakami, Seiji (1500) | Won 2-0 | +181524 |
| 6sealed | 108 | Okita, Kenichiro (1503) | Lost 1-2 | -181506 |
| 7sealed | 114 | Mitsutake, Atsushi (1499) | Lost 0-2 | -181488 |
| top | average opponent: 1493record: 3-4 | new rating: 1488 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Taniguchi, Tomoya (1541) | Draw 1-1 | +11489 |
| 2sealed | 201 | Tsukimoto, Kazuhiro (1496) | Won 2-0 | +181507 |
| 3sealed | 111 | Iioka, Kenta (1501) | Lost 0-2 | -181489 |
| 4sealed | 199 | Sasaki, Minoru (1500) | Lost 0-2 | -181471 |
| 5sealed | 233 | Matsuda, Hiromi (1464) | Draw 1-1 | 01471 |
| 6sealed | 215 | Ogawa, Masahiro (1480) | Won 2-1 | +181489 |
| 7sealed | 157 | Suwa, Masashi (1498) | Won 2-0 | +191508 |
| top | average opponent: 1497record: 3-2-2 | new rating: 1508 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 151 | Ishizuka, Hiroichi (1500) | Won 2-0 | +181486 |
| 2block | 29 | Maeda, Ryuichi (1518) | Won 2-0 | +191505 |
| 3block | 58 | Yasui, Koichi (1536) | Won 2-0 | +181523 |
| 4block | 133 | Nakamura, Kazuhito (1554) | Lost 1-2 | -171506 |
| 5block | 251 | Yamada, Akira (1501) | Won 2-1 | +181524 |
| 6block | 75 | Yamaguchi, Hiroshi (1555) | Lost 1-2 | -181506 |
| 7block | 189 | Kurokawa, Naoya (1503) | Lost 1-2 | -181488 |
| top | average opponent: 1524record: 4-3 | new rating: 1488 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Sakaguchi, Takuya (1500) | Lost 1-2 | -171447 |
| 2sealed | 116 | Goto, Muneharu (1516) | Won 2-1 | +191466 |
| 3sealed | 161 | Furujou, Takashi (1500) | Lost 0-2 | -171449 |
| 4sealed | 165 | Kiori, Hiroshi (1483) | Lost 0-2 | -181431 |
| 5sealed | 165 | Kishishita, Kunihiko (1417) | Won 2-1 | +181449 |
| 6sealed | 138 | Ogura, Daizo (1482) | Won 2-0 | +191468 |
| top | average opponent: 1483record: 3-3 | new rating: 1468 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 236 | Azuma, Wakato (1500) | Won 2-0 | +181518 |
| 2extended | 161 | Kawasaki, Keita (1500) | Lost 1-2 | -181500 |
| 3extended | 180 | Nagao, Hakaru (1484) | Won 2-0 | +171517 |
| 4extended | 158 | Mayuzumi, Shinichi (1517) | Lost 0-2 | -181499 |
| 5extended | 163 | Ootsuka, Tomomi (1500) | Lost 1-2 | -181481 |
| 6extended | 199 | Tanaka, Tomonori (1515) | Lost 0-2 | -171464 |
| top | average opponent: 1503record: 2-4 | new rating: 1464 | ||