Izumida, Takuma
Current rating: 1561
Record: 29-29-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 118 | Katou, Takayoshi (1583) | Won 2-1 | +181566 |
| 2legacy | 218 | Asanuma, Hodaka (1584) | Lost 1-2 | -171549 |
| 3legacy | 995 | Kasuya, Daisuke (1505) | Won 2-0 | +171566 |
| 4legacy | 336 | Knudson, Andrew (1522) | Won 2-1 | +171583 |
| 5legacy | 183 | Fukutani, Yuto (1542) | Lost 1-2 | -191564 |
| 6legacy | 391 | Zhu, David (1565) | Lost 1-2 | -181546 |
| 7legacy | 822 | Ozaki, Hitoshi (1505) | Won 2-0 | +181564 |
| 8legacy | 512 | Sakaguchi, Masanobu (1460) | Won 2-1 | +161580 |
| 9legacy | 486 | Touma, Norihiro (1544) | Lost 0-2 | -191561 |
| top | average opponent: 1534record: 5-4 | new rating: 1561 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 212 | Fujii, Tomoyuki (1517) | Lost 0-2 | -191551 |
| 3standard | 648 | Shimazu, Yoshiki (1526) | Lost 0-2 | -181533 |
| 4standard | 966 | Takino, Atusi (1518) | Won 2-1 | +171550 |
| 5standard | 660 | Nishida, Makoto (1441) | Won 2-0 | +161566 |
| 6standard | 682 | Shindou, Ibuki (1526) | Lost 1-2 | -181548 |
| top | average opponent: 1506record: 2-3 | new rating: 1548 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2180 | Cho, Kou (1758) | Won 2-0 | +221550 |
| 3sealed | 2123 | Hiromasa, Ryuusuke (1601) | Lost 1-2 | -171533 |
| 4sealed | 2298 | Lim, Shaun (1710) | Won 2-1 | +211554 |
| 5sealed | 2155 | Nakano, Satoshi (1498) | Won 2-1 | +171571 |
| 6sealed | 2111 | Kikutani, Kou (1658) | Won 2-1 | +191590 |
| 7sealed | 2024 | Hirabayashi, Yuki1029 (1591) | Lost 1-2 | -181572 |
| 8sealed | 2093 | Sekizawa, Tomohiko (1459) | Won 2-0 | +161588 |
| 9sealed | 2068 | Watanabe, Ryouta2795 (1573) | Lost 1-2 | -181570 |
| top | average opponent: 1606record: 5-3 | new rating: 1570 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1387 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 41 | Isoda, Yusuke (1351) | Won 2-0 | +171404 |
| 4legacy | 73 | Usiro, Naoki (1550) | Won 2-1 | +211425 |
| 5legacy | 19 | Shinohara, Kazuaki (1715) | Won 2-0 | +231448 |
| 6legacy | 8 | Tsuchiya, Hideaki (1815) | Won 2-1 | +241472 |
| 7legacy | 9 | Katou, Takeru (1580) | Lost 0-2 | -161456 |
| 8legacy | 33 | Nagashima, Makoto (1781) | Lost 0-2 | -121444 |
| 9legacy | 52 | Ichihara, Daichi (1574) | Won 2-1 | +201464 |
| 10legacy | 96 | Ikeda, Takuro (1588) | Lost 0-2 | -151449 |
| 11legacy | 110 | Tanimoto, Tatsuro (1369) | Won 2-0 | +161465 |
| 12legacy | 67 | Tsujimoto, Hideki (1741) | Won 2-1 | +231488 |
| 13legacy | 53 | Tomizawa, Shin (1554) | Won 2-0 | +191507 |
| 14legacy | 20 | Kamioka, Masayuki (1631) | Won 2-1 | +211528 |
| 15legacy | 28 | Tago, Daisuke (1614) | ID | 01528 |
| top | average opponent: 1605record: 9-3-1 | new rating: 1528 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 845 | Nagata, Kazuya (1451) | Won 2-1 | +181447 |
| 2sealed | 769 | Watanabe, Nobuyuki (1517) | Won 2-0 | +201467 |
| 3sealed | 740 | Endo, Yasushi (1503) | Lost 1-2 | -181449 |
| 4sealed | 872 | Kawase, Takeshi (1490) | Lost 1-2 | -171432 |
| 5sealed | 899 | Sato, Tomoharu (1445) | Lost 1-2 | -181414 |
| 6sealed | 949 | Miyamoto, Akihiro (1478) | Won 2-0 | +191433 |
| 7sealed | 864 | Onishi, Kouhei (1481) | Lost 1-2 | -171416 |
| 8sealed | 824 | Bandou, Junichirou (1721) | Lost 1-2 | -121404 |
| 9sealed | 795 | Miyata, Sho (1465) | Lost 1-2 | -171387 |
| top | average opponent: 1506record: 3-6 | new rating: 1387 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 252 | Shimazu, Youhei (1500) | Won 2-0 | +201417 |
| 2modern | 68 | Imai, Yuuki (1446) | Lost 1-2 | -181399 |
| 3modern | 232 | Kazumasa, Akihiro (1498) | Won 2-0 | +201419 |
| 4modern | 302 | Kurata, Shintaro (1552) | Lost 1-2 | -161403 |
| 5modern | 360 | Iguchi, Tomohiro (1486) | Won 2-1 | +201423 |
| 6modern | 215 | Satou, Akihiko (1509) | Lost 0-2 | -171406 |
| 7modern | 353 | Sato, Tatsuo (1472) | Won 2-0 | +201426 |
| 8modern | 238 | Iwamura, Keisuke (1519) | Won 2-1 | +191445 |
| 9modern | 164 | Takahira, Takashi (1540) | Lost 0-2 | -161429 |
| top | average opponent: 1502record: 5-4 | new rating: 1429 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 228 | Ohashi, Gaku (1507) | Draw 1-1 | +11434 |
| 2modern | 417 | Ueda, Yushi (1475) | Lost 0-2 | -171417 |
| 3modern | 591 | Moriyama, Masahiro (1312) | Lost 0-2 | -201397 |
| top | average opponent: 1431record: 0-2-1 | new rating: 1397 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 202 | Ouchi, Akimasa (1522) | Lost 0-2 | -181482 |
| 2extended | 456 | Taru, Genki (1722) | Lost 0-2 | -131469 |
| 3extended | 444 | Siritanaratkul, Bhavin (1464) | Lost 0-2 | -181451 |
| 4extended | 488 | Shimoyamada, Takeo (1444) | Lost 0-2 | -181433 |
| top | average opponent: 1538record: 0-4 | new rating: 1433 | ||