CHINEN, KOUSUKE
Current rating: 1563
Record: 7-5
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 45 | Kurata, Shintaro (1801) | Won 2-0 | +231523 |
| 2pioneer | 21 | Matsuda, Hideyuki (1451) | Won 2-0 | +171540 |
| 3pioneer | 28 | sano, tsukasa (1539) | Won 2-1 | +181558 |
| 4pioneer | 11 | Masukado, Kenta (2083) | Lost 1-2 | -91549 |
| 5pioneer | 27 | Atsuji, Makoto (1585) | Lost 1-2 | -181531 |
| 6pioneer | 58 | Ichikawa, Hideyuki (1912) | Won 2-0 | +251556 |
| 7pioneer | 35 | Ishikawa, Hikaru (1580) | Lost 0-2 | -181538 |
| 8pioneer | 30 | Hieda, Yosuke (1409) | Won 2-0 | +161554 |
| 9pioneer | 29 | Woojin, Jee (1558) | Won 2-1 | +181572 |
| 10pioneer | 19 | Ito, Keita (1575) | Won 2-1 | +181590 |
| 11pioneer | 13 | Harane, Kenta (1994) | Lost 1-2 | -111579 |
| 12pioneer | 18 | Sawada, Tetsushi (1664) | Lost 1-2 | -161563 |
| average opponent: 1679record: 7-5 | new rating: 1563 | |||