Itoh, Akira
Current rating: 1335
Record: 24-42-1
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1350 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 83 | Bang, Hyun-Jung (1581) | Lost 1-2 | -141336 |
| 4legacy | 303 | Katou, Takayoshi (1640) | Lost 1-2 | -131323 |
| 5legacy | 403 | Hosokawa, Takahiro (1327) | Won 2-0 | +181341 |
| 6legacy | 275 | Ando, Satoru (1415) | Won 2-0 | +201361 |
| 7legacy | 278 | Ebihara, Hirotaka (1685) | Lost 1-2 | -131348 |
| 8legacy | 256 | Otsuka, Tomohito (1606) | Lost 0-2 | -131335 |
| top | average opponent: 1542record: 2-4 | new rating: 1335 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1378 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 377 | Sun, Guolong (1417) | Lost 0-2 | -181360 |
| 4sealed | 461 | Yasuda, Masahiro (1560) | Lost 0-2 | -141346 |
| 5sealed | 602 | Saito, Yuji (1584) | Won 2-1 | +221368 |
| 6sealed | 520 | Kwanchaitunya, Sakditat (1602) | Lost 1-2 | -141354 |
| 7sealed | 600 | Yasuda, Takaaki (1505) | Won 2-1 | +211375 |
| 8sealed | 465 | Habert, Alexandre (1883) | Lost 1-2 | -91366 |
| 9sealed | 569 | Suezawa, Takumi (1480) | Lost 0-2 | -161350 |
| top | average opponent: 1576record: 2-5 | new rating: 1350 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 652 | Uzuki, Yushi (1536) | Lost 0-2 | -151355 |
| 4modern | 392 | Ueda, Motoi (1472) | Lost 0-2 | -161339 |
| 5modern | 854 | Kuwahara, Kensuke (1499) | Won 2-1 | +211360 |
| 6modern | 538 | Kobayashi, Atsumu (1647) | Won 2-1 | +231383 |
| 7modern | 423 | Kiwanont, Sukhum (1731) | Won 2-0 | +241407 |
| 8modern | 351 | Yamamura, Yuma (1641) | Lost 1-2 | -141393 |
| 9modern | 339 | Kaino, Naoki (1521) | Lost 0-2 | -151378 |
| top | average opponent: 1578record: 3-4 | new rating: 1378 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1384 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 295 | Hoshino, Masaaki (1718) | Won 2-1 | +231407 |
| 4standard | 188 | Nomura, Hidehiro (1809) | Lost 0-2 | -111396 |
| 5standard | 506 | Yamaguchi, Yuuichi (1599) | Lost 0-2 | -141382 |
| 6standard | 568 | Koziol, Eric (1489) | Lost 0-2 | -161366 |
| 7standard | 943 | Furugen, Takeji (1429) | Lost 0-2 | -171349 |
| 8standard | 884 | Kobayashi, Shigemitsu (1504) | Won 2-0 | +211370 |
| top | average opponent: 1591record: 2-4 | new rating: 1370 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1382 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 210 | Takahashi, Toshiyuki (1463) | Lost 0-2 | -161366 |
| 4legacy | 727 | Asakura, Takumi (1376) | Lost 0-2 | -181348 |
| 5legacy | 900 | Oguma, Hiroki (1498) | Won 2-1 | +211369 |
| 6legacy | 384 | Yaocheng, Mark (1710) | Won 2-0 | +241393 |
| 7legacy | 303 | Minamizuka, Yuusuke (1516) | Lost 1-2 | -161377 |
| 8legacy | 493 | Andou, Shuusuke (1571) | Lost 1-2 | -151362 |
| 9legacy | 619 | Kawakami, Kenji (1548) | Won 2-0 | +221384 |
| top | average opponent: 1526record: 3-4 | new rating: 1384 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 467 | Nomura, Tsuyoshi (1574) | Lost 1-2 | -141366 |
| 4standard | 742 | Nakajima, Masanori (1576) | Lost 0-2 | -151351 |
| 5standard | 1248 | Matsui, Satoshi (1500) | Lost 1-2 | -151336 |
| 6standard | 1085 | Ohshiba, Atsushi (1449) | Won 2-1 | +201356 |
| 7standard | 801 | Naide, Kazutaka (1639) | Won 2-1 | +231379 |
| 8standard | 835 | Miwa, Kazuki (1474) | Won 1-0 | +201399 |
| 9standard | 377 | Jinba, Daisuke (1465) | Lost 1-2 | -171382 |
| top | average opponent: 1525record: 3-4 | new rating: 1382 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 278 | Jinno, Kaname (1303) | Lost 0-2 | -211451 |
| 4standard | 688 | Shinhama, Takahiko (1530) | Lost 0-2 | -171434 |
| 5standard | 697 | Yamashiro, Yuki (1395) | Won 2-0 | +171451 |
| 6standard | 514 | Miura, Junpei (1482) | Lost 0-2 | -171434 |
| 7standard | 606 | Rentaro, Koyama (1501) | Lost 0-2 | -171417 |
| 8standard | 574 | Fujiwara, Kazuto (1330) | Lost 1-2 | -191398 |
| 9standard | 545 | Okura, Yuji (1425) | Lost 1-2 | -181380 |
| top | average opponent: 1424record: 1-6 | new rating: 1380 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 220 | Takao, Akinao (1731) | Won 2-0 | +241456 |
| 4sealed | 30 | Tsushima, Kiyoto (1555) | Won 2-0 | +191475 |
| 5sealed | 55 | Kitao, Soujyu (1597) | Lost 1-2 | -151460 |
| 6sealed | 69 | Karasawa, Ryuichi (1595) | Lost 1-2 | -161444 |
| 7sealed | 198 | Mutou, Kazuki (1633) | Won 2-1 | +211465 |
| 8sealed | 154 | Nagao, Kengo (1717) | Lost 1-2 | -131452 |
| 9sealed | 134 | Hayata, Akira (1555) | Won 2-1 | +201472 |
| top | average opponent: 1626record: 4-3 | new rating: 1472 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | Hirai, Masumi (1513) | Won 2-1 | +191484 |
| 2standard | 27 | Okano, Hiroki (1470) | Lost 1-2 | -181466 |
| 3standard | 169 | Kanomata, Wataru (1500) | Lost 0-2 | -171449 |
| 4standard | 306 | Tateoka, Yasuhiro (1480) | Won 2-1 | +181467 |
| 5standard | 288 | Satou, Noboru (1503) | Lost 0-2 | -171450 |
| 6standard | 256 | Sasaki, Yuusuke (Hyogo) (1472) | Lost 0-2 | -181432 |
| top | average opponent: 1489record: 2-4 | new rating: 1432 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Yanagihara, Hiroki (1511) | Lost 0-2 | -181482 |
| 2sealed | 142 | Nashiyama, Youji (1483) | Won 2-1 | +181500 |
| 3sealed | 83 | Chiba, Shun (1635) | Lost 1-2 | -151485 |
| 4sealed | 127 | Goto, Takashi (1416) | Won 1-0 | +161501 |
| 5sealed | 121 | Koen, Yusuke (1588) | Lost 0-2 | -161485 |
| 6sealed | 114 | Kato, Akinori (1475) | Draw 1-1 | 01485 |
| 7sealed | 46 | Yazawa, Yasuhiro (1410) | Lost 0-2 | -201465 |
| top | average opponent: 1503record: 2-4-1 | new rating: 1465 | ||