Saito, Atsushi
Current rating: 1364
Record: 26-41-3
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1299 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 358 | Kobayashi, Youhei (1500) | Lost 0-2 | -141285 |
| 2legacy | 532 | Zhu, Junfei (1486) | Won 2-0 | +211306 |
| 3legacy | 350 | Yanagisawa, Tadahiro (1464) | Won 2-0 | +211327 |
| 4legacy | 270 | Kawasaki, Takeshi (1514) | Won 2-1 | +221349 |
| 5legacy | 201 | Furukawa, Syun6268 (1507) | Won 2-0 | +201369 |
| 6legacy | 108 | Shoji, Keishi (1580) | Lost 0-2 | -141355 |
| 7legacy | 142 | Hirasawa, Daisuke (1603) | Won 2-1 | +231378 |
| 8legacy | 138 | Brown, Joel (1509) | Won 2-1 | +201398 |
| 9legacy | 123 | Ishida, Tatsuya (1654) | Won 2-1 | +231421 |
| 10legacy | 63 | Marumo, Tsubasa (1560) | Lost 1-2 | -161405 |
| 11legacy | 95 | Hiyama, Kenji (1608) | Lost 0-2 | -141391 |
| 12legacy | 96 | He, Yang (1561) | Lost 0-2 | -151376 |
| 13legacy | 89 | Yao, Shunsuke (1710) | Lost 0-2 | -121364 |
| top | average opponent: 1558record: 7-6 | new rating: 1364 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1336 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 925 | Tsutsui, Yuki (1557) | Lost 1-2 | -141322 |
| 2standard | 950 | Yamagata, Kouhei (1481) | Lost 0-2 | -151307 |
| 3standard | 1500 | Kagoi, Yuki (1257) | Won 2-0 | +171324 |
| 4standard | 1124 | Oumi, Masatoshi (1477) | Lost 1-2 | -151309 |
| 5standard | 1359 | Fujiki, Ryo (1462) | Won 2-0 | +211330 |
| 6standard | 1109 | Usukura, Takumi (1607) | Lost 0-2 | -131317 |
| 7standard | 1172 | Tan, Darren (1343) | Lost 0-2 | -181299 |
| top | average opponent: 1455record: 2-5 | new rating: 1299 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1347 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2126 | Tanaka, Daiki (1395) | Won 2-0 | +191366 |
| 2sealed | 2048 | Takahari, Hiroyuki (1518) | Lost 0-2 | -161350 |
| 3sealed | 2391 | Asano, Jun'ya (1565) | Lost 0-2 | -141336 |
| top | average opponent: 1492record: 1-2 | new rating: 1336 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1372 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 769 | Kubo, Yuuta (1554) | Lost 1-2 | -151357 |
| 2legacy | 804 | Yoshimura, Genki (1553) | Lost 0-2 | -141343 |
| 3legacy | 940 | Hijikata, Toshiyuki (1461) | Won 2-1 | +201363 |
| 4legacy | 905 | Suzuki, Nobuya (1468) | Lost 1-2 | -161347 |
| top | average opponent: 1509record: 1-3 | new rating: 1347 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 975 | Ito, Yuta (1562) | Lost 1-2 | -151384 |
| 2modern | 1087 | Tanaka, Sou (1454) | Won 2-0 | +191403 |
| 3modern | 1086 | Hosaka, Yoshiteru (1566) | Lost 1-2 | -151388 |
| 4modern | 1087 | Nagato, Yusuke (1447) | Lost 1-2 | -171371 |
| 5modern | 1159 | Tanioka, Shin'ichi (1450) | Won 2-0 | +201391 |
| 6modern | 1089 | Sonoda, Takayuki (1352) | Lost 0-2 | -191372 |
| top | average opponent: 1472record: 2-4 | new rating: 1372 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1420 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Iwaide, Yoshitaka (1444) | Won 2-0 | +181438 |
| 2sealed | 153 | Tanabe, Kazuya (1186) | Lost 1-2 | -221416 |
| 3sealed | 345 | Tezuka, Takatomo (1483) | Lost 0-2 | -171399 |
| top | average opponent: 1371record: 1-2 | new rating: 1399 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 458 | Osanai, Takashi (1469) | Won 2-1 | +191448 |
| 2modern | 246 | Imai, Kenta (1518) | Won 2-1 | +191467 |
| 3modern | 26 | Kamada, Shingo (1538) | Lost 0-2 | -171450 |
| 4modern | 357 | Suzuki, Keisuke (1551) | Lost 1-2 | -161434 |
| 5modern | 409 | Wada, Hiroya (1628) | Lost 0-2 | -141420 |
| top | average opponent: 1541record: 2-3 | new rating: 1420 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Kanno, Ryouji (1481) | Won 2-0 | +201441 |
| 2standard | 91 | Sakuma, Hiroshi (1565) | Lost 1-2 | -161425 |
| 3standard | 177 | Mizutani, Yuki (1453) | Won 2-1 | +181443 |
| 4standard | 166 | Ookubo, Shun (1520) | Lost 0-2 | -161427 |
| 5standard | 216 | Yamazaki, Satoshi (1473) | Won 2-0 | +191446 |
| 6standard | 163 | Sugiyama, Kenji (1529) | Lost 0-2 | -171429 |
| top | average opponent: 1504record: 3-3 | new rating: 1429 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 192 | Cardoso, Ricardo (1580) | Won 2-0 | +211427 |
| 2extended | 214 | Okada, Wataru (1741) | Lost 0-2 | -131414 |
| 3extended | 362 | Hirosawa, Yuuichirou (1500) | Won 2-0 | +201434 |
| 4extended | 187 | Murakami, Kazuya3837 (1518) | Lost 0-2 | -161418 |
| 5extended | 264 | Arahori, Kazuaki (1563) | Won 2-0 | +201438 |
| 6extended | 241 | Kawano, Yuuya (1511) | Lost 1-2 | -171421 |
| top | average opponent: 1569record: 3-3 | new rating: 1421 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 304 | Yamada, Takashi (1477) | Won 2-1 | +201419 |
| 2standard | 215 | Abe, Eriko (1446) | Draw 1-1 | 01419 |
| 3standard | 134 | Taura, Ryuji (1451) | Draw 1-1 | +11420 |
| 4standard | 248 | Itou, Satoshi (1465) | Won 2-0 | +191439 |
| 5standard | 168 | Yamada, Chiaki (1474) | Lost 1-2 | -181421 |
| 6standard | 228 | Yamano, Tatsuto (1499) | Lost 0-2 | -161405 |
| 7standard | 225 | Mito, Mitsukuni (1465) | Draw 1-1 | +11406 |
| top | average opponent: 1468record: 2-2-3 | new rating: 1406 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Namura, Akira (1500) | Won 2-1 | +201432 |
| 2sealed | 170 | Nishino, Kenta (1585) | Lost 1-2 | -151417 |
| 3sealed | 172 | Onoda, Hikaru (1454) | Lost 0-2 | -181399 |
| top | average opponent: 1513record: 1-2 | new rating: 1399 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Furuya, Masashi (1563) | Lost 1-2 | -161448 |
| 2sealed | 191 | Ogiso, Takahiro (1448) | Lost 0-2 | -181430 |
| 3sealed | 241 | Okuyama, Tadaaki (1463) | Lost 1-2 | -181412 |
| top | average opponent: 1492record: 0-3 | new rating: 1412 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 32 | Ito, Yoshimasa (1498) | Lost 0-2 | -181482 |
| 2block | 157 | Yamamoto, Takao (1482) | Won 2-1 | +181500 |
| 3block | 155 | Maeda, Yasuyuki (1487) | Lost 0-2 | -181482 |
| 4block | 181 | Inui, Yuta (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1487record: 1-3 | new rating: 1464 | ||