Arai, Riichi
Current rating: 1407
Record: 6-11
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 797 | Hirabayashi, Tomoaki (1500) | Won 2-0 | +191496 |
| 2standard | 246 | Yamada, Mitsuhiro (1534) | Lost 0-2 | -181478 |
| 3standard | 1127 | Konno, Tomoyuki (1465) | Lost 0-2 | -181460 |
| 4standard | 1160 | Hokumura, Tatsuro (1445) | Lost 0-2 | -181442 |
| 5standard | 1418 | Kawanami, Masao (1506) | Lost 0-2 | -171425 |
| 6standard | 1405 | Price, Debbie (1429) | Won 2-1 | +181443 |
| 7standard | 1190 | Nakanomori, Toshikatsu (1466) | Lost 0-2 | -171426 |
| 8standard | 1056 | Tsunoda, Satoshi (1413) | Lost 0-2 | -191407 |
| average opponent: 1470record: 2-6 | new rating: 1407 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1094 | Nakano, Minato (1430) | Won 2-0 | +171517 |
| 2sealed | 1086 | Kanari, Ken (1576) | Lost 0-2 | -171500 |
| 3sealed | 1136 | Imazawa, Junpei (1503) | Won 2-1 | +181518 |
| 4sealed | 1006 | Kuramochi, Nobuyuki (1485) | Lost 1-2 | -191499 |
| 5sealed | 1161 | Kato, Hiroki9832 (1480) | Lost 0-2 | -181481 |
| 6sealed | 1120 | Watanabe, Ryoji (1426) | Lost 0-2 | -191462 |
| 7sealed | 1086 | Matsushita, Ryuuki (1517) | Won 2-0 | +191481 |
| 8sealed | 1007 | Shimizu, Yusuke (1454) | Won 2-1 | +171498 |
| 9sealed | 947 | Sato, Daisuke (1324) | Lost 0-2 | -211477 |
| average opponent: 1466record: 4-5 | new rating: 1477 | |||