Iwasaki, Takuya
Current rating: 1463
Record: 13-15-1
| Grand Prix Yokohama 2019 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 604 | Komine, Naoyuki (1475) | Won 2-1 | +171539 |
| 2modern | 422 | Shibuta, Takeshi (1567) | Lost 1-2 | -181521 |
| 3modern | 562 | Satou, Marin (1623) | Lost 1-2 | -161505 |
| 4modern | 923 | Oota, Ryou (1448) | Lost 0-2 | -191486 |
| 5modern | 1015 | Phalitnonkiat, Pakawat (1476) | Lost 1-2 | -181468 |
| 6modern | 963 | Hirose, Yutaka (1271) | Won 2-1 | +141482 |
| 7modern | 752 | Awane, Hiroyuki (1430) | Lost 0-2 | -191463 |
| top | average opponent: 1470record: 2-5 | new rating: 1463 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 459 | See, Kenny (1419) | Won 2-1 | +171498 |
| 2legacy | 21 | Guo, Jia Sin (1387) | Won 2-0 | +161514 |
| 3legacy | 151 | Ochi, Takahiro (1500) | Won 2-0 | +171531 |
| 4legacy | 105 | Suzuki, Takahiro 9351 (1552) | Won 2-1 | +191550 |
| 5legacy | 24 | Aoyagi, Motohiko (1657) | Lost 0-2 | -161534 |
| 6legacy | 119 | Liu, Yuchen (1894) | Lost 0-2 | -121522 |
| 7legacy | 267 | Selzer, Kevin Lee (1472) | Won 2-0 | +171539 |
| 8legacy | 132 | Chen, Xuebin (1561) | Lost 0-2 | -171522 |
| top | average opponent: 1555record: 5-3 | new rating: 1522 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 67 | Abe, Masahide (1427) | Lost 1-2 | -201495 |
| 4legacy | 383 | Hara, Takahiro (1518) | Lost 0-2 | -171478 |
| 5legacy | 816 | Sugie, Yuta (1506) | Won 2-0 | +181496 |
| 6legacy | 543 | Tsujioka, Takeo (1456) | Draw 1-1 | 01496 |
| 7legacy | 551 | Hashimoto, Yuu (1769) | Lost 0-2 | -141482 |
| 8legacy | 697 | Kawano, Yoshinari (1451) | Won 2-1 | +181500 |
| 9legacy | 537 | Oshima, Takafumi (1446) | Lost 1-2 | -191481 |
| top | average opponent: 1510record: 2-4-1 | new rating: 1481 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 109 | Matsunaga, Yuji (1451) | Won 2-1 | +171517 |
| 2legacy | 63 | Yohii, Shota (1518) | Won 2-0 | +181535 |
| 3legacy | 11 | Sakamoto, Masaaki (1498) | Won 2-0 | +171552 |
| 4legacy | 61 | Kurashima, Kazuki (1626) | Lost 0-2 | -161536 |
| 5legacy | 145 | Tomita, Takeru (1534) | Won 2-1 | +181554 |
| 6legacy | 75 | Furusawa, Reona (1443) | Lost 0-2 | -201534 |
| 7legacy | 150 | Seno, Takuto (1486) | Lost 1-2 | -191515 |
| top | average opponent: 1508record: 4-3 | new rating: 1515 | ||