Atsumi, Naoya
Current rating: 1414
Record: 10-16
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 150 | Kio, Yuusuke (1498) | Lost 1-2 | -161411 |
| 2standard | 631 | Hatakeyama, Atsushi (1502) | Lost 1-2 | -171394 |
| 3standard | 1258 | Okunaga, Yuuki (1377) | Won 2-0 | +181412 |
| 4standard | 1037 | Katakai, Masaki (1479) | Won 2-1 | +191431 |
| 5standard | 914 | Satou, Kentarou (1442) | Won 2-0 | +181449 |
| 6standard | 475 | Kobayashi, Yuuki 0719 (1453) | Lost 1-2 | -181431 |
| 7standard | 821 | Umehara, Noriyoshi (1463) | Lost 1-2 | -171414 |
| top | average opponent: 1459record: 3-4 | new rating: 1414 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 978 | Okamoto, Yuuya (1541) | Lost 1-2 | -161411 |
| 2standard | 1209 | Keita, Kamagasako (1482) | Won 2-0 | +201431 |
| 3standard | 931 | Kojima, Naoyuki (1495) | Won 2-1 | +191450 |
| 4standard | 928 | Hashikami, Taisuke (1515) | Won 2-0 | +191469 |
| 5standard | 574 | Tani, Chiharu (1674) | Won 2-0 | +221491 |
| 6standard | 353 | Kagami, Chisei (1588) | Lost 1-2 | -161475 |
| 7standard | 623 | Koh, Kai Che (1636) | Lost 0-2 | -161459 |
| 8standard | 872 | Oonuma, Hiroki (1520) | Lost 1-2 | -161443 |
| 9standard | 769 | Tsukahara, Kazuto (1593) | Lost 0-2 | -161427 |
| top | average opponent: 1561record: 4-5 | new rating: 1427 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 332 | Okazaki, Hideki (1374) | Lost 1-2 | -201464 |
| 2modern | 314 | Toma, Hiroto (1456) | Won 2-0 | +181482 |
| 3modern | 350 | Izumi, Taiki (1509) | Lost 0-2 | -181464 |
| 4modern | 471 | Arai, Ikki (1423) | Lost 0-2 | -191445 |
| 5modern | 457 | Kamada, Chihiro (1444) | Lost 1-2 | -181427 |
| top | average opponent: 1441record: 1-4 | new rating: 1427 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 148 | Nishikawa, Yukihide (1500) | Lost 0-2 | -181482 |
| 2standard | 249 | Ikeda, Toshiki (1482) | Lost 0-2 | -181464 |
| 3standard | 390 | Ikezawa, Hirokazu (1464) | Won 2-0 | +181482 |
| 4standard | 296 | Ando, Masanori (1481) | Won 2-1 | +181500 |
| 5standard | 245 | Nagasaki, Ryou (1596) | Lost 0-2 | -161484 |
| top | average opponent: 1505record: 2-3 | new rating: 1484 | ||